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( $sql_statement );
1508
1509     # Ask OPSI for an update of the running jobs
1510     while (my ($id, $hit) = each %$res ) {
1511
1512         # Determine current parameters of the job
1513         my $hostId = $hit->{'plainname'};
1514         my $macaddress = $hit->{'macaddress'};
1515         my $progress = $hit->{'progress'};
1516
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 $installing = 0;
1535             my $error= 0;
1536             my @installed_list;
1537             my @error_list;
1538             my $act_status = "none";
1539             foreach my $product (@{$htmp}){
1540
1541                 if ($product->{'installationStatus'} ne "not_installed" or
1542                         $product->{'actionRequest'} eq "setup"){
1543
1544                     # Increase number of products for this host
1545                     $products++;
1546
1547                     if ($product->{'installationStatus'} eq "failed"){
1548                         $result->{$product->{'productId'}}= "error";
1549                         unshift(@error_list, $product->{'productId'});
1550                         $error++;
1551                     }
1552                     if ($product->{'installationStatus'} eq "installed" && $product->{'actionRequest'}  eq "none"){
1553                         $result->{$product->{'productId'}}= "installed";
1554                         unshift(@installed_list, $product->{'productId'});
1555                         $installed++;
1556                     }
1557                     if ($product->{'installationStatus'} eq "installing"){
1558                         $result->{$product->{'productId'}}= "installing";
1559                         $installing++;
1560                         $act_status = "installing - ".$product->{'productId'};
1561                     }
1562                 }
1563             }
1564
1565         # Estimate "rough" progress
1566             $result->{'progress'}= int($installed * 100 / $products);
1567
1568         # Set updates in job queue
1569             if ((not $error) && (not $installing) && ($installed)) {
1570                 $act_status = "installed - ".join(", ", @installed_list);
1571             }
1572             if ($error) {
1573                 $act_status = "error - ".join(", ", @error_list);
1574             }
1575             if ($progress ne $result->{'progress'} ) {
1576                 # Updating progress and result
1577                 my $update_statement = "UPDATE $job_queue_tn SET modified='1', ";
1578                 $update_statement .= "progress='".$result->{'progress'}."', result='$act_status' WHERE macaddress='$macaddress'";
1579                 my $update_res = $job_db->update_dbentry($update_statement);
1580             }
1581             if ($progress eq 100) {
1582                 # Updateing status
1583                 my $done_statement = "UPDATE $job_queue_tn SET modified='1', ";
1584                 if ($error) {
1585                     $done_statement .= "status='error'";
1586                 } else {
1587                     $done_statement .= "status='done'";
1588                 }
1589                 $done_statement .= " WHERE macaddress='$macaddress'";
1590                 my $done_res = $job_db->update_dbentry($done_statement);
1591             }
1592
1593
1594         }
1595     }
1596
1597     $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay);
1598 }
1599
1600
1601 # if a job got an update or was modified anyway, send to all other si-server an update message
1602 # of this jobs
1603 sub watch_for_modified_jobs {
1604     my ($kernel,$heap) = @_[KERNEL, HEAP];
1605
1606     my $sql_statement = "SELECT * FROM $job_queue_tn WHERE ((siserver='localhost') AND (modified='1'))";
1607     my $res = $job_db->select_dbentry( $sql_statement );
1608
1609     # if db contains no jobs which should be update, do nothing
1610     if (keys %$res != 0) {
1611
1612         if ($job_synchronization  eq "true") {
1613             # make out of the db result a gosa-si message
1614             my $update_msg = &db_res2si_msg ($res, "foreign_job_updates", "KNOWN_SERVER", "MY_LOCAL_ADDRESS");
1615
1616             # update all other SI-server
1617             &inform_all_other_si_server($update_msg);
1618         }
1619
1620         # set jobs all jobs to modified = 0, wait until the next modification for updates of other si-server
1621         $sql_statement = "UPDATE $job_queue_tn SET modified='0' ";
1622         $res = $job_db->update_dbentry($sql_statement);
1623     }
1624
1625     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay);
1626 }
1627
1628
1629 sub watch_for_new_jobs {
1630         if($watch_for_new_jobs_in_progress == 0) {
1631                 $watch_for_new_jobs_in_progress = 1;
1632                 my ($kernel,$heap) = @_[KERNEL, HEAP];
1633
1634                 # check gosa job quaeue for jobs with executable timestamp
1635                 my $timestamp = &get_time();
1636                 my $sql_statement = "SELECT * FROM $job_queue_tn WHERE status='waiting' AND (CAST (timestamp AS INTEGER)) < $timestamp ORDER BY timestamp";
1637                 my $res = $job_db->exec_statement( $sql_statement );
1638
1639                 # Merge all new jobs that would do the same actions
1640                 my @drops;
1641                 my $hits;
1642                 foreach my $hit (reverse @{$res} ) {
1643                         my $macaddress= lc @{$hit}[8];
1644                         my $headertag= @{$hit}[5];
1645                         if(
1646                                 defined($hits->{$macaddress}) &&
1647                                 defined($hits->{$macaddress}->{$headertag}) &&
1648                                 defined($hits->{$macaddress}->{$headertag}[0])
1649                         ) {
1650                                 push @drops, "DELETE FROM $job_queue_tn WHERE id = $hits->{$macaddress}->{$headertag}[0]";
1651                         }
1652                         $hits->{$macaddress}->{$headertag}= $hit;
1653                 }
1654
1655                 # Delete new jobs with a matching job in state 'processing'
1656                 foreach my $macaddress (keys %{$hits}) {
1657                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1658                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1659                                 if(defined($jobdb_id)) {
1660                                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND headertag='$jobdb_headertag' AND status='processing'";
1661                                         my $res = $job_db->exec_statement( $sql_statement );
1662                                         foreach my $hit (@{$res}) {
1663                                                 push @drops, "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1664                                         }
1665                                 } else {
1666                                         daemon_log("J ERROR: Job without id exists for macaddress $macaddress!", 1);
1667                                 }
1668                         }
1669                 }
1670
1671                 # Commit deletion
1672                 $job_db->exec_statementlist(\@drops);
1673
1674                 # Look for new jobs that could be executed
1675                 foreach my $macaddress (keys %{$hits}) {
1676
1677                         # Look if there is an executing job
1678                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND status='processing'";
1679                         my $res = $job_db->exec_statement( $sql_statement );
1680
1681                         # Skip new jobs for host if there is a processing job
1682                         if(defined($res) and defined @{$res}[0]) {
1683                                 next;
1684                         }
1685
1686                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1687                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1688                                 if(defined($jobdb_id)) {
1689                                         my $job_msg = @{$hits->{$macaddress}->{$jobdb_headertag}}[7];
1690
1691                                         daemon_log("J DEBUG: its time to execute $job_msg", 7);
1692                                         my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$macaddress'";
1693                                         my $res_hash = $known_clients_db->select_dbentry( $sql_statement );
1694
1695                                         # expect macaddress is unique!!!!!!
1696                                         my $target = $res_hash->{1}->{hostname};
1697
1698                                         # change header
1699                                         $job_msg =~ s/<header>job_/<header>gosa_/;
1700
1701                                         # add sqlite_id
1702                                         $job_msg =~ s/<\/xml>$/<jobdb_id>$jobdb_id<\/jobdb_id><\/xml>/;
1703
1704                                         $job_msg =~ /<header>(\S+)<\/header>/;
1705                                         my $header = $1 ;
1706                                         my $func_error = &send_msg_to_target($job_msg, $server_address, $GosaPackages_key, $header, "J");
1707
1708                                         # update status in job queue to 'processing'
1709                                         $sql_statement = "UPDATE $job_queue_tn SET status='processing' WHERE id=$jobdb_id";
1710                                         my $res = $job_db->update_dbentry($sql_statement);
1711 # TODO: abfangen ob alles in ordnung ist oder nicht, wenn nicht error schmeißen
1712
1713                                         # We don't want parallel processing
1714                                         last;
1715                                 }
1716                         }
1717                 }
1718
1719                 $watch_for_new_jobs_in_progress = 0;
1720                 $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1721         }
1722 }
1723
1724
1725 sub watch_for_new_messages {
1726     my ($kernel,$heap) = @_[KERNEL, HEAP];
1727     my @coll_user_msg;   # collection list of outgoing messages
1728
1729     # check messaging_db for new incoming messages with executable timestamp
1730     my $timestamp = &get_time();
1731     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( (CAST(timestamp AS INTEGER))<$timestamp AND flag='n' AND direction='in' )";
1732     my $res = $messaging_db->exec_statement( $sql_statement );
1733         foreach my $hit (@{$res}) {
1734
1735         # create outgoing messages
1736         my $message_to = @{$hit}[3];
1737         # translate message_to to plain login name
1738         my @message_to_l = split(/,/, $message_to);
1739                 my %receiver_h;
1740                 foreach my $receiver (@message_to_l) {
1741                         if ($receiver =~ /^u_([\s\S]*)$/) {
1742                                 $receiver_h{$1} = 0;
1743                         } elsif ($receiver =~ /^g_([\s\S]*)$/) {
1744                                 my $group_name = $1;
1745                                 # fetch all group members from ldap and add them to receiver hash
1746                                 my $ldap_handle = &get_ldap_handle();
1747                                 if (defined $ldap_handle) {
1748                                                 my $mesg = $ldap_handle->search(
1749                                                                                 base => $ldap_base,
1750                                                                                 scope => 'sub',
1751                                                                                 attrs => ['memberUid'],
1752                                                                                 filter => "cn=$group_name",
1753                                                                                 );
1754                                                 if ($mesg->count) {
1755                                                                 my @entries = $mesg->entries;
1756                                                                 foreach my $entry (@entries) {
1757                                                                                 my @receivers= $entry->get_value("memberUid");
1758                                                                                 foreach my $receiver (@receivers) {
1759                                                                                                 $receiver_h{$1} = 0;
1760                                                                                 }
1761                                                                 }
1762                                                 }
1763                                                 # translating errors ?
1764                                                 if ($mesg->code) {
1765                                                                 daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: $mesg->error", 1);
1766                                                 }
1767                                 # ldap handle error ?
1768                                 } else {
1769                                         daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: no ldap handle available", 1);
1770                                 }
1771                         } else {
1772                                 my $sbjct = &encode_base64(@{$hit}[1]);
1773                                 my $msg = &encode_base64(@{$hit}[7]);
1774                                 &daemon_log("M WARNING: unknown receiver '$receiver' for a user-message '$sbjct - $msg'", 3);
1775                         }
1776                 }
1777                 my @receiver_l = keys(%receiver_h);
1778
1779         my $message_id = @{$hit}[0];
1780
1781         #add each outgoing msg to messaging_db
1782         my $receiver;
1783         foreach $receiver (@receiver_l) {
1784             my $sql_statement = "INSERT INTO $messaging_tn (id, subject, message_from, message_to, flag, direction, delivery_time, message, timestamp) ".
1785                 "VALUES ('".
1786                 $message_id."', '".    # id
1787                 @{$hit}[1]."', '".     # subject
1788                 @{$hit}[2]."', '".     # message_from
1789                 $receiver."', '".      # message_to
1790                 "none"."', '".         # flag
1791                 "out"."', '".          # direction
1792                 @{$hit}[6]."', '".     # delivery_time
1793                 @{$hit}[7]."', '".     # message
1794                 $timestamp."'".     # timestamp
1795                 ")";
1796             &daemon_log("M DEBUG: $sql_statement", 1);
1797             my $res = $messaging_db->exec_statement($sql_statement);
1798             &daemon_log("M INFO: message '".@{$hit}[0]."' is prepared for delivery to receiver '$receiver'", 5);
1799         }
1800
1801         # set incoming message to flag d=deliverd
1802         $sql_statement = "UPDATE $messaging_tn SET flag='p' WHERE id='$message_id'";
1803         &daemon_log("M DEBUG: $sql_statement", 7);
1804         $res = $messaging_db->update_dbentry($sql_statement);
1805         &daemon_log("M INFO: message '$message_id' is set to flag 'p' (processed)", 5);
1806     }
1807
1808     $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1809     return;
1810 }
1811
1812 sub watch_for_delivery_messages {
1813     my ($kernel, $heap) = @_[KERNEL, HEAP];
1814
1815     # select outgoing messages
1816     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( flag='p' AND direction='out' )";
1817     #&daemon_log("0 DEBUG: $sql", 7);
1818     my $res = $messaging_db->exec_statement( $sql_statement );
1819
1820     # build out msg for each    usr
1821     foreach my $hit (@{$res}) {
1822         my $receiver = @{$hit}[3];
1823         my $msg_id = @{$hit}[0];
1824         my $subject = @{$hit}[1];
1825         my $message = @{$hit}[7];
1826
1827         # resolve usr -> host where usr is logged in
1828         my $sql = "SELECT * FROM $login_users_tn WHERE (user='$receiver')";
1829         #&daemon_log("0 DEBUG: $sql", 7);
1830         my $res = $login_users_db->exec_statement($sql);
1831
1832         # reciver is logged in nowhere
1833         if (not ref(@$res[0]) eq "ARRAY") { next; }
1834
1835                 my $send_succeed = 0;
1836                 foreach my $hit (@$res) {
1837                                 my $receiver_host = @$hit[0];
1838                                 &daemon_log("M DEBUG: user '$receiver' is logged in at host '$receiver_host'", 7);
1839
1840                                 # fetch key to encrypt msg propperly for usr/host
1841                                 my $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$receiver_host')";
1842                                 &daemon_log("0 DEBUG: $sql", 7);
1843                                 my $res = $known_clients_db->exec_statement($sql);
1844
1845                                 # host is already down
1846                                 if (not ref(@$res[0]) eq "ARRAY") { next; }
1847
1848                                 # host is on
1849                                 my $receiver_key = @{@{$res}[0]}[2];
1850                                 my %data = ('subject' => $subject, 'message' => $message, 'usr' => $receiver);
1851                                 my $out_msg = &build_msg("usr_msg", $server_address, $receiver_host, \%data );
1852                                 my $error = &send_msg_to_target($out_msg, $receiver_host, $receiver_key, "usr_msg", 0);
1853                                 if ($error == 0 ) {
1854                                         $send_succeed++ ;
1855                                 }
1856                 }
1857
1858                 if ($send_succeed) {
1859                                 # set outgoing msg at db to deliverd
1860                                 my $sql = "UPDATE $messaging_tn SET flag='d' WHERE (id='$msg_id' AND direction='out' AND message_to='$receiver')";
1861                                 &daemon_log("0 DEBUG: $sql", 7);
1862                                 my $res = $messaging_db->exec_statement($sql);
1863                 }
1864         }
1865
1866     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay);
1867     return;
1868 }
1869
1870
1871 sub watch_for_done_messages {
1872     my ($kernel,$heap) = @_[KERNEL, HEAP];
1873
1874     my $sql = "SELECT * FROM $messaging_tn WHERE (flag='p' AND direction='in')";
1875     #&daemon_log("0 DEBUG: $sql", 7);
1876     my $res = $messaging_db->exec_statement($sql);
1877
1878     foreach my $hit (@{$res}) {
1879         my $msg_id = @{$hit}[0];
1880
1881         my $sql = "SELECT * FROM $messaging_tn WHERE (id='$msg_id' AND direction='out' AND (NOT flag='s'))";
1882         #&daemon_log("0 DEBUG: $sql", 7);
1883         my $res = $messaging_db->exec_statement($sql);
1884
1885         # not all usr msgs have been seen till now
1886         if ( ref(@$res[0]) eq "ARRAY") { next; }
1887
1888         $sql = "DELETE FROM $messaging_tn WHERE (id='$msg_id')";
1889         #&daemon_log("0 DEBUG: $sql", 7);
1890         $res = $messaging_db->exec_statement($sql);
1891
1892     }
1893
1894     $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1895     return;
1896 }
1897
1898
1899 sub watch_for_old_known_clients {
1900     my ($kernel,$heap) = @_[KERNEL, HEAP];
1901
1902     my $sql_statement = "SELECT * FROM $known_clients_tn";
1903     my $res = $known_clients_db->select_dbentry( $sql_statement );
1904
1905     my $act_time = int(&get_time());
1906
1907     while ( my ($hit_num, $hit) = each %$res) {
1908         my $expired_timestamp = int($hit->{'timestamp'});
1909         $expired_timestamp =~ /(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)/;
1910         my $dt = DateTime->new( year   => $1,
1911                 month  => $2,
1912                 day    => $3,
1913                 hour   => $4,
1914                 minute => $5,
1915                 second => $6,
1916                 );
1917
1918         $dt->add( seconds => 2 * int($hit->{'keylifetime'}) );
1919         $expired_timestamp = $dt->ymd('').$dt->hms('')."\n";
1920         if ($act_time > $expired_timestamp) {
1921             my $hostname = $hit->{'hostname'};
1922             my $del_sql = "DELETE FROM $known_clients_tn WHERE hostname='$hostname'";
1923             my $del_res = $known_clients_db->exec_statement($del_sql);
1924
1925             &main::daemon_log("0 INFO: timestamp '".$hit->{'timestamp'}."' of client '$hostname' is expired('$expired_timestamp'), client will be deleted from known_clients_db", 5);
1926         }
1927
1928     }
1929
1930     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
1931 }
1932
1933
1934 sub watch_for_next_tasks {
1935     my ($kernel,$heap) = @_[KERNEL, HEAP];
1936
1937     my $sql = "SELECT * FROM $incoming_tn";
1938     my $res = $incoming_db->select_dbentry($sql);
1939
1940     while ( my ($hit_num, $hit) = each %$res) {
1941         my $headertag = $hit->{'headertag'};
1942         if ($headertag =~ /^answer_(\d+)/) {
1943             # do not start processing, this message is for a still running POE::Wheel
1944             next;
1945         }
1946         my $message_id = $hit->{'id'};
1947         $kernel->yield('next_task', $hit);
1948
1949         my $sql = "DELETE FROM $incoming_tn WHERE id=$message_id";
1950         my $res = $incoming_db->exec_statement($sql);
1951     }
1952
1953     $kernel->delay_set('watch_for_next_tasks', 0.1);
1954 }
1955
1956
1957 sub get_ldap_handle {
1958         my ($session_id) = @_;
1959         my $heap;
1960         my $ldap_handle;
1961
1962         if (not defined $session_id ) { $session_id = 0 };
1963         if ($session_id =~ /[^0-9]*/) { $session_id = 0 };
1964
1965         if ($session_id == 0) {
1966                 daemon_log("$session_id DEBUG: get_ldap_handle invoked without a session_id, create a new ldap_handle", 7);
1967                 $ldap_handle = Net::LDAP->new( $ldap_uri );
1968                 $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or daemon_log("$session_id ERROR: Bind to LDAP $ldap_uri as $ldap_admin_dn failed!");
1969
1970         } else {
1971                 my $session_reference = $global_kernel->ID_id_to_session($session_id);
1972                 if( defined $session_reference ) {
1973                         $heap = $session_reference->get_heap();
1974                 }
1975
1976                 if (not defined $heap) {
1977                         daemon_log("$session_id DEBUG: cannot get heap for session_id '$session_id'", 7);
1978                         return;
1979                 }
1980
1981                 # TODO: This "if" is nonsense, because it doesn't prove that the
1982                 #       used handle is still valid - or if we've to reconnect...
1983                 #if (not exists $heap->{ldap_handle}) {
1984                         $ldap_handle = Net::LDAP->new( $ldap_uri );
1985                         $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or daemon_log("$session_id ERROR: Bind to LDAP $ldap_uri as $ldap_admin_dn failed!");
1986                         $heap->{ldap_handle} = $ldap_handle;
1987                 #}
1988         }
1989         return $ldap_handle;
1990 }
1991
1992
1993 sub change_fai_state {
1994     my ($st, $targets, $session_id) = @_;
1995     $session_id = 0 if not defined $session_id;
1996     # Set FAI state to localboot
1997     my %mapActions= (
1998         reboot    => '',
1999         update    => 'softupdate',
2000         localboot => 'localboot',
2001         reinstall => 'install',
2002         rescan    => '',
2003         wake      => '',
2004         memcheck  => 'memcheck',
2005         sysinfo   => 'sysinfo',
2006         install   => 'install',
2007     );
2008
2009     # Return if this is unknown
2010     if (!exists $mapActions{ $st }){
2011         daemon_log("$session_id ERROR: unknown action '$st', can not translate ot FAIstate", 1);
2012       return;
2013     }
2014
2015     my $state= $mapActions{ $st };
2016
2017     my $ldap_handle = &get_ldap_handle($session_id);
2018     if( defined($ldap_handle) ) {
2019
2020       # Build search filter for hosts
2021         my $search= "(&(objectClass=GOhard)";
2022         foreach (@{$targets}){
2023             $search.= "(macAddress=$_)";
2024         }
2025         $search.= ")";
2026
2027       # If there's any host inside of the search string, procress them
2028         if (!($search =~ /macAddress/)){
2029             daemon_log("$session_id ERROR: no macAddress found in filter statement for LDAP search: '$search'", 1);
2030             return;
2031         }
2032
2033       # Perform search for Unit Tag
2034       my $mesg = $ldap_handle->search(
2035           base   => $ldap_base,
2036           scope  => 'sub',
2037           attrs  => ['dn', 'FAIstate', 'objectClass'],
2038           filter => "$search"
2039           );
2040
2041           if ($mesg->count) {
2042                   my @entries = $mesg->entries;
2043                   if (0 == @entries) {
2044                                   daemon_log("$session_id ERROR: ldap search failed: ldap_base=$ldap_base, filter=$search", 1);
2045                   }
2046
2047                   foreach my $entry (@entries) {
2048                           # Only modify entry if it is not set to '$state'
2049                           if ($entry->get_value("FAIstate") ne "$state"){
2050                                   daemon_log("$session_id INFO: Setting FAIstate to '$state' for ".$entry->dn, 5);
2051                                   my $result;
2052                                   my %tmp = map { $_ => 1 } $entry->get_value("objectClass");
2053                                   if (exists $tmp{'FAIobject'}){
2054                                           if ($state eq ''){
2055                                                   $result= $ldap_handle->modify($entry->dn, changes => [
2056                                                           delete => [ FAIstate => [] ] ]);
2057                                           } else {
2058                                                   $result= $ldap_handle->modify($entry->dn, changes => [
2059                                                           replace => [ FAIstate => $state ] ]);
2060                                           }
2061                                   } elsif ($state ne ''){
2062                                           $result= $ldap_handle->modify($entry->dn, changes => [
2063                                                   add     => [ objectClass => 'FAIobject' ],
2064                                                   add     => [ FAIstate => $state ] ]);
2065                                   }
2066
2067                                   # Errors?
2068                                   if ($result->code){
2069                                           daemon_log("$session_id Error: Setting FAIstate to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2070                                   }
2071                           } else {
2072                                   daemon_log("$session_id DEBUG FAIstate at host '".$entry->dn."' already at state '$st'", 7);
2073                           }
2074                   }
2075           } else {
2076                 daemon_log("$session_id ERROR: LDAP search failed: ldap_base=$ldap_base, filter=$search", 1);
2077           }
2078
2079     # if no ldap handle defined
2080     } else {
2081         daemon_log("$session_id ERROR: no LDAP handle defined for update FAIstate", 1);
2082     }
2083
2084         return;
2085 }
2086
2087
2088 sub change_goto_state {
2089     my ($st, $targets, $session_id) = @_;
2090     $session_id = 0  if not defined $session_id;
2091
2092     # Switch on or off?
2093     my $state= $st eq 'active' ? 'active': 'locked';
2094
2095     my $ldap_handle = &get_ldap_handle($session_id);
2096     if( defined($ldap_handle) ) {
2097
2098       # Build search filter for hosts
2099       my $search= "(&(objectClass=GOhard)";
2100       foreach (@{$targets}){
2101         $search.= "(macAddress=$_)";
2102       }
2103       $search.= ")";
2104
2105       # If there's any host inside of the search string, procress them
2106       if (!($search =~ /macAddress/)){
2107         return;
2108       }
2109
2110       # Perform search for Unit Tag
2111       my $mesg = $ldap_handle->search(
2112           base   => $ldap_base,
2113           scope  => 'sub',
2114           attrs  => ['dn', 'gotoMode'],
2115           filter => "$search"
2116           );
2117
2118       if ($mesg->count) {
2119         my @entries = $mesg->entries;
2120         foreach my $entry (@entries) {
2121
2122           # Only modify entry if it is not set to '$state'
2123           if ($entry->get_value("gotoMode") ne $state){
2124
2125             daemon_log("$session_id INFO: Setting gotoMode to '$state' for ".$entry->dn, 5);
2126             my $result;
2127             $result= $ldap_handle->modify($entry->dn, changes => [
2128                                                 replace => [ gotoMode => $state ] ]);
2129
2130             # Errors?
2131             if ($result->code){
2132               &daemon_log("$session_id Error: Setting gotoMode to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2133             }
2134
2135           }
2136         }
2137       } else {
2138                 daemon_log("$session_id ERROR: LDAP search failed in function change_goto_state: ldap_base=$ldap_base, filter=$search", 1);
2139           }
2140
2141     }
2142 }
2143
2144
2145 sub run_recreate_packages_db {
2146     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2147     my $session_id = $session->ID;
2148         &main::daemon_log("$session_id INFO: Recreating FAI Packages DB ('$fai_release_tn', '$fai_server_tn', '$packages_list_tn')", 5);
2149         $kernel->yield('create_fai_release_db', $fai_release_tn);
2150         $kernel->yield('create_fai_server_db', $fai_server_tn);
2151         return;
2152 }
2153
2154
2155 sub run_create_fai_server_db {
2156     my ($kernel, $session, $heap, $table_name) = @_[KERNEL, SESSION, HEAP, ARG0];
2157     my $session_id = $session->ID;
2158     my $task = POE::Wheel::Run->new(
2159             Program => sub { &create_fai_server_db($table_name,$kernel, undef, $session_id) },
2160             StdoutEvent  => "session_run_result",
2161             StderrEvent  => "session_run_debug",
2162             CloseEvent   => "session_run_done",
2163             );
2164
2165     $heap->{task}->{ $task->ID } = $task;
2166     return;
2167 }
2168
2169
2170 sub create_fai_server_db {
2171     my ($table_name, $kernel, $dont_create_packages_list, $session_id) = @_;
2172         my $result;
2173
2174         if (not defined $session_id) { $session_id = 0; }
2175     my $ldap_handle = &get_ldap_handle();
2176         if(defined($ldap_handle)) {
2177                 daemon_log("$session_id INFO: create_fai_server_db: start", 5);
2178                 my $mesg= $ldap_handle->search(
2179                         base   => $ldap_base,
2180                         scope  => 'sub',
2181                         attrs  => ['FAIrepository', 'gosaUnitTag'],
2182                         filter => "(&(FAIrepository=*)(objectClass=FAIrepositoryServer))",
2183                 );
2184                 if($mesg->{'resultCode'} == 0 &&
2185                    $mesg->count != 0) {
2186                    foreach my $entry (@{$mesg->{entries}}) {
2187                            if($entry->exists('FAIrepository')) {
2188                                    # Add an entry for each Repository configured for server
2189                                    foreach my $repo(@{$entry->get_value('FAIrepository', asref => 1)}) {
2190                                                    my($tmp_url,$tmp_server,$tmp_release,$tmp_sections) = split(/\|/, $repo);
2191                                                    my $tmp_tag= $entry->get_value('gosaUnitTag') || "";
2192                                                    $result= $fai_server_db->add_dbentry( {
2193                                                                    table => $table_name,
2194                                                                    primkey => ['server', 'release', 'tag'],
2195                                                                    server => $tmp_url,
2196                                                                    release => $tmp_release,
2197                                                                    sections => $tmp_sections,
2198                                                                    tag => (length($tmp_tag)>0)?$tmp_tag:"",
2199                                                            } );
2200                                            }
2201                                    }
2202                            }
2203                    }
2204                 daemon_log("$session_id INFO: create_fai_server_db: finished", 5);
2205
2206                 # TODO: Find a way to post the 'create_packages_list_db' event
2207                 if(not defined($dont_create_packages_list)) {
2208                         &create_packages_list_db(undef, undef, $session_id);
2209                 }
2210         }
2211
2212     $ldap_handle->disconnect;
2213         return $result;
2214 }
2215
2216
2217 sub run_create_fai_release_db {
2218     my ($session, $heap, $table_name) = @_[SESSION, HEAP, ARG0];
2219         my $session_id = $session->ID;
2220     my $task = POE::Wheel::Run->new(
2221             Program => sub { &create_fai_release_db($table_name, $session_id) },
2222             StdoutEvent  => "session_run_result",
2223             StderrEvent  => "session_run_debug",
2224             CloseEvent   => "session_run_done",
2225             );
2226
2227     $heap->{task}->{ $task->ID } = $task;
2228     return;
2229 }
2230
2231
2232 sub create_fai_release_db {
2233         my ($table_name, $session_id) = @_;
2234         my $result;
2235
2236     # used for logging
2237     if (not defined $session_id) { $session_id = 0; }
2238
2239     my $ldap_handle = &get_ldap_handle();
2240         if(defined($ldap_handle)) {
2241                 daemon_log("$session_id INFO: create_fai_release_db: start",5);
2242                 my $mesg= $ldap_handle->search(
2243                         base   => $ldap_base,
2244                         scope  => 'sub',
2245                         attrs  => [],
2246                         filter => "(&(objectClass=organizationalUnit)(ou=fai))",
2247                 );
2248                 if($mesg->{'resultCode'} == 0 &&
2249                         $mesg->count != 0) {
2250                         # Walk through all possible FAI container ou's
2251                         my @sql_list;
2252                         my $timestamp= &get_time();
2253                         foreach my $ou (@{$mesg->{entries}}) {
2254                                 my $tmp_classes= resolve_fai_classes($ou->dn, $ldap_handle, $session_id);
2255                                 if(defined($tmp_classes) && ref($tmp_classes) eq 'HASH') {
2256                                         my @tmp_array=get_fai_release_entries($tmp_classes);
2257                                         if(@tmp_array) {
2258                                                 foreach my $entry (@tmp_array) {
2259                                                         if(defined($entry) && ref($entry) eq 'HASH') {
2260                                                                 my $sql=
2261                                                                 "INSERT INTO $table_name "
2262                                                                 ."(timestamp, release, class, type, state) VALUES ("
2263                                                                 .$timestamp.","
2264                                                                 ."'".$entry->{'release'}."',"
2265                                                                 ."'".$entry->{'class'}."',"
2266                                                                 ."'".$entry->{'type'}."',"
2267                                                                 ."'".$entry->{'state'}."')";
2268                                                                 push @sql_list, $sql;
2269                                                         }
2270                                                 }
2271                                         }
2272                                 }
2273                         }
2274
2275                         daemon_log("$session_id DEBUG: Inserting ".scalar @sql_list." entries to DB",8);
2276                         if(@sql_list) {
2277                                 unshift @sql_list, "VACUUM";
2278                                 unshift @sql_list, "DELETE FROM $table_name";
2279                                 $fai_release_db->exec_statementlist(\@sql_list);
2280                         }
2281                         daemon_log("$session_id DEBUG: Done with inserting",7);
2282                 }
2283                 daemon_log("$session_id INFO: create_fai_release_db: finished",5);
2284         }
2285     $ldap_handle->disconnect;
2286         return $result;
2287 }
2288
2289 sub get_fai_types {
2290         my $tmp_classes = shift || return undef;
2291         my @result;
2292
2293         foreach my $type(keys %{$tmp_classes}) {
2294                 if(defined($tmp_classes->{$type}[0]) && (!($tmp_classes->{$type}[0] =~ /^.*?removed.*?$/))) {
2295                         my $entry = {
2296                                 type => $type,
2297                                 state => $tmp_classes->{$type}[0],
2298                         };
2299                         push @result, $entry;
2300                 }
2301         }
2302
2303         return @result;
2304 }
2305
2306 sub get_fai_state {
2307         my $result = "";
2308         my $tmp_classes = shift || return $result;
2309
2310         foreach my $type(keys %{$tmp_classes}) {
2311                 if(defined($tmp_classes->{$type}[0])) {
2312                         $result = $tmp_classes->{$type}[0];
2313
2314                 # State is equal for all types in class
2315                         last;
2316                 }
2317         }
2318
2319         return $result;
2320 }
2321
2322 sub resolve_fai_classes {
2323         my ($fai_base, $ldap_handle, $session_id) = @_;
2324         if (not defined $session_id) { $session_id = 0; }
2325         my $result;
2326         my @possible_fai_classes= ("FAIscript", "FAIhook", "FAIpartitionTable", "FAItemplate", "FAIvariable", "FAIprofile", "FAIpackageList");
2327         my $fai_filter= "(|(&(objectClass=FAIclass)(|(objectClass=".join(")(objectClass=", @possible_fai_classes).")))(objectClass=FAIbranch))";
2328         my $fai_classes;
2329
2330         daemon_log("$session_id DEBUG: Searching for FAI entries in base $fai_base",7);
2331         my $mesg= $ldap_handle->search(
2332                 base   => $fai_base,
2333                 scope  => 'sub',
2334                 attrs  => ['cn','objectClass','FAIstate'],
2335                 filter => $fai_filter,
2336         );
2337         daemon_log("$session_id DEBUG: Found ".$mesg->count()." FAI entries",7);
2338
2339         if($mesg->{'resultCode'} == 0 &&
2340                 $mesg->count != 0) {
2341                 foreach my $entry (@{$mesg->{entries}}) {
2342                         if($entry->exists('cn')) {
2343                                 my $tmp_dn= $entry->dn();
2344
2345                                 # Skip classname and ou dn parts for class
2346                                 my $tmp_release = ($1) if $tmp_dn =~ /^[^,]+,[^,]+,(.*?),$fai_base$/;
2347
2348                                 # Skip classes without releases
2349                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2350                                         next;
2351                                 }
2352
2353                                 my $tmp_cn= $entry->get_value('cn');
2354                                 my $tmp_state= $entry->get_value('FAIstate');
2355
2356                                 my $tmp_type;
2357                                 # Get FAI type
2358                                 for my $oclass(@{$entry->get_value('objectClass', asref => 1)}) {
2359                                         if(grep $_ eq $oclass, @possible_fai_classes) {
2360                                                 $tmp_type= $oclass;
2361                                                 last;
2362                                         }
2363                                 }
2364
2365                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2366                                         # A Subrelease
2367                                         my @sub_releases = split(/,/, $tmp_release);
2368
2369                                         # Walk through subreleases and build hash tree
2370                                         my $hash;
2371                                         while(my $tmp_sub_release = pop @sub_releases) {
2372                                                 $hash .= "\{'$tmp_sub_release'\}->";
2373                                         }
2374                                         eval('push @{$fai_classes->'.$hash.'{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";');
2375                                 } else {
2376                                         # A branch, no subrelease
2377                                         push @{$fai_classes->{$tmp_release}->{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";
2378                                 }
2379                         } elsif (!$entry->exists('cn')) {
2380                                 my $tmp_dn= $entry->dn();
2381                                 my $tmp_release = ($1) if $tmp_dn =~ /^(.*?),$fai_base$/;
2382
2383                                 # Skip classes without releases
2384                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2385                                         next;
2386                                 }
2387
2388                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2389                                         # A Subrelease
2390                                         my @sub_releases= split(/,/, $tmp_release);
2391
2392                                         # Walk through subreleases and build hash tree
2393                                         my $hash;
2394                                         while(my $tmp_sub_release = pop @sub_releases) {
2395                                                 $hash .= "\{'$tmp_sub_release'\}->";
2396                                         }
2397                                         # Remove the last two characters
2398                                         chop($hash);
2399                                         chop($hash);
2400
2401                                         eval('$fai_classes->'.$hash.'= {}');
2402                                 } else {
2403                                         # A branch, no subrelease
2404                                         if(!exists($fai_classes->{$tmp_release})) {
2405                                                 $fai_classes->{$tmp_release} = {};
2406                                         }
2407                                 }
2408                         }
2409                 }
2410
2411                 # The hash is complete, now we can honor the copy-on-write based missing entries
2412                 foreach my $release (keys %$fai_classes) {
2413                         $result->{$release}= deep_copy(apply_fai_inheritance($fai_classes->{$release}));
2414                 }
2415         }
2416         return $result;
2417 }
2418
2419 sub apply_fai_inheritance {
2420        my $fai_classes = shift || return {};
2421        my $tmp_classes;
2422
2423        # Get the classes from the branch
2424        foreach my $class (keys %{$fai_classes}) {
2425                # Skip subreleases
2426                if($class =~ /^ou=.*$/) {
2427                        next;
2428                } else {
2429                        $tmp_classes->{$class}= deep_copy($fai_classes->{$class});
2430                }
2431        }
2432
2433        # Apply to each subrelease
2434        foreach my $subrelease (keys %{$fai_classes}) {
2435                if($subrelease =~ /ou=/) {
2436                        foreach my $tmp_class (keys %{$tmp_classes}) {
2437                                if(!exists($fai_classes->{$subrelease}->{$tmp_class})) {
2438                                        $fai_classes->{$subrelease}->{$tmp_class} =
2439                                        deep_copy($tmp_classes->{$tmp_class});
2440                                } else {
2441                                        foreach my $type (keys %{$tmp_classes->{$tmp_class}}) {
2442                                                if(!exists($fai_classes->{$subrelease}->{$tmp_class}->{$type})) {
2443                                                        $fai_classes->{$subrelease}->{$tmp_class}->{$type}=
2444                                                        deep_copy($tmp_classes->{$tmp_class}->{$type});
2445                                                }
2446                                        }
2447                                }
2448                        }
2449                }
2450        }
2451
2452        # Find subreleases in deeper levels
2453        foreach my $subrelease (keys %{$fai_classes}) {
2454                if($subrelease =~ /ou=/) {
2455                        foreach my $subsubrelease (keys %{$fai_classes->{$subrelease}}) {
2456                                if($subsubrelease =~ /ou=/) {
2457                                        apply_fai_inheritance($fai_classes->{$subrelease});
2458                                }
2459                        }
2460                }
2461        }
2462
2463        return $fai_classes;
2464 }
2465
2466 sub get_fai_release_entries {
2467         my $tmp_classes = shift || return;
2468         my $parent = shift || "";
2469         my @result = shift || ();
2470
2471         foreach my $entry (keys %{$tmp_classes}) {
2472                 if(defined($entry)) {
2473                         if($entry =~ /^ou=.*$/) {
2474                                 my $release_name = $entry;
2475                                 $release_name =~ s/ou=//g;
2476                                 if(length($parent)>0) {
2477                                         $release_name = $parent."/".$release_name;
2478                                 }
2479                                 my @bufentries = get_fai_release_entries($tmp_classes->{$entry}, $release_name, @result);
2480                                 foreach my $bufentry(@bufentries) {
2481                                         push @result, $bufentry;
2482                                 }
2483                         } else {
2484                                 my @types = get_fai_types($tmp_classes->{$entry});
2485                                 foreach my $type (@types) {
2486                                         push @result,
2487                                         {
2488                                                 'class' => $entry,
2489                                                 'type' => $type->{'type'},
2490                                                 'release' => $parent,
2491                                                 'state' => $type->{'state'},
2492                                         };
2493                                 }
2494                         }
2495                 }
2496         }
2497
2498         return @result;
2499 }
2500
2501 sub deep_copy {
2502         my $this = shift;
2503         if (not ref $this) {
2504                 $this;
2505         } elsif (ref $this eq "ARRAY") {
2506                 [map deep_copy($_), @$this];
2507         } elsif (ref $this eq "HASH") {
2508                 +{map { $_ => deep_copy($this->{$_}) } keys %$this};
2509         } else { die "what type is $_?" }
2510 }
2511
2512
2513 sub session_run_result {
2514     my ($kernel, $heap, $client_answer) = @_[KERNEL, HEAP, ARG0];
2515     $kernel->sig(CHLD => "child_reap");
2516 }
2517
2518 sub session_run_debug {
2519     my $result = $_[ARG0];
2520     print STDERR "$result\n";
2521 }
2522
2523 sub session_run_done {
2524     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
2525     delete $heap->{task}->{$task_id};
2526 }
2527
2528
2529 sub create_sources_list {
2530         my $session_id = shift;
2531         my $ldap_handle = &main::get_ldap_handle;
2532         my $result="/tmp/gosa_si_tmp_sources_list";
2533
2534         # Remove old file
2535         if(stat($result)) {
2536                 unlink($result);
2537                 &main::daemon_log("$session_id DEBUG: remove an old version of '$result'", 7);
2538         }
2539
2540         my $fh;
2541         open($fh, ">$result");
2542         if (not defined $fh) {
2543                 &main::daemon_log("$session_id DEBUG: cannot open '$result' for writing", 7);
2544                 return undef;
2545         }
2546         if(defined($main::ldap_server_dn) and length($main::ldap_server_dn) > 0) {
2547                 my $mesg=$ldap_handle->search(
2548                         base    => $main::ldap_server_dn,
2549                         scope   => 'base',
2550                         attrs   => 'FAIrepository',
2551                         filter  => 'objectClass=FAIrepositoryServer'
2552                 );
2553                 if($mesg->count) {
2554                         foreach my $entry(@{$mesg->{'entries'}}) {
2555                                 foreach my $value(@{$entry->get_value('FAIrepository', asref => 1)}) {
2556                                         my ($server, $tag, $release, $sections)= split /\|/, $value;
2557                                         my $line = "deb $server $release";
2558                                         $sections =~ s/,/ /g;
2559                                         $line.= " $sections";
2560                                         print $fh $line."\n";
2561                                 }
2562                         }
2563                 }
2564         } else {
2565                 if (defined $main::ldap_server_dn){
2566                         &main::daemon_log("$session_id ERROR: something wrong with ldap_server_dn '$main::ldap_server_dn', abort create_sources_list", 1);
2567                 } else {
2568                         &main::daemon_log("$session_id ERROR: no ldap_server_dn found, abort create_sources_list", 1);
2569                 }
2570         }
2571         close($fh);
2572
2573         return $result;
2574 }
2575
2576
2577 sub run_create_packages_list_db {
2578     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2579         my $session_id = $session->ID;
2580
2581         my $task = POE::Wheel::Run->new(
2582                                         Priority => +20,
2583                                         Program => sub {&create_packages_list_db(undef, undef, $session_id)},
2584                                         StdoutEvent  => "session_run_result",
2585                                         StderrEvent  => "session_run_debug",
2586                                         CloseEvent   => "session_run_done",
2587                                         );
2588         $heap->{task}->{ $task->ID } = $task;
2589 }
2590
2591
2592 sub create_packages_list_db {
2593         my ($ldap_handle, $sources_file, $session_id) = @_;
2594
2595         # it should not be possible to trigger a recreation of packages_list_db
2596         # while packages_list_db is under construction, so set flag packages_list_under_construction
2597         # which is tested befor recreation can be started
2598         if (-r $packages_list_under_construction) {
2599                 daemon_log("$session_id WARNING: packages_list_db is right now under construction, please wait until this process is finished", 3);
2600                 return;
2601         } else {
2602                 daemon_log("$session_id INFO: create_packages_list_db: start", 5);
2603                 # set packages_list_under_construction to true
2604                 system("touch $packages_list_under_construction");
2605                 @packages_list_statements=();
2606         }
2607
2608         if (not defined $session_id) { $session_id = 0; }
2609         if (not defined $ldap_handle) {
2610                 $ldap_handle= &get_ldap_handle();
2611
2612                 if (not defined $ldap_handle) {
2613                         daemon_log("$session_id ERROR: no ldap_handle available to create_packages_list_db", 1);
2614                         unlink($packages_list_under_construction);
2615                         return;
2616                 }
2617         }
2618         if (not defined $sources_file) {
2619                 &main::daemon_log("$session_id INFO: no sources_file given for creating packages list so trigger creation of it", 5);
2620                 $sources_file = &create_sources_list($session_id);
2621         }
2622
2623         if (not defined $sources_file) {
2624                 &main::daemon_log("$session_id ERROR: no sources_file given under '$sources_file', skip create_packages_list_db", 1);
2625                 unlink($packages_list_under_construction);
2626                 return;
2627         }
2628
2629         my $line;
2630
2631         open(CONFIG, "<$sources_file") or do {
2632                 daemon_log( "$session_id ERROR: create_packages_list_db: Failed to open '$sources_file'", 1);
2633                 unlink($packages_list_under_construction);
2634                 return;
2635         };
2636
2637         # Read lines
2638         while ($line = <CONFIG>){
2639                 # Unify
2640                 chop($line);
2641                 $line =~ s/^\s+//;
2642                 $line =~ s/^\s+/ /;
2643
2644                 # Strip comments
2645                 $line =~ s/#.*$//g;
2646
2647                 # Skip empty lines
2648                 if ($line =~ /^\s*$/){
2649                         next;
2650                 }
2651
2652                 # Interpret deb line
2653                 if ($line =~ /^deb [^\s]+\s[^\s]+\s[^\s]+/){
2654                         my( $baseurl, $dist, $sections ) = ($line =~ /^deb\s([^\s]+)\s+([^\s]+)\s+(.*)$/);
2655                         my $section;
2656                         foreach $section (split(' ', $sections)){
2657                                 &parse_package_info( $baseurl, $dist, $section, $session_id );
2658                         }
2659                 }
2660         }
2661
2662         close (CONFIG);
2663
2664
2665         find(\&cleanup_and_extract, keys( %repo_dirs ));
2666         &main::strip_packages_list_statements();
2667         unshift @packages_list_statements, "VACUUM";
2668         $packages_list_db->exec_statementlist(\@packages_list_statements);
2669         unlink($packages_list_under_construction);
2670         daemon_log("$session_id INFO: create_packages_list_db: finished", 5);
2671         return;
2672 }
2673
2674 # This function should do some intensive task to minimize the db-traffic
2675 sub strip_packages_list_statements {
2676     my @existing_entries= @{$packages_list_db->exec_statement("SELECT * FROM $main::packages_list_tn")};
2677         my @new_statement_list=();
2678         my $hash;
2679         my $insert_hash;
2680         my $update_hash;
2681         my $delete_hash;
2682         my $local_timestamp=get_time();
2683
2684         foreach my $existing_entry (@existing_entries) {
2685                 $hash->{@{$existing_entry}[0]}->{@{$existing_entry}[1]}->{@{$existing_entry}[2]}= $existing_entry;
2686         }
2687
2688         foreach my $statement (@packages_list_statements) {
2689                 if($statement =~ /^INSERT/i) {
2690                         # Assign the values from the insert statement
2691                         my ($distribution,$package,$version,$section,$description,$template,$timestamp) = ($1,$2,$3,$4,$5,$6,$7) if $statement =~
2692                         /^INSERT\s+?INTO\s+?$main::packages_list_tn\s+?VALUES\s*?\('(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)'\s*?\)$/si;
2693                         if(exists($hash->{$distribution}->{$package}->{$version})) {
2694                                 # If section or description has changed, update the DB
2695                                 if(
2696                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[3] eq $section)) or
2697                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[4] eq $description))
2698                                 ) {
2699                                         @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,undef);
2700                                 }
2701                         } else {
2702                                 # Insert a non-existing entry to db
2703                                 @{$insert_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2704                         }
2705                 } elsif ($statement =~ /^UPDATE/i) {
2706                         my ($template,$package,$version) = ($1,$2,$3) if $statement =~
2707                         /^update\s+?$main::packages_list_tn\s+?set\s+?template\s*?=\s*?'(.*?)'\s+?where\s+?package\s*?=\s*?'(.*?)'\s+?and\s+?version\s*?=\s*?'(.*?)'\s*?;$/si;
2708                         foreach my $distribution (keys %{$hash}) {
2709                                 if(exists($insert_hash->{$distribution}->{$package}->{$version})) {
2710                                         # update the insertion hash to execute only one query per package (insert instead insert+update)
2711                                         @{$insert_hash->{$distribution}->{$package}->{$version}}[5]= $template;
2712                                 } elsif(exists($hash->{$distribution}->{$package}->{$version})) {
2713                                         if( ! (@{$hash->{$distribution}->{$package}->{$version}}[5] eq $template)) {
2714                                                 my $section;
2715                                                 my $description;
2716                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) and
2717                                                         length(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) > 0 ) {
2718                                                         $section= @{$update_hash->{$distribution}->{$package}->{$version}}[3];
2719                                                 }
2720                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2721                                                         $description= @{$update_hash->{$distribution}->{$package}->{$version}}[4];
2722                                                 }
2723                                                 @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2724                                         }
2725                                 }
2726                         }
2727                 }
2728         }
2729
2730         # TODO: Check for orphaned entries
2731
2732         # unroll the insert_hash
2733         foreach my $distribution (keys %{$insert_hash}) {
2734                 foreach my $package (keys %{$insert_hash->{$distribution}}) {
2735                         foreach my $version (keys %{$insert_hash->{$distribution}->{$package}}) {
2736                                 push @new_statement_list, "INSERT INTO $main::packages_list_tn VALUES ('$distribution','$package','$version',"
2737                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[3]',"
2738                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[4]',"
2739                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[5]',"
2740                                 ."'$local_timestamp')";
2741                         }
2742                 }
2743         }
2744
2745         # unroll the update hash
2746         foreach my $distribution (keys %{$update_hash}) {
2747                 foreach my $package (keys %{$update_hash->{$distribution}}) {
2748                         foreach my $version (keys %{$update_hash->{$distribution}->{$package}}) {
2749                                 my $set = "";
2750                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3])) {
2751                                         $set .= "section = '@{$update_hash->{$distribution}->{$package}->{$version}}[3]', ";
2752                                 }
2753                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2754                                         $set .= "description = '@{$update_hash->{$distribution}->{$package}->{$version}}[4]', ";
2755                                 }
2756                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[5])) {
2757                                         $set .= "template = '@{$update_hash->{$distribution}->{$package}->{$version}}[5]', ";
2758                                 }
2759                                 if(defined($set) and length($set) > 0) {
2760                                         $set .= "timestamp = '$local_timestamp'";
2761                                 } else {
2762                                         next;
2763                                 }
2764                                 push @new_statement_list,
2765                                         "UPDATE $main::packages_list_tn SET $set WHERE"
2766                                         ." distribution = '$distribution'"
2767                                         ." AND package = '$package'"
2768                                         ." AND version = '$version'";
2769                         }
2770                 }
2771         }
2772
2773         @packages_list_statements = @new_statement_list;
2774 }
2775
2776
2777 sub parse_package_info {
2778     my ($baseurl, $dist, $section, $session_id)= @_;
2779     my ($package);
2780     if (not defined $session_id) { $session_id = 0; }
2781     my ($path) = ($baseurl =~ m%://[^/]*(.*)$%);
2782     $repo_dirs{ "${repo_path}/pool" } = 1;
2783
2784     foreach $package ("Packages.gz"){
2785         daemon_log("$session_id DEBUG: create_packages_list: fetch $baseurl, $dist, $section", 7);
2786         get_package( "$baseurl/dists/$dist/$section/binary-$arch/$package", "$outdir/$dist/$section", $session_id );
2787         parse_package( "$outdir/$dist/$section", $dist, $path, $session_id );
2788     }
2789
2790 }
2791
2792
2793 sub get_package {
2794     my ($url, $dest, $session_id)= @_;
2795     if (not defined $session_id) { $session_id = 0; }
2796
2797     my $tpath = dirname($dest);
2798     -d "$tpath" || mkpath "$tpath";
2799
2800     # This is ugly, but I've no time to take a look at "how it works in perl"
2801     if(0 == system("wget '$url' -O '$dest' 2>/dev/null") ) {
2802         system("gunzip -cd '$dest' > '$dest.in'");
2803         daemon_log("$session_id DEBUG: run command: gunzip -cd '$dest' > '$dest.in'", 5);
2804         unlink($dest);
2805         daemon_log("$session_id DEBUG: delete file '$dest'", 5);
2806     } else {
2807         daemon_log("$session_id ERROR: create_packages_list_db: get_packages: fetching '$url' failed!", 1);
2808     }
2809     return 0;
2810 }
2811
2812
2813 sub parse_package {
2814     my ($path, $dist, $srv_path, $session_id)= @_;
2815     if (not defined $session_id) { $session_id = 0;}
2816     my ($package, $version, $section, $description);
2817     my $PACKAGES;
2818     my $timestamp = &get_time();
2819
2820     if(not stat("$path.in")) {
2821         daemon_log("$session_id ERROR: create_packages_list: parse_package: file '$path.in' is not readable",1);
2822         return;
2823     }
2824
2825     open($PACKAGES, "<$path.in");
2826     if(not defined($PACKAGES)) {
2827         daemon_log("$session_id ERROR: create_packages_list_db: parse_package: cannot open '$path.in'",1);
2828         return;
2829     }
2830
2831     # Read lines
2832     while (<$PACKAGES>){
2833         my $line = $_;
2834         # Unify
2835         chop($line);
2836
2837         # Use empty lines as a trigger
2838         if ($line =~ /^\s*$/){
2839             my $sql = "INSERT INTO packages_list VALUES ('$dist', '$package', '$version', '$section', '$description', '', '$timestamp')";
2840             push(@packages_list_statements, $sql);
2841             $package = "none";
2842             $version = "none";
2843             $section = "none";
2844             $description = "none";
2845             next;
2846         }
2847
2848         # Trigger for package name
2849         if ($line =~ /^Package:\s/){
2850             ($package)= ($line =~ /^Package: (.*)$/);
2851             next;
2852         }
2853
2854         # Trigger for version
2855         if ($line =~ /^Version:\s/){
2856             ($version)= ($line =~ /^Version: (.*)$/);
2857             next;
2858         }
2859
2860         # Trigger for description
2861         if ($line =~ /^Description:\s/){
2862             ($description)= &encode_base64(($line =~ /^Description: (.*)$/));
2863             next;
2864         }
2865
2866         # Trigger for section
2867         if ($line =~ /^Section:\s/){
2868             ($section)= ($line =~ /^Section: (.*)$/);
2869             next;
2870         }
2871
2872         # Trigger for filename
2873         if ($line =~ /^Filename:\s/){
2874             my ($filename) = ($line =~ /^Filename: (.*)$/);
2875             store_fileinfo( $package, $filename, $dist, $srv_path, $version, $repo_path );
2876             next;
2877         }
2878     }
2879
2880     close( $PACKAGES );
2881     unlink( "$path.in" );
2882 }
2883
2884
2885 sub store_fileinfo {
2886     my( $package, $file, $dist, $path, $vers, $srvdir) = @_;
2887
2888     my %fileinfo = (
2889         'package' => $package,
2890         'dist' => $dist,
2891         'version' => $vers,
2892     );
2893
2894     $repo_files{ "${srvdir}/$file" } = \%fileinfo;
2895 }
2896
2897
2898 sub cleanup_and_extract {
2899     my $fileinfo = $repo_files{ $File::Find::name };
2900
2901     if( defined $fileinfo ) {
2902
2903         my $dir = "$outdir/$fileinfo->{ 'dist' }/debconf.d";
2904         my $sql;
2905         my $package = $fileinfo->{ 'package' };
2906         my $newver = $fileinfo->{ 'version' };
2907
2908         mkpath($dir);
2909         system( "dpkg -e '$File::Find::name' '$dir/DEBIAN'" );
2910
2911                 if( -f "$dir/DEBIAN/templates" ) {
2912
2913                         daemon_log("DEBUG: Found debconf templates in '$package' - $newver", 7);
2914
2915                         my $tmpl= "";
2916                         {
2917                                 local $/=undef;
2918                                 open FILE, "$dir/DEBIAN/templates";
2919                                 $tmpl = &encode_base64(<FILE>);
2920                                 close FILE;
2921                         }
2922                         rmtree("$dir/DEBIAN/templates");
2923
2924                         $sql= "update $main::packages_list_tn set template = '$tmpl' where package = '$package' and version = '$newver';";
2925                 push @packages_list_statements, $sql;
2926                 }
2927     }
2928
2929     return;
2930 }
2931
2932
2933 sub register_at_foreign_servers {
2934     my ($kernel) = $_[KERNEL];
2935
2936     # hole alle bekannten server aus known_server_db
2937     my $server_sql = "SELECT * FROM $known_server_tn";
2938     my $server_res = $known_server_db->exec_statement($server_sql);
2939
2940     # no entries in known_server_db
2941     if (not ref(@$server_res[0]) eq "ARRAY") {
2942         # TODO
2943     }
2944
2945     # detect already connected clients
2946     my $client_sql = "SELECT * FROM $known_clients_tn";
2947     my $client_res = $known_clients_db->exec_statement($client_sql);
2948
2949     # send my server details to all other gosa-si-server within the network
2950     foreach my $hit (@$server_res) {
2951         my $hostname = @$hit[0];
2952         my $hostkey = &create_passwd;
2953
2954         # add already connected clients to registration message
2955         my $myhash = &create_xml_hash('new_server', $server_address, $hostname);
2956         &add_content2xml_hash($myhash, 'key', $hostkey);
2957         map(&add_content2xml_hash($myhash, 'client', @{$_}[0].",".@{$_}[4]), @$client_res);
2958
2959         # build registration message and send it
2960         my $foreign_server_msg = &create_xml_string($myhash);
2961         my $error = &send_msg_to_target($foreign_server_msg, $hostname, $ServerPackages_key, "new_server", 0);
2962     }
2963
2964     $kernel->delay_set("register_at_foreign_servers", $foreign_servers_register_delay);
2965     return;
2966 }
2967
2968
2969 #==== MAIN = main ==============================================================
2970 #  parse commandline options
2971 Getopt::Long::Configure( "bundling" );
2972 GetOptions("h|help" => \&usage,
2973         "c|config=s" => \$cfg_file,
2974         "f|foreground" => \$foreground,
2975         "v|verbose+" => \$verbose,
2976         "no-arp+" => \$no_arp,
2977            );
2978
2979 #  read and set config parameters
2980 &check_cmdline_param ;
2981 &read_configfile($cfg_file, %cfg_defaults);
2982 &check_pid;
2983
2984 $SIG{CHLD} = 'IGNORE';
2985
2986 # forward error messages to logfile
2987 if( ! $foreground ) {
2988   open( STDIN,  '+>/dev/null' );
2989   open( STDOUT, '+>&STDIN'    );
2990   open( STDERR, '+>&STDIN'    );
2991 }
2992
2993 # Just fork, if we are not in foreground mode
2994 if( ! $foreground ) {
2995     chdir '/'                 or die "Can't chdir to /: $!";
2996     $pid = fork;
2997     setsid                    or die "Can't start a new session: $!";
2998     umask 0;
2999 } else {
3000     $pid = $$;
3001 }
3002
3003 # Do something useful - put our PID into the pid_file
3004 if( 0 != $pid ) {
3005     open( LOCK_FILE, ">$pid_file" );
3006     print LOCK_FILE "$pid\n";
3007     close( LOCK_FILE );
3008     if( !$foreground ) {
3009         exit( 0 )
3010     };
3011 }
3012
3013 # parse head url and revision from svn
3014 my $server_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
3015 $server_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
3016 $server_headURL = defined $1 ? $1 : 'unknown' ;
3017 $server_revision = defined $2 ? $2 : 'unknown' ;
3018 if ($server_headURL =~ /\/tag\// ||
3019         $server_headURL =~ /\/branches\// ) {
3020     $server_status = "stable";
3021 } else {
3022     $server_status = "developmental" ;
3023 }
3024
3025
3026 daemon_log(" ", 1);
3027 daemon_log("$0 started!", 1);
3028 daemon_log("status: $server_status", 1);
3029 daemon_log($server_status_hash->{$server_status}.": $server_revision", 1);
3030
3031 # connect to incoming_db
3032 unlink($incoming_file_name);
3033 $incoming_db = GOSA::DBsqlite->new($incoming_file_name);
3034 $incoming_db->create_table($incoming_tn, \@incoming_col_names);
3035
3036 # connect to gosa-si job queue
3037 $job_db = GOSA::DBsqlite->new($job_queue_file_name);
3038 $job_db->create_table($job_queue_tn, \@job_queue_col_names);
3039
3040 # connect to known_clients_db
3041 $known_clients_db = GOSA::DBsqlite->new($known_clients_file_name);
3042 $known_clients_db->create_table($known_clients_tn, \@known_clients_col_names);
3043
3044 # connect to foreign_clients_db
3045 $foreign_clients_db = GOSA::DBsqlite->new($foreign_clients_file_name);
3046 $foreign_clients_db->create_table($foreign_clients_tn, \@foreign_clients_col_names);
3047
3048 # connect to known_server_db
3049 unlink($known_server_file_name);
3050 $known_server_db = GOSA::DBsqlite->new($known_server_file_name);
3051 $known_server_db->create_table($known_server_tn, \@known_server_col_names);
3052
3053 # connect to login_usr_db
3054 $login_users_db = GOSA::DBsqlite->new($login_users_file_name);
3055 $login_users_db->create_table($login_users_tn, \@login_users_col_names);
3056
3057 # connect to fai_server_db and fai_release_db
3058 unlink($fai_server_file_name);
3059 $fai_server_db = GOSA::DBsqlite->new($fai_server_file_name);
3060 $fai_server_db->create_table($fai_server_tn, \@fai_server_col_names);
3061
3062 unlink($fai_release_file_name);
3063 $fai_release_db = GOSA::DBsqlite->new($fai_release_file_name);
3064 $fai_release_db->create_table($fai_release_tn, \@fai_release_col_names);
3065
3066 # connect to packages_list_db
3067 #unlink($packages_list_file_name);
3068 unlink($packages_list_under_construction);
3069 $packages_list_db = GOSA::DBsqlite->new($packages_list_file_name);
3070 $packages_list_db->create_table($packages_list_tn, \@packages_list_col_names);
3071
3072 # connect to messaging_db
3073 $messaging_db = GOSA::DBsqlite->new($messaging_file_name);
3074 $messaging_db->create_table($messaging_tn, \@messaging_col_names);
3075
3076
3077 # create xml object used for en/decrypting
3078 $xml = new XML::Simple();
3079
3080
3081 # foreign servers
3082 my @foreign_server_list;
3083
3084 # add foreign server from cfg file
3085 if ($foreign_server_string ne "") {
3086     my @cfg_foreign_server_list = split(",", $foreign_server_string);
3087     foreach my $foreign_server (@cfg_foreign_server_list) {
3088         push(@foreign_server_list, $foreign_server);
3089     }
3090 }
3091
3092 # add foreign server from dns
3093 my @tmp_servers;
3094 if ( !$server_domain) {
3095     # Try our DNS Searchlist
3096     for my $domain(get_dns_domains()) {
3097         chomp($domain);
3098         my @tmp_domains= &get_server_addresses($domain);
3099         if(@tmp_domains) {
3100             for my $tmp_server(@tmp_domains) {
3101                 push @tmp_servers, $tmp_server;
3102             }
3103         }
3104     }
3105     if(@tmp_servers && length(@tmp_servers)==0) {
3106         daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3107     }
3108 } else {
3109     @tmp_servers = &get_server_addresses($server_domain);
3110     if( 0 == @tmp_servers ) {
3111         daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3112     }
3113 }
3114 foreach my $server (@tmp_servers) {
3115     unshift(@foreign_server_list, $server);
3116 }
3117 # eliminate duplicate entries
3118 @foreign_server_list = &del_doubles(@foreign_server_list);
3119 my $all_foreign_server = join(", ", @foreign_server_list);
3120 daemon_log("0 INFO: found foreign server in config file and DNS: $all_foreign_server", 5);
3121
3122 # add all found foreign servers to known_server
3123 my $act_timestamp = &get_time();
3124 foreach my $foreign_server (@foreign_server_list) {
3125
3126         # do not add myself to known_server_db
3127         if (&is_local($foreign_server)) { next; }
3128         ######################################
3129
3130     my $res = $known_server_db->add_dbentry( {table=>$known_server_tn,
3131             primkey=>['hostname'],
3132             hostname=>$foreign_server,
3133             status=>'not_jet_registered',
3134             hostkey=>"none",
3135             timestamp=>$act_timestamp,
3136             } );
3137 }
3138
3139
3140 # Import all modules
3141 &import_modules;
3142
3143 # Check wether all modules are gosa-si valid passwd check
3144 &password_check;
3145
3146 # Prepare for using Opsi
3147 if ($opsi_enabled eq "true") {
3148     use JSON::RPC::Client;
3149     use XML::Quote qw(:all);
3150     $opsi_url= "https://".$opsi_admin.":".$opsi_password."@".$opsi_server.":4447/rpc";
3151     $opsi_client = new JSON::RPC::Client;
3152 }
3153
3154
3155 POE::Component::Server::TCP->new(
3156     Alias => "TCP_SERVER",
3157         Port => $server_port,
3158         ClientInput => sub {
3159         my ($kernel, $input) = @_[KERNEL, ARG0];
3160         push(@tasks, $input);
3161         push(@msgs_to_decrypt, $input);
3162         $kernel->yield("msg_to_decrypt");
3163         },
3164     InlineStates => {
3165         msg_to_decrypt => \&msg_to_decrypt,
3166         next_task => \&next_task,
3167         task_result => \&handle_task_result,
3168         task_done   => \&handle_task_done,
3169         task_debug  => \&handle_task_debug,
3170         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3171     }
3172 );
3173
3174 daemon_log("start socket for incoming xml messages at port '$server_port' ", 1);
3175
3176 # create session for repeatedly checking the job queue for jobs
3177 POE::Session->create(
3178         inline_states => {
3179                 _start => \&session_start,
3180         register_at_foreign_servers => \&register_at_foreign_servers,
3181         sig_handler => \&sig_handler,
3182         next_task => \&next_task,
3183         task_result => \&handle_task_result,
3184         task_done   => \&handle_task_done,
3185         task_debug  => \&handle_task_debug,
3186         watch_for_next_tasks => \&watch_for_next_tasks,
3187         watch_for_new_messages => \&watch_for_new_messages,
3188         watch_for_delivery_messages => \&watch_for_delivery_messages,
3189         watch_for_done_messages => \&watch_for_done_messages,
3190                 watch_for_new_jobs => \&watch_for_new_jobs,
3191         watch_for_modified_jobs => \&watch_for_modified_jobs,
3192         watch_for_done_jobs => \&watch_for_done_jobs,
3193         watch_for_opsi_jobs => \&watch_for_opsi_jobs,
3194         watch_for_old_known_clients => \&watch_for_old_known_clients,
3195         create_packages_list_db => \&run_create_packages_list_db,
3196         create_fai_server_db => \&run_create_fai_server_db,
3197         create_fai_release_db => \&run_create_fai_release_db,
3198                 recreate_packages_db => \&run_recreate_packages_db,
3199         session_run_result => \&session_run_result,
3200         session_run_debug => \&session_run_debug,
3201         session_run_done => \&session_run_done,
3202         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3203         }
3204 );
3205
3206
3207 POE::Kernel->run();
3208 exit;
3209