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 check_opsi_res {
1472     my $res= shift;
1473     if($res) {
1474         if ($res->is_error) {
1475             &main::daemon_log("ERROR: opsi configed communication failed: ".$res->error_message, 1);
1476         } else {
1477             return 1;
1478         }
1479     } else {
1480         &main::daemon_log("ERROR: opsi configed communication failed: ".$opsi_client->status_line, 1);
1481     }
1482     return 0;
1483 }
1484
1485
1486 sub watch_for_done_jobs {
1487     #CHECK: $heap for what?
1488     my ($kernel,$heap) = @_[KERNEL, HEAP];
1489
1490     my $sql_statement = "SELECT * FROM ".$job_queue_tn." WHERE ((status='done') AND (modified='0'))";
1491         my $res = $job_db->select_dbentry( $sql_statement );
1492
1493     while( my ($id, $hit) = each %{$res} ) {
1494         my $jobdb_id = $hit->{id};
1495         my $sql_statement = "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1496         my $res = $job_db->del_dbentry($sql_statement);
1497     }
1498
1499     $kernel->delay_set('watch_for_done_jobs',$job_queue_loop_delay);
1500 }
1501
1502
1503 sub watch_for_opsi_jobs {
1504     my ($kernel) = $_[KERNEL];
1505
1506     my $sql_statement = "SELECT * FROM ".$job_queue_tn." WHERE ((headertag='opsi_install_client') AND (status='processing'))";
1507         my $res = $job_db->select_dbentry( $sql_statement );
1508
1509     while (my ($id, $hit) = each %$res ) {
1510
1511         # Ask OPSI for an update of the running jobs
1512         my $hostId = $hit->{'plainname'};
1513 print STDERR "\n\n$hostId\n";
1514         my $result= {};
1515
1516         # For hosts, only return the products that are or get installed
1517         my $callobj;
1518         $callobj = {
1519             method  => 'getProductStates_hash',
1520             params  => [ $hostId ],
1521             id  => 1,
1522         };
1523
1524         my $hres = $opsi_client->call($opsi_url, $callobj);
1525         if (&check_opsi_res($hres)){
1526             my $htmp= $hres->result->{$hostId};
1527
1528         # check state != not_installed or action == setup -> load and add
1529             my $products= 0;
1530             my $installed= 0;
1531             my $error= 0;
1532             foreach my $product (@{$htmp}){
1533
1534                 if ($product->{'installationStatus'} ne "not_installed" or
1535                         $product->{'actionRequest'} eq "setup"){
1536
1537         # Increase number of products for this host
1538                     $products++;
1539
1540                     if ($product->{'installationStatus'} eq "failed"){
1541                         $result->{$product->{'productId'}}= "error";
1542                         $error++;
1543                     }
1544                     if ($product->{'installationStatus'} eq "installed"){
1545                         $result->{$product->{'productId'}}= "installed";
1546                         $installed++;
1547                     }
1548                     if ($product->{'installationStatus'} eq "installing"){
1549                         $result->{$product->{'productId'}}= "installing";
1550                     }
1551                 }
1552             }
1553
1554         # Estimate "rough" progress
1555             $result->{'progress'}= int($installed * 100 / $products);
1556         }
1557
1558         #return $result;
1559 print STDERR Dumper($result);
1560
1561         # Set updates to job queue
1562
1563     }
1564
1565     $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay);
1566 }
1567
1568
1569 # if a job got an update or was modified anyway, send to all other si-server an update message
1570 # of this jobs
1571 sub watch_for_modified_jobs {
1572     my ($kernel,$heap) = @_[KERNEL, HEAP];
1573
1574     my $sql_statement = "SELECT * FROM $job_queue_tn WHERE ((siserver='localhost') AND (modified='1'))";
1575     my $res = $job_db->select_dbentry( $sql_statement );
1576
1577     # if db contains no jobs which should be update, do nothing
1578     if (keys %$res != 0) {
1579
1580         if ($job_synchronization  eq "true") {
1581             # make out of the db result a gosa-si message
1582             my $update_msg = &db_res2si_msg ($res, "foreign_job_updates", "KNOWN_SERVER", "MY_LOCAL_ADDRESS");
1583
1584             # update all other SI-server
1585             &inform_all_other_si_server($update_msg);
1586         }
1587
1588         # set jobs all jobs to modified = 0, wait until the next modification for updates of other si-server
1589         $sql_statement = "UPDATE $job_queue_tn SET modified='0' ";
1590         $res = $job_db->update_dbentry($sql_statement);
1591     }
1592
1593     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay);
1594 }
1595
1596
1597 sub watch_for_new_jobs {
1598         if($watch_for_new_jobs_in_progress == 0) {
1599                 $watch_for_new_jobs_in_progress = 1;
1600                 my ($kernel,$heap) = @_[KERNEL, HEAP];
1601
1602                 # check gosa job quaeue for jobs with executable timestamp
1603                 my $timestamp = &get_time();
1604                 my $sql_statement = "SELECT * FROM $job_queue_tn WHERE status='waiting' AND (CAST (timestamp AS INTEGER)) < $timestamp ORDER BY timestamp";
1605                 my $res = $job_db->exec_statement( $sql_statement );
1606
1607                 # Merge all new jobs that would do the same actions
1608                 my @drops;
1609                 my $hits;
1610                 foreach my $hit (reverse @{$res} ) {
1611                         my $macaddress= lc @{$hit}[8];
1612                         my $headertag= @{$hit}[5];
1613                         if(
1614                                 defined($hits->{$macaddress}) &&
1615                                 defined($hits->{$macaddress}->{$headertag}) &&
1616                                 defined($hits->{$macaddress}->{$headertag}[0])
1617                         ) {
1618                                 push @drops, "DELETE FROM $job_queue_tn WHERE id = $hits->{$macaddress}->{$headertag}[0]";
1619                         }
1620                         $hits->{$macaddress}->{$headertag}= $hit;
1621                 }
1622
1623                 # Delete new jobs with a matching job in state 'processing'
1624                 foreach my $macaddress (keys %{$hits}) {
1625                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1626                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1627                                 if(defined($jobdb_id)) {
1628                                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND headertag='$jobdb_headertag' AND status='processing'";
1629                                         my $res = $job_db->exec_statement( $sql_statement );
1630                                         foreach my $hit (@{$res}) {
1631                                                 push @drops, "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1632                                         }
1633                                 } else {
1634                                         daemon_log("J ERROR: Job without id exists for macaddress $macaddress!", 1);
1635                                 }
1636                         }
1637                 }
1638
1639                 # Commit deletion
1640                 $job_db->exec_statementlist(\@drops);
1641
1642                 # Look for new jobs that could be executed
1643                 foreach my $macaddress (keys %{$hits}) {
1644
1645                         # Look if there is an executing job
1646                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND status='processing'";
1647                         my $res = $job_db->exec_statement( $sql_statement );
1648
1649                         # Skip new jobs for host if there is a processing job
1650                         if(defined($res) and defined @{$res}[0]) {
1651                                 next;
1652                         }
1653
1654                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1655                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1656                                 if(defined($jobdb_id)) {
1657                                         my $job_msg = @{$hits->{$macaddress}->{$jobdb_headertag}}[7];
1658
1659                                         daemon_log("J DEBUG: its time to execute $job_msg", 7);
1660                                         my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$macaddress'";
1661                                         my $res_hash = $known_clients_db->select_dbentry( $sql_statement );
1662
1663                                         # expect macaddress is unique!!!!!!
1664                                         my $target = $res_hash->{1}->{hostname};
1665
1666                                         # change header
1667                                         $job_msg =~ s/<header>job_/<header>gosa_/;
1668
1669                                         # add sqlite_id
1670                                         $job_msg =~ s/<\/xml>$/<jobdb_id>$jobdb_id<\/jobdb_id><\/xml>/;
1671
1672                                         $job_msg =~ /<header>(\S+)<\/header>/;
1673                                         my $header = $1 ;
1674                                         my $func_error = &send_msg_to_target($job_msg, $server_address, $GosaPackages_key, $header, "J");
1675
1676                                         # update status in job queue to 'processing'
1677                                         $sql_statement = "UPDATE $job_queue_tn SET status='processing' WHERE id=$jobdb_id";
1678                                         my $res = $job_db->update_dbentry($sql_statement);
1679 # TODO: abfangen ob alles in ordnung ist oder nicht, wenn nicht error schmeißen
1680
1681                                         # We don't want parallel processing
1682                                         last;
1683                                 }
1684                         }
1685                 }
1686
1687                 $watch_for_new_jobs_in_progress = 0;
1688                 $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1689         }
1690 }
1691
1692
1693 sub watch_for_new_messages {
1694     my ($kernel,$heap) = @_[KERNEL, HEAP];
1695     my @coll_user_msg;   # collection list of outgoing messages
1696
1697     # check messaging_db for new incoming messages with executable timestamp
1698     my $timestamp = &get_time();
1699     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( (CAST(timestamp AS INTEGER))<$timestamp AND flag='n' AND direction='in' )";
1700     my $res = $messaging_db->exec_statement( $sql_statement );
1701         foreach my $hit (@{$res}) {
1702
1703         # create outgoing messages
1704         my $message_to = @{$hit}[3];
1705         # translate message_to to plain login name
1706         my @message_to_l = split(/,/, $message_to);
1707                 my %receiver_h;
1708                 foreach my $receiver (@message_to_l) {
1709                         if ($receiver =~ /^u_([\s\S]*)$/) {
1710                                 $receiver_h{$1} = 0;
1711                         } elsif ($receiver =~ /^g_([\s\S]*)$/) {
1712                                 my $group_name = $1;
1713                                 # fetch all group members from ldap and add them to receiver hash
1714                                 my $ldap_handle = &get_ldap_handle();
1715                                 if (defined $ldap_handle) {
1716                                                 my $mesg = $ldap_handle->search(
1717                                                                                 base => $ldap_base,
1718                                                                                 scope => 'sub',
1719                                                                                 attrs => ['memberUid'],
1720                                                                                 filter => "cn=$group_name",
1721                                                                                 );
1722                                                 if ($mesg->count) {
1723                                                                 my @entries = $mesg->entries;
1724                                                                 foreach my $entry (@entries) {
1725                                                                                 my @receivers= $entry->get_value("memberUid");
1726                                                                                 foreach my $receiver (@receivers) {
1727                                                                                                 $receiver_h{$1} = 0;
1728                                                                                 }
1729                                                                 }
1730                                                 }
1731                                                 # translating errors ?
1732                                                 if ($mesg->code) {
1733                                                                 daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: $mesg->error", 1);
1734                                                 }
1735                                 # ldap handle error ?
1736                                 } else {
1737                                         daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: no ldap handle available", 1);
1738                                 }
1739                         } else {
1740                                 my $sbjct = &encode_base64(@{$hit}[1]);
1741                                 my $msg = &encode_base64(@{$hit}[7]);
1742                                 &daemon_log("M WARNING: unknown receiver '$receiver' for a user-message '$sbjct - $msg'", 3);
1743                         }
1744                 }
1745                 my @receiver_l = keys(%receiver_h);
1746
1747         my $message_id = @{$hit}[0];
1748
1749         #add each outgoing msg to messaging_db
1750         my $receiver;
1751         foreach $receiver (@receiver_l) {
1752             my $sql_statement = "INSERT INTO $messaging_tn (id, subject, message_from, message_to, flag, direction, delivery_time, message, timestamp) ".
1753                 "VALUES ('".
1754                 $message_id."', '".    # id
1755                 @{$hit}[1]."', '".     # subject
1756                 @{$hit}[2]."', '".     # message_from
1757                 $receiver."', '".      # message_to
1758                 "none"."', '".         # flag
1759                 "out"."', '".          # direction
1760                 @{$hit}[6]."', '".     # delivery_time
1761                 @{$hit}[7]."', '".     # message
1762                 $timestamp."'".     # timestamp
1763                 ")";
1764             &daemon_log("M DEBUG: $sql_statement", 1);
1765             my $res = $messaging_db->exec_statement($sql_statement);
1766             &daemon_log("M INFO: message '".@{$hit}[0]."' is prepared for delivery to receiver '$receiver'", 5);
1767         }
1768
1769         # set incoming message to flag d=deliverd
1770         $sql_statement = "UPDATE $messaging_tn SET flag='p' WHERE id='$message_id'";
1771         &daemon_log("M DEBUG: $sql_statement", 7);
1772         $res = $messaging_db->update_dbentry($sql_statement);
1773         &daemon_log("M INFO: message '$message_id' is set to flag 'p' (processed)", 5);
1774     }
1775
1776     $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1777     return;
1778 }
1779
1780 sub watch_for_delivery_messages {
1781     my ($kernel, $heap) = @_[KERNEL, HEAP];
1782
1783     # select outgoing messages
1784     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( flag='p' AND direction='out' )";
1785     #&daemon_log("0 DEBUG: $sql", 7);
1786     my $res = $messaging_db->exec_statement( $sql_statement );
1787
1788     # build out msg for each    usr
1789     foreach my $hit (@{$res}) {
1790         my $receiver = @{$hit}[3];
1791         my $msg_id = @{$hit}[0];
1792         my $subject = @{$hit}[1];
1793         my $message = @{$hit}[7];
1794
1795         # resolve usr -> host where usr is logged in
1796         my $sql = "SELECT * FROM $login_users_tn WHERE (user='$receiver')";
1797         #&daemon_log("0 DEBUG: $sql", 7);
1798         my $res = $login_users_db->exec_statement($sql);
1799
1800         # reciver is logged in nowhere
1801         if (not ref(@$res[0]) eq "ARRAY") { next; }
1802
1803                 my $send_succeed = 0;
1804                 foreach my $hit (@$res) {
1805                                 my $receiver_host = @$hit[0];
1806                                 &daemon_log("M DEBUG: user '$receiver' is logged in at host '$receiver_host'", 7);
1807
1808                                 # fetch key to encrypt msg propperly for usr/host
1809                                 my $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$receiver_host')";
1810                                 &daemon_log("0 DEBUG: $sql", 7);
1811                                 my $res = $known_clients_db->exec_statement($sql);
1812
1813                                 # host is already down
1814                                 if (not ref(@$res[0]) eq "ARRAY") { next; }
1815
1816                                 # host is on
1817                                 my $receiver_key = @{@{$res}[0]}[2];
1818                                 my %data = ('subject' => $subject, 'message' => $message, 'usr' => $receiver);
1819                                 my $out_msg = &build_msg("usr_msg", $server_address, $receiver_host, \%data );
1820                                 my $error = &send_msg_to_target($out_msg, $receiver_host, $receiver_key, "usr_msg", 0);
1821                                 if ($error == 0 ) {
1822                                         $send_succeed++ ;
1823                                 }
1824                 }
1825
1826                 if ($send_succeed) {
1827                                 # set outgoing msg at db to deliverd
1828                                 my $sql = "UPDATE $messaging_tn SET flag='d' WHERE (id='$msg_id' AND direction='out' AND message_to='$receiver')";
1829                                 &daemon_log("0 DEBUG: $sql", 7);
1830                                 my $res = $messaging_db->exec_statement($sql);
1831                 }
1832         }
1833
1834     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay);
1835     return;
1836 }
1837
1838
1839 sub watch_for_done_messages {
1840     my ($kernel,$heap) = @_[KERNEL, HEAP];
1841
1842     my $sql = "SELECT * FROM $messaging_tn WHERE (flag='p' AND direction='in')";
1843     #&daemon_log("0 DEBUG: $sql", 7);
1844     my $res = $messaging_db->exec_statement($sql);
1845
1846     foreach my $hit (@{$res}) {
1847         my $msg_id = @{$hit}[0];
1848
1849         my $sql = "SELECT * FROM $messaging_tn WHERE (id='$msg_id' AND direction='out' AND (NOT flag='s'))";
1850         #&daemon_log("0 DEBUG: $sql", 7);
1851         my $res = $messaging_db->exec_statement($sql);
1852
1853         # not all usr msgs have been seen till now
1854         if ( ref(@$res[0]) eq "ARRAY") { next; }
1855
1856         $sql = "DELETE FROM $messaging_tn WHERE (id='$msg_id')";
1857         #&daemon_log("0 DEBUG: $sql", 7);
1858         $res = $messaging_db->exec_statement($sql);
1859
1860     }
1861
1862     $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1863     return;
1864 }
1865
1866
1867 sub watch_for_old_known_clients {
1868     my ($kernel,$heap) = @_[KERNEL, HEAP];
1869
1870     my $sql_statement = "SELECT * FROM $known_clients_tn";
1871     my $res = $known_clients_db->select_dbentry( $sql_statement );
1872
1873     my $act_time = int(&get_time());
1874
1875     while ( my ($hit_num, $hit) = each %$res) {
1876         my $expired_timestamp = int($hit->{'timestamp'});
1877         $expired_timestamp =~ /(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)/;
1878         my $dt = DateTime->new( year   => $1,
1879                 month  => $2,
1880                 day    => $3,
1881                 hour   => $4,
1882                 minute => $5,
1883                 second => $6,
1884                 );
1885
1886         $dt->add( seconds => 2 * int($hit->{'keylifetime'}) );
1887         $expired_timestamp = $dt->ymd('').$dt->hms('')."\n";
1888         if ($act_time > $expired_timestamp) {
1889             my $hostname = $hit->{'hostname'};
1890             my $del_sql = "DELETE FROM $known_clients_tn WHERE hostname='$hostname'";
1891             my $del_res = $known_clients_db->exec_statement($del_sql);
1892
1893             &main::daemon_log("0 INFO: timestamp '".$hit->{'timestamp'}."' of client '$hostname' is expired('$expired_timestamp'), client will be deleted from known_clients_db", 5);
1894         }
1895
1896     }
1897
1898     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
1899 }
1900
1901
1902 sub watch_for_next_tasks {
1903     my ($kernel,$heap) = @_[KERNEL, HEAP];
1904
1905     my $sql = "SELECT * FROM $incoming_tn";
1906     my $res = $incoming_db->select_dbentry($sql);
1907
1908     while ( my ($hit_num, $hit) = each %$res) {
1909         my $headertag = $hit->{'headertag'};
1910         if ($headertag =~ /^answer_(\d+)/) {
1911             # do not start processing, this message is for a still running POE::Wheel
1912             next;
1913         }
1914         my $message_id = $hit->{'id'};
1915         $kernel->yield('next_task', $hit);
1916
1917         my $sql = "DELETE FROM $incoming_tn WHERE id=$message_id";
1918         my $res = $incoming_db->exec_statement($sql);
1919     }
1920
1921     $kernel->delay_set('watch_for_next_tasks', 0.1);
1922 }
1923
1924
1925 sub get_ldap_handle {
1926         my ($session_id) = @_;
1927         my $heap;
1928         my $ldap_handle;
1929
1930         if (not defined $session_id ) { $session_id = 0 };
1931         if ($session_id =~ /[^0-9]*/) { $session_id = 0 };
1932
1933         if ($session_id == 0) {
1934                 daemon_log("$session_id DEBUG: get_ldap_handle invoked without a session_id, create a new ldap_handle", 7);
1935                 $ldap_handle = Net::LDAP->new( $ldap_uri );
1936                 $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or daemon_log("$session_id ERROR: Bind to LDAP $ldap_uri as $ldap_admin_dn failed!");
1937
1938         } else {
1939                 my $session_reference = $global_kernel->ID_id_to_session($session_id);
1940                 if( defined $session_reference ) {
1941                         $heap = $session_reference->get_heap();
1942                 }
1943
1944                 if (not defined $heap) {
1945                         daemon_log("$session_id DEBUG: cannot get heap for session_id '$session_id'", 7);
1946                         return;
1947                 }
1948
1949                 # TODO: This "if" is nonsense, because it doesn't prove that the
1950                 #       used handle is still valid - or if we've to reconnect...
1951                 #if (not exists $heap->{ldap_handle}) {
1952                         $ldap_handle = Net::LDAP->new( $ldap_uri );
1953                         $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or daemon_log("$session_id ERROR: Bind to LDAP $ldap_uri as $ldap_admin_dn failed!");
1954                         $heap->{ldap_handle} = $ldap_handle;
1955                 #}
1956         }
1957         return $ldap_handle;
1958 }
1959
1960
1961 sub change_fai_state {
1962     my ($st, $targets, $session_id) = @_;
1963     $session_id = 0 if not defined $session_id;
1964     # Set FAI state to localboot
1965     my %mapActions= (
1966         reboot    => '',
1967         update    => 'softupdate',
1968         localboot => 'localboot',
1969         reinstall => 'install',
1970         rescan    => '',
1971         wake      => '',
1972         memcheck  => 'memcheck',
1973         sysinfo   => 'sysinfo',
1974         install   => 'install',
1975     );
1976
1977     # Return if this is unknown
1978     if (!exists $mapActions{ $st }){
1979         daemon_log("$session_id ERROR: unknown action '$st', can not translate ot FAIstate", 1);
1980       return;
1981     }
1982
1983     my $state= $mapActions{ $st };
1984
1985     my $ldap_handle = &get_ldap_handle($session_id);
1986     if( defined($ldap_handle) ) {
1987
1988       # Build search filter for hosts
1989         my $search= "(&(objectClass=GOhard)";
1990         foreach (@{$targets}){
1991             $search.= "(macAddress=$_)";
1992         }
1993         $search.= ")";
1994
1995       # If there's any host inside of the search string, procress them
1996         if (!($search =~ /macAddress/)){
1997             daemon_log("$session_id ERROR: no macAddress found in filter statement for LDAP search: '$search'", 1);
1998             return;
1999         }
2000
2001       # Perform search for Unit Tag
2002       my $mesg = $ldap_handle->search(
2003           base   => $ldap_base,
2004           scope  => 'sub',
2005           attrs  => ['dn', 'FAIstate', 'objectClass'],
2006           filter => "$search"
2007           );
2008
2009           if ($mesg->count) {
2010                   my @entries = $mesg->entries;
2011                   if (0 == @entries) {
2012                                   daemon_log("$session_id ERROR: ldap search failed: ldap_base=$ldap_base, filter=$search", 1);
2013                   }
2014
2015                   foreach my $entry (@entries) {
2016                           # Only modify entry if it is not set to '$state'
2017                           if ($entry->get_value("FAIstate") ne "$state"){
2018                                   daemon_log("$session_id INFO: Setting FAIstate to '$state' for ".$entry->dn, 5);
2019                                   my $result;
2020                                   my %tmp = map { $_ => 1 } $entry->get_value("objectClass");
2021                                   if (exists $tmp{'FAIobject'}){
2022                                           if ($state eq ''){
2023                                                   $result= $ldap_handle->modify($entry->dn, changes => [
2024                                                           delete => [ FAIstate => [] ] ]);
2025                                           } else {
2026                                                   $result= $ldap_handle->modify($entry->dn, changes => [
2027                                                           replace => [ FAIstate => $state ] ]);
2028                                           }
2029                                   } elsif ($state ne ''){
2030                                           $result= $ldap_handle->modify($entry->dn, changes => [
2031                                                   add     => [ objectClass => 'FAIobject' ],
2032                                                   add     => [ FAIstate => $state ] ]);
2033                                   }
2034
2035                                   # Errors?
2036                                   if ($result->code){
2037                                           daemon_log("$session_id Error: Setting FAIstate to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2038                                   }
2039                           } else {
2040                                   daemon_log("$session_id DEBUG FAIstate at host '".$entry->dn."' already at state '$st'", 7);
2041                           }
2042                   }
2043           } else {
2044                 daemon_log("$session_id ERROR: LDAP search failed: ldap_base=$ldap_base, filter=$search", 1);
2045           }
2046
2047     # if no ldap handle defined
2048     } else {
2049         daemon_log("$session_id ERROR: no LDAP handle defined for update FAIstate", 1);
2050     }
2051
2052         return;
2053 }
2054
2055
2056 sub change_goto_state {
2057     my ($st, $targets, $session_id) = @_;
2058     $session_id = 0  if not defined $session_id;
2059
2060     # Switch on or off?
2061     my $state= $st eq 'active' ? 'active': 'locked';
2062
2063     my $ldap_handle = &get_ldap_handle($session_id);
2064     if( defined($ldap_handle) ) {
2065
2066       # Build search filter for hosts
2067       my $search= "(&(objectClass=GOhard)";
2068       foreach (@{$targets}){
2069         $search.= "(macAddress=$_)";
2070       }
2071       $search.= ")";
2072
2073       # If there's any host inside of the search string, procress them
2074       if (!($search =~ /macAddress/)){
2075         return;
2076       }
2077
2078       # Perform search for Unit Tag
2079       my $mesg = $ldap_handle->search(
2080           base   => $ldap_base,
2081           scope  => 'sub',
2082           attrs  => ['dn', 'gotoMode'],
2083           filter => "$search"
2084           );
2085
2086       if ($mesg->count) {
2087         my @entries = $mesg->entries;
2088         foreach my $entry (@entries) {
2089
2090           # Only modify entry if it is not set to '$state'
2091           if ($entry->get_value("gotoMode") ne $state){
2092
2093             daemon_log("$session_id INFO: Setting gotoMode to '$state' for ".$entry->dn, 5);
2094             my $result;
2095             $result= $ldap_handle->modify($entry->dn, changes => [
2096                                                 replace => [ gotoMode => $state ] ]);
2097
2098             # Errors?
2099             if ($result->code){
2100               &daemon_log("$session_id Error: Setting gotoMode to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2101             }
2102
2103           }
2104         }
2105       } else {
2106                 daemon_log("$session_id ERROR: LDAP search failed in function change_goto_state: ldap_base=$ldap_base, filter=$search", 1);
2107           }
2108
2109     }
2110 }
2111
2112
2113 sub run_recreate_packages_db {
2114     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2115     my $session_id = $session->ID;
2116         &main::daemon_log("$session_id INFO: Recreating FAI Packages DB ('$fai_release_tn', '$fai_server_tn', '$packages_list_tn')", 5);
2117         $kernel->yield('create_fai_release_db', $fai_release_tn);
2118         $kernel->yield('create_fai_server_db', $fai_server_tn);
2119         return;
2120 }
2121
2122
2123 sub run_create_fai_server_db {
2124     my ($kernel, $session, $heap, $table_name) = @_[KERNEL, SESSION, HEAP, ARG0];
2125     my $session_id = $session->ID;
2126     my $task = POE::Wheel::Run->new(
2127             Program => sub { &create_fai_server_db($table_name,$kernel, undef, $session_id) },
2128             StdoutEvent  => "session_run_result",
2129             StderrEvent  => "session_run_debug",
2130             CloseEvent   => "session_run_done",
2131             );
2132
2133     $heap->{task}->{ $task->ID } = $task;
2134     return;
2135 }
2136
2137
2138 sub create_fai_server_db {
2139     my ($table_name, $kernel, $dont_create_packages_list, $session_id) = @_;
2140         my $result;
2141
2142         if (not defined $session_id) { $session_id = 0; }
2143     my $ldap_handle = &get_ldap_handle();
2144         if(defined($ldap_handle)) {
2145                 daemon_log("$session_id INFO: create_fai_server_db: start", 5);
2146                 my $mesg= $ldap_handle->search(
2147                         base   => $ldap_base,
2148                         scope  => 'sub',
2149                         attrs  => ['FAIrepository', 'gosaUnitTag'],
2150                         filter => "(&(FAIrepository=*)(objectClass=FAIrepositoryServer))",
2151                 );
2152                 if($mesg->{'resultCode'} == 0 &&
2153                    $mesg->count != 0) {
2154                    foreach my $entry (@{$mesg->{entries}}) {
2155                            if($entry->exists('FAIrepository')) {
2156                                    # Add an entry for each Repository configured for server
2157                                    foreach my $repo(@{$entry->get_value('FAIrepository', asref => 1)}) {
2158                                                    my($tmp_url,$tmp_server,$tmp_release,$tmp_sections) = split(/\|/, $repo);
2159                                                    my $tmp_tag= $entry->get_value('gosaUnitTag') || "";
2160                                                    $result= $fai_server_db->add_dbentry( {
2161                                                                    table => $table_name,
2162                                                                    primkey => ['server', 'release', 'tag'],
2163                                                                    server => $tmp_url,
2164                                                                    release => $tmp_release,
2165                                                                    sections => $tmp_sections,
2166                                                                    tag => (length($tmp_tag)>0)?$tmp_tag:"",
2167                                                            } );
2168                                            }
2169                                    }
2170                            }
2171                    }
2172                 daemon_log("$session_id INFO: create_fai_server_db: finished", 5);
2173
2174                 # TODO: Find a way to post the 'create_packages_list_db' event
2175                 if(not defined($dont_create_packages_list)) {
2176                         &create_packages_list_db(undef, undef, $session_id);
2177                 }
2178         }
2179
2180     $ldap_handle->disconnect;
2181         return $result;
2182 }
2183
2184
2185 sub run_create_fai_release_db {
2186     my ($session, $heap, $table_name) = @_[SESSION, HEAP, ARG0];
2187         my $session_id = $session->ID;
2188     my $task = POE::Wheel::Run->new(
2189             Program => sub { &create_fai_release_db($table_name, $session_id) },
2190             StdoutEvent  => "session_run_result",
2191             StderrEvent  => "session_run_debug",
2192             CloseEvent   => "session_run_done",
2193             );
2194
2195     $heap->{task}->{ $task->ID } = $task;
2196     return;
2197 }
2198
2199
2200 sub create_fai_release_db {
2201         my ($table_name, $session_id) = @_;
2202         my $result;
2203
2204     # used for logging
2205     if (not defined $session_id) { $session_id = 0; }
2206
2207     my $ldap_handle = &get_ldap_handle();
2208         if(defined($ldap_handle)) {
2209                 daemon_log("$session_id INFO: create_fai_release_db: start",5);
2210                 my $mesg= $ldap_handle->search(
2211                         base   => $ldap_base,
2212                         scope  => 'sub',
2213                         attrs  => [],
2214                         filter => "(&(objectClass=organizationalUnit)(ou=fai))",
2215                 );
2216                 if($mesg->{'resultCode'} == 0 &&
2217                         $mesg->count != 0) {
2218                         # Walk through all possible FAI container ou's
2219                         my @sql_list;
2220                         my $timestamp= &get_time();
2221                         foreach my $ou (@{$mesg->{entries}}) {
2222                                 my $tmp_classes= resolve_fai_classes($ou->dn, $ldap_handle, $session_id);
2223                                 if(defined($tmp_classes) && ref($tmp_classes) eq 'HASH') {
2224                                         my @tmp_array=get_fai_release_entries($tmp_classes);
2225                                         if(@tmp_array) {
2226                                                 foreach my $entry (@tmp_array) {
2227                                                         if(defined($entry) && ref($entry) eq 'HASH') {
2228                                                                 my $sql=
2229                                                                 "INSERT INTO $table_name "
2230                                                                 ."(timestamp, release, class, type, state) VALUES ("
2231                                                                 .$timestamp.","
2232                                                                 ."'".$entry->{'release'}."',"
2233                                                                 ."'".$entry->{'class'}."',"
2234                                                                 ."'".$entry->{'type'}."',"
2235                                                                 ."'".$entry->{'state'}."')";
2236                                                                 push @sql_list, $sql;
2237                                                         }
2238                                                 }
2239                                         }
2240                                 }
2241                         }
2242
2243                         daemon_log("$session_id DEBUG: Inserting ".scalar @sql_list." entries to DB",8);
2244                         if(@sql_list) {
2245                                 unshift @sql_list, "VACUUM";
2246                                 unshift @sql_list, "DELETE FROM $table_name";
2247                                 $fai_release_db->exec_statementlist(\@sql_list);
2248                         }
2249                         daemon_log("$session_id DEBUG: Done with inserting",7);
2250                 }
2251                 daemon_log("$session_id INFO: create_fai_release_db: finished",5);
2252         }
2253     $ldap_handle->disconnect;
2254         return $result;
2255 }
2256
2257 sub get_fai_types {
2258         my $tmp_classes = shift || return undef;
2259         my @result;
2260
2261         foreach my $type(keys %{$tmp_classes}) {
2262                 if(defined($tmp_classes->{$type}[0]) && (!($tmp_classes->{$type}[0] =~ /^.*?removed.*?$/))) {
2263                         my $entry = {
2264                                 type => $type,
2265                                 state => $tmp_classes->{$type}[0],
2266                         };
2267                         push @result, $entry;
2268                 }
2269         }
2270
2271         return @result;
2272 }
2273
2274 sub get_fai_state {
2275         my $result = "";
2276         my $tmp_classes = shift || return $result;
2277
2278         foreach my $type(keys %{$tmp_classes}) {
2279                 if(defined($tmp_classes->{$type}[0])) {
2280                         $result = $tmp_classes->{$type}[0];
2281
2282                 # State is equal for all types in class
2283                         last;
2284                 }
2285         }
2286
2287         return $result;
2288 }
2289
2290 sub resolve_fai_classes {
2291         my ($fai_base, $ldap_handle, $session_id) = @_;
2292         if (not defined $session_id) { $session_id = 0; }
2293         my $result;
2294         my @possible_fai_classes= ("FAIscript", "FAIhook", "FAIpartitionTable", "FAItemplate", "FAIvariable", "FAIprofile", "FAIpackageList");
2295         my $fai_filter= "(|(&(objectClass=FAIclass)(|(objectClass=".join(")(objectClass=", @possible_fai_classes).")))(objectClass=FAIbranch))";
2296         my $fai_classes;
2297
2298         daemon_log("$session_id DEBUG: Searching for FAI entries in base $fai_base",7);
2299         my $mesg= $ldap_handle->search(
2300                 base   => $fai_base,
2301                 scope  => 'sub',
2302                 attrs  => ['cn','objectClass','FAIstate'],
2303                 filter => $fai_filter,
2304         );
2305         daemon_log("$session_id DEBUG: Found ".$mesg->count()." FAI entries",7);
2306
2307         if($mesg->{'resultCode'} == 0 &&
2308                 $mesg->count != 0) {
2309                 foreach my $entry (@{$mesg->{entries}}) {
2310                         if($entry->exists('cn')) {
2311                                 my $tmp_dn= $entry->dn();
2312
2313                                 # Skip classname and ou dn parts for class
2314                                 my $tmp_release = ($1) if $tmp_dn =~ /^[^,]+,[^,]+,(.*?),$fai_base$/;
2315
2316                                 # Skip classes without releases
2317                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2318                                         next;
2319                                 }
2320
2321                                 my $tmp_cn= $entry->get_value('cn');
2322                                 my $tmp_state= $entry->get_value('FAIstate');
2323
2324                                 my $tmp_type;
2325                                 # Get FAI type
2326                                 for my $oclass(@{$entry->get_value('objectClass', asref => 1)}) {
2327                                         if(grep $_ eq $oclass, @possible_fai_classes) {
2328                                                 $tmp_type= $oclass;
2329                                                 last;
2330                                         }
2331                                 }
2332
2333                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2334                                         # A Subrelease
2335                                         my @sub_releases = split(/,/, $tmp_release);
2336
2337                                         # Walk through subreleases and build hash tree
2338                                         my $hash;
2339                                         while(my $tmp_sub_release = pop @sub_releases) {
2340                                                 $hash .= "\{'$tmp_sub_release'\}->";
2341                                         }
2342                                         eval('push @{$fai_classes->'.$hash.'{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";');
2343                                 } else {
2344                                         # A branch, no subrelease
2345                                         push @{$fai_classes->{$tmp_release}->{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";
2346                                 }
2347                         } elsif (!$entry->exists('cn')) {
2348                                 my $tmp_dn= $entry->dn();
2349                                 my $tmp_release = ($1) if $tmp_dn =~ /^(.*?),$fai_base$/;
2350
2351                                 # Skip classes without releases
2352                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2353                                         next;
2354                                 }
2355
2356                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2357                                         # A Subrelease
2358                                         my @sub_releases= split(/,/, $tmp_release);
2359
2360                                         # Walk through subreleases and build hash tree
2361                                         my $hash;
2362                                         while(my $tmp_sub_release = pop @sub_releases) {
2363                                                 $hash .= "\{'$tmp_sub_release'\}->";
2364                                         }
2365                                         # Remove the last two characters
2366                                         chop($hash);
2367                                         chop($hash);
2368
2369                                         eval('$fai_classes->'.$hash.'= {}');
2370                                 } else {
2371                                         # A branch, no subrelease
2372                                         if(!exists($fai_classes->{$tmp_release})) {
2373                                                 $fai_classes->{$tmp_release} = {};
2374                                         }
2375                                 }
2376                         }
2377                 }
2378
2379                 # The hash is complete, now we can honor the copy-on-write based missing entries
2380                 foreach my $release (keys %$fai_classes) {
2381                         $result->{$release}= deep_copy(apply_fai_inheritance($fai_classes->{$release}));
2382                 }
2383         }
2384         return $result;
2385 }
2386
2387 sub apply_fai_inheritance {
2388        my $fai_classes = shift || return {};
2389        my $tmp_classes;
2390
2391        # Get the classes from the branch
2392        foreach my $class (keys %{$fai_classes}) {
2393                # Skip subreleases
2394                if($class =~ /^ou=.*$/) {
2395                        next;
2396                } else {
2397                        $tmp_classes->{$class}= deep_copy($fai_classes->{$class});
2398                }
2399        }
2400
2401        # Apply to each subrelease
2402        foreach my $subrelease (keys %{$fai_classes}) {
2403                if($subrelease =~ /ou=/) {
2404                        foreach my $tmp_class (keys %{$tmp_classes}) {
2405                                if(!exists($fai_classes->{$subrelease}->{$tmp_class})) {
2406                                        $fai_classes->{$subrelease}->{$tmp_class} =
2407                                        deep_copy($tmp_classes->{$tmp_class});
2408                                } else {
2409                                        foreach my $type (keys %{$tmp_classes->{$tmp_class}}) {
2410                                                if(!exists($fai_classes->{$subrelease}->{$tmp_class}->{$type})) {
2411                                                        $fai_classes->{$subrelease}->{$tmp_class}->{$type}=
2412                                                        deep_copy($tmp_classes->{$tmp_class}->{$type});
2413                                                }
2414                                        }
2415                                }
2416                        }
2417                }
2418        }
2419
2420        # Find subreleases in deeper levels
2421        foreach my $subrelease (keys %{$fai_classes}) {
2422                if($subrelease =~ /ou=/) {
2423                        foreach my $subsubrelease (keys %{$fai_classes->{$subrelease}}) {
2424                                if($subsubrelease =~ /ou=/) {
2425                                        apply_fai_inheritance($fai_classes->{$subrelease});
2426                                }
2427                        }
2428                }
2429        }
2430
2431        return $fai_classes;
2432 }
2433
2434 sub get_fai_release_entries {
2435         my $tmp_classes = shift || return;
2436         my $parent = shift || "";
2437         my @result = shift || ();
2438
2439         foreach my $entry (keys %{$tmp_classes}) {
2440                 if(defined($entry)) {
2441                         if($entry =~ /^ou=.*$/) {
2442                                 my $release_name = $entry;
2443                                 $release_name =~ s/ou=//g;
2444                                 if(length($parent)>0) {
2445                                         $release_name = $parent."/".$release_name;
2446                                 }
2447                                 my @bufentries = get_fai_release_entries($tmp_classes->{$entry}, $release_name, @result);
2448                                 foreach my $bufentry(@bufentries) {
2449                                         push @result, $bufentry;
2450                                 }
2451                         } else {
2452                                 my @types = get_fai_types($tmp_classes->{$entry});
2453                                 foreach my $type (@types) {
2454                                         push @result,
2455                                         {
2456                                                 'class' => $entry,
2457                                                 'type' => $type->{'type'},
2458                                                 'release' => $parent,
2459                                                 'state' => $type->{'state'},
2460                                         };
2461                                 }
2462                         }
2463                 }
2464         }
2465
2466         return @result;
2467 }
2468
2469 sub deep_copy {
2470         my $this = shift;
2471         if (not ref $this) {
2472                 $this;
2473         } elsif (ref $this eq "ARRAY") {
2474                 [map deep_copy($_), @$this];
2475         } elsif (ref $this eq "HASH") {
2476                 +{map { $_ => deep_copy($this->{$_}) } keys %$this};
2477         } else { die "what type is $_?" }
2478 }
2479
2480
2481 sub session_run_result {
2482     my ($kernel, $heap, $client_answer) = @_[KERNEL, HEAP, ARG0];
2483     $kernel->sig(CHLD => "child_reap");
2484 }
2485
2486 sub session_run_debug {
2487     my $result = $_[ARG0];
2488     print STDERR "$result\n";
2489 }
2490
2491 sub session_run_done {
2492     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
2493     delete $heap->{task}->{$task_id};
2494 }
2495
2496
2497 sub create_sources_list {
2498         my $session_id = shift;
2499         my $ldap_handle = &main::get_ldap_handle;
2500         my $result="/tmp/gosa_si_tmp_sources_list";
2501
2502         # Remove old file
2503         if(stat($result)) {
2504                 unlink($result);
2505                 &main::daemon_log("$session_id DEBUG: remove an old version of '$result'", 7);
2506         }
2507
2508         my $fh;
2509         open($fh, ">$result");
2510         if (not defined $fh) {
2511                 &main::daemon_log("$session_id DEBUG: cannot open '$result' for writing", 7);
2512                 return undef;
2513         }
2514         if(defined($main::ldap_server_dn) and length($main::ldap_server_dn) > 0) {
2515                 my $mesg=$ldap_handle->search(
2516                         base    => $main::ldap_server_dn,
2517                         scope   => 'base',
2518                         attrs   => 'FAIrepository',
2519                         filter  => 'objectClass=FAIrepositoryServer'
2520                 );
2521                 if($mesg->count) {
2522                         foreach my $entry(@{$mesg->{'entries'}}) {
2523                                 foreach my $value(@{$entry->get_value('FAIrepository', asref => 1)}) {
2524                                         my ($server, $tag, $release, $sections)= split /\|/, $value;
2525                                         my $line = "deb $server $release";
2526                                         $sections =~ s/,/ /g;
2527                                         $line.= " $sections";
2528                                         print $fh $line."\n";
2529                                 }
2530                         }
2531                 }
2532         } else {
2533                 if (defined $main::ldap_server_dn){
2534                         &main::daemon_log("$session_id ERROR: something wrong with ldap_server_dn '$main::ldap_server_dn', abort create_sources_list", 1);
2535                 } else {
2536                         &main::daemon_log("$session_id ERROR: no ldap_server_dn found, abort create_sources_list", 1);
2537                 }
2538         }
2539         close($fh);
2540
2541         return $result;
2542 }
2543
2544
2545 sub run_create_packages_list_db {
2546     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2547         my $session_id = $session->ID;
2548
2549         my $task = POE::Wheel::Run->new(
2550                                         Priority => +20,
2551                                         Program => sub {&create_packages_list_db(undef, undef, $session_id)},
2552                                         StdoutEvent  => "session_run_result",
2553                                         StderrEvent  => "session_run_debug",
2554                                         CloseEvent   => "session_run_done",
2555                                         );
2556         $heap->{task}->{ $task->ID } = $task;
2557 }
2558
2559
2560 sub create_packages_list_db {
2561         my ($ldap_handle, $sources_file, $session_id) = @_;
2562
2563         # it should not be possible to trigger a recreation of packages_list_db
2564         # while packages_list_db is under construction, so set flag packages_list_under_construction
2565         # which is tested befor recreation can be started
2566         if (-r $packages_list_under_construction) {
2567                 daemon_log("$session_id WARNING: packages_list_db is right now under construction, please wait until this process is finished", 3);
2568                 return;
2569         } else {
2570                 daemon_log("$session_id INFO: create_packages_list_db: start", 5);
2571                 # set packages_list_under_construction to true
2572                 system("touch $packages_list_under_construction");
2573                 @packages_list_statements=();
2574         }
2575
2576         if (not defined $session_id) { $session_id = 0; }
2577         if (not defined $ldap_handle) {
2578                 $ldap_handle= &get_ldap_handle();
2579
2580                 if (not defined $ldap_handle) {
2581                         daemon_log("$session_id ERROR: no ldap_handle available to create_packages_list_db", 1);
2582                         unlink($packages_list_under_construction);
2583                         return;
2584                 }
2585         }
2586         if (not defined $sources_file) {
2587                 &main::daemon_log("$session_id INFO: no sources_file given for creating packages list so trigger creation of it", 5);
2588                 $sources_file = &create_sources_list($session_id);
2589         }
2590
2591         if (not defined $sources_file) {
2592                 &main::daemon_log("$session_id ERROR: no sources_file given under '$sources_file', skip create_packages_list_db", 1);
2593                 unlink($packages_list_under_construction);
2594                 return;
2595         }
2596
2597         my $line;
2598
2599         open(CONFIG, "<$sources_file") or do {
2600                 daemon_log( "$session_id ERROR: create_packages_list_db: Failed to open '$sources_file'", 1);
2601                 unlink($packages_list_under_construction);
2602                 return;
2603         };
2604
2605         # Read lines
2606         while ($line = <CONFIG>){
2607                 # Unify
2608                 chop($line);
2609                 $line =~ s/^\s+//;
2610                 $line =~ s/^\s+/ /;
2611
2612                 # Strip comments
2613                 $line =~ s/#.*$//g;
2614
2615                 # Skip empty lines
2616                 if ($line =~ /^\s*$/){
2617                         next;
2618                 }
2619
2620                 # Interpret deb line
2621                 if ($line =~ /^deb [^\s]+\s[^\s]+\s[^\s]+/){
2622                         my( $baseurl, $dist, $sections ) = ($line =~ /^deb\s([^\s]+)\s+([^\s]+)\s+(.*)$/);
2623                         my $section;
2624                         foreach $section (split(' ', $sections)){
2625                                 &parse_package_info( $baseurl, $dist, $section, $session_id );
2626                         }
2627                 }
2628         }
2629
2630         close (CONFIG);
2631
2632
2633         find(\&cleanup_and_extract, keys( %repo_dirs ));
2634         &main::strip_packages_list_statements();
2635         unshift @packages_list_statements, "VACUUM";
2636         $packages_list_db->exec_statementlist(\@packages_list_statements);
2637         unlink($packages_list_under_construction);
2638         daemon_log("$session_id INFO: create_packages_list_db: finished", 5);
2639         return;
2640 }
2641
2642 # This function should do some intensive task to minimize the db-traffic
2643 sub strip_packages_list_statements {
2644     my @existing_entries= @{$packages_list_db->exec_statement("SELECT * FROM $main::packages_list_tn")};
2645         my @new_statement_list=();
2646         my $hash;
2647         my $insert_hash;
2648         my $update_hash;
2649         my $delete_hash;
2650         my $local_timestamp=get_time();
2651
2652         foreach my $existing_entry (@existing_entries) {
2653                 $hash->{@{$existing_entry}[0]}->{@{$existing_entry}[1]}->{@{$existing_entry}[2]}= $existing_entry;
2654         }
2655
2656         foreach my $statement (@packages_list_statements) {
2657                 if($statement =~ /^INSERT/i) {
2658                         # Assign the values from the insert statement
2659                         my ($distribution,$package,$version,$section,$description,$template,$timestamp) = ($1,$2,$3,$4,$5,$6,$7) if $statement =~
2660                         /^INSERT\s+?INTO\s+?$main::packages_list_tn\s+?VALUES\s*?\('(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)'\s*?\)$/si;
2661                         if(exists($hash->{$distribution}->{$package}->{$version})) {
2662                                 # If section or description has changed, update the DB
2663                                 if(
2664                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[3] eq $section)) or
2665                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[4] eq $description))
2666                                 ) {
2667                                         @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,undef);
2668                                 }
2669                         } else {
2670                                 # Insert a non-existing entry to db
2671                                 @{$insert_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2672                         }
2673                 } elsif ($statement =~ /^UPDATE/i) {
2674                         my ($template,$package,$version) = ($1,$2,$3) if $statement =~
2675                         /^update\s+?$main::packages_list_tn\s+?set\s+?template\s*?=\s*?'(.*?)'\s+?where\s+?package\s*?=\s*?'(.*?)'\s+?and\s+?version\s*?=\s*?'(.*?)'\s*?;$/si;
2676                         foreach my $distribution (keys %{$hash}) {
2677                                 if(exists($insert_hash->{$distribution}->{$package}->{$version})) {
2678                                         # update the insertion hash to execute only one query per package (insert instead insert+update)
2679                                         @{$insert_hash->{$distribution}->{$package}->{$version}}[5]= $template;
2680                                 } elsif(exists($hash->{$distribution}->{$package}->{$version})) {
2681                                         if( ! (@{$hash->{$distribution}->{$package}->{$version}}[5] eq $template)) {
2682                                                 my $section;
2683                                                 my $description;
2684                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) and
2685                                                         length(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) > 0 ) {
2686                                                         $section= @{$update_hash->{$distribution}->{$package}->{$version}}[3];
2687                                                 }
2688                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2689                                                         $description= @{$update_hash->{$distribution}->{$package}->{$version}}[4];
2690                                                 }
2691                                                 @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2692                                         }
2693                                 }
2694                         }
2695                 }
2696         }
2697
2698         # TODO: Check for orphaned entries
2699
2700         # unroll the insert_hash
2701         foreach my $distribution (keys %{$insert_hash}) {
2702                 foreach my $package (keys %{$insert_hash->{$distribution}}) {
2703                         foreach my $version (keys %{$insert_hash->{$distribution}->{$package}}) {
2704                                 push @new_statement_list, "INSERT INTO $main::packages_list_tn VALUES ('$distribution','$package','$version',"
2705                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[3]',"
2706                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[4]',"
2707                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[5]',"
2708                                 ."'$local_timestamp')";
2709                         }
2710                 }
2711         }
2712
2713         # unroll the update hash
2714         foreach my $distribution (keys %{$update_hash}) {
2715                 foreach my $package (keys %{$update_hash->{$distribution}}) {
2716                         foreach my $version (keys %{$update_hash->{$distribution}->{$package}}) {
2717                                 my $set = "";
2718                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3])) {
2719                                         $set .= "section = '@{$update_hash->{$distribution}->{$package}->{$version}}[3]', ";
2720                                 }
2721                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2722                                         $set .= "description = '@{$update_hash->{$distribution}->{$package}->{$version}}[4]', ";
2723                                 }
2724                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[5])) {
2725                                         $set .= "template = '@{$update_hash->{$distribution}->{$package}->{$version}}[5]', ";
2726                                 }
2727                                 if(defined($set) and length($set) > 0) {
2728                                         $set .= "timestamp = '$local_timestamp'";
2729                                 } else {
2730                                         next;
2731                                 }
2732                                 push @new_statement_list,
2733                                         "UPDATE $main::packages_list_tn SET $set WHERE"
2734                                         ." distribution = '$distribution'"
2735                                         ." AND package = '$package'"
2736                                         ." AND version = '$version'";
2737                         }
2738                 }
2739         }
2740
2741         @packages_list_statements = @new_statement_list;
2742 }
2743
2744
2745 sub parse_package_info {
2746     my ($baseurl, $dist, $section, $session_id)= @_;
2747     my ($package);
2748     if (not defined $session_id) { $session_id = 0; }
2749     my ($path) = ($baseurl =~ m%://[^/]*(.*)$%);
2750     $repo_dirs{ "${repo_path}/pool" } = 1;
2751
2752     foreach $package ("Packages.gz"){
2753         daemon_log("$session_id DEBUG: create_packages_list: fetch $baseurl, $dist, $section", 7);
2754         get_package( "$baseurl/dists/$dist/$section/binary-$arch/$package", "$outdir/$dist/$section", $session_id );
2755         parse_package( "$outdir/$dist/$section", $dist, $path, $session_id );
2756     }
2757
2758 }
2759
2760
2761 sub get_package {
2762     my ($url, $dest, $session_id)= @_;
2763     if (not defined $session_id) { $session_id = 0; }
2764
2765     my $tpath = dirname($dest);
2766     -d "$tpath" || mkpath "$tpath";
2767
2768     # This is ugly, but I've no time to take a look at "how it works in perl"
2769     if(0 == system("wget '$url' -O '$dest' 2>/dev/null") ) {
2770         system("gunzip -cd '$dest' > '$dest.in'");
2771         daemon_log("$session_id DEBUG: run command: gunzip -cd '$dest' > '$dest.in'", 5);
2772         unlink($dest);
2773         daemon_log("$session_id DEBUG: delete file '$dest'", 5);
2774     } else {
2775         daemon_log("$session_id ERROR: create_packages_list_db: get_packages: fetching '$url' failed!", 1);
2776     }
2777     return 0;
2778 }
2779
2780
2781 sub parse_package {
2782     my ($path, $dist, $srv_path, $session_id)= @_;
2783     if (not defined $session_id) { $session_id = 0;}
2784     my ($package, $version, $section, $description);
2785     my $PACKAGES;
2786     my $timestamp = &get_time();
2787
2788     if(not stat("$path.in")) {
2789         daemon_log("$session_id ERROR: create_packages_list: parse_package: file '$path.in' is not readable",1);
2790         return;
2791     }
2792
2793     open($PACKAGES, "<$path.in");
2794     if(not defined($PACKAGES)) {
2795         daemon_log("$session_id ERROR: create_packages_list_db: parse_package: cannot open '$path.in'",1);
2796         return;
2797     }
2798
2799     # Read lines
2800     while (<$PACKAGES>){
2801         my $line = $_;
2802         # Unify
2803         chop($line);
2804
2805         # Use empty lines as a trigger
2806         if ($line =~ /^\s*$/){
2807             my $sql = "INSERT INTO packages_list VALUES ('$dist', '$package', '$version', '$section', '$description', '', '$timestamp')";
2808             push(@packages_list_statements, $sql);
2809             $package = "none";
2810             $version = "none";
2811             $section = "none";
2812             $description = "none";
2813             next;
2814         }
2815
2816         # Trigger for package name
2817         if ($line =~ /^Package:\s/){
2818             ($package)= ($line =~ /^Package: (.*)$/);
2819             next;
2820         }
2821
2822         # Trigger for version
2823         if ($line =~ /^Version:\s/){
2824             ($version)= ($line =~ /^Version: (.*)$/);
2825             next;
2826         }
2827
2828         # Trigger for description
2829         if ($line =~ /^Description:\s/){
2830             ($description)= &encode_base64(($line =~ /^Description: (.*)$/));
2831             next;
2832         }
2833
2834         # Trigger for section
2835         if ($line =~ /^Section:\s/){
2836             ($section)= ($line =~ /^Section: (.*)$/);
2837             next;
2838         }
2839
2840         # Trigger for filename
2841         if ($line =~ /^Filename:\s/){
2842             my ($filename) = ($line =~ /^Filename: (.*)$/);
2843             store_fileinfo( $package, $filename, $dist, $srv_path, $version, $repo_path );
2844             next;
2845         }
2846     }
2847
2848     close( $PACKAGES );
2849     unlink( "$path.in" );
2850 }
2851
2852
2853 sub store_fileinfo {
2854     my( $package, $file, $dist, $path, $vers, $srvdir) = @_;
2855
2856     my %fileinfo = (
2857         'package' => $package,
2858         'dist' => $dist,
2859         'version' => $vers,
2860     );
2861
2862     $repo_files{ "${srvdir}/$file" } = \%fileinfo;
2863 }
2864
2865
2866 sub cleanup_and_extract {
2867     my $fileinfo = $repo_files{ $File::Find::name };
2868
2869     if( defined $fileinfo ) {
2870
2871         my $dir = "$outdir/$fileinfo->{ 'dist' }/debconf.d";
2872         my $sql;
2873         my $package = $fileinfo->{ 'package' };
2874         my $newver = $fileinfo->{ 'version' };
2875
2876         mkpath($dir);
2877         system( "dpkg -e '$File::Find::name' '$dir/DEBIAN'" );
2878
2879                 if( -f "$dir/DEBIAN/templates" ) {
2880
2881                         daemon_log("DEBUG: Found debconf templates in '$package' - $newver", 7);
2882
2883                         my $tmpl= "";
2884                         {
2885                                 local $/=undef;
2886                                 open FILE, "$dir/DEBIAN/templates";
2887                                 $tmpl = &encode_base64(<FILE>);
2888                                 close FILE;
2889                         }
2890                         rmtree("$dir/DEBIAN/templates");
2891
2892                         $sql= "update $main::packages_list_tn set template = '$tmpl' where package = '$package' and version = '$newver';";
2893                 push @packages_list_statements, $sql;
2894                 }
2895     }
2896
2897     return;
2898 }
2899
2900
2901 sub register_at_foreign_servers {
2902     my ($kernel) = $_[KERNEL];
2903
2904     # hole alle bekannten server aus known_server_db
2905     my $server_sql = "SELECT * FROM $known_server_tn";
2906     my $server_res = $known_server_db->exec_statement($server_sql);
2907
2908     # no entries in known_server_db
2909     if (not ref(@$server_res[0]) eq "ARRAY") {
2910         # TODO
2911     }
2912
2913     # detect already connected clients
2914     my $client_sql = "SELECT * FROM $known_clients_tn";
2915     my $client_res = $known_clients_db->exec_statement($client_sql);
2916
2917     # send my server details to all other gosa-si-server within the network
2918     foreach my $hit (@$server_res) {
2919         my $hostname = @$hit[0];
2920         my $hostkey = &create_passwd;
2921
2922         # add already connected clients to registration message
2923         my $myhash = &create_xml_hash('new_server', $server_address, $hostname);
2924         &add_content2xml_hash($myhash, 'key', $hostkey);
2925         map(&add_content2xml_hash($myhash, 'client', @{$_}[0].",".@{$_}[4]), @$client_res);
2926
2927         # build registration message and send it
2928         my $foreign_server_msg = &create_xml_string($myhash);
2929         my $error = &send_msg_to_target($foreign_server_msg, $hostname, $ServerPackages_key, "new_server", 0);
2930     }
2931
2932     $kernel->delay_set("register_at_foreign_servers", $foreign_servers_register_delay);
2933     return;
2934 }
2935
2936
2937 #==== MAIN = main ==============================================================
2938 #  parse commandline options
2939 Getopt::Long::Configure( "bundling" );
2940 GetOptions("h|help" => \&usage,
2941         "c|config=s" => \$cfg_file,
2942         "f|foreground" => \$foreground,
2943         "v|verbose+" => \$verbose,
2944         "no-arp+" => \$no_arp,
2945            );
2946
2947 #  read and set config parameters
2948 &check_cmdline_param ;
2949 &read_configfile($cfg_file, %cfg_defaults);
2950 &check_pid;
2951
2952 $SIG{CHLD} = 'IGNORE';
2953
2954 # forward error messages to logfile
2955 if( ! $foreground ) {
2956   open( STDIN,  '+>/dev/null' );
2957   open( STDOUT, '+>&STDIN'    );
2958   open( STDERR, '+>&STDIN'    );
2959 }
2960
2961 # Just fork, if we are not in foreground mode
2962 if( ! $foreground ) {
2963     chdir '/'                 or die "Can't chdir to /: $!";
2964     $pid = fork;
2965     setsid                    or die "Can't start a new session: $!";
2966     umask 0;
2967 } else {
2968     $pid = $$;
2969 }
2970
2971 # Do something useful - put our PID into the pid_file
2972 if( 0 != $pid ) {
2973     open( LOCK_FILE, ">$pid_file" );
2974     print LOCK_FILE "$pid\n";
2975     close( LOCK_FILE );
2976     if( !$foreground ) {
2977         exit( 0 )
2978     };
2979 }
2980
2981 # parse head url and revision from svn
2982 my $server_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
2983 $server_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
2984 $server_headURL = defined $1 ? $1 : 'unknown' ;
2985 $server_revision = defined $2 ? $2 : 'unknown' ;
2986 if ($server_headURL =~ /\/tag\// ||
2987         $server_headURL =~ /\/branches\// ) {
2988     $server_status = "stable";
2989 } else {
2990     $server_status = "developmental" ;
2991 }
2992
2993
2994 daemon_log(" ", 1);
2995 daemon_log("$0 started!", 1);
2996 daemon_log("status: $server_status", 1);
2997 daemon_log($server_status_hash->{$server_status}.": $server_revision", 1);
2998
2999 # connect to incoming_db
3000 unlink($incoming_file_name);
3001 $incoming_db = GOSA::DBsqlite->new($incoming_file_name);
3002 $incoming_db->create_table($incoming_tn, \@incoming_col_names);
3003
3004 # connect to gosa-si job queue
3005 $job_db = GOSA::DBsqlite->new($job_queue_file_name);
3006 $job_db->create_table($job_queue_tn, \@job_queue_col_names);
3007
3008 # connect to known_clients_db
3009 $known_clients_db = GOSA::DBsqlite->new($known_clients_file_name);
3010 $known_clients_db->create_table($known_clients_tn, \@known_clients_col_names);
3011
3012 # connect to foreign_clients_db
3013 $foreign_clients_db = GOSA::DBsqlite->new($foreign_clients_file_name);
3014 $foreign_clients_db->create_table($foreign_clients_tn, \@foreign_clients_col_names);
3015
3016 # connect to known_server_db
3017 unlink($known_server_file_name);
3018 $known_server_db = GOSA::DBsqlite->new($known_server_file_name);
3019 $known_server_db->create_table($known_server_tn, \@known_server_col_names);
3020
3021 # connect to login_usr_db
3022 $login_users_db = GOSA::DBsqlite->new($login_users_file_name);
3023 $login_users_db->create_table($login_users_tn, \@login_users_col_names);
3024
3025 # connect to fai_server_db and fai_release_db
3026 unlink($fai_server_file_name);
3027 $fai_server_db = GOSA::DBsqlite->new($fai_server_file_name);
3028 $fai_server_db->create_table($fai_server_tn, \@fai_server_col_names);
3029
3030 unlink($fai_release_file_name);
3031 $fai_release_db = GOSA::DBsqlite->new($fai_release_file_name);
3032 $fai_release_db->create_table($fai_release_tn, \@fai_release_col_names);
3033
3034 # connect to packages_list_db
3035 #unlink($packages_list_file_name);
3036 unlink($packages_list_under_construction);
3037 $packages_list_db = GOSA::DBsqlite->new($packages_list_file_name);
3038 $packages_list_db->create_table($packages_list_tn, \@packages_list_col_names);
3039
3040 # connect to messaging_db
3041 $messaging_db = GOSA::DBsqlite->new($messaging_file_name);
3042 $messaging_db->create_table($messaging_tn, \@messaging_col_names);
3043
3044
3045 # create xml object used for en/decrypting
3046 $xml = new XML::Simple();
3047
3048
3049 # foreign servers
3050 my @foreign_server_list;
3051
3052 # add foreign server from cfg file
3053 if ($foreign_server_string ne "") {
3054     my @cfg_foreign_server_list = split(",", $foreign_server_string);
3055     foreach my $foreign_server (@cfg_foreign_server_list) {
3056         push(@foreign_server_list, $foreign_server);
3057     }
3058 }
3059
3060 # add foreign server from dns
3061 my @tmp_servers;
3062 if ( !$server_domain) {
3063     # Try our DNS Searchlist
3064     for my $domain(get_dns_domains()) {
3065         chomp($domain);
3066         my @tmp_domains= &get_server_addresses($domain);
3067         if(@tmp_domains) {
3068             for my $tmp_server(@tmp_domains) {
3069                 push @tmp_servers, $tmp_server;
3070             }
3071         }
3072     }
3073     if(@tmp_servers && length(@tmp_servers)==0) {
3074         daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3075     }
3076 } else {
3077     @tmp_servers = &get_server_addresses($server_domain);
3078     if( 0 == @tmp_servers ) {
3079         daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3080     }
3081 }
3082 foreach my $server (@tmp_servers) {
3083     unshift(@foreign_server_list, $server);
3084 }
3085 # eliminate duplicate entries
3086 @foreign_server_list = &del_doubles(@foreign_server_list);
3087 my $all_foreign_server = join(", ", @foreign_server_list);
3088 daemon_log("0 INFO: found foreign server in config file and DNS: $all_foreign_server", 5);
3089
3090 # add all found foreign servers to known_server
3091 my $act_timestamp = &get_time();
3092 foreach my $foreign_server (@foreign_server_list) {
3093
3094         # do not add myself to known_server_db
3095         if (&is_local($foreign_server)) { next; }
3096         ######################################
3097
3098     my $res = $known_server_db->add_dbentry( {table=>$known_server_tn,
3099             primkey=>['hostname'],
3100             hostname=>$foreign_server,
3101             status=>'not_jet_registered',
3102             hostkey=>"none",
3103             timestamp=>$act_timestamp,
3104             } );
3105 }
3106
3107
3108 # Import all modules
3109 &import_modules;
3110
3111 # Check wether all modules are gosa-si valid passwd check
3112 &password_check;
3113
3114 # Prepare for using Opsi
3115 if ($opsi_enabled eq "true") {
3116     use JSON::RPC::Client;
3117     use XML::Quote qw(:all);
3118     $opsi_url= "https://".$opsi_admin.":".$opsi_password."@".$opsi_server.":4447/rpc";
3119     $opsi_client = new JSON::RPC::Client;
3120 }
3121
3122
3123 POE::Component::Server::TCP->new(
3124     Alias => "TCP_SERVER",
3125         Port => $server_port,
3126         ClientInput => sub {
3127         my ($kernel, $input) = @_[KERNEL, ARG0];
3128         push(@tasks, $input);
3129         push(@msgs_to_decrypt, $input);
3130         $kernel->yield("msg_to_decrypt");
3131         },
3132     InlineStates => {
3133         msg_to_decrypt => \&msg_to_decrypt,
3134         next_task => \&next_task,
3135         task_result => \&handle_task_result,
3136         task_done   => \&handle_task_done,
3137         task_debug  => \&handle_task_debug,
3138         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3139     }
3140 );
3141
3142 daemon_log("start socket for incoming xml messages at port '$server_port' ", 1);
3143
3144 # create session for repeatedly checking the job queue for jobs
3145 POE::Session->create(
3146         inline_states => {
3147                 _start => \&session_start,
3148         register_at_foreign_servers => \&register_at_foreign_servers,
3149         sig_handler => \&sig_handler,
3150         next_task => \&next_task,
3151         task_result => \&handle_task_result,
3152         task_done   => \&handle_task_done,
3153         task_debug  => \&handle_task_debug,
3154         watch_for_next_tasks => \&watch_for_next_tasks,
3155         watch_for_new_messages => \&watch_for_new_messages,
3156         watch_for_delivery_messages => \&watch_for_delivery_messages,
3157         watch_for_done_messages => \&watch_for_done_messages,
3158                 watch_for_new_jobs => \&watch_for_new_jobs,
3159         watch_for_modified_jobs => \&watch_for_modified_jobs,
3160         watch_for_done_jobs => \&watch_for_done_jobs,
3161         watch_for_opsi_jobs => \&watch_for_opsi_jobs,
3162         watch_for_old_known_clients => \&watch_for_old_known_clients,
3163         create_packages_list_db => \&run_create_packages_list_db,
3164         create_fai_server_db => \&run_create_fai_server_db,
3165         create_fai_release_db => \&run_create_fai_release_db,
3166                 recreate_packages_db => \&run_recreate_packages_db,
3167         session_run_result => \&session_run_result,
3168         session_run_debug => \&session_run_debug,
3169         session_run_done => \&session_run_done,
3170         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3171         }
3172 );
3173
3174
3175 POE::Kernel->run();
3176 exit;
3177