gosa-si/client/events/corefunctions.pm

   1 package corefunctions;
   2 use Exporter;
   3 @ISA = qw(Exporter);
   4 my @events = (
   5         "get_events",
   6         "registered",
   7         'new_syslog_config',
   8         "new_ntp_config",
   9         "new_ldap_config",
  10         "new_key",
  11         "generate_hw_digest",     # no implementations
  12         "detect_hardware",
  13         "confirm_new_key",
  14         "ping",
  15         "import_events",    # no implementations
  16         );
  17 @EXPORT = @events;
  18
  19 use strict;
  20 use warnings;
  21 use Fcntl;
  22 use GOSA::GosaSupportDaemon;
  23 use File::Basename;
  24
  25 my ($ldap_enabled, $offline_enabled, $ldap_config, $pam_config, $nss_config, $fai_logpath, $ldap_config_exit_hook);
  26
  27 my $chrony_file = "/etc/chrony/chrony.conf";
  28 my $syslog_file = "/etc/syslog.conf";
  29
  30 my %cfg_defaults = (
  31         "client" => {
  32                 "ldap" => [\$ldap_enabled, 1],
  33                 "offline-ldap" => [\$offline_enabled, 0],
  34                 "ldap-config" => [\$ldap_config, "/etc/ldap/ldap.conf"],
  35                 "pam-config" => [\$pam_config, "/etc/pam_ldap.conf"],
  36                 "nss-config" => [\$nss_config, "/etc/libnss-ldap.conf"],
  37                 "fai-logpath" => [\$fai_logpath, "/var/log/fai/fai.log"],
  38                 "ldap-config-exit-hook" => [\$ldap_config_exit_hook, undef],
  39         },
  40 );
  41
  42 BEGIN {}
  43
  44 END {}
  45
  46 ### Start ######################################################################
  47
  48 &main::read_configfile($main::cfg_file, %cfg_defaults);
  49
  50
  51 my $server_address = $main::server_address;
  52 my $server_key = $main::server_key;
  53 my $client_mac_address = $main::client_mac_address;
  54
  55 sub write_to_file {
  56         my ($string, $file) = @_;
  57         my $error = 0;
  58
  59         if( not defined $file || not -f $file ) {
  60                 &main::daemon_log("ERROR: $0: check '-f file' failed: $file", 1);
  61                 $error++;
  62         }
  63         if( not defined $string || 0 == length($string)) {
  64                 &main::daemon_log("ERROR: $0: empty string to write to file '$file'", 1);
  65                 $error++;
  66         }
  67
  68         if( $error == 0 ) {
  69
  70                 chomp($string);
  71
  72                 if( not -f $file ) {
  73                         open (FILE, "$file");
  74                         close(FILE);
  75                 }
  76                 open(FILE, ">> $file") or &main::daemon_log("ERROR in corefunctions.pm: can not open '$file' to write '$string'", 1);;
  77                 print FILE $string."\n";
  78                 close(FILE);
  79         }
  80
  81         return;
  82 }
  83
  84
  85 sub get_events {
  86         return \@events;
  87 }
  88
  89 sub daemon_log {
  90         my ($msg, $level) = @_ ;
  91         &main::daemon_log($msg, $level);
  92         return;
  93 }
  94
  95 sub registered {
  96         my ($msg, $msg_hash) = @_ ;
  97
  98         my $header = @{$msg_hash->{'header'}}[0];
  99         if( $header eq "registered" ) {
 100                 my $source = @{$msg_hash->{'source'}}[0];
 101                 &main::daemon_log("INFO: registration at $source", 1);
 102                 $main::server_address = $source;
 103         }
 104
 105         # set globaly variable client_address
 106         my $target =  @{$msg_hash->{'target'}}[0];
 107         $main::client_address = $target;
 108
 109         # set registration_flag to true
 110         &main::_setREGISTERED(1);
 111
 112         # Write the MAC address to file
 113         if(stat($main::opts_file)) {
 114                 unlink($main::opts_file);
 115         }
 116
 117         my $opts_file_FH;
 118         my $hostname= $main::client_dnsname;
 119         $hostname =~ s/\..*$//;
 120         $hostname =~ tr/A-Z/a-z/;
 121         sysopen($opts_file_FH, $main::opts_file, O_RDWR | O_CREAT | O_TRUNC , 0644);
 122         print $opts_file_FH "MAC=\"$main::client_mac_address\"\n";
 123         print $opts_file_FH "IPADDRESS=\"$main::client_ip\"\n";
 124         print $opts_file_FH "HOSTNAME=\"$hostname\"\n";
 125         print $opts_file_FH "FQDN=\"$main::client_dnsname\"\n";
 126         if(defined(@{$msg_hash->{'ldap_available'}}) &&
 127                            @{$msg_hash->{'ldap_available'}}[0] eq "true") {
 128                 print $opts_file_FH "LDAP_AVAILABLE=\"true\"\n";
 129         }
 130         if(defined(@{$msg_hash->{'error'}})) {
 131                 my $errormsg= @{$msg_hash->{'error'}}[0];
 132                 print $opts_file_FH "GOSA_SI_ERROR=\"$errormsg\"\n";
 133                 &write_to_file($errormsg, $fai_logpath);
 134         }
 135         close($opts_file_FH);
 136
 137         return;
 138 }
 139
 140 sub server_leaving {
 141         my ($msg_hash) = @_ ;
 142         my $source = @{$msg_hash->{'source'}}[0];
 143         my $header = @{$msg_hash->{'header'}}[0];
 144
 145         daemon_log("gosa-si-server $source is going down, cause registration procedure", 1);
 146         $main::server_address = "none";
 147         $main::server_key = "none";
 148
 149         # reinitialization of default values in config file
 150         &main::read_configfile;
 151
 152         # registrated at new daemon
 153         &main::register_at_server();
 154
 155         return;
 156 }
 157
 158
 159 ## @method new_syslog_config
 160 # Update or add syslog messages forwarding to specified syslog server.
 161 # @param msg - STRING - xml message with tag server
 162 # @param msg_hash - HASHREF - message information parsed into a hash
 163 sub new_syslog_config {
 164         my ($msg, $msg_hash) = @_ ;
 165
 166         # Sanity check of incoming message
 167         if ((not exists $msg_hash->{'server'}) || (not @{$msg_hash->{'server'}} == 1) ) {
 168                 &main::daemon_log("ERROR: 'new_syslog_config'-message does not contain a syslog server: $msg", 1);
 169                 return;
 170         }
 171
 172         # Fetch the new syslog server from incoming message
 173         my $syslog_server = @{$msg_hash->{'server'}}[0];
 174         &main::daemon_log("INFO: found syslog server: ".join(", ", $syslog_server), 5);
 175         my $found_server_flag = 0;
 176
 177         # Sanity check of /etc/syslog.conf
 178         if (not -f $syslog_file) {
 179                 &main::daemon_log("ERROR: file '$syslog_file' does not exist, cannot do syslog reconfiguration!", 1);
 180                 return;
 181         }
 182
 183         # Substitute existing server with new syslog server
 184         open (FILE, "<$syslog_file");
 185         my @file = <FILE>;
 186         close FILE;
 187         my $syslog_server_line = "*.*\t@".$syslog_server."\n";
 188         foreach my $line (@file) {
 189                 if ($line =~ /^\*\.\*\s+@/) {
 190                         $line = $syslog_server_line;
 191                         $found_server_flag++;
 192                 }
 193         }
 194
 195         # Append new server if no old server configuration found
 196         if (not $found_server_flag) {
 197                 push(@file, "\n#\n# syslog server configuration written by GOsa-si\n#\n");
 198                 push(@file, $syslog_server_line);
 199         }
 200
 201         # Write changes to file and close it
 202         open (FILE, "+>$syslog_file");
 203         print FILE join("", @file);
 204         close FILE;
 205         &main::daemon_log("INFO: Wrote new configuration file: $syslog_file", 5);
 206
 207         # Restart syslog deamon
 208         my $res = qx(/etc/init.d/sysklogd restart);
 209         &main::daemon_log("INFO: restart syslog daemon: $res", 5);
 210
 211         return;
 212 }
 213
 214
 215 ## @method new_ntp_config
 216 # Updates the server options in /etc/chrony/chrony.conf and restarts the chrony service
 217 # @param msg - STRING - xml message with tag server
 218 # @param msg_hash - HASHREF - message information parsed into a hash
 219 sub new_ntp_config {
 220         my ($msg, $msg_hash) = @_ ;
 221
 222         # Sanity check of incoming message
 223         if ((not exists $msg_hash->{'server'}) || (not @{$msg_hash->{'server'}} >= 1) ) {
 224                 &main::daemon_log("ERROR: 'new_ntp_config'-message does not contain a ntp server: $msg", 1);
 225                 return;
 226         }
 227
 228         # Fetch the new ntp server from incoming message
 229         my $ntp_servers = $msg_hash->{'server'};
 230         &main::daemon_log("INFO: found ntp server: ".join(", ", @$ntp_servers), 5);
 231         my $ntp_servers_string = "server\t".join("\nserver\t", @$ntp_servers)."\n";
 232         my $found_server_flag = 0;
 233
 234         # Sanity check of /etc/chrony/chrony.conf
 235         if (not -f $chrony_file) {
 236                 &main::daemon_log("ERROR: file '$chrony_file' does not exist, cannot do ntp reconfiguration!", 1);
 237                 return;
 238         }
 239
 240         # Substitute existing server with new ntp server
 241         open (FILE, "<$chrony_file");
 242         my @file = <FILE>;
 243         close FILE;
 244         my @new_file;
 245         foreach my $line (@file) {
 246                 if ($line =~ /^server\s+/) {
 247                         if ($found_server_flag) {
 248                                 $line =~ s/^server\s+[\S]+\s+$//;
 249                         } else {
 250                                 $line =~ s/^server\s+[\S]+\s+$/$ntp_servers_string/;
 251                         }
 252                         $found_server_flag++;
 253                 }
 254                 push(@new_file, $line);
 255         }
 256
 257         # Append new server if no old server configuration found
 258         if (not $found_server_flag) {
 259                 push(@new_file, "\n# ntp server configuration written by GOsa-si\n");
 260                 push(@new_file, $ntp_servers_string);
 261         }
 262
 263         # Write changes to file and close it
 264         open (FILE, ">$chrony_file");
 265         print FILE join("", @new_file);
 266         close FILE;
 267         &main::daemon_log("INFO: Wrote new configuration file: $chrony_file", 5);
 268
 269         # Restart chrony deamon
 270         my $res = qx(/etc/init.d/chrony force-reload);
 271         &main::daemon_log("INFO: restart chrony daemon: $res", 5);
 272
 273         return;
 274 }
 275
 276
 277 sub new_ldap_config {
 278         my ($msg, $msg_hash) = @_ ;
 279
 280         if( $ldap_enabled != 1 ) {
 281                 return;
 282         }
 283
 284         my $element;
 285         my @ldap_uris;
 286         my $ldap_base;
 287         my @ldap_options;
 288         my @pam_options;
 289         my @nss_options;
 290         my $goto_admin;
 291         my $goto_secret;
 292         my $admin_base= "";
 293         my $department= "";
 294         my $release= "";
 295         my $unit_tag;
 296
 297         # Transform input into array
 298         while ( my ($key, $value) = each(%$msg_hash) ) {
 299                 if ($key =~ /^(source|target|header)$/) {
 300                                 next;
 301                 }
 302
 303                 foreach $element (@$value) {
 304                                 if ($key =~ /^ldap_uri$/) {
 305                                                 push (@ldap_uris, $element);
 306                                                 next;
 307                                 }
 308                                 if ($key =~ /^ldap_base$/) {
 309                                                 $ldap_base= $element;
 310                                                 next;
 311                                 }
 312                                 if ($key =~ /^goto_admin$/) {
 313                                                 $goto_admin= $element;
 314                                                 next;
 315                                 }
 316                                 if ($key =~ /^goto_secret$/) {
 317                                                 $goto_secret= $element;
 318                                                 next;
 319                                 }
 320                                 if ($key =~ /^ldap_cfg$/) {
 321                                                 push (@ldap_options, "$element");
 322                                                 next;
 323                                 }
 324                                 if ($key =~ /^pam_cfg$/) {
 325                                                 push (@pam_options, "$element");
 326                                                 next;
 327                                 }
 328                                 if ($key =~ /^nss_cfg$/) {
 329                                                 push (@nss_options, "$element");
 330                                                 next;
 331                                 }
 332                                 if ($key =~ /^admin_base$/) {
 333                                                 $admin_base= $element;
 334                                                 next;
 335                                 }
 336                                 if ($key =~ /^department$/) {
 337                                                 $department= $element;
 338                                                 next;
 339                                 }
 340                                 if ($key =~ /^unit_tag$/) {
 341                                                 $unit_tag= $element;
 342                                                 next;
 343                                 }
 344                                 if ($key =~ /^release$/) {
 345                                                 $release= $element;
 346                                                 next;
 347                                 }
 348                 }
 349         }
 350
 351         # Unit tagging enabled?
 352         if (defined $unit_tag){
 353                         push (@pam_options, "pam_filter gosaUnitTag=$unit_tag");
 354                         push (@nss_options, "nss_base_passwd  $admin_base?sub?gosaUnitTag=$unit_tag");
 355                         push (@nss_options, "nss_base_group   $admin_base?sub?gosaUnitTag=$unit_tag");
 356         }
 357
 358         # Setup ldap.conf
 359         my $file1;
 360         my $file2;
 361         open(file1, "> $ldap_config");
 362         print file1 "# This file was automatically generated by gosa-si-client. Do not change.\n";
 363         print file1 "URI";
 364         foreach $element (@ldap_uris) {
 365                 print file1 " $element";
 366         }
 367         print file1 "\nBASE $ldap_base\n";
 368         foreach $element (@ldap_options) {
 369                 print file1 "$element\n";
 370         }
 371         close (file1);
 372         daemon_log("INFO: Wrote $ldap_config", 5);
 373
 374         # Setup pam_ldap.conf / libnss-ldap.conf
 375         open(file1, "> $pam_config");
 376         open(file2, "> $nss_config");
 377         print file1 "# This file was automatically generated by gosa-si-client. Do not change.\n";
 378         print file2 "# This file was automatically generated by gosa-si-client. Do not change.\n";
 379         print file1 "uri";
 380         print file2 "uri";
 381         foreach $element (@ldap_uris) {
 382                 print file1 " $element";
 383                 print file2 " $element";
 384         }
 385         print file1 "\nbase $ldap_base\n";
 386         print file2 "\nbase $ldap_base\n";
 387         foreach $element (@pam_options) {
 388                 print file1 "$element\n";
 389         }
 390         foreach $element (@nss_options) {
 391                 print file2 "$element\n";
 392         }
 393         close (file2);
 394         daemon_log("INFO: Wrote $nss_config", 5);
 395         close (file1);
 396         daemon_log("INFO: Wrote $pam_config", 5);
 397
 398         # Create goto.secrets if told so - for compatibility reasons
 399         if (defined $goto_admin){
 400                 open(file1, "> /etc/goto/secret");
 401                         close(file1);
 402                         chown(0,0, "/etc/goto/secret");
 403                         chmod(0600, "/etc/goto/secret");
 404                 open(file1, "> /etc/goto/secret");
 405                         print file1 "GOTOADMIN=\"$goto_admin\"\nGOTOSECRET=\"$goto_secret\"\n";
 406                         close(file1);
 407                         daemon_log("INFO: Wrote /etc/goto/secret", 5);
 408         }
 409
 410         # Write shell based config
 411         my $cfg_name= "/etc/ldap/ldap-shell.conf";
 412
 413     # Get first LDAP server
 414     my $ldap_server= $ldap_uris[0];
 415     $ldap_server=~ s/^ldap:\/\/([^:]+).*$/$1/;
 416
 417     open(file1, "> $cfg_name");
 418     print file1 "LDAP_BASE=\"$ldap_base\"\n";
 419     print file1 "LDAP_SERVER=\"$ldap_server\"\n";
 420     print file1 "LDAP_URIS=\"@ldap_uris\"\n";
 421     print file1 "ADMIN_BASE=\"$admin_base\"\n";
 422     print file1 "DEPARTMENT=\"$department\"\n";
 423     print file1 "RELEASE=\"$release\"\n";
 424     print file1 "UNIT_TAG=\"".(defined $unit_tag ? "$unit_tag" : "")."\"\n";
 425     print file1 "UNIT_TAG_FILTER=\"".(defined $unit_tag ? "(gosaUnitTag=$unit_tag)" : "")."\"\n";
 426     close(file1);
 427     daemon_log("INFO: Wrote $cfg_name", 5);
 428
 429     # Write offline config
 430     if ($offline_enabled){
 431             $cfg_name= "/etc/ldap/ldap-offline.conf";
 432
 433             # Get first LDAP server
 434             open(file1, "> $cfg_name");
 435             print file1 "LDAP_BASE=\"$ldap_base\"\n";
 436             print file1 "LDAP_SERVER=\"127.0.0.1\"\n";
 437             print file1 "LDAP_URIS=\"ldap://127.0.0.1\"\n";
 438             print file1 "ADMIN_BASE=\"$admin_base\"\n";
 439             print file1 "DEPARTMENT=\"$department\"\n";
 440             print file1 "RELEASE=\"$release\"\n";
 441             print file1 "UNIT_TAG=\"".(defined $unit_tag ? "$unit_tag" : "")."\"\n";
 442             print file1 "UNIT_TAG_FILTER=\"".(defined $unit_tag ? "(gosaUnitTag=$unit_tag)" : "")."\"\n";
 443             close(file1);
 444             daemon_log("INFO: Wrote $cfg_name", 5);
 445     }
 446
 447         # Set permissions and ownership structure of
 448         chown(0, 0, $cfg_name);
 449         chmod(0644, $cfg_name);
 450
 451     # Allow custom scripts to be executed
 452     if (defined $ldap_config_exit_hook) {
 453         system($ldap_config_exit_hook);
 454         daemon_log("executed hook $ldap_config_exit_hook", 5);
 455     }
 456
 457     return;
 458 }
 459
 460
 461 sub new_key {
 462         # Create new key
 463     my $new_server_key = &main::create_passwd();
 464
 465         # Send new_key message to server
 466     my $errSend = &main::send_msg_hash_to_target(
 467                 &main::create_xml_hash("new_key", $main::client_address, $main::server_address, $new_server_key),
 468                 $main::server_address,
 469                 $main::server_key,
 470         );
 471
 472         # Set global key
 473         if (not $errSend) {
 474                 $main::server_key = $new_server_key;
 475         }
 476
 477     return;
 478 }
 479
 480
 481 sub confirm_new_key {
 482     my ($msg, $msg_hash) = @_ ;
 483     my $source = @{$msg_hash->{'source'}}[0];
 484
 485     &main::daemon_log("confirm new key from $source", 5);
 486     return;
 487
 488 }
 489
 490
 491 sub detect_hardware {
 492
 493     &write_to_file('goto-hardware-detection-start', $fai_logpath);
 494
 495         my $hwinfo= `which hwinfo`;
 496         chomp $hwinfo;
 497
 498         if (!(defined($hwinfo) && length($hwinfo) > 0)) {
 499                 &main::daemon_log("ERROR: hwinfo was not found in \$PATH! Hardware detection will not work!", 1);
 500                 return;
 501         }
 502
 503         my $result= {
 504                 gotoHardwareChecksum => &main::generate_hw_digest(),
 505                 macAddress      => $client_mac_address,
 506                 gotoXMonitor    => "",
 507                 gotoXDriver     => "",
 508                 gotoXMouseType  => "",
 509                 gotoXMouseport  => "",
 510                 gotoXkbModel    => "",
 511                 gotoXHsync      => "",
 512                 gotoXVsync      => "",
 513                 gotoXResolution => "",
 514                 ghUsbSupport    => "",
 515                 gotoSndModule   => "",
 516                 ghGfxAdapter    => "",
 517                 ghNetNic        => "",
 518                 ghSoundAdapter  => "",
 519                 ghMemSize       => "",
 520                 ghCpuType       => "",
 521                 gotoModules     => [],
 522                 ghIdeDev        => [],
 523                 ghScsiDev       => [],
 524         };
 525
 526         &main::daemon_log("Starting hardware detection", 4);
 527         my $gfxcard= `$hwinfo --gfxcard`;
 528         my $primary_adapter= $1 if $gfxcard =~ /^Primary display adapter:\s#(\d+)\n/m;
 529         if(defined($primary_adapter)) {
 530                 ($result->{ghGfxAdapter}, $result->{gotoXDriver}) = ($1,$2) if
 531                         $gfxcard =~ /$primary_adapter:.*?Model:\s\"([^\"]*)\".*?Server Module:\s(\w*).*?\n\n/s;
 532         }
 533         my $monitor= `$hwinfo --monitor`;
 534         my $primary_monitor= $1 if $monitor =~ /^(\d*):.*/m;
 535         if(defined($primary_monitor)) {
 536                 ($result->{gotoXMonitor}, $result->{gotoXResolution}, $result->{gotoXVsync}, $result->{gotoXHsync})= ($1,$2,$3,$4) if
 537                 $monitor =~ /$primary_monitor:\s.*?Model:\s\"(.*?)\".*?Max\.\sResolution:\s([0-9x]*).*?Vert\.\sSync\sRange:\s([\d\-]*)\sHz.*?Hor\.\sSync\sRange:\s([\d\-]*)\skHz.*/s;
 538         }
 539
 540         if(length($result->{gotoXHsync}) == 0) {
 541                 # set default values
 542                 $result->{gotoXHsync} = "30+50";
 543                 $result->{gotoXVsync} = "30+90";
 544         }
 545
 546         my $mouse= `$hwinfo --mouse`;
 547         my $primary_mouse= $1 if $mouse =~ /^(\d*):.*/m;
 548         if(defined($primary_mouse)) {
 549                 ($result->{gotoXMouseport}, $result->{gotoXMouseType}) = ($1,$2) if
 550                 $mouse =~ /$primary_mouse:\s.*?Device\sFile:\s(.*?)\s.*?XFree86\sProtocol:\s(.*?)\n.*?/s;
 551         }
 552
 553         my $sound= `$hwinfo --sound`;
 554         my $primary_sound= $1 if $sound =~ /^(\d*):.*/m;
 555         if(defined($primary_sound)) {
 556                 ($result->{ghSoundAdapter}, $result->{gotoSndModule})= ($1,$2) if
 557                 $sound =~ /$primary_sound:\s.*?Model:\s\"(.*?)\".*?Driver\sModules:\s\"(.*?)\".*/s;
 558         }
 559
 560         my $netcard= `hwinfo --netcard`;
 561         my $primary_netcard= $1 if $netcard =~ /^(\d*):.*/m;
 562         if(defined($primary_netcard)) {
 563                 $result->{ghNetNic}= $1 if $netcard =~ /$primary_netcard:\s.*?Model:\s\"(.*?)\".*/s;
 564         }
 565
 566         my $keyboard= `hwinfo --keyboard`;
 567         my $primary_keyboard= $1 if $keyboard =~ /^(\d*):.*/m;
 568         if(defined($primary_keyboard)) {
 569                 $result->{gotoXkbModel}= $1 if $keyboard =~ /$primary_keyboard:\s.*?XkbModel:\s(.*?)\n.*/s;
 570         }
 571
 572         $result->{ghCpuType}= sprintf "%s / %s - %s",
 573         `cat /proc/cpuinfo` =~ /.*?vendor_id\s+:\s(.*?)\n.*?model\sname\s+:\s(.*?)\n.*?cpu\sMHz\s+:\s(.*?)\n.*/s;
 574         $result->{ghMemSize}= $1 if `cat /proc/meminfo` =~ /^MemTotal:\s+(.*?)\skB.*/s;
 575
 576         my @gotoModules=();
 577         for my $line(`lsmod`) {
 578                 if (($line =~ /^Module.*$/) or ($line =~ /^snd.*$/)) {
 579                         next;
 580                 } else {
 581                         push @gotoModules, $1 if $line =~ /^(\w*).*$/
 582                 }
 583         }
 584         my %seen = ();
 585
 586         # Remove duplicates and save
 587         push @{$result->{gotoModules}}, grep { ! $seen{$_} ++ } @gotoModules;
 588
 589         $result->{ghUsbSupport} = (-d "/proc/bus/usb")?"true":"false";
 590
 591         foreach my $device(`hwinfo --ide` =~ /^.*?Model:\s\"(.*?)\".*$/mg) {
 592                 push @{$result->{ghIdeDev}}, $device;
 593         }
 594
 595         foreach my $device(`hwinfo --scsi` =~ /^.*?Model:\s\"(.*?)\".*$/mg) {
 596                 push @{$result->{ghScsiDev}}, $device;
 597         }
 598
 599         &main::daemon_log("Hardware detection done!", 4);
 600
 601     &write_to_file('goto-hardware-detection-stop', $fai_logpath);
 602
 603     &main::send_msg_hash_to_target(
 604                 &main::create_xml_hash("detected_hardware", $main::client_address, $main::server_address, $result),
 605                 $main::server_address,
 606                 $main::server_key,
 607         );
 608
 609         return;
 610 }
 611
 612
 613 sub ping {
 614     my ($msg, $msg_hash) = @_ ;
 615     my $header = @{$msg_hash->{'header'}}[0];
 616     my $source = @{$msg_hash->{'source'}}[0];
 617     my $target = @{$msg_hash->{'target'}}[0];
 618     my $session_id = @{$msg_hash->{'session_id'}}[0];
 619     my $out_msg;
 620     my $out_hash;
 621
 622     # there is no session_id so send 'got_new_ping'-msg
 623     if (not defined $session_id) {
 624         $out_hash = &main::create_xml_hash("got_new_ping", $target, $source);
 625
 626     # there is a session_id so send 'answer_$session_id'-msg because there is
 627     # a process waiting for this message
 628     } else {
 629         $out_hash = &main::create_xml_hash("answer_$session_id", $target, $source);
 630         &add_content2xml_hash($out_hash, "session_id", $session_id);
 631     }
 632
 633     my $forward_to_gosa = @{$msg_hash->{'forward_to_gosa'}}[0];
 634     if (defined $forward_to_gosa) {
 635         &add_content2xml_hash($out_hash, "forward_to_gosa", $forward_to_gosa);
 636     }
 637     $out_msg = &main::create_xml_string($out_hash);
 638     return $out_msg;
 639
 640 }
 641
 642 1;