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