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
 455     close (DIR);
 456 }
 457
 458 #===  FUNCTION  ================================================================
 459 #         NAME:  password_check
 460 #   PARAMETERS:  nothing
 461 #      RETURNS:  nothing
 462 #  DESCRIPTION:  escalates an critical error if two modules exist which are avaialable by
 463 #                the same password
 464 #===============================================================================
 465 sub password_check {
 466     my $passwd_hash = {};
 467     while (my ($mod_name, $mod_info) = each %$known_modules) {
 468         my $mod_passwd = @$mod_info[1];
 469         if (not defined $mod_passwd) { next; }
 470         if (not exists $passwd_hash->{$mod_passwd}) {
 471             $passwd_hash->{$mod_passwd} = $mod_name;
 472
 473         # escalates critical error
 474         } else {
 475             &daemon_log("0 ERROR: two loaded modules do have the same password. Please modify the 'key'-parameter in config file");
 476             &daemon_log("0 ERROR: module='$mod_name' and module='".$passwd_hash->{$mod_passwd}."'");
 477             exit( -1 );
 478         }
 479     }
 480
 481 }
 482
 483
 484 #===  FUNCTION  ================================================================
 485 #         NAME:  sig_int_handler
 486 #   PARAMETERS:  signal - string - signal arose from system
 487 #      RETURNS:  nothing
 488 #  DESCRIPTION:  handels tasks to be done befor signal becomes active
 489 #===============================================================================
 490 sub sig_int_handler {
 491     my ($signal) = @_;
 492
 493 #       if (defined($ldap_handle)) {
 494 #               $ldap_handle->disconnect;
 495 #       }
 496     # TODO alle verbliebenden ldap verbindungen aus allen heaps beenden
 497
 498
 499     daemon_log("shutting down gosa-si-server", 1);
 500     system("kill `ps -C gosa-si-server -o pid=`");
 501 }
 502 $SIG{INT} = \&sig_int_handler;
 503
 504
 505 sub check_key_and_xml_validity {
 506     my ($crypted_msg, $module_key, $session_id) = @_;
 507     my $msg;
 508     my $msg_hash;
 509     my $error_string;
 510     eval{
 511         $msg = &decrypt_msg($crypted_msg, $module_key);
 512
 513         if ($msg =~ /<xml>/i){
 514             $msg =~ s/\s+/ /g;  # just for better daemon_log
 515             daemon_log("$session_id DEBUG: decrypted_msg: \n$msg", 8);
 516             $msg_hash = $xml->XMLin($msg, ForceArray=>1);
 517
 518             ##############
 519             # check header
 520             if( not exists $msg_hash->{'header'} ) { die "no header specified"; }
 521             my $header_l = $msg_hash->{'header'};
 522             if( 1 > @{$header_l} ) { die 'empty header tag'; }
 523             if( 1 < @{$header_l} ) { die 'more than one header specified'; }
 524             my $header = @{$header_l}[0];
 525             if( 0 == length $header) { die 'empty string in header tag'; }
 526
 527             ##############
 528             # check source
 529             if( not exists $msg_hash->{'source'} ) { die "no source specified"; }
 530             my $source_l = $msg_hash->{'source'};
 531             if( 1 > @{$source_l} ) { die 'empty source tag'; }
 532             if( 1 < @{$source_l} ) { die 'more than one source specified'; }
 533             my $source = @{$source_l}[0];
 534             if( 0 == length $source) { die 'source error'; }
 535
 536             ##############
 537             # check target
 538             if( not exists $msg_hash->{'target'} ) { die "no target specified"; }
 539             my $target_l = $msg_hash->{'target'};
 540             if( 1 > @{$target_l} ) { die 'empty target tag'; }
 541         }
 542     };
 543     if($@) {
 544         daemon_log("$session_id ERROR: do not understand the message: $@", 1);
 545         $msg = undef;
 546         $msg_hash = undef;
 547     }
 548
 549     return ($msg, $msg_hash);
 550 }
 551
 552
 553 sub check_outgoing_xml_validity {
 554     my ($msg, $session_id) = @_;
 555
 556     my $msg_hash;
 557     eval{
 558         $msg_hash = $xml->XMLin($msg, ForceArray=>1);
 559
 560         ##############
 561         # check header
 562         my $header_l = $msg_hash->{'header'};
 563         if( 1 != @{$header_l} ) {
 564             die 'no or more than one headers specified';
 565         }
 566         my $header = @{$header_l}[0];
 567         if( 0 == length $header) {
 568             die 'header has length 0';
 569         }
 570
 571         ##############
 572         # check source
 573         my $source_l = $msg_hash->{'source'};
 574         if( 1 != @{$source_l} ) {
 575             die 'no or more than 1 sources specified';
 576         }
 577         my $source = @{$source_l}[0];
 578         if( 0 == length $source) {
 579             die 'source has length 0';
 580         }
 581         unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
 582                 $source =~ /^GOSA$/i ) {
 583             die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
 584         }
 585
 586         ##############
 587         # check target
 588         my $target_l = $msg_hash->{'target'};
 589         if( 0 == @{$target_l} ) {
 590             die "no targets specified";
 591         }
 592         foreach my $target (@$target_l) {
 593             if( 0 == length $target) {
 594                 die "target has length 0";
 595             }
 596             unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
 597                     $target =~ /^GOSA$/i ||
 598                     $target =~ /^\*$/ ||
 599                     $target =~ /KNOWN_SERVER/i ||
 600                     $target =~ /JOBDB/i ||
 601                     $target =~ /^([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})$/i ){
 602                 die "target '$target' is not a complete ip-address with port or a valid target name or a mac-address";
 603             }
 604         }
 605     };
 606     if($@) {
 607         daemon_log("$session_id ERROR: outgoing msg is not gosa-si envelope conform: $@", 1);
 608         daemon_log("$@ ".(defined($msg) && length($msg)>0)?$msg:"Empty Message", 1);
 609         $msg_hash = undef;
 610     }
 611
 612     return ($msg_hash);
 613 }
 614
 615
 616 sub input_from_known_server {
 617     my ($input, $remote_ip, $session_id) = @_ ;
 618     my ($msg, $msg_hash, $module);
 619
 620     my $sql_statement= "SELECT * FROM known_server";
 621     my $query_res = $known_server_db->select_dbentry( $sql_statement );
 622
 623     while( my ($hit_num, $hit) = each %{ $query_res } ) {
 624         my $host_name = $hit->{hostname};
 625         if( not $host_name =~ "^$remote_ip") {
 626             next;
 627         }
 628         my $host_key = $hit->{hostkey};
 629         daemon_log("$session_id DEBUG: input_from_known_server: host_name: $host_name", 7);
 630         daemon_log("$session_id DEBUG: input_from_known_server: host_key: $host_key", 7);
 631
 632         # check if module can open msg envelope with module key
 633         my ($tmp_msg, $tmp_msg_hash) = &check_key_and_xml_validity($input, $host_key, $session_id);
 634         if( (!$tmp_msg) || (!$tmp_msg_hash) ) {
 635             daemon_log("$session_id DEBUG: input_from_known_server: deciphering raise error", 7);
 636             daemon_log("$@", 8);
 637             next;
 638         }
 639         else {
 640             $msg = $tmp_msg;
 641             $msg_hash = $tmp_msg_hash;
 642             $module = "ServerPackages";
 643             last;
 644         }
 645     }
 646
 647     if( (!$msg) || (!$msg_hash) || (!$module) ) {
 648         daemon_log("$session_id DEBUG: Incoming message is not from a known server", 7);
 649     }
 650
 651     return ($msg, $msg_hash, $module);
 652 }
 653
 654
 655 sub input_from_known_client {
 656     my ($input, $remote_ip, $session_id) = @_ ;
 657     my ($msg, $msg_hash, $module);
 658
 659     my $sql_statement= "SELECT * FROM known_clients";
 660     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
 661     while( my ($hit_num, $hit) = each %{ $query_res } ) {
 662         my $host_name = $hit->{hostname};
 663         if( not $host_name =~ /^$remote_ip:\d*$/) {
 664                 next;
 665                 }
 666         my $host_key = $hit->{hostkey};
 667         &daemon_log("$session_id DEBUG: input_from_known_client: host_name: $host_name", 7);
 668         &daemon_log("$session_id DEBUG: input_from_known_client: host_key: $host_key", 7);
 669
 670         # check if module can open msg envelope with module key
 671         ($msg, $msg_hash) = &check_key_and_xml_validity($input, $host_key, $session_id);
 672
 673         if( (!$msg) || (!$msg_hash) ) {
 674             &daemon_log("$session_id DEGUG: input_from_known_client: deciphering raise error", 7);
 675             &daemon_log("$@", 8);
 676             next;
 677         }
 678         else {
 679             $module = "ClientPackages";
 680             last;
 681         }
 682     }
 683
 684     if( (!$msg) || (!$msg_hash) || (!$module) ) {
 685         &daemon_log("$session_id DEBUG: Incoming message is not from a known client", 7);
 686     }
 687
 688     return ($msg, $msg_hash, $module);
 689 }
 690
 691
 692 sub input_from_unknown_host {
 693     no strict "refs";
 694     my ($input, $session_id) = @_ ;
 695     my ($msg, $msg_hash, $module);
 696     my $error_string;
 697
 698         my %act_modules = %$known_modules;
 699
 700     while( my ($mod, $info) = each(%act_modules)) {
 701
 702         # check a key exists for this module
 703         my $module_key = ${$mod."_key"};
 704         if( not defined $module_key ) {
 705             if( $mod eq 'ArpHandler' ) {
 706                 next;
 707             }
 708             daemon_log("$session_id ERROR: no key specified in config file for $mod", 1);
 709             next;
 710         }
 711         daemon_log("$session_id DEBUG: $mod: $module_key", 7);
 712
 713         # check if module can open msg envelope with module key
 714         ($msg, $msg_hash) = &check_key_and_xml_validity($input, $module_key, $session_id);
 715         if( (not defined $msg) || (not defined $msg_hash) ) {
 716             next;
 717         }
 718         else {
 719             $module = $mod;
 720             last;
 721         }
 722     }
 723
 724     if( (!$msg) || (!$msg_hash) || (!$module)) {
 725         daemon_log("$session_id DEBUG: Incoming message is not from an unknown host", 7);
 726     }
 727
 728     return ($msg, $msg_hash, $module);
 729 }
 730
 731
 732 sub create_ciphering {
 733     my ($passwd) = @_;
 734         if((!defined($passwd)) || length($passwd)==0) {
 735                 $passwd = "";
 736         }
 737     $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
 738     my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
 739     my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
 740     $my_cipher->set_iv($iv);
 741     return $my_cipher;
 742 }
 743
 744
 745 sub encrypt_msg {
 746     my ($msg, $key) = @_;
 747     my $my_cipher = &create_ciphering($key);
 748     my $len;
 749     {
 750             use bytes;
 751             $len= 16-length($msg)%16;
 752     }
 753     $msg = "\0"x($len).$msg;
 754     $msg = $my_cipher->encrypt($msg);
 755     chomp($msg = &encode_base64($msg));
 756     # there are no newlines allowed inside msg
 757     $msg=~ s/\n//g;
 758     return $msg;
 759 }
 760
 761
 762 sub decrypt_msg {
 763
 764     my ($msg, $key) = @_ ;
 765     $msg = &decode_base64($msg);
 766     my $my_cipher = &create_ciphering($key);
 767     $msg = $my_cipher->decrypt($msg);
 768     $msg =~ s/\0*//g;
 769     return $msg;
 770 }
 771
 772
 773 sub get_encrypt_key {
 774     my ($target) = @_ ;
 775     my $encrypt_key;
 776     my $error = 0;
 777
 778     # target can be in known_server
 779     if( not defined $encrypt_key ) {
 780         my $sql_statement= "SELECT * FROM known_server WHERE hostname='$target'";
 781         my $query_res = $known_server_db->select_dbentry( $sql_statement );
 782         while( my ($hit_num, $hit) = each %{ $query_res } ) {
 783             my $host_name = $hit->{hostname};
 784             if( $host_name ne $target ) {
 785                 next;
 786             }
 787             $encrypt_key = $hit->{hostkey};
 788             last;
 789         }
 790     }
 791
 792     # target can be in known_client
 793     if( not defined $encrypt_key ) {
 794         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$target'";
 795         my $query_res = $known_clients_db->select_dbentry( $sql_statement );
 796         while( my ($hit_num, $hit) = each %{ $query_res } ) {
 797             my $host_name = $hit->{hostname};
 798             if( $host_name ne $target ) {
 799                 next;
 800             }
 801             $encrypt_key = $hit->{hostkey};
 802             last;
 803         }
 804     }
 805
 806     return $encrypt_key;
 807 }
 808
 809
 810 #===  FUNCTION  ================================================================
 811 #         NAME:  open_socket
 812 #   PARAMETERS:  PeerAddr string something like 192.168.1.1 or 192.168.1.1:10000
 813 #                [PeerPort] string necessary if port not appended by PeerAddr
 814 #      RETURNS:  socket IO::Socket::INET
 815 #  DESCRIPTION:  open a socket to PeerAddr
 816 #===============================================================================
 817 sub open_socket {
 818     my ($PeerAddr, $PeerPort) = @_ ;
 819     if(defined($PeerPort)){
 820         $PeerAddr = $PeerAddr.":".$PeerPort;
 821     }
 822     my $socket;
 823     $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
 824             Porto => "tcp",
 825             Type => SOCK_STREAM,
 826             Timeout => 5,
 827             );
 828     if(not defined $socket) {
 829         return;
 830     }
 831 #    &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
 832     return $socket;
 833 }
 834
 835
 836 sub get_local_ip_for_remote_ip {
 837         my $remote_ip= shift;
 838         my $result="0.0.0.0";
 839
 840         if($remote_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) {
 841                 if($remote_ip eq "127.0.0.1") {
 842                         $result = "127.0.0.1";
 843                 } else {
 844                         my $PROC_NET_ROUTE= ('/proc/net/route');
 845
 846                         open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
 847                                 or die "Could not open $PROC_NET_ROUTE";
 848
 849                         my @ifs = <PROC_NET_ROUTE>;
 850
 851                         close(PROC_NET_ROUTE);
 852
 853                         # Eat header line
 854                         shift @ifs;
 855                         chomp @ifs;
 856                         foreach my $line(@ifs) {
 857                                 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
 858                                 my $destination;
 859                                 my $mask;
 860                                 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
 861                                 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
 862                                 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
 863                                 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
 864                                 if(new NetAddr::IP($remote_ip)->within(new NetAddr::IP($destination, $mask))) {
 865                                         # destination matches route, save mac and exit
 866                                         $result= &get_ip($Iface);
 867                                         last;
 868                                 }
 869                         }
 870                 }
 871         } else {
 872                 daemon_log("0 WARNING: get_local_ip_for_remote_ip() was called with a non-ip parameter: '$remote_ip'", 1);
 873         }
 874         return $result;
 875 }
 876
 877
 878 sub send_msg_to_target {
 879     my ($msg, $address, $encrypt_key, $msg_header, $session_id) = @_ ;
 880     my $error = 0;
 881     my $header;
 882     my $timestamp = &get_time();
 883     my $new_status;
 884     my $act_status;
 885     my ($sql_statement, $res);
 886
 887     if( $msg_header ) {
 888         $header = "'$msg_header'-";
 889     } else {
 890         $header = "";
 891     }
 892
 893         # Patch the source ip
 894         if($msg =~ /<source>0\.0\.0\.0:\d*?<\/source>/) {
 895                 my $remote_ip = &get_local_ip_for_remote_ip(sprintf("%s", $address =~ /^([0-9\.]*?):.*$/));
 896                 $msg =~ s/<source>(0\.0\.0\.0):(\d*?)<\/source>/<source>$remote_ip:$2<\/source>/s;
 897         }
 898
 899     # encrypt xml msg
 900     my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
 901
 902     # opensocket
 903     my $socket = &open_socket($address);
 904     if( !$socket ) {
 905         daemon_log("$session_id WARNING: cannot send ".$header."msg to $address , host not reachable", 3);
 906         $error++;
 907     }
 908
 909     if( $error == 0 ) {
 910         # send xml msg
 911         print $socket $crypted_msg."\n";
 912
 913         daemon_log("$session_id INFO: send ".$header."msg to $address", 5);
 914         daemon_log("$session_id DEBUG: message:\n$msg", 9);
 915
 916     }
 917
 918     # close socket in any case
 919     if( $socket ) {
 920         close $socket;
 921     }
 922
 923     if( $error > 0 ) { $new_status = "down"; }
 924     else { $new_status = $msg_header; }
 925
 926
 927     # known_clients
 928     $sql_statement = "SELECT * FROM $known_clients_tn WHERE hostname='$address'";
 929     $res = $known_clients_db->select_dbentry($sql_statement);
 930     if( keys(%$res) == 1) {
 931         $act_status = exists $res->{1}->{'status'} ? $res->{1}->{'status'} : "";
 932         if ($act_status eq "down" && $new_status eq "down") {
 933             $sql_statement = "DELETE FROM known_clients WHERE hostname='$address'";
 934             $res = $known_clients_db->del_dbentry($sql_statement);
 935             daemon_log("$session_id WARNING: failed 2x to send msg to host '$address', delete host from known_clients", 3);
 936         } else {
 937             $sql_statement = "UPDATE known_clients SET status='$new_status', timestamp='$timestamp' WHERE hostname='$address'";
 938             $res = $known_clients_db->update_dbentry($sql_statement);
 939             if($new_status eq "down"){
 940                 daemon_log("$session_id WARNING: set '$address' from status '$act_status' to '$new_status'", 3);
 941             } else {
 942                 daemon_log("$session_id INFO: set '$address' from status '$act_status' to '$new_status'", 5);
 943             }
 944         }
 945     }
 946
 947     # known_server
 948     $sql_statement = "SELECT * FROM $known_server_tn WHERE hostname='$address'";
 949     $res = $known_server_db->select_dbentry($sql_statement);
 950     if( keys(%$res) == 1) {
 951         $act_status = exists $res->{1}->{'status'} ? $res->{1}->{'status'} : "";
 952         if ($act_status eq "down" && $new_status eq "down") {
 953             $sql_statement = "DELETE FROM known_server WHERE hostname='$address'";
 954             $res = $known_server_db->del_dbentry($sql_statement);
 955             daemon_log("$session_id WARNING: failed 2x to send a message to host '$address', delete host from known_server", 3);
 956         }
 957         else {
 958             $sql_statement = "UPDATE known_server SET status='$new_status', timestamp='$timestamp' WHERE hostname='$address'";
 959             $res = $known_server_db->update_dbentry($sql_statement);
 960             if($new_status eq "down"){
 961                 daemon_log("$session_id WARNING: set '$address' from status '$act_status' to '$new_status'", 3);
 962             } else {
 963                 daemon_log("$session_id INFO: set '$address' from status '$act_status' to '$new_status'", 5);
 964             }
 965         }
 966     }
 967     return $error;
 968 }
 969
 970
 971 sub update_jobdb_status_for_send_msgs {
 972     my ($answer, $error) = @_;
 973     if( $answer =~ /<jobdb_id>(\d+)<\/jobdb_id>/ ) {
 974         my $jobdb_id = $1;
 975
 976         # sending msg faild
 977         if( $error ) {
 978             if (not $answer =~ /<header>trigger_action_reinstall<\/header>/) {
 979                 my $sql_statement = "UPDATE $job_queue_tn ".
 980                     "SET status='error', result='can not deliver msg, please consult log file' ".
 981                     "WHERE id=$jobdb_id";
 982                 my $res = $job_db->update_dbentry($sql_statement);
 983             }
 984
 985         # sending msg was successful
 986         } else {
 987             my $sql_statement = "UPDATE $job_queue_tn ".
 988                 "SET status='done' ".
 989                 "WHERE id=$jobdb_id AND status='processed'";
 990             my $res = $job_db->update_dbentry($sql_statement);
 991         }
 992     }
 993 }
 994
 995
 996 sub sig_handler {
 997         my ($kernel, $signal) = @_[KERNEL, ARG0] ;
 998         daemon_log("0 INFO got signal '$signal'", 1);
 999         $kernel->sig_handled();
1000         return;
1001 }
1002
1003
1004 sub msg_to_decrypt {
1005     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
1006     my $session_id = $session->ID;
1007     my ($msg, $msg_hash, $module);
1008     my $error = 0;
1009
1010     # hole neue msg aus @msgs_to_decrypt
1011     my $next_msg = shift @msgs_to_decrypt;
1012
1013     # entschlüssle sie
1014
1015     # msg is from a new client or gosa
1016     ($msg, $msg_hash, $module) = &input_from_unknown_host($next_msg, $session_id);
1017     # msg is from a gosa-si-server
1018     if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1019         ($msg, $msg_hash, $module) = &input_from_known_server($next_msg, $heap->{'remote_ip'}, $session_id);
1020     }
1021     # msg is from a gosa-si-client
1022     if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1023         ($msg, $msg_hash, $module) = &input_from_known_client($next_msg, $heap->{'remote_ip'}, $session_id);
1024     }
1025     # an error occurred
1026     if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1027         # if an incoming msg could not be decrypted (maybe a wrong key), send client a ping. If the client
1028         # could not understand a msg from its server the client cause a re-registering process
1029         daemon_log("$session_id WARNING cannot understand incoming msg, send 'ping'-msg to all host with ip '".$heap->{remote_ip}.
1030                 "' to cause a re-registering of the client if necessary", 3);
1031         my $sql_statement = "SELECT * FROM $main::known_clients_tn WHERE (hostname LIKE '".$heap->{'remote_ip'}."%')";
1032         my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1033         while( my ($hit_num, $hit) = each %{ $query_res } ) {
1034             my $host_name = $hit->{'hostname'};
1035             my $host_key = $hit->{'hostkey'};
1036             my $ping_msg = "<xml> <header>gosa_ping</header> <source>$server_address</source> <target>$host_name</target></xml>";
1037             my $error = &send_msg_to_target($ping_msg, $host_name, $host_key, "gosa_ping", $session_id);
1038             &update_jobdb_status_for_send_msgs($ping_msg, $error);
1039         }
1040         $error++;
1041     }
1042
1043
1044     my $header;
1045     my $target;
1046     my $source;
1047     my $done = 0;
1048     my $sql;
1049     my $res;
1050
1051     # check whether this message should be processed here
1052     if ($error == 0) {
1053         $header = @{$msg_hash->{'header'}}[0];
1054         $target = @{$msg_hash->{'target'}}[0];
1055         $source = @{$msg_hash->{'source'}}[0];
1056                 my $not_found_in_known_clients_db = 0;
1057                 my $not_found_in_known_server_db = 0;
1058                 my $not_found_in_foreign_clients_db = 0;
1059         my $local_address;
1060         my ($target_ip, $target_port) = split(':', $target);
1061                 if ($target =~ /^\d+\.\d+\.\d+\.\d+:\d+$/) {
1062                         $local_address = &get_local_ip_for_remote_ip($target_ip).":$server_port";
1063                 } else {
1064             $local_address = $server_address;
1065         }
1066
1067         # target and source is equal to GOSA -> process here
1068         if (not $done) {
1069             if ($target eq "GOSA" && $source eq "GOSA") {
1070                 $done = 1;
1071             }
1072         }
1073
1074         # target is own address without forward_to_gosa-tag -> process here
1075         if (not $done) {
1076             if (($target eq $local_address) && (not exists $msg_hash->{'forward_to_gosa'})) {
1077                 $done = 1;
1078                 if ($source eq "GOSA") {
1079                     $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1080                 }
1081                 #print STDERR "target is own address without forward_to_gosa-tag -> process here\n";
1082             }
1083         }
1084
1085         # target is a client address in known_clients -> process here
1086                 if (not $done) {
1087                                 $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$target' OR macaddress LIKE '$target')";
1088                                 $res = $known_clients_db->select_dbentry($sql);
1089                                 if (keys(%$res) > 0) {
1090                                                 $done = 1;
1091                                                 my $hostname = $res->{1}->{'hostname'};
1092                                                 $msg =~ s/<target>$target<\/target>/<target>$hostname<\/target>/;
1093                                                 #print STDERR "target is a client address in known_clients -> process here\n";
1094                         my $local_address = &get_local_ip_for_remote_ip($target_ip).":$server_port";
1095                         if ($source eq "GOSA") {
1096                             $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1097                         }
1098
1099                                 } else {
1100                                                 $not_found_in_known_clients_db = 1;
1101                                 }
1102                 }
1103
1104         # target ist own address with forward_to_gosa-tag not pointing to myself -> process here
1105         if (not $done) {
1106             my $forward_to_gosa =  @{$msg_hash->{'forward_to_gosa'}}[0];
1107             my $gosa_at;
1108             my $gosa_session_id;
1109             if (($target eq $local_address) && (defined $forward_to_gosa)){
1110                 my ($gosa_at, $gosa_session_id) = split(/,/, $forward_to_gosa);
1111                 if ($gosa_at ne $local_address) {
1112                     $done = 1;
1113                     #print STDERR "target is own address with forward_to_gosa-tag not pointing to myself -> process here\n";
1114                 }
1115             }
1116         }
1117
1118         # if message should be processed here -> add message to incoming_db
1119                 if ($done) {
1120                                 # if a job or a gosa message comes from a foreign server, fake module to GosaPackages
1121                                 # so gosa-si-server knows how to process this kind of messages
1122                                 if ($header =~ /^gosa_/ || $header =~ /^job_/) {
1123                                                 $module = "GosaPackages";
1124                                 }
1125
1126                                 my $res = $incoming_db->add_dbentry( {table=>$incoming_tn,
1127                                                                 primkey=>[],
1128                                                                 headertag=>$header,
1129                                                                 targettag=>$target,
1130                                                                 xmlmessage=>&encode_base64($msg),
1131                                                                 timestamp=>&get_time,
1132                                                                 module=>$module,
1133                                                                 sessionid=>$session_id,
1134                                                                 } );
1135                 }
1136
1137         # target is own address with forward_to_gosa-tag pointing at myself -> forward to gosa
1138         if (not $done) {
1139             my $forward_to_gosa =  @{$msg_hash->{'forward_to_gosa'}}[0];
1140             my $gosa_at;
1141             my $gosa_session_id;
1142             if (($target eq $local_address) && (defined $forward_to_gosa)){
1143                 my ($gosa_at, $gosa_session_id) = split(/,/, $forward_to_gosa);
1144                 if ($gosa_at eq $local_address) {
1145                     my $session_reference = $kernel->ID_id_to_session($gosa_session_id);
1146                     if( defined $session_reference ) {
1147                         $heap = $session_reference->get_heap();
1148                     }
1149                     if(exists $heap->{'client'}) {
1150                         $msg = &encrypt_msg($msg, $GosaPackages_key);
1151                         $heap->{'client'}->put($msg);
1152                         &daemon_log("$session_id INFO: incoming '$header' message forwarded to GOsa", 5);
1153                     }
1154                     $done = 1;
1155                     #print STDERR "target is own address with forward_to_gosa-tag pointing at myself -> forward to gosa\n";
1156                 }
1157             }
1158
1159         }
1160
1161         # target is a client address in foreign_clients -> forward to registration server
1162         if (not $done) {
1163             $sql = "SELECT * FROM $foreign_clients_tn WHERE (hostname='$target' OR macaddress LIKE '$target')";
1164             $res = $foreign_clients_db->select_dbentry($sql);
1165             if (keys(%$res) > 0) {
1166                     my $hostname = $res->{1}->{'hostname'};
1167                     my ($host_ip, $host_port) = split(/:/, $hostname);
1168                     my $local_address =  &get_local_ip_for_remote_ip($host_ip).":$server_port";
1169                 my $regserver = $res->{1}->{'regserver'};
1170                 my $sql = "SELECT * FROM $known_server_tn WHERE hostname='$regserver'";
1171                 my $res = $known_server_db->select_dbentry($sql);
1172                 if (keys(%$res) > 0) {
1173                     my $regserver_key = $res->{1}->{'hostkey'};
1174                     $msg =~ s/<source>GOSA<\/source>/<source>$local_address<\/source>/;
1175                     $msg =~ s/<target>$target<\/target>/<target>$hostname<\/target>/;
1176                     if ($source eq "GOSA") {
1177                         $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1178                     }
1179                     &send_msg_to_target($msg, $regserver, $regserver_key, $header, $session_id);
1180                 }
1181                 $done = 1;
1182                 #print STDERR "target is a client address in foreign_clients -> forward to registration server\n";
1183             } else {
1184                                 $not_found_in_foreign_clients_db = 1;
1185                         }
1186         }
1187
1188         # target is a server address -> forward to server
1189         if (not $done) {
1190             $sql = "SELECT * FROM $known_server_tn WHERE hostname='$target'";
1191             $res = $known_server_db->select_dbentry($sql);
1192             if (keys(%$res) > 0) {
1193                 my $hostkey = $res->{1}->{'hostkey'};
1194
1195                 if ($source eq "GOSA") {
1196                     $msg =~ s/<source>GOSA<\/source>/<source>$local_address<\/source>/;
1197                     $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1198
1199                 }
1200
1201                 &send_msg_to_target($msg, $target, $hostkey, $header, $session_id);
1202                 $done = 1;
1203                 #print STDERR "target is a server address -> forward to server\n";
1204             } else {
1205                                 $not_found_in_known_server_db = 1;
1206                         }
1207         }
1208
1209
1210                 # target is not in foreign_clients_db, known_server_db or known_clients_db, maybe it is a complete new one -> process here
1211                 if ( $not_found_in_foreign_clients_db
1212                                                 && $not_found_in_known_server_db
1213                                                 && $not_found_in_known_clients_db) {
1214                                 my $res = $incoming_db->add_dbentry( {table=>$incoming_tn,
1215                                                                 primkey=>[],
1216                                                                 headertag=>$header,
1217                                                                 targettag=>$target,
1218                                                                 xmlmessage=>&encode_base64($msg),
1219                                                                 timestamp=>&get_time,
1220                                                                 module=>$module,
1221                                                                 sessionid=>$session_id,
1222                                                                 } );
1223                                 $done = 1;
1224                 }
1225
1226
1227         if (not $done) {
1228             daemon_log("$session_id ERROR: do not know what to do with this message: $msg", 1);
1229             if ($source eq "GOSA") {
1230                 my %data = ('error_msg' => &encode_base64($msg), 'error_string' => "Do not know what to do with this message!");
1231                 my $error_msg = &build_msg("error", $local_address, "GOSA", \%data );
1232
1233                 my $session_reference = $kernel->ID_id_to_session($session_id);
1234                 if( defined $session_reference ) {
1235                     $heap = $session_reference->get_heap();
1236                 }
1237                 if(exists $heap->{'client'}) {
1238                     $error_msg = &encrypt_msg($error_msg, $GosaPackages_key);
1239                     $heap->{'client'}->put($error_msg);
1240                 }
1241             }
1242         }
1243
1244     }
1245
1246     return;
1247 }
1248
1249
1250 sub next_task {
1251     my ($session, $heap, $task) = @_[SESSION, HEAP, ARG0];
1252     my $running_task = POE::Wheel::Run->new(
1253             Program => sub { process_task($session, $heap, $task) },
1254             StdioFilter => POE::Filter::Reference->new(),
1255             StdoutEvent  => "task_result",
1256             StderrEvent  => "task_debug",
1257             CloseEvent   => "task_done",
1258             );
1259     $heap->{task}->{ $running_task->ID } = $running_task;
1260 }
1261
1262 sub handle_task_result {
1263     my ($kernel, $heap, $result) = @_[KERNEL, HEAP, ARG0];
1264     my $client_answer = $result->{'answer'};
1265     if( $client_answer =~ s/session_id=(\d+)$// ) {
1266         my $session_id = $1;
1267         if( defined $session_id ) {
1268             my $session_reference = $kernel->ID_id_to_session($session_id);
1269             if( defined $session_reference ) {
1270                 $heap = $session_reference->get_heap();
1271             }
1272         }
1273
1274         if(exists $heap->{'client'}) {
1275             $heap->{'client'}->put($client_answer);
1276         }
1277     }
1278     $kernel->sig(CHLD => "child_reap");
1279 }
1280
1281 sub handle_task_debug {
1282     my $result = $_[ARG0];
1283     print STDERR "$result\n";
1284 }
1285
1286 sub handle_task_done {
1287     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
1288     delete $heap->{task}->{$task_id};
1289 }
1290
1291 sub process_task {
1292     no strict "refs";
1293     #CHECK: Not @_[...]?
1294     my ($session, $heap, $task) = @_;
1295     my $error = 0;
1296     my $answer_l;
1297     my ($answer_header, @answer_target_l, $answer_source);
1298     my $client_answer = "";
1299
1300     # prepare all variables needed to process message
1301     #my $msg = $task->{'xmlmessage'};
1302     my $msg = &decode_base64($task->{'xmlmessage'});
1303     my $incoming_id = $task->{'id'};
1304     my $module = $task->{'module'};
1305     my $header =  $task->{'headertag'};
1306     my $session_id = $task->{'sessionid'};
1307     my $msg_hash = $xml->XMLin($msg, ForceArray=>1);
1308     my $source = @{$msg_hash->{'source'}}[0];
1309
1310     # set timestamp of incoming client uptodate, so client will not
1311     # be deleted from known_clients because of expiration
1312     my $act_time = &get_time();
1313     my $sql = "UPDATE $known_clients_tn SET timestamp='$act_time' WHERE hostname='$source'";
1314     my $res = $known_clients_db->exec_statement($sql);
1315
1316     ######################
1317     # process incoming msg
1318     if( $error == 0) {
1319         daemon_log("$session_id INFO: Incoming msg (session_id=$session_id) with header '".@{$msg_hash->{'header'}}[0]."'", 5);
1320         daemon_log("$session_id DEBUG: Processing module ".$module, 7);
1321         $answer_l = &{ $module."::process_incoming_msg" }($msg, $msg_hash, $session_id);
1322
1323         if ( 0 < @{$answer_l} ) {
1324             my $answer_str = join("\n", @{$answer_l});
1325             while ($answer_str =~ /<header>(\w+)<\/header>/g) {
1326                 daemon_log("$session_id INFO: got answer message with header '$1'", 5);
1327             }
1328             daemon_log("$session_id DEBUG: $module: got answer from module: \n".$answer_str,8);
1329         } else {
1330             daemon_log("$session_id DEBUG: $module: got no answer from module!" ,8);
1331         }
1332
1333     }
1334     if( !$answer_l ) { $error++ };
1335
1336     ########
1337     # answer
1338     if( $error == 0 ) {
1339
1340         foreach my $answer ( @{$answer_l} ) {
1341             # check outgoing msg to xml validity
1342             my $answer_hash = &check_outgoing_xml_validity($answer, $session_id);
1343             if( not defined $answer_hash ) { next; }
1344
1345             $answer_header = @{$answer_hash->{'header'}}[0];
1346             @answer_target_l = @{$answer_hash->{'target'}};
1347             $answer_source = @{$answer_hash->{'source'}}[0];
1348
1349             # deliver msg to all targets
1350             foreach my $answer_target ( @answer_target_l ) {
1351
1352                 # targets of msg are all gosa-si-clients in known_clients_db
1353                 if( $answer_target eq "*" ) {
1354                     # answer is for all clients
1355                     my $sql_statement= "SELECT * FROM known_clients";
1356                     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1357                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1358                         my $host_name = $hit->{hostname};
1359                         my $host_key = $hit->{hostkey};
1360                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1361                         &update_jobdb_status_for_send_msgs($answer, $error);
1362                     }
1363                 }
1364
1365                 # targets of msg are all gosa-si-server in known_server_db
1366                 elsif( $answer_target eq "KNOWN_SERVER" ) {
1367                     # answer is for all server in known_server
1368                     my $sql_statement= "SELECT * FROM $known_server_tn";
1369                     my $query_res = $known_server_db->select_dbentry( $sql_statement );
1370                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1371                         my $host_name = $hit->{hostname};
1372                         my $host_key = $hit->{hostkey};
1373                         $answer =~ s/<target>\S+<\/target>/<target>$host_name<\/target>/g;
1374                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1375                         &update_jobdb_status_for_send_msgs($answer, $error);
1376                     }
1377                 }
1378
1379                 # target of msg is GOsa
1380                                 elsif( $answer_target eq "GOSA" ) {
1381                                         my $session_id = ($1) if $answer =~ /<session_id>(\d+?)<\/session_id>/;
1382                                         my $add_on = "";
1383                     if( defined $session_id ) {
1384                         $add_on = ".session_id=$session_id";
1385                     }
1386                     # answer is for GOSA and has to returned to connected client
1387                     my $gosa_answer = &encrypt_msg($answer, $GosaPackages_key);
1388                     $client_answer = $gosa_answer.$add_on;
1389                 }
1390
1391                 # target of msg is job queue at this host
1392                 elsif( $answer_target eq "JOBDB") {
1393                     $answer =~ /<header>(\S+)<\/header>/;
1394                     my $header;
1395                     if( defined $1 ) { $header = $1; }
1396                     my $error = &send_msg_to_target($answer, $server_address, $GosaPackages_key, $header, $session_id);
1397                     &update_jobdb_status_for_send_msgs($answer, $error);
1398                 }
1399
1400                 # Target of msg is a mac address
1401                 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 ) {
1402                     daemon_log("$session_id INFO: target is mac address '$answer_target', looking for host in known_clients and foreign_clients", 5);
1403                     my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$answer_target'";
1404                     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1405                     my $found_ip_flag = 0;
1406                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1407                         my $host_name = $hit->{hostname};
1408                         my $host_key = $hit->{hostkey};
1409                         $answer =~ s/$answer_target/$host_name/g;
1410                         daemon_log("$session_id INFO: found host '$host_name', associated to '$answer_target'", 5);
1411                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1412                         &update_jobdb_status_for_send_msgs($answer, $error);
1413                         $found_ip_flag++ ;
1414                     }
1415                     if ($found_ip_flag == 0) {
1416                         my $sql = "SELECT * FROM $foreign_clients_tn WHERE macaddress LIKE '$answer_target'";
1417                         my $res = $foreign_clients_db->select_dbentry($sql);
1418                         while( my ($hit_num, $hit) = each %{ $res } ) {
1419                             my $host_name = $hit->{hostname};
1420                             my $reg_server = $hit->{regserver};
1421                             daemon_log("$session_id INFO: found host '$host_name' with mac '$answer_target', registered at '$reg_server'", 5);
1422
1423                             # Fetch key for reg_server
1424                             my $reg_server_key;
1425                             my $sql = "SELECT * FROM $known_server_tn WHERE hostname='$reg_server'";
1426                             my $res = $known_server_db->select_dbentry($sql);
1427                             if (exists $res->{1}) {
1428                                 $reg_server_key = $res->{1}->{'hostkey'};
1429                             } else {
1430                                 daemon_log("$session_id ERROR: cannot find hostkey for '$host_name' in '$known_server_tn'", 1);
1431                                 daemon_log("$session_id ERROR: unable to forward answer to correct registration server, processing is aborted!", 1);
1432                                 $reg_server_key = undef;
1433                             }
1434
1435                             # Send answer to server where client is registered
1436                             if (defined $reg_server_key) {
1437                                 $answer =~ s/$answer_target/$host_name/g;
1438                                 my $error = &send_msg_to_target($answer, $reg_server, $reg_server_key, $answer_header, $session_id);
1439                                 &update_jobdb_status_for_send_msgs($answer, $error);
1440                                 $found_ip_flag++ ;
1441                             }
1442                         }
1443                     }
1444                     if( $found_ip_flag == 0) {
1445                         daemon_log("$session_id WARNING: no host found in known_clients with mac address '$answer_target'", 3);
1446                     }
1447
1448                 # Answer is for one specific host
1449                 } else {
1450                     # get encrypt_key
1451                     my $encrypt_key = &get_encrypt_key($answer_target);
1452                     if( not defined $encrypt_key ) {
1453                         # unknown target
1454                         daemon_log("$session_id WARNING: unknown target '$answer_target'", 3);
1455                         next;
1456                     }
1457                     my $error = &send_msg_to_target($answer, $answer_target, $encrypt_key, $answer_header,$session_id);
1458                     &update_jobdb_status_for_send_msgs($answer, $error);
1459                 }
1460             }
1461         }
1462     }
1463
1464     my $filter = POE::Filter::Reference->new();
1465     my %result = (
1466             status => "seems ok to me",
1467             answer => $client_answer,
1468             );
1469
1470     my $output = $filter->put( [ \%result ] );
1471     print @$output;
1472
1473
1474 }
1475
1476 sub session_start {
1477     my ($kernel) = $_[KERNEL];
1478     $global_kernel = $kernel;
1479     $kernel->yield('register_at_foreign_servers');
1480         $kernel->yield('create_fai_server_db', $fai_server_tn );
1481         $kernel->yield('create_fai_release_db', $fai_release_tn );
1482     $kernel->yield('watch_for_next_tasks');
1483         $kernel->sig(USR1 => "sig_handler");
1484         $kernel->sig(USR2 => "recreate_packages_db");
1485         $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1486         $kernel->delay_set('watch_for_done_jobs', $job_queue_loop_delay);
1487     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay);
1488         $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1489     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay);
1490         $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1491     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
1492
1493     # Start opsi check
1494     if ($opsi_enabled eq "true") {
1495         $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay);
1496     }
1497
1498 }
1499
1500
1501 sub watch_for_done_jobs {
1502     #CHECK: $heap for what?
1503     my ($kernel,$heap) = @_[KERNEL, HEAP];
1504
1505     my $sql_statement = "SELECT * FROM ".$job_queue_tn." WHERE ((status='done') AND (modified='0'))";
1506         my $res = $job_db->select_dbentry( $sql_statement );
1507
1508     while( my ($id, $hit) = each %{$res} ) {
1509         my $jobdb_id = $hit->{id};
1510         my $sql_statement = "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1511         my $res = $job_db->del_dbentry($sql_statement);
1512     }
1513
1514     $kernel->delay_set('watch_for_done_jobs',$job_queue_loop_delay);
1515 }
1516
1517
1518 sub watch_for_opsi_jobs {
1519     my ($kernel) = $_[KERNEL];
1520
1521     # This is not very nice to look for opsi install jobs, but headertag has to be trigger_action_reinstall. The only way to identify a
1522     # opsi install job is to parse the xml message. There is still the correct header.
1523     my $sql_statement = "SELECT * FROM ".$job_queue_tn." WHERE ((xmlmessage LIKE '%opsi_install_client</header>%') AND (status='processing') AND (siserver='localhost'))";
1524         my $res = $job_db->select_dbentry( $sql_statement );
1525
1526     # Ask OPSI for an update of the running jobs
1527     while (my ($id, $hit) = each %$res ) {
1528         # Determine current parameters of the job
1529         my $hostId = $hit->{'plainname'};
1530         my $macaddress = $hit->{'macaddress'};
1531         my $progress = $hit->{'progress'};
1532
1533         my $result= {};
1534
1535         # For hosts, only return the products that are or get installed
1536         my $callobj;
1537         $callobj = {
1538             method  => 'getProductStates_hash',
1539             params  => [ $hostId ],
1540             id  => 1,
1541         };
1542
1543         my $hres = $opsi_client->call($opsi_url, $callobj);
1544         #my ($hres_err, $hres_err_string) = &check_opsi_res($hres);
1545         if (not &check_opsi_res($hres)) {
1546             my $htmp= $hres->result->{$hostId};
1547
1548             # Check state != not_installed or action == setup -> load and add
1549             my $products= 0;
1550             my $installed= 0;
1551             my $installing = 0;
1552             my $error= 0;
1553             my @installed_list;
1554             my @error_list;
1555             my $act_status = "none";
1556             foreach my $product (@{$htmp}){
1557
1558                 if ($product->{'installationStatus'} ne "not_installed" or
1559                         $product->{'actionRequest'} eq "setup"){
1560
1561                     # Increase number of products for this host
1562                     $products++;
1563
1564                     if ($product->{'installationStatus'} eq "failed"){
1565                         $result->{$product->{'productId'}}= "error";
1566                         unshift(@error_list, $product->{'productId'});
1567                         $error++;
1568                     }
1569                     if ($product->{'installationStatus'} eq "installed" && $product->{'actionRequest'}  eq "none"){
1570                         $result->{$product->{'productId'}}= "installed";
1571                         unshift(@installed_list, $product->{'productId'});
1572                         $installed++;
1573                     }
1574                     if ($product->{'installationStatus'} eq "installing"){
1575                         $result->{$product->{'productId'}}= "installing";
1576                         $installing++;
1577                         $act_status = "installing - ".$product->{'productId'};
1578                     }
1579                 }
1580             }
1581
1582             # Estimate "rough" progress, avoid division by zero
1583             if ($products == 0) {
1584                 $result->{'progress'}= 0;
1585             } else {
1586                 $result->{'progress'}= int($installed * 100 / $products);
1587             }
1588
1589             # Set updates in job queue
1590             if ((not $error) && (not $installing) && ($installed)) {
1591                 $act_status = "installed - ".join(", ", @installed_list);
1592             }
1593             if ($error) {
1594                 $act_status = "error - ".join(", ", @error_list);
1595             }
1596             if ($progress ne $result->{'progress'} ) {
1597                 # Updating progress and result
1598                 my $update_statement = "UPDATE $job_queue_tn SET modified='1', progress='".$result->{'progress'}."', result='$act_status' WHERE macaddress='$macaddress' AND siserver='localhost'";
1599                 my $update_res = $job_db->update_dbentry($update_statement);
1600             }
1601             if ($progress eq 100) {
1602                 # Updateing status
1603                 my $done_statement = "UPDATE $job_queue_tn SET modified='1', ";
1604                 if ($error) {
1605                     $done_statement .= "status='error'";
1606                 } else {
1607                     $done_statement .= "status='done'";
1608                 }
1609                 $done_statement .= " WHERE macaddress='$macaddress' AND siserver='localhost'";
1610                 my $done_res = $job_db->update_dbentry($done_statement);
1611             }
1612
1613
1614         }
1615     }
1616
1617     $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay);
1618 }
1619
1620
1621 # If a job got an update or was modified anyway, send to all other si-server an update message of this jobs.
1622 sub watch_for_modified_jobs {
1623     my ($kernel,$heap) = @_[KERNEL, HEAP];
1624
1625     my $sql_statement = "SELECT * FROM $job_queue_tn WHERE ((siserver='localhost') AND (modified='1'))";
1626     my $res = $job_db->select_dbentry( $sql_statement );
1627
1628     # if db contains no jobs which should be update, do nothing
1629     if (keys %$res != 0) {
1630
1631         if ($job_synchronization  eq "true") {
1632             # make out of the db result a gosa-si message
1633             my $update_msg = &db_res2si_msg ($res, "foreign_job_updates", "KNOWN_SERVER", "MY_LOCAL_ADDRESS");
1634
1635             # update all other SI-server
1636             &inform_all_other_si_server($update_msg);
1637         }
1638
1639         # set jobs all jobs to modified = 0, wait until the next modification for updates of other si-server
1640         $sql_statement = "UPDATE $job_queue_tn SET modified='0' ";
1641         $res = $job_db->update_dbentry($sql_statement);
1642     }
1643
1644     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay);
1645 }
1646
1647
1648 sub watch_for_new_jobs {
1649         if($watch_for_new_jobs_in_progress == 0) {
1650                 $watch_for_new_jobs_in_progress = 1;
1651                 my ($kernel,$heap) = @_[KERNEL, HEAP];
1652
1653                 # check gosa job quaeue for jobs with executable timestamp
1654                 my $timestamp = &get_time();
1655                 my $sql_statement = "SELECT * FROM $job_queue_tn WHERE status='waiting' AND (CAST (timestamp AS INTEGER)) < $timestamp ORDER BY timestamp";
1656                 my $res = $job_db->exec_statement( $sql_statement );
1657
1658                 # Merge all new jobs that would do the same actions
1659                 my @drops;
1660                 my $hits;
1661                 foreach my $hit (reverse @{$res} ) {
1662                         my $macaddress= lc @{$hit}[8];
1663                         my $headertag= @{$hit}[5];
1664                         if(
1665                                 defined($hits->{$macaddress}) &&
1666                                 defined($hits->{$macaddress}->{$headertag}) &&
1667                                 defined($hits->{$macaddress}->{$headertag}[0])
1668                         ) {
1669                                 push @drops, "DELETE FROM $job_queue_tn WHERE id = $hits->{$macaddress}->{$headertag}[0]";
1670                         }
1671                         $hits->{$macaddress}->{$headertag}= $hit;
1672                 }
1673
1674                 # Delete new jobs with a matching job in state 'processing'
1675                 foreach my $macaddress (keys %{$hits}) {
1676                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1677                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1678                                 if(defined($jobdb_id)) {
1679                                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND headertag='$jobdb_headertag' AND status='processing'";
1680                                         my $res = $job_db->exec_statement( $sql_statement );
1681                                         foreach my $hit (@{$res}) {
1682                                                 push @drops, "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1683                                         }
1684                                 } else {
1685                                         daemon_log("J ERROR: Job without id exists for macaddress $macaddress!", 1);
1686                                 }
1687                         }
1688                 }
1689
1690                 # Commit deletion
1691                 $job_db->exec_statementlist(\@drops);
1692
1693                 # Look for new jobs that could be executed
1694                 foreach my $macaddress (keys %{$hits}) {
1695
1696                         # Look if there is an executing job
1697                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND status='processing'";
1698                         my $res = $job_db->exec_statement( $sql_statement );
1699
1700                         # Skip new jobs for host if there is a processing job
1701                         if(defined($res) and defined @{$res}[0]) {
1702                                 next;
1703                         }
1704
1705                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1706                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1707                                 if(defined($jobdb_id)) {
1708                                         my $job_msg = @{$hits->{$macaddress}->{$jobdb_headertag}}[7];
1709
1710                                         daemon_log("J DEBUG: its time to execute $job_msg", 7);
1711                                         my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$macaddress'";
1712                                         my $res_hash = $known_clients_db->select_dbentry( $sql_statement );
1713
1714                                         # expect macaddress is unique!!!!!!
1715                                         my $target = $res_hash->{1}->{hostname};
1716
1717                                         # change header
1718                                         $job_msg =~ s/<header>job_/<header>gosa_/;
1719
1720                                         # add sqlite_id
1721                                         $job_msg =~ s/<\/xml>$/<jobdb_id>$jobdb_id<\/jobdb_id><\/xml>/;
1722
1723                                         $job_msg =~ /<header>(\S+)<\/header>/;
1724                                         my $header = $1 ;
1725                                         my $func_error = &send_msg_to_target($job_msg, $server_address, $GosaPackages_key, $header, "J");
1726
1727                                         # update status in job queue to 'processing'
1728                                         $sql_statement = "UPDATE $job_queue_tn SET status='processing' WHERE id=$jobdb_id";
1729                                         my $res = $job_db->update_dbentry($sql_statement);
1730 # TODO: abfangen ob alles in ordnung ist oder nicht, wenn nicht error schmeißen
1731
1732                                         # We don't want parallel processing
1733                                         last;
1734                                 }
1735                         }
1736                 }
1737
1738                 $watch_for_new_jobs_in_progress = 0;
1739                 $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1740         }
1741 }
1742
1743
1744 sub watch_for_new_messages {
1745     my ($kernel,$heap) = @_[KERNEL, HEAP];
1746     my @coll_user_msg;   # collection list of outgoing messages
1747
1748     # check messaging_db for new incoming messages with executable timestamp
1749     my $timestamp = &get_time();
1750     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( (CAST(timestamp AS INTEGER))<$timestamp AND flag='n' AND direction='in' )";
1751     my $res = $messaging_db->exec_statement( $sql_statement );
1752         foreach my $hit (@{$res}) {
1753
1754         # create outgoing messages
1755         my $message_to = @{$hit}[3];
1756         # translate message_to to plain login name
1757         my @message_to_l = split(/,/, $message_to);
1758                 my %receiver_h;
1759                 foreach my $receiver (@message_to_l) {
1760                         if ($receiver =~ /^u_([\s\S]*)$/) {
1761                                 $receiver_h{$1} = 0;
1762                         } elsif ($receiver =~ /^g_([\s\S]*)$/) {
1763                                 my $group_name = $1;
1764                                 # fetch all group members from ldap and add them to receiver hash
1765                                 my $ldap_handle = &get_ldap_handle();
1766                                 if (defined $ldap_handle) {
1767                                                 my $mesg = $ldap_handle->search(
1768                                                                                 base => $ldap_base,
1769                                                                                 scope => 'sub',
1770                                                                                 attrs => ['memberUid'],
1771                                                                                 filter => "cn=$group_name",
1772                                                                                 );
1773                                                 if ($mesg->count) {
1774                                                                 my @entries = $mesg->entries;
1775                                                                 foreach my $entry (@entries) {
1776                                                                                 my @receivers= $entry->get_value("memberUid");
1777                                                                                 foreach my $receiver (@receivers) {
1778                                                                                                 $receiver_h{$1} = 0;
1779                                                                                 }
1780                                                                 }
1781                                                 }
1782                                                 # translating errors ?
1783                                                 if ($mesg->code) {
1784                                                                 daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: $mesg->error", 1);
1785                                                 }
1786                                 # ldap handle error ?
1787                                 } else {
1788                                         daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: no ldap handle available", 1);
1789                                 }
1790                         } else {
1791                                 my $sbjct = &encode_base64(@{$hit}[1]);
1792                                 my $msg = &encode_base64(@{$hit}[7]);
1793                                 &daemon_log("M WARNING: unknown receiver '$receiver' for a user-message '$sbjct - $msg'", 3);
1794                         }
1795                 }
1796                 my @receiver_l = keys(%receiver_h);
1797
1798         my $message_id = @{$hit}[0];
1799
1800         #add each outgoing msg to messaging_db
1801         my $receiver;
1802         foreach $receiver (@receiver_l) {
1803             my $sql_statement = "INSERT INTO $messaging_tn (id, subject, message_from, message_to, flag, direction, delivery_time, message, timestamp) ".
1804                 "VALUES ('".
1805                 $message_id."', '".    # id
1806                 @{$hit}[1]."', '".     # subject
1807                 @{$hit}[2]."', '".     # message_from
1808                 $receiver."', '".      # message_to
1809                 "none"."', '".         # flag
1810                 "out"."', '".          # direction
1811                 @{$hit}[6]."', '".     # delivery_time
1812                 @{$hit}[7]."', '".     # message
1813                 $timestamp."'".     # timestamp
1814                 ")";
1815             &daemon_log("M DEBUG: $sql_statement", 1);
1816             my $res = $messaging_db->exec_statement($sql_statement);
1817             &daemon_log("M INFO: message '".@{$hit}[0]."' is prepared for delivery to receiver '$receiver'", 5);
1818         }
1819
1820         # set incoming message to flag d=deliverd
1821         $sql_statement = "UPDATE $messaging_tn SET flag='p' WHERE id='$message_id'";
1822         &daemon_log("M DEBUG: $sql_statement", 7);
1823         $res = $messaging_db->update_dbentry($sql_statement);
1824         &daemon_log("M INFO: message '$message_id' is set to flag 'p' (processed)", 5);
1825     }
1826
1827     $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1828     return;
1829 }
1830
1831 sub watch_for_delivery_messages {
1832     my ($kernel, $heap) = @_[KERNEL, HEAP];
1833
1834     # select outgoing messages
1835     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( flag='p' AND direction='out' )";
1836     #&daemon_log("0 DEBUG: $sql", 7);
1837     my $res = $messaging_db->exec_statement( $sql_statement );
1838
1839     # build out msg for each    usr
1840     foreach my $hit (@{$res}) {
1841         my $receiver = @{$hit}[3];
1842         my $msg_id = @{$hit}[0];
1843         my $subject = @{$hit}[1];
1844         my $message = @{$hit}[7];
1845
1846         # resolve usr -> host where usr is logged in
1847         my $sql = "SELECT * FROM $login_users_tn WHERE (user='$receiver')";
1848         #&daemon_log("0 DEBUG: $sql", 7);
1849         my $res = $login_users_db->exec_statement($sql);
1850
1851         # reciver is logged in nowhere
1852         if (not ref(@$res[0]) eq "ARRAY") { next; }
1853
1854                 my $send_succeed = 0;
1855                 foreach my $hit (@$res) {
1856                                 my $receiver_host = @$hit[0];
1857                                 &daemon_log("M DEBUG: user '$receiver' is logged in at host '$receiver_host'", 7);
1858
1859                                 # fetch key to encrypt msg propperly for usr/host
1860                                 my $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$receiver_host')";
1861                                 &daemon_log("0 DEBUG: $sql", 7);
1862                                 my $res = $known_clients_db->exec_statement($sql);
1863
1864                                 # host is already down
1865                                 if (not ref(@$res[0]) eq "ARRAY") { next; }
1866
1867                                 # host is on
1868                                 my $receiver_key = @{@{$res}[0]}[2];
1869                                 my %data = ('subject' => $subject, 'message' => $message, 'usr' => $receiver);
1870                                 my $out_msg = &build_msg("usr_msg", $server_address, $receiver_host, \%data );
1871                                 my $error = &send_msg_to_target($out_msg, $receiver_host, $receiver_key, "usr_msg", 0);
1872                                 if ($error == 0 ) {
1873                                         $send_succeed++ ;
1874                                 }
1875                 }
1876
1877                 if ($send_succeed) {
1878                                 # set outgoing msg at db to deliverd
1879                                 my $sql = "UPDATE $messaging_tn SET flag='d' WHERE (id='$msg_id' AND direction='out' AND message_to='$receiver')";
1880                                 &daemon_log("0 DEBUG: $sql", 7);
1881                                 my $res = $messaging_db->exec_statement($sql);
1882                 }
1883         }
1884
1885     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay);
1886     return;
1887 }
1888
1889
1890 sub watch_for_done_messages {
1891     my ($kernel,$heap) = @_[KERNEL, HEAP];
1892
1893     my $sql = "SELECT * FROM $messaging_tn WHERE (flag='p' AND direction='in')";
1894     #&daemon_log("0 DEBUG: $sql", 7);
1895     my $res = $messaging_db->exec_statement($sql);
1896
1897     foreach my $hit (@{$res}) {
1898         my $msg_id = @{$hit}[0];
1899
1900         my $sql = "SELECT * FROM $messaging_tn WHERE (id='$msg_id' AND direction='out' AND (NOT flag='s'))";
1901         #&daemon_log("0 DEBUG: $sql", 7);
1902         my $res = $messaging_db->exec_statement($sql);
1903
1904         # not all usr msgs have been seen till now
1905         if ( ref(@$res[0]) eq "ARRAY") { next; }
1906
1907         $sql = "DELETE FROM $messaging_tn WHERE (id='$msg_id')";
1908         #&daemon_log("0 DEBUG: $sql", 7);
1909         $res = $messaging_db->exec_statement($sql);
1910
1911     }
1912
1913     $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1914     return;
1915 }
1916
1917
1918 sub watch_for_old_known_clients {
1919     my ($kernel,$heap) = @_[KERNEL, HEAP];
1920
1921     my $sql_statement = "SELECT * FROM $known_clients_tn";
1922     my $res = $known_clients_db->select_dbentry( $sql_statement );
1923
1924     my $act_time = int(&get_time());
1925
1926     while ( my ($hit_num, $hit) = each %$res) {
1927         my $expired_timestamp = int($hit->{'timestamp'});
1928         $expired_timestamp =~ /(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)/;
1929         my $dt = DateTime->new( year   => $1,
1930                 month  => $2,
1931                 day    => $3,
1932                 hour   => $4,
1933                 minute => $5,
1934                 second => $6,
1935                 );
1936
1937         $dt->add( seconds => 2 * int($hit->{'keylifetime'}) );
1938         $expired_timestamp = $dt->ymd('').$dt->hms('');
1939         if ($act_time > $expired_timestamp) {
1940             my $hostname = $hit->{'hostname'};
1941             my $del_sql = "DELETE FROM $known_clients_tn WHERE hostname='$hostname'";
1942             my $del_res = $known_clients_db->exec_statement($del_sql);
1943
1944             &main::daemon_log("0 INFO: timestamp '".$hit->{'timestamp'}."' of client '$hostname' is expired('$expired_timestamp'), client will be deleted from known_clients_db", 5);
1945         }
1946
1947     }
1948
1949     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
1950 }
1951
1952
1953 sub watch_for_next_tasks {
1954     my ($kernel,$heap) = @_[KERNEL, HEAP];
1955
1956     my $sql = "SELECT * FROM $incoming_tn";
1957     my $res = $incoming_db->select_dbentry($sql);
1958
1959     while ( my ($hit_num, $hit) = each %$res) {
1960         my $headertag = $hit->{'headertag'};
1961         if ($headertag =~ /^answer_(\d+)/) {
1962             # do not start processing, this message is for a still running POE::Wheel
1963             next;
1964         }
1965         my $message_id = $hit->{'id'};
1966         $kernel->yield('next_task', $hit);
1967
1968         my $sql = "DELETE FROM $incoming_tn WHERE id=$message_id";
1969         my $res = $incoming_db->exec_statement($sql);
1970     }
1971
1972     $kernel->delay_set('watch_for_next_tasks', 0.1);
1973 }
1974
1975
1976 sub get_ldap_handle {
1977         my ($session_id) = @_;
1978         my $heap;
1979         my $ldap_handle;
1980
1981         if (not defined $session_id ) { $session_id = 0 };
1982         if ($session_id =~ /[^0-9]*/) { $session_id = 0 };
1983
1984         if ($session_id == 0) {
1985                 daemon_log("$session_id DEBUG: get_ldap_handle invoked without a session_id, create a new ldap_handle", 7);
1986                 $ldap_handle = Net::LDAP->new( $ldap_uri );
1987                 $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or daemon_log("$session_id ERROR: Bind to LDAP $ldap_uri as $ldap_admin_dn failed!");
1988
1989         } else {
1990                 my $session_reference = $global_kernel->ID_id_to_session($session_id);
1991                 if( defined $session_reference ) {
1992                         $heap = $session_reference->get_heap();
1993                 }
1994
1995                 if (not defined $heap) {
1996                         daemon_log("$session_id DEBUG: cannot get heap for session_id '$session_id'", 7);
1997                         return;
1998                 }
1999
2000                 # TODO: This "if" is nonsense, because it doesn't prove that the
2001                 #       used handle is still valid - or if we've to reconnect...
2002                 #if (not exists $heap->{ldap_handle}) {
2003                         $ldap_handle = Net::LDAP->new( $ldap_uri );
2004                         $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or daemon_log("$session_id ERROR: Bind to LDAP $ldap_uri as $ldap_admin_dn failed!");
2005                         $heap->{ldap_handle} = $ldap_handle;
2006                 #}
2007         }
2008         return $ldap_handle;
2009 }
2010
2011
2012 sub change_fai_state {
2013     my ($st, $targets, $session_id) = @_;
2014     $session_id = 0 if not defined $session_id;
2015     # Set FAI state to localboot
2016     my %mapActions= (
2017         reboot    => '',
2018         update    => 'softupdate',
2019         localboot => 'localboot',
2020         reinstall => 'install',
2021         rescan    => '',
2022         wake      => '',
2023         memcheck  => 'memcheck',
2024         sysinfo   => 'sysinfo',
2025         install   => 'install',
2026     );
2027
2028     # Return if this is unknown
2029     if (!exists $mapActions{ $st }){
2030         daemon_log("$session_id ERROR: unknown action '$st', can not translate ot FAIstate", 1);
2031       return;
2032     }
2033
2034     my $state= $mapActions{ $st };
2035
2036     my $ldap_handle = &get_ldap_handle($session_id);
2037     if( defined($ldap_handle) ) {
2038
2039       # Build search filter for hosts
2040         my $search= "(&(objectClass=GOhard)";
2041         foreach (@{$targets}){
2042             $search.= "(macAddress=$_)";
2043         }
2044         $search.= ")";
2045
2046       # If there's any host inside of the search string, procress them
2047         if (!($search =~ /macAddress/)){
2048             daemon_log("$session_id ERROR: no macAddress found in filter statement for LDAP search: '$search'", 1);
2049             return;
2050         }
2051
2052       # Perform search for Unit Tag
2053       my $mesg = $ldap_handle->search(
2054           base   => $ldap_base,
2055           scope  => 'sub',
2056           attrs  => ['dn', 'FAIstate', 'objectClass'],
2057           filter => "$search"
2058           );
2059
2060           if ($mesg->count) {
2061                   my @entries = $mesg->entries;
2062                   if (0 == @entries) {
2063                                   daemon_log("$session_id ERROR: ldap search failed: ldap_base=$ldap_base, filter=$search", 1);
2064                   }
2065
2066                   foreach my $entry (@entries) {
2067                           # Only modify entry if it is not set to '$state'
2068                           if ($entry->get_value("FAIstate") ne "$state"){
2069                                   daemon_log("$session_id INFO: Setting FAIstate to '$state' for ".$entry->dn, 5);
2070                                   my $result;
2071                                   my %tmp = map { $_ => 1 } $entry->get_value("objectClass");
2072                                   if (exists $tmp{'FAIobject'}){
2073                                           if ($state eq ''){
2074                                                   $result= $ldap_handle->modify($entry->dn, changes => [
2075                                                           delete => [ FAIstate => [] ] ]);
2076                                           } else {
2077                                                   $result= $ldap_handle->modify($entry->dn, changes => [
2078                                                           replace => [ FAIstate => $state ] ]);
2079                                           }
2080                                   } elsif ($state ne ''){
2081                                           $result= $ldap_handle->modify($entry->dn, changes => [
2082                                                   add     => [ objectClass => 'FAIobject' ],
2083                                                   add     => [ FAIstate => $state ] ]);
2084                                   }
2085
2086                                   # Errors?
2087                                   if ($result->code){
2088                                           daemon_log("$session_id Error: Setting FAIstate to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2089                                   }
2090                           } else {
2091                                   daemon_log("$session_id DEBUG FAIstate at host '".$entry->dn."' already at state '$st'", 7);
2092                           }
2093                   }
2094           } else {
2095                 daemon_log("$session_id ERROR: LDAP search failed: ldap_base=$ldap_base, filter=$search", 1);
2096           }
2097
2098     # if no ldap handle defined
2099     } else {
2100         daemon_log("$session_id ERROR: no LDAP handle defined for update FAIstate", 1);
2101     }
2102
2103         return;
2104 }
2105
2106
2107 sub change_goto_state {
2108     my ($st, $targets, $session_id) = @_;
2109     $session_id = 0  if not defined $session_id;
2110
2111     # Switch on or off?
2112     my $state= $st eq 'active' ? 'active': 'locked';
2113
2114     my $ldap_handle = &get_ldap_handle($session_id);
2115     if( defined($ldap_handle) ) {
2116
2117       # Build search filter for hosts
2118       my $search= "(&(objectClass=GOhard)";
2119       foreach (@{$targets}){
2120         $search.= "(macAddress=$_)";
2121       }
2122       $search.= ")";
2123
2124       # If there's any host inside of the search string, procress them
2125       if (!($search =~ /macAddress/)){
2126         return;
2127       }
2128
2129       # Perform search for Unit Tag
2130       my $mesg = $ldap_handle->search(
2131           base   => $ldap_base,
2132           scope  => 'sub',
2133           attrs  => ['dn', 'gotoMode'],
2134           filter => "$search"
2135           );
2136
2137       if ($mesg->count) {
2138         my @entries = $mesg->entries;
2139         foreach my $entry (@entries) {
2140
2141           # Only modify entry if it is not set to '$state'
2142           if ($entry->get_value("gotoMode") ne $state){
2143
2144             daemon_log("$session_id INFO: Setting gotoMode to '$state' for ".$entry->dn, 5);
2145             my $result;
2146             $result= $ldap_handle->modify($entry->dn, changes => [
2147                                                 replace => [ gotoMode => $state ] ]);
2148
2149             # Errors?
2150             if ($result->code){
2151               &daemon_log("$session_id Error: Setting gotoMode to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2152             }
2153
2154           }
2155         }
2156       } else {
2157                 daemon_log("$session_id ERROR: LDAP search failed in function change_goto_state: ldap_base=$ldap_base, filter=$search", 1);
2158           }
2159
2160     }
2161 }
2162
2163
2164 sub run_recreate_packages_db {
2165     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2166     my $session_id = $session->ID;
2167         &main::daemon_log("$session_id INFO: Recreating FAI Packages DB ('$fai_release_tn', '$fai_server_tn', '$packages_list_tn')", 5);
2168         $kernel->yield('create_fai_release_db', $fai_release_tn);
2169         $kernel->yield('create_fai_server_db', $fai_server_tn);
2170         return;
2171 }
2172
2173
2174 sub run_create_fai_server_db {
2175     my ($kernel, $session, $heap, $table_name) = @_[KERNEL, SESSION, HEAP, ARG0];
2176     my $session_id = $session->ID;
2177     my $task = POE::Wheel::Run->new(
2178             Program => sub { &create_fai_server_db($table_name,$kernel, undef, $session_id) },
2179             StdoutEvent  => "session_run_result",
2180             StderrEvent  => "session_run_debug",
2181             CloseEvent   => "session_run_done",
2182             );
2183
2184     $heap->{task}->{ $task->ID } = $task;
2185     return;
2186 }
2187
2188
2189 sub create_fai_server_db {
2190     my ($table_name, $kernel, $dont_create_packages_list, $session_id) = @_;
2191         my $result;
2192
2193         if (not defined $session_id) { $session_id = 0; }
2194     my $ldap_handle = &get_ldap_handle();
2195         if(defined($ldap_handle)) {
2196                 daemon_log("$session_id INFO: create_fai_server_db: start", 5);
2197                 my $mesg= $ldap_handle->search(
2198                         base   => $ldap_base,
2199                         scope  => 'sub',
2200                         attrs  => ['FAIrepository', 'gosaUnitTag'],
2201                         filter => "(&(FAIrepository=*)(objectClass=FAIrepositoryServer))",
2202                 );
2203                 if($mesg->{'resultCode'} == 0 &&
2204                    $mesg->count != 0) {
2205                    foreach my $entry (@{$mesg->{entries}}) {
2206                            if($entry->exists('FAIrepository')) {
2207                                    # Add an entry for each Repository configured for server
2208                                    foreach my $repo(@{$entry->get_value('FAIrepository', asref => 1)}) {
2209                                                    my($tmp_url,$tmp_server,$tmp_release,$tmp_sections) = split(/\|/, $repo);
2210                                                    my $tmp_tag= $entry->get_value('gosaUnitTag') || "";
2211                                                    $result= $fai_server_db->add_dbentry( {
2212                                                                    table => $table_name,
2213                                                                    primkey => ['server', 'release', 'tag'],
2214                                                                    server => $tmp_url,
2215                                                                    release => $tmp_release,
2216                                                                    sections => $tmp_sections,
2217                                                                    tag => (length($tmp_tag)>0)?$tmp_tag:"",
2218                                                            } );
2219                                            }
2220                                    }
2221                            }
2222                    }
2223                 daemon_log("$session_id INFO: create_fai_server_db: finished", 5);
2224
2225                 # TODO: Find a way to post the 'create_packages_list_db' event
2226                 if(not defined($dont_create_packages_list)) {
2227                         &create_packages_list_db(undef, undef, $session_id);
2228                 }
2229         }
2230
2231     $ldap_handle->disconnect;
2232         return $result;
2233 }
2234
2235
2236 sub run_create_fai_release_db {
2237     my ($session, $heap, $table_name) = @_[SESSION, HEAP, ARG0];
2238         my $session_id = $session->ID;
2239     my $task = POE::Wheel::Run->new(
2240             Program => sub { &create_fai_release_db($table_name, $session_id) },
2241             StdoutEvent  => "session_run_result",
2242             StderrEvent  => "session_run_debug",
2243             CloseEvent   => "session_run_done",
2244             );
2245
2246     $heap->{task}->{ $task->ID } = $task;
2247     return;
2248 }
2249
2250
2251 sub create_fai_release_db {
2252         my ($table_name, $session_id) = @_;
2253         my $result;
2254
2255     # used for logging
2256     if (not defined $session_id) { $session_id = 0; }
2257
2258     my $ldap_handle = &get_ldap_handle();
2259         if(defined($ldap_handle)) {
2260                 daemon_log("$session_id INFO: create_fai_release_db: start",5);
2261                 my $mesg= $ldap_handle->search(
2262                         base   => $ldap_base,
2263                         scope  => 'sub',
2264                         attrs  => [],
2265                         filter => "(&(objectClass=organizationalUnit)(ou=fai))",
2266                 );
2267                 if($mesg->{'resultCode'} == 0 &&
2268                         $mesg->count != 0) {
2269                         # Walk through all possible FAI container ou's
2270                         my @sql_list;
2271                         my $timestamp= &get_time();
2272                         foreach my $ou (@{$mesg->{entries}}) {
2273                                 my $tmp_classes= resolve_fai_classes($ou->dn, $ldap_handle, $session_id);
2274                                 if(defined($tmp_classes) && ref($tmp_classes) eq 'HASH') {
2275                                         my @tmp_array=get_fai_release_entries($tmp_classes);
2276                                         if(@tmp_array) {
2277                                                 foreach my $entry (@tmp_array) {
2278                                                         if(defined($entry) && ref($entry) eq 'HASH') {
2279                                                                 my $sql=
2280                                                                 "INSERT INTO $table_name "
2281                                                                 ."(timestamp, release, class, type, state) VALUES ("
2282                                                                 .$timestamp.","
2283                                                                 ."'".$entry->{'release'}."',"
2284                                                                 ."'".$entry->{'class'}."',"
2285                                                                 ."'".$entry->{'type'}."',"
2286                                                                 ."'".$entry->{'state'}."')";
2287                                                                 push @sql_list, $sql;
2288                                                         }
2289                                                 }
2290                                         }
2291                                 }
2292                         }
2293
2294                         daemon_log("$session_id DEBUG: Inserting ".scalar @sql_list." entries to DB",8);
2295                         if(@sql_list) {
2296                                 unshift @sql_list, "VACUUM";
2297                                 unshift @sql_list, "DELETE FROM $table_name";
2298                                 $fai_release_db->exec_statementlist(\@sql_list);
2299                         }
2300                         daemon_log("$session_id DEBUG: Done with inserting",7);
2301                 }
2302                 daemon_log("$session_id INFO: create_fai_release_db: finished",5);
2303         }
2304     $ldap_handle->disconnect;
2305         return $result;
2306 }
2307
2308 sub get_fai_types {
2309         my $tmp_classes = shift || return undef;
2310         my @result;
2311
2312         foreach my $type(keys %{$tmp_classes}) {
2313                 if(defined($tmp_classes->{$type}[0]) && (!($tmp_classes->{$type}[0] =~ /^.*?removed.*?$/))) {
2314                         my $entry = {
2315                                 type => $type,
2316                                 state => $tmp_classes->{$type}[0],
2317                         };
2318                         push @result, $entry;
2319                 }
2320         }
2321
2322         return @result;
2323 }
2324
2325 sub get_fai_state {
2326         my $result = "";
2327         my $tmp_classes = shift || return $result;
2328
2329         foreach my $type(keys %{$tmp_classes}) {
2330                 if(defined($tmp_classes->{$type}[0])) {
2331                         $result = $tmp_classes->{$type}[0];
2332
2333                 # State is equal for all types in class
2334                         last;
2335                 }
2336         }
2337
2338         return $result;
2339 }
2340
2341 sub resolve_fai_classes {
2342         my ($fai_base, $ldap_handle, $session_id) = @_;
2343         if (not defined $session_id) { $session_id = 0; }
2344         my $result;
2345         my @possible_fai_classes= ("FAIscript", "FAIhook", "FAIpartitionTable", "FAItemplate", "FAIvariable", "FAIprofile", "FAIpackageList");
2346         my $fai_filter= "(|(&(objectClass=FAIclass)(|(objectClass=".join(")(objectClass=", @possible_fai_classes).")))(objectClass=FAIbranch))";
2347         my $fai_classes;
2348
2349         daemon_log("$session_id DEBUG: Searching for FAI entries in base $fai_base",7);
2350         my $mesg= $ldap_handle->search(
2351                 base   => $fai_base,
2352                 scope  => 'sub',
2353                 attrs  => ['cn','objectClass','FAIstate'],
2354                 filter => $fai_filter,
2355         );
2356         daemon_log("$session_id DEBUG: Found ".$mesg->count()." FAI entries",7);
2357
2358         if($mesg->{'resultCode'} == 0 &&
2359                 $mesg->count != 0) {
2360                 foreach my $entry (@{$mesg->{entries}}) {
2361                         if($entry->exists('cn')) {
2362                                 my $tmp_dn= $entry->dn();
2363
2364                                 # Skip classname and ou dn parts for class
2365                                 my $tmp_release = ($1) if $tmp_dn =~ /^[^,]+,[^,]+,(.*?),$fai_base$/;
2366
2367                                 # Skip classes without releases
2368                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2369                                         next;
2370                                 }
2371
2372                                 my $tmp_cn= $entry->get_value('cn');
2373                                 my $tmp_state= $entry->get_value('FAIstate');
2374
2375                                 my $tmp_type;
2376                                 # Get FAI type
2377                                 for my $oclass(@{$entry->get_value('objectClass', asref => 1)}) {
2378                                         if(grep $_ eq $oclass, @possible_fai_classes) {
2379                                                 $tmp_type= $oclass;
2380                                                 last;
2381                                         }
2382                                 }
2383
2384                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2385                                         # A Subrelease
2386                                         my @sub_releases = split(/,/, $tmp_release);
2387
2388                                         # Walk through subreleases and build hash tree
2389                                         my $hash;
2390                                         while(my $tmp_sub_release = pop @sub_releases) {
2391                                                 $hash .= "\{'$tmp_sub_release'\}->";
2392                                         }
2393                                         eval('push @{$fai_classes->'.$hash.'{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";');
2394                                 } else {
2395                                         # A branch, no subrelease
2396                                         push @{$fai_classes->{$tmp_release}->{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";
2397                                 }
2398                         } elsif (!$entry->exists('cn')) {
2399                                 my $tmp_dn= $entry->dn();
2400                                 my $tmp_release = ($1) if $tmp_dn =~ /^(.*?),$fai_base$/;
2401
2402                                 # Skip classes without releases
2403                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2404                                         next;
2405                                 }
2406
2407                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2408                                         # A Subrelease
2409                                         my @sub_releases= split(/,/, $tmp_release);
2410
2411                                         # Walk through subreleases and build hash tree
2412                                         my $hash;
2413                                         while(my $tmp_sub_release = pop @sub_releases) {
2414                                                 $hash .= "\{'$tmp_sub_release'\}->";
2415                                         }
2416                                         # Remove the last two characters
2417                                         chop($hash);
2418                                         chop($hash);
2419
2420                                         eval('$fai_classes->'.$hash.'= {}');
2421                                 } else {
2422                                         # A branch, no subrelease
2423                                         if(!exists($fai_classes->{$tmp_release})) {
2424                                                 $fai_classes->{$tmp_release} = {};
2425                                         }
2426                                 }
2427                         }
2428                 }
2429
2430                 # The hash is complete, now we can honor the copy-on-write based missing entries
2431                 foreach my $release (keys %$fai_classes) {
2432                         $result->{$release}= deep_copy(apply_fai_inheritance($fai_classes->{$release}));
2433                 }
2434         }
2435         return $result;
2436 }
2437
2438 sub apply_fai_inheritance {
2439        my $fai_classes = shift || return {};
2440        my $tmp_classes;
2441
2442        # Get the classes from the branch
2443        foreach my $class (keys %{$fai_classes}) {
2444                # Skip subreleases
2445                if($class =~ /^ou=.*$/) {
2446                        next;
2447                } else {
2448                        $tmp_classes->{$class}= deep_copy($fai_classes->{$class});
2449                }
2450        }
2451
2452        # Apply to each subrelease
2453        foreach my $subrelease (keys %{$fai_classes}) {
2454                if($subrelease =~ /ou=/) {
2455                        foreach my $tmp_class (keys %{$tmp_classes}) {
2456                                if(!exists($fai_classes->{$subrelease}->{$tmp_class})) {
2457                                        $fai_classes->{$subrelease}->{$tmp_class} =
2458                                        deep_copy($tmp_classes->{$tmp_class});
2459                                } else {
2460                                        foreach my $type (keys %{$tmp_classes->{$tmp_class}}) {
2461                                                if(!exists($fai_classes->{$subrelease}->{$tmp_class}->{$type})) {
2462                                                        $fai_classes->{$subrelease}->{$tmp_class}->{$type}=
2463                                                        deep_copy($tmp_classes->{$tmp_class}->{$type});
2464                                                }
2465                                        }
2466                                }
2467                        }
2468                }
2469        }
2470
2471        # Find subreleases in deeper levels
2472        foreach my $subrelease (keys %{$fai_classes}) {
2473                if($subrelease =~ /ou=/) {
2474                        foreach my $subsubrelease (keys %{$fai_classes->{$subrelease}}) {
2475                                if($subsubrelease =~ /ou=/) {
2476                                        apply_fai_inheritance($fai_classes->{$subrelease});
2477                                }
2478                        }
2479                }
2480        }
2481
2482        return $fai_classes;
2483 }
2484
2485 sub get_fai_release_entries {
2486         my $tmp_classes = shift || return;
2487         my $parent = shift || "";
2488         my @result = shift || ();
2489
2490         foreach my $entry (keys %{$tmp_classes}) {
2491                 if(defined($entry)) {
2492                         if($entry =~ /^ou=.*$/) {
2493                                 my $release_name = $entry;
2494                                 $release_name =~ s/ou=//g;
2495                                 if(length($parent)>0) {
2496                                         $release_name = $parent."/".$release_name;
2497                                 }
2498                                 my @bufentries = get_fai_release_entries($tmp_classes->{$entry}, $release_name, @result);
2499                                 foreach my $bufentry(@bufentries) {
2500                                         push @result, $bufentry;
2501                                 }
2502                         } else {
2503                                 my @types = get_fai_types($tmp_classes->{$entry});
2504                                 foreach my $type (@types) {
2505                                         push @result,
2506                                         {
2507                                                 'class' => $entry,
2508                                                 'type' => $type->{'type'},
2509                                                 'release' => $parent,
2510                                                 'state' => $type->{'state'},
2511                                         };
2512                                 }
2513                         }
2514                 }
2515         }
2516
2517         return @result;
2518 }
2519
2520 sub deep_copy {
2521         my $this = shift;
2522         if (not ref $this) {
2523                 $this;
2524         } elsif (ref $this eq "ARRAY") {
2525                 [map deep_copy($_), @$this];
2526         } elsif (ref $this eq "HASH") {
2527                 +{map { $_ => deep_copy($this->{$_}) } keys %$this};
2528         } else { die "what type is $_?" }
2529 }
2530
2531
2532 sub session_run_result {
2533     my ($kernel, $heap, $client_answer) = @_[KERNEL, HEAP, ARG0];
2534     $kernel->sig(CHLD => "child_reap");
2535 }
2536
2537 sub session_run_debug {
2538     my $result = $_[ARG0];
2539     print STDERR "$result\n";
2540 }
2541
2542 sub session_run_done {
2543     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
2544     delete $heap->{task}->{$task_id};
2545 }
2546
2547
2548 sub create_sources_list {
2549         my $session_id = shift;
2550         my $ldap_handle = &main::get_ldap_handle;
2551         my $result="/tmp/gosa_si_tmp_sources_list";
2552
2553         # Remove old file
2554         if(stat($result)) {
2555                 unlink($result);
2556                 &main::daemon_log("$session_id DEBUG: remove an old version of '$result'", 7);
2557         }
2558
2559         my $fh;
2560         open($fh, ">$result");
2561         if (not defined $fh) {
2562                 &main::daemon_log("$session_id DEBUG: cannot open '$result' for writing", 7);
2563                 return undef;
2564         }
2565         if(defined($main::ldap_server_dn) and length($main::ldap_server_dn) > 0) {
2566                 my $mesg=$ldap_handle->search(
2567                         base    => $main::ldap_server_dn,
2568                         scope   => 'base',
2569                         attrs   => 'FAIrepository',
2570                         filter  => 'objectClass=FAIrepositoryServer'
2571                 );
2572                 if($mesg->count) {
2573                         foreach my $entry(@{$mesg->{'entries'}}) {
2574                                 foreach my $value(@{$entry->get_value('FAIrepository', asref => 1)}) {
2575                                         my ($server, $tag, $release, $sections)= split /\|/, $value;
2576                                         my $line = "deb $server $release";
2577                                         $sections =~ s/,/ /g;
2578                                         $line.= " $sections";
2579                                         print $fh $line."\n";
2580                                 }
2581                         }
2582                 }
2583         } else {
2584                 if (defined $main::ldap_server_dn){
2585                         &main::daemon_log("$session_id ERROR: something wrong with ldap_server_dn '$main::ldap_server_dn', abort create_sources_list", 1);
2586                 } else {
2587                         &main::daemon_log("$session_id ERROR: no ldap_server_dn found, abort create_sources_list", 1);
2588                 }
2589         }
2590         close($fh);
2591
2592         return $result;
2593 }
2594
2595
2596 sub run_create_packages_list_db {
2597     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2598         my $session_id = $session->ID;
2599
2600         my $task = POE::Wheel::Run->new(
2601                                         Priority => +20,
2602                                         Program => sub {&create_packages_list_db(undef, undef, $session_id)},
2603                                         StdoutEvent  => "session_run_result",
2604                                         StderrEvent  => "session_run_debug",
2605                                         CloseEvent   => "session_run_done",
2606                                         );
2607         $heap->{task}->{ $task->ID } = $task;
2608 }
2609
2610
2611 sub create_packages_list_db {
2612         my ($ldap_handle, $sources_file, $session_id) = @_;
2613
2614         # it should not be possible to trigger a recreation of packages_list_db
2615         # while packages_list_db is under construction, so set flag packages_list_under_construction
2616         # which is tested befor recreation can be started
2617         if (-r $packages_list_under_construction) {
2618                 daemon_log("$session_id WARNING: packages_list_db is right now under construction, please wait until this process is finished", 3);
2619                 return;
2620         } else {
2621                 daemon_log("$session_id INFO: create_packages_list_db: start", 5);
2622                 # set packages_list_under_construction to true
2623                 system("touch $packages_list_under_construction");
2624                 @packages_list_statements=();
2625         }
2626
2627         if (not defined $session_id) { $session_id = 0; }
2628         if (not defined $ldap_handle) {
2629                 $ldap_handle= &get_ldap_handle();
2630
2631                 if (not defined $ldap_handle) {
2632                         daemon_log("$session_id ERROR: no ldap_handle available to create_packages_list_db", 1);
2633                         unlink($packages_list_under_construction);
2634                         return;
2635                 }
2636         }
2637         if (not defined $sources_file) {
2638                 &main::daemon_log("$session_id INFO: no sources_file given for creating packages list so trigger creation of it", 5);
2639                 $sources_file = &create_sources_list($session_id);
2640         }
2641
2642         if (not defined $sources_file) {
2643                 &main::daemon_log("$session_id ERROR: no sources_file given under '$sources_file', skip create_packages_list_db", 1);
2644                 unlink($packages_list_under_construction);
2645                 return;
2646         }
2647
2648         my $line;
2649
2650         open(CONFIG, "<$sources_file") or do {
2651                 daemon_log( "$session_id ERROR: create_packages_list_db: Failed to open '$sources_file'", 1);
2652                 unlink($packages_list_under_construction);
2653                 return;
2654         };
2655
2656         # Read lines
2657         while ($line = <CONFIG>){
2658                 # Unify
2659                 chop($line);
2660                 $line =~ s/^\s+//;
2661                 $line =~ s/^\s+/ /;
2662
2663                 # Strip comments
2664                 $line =~ s/#.*$//g;
2665
2666                 # Skip empty lines
2667                 if ($line =~ /^\s*$/){
2668                         next;
2669                 }
2670
2671                 # Interpret deb line
2672                 if ($line =~ /^deb [^\s]+\s[^\s]+\s[^\s]+/){
2673                         my( $baseurl, $dist, $sections ) = ($line =~ /^deb\s([^\s]+)\s+([^\s]+)\s+(.*)$/);
2674                         my $section;
2675                         foreach $section (split(' ', $sections)){
2676                                 &parse_package_info( $baseurl, $dist, $section, $session_id );
2677                         }
2678                 }
2679         }
2680
2681         close (CONFIG);
2682
2683
2684         find(\&cleanup_and_extract, keys( %repo_dirs ));
2685         &main::strip_packages_list_statements();
2686         unshift @packages_list_statements, "VACUUM";
2687         $packages_list_db->exec_statementlist(\@packages_list_statements);
2688         unlink($packages_list_under_construction);
2689         daemon_log("$session_id INFO: create_packages_list_db: finished", 5);
2690         return;
2691 }
2692
2693 # This function should do some intensive task to minimize the db-traffic
2694 sub strip_packages_list_statements {
2695     my @existing_entries= @{$packages_list_db->exec_statement("SELECT * FROM $main::packages_list_tn")};
2696         my @new_statement_list=();
2697         my $hash;
2698         my $insert_hash;
2699         my $update_hash;
2700         my $delete_hash;
2701         my $local_timestamp=get_time();
2702
2703         foreach my $existing_entry (@existing_entries) {
2704                 $hash->{@{$existing_entry}[0]}->{@{$existing_entry}[1]}->{@{$existing_entry}[2]}= $existing_entry;
2705         }
2706
2707         foreach my $statement (@packages_list_statements) {
2708                 if($statement =~ /^INSERT/i) {
2709                         # Assign the values from the insert statement
2710                         my ($distribution,$package,$version,$section,$description,$template,$timestamp) = ($1,$2,$3,$4,$5,$6,$7) if $statement =~
2711                         /^INSERT\s+?INTO\s+?$main::packages_list_tn\s+?VALUES\s*?\('(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)'\s*?\)$/si;
2712                         if(exists($hash->{$distribution}->{$package}->{$version})) {
2713                                 # If section or description has changed, update the DB
2714                                 if(
2715                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[3] eq $section)) or
2716                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[4] eq $description))
2717                                 ) {
2718                                         @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,undef);
2719                                 }
2720                         } else {
2721                                 # Insert a non-existing entry to db
2722                                 @{$insert_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2723                         }
2724                 } elsif ($statement =~ /^UPDATE/i) {
2725                         my ($template,$package,$version) = ($1,$2,$3) if $statement =~
2726                         /^update\s+?$main::packages_list_tn\s+?set\s+?template\s*?=\s*?'(.*?)'\s+?where\s+?package\s*?=\s*?'(.*?)'\s+?and\s+?version\s*?=\s*?'(.*?)'\s*?;$/si;
2727                         foreach my $distribution (keys %{$hash}) {
2728                                 if(exists($insert_hash->{$distribution}->{$package}->{$version})) {
2729                                         # update the insertion hash to execute only one query per package (insert instead insert+update)
2730                                         @{$insert_hash->{$distribution}->{$package}->{$version}}[5]= $template;
2731                                 } elsif(exists($hash->{$distribution}->{$package}->{$version})) {
2732                                         if( ! (@{$hash->{$distribution}->{$package}->{$version}}[5] eq $template)) {
2733                                                 my $section;
2734                                                 my $description;
2735                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) and
2736                                                         length(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) > 0 ) {
2737                                                         $section= @{$update_hash->{$distribution}->{$package}->{$version}}[3];
2738                                                 }
2739                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2740                                                         $description= @{$update_hash->{$distribution}->{$package}->{$version}}[4];
2741                                                 }
2742                                                 @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2743                                         }
2744                                 }
2745                         }
2746                 }
2747         }
2748
2749         # TODO: Check for orphaned entries
2750
2751         # unroll the insert_hash
2752         foreach my $distribution (keys %{$insert_hash}) {
2753                 foreach my $package (keys %{$insert_hash->{$distribution}}) {
2754                         foreach my $version (keys %{$insert_hash->{$distribution}->{$package}}) {
2755                                 push @new_statement_list, "INSERT INTO $main::packages_list_tn VALUES ('$distribution','$package','$version',"
2756                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[3]',"
2757                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[4]',"
2758                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[5]',"
2759                                 ."'$local_timestamp')";
2760                         }
2761                 }
2762         }
2763
2764         # unroll the update hash
2765         foreach my $distribution (keys %{$update_hash}) {
2766                 foreach my $package (keys %{$update_hash->{$distribution}}) {
2767                         foreach my $version (keys %{$update_hash->{$distribution}->{$package}}) {
2768                                 my $set = "";
2769                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3])) {
2770                                         $set .= "section = '@{$update_hash->{$distribution}->{$package}->{$version}}[3]', ";
2771                                 }
2772                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2773                                         $set .= "description = '@{$update_hash->{$distribution}->{$package}->{$version}}[4]', ";
2774                                 }
2775                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[5])) {
2776                                         $set .= "template = '@{$update_hash->{$distribution}->{$package}->{$version}}[5]', ";
2777                                 }
2778                                 if(defined($set) and length($set) > 0) {
2779                                         $set .= "timestamp = '$local_timestamp'";
2780                                 } else {
2781                                         next;
2782                                 }
2783                                 push @new_statement_list,
2784                                         "UPDATE $main::packages_list_tn SET $set WHERE"
2785                                         ." distribution = '$distribution'"
2786                                         ." AND package = '$package'"
2787                                         ." AND version = '$version'";
2788                         }
2789                 }
2790         }
2791
2792         @packages_list_statements = @new_statement_list;
2793 }
2794
2795
2796 sub parse_package_info {
2797     my ($baseurl, $dist, $section, $session_id)= @_;
2798     my ($package);
2799     if (not defined $session_id) { $session_id = 0; }
2800     my ($path) = ($baseurl =~ m%://[^/]*(.*)$%);
2801     $repo_dirs{ "${repo_path}/pool" } = 1;
2802
2803     foreach $package ("Packages.gz"){
2804         daemon_log("$session_id DEBUG: create_packages_list: fetch $baseurl, $dist, $section", 7);
2805         get_package( "$baseurl/dists/$dist/$section/binary-$arch/$package", "$outdir/$dist/$section", $session_id );
2806         parse_package( "$outdir/$dist/$section", $dist, $path, $session_id );
2807     }
2808
2809 }
2810
2811
2812 sub get_package {
2813     my ($url, $dest, $session_id)= @_;
2814     if (not defined $session_id) { $session_id = 0; }
2815
2816     my $tpath = dirname($dest);
2817     -d "$tpath" || mkpath "$tpath";
2818
2819     # This is ugly, but I've no time to take a look at "how it works in perl"
2820     if(0 == system("wget '$url' -O '$dest' 2>/dev/null") ) {
2821         system("gunzip -cd '$dest' > '$dest.in'");
2822         daemon_log("$session_id DEBUG: run command: gunzip -cd '$dest' > '$dest.in'", 5);
2823         unlink($dest);
2824         daemon_log("$session_id DEBUG: delete file '$dest'", 5);
2825     } else {
2826         daemon_log("$session_id ERROR: create_packages_list_db: get_packages: fetching '$url' failed!", 1);
2827     }
2828     return 0;
2829 }
2830
2831
2832 sub parse_package {
2833     my ($path, $dist, $srv_path, $session_id)= @_;
2834     if (not defined $session_id) { $session_id = 0;}
2835     my ($package, $version, $section, $description);
2836     my $PACKAGES;
2837     my $timestamp = &get_time();
2838
2839     if(not stat("$path.in")) {
2840         daemon_log("$session_id ERROR: create_packages_list: parse_package: file '$path.in' is not readable",1);
2841         return;
2842     }
2843
2844     open($PACKAGES, "<$path.in");
2845     if(not defined($PACKAGES)) {
2846         daemon_log("$session_id ERROR: create_packages_list_db: parse_package: cannot open '$path.in'",1);
2847         return;
2848     }
2849
2850     # Read lines
2851     while (<$PACKAGES>){
2852         my $line = $_;
2853         # Unify
2854         chop($line);
2855
2856         # Use empty lines as a trigger
2857         if ($line =~ /^\s*$/){
2858             my $sql = "INSERT INTO packages_list VALUES ('$dist', '$package', '$version', '$section', '$description', '', '$timestamp')";
2859             push(@packages_list_statements, $sql);
2860             $package = "none";
2861             $version = "none";
2862             $section = "none";
2863             $description = "none";
2864             next;
2865         }
2866
2867         # Trigger for package name
2868         if ($line =~ /^Package:\s/){
2869             ($package)= ($line =~ /^Package: (.*)$/);
2870             next;
2871         }
2872
2873         # Trigger for version
2874         if ($line =~ /^Version:\s/){
2875             ($version)= ($line =~ /^Version: (.*)$/);
2876             next;
2877         }
2878
2879         # Trigger for description
2880         if ($line =~ /^Description:\s/){
2881             ($description)= &encode_base64(($line =~ /^Description: (.*)$/));
2882             next;
2883         }
2884
2885         # Trigger for section
2886         if ($line =~ /^Section:\s/){
2887             ($section)= ($line =~ /^Section: (.*)$/);
2888             next;
2889         }
2890
2891         # Trigger for filename
2892         if ($line =~ /^Filename:\s/){
2893             my ($filename) = ($line =~ /^Filename: (.*)$/);
2894             store_fileinfo( $package, $filename, $dist, $srv_path, $version, $repo_path );
2895             next;
2896         }
2897     }
2898
2899     close( $PACKAGES );
2900     unlink( "$path.in" );
2901 }
2902
2903
2904 sub store_fileinfo {
2905     my( $package, $file, $dist, $path, $vers, $srvdir) = @_;
2906
2907     my %fileinfo = (
2908         'package' => $package,
2909         'dist' => $dist,
2910         'version' => $vers,
2911     );
2912
2913     $repo_files{ "${srvdir}/$file" } = \%fileinfo;
2914 }
2915
2916
2917 sub cleanup_and_extract {
2918     my $fileinfo = $repo_files{ $File::Find::name };
2919
2920     if( defined $fileinfo ) {
2921
2922         my $dir = "$outdir/$fileinfo->{ 'dist' }/debconf.d";
2923         my $sql;
2924         my $package = $fileinfo->{ 'package' };
2925         my $newver = $fileinfo->{ 'version' };
2926
2927         mkpath($dir);
2928         system( "dpkg -e '$File::Find::name' '$dir/DEBIAN'" );
2929
2930                 if( -f "$dir/DEBIAN/templates" ) {
2931
2932                         daemon_log("DEBUG: Found debconf templates in '$package' - $newver", 7);
2933
2934                         my $tmpl= "";
2935                         {
2936                                 local $/=undef;
2937                                 open FILE, "$dir/DEBIAN/templates";
2938                                 $tmpl = &encode_base64(<FILE>);
2939                                 close FILE;
2940                         }
2941                         rmtree("$dir/DEBIAN/templates");
2942
2943                         $sql= "update $main::packages_list_tn set template = '$tmpl' where package = '$package' and version = '$newver';";
2944                 push @packages_list_statements, $sql;
2945                 }
2946     }
2947
2948     return;
2949 }
2950
2951
2952 sub register_at_foreign_servers {
2953     my ($kernel) = $_[KERNEL];
2954
2955     # hole alle bekannten server aus known_server_db
2956     my $server_sql = "SELECT * FROM $known_server_tn";
2957     my $server_res = $known_server_db->exec_statement($server_sql);
2958
2959     # no entries in known_server_db
2960     if (not ref(@$server_res[0]) eq "ARRAY") {
2961         # TODO
2962     }
2963
2964     # detect already connected clients
2965     my $client_sql = "SELECT * FROM $known_clients_tn";
2966     my $client_res = $known_clients_db->exec_statement($client_sql);
2967
2968     # send my server details to all other gosa-si-server within the network
2969     foreach my $hit (@$server_res) {
2970         my $hostname = @$hit[0];
2971         my $hostkey = &create_passwd;
2972
2973         # add already connected clients to registration message
2974         my $myhash = &create_xml_hash('new_server', $server_address, $hostname);
2975         &add_content2xml_hash($myhash, 'key', $hostkey);
2976         map(&add_content2xml_hash($myhash, 'client', @{$_}[0].",".@{$_}[4]), @$client_res);
2977
2978         # build registration message and send it
2979         my $foreign_server_msg = &create_xml_string($myhash);
2980         my $error = &send_msg_to_target($foreign_server_msg, $hostname, $ServerPackages_key, "new_server", 0);
2981     }
2982
2983     $kernel->delay_set("register_at_foreign_servers", $foreign_servers_register_delay);
2984     return;
2985 }
2986
2987
2988 #==== MAIN = main ==============================================================
2989 #  parse commandline options
2990 Getopt::Long::Configure( "bundling" );
2991 GetOptions("h|help" => \&usage,
2992         "c|config=s" => \$cfg_file,
2993         "f|foreground" => \$foreground,
2994         "v|verbose+" => \$verbose,
2995         "no-arp+" => \$no_arp,
2996            );
2997
2998 #  read and set config parameters
2999 &check_cmdline_param ;
3000 &read_configfile($cfg_file, %cfg_defaults);
3001 &check_pid;
3002
3003 $SIG{CHLD} = 'IGNORE';
3004
3005 # forward error messages to logfile
3006 if( ! $foreground ) {
3007   open( STDIN,  '+>/dev/null' );
3008   open( STDOUT, '+>&STDIN'    );
3009   open( STDERR, '+>&STDIN'    );
3010 }
3011
3012 # Just fork, if we are not in foreground mode
3013 if( ! $foreground ) {
3014     chdir '/'                 or die "Can't chdir to /: $!";
3015     $pid = fork;
3016     setsid                    or die "Can't start a new session: $!";
3017     umask 0;
3018 } else {
3019     $pid = $$;
3020 }
3021
3022 # Do something useful - put our PID into the pid_file
3023 if( 0 != $pid ) {
3024     open( LOCK_FILE, ">$pid_file" );
3025     print LOCK_FILE "$pid\n";
3026     close( LOCK_FILE );
3027     if( !$foreground ) {
3028         exit( 0 )
3029     };
3030 }
3031
3032 # parse head url and revision from svn
3033 my $server_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
3034 $server_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
3035 $server_headURL = defined $1 ? $1 : 'unknown' ;
3036 $server_revision = defined $2 ? $2 : 'unknown' ;
3037 if ($server_headURL =~ /\/tag\// ||
3038         $server_headURL =~ /\/branches\// ) {
3039     $server_status = "stable";
3040 } else {
3041     $server_status = "developmental" ;
3042 }
3043
3044
3045 daemon_log(" ", 1);
3046 daemon_log("$0 started!", 1);
3047 daemon_log("status: $server_status", 1);
3048 daemon_log($server_status_hash->{$server_status}.": $server_revision", 1);
3049
3050 # connect to incoming_db
3051 unlink($incoming_file_name);
3052 $incoming_db = GOSA::DBsqlite->new($incoming_file_name);
3053 $incoming_db->create_table($incoming_tn, \@incoming_col_names);
3054
3055 # connect to gosa-si job queue
3056 $job_db = GOSA::DBsqlite->new($job_queue_file_name);
3057 $job_db->create_table($job_queue_tn, \@job_queue_col_names);
3058
3059 # connect to known_clients_db
3060 $known_clients_db = GOSA::DBsqlite->new($known_clients_file_name);
3061 $known_clients_db->create_table($known_clients_tn, \@known_clients_col_names);
3062
3063 # connect to foreign_clients_db
3064 $foreign_clients_db = GOSA::DBsqlite->new($foreign_clients_file_name);
3065 $foreign_clients_db->create_table($foreign_clients_tn, \@foreign_clients_col_names);
3066
3067 # connect to known_server_db
3068 unlink($known_server_file_name);
3069 $known_server_db = GOSA::DBsqlite->new($known_server_file_name);
3070 $known_server_db->create_table($known_server_tn, \@known_server_col_names);
3071
3072 # connect to login_usr_db
3073 $login_users_db = GOSA::DBsqlite->new($login_users_file_name);
3074 $login_users_db->create_table($login_users_tn, \@login_users_col_names);
3075
3076 # connect to fai_server_db and fai_release_db
3077 unlink($fai_server_file_name);
3078 $fai_server_db = GOSA::DBsqlite->new($fai_server_file_name);
3079 $fai_server_db->create_table($fai_server_tn, \@fai_server_col_names);
3080
3081 unlink($fai_release_file_name);
3082 $fai_release_db = GOSA::DBsqlite->new($fai_release_file_name);
3083 $fai_release_db->create_table($fai_release_tn, \@fai_release_col_names);
3084
3085 # connect to packages_list_db
3086 #unlink($packages_list_file_name);
3087 unlink($packages_list_under_construction);
3088 $packages_list_db = GOSA::DBsqlite->new($packages_list_file_name);
3089 $packages_list_db->create_table($packages_list_tn, \@packages_list_col_names);
3090
3091 # connect to messaging_db
3092 $messaging_db = GOSA::DBsqlite->new($messaging_file_name);
3093 $messaging_db->create_table($messaging_tn, \@messaging_col_names);
3094
3095
3096 # create xml object used for en/decrypting
3097 $xml = new XML::Simple();
3098
3099
3100 # foreign servers
3101 my @foreign_server_list;
3102
3103 # add foreign server from cfg file
3104 if ($foreign_server_string ne "") {
3105     my @cfg_foreign_server_list = split(",", $foreign_server_string);
3106     foreach my $foreign_server (@cfg_foreign_server_list) {
3107         push(@foreign_server_list, $foreign_server);
3108     }
3109 }
3110
3111 # add foreign server from dns
3112 my @tmp_servers;
3113 if ( !$server_domain) {
3114     # Try our DNS Searchlist
3115     for my $domain(get_dns_domains()) {
3116         chomp($domain);
3117         my @tmp_domains= &get_server_addresses($domain);
3118         if(@tmp_domains) {
3119             for my $tmp_server(@tmp_domains) {
3120                 push @tmp_servers, $tmp_server;
3121             }
3122         }
3123     }
3124     if(@tmp_servers && length(@tmp_servers)==0) {
3125         daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3126     }
3127 } else {
3128     @tmp_servers = &get_server_addresses($server_domain);
3129     if( 0 == @tmp_servers ) {
3130         daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3131     }
3132 }
3133 foreach my $server (@tmp_servers) {
3134     unshift(@foreign_server_list, $server);
3135 }
3136 # eliminate duplicate entries
3137 @foreign_server_list = &del_doubles(@foreign_server_list);
3138 my $all_foreign_server = join(", ", @foreign_server_list);
3139 daemon_log("0 INFO: found foreign server in config file and DNS: $all_foreign_server", 5);
3140
3141 # add all found foreign servers to known_server
3142 my $act_timestamp = &get_time();
3143 foreach my $foreign_server (@foreign_server_list) {
3144
3145         # do not add myself to known_server_db
3146         if (&is_local($foreign_server)) { next; }
3147         ######################################
3148
3149     my $res = $known_server_db->add_dbentry( {table=>$known_server_tn,
3150             primkey=>['hostname'],
3151             hostname=>$foreign_server,
3152             status=>'not_jet_registered',
3153             hostkey=>"none",
3154             timestamp=>$act_timestamp,
3155             } );
3156 }
3157
3158
3159 # Import all modules
3160 &import_modules;
3161
3162 # Check wether all modules are gosa-si valid passwd check
3163 &password_check;
3164
3165 # Prepare for using Opsi
3166 if ($opsi_enabled eq "true") {
3167     use JSON::RPC::Client;
3168     use XML::Quote qw(:all);
3169     $opsi_url= "https://".$opsi_admin.":".$opsi_password."@".$opsi_server.":4447/rpc";
3170     $opsi_client = new JSON::RPC::Client;
3171 }
3172
3173
3174 POE::Component::Server::TCP->new(
3175     Alias => "TCP_SERVER",
3176         Port => $server_port,
3177         ClientInput => sub {
3178         my ($kernel, $input) = @_[KERNEL, ARG0];
3179         push(@tasks, $input);
3180         push(@msgs_to_decrypt, $input);
3181         $kernel->yield("msg_to_decrypt");
3182         },
3183     InlineStates => {
3184         msg_to_decrypt => \&msg_to_decrypt,
3185         next_task => \&next_task,
3186         task_result => \&handle_task_result,
3187         task_done   => \&handle_task_done,
3188         task_debug  => \&handle_task_debug,
3189         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3190     }
3191 );
3192
3193 daemon_log("start socket for incoming xml messages at port '$server_port' ", 1);
3194
3195 # create session for repeatedly checking the job queue for jobs
3196 POE::Session->create(
3197         inline_states => {
3198                 _start => \&session_start,
3199         register_at_foreign_servers => \&register_at_foreign_servers,
3200         sig_handler => \&sig_handler,
3201         next_task => \&next_task,
3202         task_result => \&handle_task_result,
3203         task_done   => \&handle_task_done,
3204         task_debug  => \&handle_task_debug,
3205         watch_for_next_tasks => \&watch_for_next_tasks,
3206         watch_for_new_messages => \&watch_for_new_messages,
3207         watch_for_delivery_messages => \&watch_for_delivery_messages,
3208         watch_for_done_messages => \&watch_for_done_messages,
3209                 watch_for_new_jobs => \&watch_for_new_jobs,
3210         watch_for_modified_jobs => \&watch_for_modified_jobs,
3211         watch_for_done_jobs => \&watch_for_done_jobs,
3212         watch_for_opsi_jobs => \&watch_for_opsi_jobs,
3213         watch_for_old_known_clients => \&watch_for_old_known_clients,
3214         create_packages_list_db => \&run_create_packages_list_db,
3215         create_fai_server_db => \&run_create_fai_server_db,
3216         create_fai_release_db => \&run_create_fai_release_db,
3217                 recreate_packages_db => \&run_recreate_packages_db,
3218         session_run_result => \&session_run_result,
3219         session_run_debug => \&session_run_debug,
3220         session_run_done => \&session_run_done,
3221         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3222         }
3223 );
3224
3225
3226 POE::Kernel->run();
3227 exit;
3228