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         # Determine current parameters of the job
1512         my $hostId = $hit->{'plainname'};
1513         my $macaddress = $hit->{'macaddress'};
1514         my $progress = $hit->{'progress'};
1515
1516         # Ask OPSI for an update of the running jobs
1517         my $result= {};
1518
1519         # For hosts, only return the products that are or get installed
1520         my $callobj;
1521         $callobj = {
1522             method  => 'getProductStates_hash',
1523             params  => [ $hostId ],
1524             id  => 1,
1525         };
1526
1527         my $hres = $opsi_client->call($opsi_url, $callobj);
1528         if (&check_opsi_res($hres)){
1529             my $htmp= $hres->result->{$hostId};
1530
1531             # check state != not_installed or action == setup -> load and add
1532             my $products= 0;
1533             my $installed= 0;
1534             my $error= 0;
1535             foreach my $product (@{$htmp}){
1536
1537                 if ($product->{'installationStatus'} ne "not_installed" or
1538                         $product->{'actionRequest'} eq "setup"){
1539
1540                     # Increase number of products for this host
1541                     $products++;
1542
1543                     if ($product->{'installationStatus'} eq "failed"){
1544                         $result->{$product->{'productId'}}= "error";
1545                         $error++;
1546                     }
1547                     if ($product->{'installationStatus'} eq "installed" && $product->{'actionRequest'}  eq "none"){
1548                         $result->{$product->{'productId'}}= "installed";
1549                         $installed++;
1550                     }
1551                     if ($product->{'installationStatus'} eq "installing"){
1552                         $result->{$product->{'productId'}}= "installing";
1553                     }
1554                 }
1555             }
1556
1557         # Estimate "rough" progress
1558             $result->{'progress'}= int($installed * 100 / $products);
1559         }
1560
1561 print STDERR Dumper($result);
1562
1563         # Set updates to job queue
1564         my $act_status = "none";
1565         my $error = 0;
1566         my $installing = 0;
1567         my $installed;
1568         my @installed_list;
1569         my @error_list;
1570         while (my ($product, $status) = each %$result) {
1571             if ($product eq "progress") { next; };
1572             if ($status eq "installed" && (not $error)) {
1573                unshift(@installed_list, $product);
1574                 $installed++;
1575             } elsif ($status eq "installing" && (not $error)) {
1576                 $installing++;
1577                 $act_status = "$status - $product";
1578             } elsif ($status eq "error") {
1579                 $error++;
1580                 unshift(@error_list, $product);
1581             }
1582         }
1583         if ((not $error) && (not $installing) && ($installed)) {
1584             $act_status = "installed - ".join(", ", @installed_list);
1585         }
1586         if ($error) {
1587             $act_status = "error - ".join(", ", @error_list);
1588         }
1589         if ($progress ne $result->{'progress'} ) {
1590             my $update_statement = "UPDATE $job_queue_tn SET progress='".$result->{'progress'}."', result='$act_status', modified='1' WHERE macaddress='$macaddress'";
1591             my $update_res = $job_db->update_dbentry($update_statement);
1592         }
1593
1594     }
1595
1596     $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay);
1597 }
1598
1599
1600 # if a job got an update or was modified anyway, send to all other si-server an update message
1601 # of this jobs
1602 sub watch_for_modified_jobs {
1603     my ($kernel,$heap) = @_[KERNEL, HEAP];
1604
1605     my $sql_statement = "SELECT * FROM $job_queue_tn WHERE ((siserver='localhost') AND (modified='1'))";
1606     my $res = $job_db->select_dbentry( $sql_statement );
1607
1608     # if db contains no jobs which should be update, do nothing
1609     if (keys %$res != 0) {
1610
1611         if ($job_synchronization  eq "true") {
1612             # make out of the db result a gosa-si message
1613             my $update_msg = &db_res2si_msg ($res, "foreign_job_updates", "KNOWN_SERVER", "MY_LOCAL_ADDRESS");
1614
1615             # update all other SI-server
1616             &inform_all_other_si_server($update_msg);
1617         }
1618
1619         # set jobs all jobs to modified = 0, wait until the next modification for updates of other si-server
1620         $sql_statement = "UPDATE $job_queue_tn SET modified='0' ";
1621         $res = $job_db->update_dbentry($sql_statement);
1622     }
1623
1624     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay);
1625 }
1626
1627
1628 sub watch_for_new_jobs {
1629         if($watch_for_new_jobs_in_progress == 0) {
1630                 $watch_for_new_jobs_in_progress = 1;
1631                 my ($kernel,$heap) = @_[KERNEL, HEAP];
1632
1633                 # check gosa job quaeue for jobs with executable timestamp
1634                 my $timestamp = &get_time();
1635                 my $sql_statement = "SELECT * FROM $job_queue_tn WHERE status='waiting' AND (CAST (timestamp AS INTEGER)) < $timestamp ORDER BY timestamp";
1636                 my $res = $job_db->exec_statement( $sql_statement );
1637
1638                 # Merge all new jobs that would do the same actions
1639                 my @drops;
1640                 my $hits;
1641                 foreach my $hit (reverse @{$res} ) {
1642                         my $macaddress= lc @{$hit}[8];
1643                         my $headertag= @{$hit}[5];
1644                         if(
1645                                 defined($hits->{$macaddress}) &&
1646                                 defined($hits->{$macaddress}->{$headertag}) &&
1647                                 defined($hits->{$macaddress}->{$headertag}[0])
1648                         ) {
1649                                 push @drops, "DELETE FROM $job_queue_tn WHERE id = $hits->{$macaddress}->{$headertag}[0]";
1650                         }
1651                         $hits->{$macaddress}->{$headertag}= $hit;
1652                 }
1653
1654                 # Delete new jobs with a matching job in state 'processing'
1655                 foreach my $macaddress (keys %{$hits}) {
1656                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1657                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1658                                 if(defined($jobdb_id)) {
1659                                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND headertag='$jobdb_headertag' AND status='processing'";
1660                                         my $res = $job_db->exec_statement( $sql_statement );
1661                                         foreach my $hit (@{$res}) {
1662                                                 push @drops, "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1663                                         }
1664                                 } else {
1665                                         daemon_log("J ERROR: Job without id exists for macaddress $macaddress!", 1);
1666                                 }
1667                         }
1668                 }
1669
1670                 # Commit deletion
1671                 $job_db->exec_statementlist(\@drops);
1672
1673                 # Look for new jobs that could be executed
1674                 foreach my $macaddress (keys %{$hits}) {
1675
1676                         # Look if there is an executing job
1677                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND status='processing'";
1678                         my $res = $job_db->exec_statement( $sql_statement );
1679
1680                         # Skip new jobs for host if there is a processing job
1681                         if(defined($res) and defined @{$res}[0]) {
1682                                 next;
1683                         }
1684
1685                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1686                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1687                                 if(defined($jobdb_id)) {
1688                                         my $job_msg = @{$hits->{$macaddress}->{$jobdb_headertag}}[7];
1689
1690                                         daemon_log("J DEBUG: its time to execute $job_msg", 7);
1691                                         my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$macaddress'";
1692                                         my $res_hash = $known_clients_db->select_dbentry( $sql_statement );
1693
1694                                         # expect macaddress is unique!!!!!!
1695                                         my $target = $res_hash->{1}->{hostname};
1696
1697                                         # change header
1698                                         $job_msg =~ s/<header>job_/<header>gosa_/;
1699
1700                                         # add sqlite_id
1701                                         $job_msg =~ s/<\/xml>$/<jobdb_id>$jobdb_id<\/jobdb_id><\/xml>/;
1702
1703                                         $job_msg =~ /<header>(\S+)<\/header>/;
1704                                         my $header = $1 ;
1705                                         my $func_error = &send_msg_to_target($job_msg, $server_address, $GosaPackages_key, $header, "J");
1706
1707                                         # update status in job queue to 'processing'
1708                                         $sql_statement = "UPDATE $job_queue_tn SET status='processing' WHERE id=$jobdb_id";
1709                                         my $res = $job_db->update_dbentry($sql_statement);
1710 # TODO: abfangen ob alles in ordnung ist oder nicht, wenn nicht error schmeißen
1711
1712                                         # We don't want parallel processing
1713                                         last;
1714                                 }
1715                         }
1716                 }
1717
1718                 $watch_for_new_jobs_in_progress = 0;
1719                 $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1720         }
1721 }
1722
1723
1724 sub watch_for_new_messages {
1725     my ($kernel,$heap) = @_[KERNEL, HEAP];
1726     my @coll_user_msg;   # collection list of outgoing messages
1727
1728     # check messaging_db for new incoming messages with executable timestamp
1729     my $timestamp = &get_time();
1730     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( (CAST(timestamp AS INTEGER))<$timestamp AND flag='n' AND direction='in' )";
1731     my $res = $messaging_db->exec_statement( $sql_statement );
1732         foreach my $hit (@{$res}) {
1733
1734         # create outgoing messages
1735         my $message_to = @{$hit}[3];
1736         # translate message_to to plain login name
1737         my @message_to_l = split(/,/, $message_to);
1738                 my %receiver_h;
1739                 foreach my $receiver (@message_to_l) {
1740                         if ($receiver =~ /^u_([\s\S]*)$/) {
1741                                 $receiver_h{$1} = 0;
1742                         } elsif ($receiver =~ /^g_([\s\S]*)$/) {
1743                                 my $group_name = $1;
1744                                 # fetch all group members from ldap and add them to receiver hash
1745                                 my $ldap_handle = &get_ldap_handle();
1746                                 if (defined $ldap_handle) {
1747                                                 my $mesg = $ldap_handle->search(
1748                                                                                 base => $ldap_base,
1749                                                                                 scope => 'sub',
1750                                                                                 attrs => ['memberUid'],
1751                                                                                 filter => "cn=$group_name",
1752                                                                                 );
1753                                                 if ($mesg->count) {
1754                                                                 my @entries = $mesg->entries;
1755                                                                 foreach my $entry (@entries) {
1756                                                                                 my @receivers= $entry->get_value("memberUid");
1757                                                                                 foreach my $receiver (@receivers) {
1758                                                                                                 $receiver_h{$1} = 0;
1759                                                                                 }
1760                                                                 }
1761                                                 }
1762                                                 # translating errors ?
1763                                                 if ($mesg->code) {
1764                                                                 daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: $mesg->error", 1);
1765                                                 }
1766                                 # ldap handle error ?
1767                                 } else {
1768                                         daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: no ldap handle available", 1);
1769                                 }
1770                         } else {
1771                                 my $sbjct = &encode_base64(@{$hit}[1]);
1772                                 my $msg = &encode_base64(@{$hit}[7]);
1773                                 &daemon_log("M WARNING: unknown receiver '$receiver' for a user-message '$sbjct - $msg'", 3);
1774                         }
1775                 }
1776                 my @receiver_l = keys(%receiver_h);
1777
1778         my $message_id = @{$hit}[0];
1779
1780         #add each outgoing msg to messaging_db
1781         my $receiver;
1782         foreach $receiver (@receiver_l) {
1783             my $sql_statement = "INSERT INTO $messaging_tn (id, subject, message_from, message_to, flag, direction, delivery_time, message, timestamp) ".
1784                 "VALUES ('".
1785                 $message_id."', '".    # id
1786                 @{$hit}[1]."', '".     # subject
1787                 @{$hit}[2]."', '".     # message_from
1788                 $receiver."', '".      # message_to
1789                 "none"."', '".         # flag
1790                 "out"."', '".          # direction
1791                 @{$hit}[6]."', '".     # delivery_time
1792                 @{$hit}[7]."', '".     # message
1793                 $timestamp."'".     # timestamp
1794                 ")";
1795             &daemon_log("M DEBUG: $sql_statement", 1);
1796             my $res = $messaging_db->exec_statement($sql_statement);
1797             &daemon_log("M INFO: message '".@{$hit}[0]."' is prepared for delivery to receiver '$receiver'", 5);
1798         }
1799
1800         # set incoming message to flag d=deliverd
1801         $sql_statement = "UPDATE $messaging_tn SET flag='p' WHERE id='$message_id'";
1802         &daemon_log("M DEBUG: $sql_statement", 7);
1803         $res = $messaging_db->update_dbentry($sql_statement);
1804         &daemon_log("M INFO: message '$message_id' is set to flag 'p' (processed)", 5);
1805     }
1806
1807     $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1808     return;
1809 }
1810
1811 sub watch_for_delivery_messages {
1812     my ($kernel, $heap) = @_[KERNEL, HEAP];
1813
1814     # select outgoing messages
1815     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( flag='p' AND direction='out' )";
1816     #&daemon_log("0 DEBUG: $sql", 7);
1817     my $res = $messaging_db->exec_statement( $sql_statement );
1818
1819     # build out msg for each    usr
1820     foreach my $hit (@{$res}) {
1821         my $receiver = @{$hit}[3];
1822         my $msg_id = @{$hit}[0];
1823         my $subject = @{$hit}[1];
1824         my $message = @{$hit}[7];
1825
1826         # resolve usr -> host where usr is logged in
1827         my $sql = "SELECT * FROM $login_users_tn WHERE (user='$receiver')";
1828         #&daemon_log("0 DEBUG: $sql", 7);
1829         my $res = $login_users_db->exec_statement($sql);
1830
1831         # reciver is logged in nowhere
1832         if (not ref(@$res[0]) eq "ARRAY") { next; }
1833
1834                 my $send_succeed = 0;
1835                 foreach my $hit (@$res) {
1836                                 my $receiver_host = @$hit[0];
1837                                 &daemon_log("M DEBUG: user '$receiver' is logged in at host '$receiver_host'", 7);
1838
1839                                 # fetch key to encrypt msg propperly for usr/host
1840                                 my $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$receiver_host')";
1841                                 &daemon_log("0 DEBUG: $sql", 7);
1842                                 my $res = $known_clients_db->exec_statement($sql);
1843
1844                                 # host is already down
1845                                 if (not ref(@$res[0]) eq "ARRAY") { next; }
1846
1847                                 # host is on
1848                                 my $receiver_key = @{@{$res}[0]}[2];
1849                                 my %data = ('subject' => $subject, 'message' => $message, 'usr' => $receiver);
1850                                 my $out_msg = &build_msg("usr_msg", $server_address, $receiver_host, \%data );
1851                                 my $error = &send_msg_to_target($out_msg, $receiver_host, $receiver_key, "usr_msg", 0);
1852                                 if ($error == 0 ) {
1853                                         $send_succeed++ ;
1854                                 }
1855                 }
1856
1857                 if ($send_succeed) {
1858                                 # set outgoing msg at db to deliverd
1859                                 my $sql = "UPDATE $messaging_tn SET flag='d' WHERE (id='$msg_id' AND direction='out' AND message_to='$receiver')";
1860                                 &daemon_log("0 DEBUG: $sql", 7);
1861                                 my $res = $messaging_db->exec_statement($sql);
1862                 }
1863         }
1864
1865     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay);
1866     return;
1867 }
1868
1869
1870 sub watch_for_done_messages {
1871     my ($kernel,$heap) = @_[KERNEL, HEAP];
1872
1873     my $sql = "SELECT * FROM $messaging_tn WHERE (flag='p' AND direction='in')";
1874     #&daemon_log("0 DEBUG: $sql", 7);
1875     my $res = $messaging_db->exec_statement($sql);
1876
1877     foreach my $hit (@{$res}) {
1878         my $msg_id = @{$hit}[0];
1879
1880         my $sql = "SELECT * FROM $messaging_tn WHERE (id='$msg_id' AND direction='out' AND (NOT flag='s'))";
1881         #&daemon_log("0 DEBUG: $sql", 7);
1882         my $res = $messaging_db->exec_statement($sql);
1883
1884         # not all usr msgs have been seen till now
1885         if ( ref(@$res[0]) eq "ARRAY") { next; }
1886
1887         $sql = "DELETE FROM $messaging_tn WHERE (id='$msg_id')";
1888         #&daemon_log("0 DEBUG: $sql", 7);
1889         $res = $messaging_db->exec_statement($sql);
1890
1891     }
1892
1893     $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1894     return;
1895 }
1896
1897
1898 sub watch_for_old_known_clients {
1899     my ($kernel,$heap) = @_[KERNEL, HEAP];
1900
1901     my $sql_statement = "SELECT * FROM $known_clients_tn";
1902     my $res = $known_clients_db->select_dbentry( $sql_statement );
1903
1904     my $act_time = int(&get_time());
1905
1906     while ( my ($hit_num, $hit) = each %$res) {
1907         my $expired_timestamp = int($hit->{'timestamp'});
1908         $expired_timestamp =~ /(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)/;
1909         my $dt = DateTime->new( year   => $1,
1910                 month  => $2,
1911                 day    => $3,
1912                 hour   => $4,
1913                 minute => $5,
1914                 second => $6,
1915                 );
1916
1917         $dt->add( seconds => 2 * int($hit->{'keylifetime'}) );
1918         $expired_timestamp = $dt->ymd('').$dt->hms('')."\n";
1919         if ($act_time > $expired_timestamp) {
1920             my $hostname = $hit->{'hostname'};
1921             my $del_sql = "DELETE FROM $known_clients_tn WHERE hostname='$hostname'";
1922             my $del_res = $known_clients_db->exec_statement($del_sql);
1923
1924             &main::daemon_log("0 INFO: timestamp '".$hit->{'timestamp'}."' of client '$hostname' is expired('$expired_timestamp'), client will be deleted from known_clients_db", 5);
1925         }
1926
1927     }
1928
1929     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
1930 }
1931
1932
1933 sub watch_for_next_tasks {
1934     my ($kernel,$heap) = @_[KERNEL, HEAP];
1935
1936     my $sql = "SELECT * FROM $incoming_tn";
1937     my $res = $incoming_db->select_dbentry($sql);
1938
1939     while ( my ($hit_num, $hit) = each %$res) {
1940         my $headertag = $hit->{'headertag'};
1941         if ($headertag =~ /^answer_(\d+)/) {
1942             # do not start processing, this message is for a still running POE::Wheel
1943             next;
1944         }
1945         my $message_id = $hit->{'id'};
1946         $kernel->yield('next_task', $hit);
1947
1948         my $sql = "DELETE FROM $incoming_tn WHERE id=$message_id";
1949         my $res = $incoming_db->exec_statement($sql);
1950     }
1951
1952     $kernel->delay_set('watch_for_next_tasks', 0.1);
1953 }
1954
1955
1956 sub get_ldap_handle {
1957         my ($session_id) = @_;
1958         my $heap;
1959         my $ldap_handle;
1960
1961         if (not defined $session_id ) { $session_id = 0 };
1962         if ($session_id =~ /[^0-9]*/) { $session_id = 0 };
1963
1964         if ($session_id == 0) {
1965                 daemon_log("$session_id DEBUG: get_ldap_handle invoked without a session_id, create a new ldap_handle", 7);
1966                 $ldap_handle = Net::LDAP->new( $ldap_uri );
1967                 $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or daemon_log("$session_id ERROR: Bind to LDAP $ldap_uri as $ldap_admin_dn failed!");
1968
1969         } else {
1970                 my $session_reference = $global_kernel->ID_id_to_session($session_id);
1971                 if( defined $session_reference ) {
1972                         $heap = $session_reference->get_heap();
1973                 }
1974
1975                 if (not defined $heap) {
1976                         daemon_log("$session_id DEBUG: cannot get heap for session_id '$session_id'", 7);
1977                         return;
1978                 }
1979
1980                 # TODO: This "if" is nonsense, because it doesn't prove that the
1981                 #       used handle is still valid - or if we've to reconnect...
1982                 #if (not exists $heap->{ldap_handle}) {
1983                         $ldap_handle = Net::LDAP->new( $ldap_uri );
1984                         $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or daemon_log("$session_id ERROR: Bind to LDAP $ldap_uri as $ldap_admin_dn failed!");
1985                         $heap->{ldap_handle} = $ldap_handle;
1986                 #}
1987         }
1988         return $ldap_handle;
1989 }
1990
1991
1992 sub change_fai_state {
1993     my ($st, $targets, $session_id) = @_;
1994     $session_id = 0 if not defined $session_id;
1995     # Set FAI state to localboot
1996     my %mapActions= (
1997         reboot    => '',
1998         update    => 'softupdate',
1999         localboot => 'localboot',
2000         reinstall => 'install',
2001         rescan    => '',
2002         wake      => '',
2003         memcheck  => 'memcheck',
2004         sysinfo   => 'sysinfo',
2005         install   => 'install',
2006     );
2007
2008     # Return if this is unknown
2009     if (!exists $mapActions{ $st }){
2010         daemon_log("$session_id ERROR: unknown action '$st', can not translate ot FAIstate", 1);
2011       return;
2012     }
2013
2014     my $state= $mapActions{ $st };
2015
2016     my $ldap_handle = &get_ldap_handle($session_id);
2017     if( defined($ldap_handle) ) {
2018
2019       # Build search filter for hosts
2020         my $search= "(&(objectClass=GOhard)";
2021         foreach (@{$targets}){
2022             $search.= "(macAddress=$_)";
2023         }
2024         $search.= ")";
2025
2026       # If there's any host inside of the search string, procress them
2027         if (!($search =~ /macAddress/)){
2028             daemon_log("$session_id ERROR: no macAddress found in filter statement for LDAP search: '$search'", 1);
2029             return;
2030         }
2031
2032       # Perform search for Unit Tag
2033       my $mesg = $ldap_handle->search(
2034           base   => $ldap_base,
2035           scope  => 'sub',
2036           attrs  => ['dn', 'FAIstate', 'objectClass'],
2037           filter => "$search"
2038           );
2039
2040           if ($mesg->count) {
2041                   my @entries = $mesg->entries;
2042                   if (0 == @entries) {
2043                                   daemon_log("$session_id ERROR: ldap search failed: ldap_base=$ldap_base, filter=$search", 1);
2044                   }
2045
2046                   foreach my $entry (@entries) {
2047                           # Only modify entry if it is not set to '$state'
2048                           if ($entry->get_value("FAIstate") ne "$state"){
2049                                   daemon_log("$session_id INFO: Setting FAIstate to '$state' for ".$entry->dn, 5);
2050                                   my $result;
2051                                   my %tmp = map { $_ => 1 } $entry->get_value("objectClass");
2052                                   if (exists $tmp{'FAIobject'}){
2053                                           if ($state eq ''){
2054                                                   $result= $ldap_handle->modify($entry->dn, changes => [
2055                                                           delete => [ FAIstate => [] ] ]);
2056                                           } else {
2057                                                   $result= $ldap_handle->modify($entry->dn, changes => [
2058                                                           replace => [ FAIstate => $state ] ]);
2059                                           }
2060                                   } elsif ($state ne ''){
2061                                           $result= $ldap_handle->modify($entry->dn, changes => [
2062                                                   add     => [ objectClass => 'FAIobject' ],
2063                                                   add     => [ FAIstate => $state ] ]);
2064                                   }
2065
2066                                   # Errors?
2067                                   if ($result->code){
2068                                           daemon_log("$session_id Error: Setting FAIstate to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2069                                   }
2070                           } else {
2071                                   daemon_log("$session_id DEBUG FAIstate at host '".$entry->dn."' already at state '$st'", 7);
2072                           }
2073                   }
2074           } else {
2075                 daemon_log("$session_id ERROR: LDAP search failed: ldap_base=$ldap_base, filter=$search", 1);
2076           }
2077
2078     # if no ldap handle defined
2079     } else {
2080         daemon_log("$session_id ERROR: no LDAP handle defined for update FAIstate", 1);
2081     }
2082
2083         return;
2084 }
2085
2086
2087 sub change_goto_state {
2088     my ($st, $targets, $session_id) = @_;
2089     $session_id = 0  if not defined $session_id;
2090
2091     # Switch on or off?
2092     my $state= $st eq 'active' ? 'active': 'locked';
2093
2094     my $ldap_handle = &get_ldap_handle($session_id);
2095     if( defined($ldap_handle) ) {
2096
2097       # Build search filter for hosts
2098       my $search= "(&(objectClass=GOhard)";
2099       foreach (@{$targets}){
2100         $search.= "(macAddress=$_)";
2101       }
2102       $search.= ")";
2103
2104       # If there's any host inside of the search string, procress them
2105       if (!($search =~ /macAddress/)){
2106         return;
2107       }
2108
2109       # Perform search for Unit Tag
2110       my $mesg = $ldap_handle->search(
2111           base   => $ldap_base,
2112           scope  => 'sub',
2113           attrs  => ['dn', 'gotoMode'],
2114           filter => "$search"
2115           );
2116
2117       if ($mesg->count) {
2118         my @entries = $mesg->entries;
2119         foreach my $entry (@entries) {
2120
2121           # Only modify entry if it is not set to '$state'
2122           if ($entry->get_value("gotoMode") ne $state){
2123
2124             daemon_log("$session_id INFO: Setting gotoMode to '$state' for ".$entry->dn, 5);
2125             my $result;
2126             $result= $ldap_handle->modify($entry->dn, changes => [
2127                                                 replace => [ gotoMode => $state ] ]);
2128
2129             # Errors?
2130             if ($result->code){
2131               &daemon_log("$session_id Error: Setting gotoMode to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2132             }
2133
2134           }
2135         }
2136       } else {
2137                 daemon_log("$session_id ERROR: LDAP search failed in function change_goto_state: ldap_base=$ldap_base, filter=$search", 1);
2138           }
2139
2140     }
2141 }
2142
2143
2144 sub run_recreate_packages_db {
2145     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2146     my $session_id = $session->ID;
2147         &main::daemon_log("$session_id INFO: Recreating FAI Packages DB ('$fai_release_tn', '$fai_server_tn', '$packages_list_tn')", 5);
2148         $kernel->yield('create_fai_release_db', $fai_release_tn);
2149         $kernel->yield('create_fai_server_db', $fai_server_tn);
2150         return;
2151 }
2152
2153
2154 sub run_create_fai_server_db {
2155     my ($kernel, $session, $heap, $table_name) = @_[KERNEL, SESSION, HEAP, ARG0];
2156     my $session_id = $session->ID;
2157     my $task = POE::Wheel::Run->new(
2158             Program => sub { &create_fai_server_db($table_name,$kernel, undef, $session_id) },
2159             StdoutEvent  => "session_run_result",
2160             StderrEvent  => "session_run_debug",
2161             CloseEvent   => "session_run_done",
2162             );
2163
2164     $heap->{task}->{ $task->ID } = $task;
2165     return;
2166 }
2167
2168
2169 sub create_fai_server_db {
2170     my ($table_name, $kernel, $dont_create_packages_list, $session_id) = @_;
2171         my $result;
2172
2173         if (not defined $session_id) { $session_id = 0; }
2174     my $ldap_handle = &get_ldap_handle();
2175         if(defined($ldap_handle)) {
2176                 daemon_log("$session_id INFO: create_fai_server_db: start", 5);
2177                 my $mesg= $ldap_handle->search(
2178                         base   => $ldap_base,
2179                         scope  => 'sub',
2180                         attrs  => ['FAIrepository', 'gosaUnitTag'],
2181                         filter => "(&(FAIrepository=*)(objectClass=FAIrepositoryServer))",
2182                 );
2183                 if($mesg->{'resultCode'} == 0 &&
2184                    $mesg->count != 0) {
2185                    foreach my $entry (@{$mesg->{entries}}) {
2186                            if($entry->exists('FAIrepository')) {
2187                                    # Add an entry for each Repository configured for server
2188                                    foreach my $repo(@{$entry->get_value('FAIrepository', asref => 1)}) {
2189                                                    my($tmp_url,$tmp_server,$tmp_release,$tmp_sections) = split(/\|/, $repo);
2190                                                    my $tmp_tag= $entry->get_value('gosaUnitTag') || "";
2191                                                    $result= $fai_server_db->add_dbentry( {
2192                                                                    table => $table_name,
2193                                                                    primkey => ['server', 'release', 'tag'],
2194                                                                    server => $tmp_url,
2195                                                                    release => $tmp_release,
2196                                                                    sections => $tmp_sections,
2197                                                                    tag => (length($tmp_tag)>0)?$tmp_tag:"",
2198                                                            } );
2199                                            }
2200                                    }
2201                            }
2202                    }
2203                 daemon_log("$session_id INFO: create_fai_server_db: finished", 5);
2204
2205                 # TODO: Find a way to post the 'create_packages_list_db' event
2206                 if(not defined($dont_create_packages_list)) {
2207                         &create_packages_list_db(undef, undef, $session_id);
2208                 }
2209         }
2210
2211     $ldap_handle->disconnect;
2212         return $result;
2213 }
2214
2215
2216 sub run_create_fai_release_db {
2217     my ($session, $heap, $table_name) = @_[SESSION, HEAP, ARG0];
2218         my $session_id = $session->ID;
2219     my $task = POE::Wheel::Run->new(
2220             Program => sub { &create_fai_release_db($table_name, $session_id) },
2221             StdoutEvent  => "session_run_result",
2222             StderrEvent  => "session_run_debug",
2223             CloseEvent   => "session_run_done",
2224             );
2225
2226     $heap->{task}->{ $task->ID } = $task;
2227     return;
2228 }
2229
2230
2231 sub create_fai_release_db {
2232         my ($table_name, $session_id) = @_;
2233         my $result;
2234
2235     # used for logging
2236     if (not defined $session_id) { $session_id = 0; }
2237
2238     my $ldap_handle = &get_ldap_handle();
2239         if(defined($ldap_handle)) {
2240                 daemon_log("$session_id INFO: create_fai_release_db: start",5);
2241                 my $mesg= $ldap_handle->search(
2242                         base   => $ldap_base,
2243                         scope  => 'sub',
2244                         attrs  => [],
2245                         filter => "(&(objectClass=organizationalUnit)(ou=fai))",
2246                 );
2247                 if($mesg->{'resultCode'} == 0 &&
2248                         $mesg->count != 0) {
2249                         # Walk through all possible FAI container ou's
2250                         my @sql_list;
2251                         my $timestamp= &get_time();
2252                         foreach my $ou (@{$mesg->{entries}}) {
2253                                 my $tmp_classes= resolve_fai_classes($ou->dn, $ldap_handle, $session_id);
2254                                 if(defined($tmp_classes) && ref($tmp_classes) eq 'HASH') {
2255                                         my @tmp_array=get_fai_release_entries($tmp_classes);
2256                                         if(@tmp_array) {
2257                                                 foreach my $entry (@tmp_array) {
2258                                                         if(defined($entry) && ref($entry) eq 'HASH') {
2259                                                                 my $sql=
2260                                                                 "INSERT INTO $table_name "
2261                                                                 ."(timestamp, release, class, type, state) VALUES ("
2262                                                                 .$timestamp.","
2263                                                                 ."'".$entry->{'release'}."',"
2264                                                                 ."'".$entry->{'class'}."',"
2265                                                                 ."'".$entry->{'type'}."',"
2266                                                                 ."'".$entry->{'state'}."')";
2267                                                                 push @sql_list, $sql;
2268                                                         }
2269                                                 }
2270                                         }
2271                                 }
2272                         }
2273
2274                         daemon_log("$session_id DEBUG: Inserting ".scalar @sql_list." entries to DB",8);
2275                         if(@sql_list) {
2276                                 unshift @sql_list, "VACUUM";
2277                                 unshift @sql_list, "DELETE FROM $table_name";
2278                                 $fai_release_db->exec_statementlist(\@sql_list);
2279                         }
2280                         daemon_log("$session_id DEBUG: Done with inserting",7);
2281                 }
2282                 daemon_log("$session_id INFO: create_fai_release_db: finished",5);
2283         }
2284     $ldap_handle->disconnect;
2285         return $result;
2286 }
2287
2288 sub get_fai_types {
2289         my $tmp_classes = shift || return undef;
2290         my @result;
2291
2292         foreach my $type(keys %{$tmp_classes}) {
2293                 if(defined($tmp_classes->{$type}[0]) && (!($tmp_classes->{$type}[0] =~ /^.*?removed.*?$/))) {
2294                         my $entry = {
2295                                 type => $type,
2296                                 state => $tmp_classes->{$type}[0],
2297                         };
2298                         push @result, $entry;
2299                 }
2300         }
2301
2302         return @result;
2303 }
2304
2305 sub get_fai_state {
2306         my $result = "";
2307         my $tmp_classes = shift || return $result;
2308
2309         foreach my $type(keys %{$tmp_classes}) {
2310                 if(defined($tmp_classes->{$type}[0])) {
2311                         $result = $tmp_classes->{$type}[0];
2312
2313                 # State is equal for all types in class
2314                         last;
2315                 }
2316         }
2317
2318         return $result;
2319 }
2320
2321 sub resolve_fai_classes {
2322         my ($fai_base, $ldap_handle, $session_id) = @_;
2323         if (not defined $session_id) { $session_id = 0; }
2324         my $result;
2325         my @possible_fai_classes= ("FAIscript", "FAIhook", "FAIpartitionTable", "FAItemplate", "FAIvariable", "FAIprofile", "FAIpackageList");
2326         my $fai_filter= "(|(&(objectClass=FAIclass)(|(objectClass=".join(")(objectClass=", @possible_fai_classes).")))(objectClass=FAIbranch))";
2327         my $fai_classes;
2328
2329         daemon_log("$session_id DEBUG: Searching for FAI entries in base $fai_base",7);
2330         my $mesg= $ldap_handle->search(
2331                 base   => $fai_base,
2332                 scope  => 'sub',
2333                 attrs  => ['cn','objectClass','FAIstate'],
2334                 filter => $fai_filter,
2335         );
2336         daemon_log("$session_id DEBUG: Found ".$mesg->count()." FAI entries",7);
2337
2338         if($mesg->{'resultCode'} == 0 &&
2339                 $mesg->count != 0) {
2340                 foreach my $entry (@{$mesg->{entries}}) {
2341                         if($entry->exists('cn')) {
2342                                 my $tmp_dn= $entry->dn();
2343
2344                                 # Skip classname and ou dn parts for class
2345                                 my $tmp_release = ($1) if $tmp_dn =~ /^[^,]+,[^,]+,(.*?),$fai_base$/;
2346
2347                                 # Skip classes without releases
2348                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2349                                         next;
2350                                 }
2351
2352                                 my $tmp_cn= $entry->get_value('cn');
2353                                 my $tmp_state= $entry->get_value('FAIstate');
2354
2355                                 my $tmp_type;
2356                                 # Get FAI type
2357                                 for my $oclass(@{$entry->get_value('objectClass', asref => 1)}) {
2358                                         if(grep $_ eq $oclass, @possible_fai_classes) {
2359                                                 $tmp_type= $oclass;
2360                                                 last;
2361                                         }
2362                                 }
2363
2364                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2365                                         # A Subrelease
2366                                         my @sub_releases = split(/,/, $tmp_release);
2367
2368                                         # Walk through subreleases and build hash tree
2369                                         my $hash;
2370                                         while(my $tmp_sub_release = pop @sub_releases) {
2371                                                 $hash .= "\{'$tmp_sub_release'\}->";
2372                                         }
2373                                         eval('push @{$fai_classes->'.$hash.'{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";');
2374                                 } else {
2375                                         # A branch, no subrelease
2376                                         push @{$fai_classes->{$tmp_release}->{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";
2377                                 }
2378                         } elsif (!$entry->exists('cn')) {
2379                                 my $tmp_dn= $entry->dn();
2380                                 my $tmp_release = ($1) if $tmp_dn =~ /^(.*?),$fai_base$/;
2381
2382                                 # Skip classes without releases
2383                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2384                                         next;
2385                                 }
2386
2387                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2388                                         # A Subrelease
2389                                         my @sub_releases= split(/,/, $tmp_release);
2390
2391                                         # Walk through subreleases and build hash tree
2392                                         my $hash;
2393                                         while(my $tmp_sub_release = pop @sub_releases) {
2394                                                 $hash .= "\{'$tmp_sub_release'\}->";
2395                                         }
2396                                         # Remove the last two characters
2397                                         chop($hash);
2398                                         chop($hash);
2399
2400                                         eval('$fai_classes->'.$hash.'= {}');
2401                                 } else {
2402                                         # A branch, no subrelease
2403                                         if(!exists($fai_classes->{$tmp_release})) {
2404                                                 $fai_classes->{$tmp_release} = {};
2405                                         }
2406                                 }
2407                         }
2408                 }
2409
2410                 # The hash is complete, now we can honor the copy-on-write based missing entries
2411                 foreach my $release (keys %$fai_classes) {
2412                         $result->{$release}= deep_copy(apply_fai_inheritance($fai_classes->{$release}));
2413                 }
2414         }
2415         return $result;
2416 }
2417
2418 sub apply_fai_inheritance {
2419        my $fai_classes = shift || return {};
2420        my $tmp_classes;
2421
2422        # Get the classes from the branch
2423        foreach my $class (keys %{$fai_classes}) {
2424                # Skip subreleases
2425                if($class =~ /^ou=.*$/) {
2426                        next;
2427                } else {
2428                        $tmp_classes->{$class}= deep_copy($fai_classes->{$class});
2429                }
2430        }
2431
2432        # Apply to each subrelease
2433        foreach my $subrelease (keys %{$fai_classes}) {
2434                if($subrelease =~ /ou=/) {
2435                        foreach my $tmp_class (keys %{$tmp_classes}) {
2436                                if(!exists($fai_classes->{$subrelease}->{$tmp_class})) {
2437                                        $fai_classes->{$subrelease}->{$tmp_class} =
2438                                        deep_copy($tmp_classes->{$tmp_class});
2439                                } else {
2440                                        foreach my $type (keys %{$tmp_classes->{$tmp_class}}) {
2441                                                if(!exists($fai_classes->{$subrelease}->{$tmp_class}->{$type})) {
2442                                                        $fai_classes->{$subrelease}->{$tmp_class}->{$type}=
2443                                                        deep_copy($tmp_classes->{$tmp_class}->{$type});
2444                                                }
2445                                        }
2446                                }
2447                        }
2448                }
2449        }
2450
2451        # Find subreleases in deeper levels
2452        foreach my $subrelease (keys %{$fai_classes}) {
2453                if($subrelease =~ /ou=/) {
2454                        foreach my $subsubrelease (keys %{$fai_classes->{$subrelease}}) {
2455                                if($subsubrelease =~ /ou=/) {
2456                                        apply_fai_inheritance($fai_classes->{$subrelease});
2457                                }
2458                        }
2459                }
2460        }
2461
2462        return $fai_classes;
2463 }
2464
2465 sub get_fai_release_entries {
2466         my $tmp_classes = shift || return;
2467         my $parent = shift || "";
2468         my @result = shift || ();
2469
2470         foreach my $entry (keys %{$tmp_classes}) {
2471                 if(defined($entry)) {
2472                         if($entry =~ /^ou=.*$/) {
2473                                 my $release_name = $entry;
2474                                 $release_name =~ s/ou=//g;
2475                                 if(length($parent)>0) {
2476                                         $release_name = $parent."/".$release_name;
2477                                 }
2478                                 my @bufentries = get_fai_release_entries($tmp_classes->{$entry}, $release_name, @result);
2479                                 foreach my $bufentry(@bufentries) {
2480                                         push @result, $bufentry;
2481                                 }
2482                         } else {
2483                                 my @types = get_fai_types($tmp_classes->{$entry});
2484                                 foreach my $type (@types) {
2485                                         push @result,
2486                                         {
2487                                                 'class' => $entry,
2488                                                 'type' => $type->{'type'},
2489                                                 'release' => $parent,
2490                                                 'state' => $type->{'state'},
2491                                         };
2492                                 }
2493                         }
2494                 }
2495         }
2496
2497         return @result;
2498 }
2499
2500 sub deep_copy {
2501         my $this = shift;
2502         if (not ref $this) {
2503                 $this;
2504         } elsif (ref $this eq "ARRAY") {
2505                 [map deep_copy($_), @$this];
2506         } elsif (ref $this eq "HASH") {
2507                 +{map { $_ => deep_copy($this->{$_}) } keys %$this};
2508         } else { die "what type is $_?" }
2509 }
2510
2511
2512 sub session_run_result {
2513     my ($kernel, $heap, $client_answer) = @_[KERNEL, HEAP, ARG0];
2514     $kernel->sig(CHLD => "child_reap");
2515 }
2516
2517 sub session_run_debug {
2518     my $result = $_[ARG0];
2519     print STDERR "$result\n";
2520 }
2521
2522 sub session_run_done {
2523     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
2524     delete $heap->{task}->{$task_id};
2525 }
2526
2527
2528 sub create_sources_list {
2529         my $session_id = shift;
2530         my $ldap_handle = &main::get_ldap_handle;
2531         my $result="/tmp/gosa_si_tmp_sources_list";
2532
2533         # Remove old file
2534         if(stat($result)) {
2535                 unlink($result);
2536                 &main::daemon_log("$session_id DEBUG: remove an old version of '$result'", 7);
2537         }
2538
2539         my $fh;
2540         open($fh, ">$result");
2541         if (not defined $fh) {
2542                 &main::daemon_log("$session_id DEBUG: cannot open '$result' for writing", 7);
2543                 return undef;
2544         }
2545         if(defined($main::ldap_server_dn) and length($main::ldap_server_dn) > 0) {
2546                 my $mesg=$ldap_handle->search(
2547                         base    => $main::ldap_server_dn,
2548                         scope   => 'base',
2549                         attrs   => 'FAIrepository',
2550                         filter  => 'objectClass=FAIrepositoryServer'
2551                 );
2552                 if($mesg->count) {
2553                         foreach my $entry(@{$mesg->{'entries'}}) {
2554                                 foreach my $value(@{$entry->get_value('FAIrepository', asref => 1)}) {
2555                                         my ($server, $tag, $release, $sections)= split /\|/, $value;
2556                                         my $line = "deb $server $release";
2557                                         $sections =~ s/,/ /g;
2558                                         $line.= " $sections";
2559                                         print $fh $line."\n";
2560                                 }
2561                         }
2562                 }
2563         } else {
2564                 if (defined $main::ldap_server_dn){
2565                         &main::daemon_log("$session_id ERROR: something wrong with ldap_server_dn '$main::ldap_server_dn', abort create_sources_list", 1);
2566                 } else {
2567                         &main::daemon_log("$session_id ERROR: no ldap_server_dn found, abort create_sources_list", 1);
2568                 }
2569         }
2570         close($fh);
2571
2572         return $result;
2573 }
2574
2575
2576 sub run_create_packages_list_db {
2577     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2578         my $session_id = $session->ID;
2579
2580         my $task = POE::Wheel::Run->new(
2581                                         Priority => +20,
2582                                         Program => sub {&create_packages_list_db(undef, undef, $session_id)},
2583                                         StdoutEvent  => "session_run_result",
2584                                         StderrEvent  => "session_run_debug",
2585                                         CloseEvent   => "session_run_done",
2586                                         );
2587         $heap->{task}->{ $task->ID } = $task;
2588 }
2589
2590
2591 sub create_packages_list_db {
2592         my ($ldap_handle, $sources_file, $session_id) = @_;
2593
2594         # it should not be possible to trigger a recreation of packages_list_db
2595         # while packages_list_db is under construction, so set flag packages_list_under_construction
2596         # which is tested befor recreation can be started
2597         if (-r $packages_list_under_construction) {
2598                 daemon_log("$session_id WARNING: packages_list_db is right now under construction, please wait until this process is finished", 3);
2599                 return;
2600         } else {
2601                 daemon_log("$session_id INFO: create_packages_list_db: start", 5);
2602                 # set packages_list_under_construction to true
2603                 system("touch $packages_list_under_construction");
2604                 @packages_list_statements=();
2605         }
2606
2607         if (not defined $session_id) { $session_id = 0; }
2608         if (not defined $ldap_handle) {
2609                 $ldap_handle= &get_ldap_handle();
2610
2611                 if (not defined $ldap_handle) {
2612                         daemon_log("$session_id ERROR: no ldap_handle available to create_packages_list_db", 1);
2613                         unlink($packages_list_under_construction);
2614                         return;
2615                 }
2616         }
2617         if (not defined $sources_file) {
2618                 &main::daemon_log("$session_id INFO: no sources_file given for creating packages list so trigger creation of it", 5);
2619                 $sources_file = &create_sources_list($session_id);
2620         }
2621
2622         if (not defined $sources_file) {
2623                 &main::daemon_log("$session_id ERROR: no sources_file given under '$sources_file', skip create_packages_list_db", 1);
2624                 unlink($packages_list_under_construction);
2625                 return;
2626         }
2627
2628         my $line;
2629
2630         open(CONFIG, "<$sources_file") or do {
2631                 daemon_log( "$session_id ERROR: create_packages_list_db: Failed to open '$sources_file'", 1);
2632                 unlink($packages_list_under_construction);
2633                 return;
2634         };
2635
2636         # Read lines
2637         while ($line = <CONFIG>){
2638                 # Unify
2639                 chop($line);
2640                 $line =~ s/^\s+//;
2641                 $line =~ s/^\s+/ /;
2642
2643                 # Strip comments
2644                 $line =~ s/#.*$//g;
2645
2646                 # Skip empty lines
2647                 if ($line =~ /^\s*$/){
2648                         next;
2649                 }
2650
2651                 # Interpret deb line
2652                 if ($line =~ /^deb [^\s]+\s[^\s]+\s[^\s]+/){
2653                         my( $baseurl, $dist, $sections ) = ($line =~ /^deb\s([^\s]+)\s+([^\s]+)\s+(.*)$/);
2654                         my $section;
2655                         foreach $section (split(' ', $sections)){
2656                                 &parse_package_info( $baseurl, $dist, $section, $session_id );
2657                         }
2658                 }
2659         }
2660
2661         close (CONFIG);
2662
2663
2664         find(\&cleanup_and_extract, keys( %repo_dirs ));
2665         &main::strip_packages_list_statements();
2666         unshift @packages_list_statements, "VACUUM";
2667         $packages_list_db->exec_statementlist(\@packages_list_statements);
2668         unlink($packages_list_under_construction);
2669         daemon_log("$session_id INFO: create_packages_list_db: finished", 5);
2670         return;
2671 }
2672
2673 # This function should do some intensive task to minimize the db-traffic
2674 sub strip_packages_list_statements {
2675     my @existing_entries= @{$packages_list_db->exec_statement("SELECT * FROM $main::packages_list_tn")};
2676         my @new_statement_list=();
2677         my $hash;
2678         my $insert_hash;
2679         my $update_hash;
2680         my $delete_hash;
2681         my $local_timestamp=get_time();
2682
2683         foreach my $existing_entry (@existing_entries) {
2684                 $hash->{@{$existing_entry}[0]}->{@{$existing_entry}[1]}->{@{$existing_entry}[2]}= $existing_entry;
2685         }
2686
2687         foreach my $statement (@packages_list_statements) {
2688                 if($statement =~ /^INSERT/i) {
2689                         # Assign the values from the insert statement
2690                         my ($distribution,$package,$version,$section,$description,$template,$timestamp) = ($1,$2,$3,$4,$5,$6,$7) if $statement =~
2691                         /^INSERT\s+?INTO\s+?$main::packages_list_tn\s+?VALUES\s*?\('(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)'\s*?\)$/si;
2692                         if(exists($hash->{$distribution}->{$package}->{$version})) {
2693                                 # If section or description has changed, update the DB
2694                                 if(
2695                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[3] eq $section)) or
2696                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[4] eq $description))
2697                                 ) {
2698                                         @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,undef);
2699                                 }
2700                         } else {
2701                                 # Insert a non-existing entry to db
2702                                 @{$insert_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2703                         }
2704                 } elsif ($statement =~ /^UPDATE/i) {
2705                         my ($template,$package,$version) = ($1,$2,$3) if $statement =~
2706                         /^update\s+?$main::packages_list_tn\s+?set\s+?template\s*?=\s*?'(.*?)'\s+?where\s+?package\s*?=\s*?'(.*?)'\s+?and\s+?version\s*?=\s*?'(.*?)'\s*?;$/si;
2707                         foreach my $distribution (keys %{$hash}) {
2708                                 if(exists($insert_hash->{$distribution}->{$package}->{$version})) {
2709                                         # update the insertion hash to execute only one query per package (insert instead insert+update)
2710                                         @{$insert_hash->{$distribution}->{$package}->{$version}}[5]= $template;
2711                                 } elsif(exists($hash->{$distribution}->{$package}->{$version})) {
2712                                         if( ! (@{$hash->{$distribution}->{$package}->{$version}}[5] eq $template)) {
2713                                                 my $section;
2714                                                 my $description;
2715                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) and
2716                                                         length(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) > 0 ) {
2717                                                         $section= @{$update_hash->{$distribution}->{$package}->{$version}}[3];
2718                                                 }
2719                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2720                                                         $description= @{$update_hash->{$distribution}->{$package}->{$version}}[4];
2721                                                 }
2722                                                 @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2723                                         }
2724                                 }
2725                         }
2726                 }
2727         }
2728
2729         # TODO: Check for orphaned entries
2730
2731         # unroll the insert_hash
2732         foreach my $distribution (keys %{$insert_hash}) {
2733                 foreach my $package (keys %{$insert_hash->{$distribution}}) {
2734                         foreach my $version (keys %{$insert_hash->{$distribution}->{$package}}) {
2735                                 push @new_statement_list, "INSERT INTO $main::packages_list_tn VALUES ('$distribution','$package','$version',"
2736                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[3]',"
2737                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[4]',"
2738                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[5]',"
2739                                 ."'$local_timestamp')";
2740                         }
2741                 }
2742         }
2743
2744         # unroll the update hash
2745         foreach my $distribution (keys %{$update_hash}) {
2746                 foreach my $package (keys %{$update_hash->{$distribution}}) {
2747                         foreach my $version (keys %{$update_hash->{$distribution}->{$package}}) {
2748                                 my $set = "";
2749                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3])) {
2750                                         $set .= "section = '@{$update_hash->{$distribution}->{$package}->{$version}}[3]', ";
2751                                 }
2752                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2753                                         $set .= "description = '@{$update_hash->{$distribution}->{$package}->{$version}}[4]', ";
2754                                 }
2755                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[5])) {
2756                                         $set .= "template = '@{$update_hash->{$distribution}->{$package}->{$version}}[5]', ";
2757                                 }
2758                                 if(defined($set) and length($set) > 0) {
2759                                         $set .= "timestamp = '$local_timestamp'";
2760                                 } else {
2761                                         next;
2762                                 }
2763                                 push @new_statement_list,
2764                                         "UPDATE $main::packages_list_tn SET $set WHERE"
2765                                         ." distribution = '$distribution'"
2766                                         ." AND package = '$package'"
2767                                         ." AND version = '$version'";
2768                         }
2769                 }
2770         }
2771
2772         @packages_list_statements = @new_statement_list;
2773 }
2774
2775
2776 sub parse_package_info {
2777     my ($baseurl, $dist, $section, $session_id)= @_;
2778     my ($package);
2779     if (not defined $session_id) { $session_id = 0; }
2780     my ($path) = ($baseurl =~ m%://[^/]*(.*)$%);
2781     $repo_dirs{ "${repo_path}/pool" } = 1;
2782
2783     foreach $package ("Packages.gz"){
2784         daemon_log("$session_id DEBUG: create_packages_list: fetch $baseurl, $dist, $section", 7);
2785         get_package( "$baseurl/dists/$dist/$section/binary-$arch/$package", "$outdir/$dist/$section", $session_id );
2786         parse_package( "$outdir/$dist/$section", $dist, $path, $session_id );
2787     }
2788
2789 }
2790
2791
2792 sub get_package {
2793     my ($url, $dest, $session_id)= @_;
2794     if (not defined $session_id) { $session_id = 0; }
2795
2796     my $tpath = dirname($dest);
2797     -d "$tpath" || mkpath "$tpath";
2798
2799     # This is ugly, but I've no time to take a look at "how it works in perl"
2800     if(0 == system("wget '$url' -O '$dest' 2>/dev/null") ) {
2801         system("gunzip -cd '$dest' > '$dest.in'");
2802         daemon_log("$session_id DEBUG: run command: gunzip -cd '$dest' > '$dest.in'", 5);
2803         unlink($dest);
2804         daemon_log("$session_id DEBUG: delete file '$dest'", 5);
2805     } else {
2806         daemon_log("$session_id ERROR: create_packages_list_db: get_packages: fetching '$url' failed!", 1);
2807     }
2808     return 0;
2809 }
2810
2811
2812 sub parse_package {
2813     my ($path, $dist, $srv_path, $session_id)= @_;
2814     if (not defined $session_id) { $session_id = 0;}
2815     my ($package, $version, $section, $description);
2816     my $PACKAGES;
2817     my $timestamp = &get_time();
2818
2819     if(not stat("$path.in")) {
2820         daemon_log("$session_id ERROR: create_packages_list: parse_package: file '$path.in' is not readable",1);
2821         return;
2822     }
2823
2824     open($PACKAGES, "<$path.in");
2825     if(not defined($PACKAGES)) {
2826         daemon_log("$session_id ERROR: create_packages_list_db: parse_package: cannot open '$path.in'",1);
2827         return;
2828     }
2829
2830     # Read lines
2831     while (<$PACKAGES>){
2832         my $line = $_;
2833         # Unify
2834         chop($line);
2835
2836         # Use empty lines as a trigger
2837         if ($line =~ /^\s*$/){
2838             my $sql = "INSERT INTO packages_list VALUES ('$dist', '$package', '$version', '$section', '$description', '', '$timestamp')";
2839             push(@packages_list_statements, $sql);
2840             $package = "none";
2841             $version = "none";
2842             $section = "none";
2843             $description = "none";
2844             next;
2845         }
2846
2847         # Trigger for package name
2848         if ($line =~ /^Package:\s/){
2849             ($package)= ($line =~ /^Package: (.*)$/);
2850             next;
2851         }
2852
2853         # Trigger for version
2854         if ($line =~ /^Version:\s/){
2855             ($version)= ($line =~ /^Version: (.*)$/);
2856             next;
2857         }
2858
2859         # Trigger for description
2860         if ($line =~ /^Description:\s/){
2861             ($description)= &encode_base64(($line =~ /^Description: (.*)$/));
2862             next;
2863         }
2864
2865         # Trigger for section
2866         if ($line =~ /^Section:\s/){
2867             ($section)= ($line =~ /^Section: (.*)$/);
2868             next;
2869         }
2870
2871         # Trigger for filename
2872         if ($line =~ /^Filename:\s/){
2873             my ($filename) = ($line =~ /^Filename: (.*)$/);
2874             store_fileinfo( $package, $filename, $dist, $srv_path, $version, $repo_path );
2875             next;
2876         }
2877     }
2878
2879     close( $PACKAGES );
2880     unlink( "$path.in" );
2881 }
2882
2883
2884 sub store_fileinfo {
2885     my( $package, $file, $dist, $path, $vers, $srvdir) = @_;
2886
2887     my %fileinfo = (
2888         'package' => $package,
2889         'dist' => $dist,
2890         'version' => $vers,
2891     );
2892
2893     $repo_files{ "${srvdir}/$file" } = \%fileinfo;
2894 }
2895
2896
2897 sub cleanup_and_extract {
2898     my $fileinfo = $repo_files{ $File::Find::name };
2899
2900     if( defined $fileinfo ) {
2901
2902         my $dir = "$outdir/$fileinfo->{ 'dist' }/debconf.d";
2903         my $sql;
2904         my $package = $fileinfo->{ 'package' };
2905         my $newver = $fileinfo->{ 'version' };
2906
2907         mkpath($dir);
2908         system( "dpkg -e '$File::Find::name' '$dir/DEBIAN'" );
2909
2910                 if( -f "$dir/DEBIAN/templates" ) {
2911
2912                         daemon_log("DEBUG: Found debconf templates in '$package' - $newver", 7);
2913
2914                         my $tmpl= "";
2915                         {
2916                                 local $/=undef;
2917                                 open FILE, "$dir/DEBIAN/templates";
2918                                 $tmpl = &encode_base64(<FILE>);
2919                                 close FILE;
2920                         }
2921                         rmtree("$dir/DEBIAN/templates");
2922
2923                         $sql= "update $main::packages_list_tn set template = '$tmpl' where package = '$package' and version = '$newver';";
2924                 push @packages_list_statements, $sql;
2925                 }
2926     }
2927
2928     return;
2929 }
2930
2931
2932 sub register_at_foreign_servers {
2933     my ($kernel) = $_[KERNEL];
2934
2935     # hole alle bekannten server aus known_server_db
2936     my $server_sql = "SELECT * FROM $known_server_tn";
2937     my $server_res = $known_server_db->exec_statement($server_sql);
2938
2939     # no entries in known_server_db
2940     if (not ref(@$server_res[0]) eq "ARRAY") {
2941         # TODO
2942     }
2943
2944     # detect already connected clients
2945     my $client_sql = "SELECT * FROM $known_clients_tn";
2946     my $client_res = $known_clients_db->exec_statement($client_sql);
2947
2948     # send my server details to all other gosa-si-server within the network
2949     foreach my $hit (@$server_res) {
2950         my $hostname = @$hit[0];
2951         my $hostkey = &create_passwd;
2952
2953         # add already connected clients to registration message
2954         my $myhash = &create_xml_hash('new_server', $server_address, $hostname);
2955         &add_content2xml_hash($myhash, 'key', $hostkey);
2956         map(&add_content2xml_hash($myhash, 'client', @{$_}[0].",".@{$_}[4]), @$client_res);
2957
2958         # build registration message and send it
2959         my $foreign_server_msg = &create_xml_string($myhash);
2960         my $error = &send_msg_to_target($foreign_server_msg, $hostname, $ServerPackages_key, "new_server", 0);
2961     }
2962
2963     $kernel->delay_set("register_at_foreign_servers", $foreign_servers_register_delay);
2964     return;
2965 }
2966
2967
2968 #==== MAIN = main ==============================================================
2969 #  parse commandline options
2970 Getopt::Long::Configure( "bundling" );
2971 GetOptions("h|help" => \&usage,
2972         "c|config=s" => \$cfg_file,
2973         "f|foreground" => \$foreground,
2974         "v|verbose+" => \$verbose,
2975         "no-arp+" => \$no_arp,
2976            );
2977
2978 #  read and set config parameters
2979 &check_cmdline_param ;
2980 &read_configfile($cfg_file, %cfg_defaults);
2981 &check_pid;
2982
2983 $SIG{CHLD} = 'IGNORE';
2984
2985 # forward error messages to logfile
2986 if( ! $foreground ) {
2987   open( STDIN,  '+>/dev/null' );
2988   open( STDOUT, '+>&STDIN'    );
2989   open( STDERR, '+>&STDIN'    );
2990 }
2991
2992 # Just fork, if we are not in foreground mode
2993 if( ! $foreground ) {
2994     chdir '/'                 or die "Can't chdir to /: $!";
2995     $pid = fork;
2996     setsid                    or die "Can't start a new session: $!";
2997     umask 0;
2998 } else {
2999     $pid = $$;
3000 }
3001
3002 # Do something useful - put our PID into the pid_file
3003 if( 0 != $pid ) {
3004     open( LOCK_FILE, ">$pid_file" );
3005     print LOCK_FILE "$pid\n";
3006     close( LOCK_FILE );
3007     if( !$foreground ) {
3008         exit( 0 )
3009     };
3010 }
3011
3012 # parse head url and revision from svn
3013 my $server_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
3014 $server_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
3015 $server_headURL = defined $1 ? $1 : 'unknown' ;
3016 $server_revision = defined $2 ? $2 : 'unknown' ;
3017 if ($server_headURL =~ /\/tag\// ||
3018         $server_headURL =~ /\/branches\// ) {
3019     $server_status = "stable";
3020 } else {
3021     $server_status = "developmental" ;
3022 }
3023
3024
3025 daemon_log(" ", 1);
3026 daemon_log("$0 started!", 1);
3027 daemon_log("status: $server_status", 1);
3028 daemon_log($server_status_hash->{$server_status}.": $server_revision", 1);
3029
3030 # connect to incoming_db
3031 unlink($incoming_file_name);
3032 $incoming_db = GOSA::DBsqlite->new($incoming_file_name);
3033 $incoming_db->create_table($incoming_tn, \@incoming_col_names);
3034
3035 # connect to gosa-si job queue
3036 $job_db = GOSA::DBsqlite->new($job_queue_file_name);
3037 $job_db->create_table($job_queue_tn, \@job_queue_col_names);
3038
3039 # connect to known_clients_db
3040 $known_clients_db = GOSA::DBsqlite->new($known_clients_file_name);
3041 $known_clients_db->create_table($known_clients_tn, \@known_clients_col_names);
3042
3043 # connect to foreign_clients_db
3044 $foreign_clients_db = GOSA::DBsqlite->new($foreign_clients_file_name);
3045 $foreign_clients_db->create_table($foreign_clients_tn, \@foreign_clients_col_names);
3046
3047 # connect to known_server_db
3048 unlink($known_server_file_name);
3049 $known_server_db = GOSA::DBsqlite->new($known_server_file_name);
3050 $known_server_db->create_table($known_server_tn, \@known_server_col_names);
3051
3052 # connect to login_usr_db
3053 $login_users_db = GOSA::DBsqlite->new($login_users_file_name);
3054 $login_users_db->create_table($login_users_tn, \@login_users_col_names);
3055
3056 # connect to fai_server_db and fai_release_db
3057 unlink($fai_server_file_name);
3058 $fai_server_db = GOSA::DBsqlite->new($fai_server_file_name);
3059 $fai_server_db->create_table($fai_server_tn, \@fai_server_col_names);
3060
3061 unlink($fai_release_file_name);
3062 $fai_release_db = GOSA::DBsqlite->new($fai_release_file_name);
3063 $fai_release_db->create_table($fai_release_tn, \@fai_release_col_names);
3064
3065 # connect to packages_list_db
3066 #unlink($packages_list_file_name);
3067 unlink($packages_list_under_construction);
3068 $packages_list_db = GOSA::DBsqlite->new($packages_list_file_name);
3069 $packages_list_db->create_table($packages_list_tn, \@packages_list_col_names);
3070
3071 # connect to messaging_db
3072 $messaging_db = GOSA::DBsqlite->new($messaging_file_name);
3073 $messaging_db->create_table($messaging_tn, \@messaging_col_names);
3074
3075
3076 # create xml object used for en/decrypting
3077 $xml = new XML::Simple();
3078
3079
3080 # foreign servers
3081 my @foreign_server_list;
3082
3083 # add foreign server from cfg file
3084 if ($foreign_server_string ne "") {
3085     my @cfg_foreign_server_list = split(",", $foreign_server_string);
3086     foreach my $foreign_server (@cfg_foreign_server_list) {
3087         push(@foreign_server_list, $foreign_server);
3088     }
3089 }
3090
3091 # add foreign server from dns
3092 my @tmp_servers;
3093 if ( !$server_domain) {
3094     # Try our DNS Searchlist
3095     for my $domain(get_dns_domains()) {
3096         chomp($domain);
3097         my @tmp_domains= &get_server_addresses($domain);
3098         if(@tmp_domains) {
3099             for my $tmp_server(@tmp_domains) {
3100                 push @tmp_servers, $tmp_server;
3101             }
3102         }
3103     }
3104     if(@tmp_servers && length(@tmp_servers)==0) {
3105         daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3106     }
3107 } else {
3108     @tmp_servers = &get_server_addresses($server_domain);
3109     if( 0 == @tmp_servers ) {
3110         daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3111     }
3112 }
3113 foreach my $server (@tmp_servers) {
3114     unshift(@foreign_server_list, $server);
3115 }
3116 # eliminate duplicate entries
3117 @foreign_server_list = &del_doubles(@foreign_server_list);
3118 my $all_foreign_server = join(", ", @foreign_server_list);
3119 daemon_log("0 INFO: found foreign server in config file and DNS: $all_foreign_server", 5);
3120
3121 # add all found foreign servers to known_server
3122 my $act_timestamp = &get_time();
3123 foreach my $foreign_server (@foreign_server_list) {
3124
3125         # do not add myself to known_server_db
3126         if (&is_local($foreign_server)) { next; }
3127         ######################################
3128
3129     my $res = $known_server_db->add_dbentry( {table=>$known_server_tn,
3130             primkey=>['hostname'],
3131             hostname=>$foreign_server,
3132             status=>'not_jet_registered',
3133             hostkey=>"none",
3134             timestamp=>$act_timestamp,
3135             } );
3136 }
3137
3138
3139 # Import all modules
3140 &import_modules;
3141
3142 # Check wether all modules are gosa-si valid passwd check
3143 &password_check;
3144
3145 # Prepare for using Opsi
3146 if ($opsi_enabled eq "true") {
3147     use JSON::RPC::Client;
3148     use XML::Quote qw(:all);
3149     $opsi_url= "https://".$opsi_admin.":".$opsi_password."@".$opsi_server.":4447/rpc";
3150     $opsi_client = new JSON::RPC::Client;
3151 }
3152
3153
3154 POE::Component::Server::TCP->new(
3155     Alias => "TCP_SERVER",
3156         Port => $server_port,
3157         ClientInput => sub {
3158         my ($kernel, $input) = @_[KERNEL, ARG0];
3159         push(@tasks, $input);
3160         push(@msgs_to_decrypt, $input);
3161         $kernel->yield("msg_to_decrypt");
3162         },
3163     InlineStates => {
3164         msg_to_decrypt => \&msg_to_decrypt,
3165         next_task => \&next_task,
3166         task_result => \&handle_task_result,
3167         task_done   => \&handle_task_done,
3168         task_debug  => \&handle_task_debug,
3169         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3170     }
3171 );
3172
3173 daemon_log("start socket for incoming xml messages at port '$server_port' ", 1);
3174
3175 # create session for repeatedly checking the job queue for jobs
3176 POE::Session->create(
3177         inline_states => {
3178                 _start => \&session_start,
3179         register_at_foreign_servers => \&register_at_foreign_servers,
3180         sig_handler => \&sig_handler,
3181         next_task => \&next_task,
3182         task_result => \&handle_task_result,
3183         task_done   => \&handle_task_done,
3184         task_debug  => \&handle_task_debug,
3185         watch_for_next_tasks => \&watch_for_next_tasks,
3186         watch_for_new_messages => \&watch_for_new_messages,
3187         watch_for_delivery_messages => \&watch_for_delivery_messages,
3188         watch_for_done_messages => \&watch_for_done_messages,
3189                 watch_for_new_jobs => \&watch_for_new_jobs,
3190         watch_for_modified_jobs => \&watch_for_modified_jobs,
3191         watch_for_done_jobs => \&watch_for_done_jobs,
3192         watch_for_opsi_jobs => \&watch_for_opsi_jobs,
3193         watch_for_old_known_clients => \&watch_for_old_known_clients,
3194         create_packages_list_db => \&run_create_packages_list_db,
3195         create_fai_server_db => \&run_create_fai_server_db,
3196         create_fai_release_db => \&run_create_fai_release_db,
3197                 recreate_packages_db => \&run_recreate_packages_db,
3198         session_run_result => \&session_run_result,
3199         session_run_debug => \&session_run_debug,
3200         session_run_done => \&session_run_done,
3201         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3202         }
3203 );
3204
3205
3206 POE::Kernel->run();
3207 exit;
3208