gosa-si/client/events/corefunctions.pm

   1 package corefunctions;
   2
   3 use strict;
   4 use warnings;
   5 use Exporter;
   6 use Fcntl;
   7 use GOSA::GosaSupportDaemon;
   8 use File::Basename;
   9
  10 our @ISA = qw(Exporter);
  11
  12 my @events = (
  13   "get_events",
  14   "registered",
  15   "new_syslog_config",
  16   "new_ntp_config",
  17   "new_ldap_config",
  18   "new_key",
  19   "generate_hw_digest",     # no implementations
  20   "detect_hardware",
  21   "confirm_new_key",
  22   "ping",
  23   "import_events",    # no implementations
  24   );
  25
  26 our @EXPORT = @events;
  27
  28 my ($ldap_enabled, $offline_enabled, $ldap_config, $pam_config, $nss_config, $fai_logpath, $ldap_config_exit_hook);
  29
  30 my $chrony_file = "/etc/chrony/chrony.conf";
  31 my $syslog_file = "/etc/syslog.conf";
  32
  33 my %cfg_defaults = (
  34         "client" => {
  35                 "ldap" => [\$ldap_enabled, 1],
  36                 "offline-ldap" => [\$offline_enabled, 0],
  37                 "ldap-config" => [\$ldap_config, "/etc/ldap/ldap.conf"],
  38                 "pam-config" => [\$pam_config, "/etc/pam_ldap.conf"],
  39                 "nss-config" => [\$nss_config, "/etc/libnss-ldap.conf"],
  40                 "fai-logpath" => [\$fai_logpath, "/var/log/fai/fai.log"],
  41                 "ldap-config-exit-hook" => [\$ldap_config_exit_hook, undef],
  42         },
  43 );
  44
  45 BEGIN {}
  46
  47 END {}
  48
  49 ### Start ######################################################################
  50
  51 &main::read_configfile($main::cfg_file, %cfg_defaults);
  52
  53
  54 my $server_address = $main::server_address;
  55 my $server_key = $main::server_key;
  56 my $client_mac_address = $main::client_mac_address;
  57
  58 sub write_to_file {
  59         my ($string, $file) = @_;
  60         my $error = 0;
  61
  62         if( not defined $file || not -f $file ) {
  63                 &main::daemon_log("ERROR: $0: check '-f file' failed: $file", 1);
  64                 $error++;
  65         }
  66         if( not defined $string || 0 == length($string)) {
  67                 &main::daemon_log("ERROR: $0: empty string to write to file '$file'", 1);
  68                 $error++;
  69         }
  70
  71         if( $error == 0 ) {
  72
  73                 chomp($string);
  74
  75                 if( not -f $file ) {
  76                         open (my $FD_FILE, "$file");
  77                         close($FD_FILE);
  78                 }
  79                 open(my $FD_FILE, ">>", "$file") or &main::daemon_log("ERROR in corefunctions.pm: can not open '$file' to write '$string'", 1);;
  80                 print $FD_FILE $string."\n";
  81                 close($FD_FILE);
  82         }
  83
  84         return;
  85 }
  86
  87
  88 sub get_events {
  89         return \@events;
  90 }
  91
  92 sub daemon_log {
  93         my ($msg, $level) = @_ ;
  94         &main::daemon_log($msg, $level);
  95         return;
  96 }
  97
  98 sub registered {
  99         my ($msg, $msg_hash) = @_ ;
 100
 101         my $header = @{$msg_hash->{'header'}}[0];
 102         if( $header eq "registered" ) {
 103                 my $source = @{$msg_hash->{'source'}}[0];
 104                 &main::daemon_log("INFO: registration at $source", 1);
 105                 $main::server_address = $source;
 106         }
 107
 108         # set globaly variable client_address
 109         my $target =  @{$msg_hash->{'target'}}[0];
 110         $main::client_address = $target;
 111
 112         # set registration_flag to true
 113         &main::_setREGISTERED(1);
 114
 115         # Write the MAC address to file
 116         if(stat($main::opts_file)) {
 117                 unlink($main::opts_file);
 118         }
 119
 120         my $opts_file_FH;
 121         my $hostname= $main::client_dnsname;
 122         $hostname =~ s/\..*$//;
 123         $hostname =~ tr/A-Z/a-z/;
 124         sysopen($opts_file_FH, $main::opts_file, O_RDWR | O_CREAT | O_TRUNC , 0644);
 125         print $opts_file_FH "MAC=\"$main::client_mac_address\"\n";
 126         print $opts_file_FH "IPADDRESS=\"$main::client_ip\"\n";
 127         print $opts_file_FH "HOSTNAME=\"$hostname\"\n";
 128         print $opts_file_FH "FQDN=\"$main::client_dnsname\"\n";
 129         if(defined(@{$msg_hash->{'ldap_available'}}) &&
 130                            @{$msg_hash->{'ldap_available'}}[0] eq "true") {
 131                 print $opts_file_FH "LDAP_AVAILABLE=\"true\"\n";
 132         }
 133         if(defined(@{$msg_hash->{'error'}})) {
 134                 my $errormsg= @{$msg_hash->{'error'}}[0];
 135                 print $opts_file_FH "GOSA_SI_ERROR=\"$errormsg\"\n";
 136                 &write_to_file($errormsg, $fai_logpath);
 137         }
 138         close($opts_file_FH);
 139
 140         return;
 141 }
 142
 143 sub server_leaving {
 144         my ($msg_hash) = @_ ;
 145         my $source = @{$msg_hash->{'source'}}[0];
 146         my $header = @{$msg_hash->{'header'}}[0];
 147
 148         daemon_log("gosa-si-server $source is going down, cause registration procedure", 1);
 149         $main::server_address = "none";
 150         $main::server_key = "none";
 151
 152         # reinitialization of default values in config file
 153         &main::read_configfile;
 154
 155         # registrated at new daemon
 156         &main::register_at_server();
 157
 158         return;
 159 }
 160
 161
 162 ## @method new_syslog_config
 163 # Update or add syslog messages forwarding to specified syslog server.
 164 # @param msg - STRING - xml message with tag server
 165 # @param msg_hash - HASHREF - message information parsed into a hash
 166 sub new_syslog_config {
 167         my ($msg, $msg_hash) = @_ ;
 168
 169         # Sanity check of incoming message
 170         if ((not exists $msg_hash->{'server'}) || (not @{$msg_hash->{'server'}} == 1) ) {
 171                 &main::daemon_log("ERROR: 'new_syslog_config'-message does not contain a syslog server: $msg", 1);
 172                 return;
 173         }
 174
 175         # Fetch the new syslog server from incoming message
 176         my $syslog_server = @{$msg_hash->{'server'}}[0];
 177         &main::daemon_log("INFO: found syslog server: ".join(", ", $syslog_server), 5);
 178         my $found_server_flag = 0;
 179
 180         # Sanity check of /etc/syslog.conf
 181         if (not -f $syslog_file) {
 182                 &main::daemon_log("ERROR: file '$syslog_file' does not exist, cannot do syslog reconfiguration!", 1);
 183                 return;
 184         }
 185
 186         # Substitute existing server with new syslog server
 187         open (my $FILE, "<","$syslog_file");
 188         my @file = <$FILE>;
 189         close($FILE);
 190         my $syslog_server_line = "*.*\t@".$syslog_server."\n";
 191         foreach my $line (@file) {
 192                 if ($line =~ /^\*\.\*\s+@/) {
 193                         $line = $syslog_server_line;
 194                         $found_server_flag++;
 195                 }
 196         }
 197
 198         # Append new server if no old server configuration found
 199         if (not $found_server_flag) {
 200                 push(@file, "\n#\n# syslog server configuration written by GOsa-si\n#\n");
 201                 push(@file, $syslog_server_line);
 202         }
 203
 204         # Write changes to file and close it
 205         open (my $FILE, "+>","$syslog_file");
 206         print $FILE join("", @file);
 207         close($FILE);
 208         &main::daemon_log("INFO: Wrote new configuration file: $syslog_file", 5);
 209
 210         # Restart syslog deamon
 211         my $res = qx(/etc/init.d/sysklogd restart);
 212         &main::daemon_log("INFO: restart syslog daemon: $res", 5);
 213
 214         return;
 215 }
 216
 217
 218 ## @method new_ntp_config
 219 # Updates the server options in /etc/chrony/chrony.conf and restarts the chrony service
 220 # @param msg - STRING - xml message with tag server
 221 # @param msg_hash - HASHREF - message information parsed into a hash
 222 sub new_ntp_config {
 223         my ($msg, $msg_hash) = @_ ;
 224
 225         # Sanity check of incoming message
 226         if ((not exists $msg_hash->{'server'}) || (not @{$msg_hash->{'server'}} >= 1) ) {
 227                 &main::daemon_log("ERROR: 'new_ntp_config'-message does not contain a ntp server: $msg", 1);
 228                 return;
 229         }
 230
 231         # Fetch the new ntp server from incoming message
 232         my $ntp_servers = $msg_hash->{'server'};
 233         &main::daemon_log("INFO: found ntp server: ".join(", ", @$ntp_servers), 5);
 234         my $ntp_servers_string = "server\t".join("\nserver\t", @$ntp_servers)."\n";
 235         my $found_server_flag = 0;
 236
 237         # Sanity check of /etc/chrony/chrony.conf
 238         if (not -f $chrony_file) {
 239                 &main::daemon_log("ERROR: file '$chrony_file' does not exist, cannot do ntp reconfiguration!", 1);
 240                 return;
 241         }
 242
 243         # Substitute existing server with new ntp server
 244         open (my $FILE, "<","$chrony_file");
 245         my @file = <$FILE>;
 246         close($FILE);
 247         my @new_file;
 248         foreach my $line (@file) {
 249                 if ($line =~ /^server\s+/) {
 250                         if ($found_server_flag) {
 251                                 $line =~ s/^server\s+[\S]+\s+$//;
 252                         } else {
 253                                 $line =~ s/^server\s+[\S]+\s+$/$ntp_servers_string/;
 254                         }
 255                         $found_server_flag++;
 256                 }
 257                 push(@new_file, $line);
 258         }
 259
 260         # Append new server if no old server configuration found
 261         if (not $found_server_flag) {
 262                 push(@new_file, "\n# ntp server configuration written by GOsa-si\n");
 263                 push(@new_file, $ntp_servers_string);
 264         }
 265
 266         # Write changes to file and close it
 267         open (my $FILE, ">","$chrony_file");
 268         print $FILE join("", @new_file);
 269         close($FILE);
 270         &main::daemon_log("INFO: Wrote new configuration file: $chrony_file", 5);
 271
 272         # Restart chrony deamon
 273         my $res = qx(/etc/init.d/chrony force-reload);
 274         &main::daemon_log("INFO: restart chrony daemon: $res", 5);
 275
 276         return;
 277 }
 278
 279
 280 sub new_ldap_config {
 281         my ($msg, $msg_hash) = @_ ;
 282
 283         if( $ldap_enabled != 1 ) {
 284                 return;
 285         }
 286
 287         my $element;
 288         my @ldap_uris;
 289         my $ldap_base;
 290         my @ldap_options;
 291         my @pam_options;
 292         my @nss_options;
 293         my $goto_admin;
 294         my $goto_secret;
 295         my $admin_base= "";
 296         my $department= "";
 297         my $release= "";
 298         my $unit_tag;
 299
 300         # Transform input into array
 301         while ( my ($key, $value) = each(%$msg_hash) ) {
 302                 if ($key =~ /^(source|target|header)$/) {
 303                                 next;
 304                 }
 305
 306                 foreach $element (@$value) {
 307                                 if ($key =~ /^ldap_uri$/) {
 308                                                 push (@ldap_uris, $element);
 309                                                 next;
 310                                 }
 311                                 if ($key =~ /^ldap_base$/) {
 312                                                 $ldap_base= $element;
 313                                                 next;
 314                                 }
 315                                 if ($key =~ /^goto_admin$/) {
 316                                                 $goto_admin= $element;
 317                                                 next;
 318                                 }
 319                                 if ($key =~ /^goto_secret$/) {
 320                                                 $goto_secret= $element;
 321                                                 next;
 322                                 }
 323                                 if ($key =~ /^ldap_cfg$/) {
 324                                                 push (@ldap_options, "$element");
 325                                                 next;
 326                                 }
 327                                 if ($key =~ /^pam_cfg$/) {
 328                                                 push (@pam_options, "$element");
 329                                                 next;
 330                                 }
 331                                 if ($key =~ /^nss_cfg$/) {
 332                                                 push (@nss_options, "$element");
 333                                                 next;
 334                                 }
 335                                 if ($key =~ /^admin_base$/) {
 336                                                 $admin_base= $element;
 337                                                 next;
 338                                 }
 339                                 if ($key =~ /^department$/) {
 340                                                 $department= $element;
 341                                                 next;
 342                                 }
 343                                 if ($key =~ /^unit_tag$/) {
 344                                                 $unit_tag= $element;
 345                                                 next;
 346                                 }
 347                                 if ($key =~ /^release$/) {
 348                                                 $release= $element;
 349                                                 next;
 350                                 }
 351                 }
 352         }
 353
 354         # Unit tagging enabled?
 355         if (defined $unit_tag){
 356                         push (@pam_options, "pam_filter gosaUnitTag=$unit_tag");
 357                         push (@nss_options, "nss_base_passwd  $admin_base?sub?gosaUnitTag=$unit_tag");
 358                         push (@nss_options, "nss_base_group   $admin_base?sub?gosaUnitTag=$unit_tag");
 359         }
 360
 361         # Setup ldap.conf
 362         my $file1;
 363         my $file2;
 364         open(my $file1, ">","$ldap_config");
 365         print $file1 "# This file was automatically generated by gosa-si-client. Do not change.\n";
 366         print $file1 "URI";
 367         foreach $element (@ldap_uris) {
 368                 print $file1 " $element";
 369         }
 370         print $file1 "\nBASE $ldap_base\n";
 371         foreach $element (@ldap_options) {
 372                 print $file1 "$element\n";
 373         }
 374         close ($file1);
 375         daemon_log("INFO: Wrote $ldap_config", 5);
 376
 377         # Setup pam_ldap.conf / libnss-ldap.conf
 378         open(my $file1, ">","$pam_config");
 379         open(my $file2, ">","$nss_config");
 380         print $file1 "# This file was automatically generated by gosa-si-client. Do not change.\n";
 381         print $file2 "# This file was automatically generated by gosa-si-client. Do not change.\n";
 382         print $file1 "uri";
 383         print $file2 "uri";
 384         foreach $element (@ldap_uris) {
 385                 print $file1 " $element";
 386                 print $file2 " $element";
 387         }
 388         print $file1 "\nbase $ldap_base\n";
 389         print $file2 "\nbase $ldap_base\n";
 390         foreach $element (@pam_options) {
 391                 print $file1 "$element\n";
 392         }
 393         foreach $element (@nss_options) {
 394                 print $file2 "$element\n";
 395         }
 396         close ($file2);
 397         daemon_log("INFO: Wrote $nss_config", 5);
 398         close ($file1);
 399         daemon_log("INFO: Wrote $pam_config", 5);
 400
 401         # Create goto.secrets if told so - for compatibility reasons
 402         if (defined $goto_admin){
 403                 open(my $file1, ">","/etc/goto/secret");
 404                         close($file1);
 405                         chown(0,0, "/etc/goto/secret");
 406                         chmod(0600, "/etc/goto/secret");
 407                 open(my $file1, ">","/etc/goto/secret");
 408                         print $file1 "GOTOADMIN=\"$goto_admin\"\nGOTOSECRET=\"$goto_secret\"\n";
 409                         close($file1);
 410                         daemon_log("INFO: Wrote /etc/goto/secret", 5);
 411         }
 412
 413         # Write shell based config
 414         my $cfg_name= "/etc/ldap/ldap-shell.conf";
 415
 416     # Get first LDAP server
 417     my $ldap_server= $ldap_uris[0];
 418     $ldap_server=~ s/^ldap:\/\/([^:]+).*$/$1/;
 419
 420     open(my $file1, ">","$cfg_name");
 421     print $file1 "LDAP_BASE=\"$ldap_base\"\n";
 422     print $file1 "LDAP_SERVER=\"$ldap_server\"\n";
 423     print $file1 "LDAP_URIS=\"@ldap_uris\"\n";
 424     print $file1 "ADMIN_BASE=\"$admin_base\"\n";
 425     print $file1 "DEPARTMENT=\"$department\"\n";
 426     print $file1 "RELEASE=\"$release\"\n";
 427     print $file1 "UNIT_TAG=\"".(defined $unit_tag ? "$unit_tag" : "")."\"\n";
 428     print $file1 "UNIT_TAG_FILTER=\"".(defined $unit_tag ? "(gosaUnitTag=$unit_tag)" : "")."\"\n";
 429     close($file1);
 430     daemon_log("INFO: Wrote $cfg_name", 5);
 431
 432     # Write offline config
 433     if ($offline_enabled){
 434             $cfg_name= "/etc/ldap/ldap-offline.conf";
 435
 436             # Get first LDAP server
 437             open(my $file1, ">","$cfg_name");
 438             print $file1 "LDAP_BASE=\"$ldap_base\"\n";
 439             print $file1 "LDAP_SERVER=\"127.0.0.1\"\n";
 440             print $file1 "LDAP_URIS=\"ldap://127.0.0.1\"\n";
 441             print $file1 "ADMIN_BASE=\"$admin_base\"\n";
 442             print $file1 "DEPARTMENT=\"$department\"\n";
 443             print $file1 "RELEASE=\"$release\"\n";
 444             print $file1 "UNIT_TAG=\"".(defined $unit_tag ? "$unit_tag" : "")."\"\n";
 445             print $file1 "UNIT_TAG_FILTER=\"".(defined $unit_tag ? "(gosaUnitTag=$unit_tag)" : "")."\"\n";
 446             close($file1);
 447             daemon_log("INFO: Wrote $cfg_name", 5);
 448     }
 449
 450         # Set permissions and ownership structure of
 451         chown(0, 0, $cfg_name);
 452         chmod(0644, $cfg_name);
 453
 454     # Allow custom scripts to be executed
 455     if (defined $ldap_config_exit_hook) {
 456         system($ldap_config_exit_hook);
 457         daemon_log("Hook $ldap_config_exit_hook returned with code ".($? >> 8), 5);
 458     }
 459
 460     return;
 461 }
 462
 463
 464 sub new_key {
 465         # Create new key
 466     my $new_server_key = &main::create_passwd();
 467
 468         # Send new_key message to server
 469     my $errSend = &main::send_msg_hash_to_target(
 470                 &main::create_xml_hash("new_key", $main::client_address, $main::server_address, $new_server_key),
 471                 $main::server_address,
 472                 $main::server_key,
 473         );
 474
 475         # Set global key
 476         if (not $errSend) {
 477                 $main::server_key = $new_server_key;
 478         }
 479
 480     return;
 481 }
 482
 483
 484 sub confirm_new_key {
 485     my ($msg, $msg_hash) = @_ ;
 486     my $source = @{$msg_hash->{'source'}}[0];
 487
 488     &main::daemon_log("confirm new key from $source", 5);
 489     return;
 490
 491 }
 492
 493
 494 sub detect_hardware {
 495
 496     &write_to_file('goto-hardware-detection-start', $fai_logpath);
 497
 498         my $hwinfo= `which hwinfo`;
 499         chomp $hwinfo;
 500
 501         if (!(defined($hwinfo) && length($hwinfo) > 0)) {
 502                 &main::daemon_log("ERROR: hwinfo was not found in \$PATH! Hardware detection will not work!", 1);
 503                 return;
 504         }
 505
 506         my $result= {
 507                 gotoHardwareChecksum => &main::generate_hw_digest(),
 508                 macAddress      => $client_mac_address,
 509                 gotoXMonitor    => "",
 510                 gotoXDriver     => "",
 511                 gotoXMouseType  => "",
 512                 gotoXMouseport  => "",
 513                 gotoXkbModel    => "",
 514                 gotoXHsync      => "",
 515                 gotoXVsync      => "",
 516                 gotoXResolution => "",
 517                 ghUsbSupport    => "",
 518                 gotoSndModule   => "",
 519                 ghGfxAdapter    => "",
 520                 ghNetNic        => "",
 521                 ghSoundAdapter  => "",
 522                 ghMemSize       => "",
 523                 ghCpuType       => "",
 524                 gotoModules     => [],
 525                 ghIdeDev        => [],
 526                 ghScsiDev       => [],
 527         };
 528
 529         &main::daemon_log("Starting hardware detection", 4);
 530         my $gfxcard= `$hwinfo --gfxcard`;
 531         my $primary_adapter= $1 if $gfxcard =~ /^Primary display adapter:\s#(\d+)\n/m;
 532         if(defined($primary_adapter)) {
 533                 ($result->{ghGfxAdapter}, $result->{gotoXDriver}) = ($1,$2) if
 534                         $gfxcard =~ /$primary_adapter:.*?Model:\s\"([^\"]*)\".*?Server Module:\s(\w*).*?\n\n/s;
 535         }
 536         my $monitor= `$hwinfo --monitor`;
 537         my $primary_monitor= $1 if $monitor =~ /^(\d*):.*/m;
 538         if(defined($primary_monitor)) {
 539                 ($result->{gotoXMonitor}, $result->{gotoXResolution}, $result->{gotoXVsync}, $result->{gotoXHsync})= ($1,$2,$3,$4) if
 540                 $monitor =~ /$primary_monitor:\s.*?Model:\s\"(.*?)\".*?Max\.\sResolution:\s([0-9x]*).*?Vert\.\sSync\sRange:\s([\d\-]*)\sHz.*?Hor\.\sSync\sRange:\s([\d\-]*)\skHz.*/s;
 541         }
 542
 543         if(length($result->{gotoXHsync}) == 0) {
 544                 # set default values
 545                 $result->{gotoXHsync} = "30+50";
 546                 $result->{gotoXVsync} = "30+90";
 547         }
 548
 549         my $mouse= `$hwinfo --mouse`;
 550         my $primary_mouse= $1 if $mouse =~ /^(\d*):.*/m;
 551         if(defined($primary_mouse)) {
 552                 ($result->{gotoXMouseport}, $result->{gotoXMouseType}) = ($1,$2) if
 553                 $mouse =~ /$primary_mouse:\s.*?Device\sFile:\s(.*?)\s.*?XFree86\sProtocol:\s(.*?)\n.*?/s;
 554         }
 555
 556         my $sound= `$hwinfo --sound`;
 557         my $primary_sound= $1 if $sound =~ /^(\d*):.*/m;
 558         if(defined($primary_sound)) {
 559                 ($result->{ghSoundAdapter}, $result->{gotoSndModule})= ($1,$2) if
 560                 $sound =~ /$primary_sound:\s.*?Model:\s\"(.*?)\".*?Driver\sModules:\s\"(.*?)\".*/s;
 561         }
 562
 563         my $netcard= `hwinfo --netcard`;
 564         my $primary_netcard= $1 if $netcard =~ /^(\d*):.*/m;
 565         if(defined($primary_netcard)) {
 566                 $result->{ghNetNic}= $1 if $netcard =~ /$primary_netcard:\s.*?Model:\s\"(.*?)\".*/s;
 567         }
 568
 569         my $keyboard= `hwinfo --keyboard`;
 570         my $primary_keyboard= $1 if $keyboard =~ /^(\d*):.*/m;
 571         if(defined($primary_keyboard)) {
 572                 $result->{gotoXkbModel}= $1 if $keyboard =~ /$primary_keyboard:\s.*?XkbModel:\s(.*?)\n.*/s;
 573         }
 574
 575         $result->{ghCpuType}= sprintf "%s / %s - %s",
 576         `cat /proc/cpuinfo` =~ /.*?vendor_id\s+:\s(.*?)\n.*?model\sname\s+:\s(.*?)\n.*?cpu\sMHz\s+:\s(.*?)\n.*/s;
 577         $result->{ghMemSize}= $1 if `cat /proc/meminfo` =~ /^MemTotal:\s+(.*?)\skB.*/s;
 578
 579         my @gotoModules=();
 580         for my $line(`lsmod`) {
 581                 if (($line =~ /^Module.*$/) or ($line =~ /^snd.*$/)) {
 582                         next;
 583                 } else {
 584                         push @gotoModules, $1 if $line =~ /^(\w*).*$/
 585                 }
 586         }
 587         my %seen = ();
 588
 589         # Remove duplicates and save
 590         push @{$result->{gotoModules}}, grep { ! $seen{$_} ++ } @gotoModules;
 591
 592         $result->{ghUsbSupport} = (-d "/proc/bus/usb")?"true":"false";
 593
 594         foreach my $device(`hwinfo --ide` =~ /^.*?Model:\s\"(.*?)\".*$/mg) {
 595                 push @{$result->{ghIdeDev}}, $device;
 596         }
 597
 598         foreach my $device(`hwinfo --scsi` =~ /^.*?Model:\s\"(.*?)\".*$/mg) {
 599                 push @{$result->{ghScsiDev}}, $device;
 600         }
 601
 602         &main::daemon_log("Hardware detection done!", 4);
 603
 604     &write_to_file('goto-hardware-detection-stop', $fai_logpath);
 605
 606     &main::send_msg_hash_to_target(
 607                 &main::create_xml_hash("detected_hardware", $main::client_address, $main::server_address, $result),
 608                 $main::server_address,
 609                 $main::server_key,
 610         );
 611
 612         return;
 613 }
 614
 615
 616 sub ping {
 617     my ($msg, $msg_hash) = @_ ;
 618     my $header = @{$msg_hash->{'header'}}[0];
 619     my $source = @{$msg_hash->{'source'}}[0];
 620     my $target = @{$msg_hash->{'target'}}[0];
 621     my $session_id = @{$msg_hash->{'session_id'}}[0];
 622     my $out_msg;
 623     my $out_hash;
 624
 625     # there is no session_id so send 'got_new_ping'-msg
 626     if (not defined $session_id) {
 627         $out_hash = &main::create_xml_hash("got_new_ping", $target, $source);
 628
 629     # there is a session_id so send 'answer_$session_id'-msg because there is
 630     # a process waiting for this message
 631     } else {
 632         $out_hash = &main::create_xml_hash("answer_$session_id", $target, $source);
 633         &add_content2xml_hash($out_hash, "session_id", $session_id);
 634     }
 635
 636     my $forward_to_gosa = @{$msg_hash->{'forward_to_gosa'}}[0];
 637     if (defined $forward_to_gosa) {
 638         &add_content2xml_hash($out_hash, "forward_to_gosa", $forward_to_gosa);
 639     }
 640     $out_msg = &main::create_xml_string($out_hash);
 641     return $out_msg;
 642
 643 }
 644
 645 1;