gosa-si/client/events/corefunctions.pm

   1 package corefunctions;
   2
   3 use strict;
   4 use warnings;
   5
   6 use File::Basename;
   7 use GOsaSI::GosaSupportDaemon;
   8
   9 use Exporter;
  10 use Fcntl;
  11
  12
  13 our @ISA = qw(Exporter);
  14
  15 my @events = (
  16   "get_events",
  17   "registered",
  18   "new_syslog_config",
  19   "new_ntp_config",
  20   "new_ldap_config",
  21   "new_key",
  22   "generate_hw_digest",     # no implementations
  23   "detect_hardware",
  24   "confirm_new_key",
  25   "ping",
  26   "import_events",    # no implementations
  27   );
  28
  29 our @EXPORT = @events;
  30
  31 my ($ldap_enabled, $offline_enabled, $ldap_config, $pam_config, $nss_config, $fai_logpath, $ldap_config_exit_hook);
  32
  33 my $chrony_file = "/etc/chrony/chrony.conf";
  34 my $syslog_file = "/etc/syslog.conf";
  35
  36 # why is it re read here, the config is read at the start of the program no !!
  37 my %cfg_defaults = (
  38         "client" => {
  39                 "ldap" => [\$ldap_enabled, 1],
  40                 "offline-ldap" => [\$offline_enabled, 0],
  41                 "ldap-config" => [\$ldap_config, "/etc/ldap/ldap.conf"],
  42                 "pam-config" => [\$pam_config, "/etc/pam_ldap.conf"],
  43                 "nss-config" => [\$nss_config, "/etc/libnss-ldap.conf"],
  44                 "fai-logpath" => [\$fai_logpath, "/var/log/fai/fai.log"],
  45                 "ldap-config-exit-hook" => [\$ldap_config_exit_hook, undef],
  46         },
  47 );
  48
  49 BEGIN {}
  50
  51 END {}
  52
  53 ### Start ######################################################################
  54
  55 # why not using  the config read in the main ?? !!
  56 &main::read_configfile($main::cfg_file, %cfg_defaults);
  57
  58
  59 my $server_address = $main::server_address;
  60 my $server_key = $main::server_key;
  61 my $client_mac_address = $main::client_mac_address;
  62
  63 sub write_to_file {
  64         my ($string, $file) = @_;
  65         my $error = 0;
  66
  67         if( not defined $file || not -f $file ) {
  68                 &main::daemon_log("ERROR: $0: check '-f file' failed: $file", 1);
  69                 $error++;
  70         }
  71         if( not defined $string || 0 == length($string)) {
  72                 &main::daemon_log("ERROR: $0: empty string to write to file '$file'", 1);
  73                 $error++;
  74         }
  75
  76         if( $error == 0 ) {
  77
  78                 chomp($string);
  79
  80                 if( not -f $file ) {
  81                         open (my $FD_FILE, "$file");
  82                         close($FD_FILE);
  83                 }
  84                 open(my $FD_FILE, ">>", "$file") or &main::daemon_log("ERROR in corefunctions.pm: can not open '$file' to write '$string'", 1);;
  85                 print $FD_FILE $string."\n";
  86                 close($FD_FILE);
  87         }
  88
  89         return;
  90 }
  91
  92 # should be the first function of each module of gosa-si !!
  93 sub get_events {
  94         return \@events;
  95 }
  96
  97 sub daemon_log {
  98         my ($msg, $level) = @_ ;
  99         &main::daemon_log($msg, $level);
 100         return;
 101 }
 102
 103 sub registered {
 104         my ($msg, $msg_hash) = @_ ;
 105
 106         my $header = @{$msg_hash->{'header'}}[0];
 107         if( $header eq "registered" ) {
 108                 my $source = @{$msg_hash->{'source'}}[0];
 109                 &main::daemon_log("INFO: registration at $source", 1);
 110                 $main::server_address = $source;
 111         }
 112
 113         # set globaly variable client_address
 114         my $target =  @{$msg_hash->{'target'}}[0];
 115         $main::client_address = $target;
 116
 117         # set registration_flag to true
 118         &main::_setREGISTERED(1);
 119
 120         # Write the MAC address to file
 121         if(stat($main::opts_file)) {
 122                 unlink($main::opts_file);
 123         }
 124
 125         my $opts_file_FH;
 126         my $hostname= $main::client_dnsname;
 127         $hostname =~ s/\..*$//;
 128         $hostname =~ tr/A-Z/a-z/;
 129         sysopen($opts_file_FH, $main::opts_file, O_RDWR | O_CREAT | O_TRUNC , 0644);
 130         print $opts_file_FH "MAC=\"$main::client_mac_address\"\n";
 131         print $opts_file_FH "IPADDRESS=\"$main::client_ip\"\n";
 132         print $opts_file_FH "HOSTNAME=\"$hostname\"\n";
 133         print $opts_file_FH "FQDN=\"$main::client_dnsname\"\n";
 134         if(defined(@{$msg_hash->{'ldap_available'}}) &&
 135                            @{$msg_hash->{'ldap_available'}}[0] eq "true") {
 136                 print $opts_file_FH "LDAP_AVAILABLE=\"true\"\n";
 137         }
 138         if(defined(@{$msg_hash->{'error'}})) {
 139                 my $errormsg= @{$msg_hash->{'error'}}[0];
 140                 print $opts_file_FH "GOSA_SI_ERROR=\"$errormsg\"\n";
 141                 &write_to_file($errormsg, $fai_logpath);
 142         }
 143         close($opts_file_FH);
 144
 145         return;
 146 }
 147
 148 sub server_leaving {
 149         my ($msg_hash) = @_ ;
 150         my $source = @{$msg_hash->{'source'}}[0];
 151         my $header = @{$msg_hash->{'header'}}[0];
 152
 153         daemon_log("gosa-si-server $source is going down, cause registration procedure", 1);
 154         $main::server_address = "none";
 155         $main::server_key = "none";
 156
 157         # reinitialization of default values in config file
 158         &main::read_configfile;
 159
 160         # registrated at new daemon
 161         &main::register_at_server();
 162
 163         return;
 164 }
 165
 166
 167 ## @method new_syslog_config
 168 # Update or add syslog messages forwarding to specified syslog server.
 169 # @param msg - STRING - xml message with tag server
 170 # @param msg_hash - HASHREF - message information parsed into a hash
 171 sub new_syslog_config {
 172         my ($msg, $msg_hash) = @_ ;
 173
 174         # Sanity check of incoming message
 175         if ((not exists $msg_hash->{'server'}) || (not @{$msg_hash->{'server'}} == 1) ) {
 176                 &main::daemon_log("ERROR: 'new_syslog_config'-message does not contain a syslog server: $msg", 1);
 177                 return;
 178         }
 179
 180         # Fetch the new syslog server from incoming message
 181         my $syslog_server = @{$msg_hash->{'server'}}[0];
 182         &main::daemon_log("INFO: found syslog server: ".join(", ", $syslog_server), 5);
 183         my $found_server_flag = 0;
 184
 185         # Sanity check of /etc/syslog.conf
 186         if (not -f $syslog_file) {
 187                 &main::daemon_log("ERROR: file '$syslog_file' does not exist, cannot do syslog reconfiguration!", 1);
 188                 return;
 189         }
 190
 191         # Substitute existing server with new syslog server
 192         open (my $syslog, "<","$syslog_file");
 193         my @file = <$syslog>;
 194         close($syslog);
 195         my $syslog_server_line = "*.*\t@".$syslog_server."\n";
 196         foreach my $line (@file) {
 197                 if ($line =~ /^\*\.\*\s+@/) {
 198                         $line = $syslog_server_line;
 199                         $found_server_flag++;
 200                 }
 201         }
 202
 203         # Append new server if no old server configuration found
 204         if (not $found_server_flag) {
 205                 push(@file, "\n#\n# syslog server configuration written by GOsa-si\n#\n");
 206                 push(@file, $syslog_server_line);
 207         }
 208
 209         # Write changes to file and close it
 210         open (my $new_syslog, "+>","$syslog_file");
 211         print $new_syslog join("", @file);
 212         close($new_syslog);
 213         &main::daemon_log("INFO: Wrote new configuration file: $syslog_file", 5);
 214
 215         # Restart syslog deamon
 216         my $res = qx(/etc/init.d/sysklogd restart);
 217         &main::daemon_log("INFO: restart syslog daemon: $res", 5);
 218
 219         return;
 220 }
 221
 222
 223 ## @method new_ntp_config
 224 # Updates the server options in /etc/chrony/chrony.conf and restarts the chrony service
 225 # @param msg - STRING - xml message with tag server
 226 # @param msg_hash - HASHREF - message information parsed into a hash
 227 sub new_ntp_config {
 228         my ($msg, $msg_hash) = @_ ;
 229
 230         # Sanity check of incoming message
 231         if ((not exists $msg_hash->{'server'}) || (not @{$msg_hash->{'server'}} >= 1) ) {
 232                 &main::daemon_log("ERROR: 'new_ntp_config'-message does not contain a ntp server: $msg", 1);
 233                 return;
 234         }
 235
 236         # Fetch the new ntp server from incoming message
 237         my $ntp_servers = $msg_hash->{'server'};
 238         &main::daemon_log("INFO: found ntp server: ".join(", ", @$ntp_servers), 5);
 239         my $ntp_servers_string = "server\t".join("\nserver\t", @$ntp_servers)."\n";
 240         my $found_server_flag = 0;
 241
 242         # Sanity check of /etc/chrony/chrony.conf
 243         if (not -f $chrony_file) {
 244                 &main::daemon_log("ERROR: file '$chrony_file' does not exist, cannot do ntp reconfiguration!", 1);
 245                 return;
 246         }
 247
 248         # Substitute existing server with new ntp server
 249         open (my $ntp, "<","$chrony_file");
 250         my @file = <$ntp>;
 251         close($ntp);
 252         my @new_file;
 253         foreach my $line (@file) {
 254                 if ($line =~ /^server\s+/) {
 255                         if ($found_server_flag) {
 256                                 $line =~ s/^server\s+[\S]+\s+$//;
 257                         } else {
 258                                 $line =~ s/^server\s+[\S]+\s+$/$ntp_servers_string/;
 259                         }
 260                         $found_server_flag++;
 261                 }
 262                 push(@new_file, $line);
 263         }
 264
 265         # Append new server if no old server configuration found
 266         if (not $found_server_flag) {
 267                 push(@new_file, "\n# ntp server configuration written by GOsa-si\n");
 268                 push(@new_file, $ntp_servers_string);
 269         }
 270
 271         # Write changes to file and close it
 272         open (my $new_ntp, ">","$chrony_file");
 273         print $new_ntp join("", @new_file);
 274         close($new_ntp);
 275         &main::daemon_log("INFO: Wrote new configuration file: $chrony_file", 5);
 276
 277         # Restart chrony deamon
 278         my $res = qx(/etc/init.d/chrony force-reload);
 279         &main::daemon_log("INFO: restart chrony daemon: $res", 5);
 280
 281         return;
 282 }
 283
 284
 285 sub new_ldap_config {
 286         my ($msg, $msg_hash) = @_ ;
 287
 288         if( $ldap_enabled != 1 ) {
 289                 return;
 290         }
 291
 292         my $element;
 293         my @ldap_uris;
 294         my $ldap_base;
 295         my @ldap_options;
 296         my @pam_options;
 297         my @nss_options;
 298         my $goto_admin;
 299         my $goto_secret;
 300         my $admin_base= "";
 301         my $department= "";
 302         my $release= "";
 303         my $unit_tag;
 304         my $ldap_file;
 305         my $pam_file;
 306         my $nss_file;
 307         my $goto_file;
 308         my $goto_secret_file;
 309         my $ldap_offline_file;
 310         my $ldap_shell_file;
 311
 312         my $ldap_shell_config = "/etc/ldap/ldap-shell.conf";
 313         my $ldap_offline_config = "/etc/ldap/ldap-offline.conf";
 314         my $goto_secret_config = "/etc/goto/secret";
 315
 316         # Transform input into array
 317         while ( my ($key, $value) = each(%$msg_hash) ) {
 318                 if ($key =~ /^(source|target|header)$/) {
 319                                 next;
 320                 }
 321
 322                 foreach $element (@$value) {
 323                                 if ($key =~ /^ldap_uri$/) {
 324                                                 push (@ldap_uris, $element);
 325                                                 next;
 326                                 }
 327                                 if ($key =~ /^ldap_base$/) {
 328                                                 $ldap_base= $element;
 329                                                 next;
 330                                 }
 331                                 if ($key =~ /^goto_admin$/) {
 332                                                 $goto_admin= $element;
 333                                                 next;
 334                                 }
 335                                 if ($key =~ /^goto_secret$/) {
 336                                                 $goto_secret= $element;
 337                                                 next;
 338                                 }
 339                                 if ($key =~ /^ldap_cfg$/) {
 340                                                 push (@ldap_options, "$element");
 341                                                 next;
 342                                 }
 343                                 if ($key =~ /^pam_cfg$/) {
 344                                                 push (@pam_options, "$element");
 345                                                 next;
 346                                 }
 347                                 if ($key =~ /^nss_cfg$/) {
 348                                                 push (@nss_options, "$element");
 349                                                 next;
 350                                 }
 351                                 if ($key =~ /^admin_base$/) {
 352                                                 $admin_base= $element;
 353                                                 next;
 354                                 }
 355                                 if ($key =~ /^department$/) {
 356                                                 $department= $element;
 357                                                 next;
 358                                 }
 359                                 if ($key =~ /^unit_tag$/) {
 360                                                 $unit_tag= $element;
 361                                                 next;
 362                                 }
 363                                 if ($key =~ /^release$/) {
 364                                                 $release= $element;
 365                                                 next;
 366                                 }
 367                 }
 368         }
 369
 370         # Unit tagging enabled?
 371         if (defined $unit_tag){
 372                         push (@pam_options, "pam_filter gosaUnitTag=$unit_tag");
 373                         push (@nss_options, "nss_base_passwd  $admin_base?sub?gosaUnitTag=$unit_tag");
 374                         push (@nss_options, "nss_base_group   $admin_base?sub?gosaUnitTag=$unit_tag");
 375         }
 376
 377         # Setup ldap.conf
 378         open($ldap_file, ">","$ldap_config");
 379         print $ldap_file "# This file was automatically generated by gosa-si-client. Do not change.\n";
 380         print $ldap_file "URI";
 381
 382         foreach $element (@ldap_uris) {
 383                 print $ldap_file " $element";
 384         }
 385
 386         print $ldap_file "\nBASE $ldap_base\n";
 387         foreach $element (@ldap_options) {
 388                 print $ldap_file "$element\n";
 389         }
 390
 391         close ($ldap_file);
 392         daemon_log("INFO: Wrote $ldap_config", 5);
 393
 394         # Setup pam_ldap.conf / libnss-ldap.conf
 395         open($pam_file, ">","$pam_config");
 396         open($nss_file, ">","$nss_config");
 397         print $pam_file "# This file was automatically generated by gosa-si-client. Do not change.\n";
 398         print $nss_file "# This file was automatically generated by gosa-si-client. Do not change.\n";
 399         print $pam_file "uri";
 400         print $nss_file "uri";
 401
 402         foreach $element (@ldap_uris) {
 403                 print $pam_file " $element";
 404                 print $nss_file " $element";
 405         }
 406
 407         print $pam_file "\nbase $ldap_base\n";
 408         print $nss_file "\nbase $ldap_base\n";
 409
 410         foreach $element (@pam_options) {
 411                 print $pam_file "$element\n";
 412         }
 413
 414         foreach $element (@nss_options) {
 415                 print $nss_file "$element\n";
 416         }
 417
 418         close ($nss_file);
 419         daemon_log("INFO: Wrote $nss_config", 5);
 420         close ($pam_file);
 421         daemon_log("INFO: Wrote $pam_config", 5);
 422
 423         # Create goto.secrets if told so - for compatibility reasons
 424         if (defined $goto_admin){
 425                 open($goto_file, ">",$goto_secret_config);
 426                 print $goto_file "GOTOADMIN=\"$goto_admin\"\nGOTOSECRET=\"$goto_secret\"\n";
 427                 close($goto_file);
 428                 chown(0,0, $goto_file);
 429                 chmod(0600, $goto_file);
 430                 daemon_log("INFO: Wrote $goto_secret_config", 5);
 431         }
 432
 433         # Write shell based config
 434
 435     # Get first LDAP server
 436     my $ldap_server= $ldap_uris[0];
 437     $ldap_server=~ s/^ldap:\/\/([^:]+).*$/$1/;
 438
 439     open($ldap_shell_file, ">","$ldap_shell_config");
 440     print $ldap_shell_file "LDAP_BASE=\"$ldap_base\"\n";
 441     print $ldap_shell_file "LDAP_SERVER=\"$ldap_server\"\n";
 442     print $ldap_shell_file "LDAP_URIS=\"@ldap_uris\"\n";
 443     print $ldap_shell_file "ADMIN_BASE=\"$admin_base\"\n";
 444     print $ldap_shell_file "DEPARTMENT=\"$department\"\n";
 445     print $ldap_shell_file "RELEASE=\"$release\"\n";
 446     print $ldap_shell_file "UNIT_TAG=\"".(defined $unit_tag ? "$unit_tag" : "")."\"\n";
 447     print $ldap_shell_file "UNIT_TAG_FILTER=\"".(defined $unit_tag ? "(gosaUnitTag=$unit_tag)" : "")."\"\n";
 448     close($ldap_shell_file);
 449
 450                 # Set permissions and ownership structure of
 451                 chown(0, 0, $ldap_shell_file);
 452                 chmod(0644, $ldap_shell_file);
 453
 454     daemon_log("INFO: Wrote $ldap_shell_config", 5);
 455
 456     # Write offline config
 457     if ($offline_enabled){
 458
 459             # Get first LDAP server
 460             open( $ldap_offline_file, ">","$ldap_offline_config");
 461             print $ldap_offline_file "LDAP_BASE=\"$ldap_base\"\n";
 462             print $ldap_offline_file "LDAP_SERVER=\"127.0.0.1\"\n";
 463             print $ldap_offline_file "LDAP_URIS=\"ldap://127.0.0.1\"\n";
 464             print $ldap_offline_file "ADMIN_BASE=\"$admin_base\"\n";
 465             print $ldap_offline_file "DEPARTMENT=\"$department\"\n";
 466             print $ldap_offline_file "RELEASE=\"$release\"\n";
 467             print $ldap_offline_file "UNIT_TAG=\"".(defined $unit_tag ? "$unit_tag" : "")."\"\n";
 468             print $ldap_offline_file "UNIT_TAG_FILTER=\"".(defined $unit_tag ? "(gosaUnitTag=$unit_tag)" : "")."\"\n";
 469             close($ldap_offline_file);
 470
 471                         # Set permissions and ownership structure of
 472                         chown(0, 0, $ldap_offline_file);
 473                         chmod(0644, $ldap_offline_file);
 474
 475             daemon_log("INFO: Wrote $ldap_offline_config", 5);
 476     }
 477
 478
 479
 480     # Allow custom scripts to be executed
 481     if (defined $ldap_config_exit_hook) {
 482         system($ldap_config_exit_hook);
 483         daemon_log("Hook $ldap_config_exit_hook returned with code ".($? >> 8), 5);
 484     }
 485
 486     return;
 487 }
 488
 489
 490 sub new_key {
 491         # Create new key
 492     my $new_server_key = &main::create_passwd();
 493
 494         # Send new_key message to server
 495     my $errSend = &main::send_msg_hash_to_target(
 496                 &main::create_xml_hash("new_key", $main::client_address, $main::server_address, $new_server_key),
 497                 $main::server_address,
 498                 $main::server_key,
 499         );
 500
 501         # Set global key
 502         if (not $errSend) {
 503                 $main::server_key = $new_server_key;
 504         }
 505
 506   return;
 507 }
 508
 509
 510 sub confirm_new_key {
 511     my ($msg, $msg_hash) = @_ ;
 512     my $source = @{$msg_hash->{'source'}}[0];
 513
 514     &main::daemon_log("confirm new key from $source", 5);
 515     return;
 516
 517 }
 518
 519
 520 sub detect_hardware {
 521
 522     &write_to_file('goto-hardware-detection-start', $fai_logpath);
 523
 524         my $hwinfo= `which hwinfo`;
 525         chomp $hwinfo;
 526
 527         if (!(defined($hwinfo) && length($hwinfo) > 0)) {
 528                 &main::daemon_log("ERROR: hwinfo was not found in \$PATH! Hardware detection will not work!", 1);
 529                 return;
 530         }
 531
 532         my $result= {
 533                 gotoHardwareChecksum => &main::generate_hw_digest(),
 534                 macAddress      => $client_mac_address,
 535                 gotoXMonitor    => "",
 536                 gotoXDriver     => "",
 537                 gotoXMouseType  => "",
 538                 gotoXMouseport  => "",
 539                 gotoXkbModel    => "",
 540                 gotoXHsync      => "",
 541                 gotoXVsync      => "",
 542                 gotoXResolution => "",
 543                 ghUsbSupport    => "",
 544                 gotoSndModule   => "",
 545                 ghGfxAdapter    => "",
 546                 ghNetNic        => "",
 547                 ghSoundAdapter  => "",
 548                 ghMemSize       => "",
 549                 ghCpuType       => "",
 550                 gotoModules     => [],
 551                 ghIdeDev        => [],
 552                 ghScsiDev       => [],
 553         };
 554
 555         &main::daemon_log("Starting hardware detection", 4);
 556         my $gfxcard= `$hwinfo --gfxcard`;
 557         my $primary_adapter= $1 if $gfxcard =~ /^Primary display adapter:\s#(\d+)\n/m;
 558         if(defined($primary_adapter)) {
 559                 ($result->{ghGfxAdapter}, $result->{gotoXDriver}) = ($1,$2) if
 560                         $gfxcard =~ /$primary_adapter:.*?Model:\s\"([^\"]*)\".*?Server Module:\s(\w*).*?\n\n/s;
 561         }
 562         my $monitor= `$hwinfo --monitor`;
 563         my $primary_monitor= $1 if $monitor =~ /^(\d*):.*/m;
 564         if(defined($primary_monitor)) {
 565                 ($result->{gotoXMonitor}, $result->{gotoXResolution}, $result->{gotoXVsync}, $result->{gotoXHsync})= ($1,$2,$3,$4) if
 566                 $monitor =~ /$primary_monitor:\s.*?Model:\s\"(.*?)\".*?Max\.\sResolution:\s([0-9x]*).*?Vert\.\sSync\sRange:\s([\d\-]*)\sHz.*?Hor\.\sSync\sRange:\s([\d\-]*)\skHz.*/s;
 567         }
 568
 569         if(length($result->{gotoXHsync}) == 0) {
 570                 # set default values
 571                 $result->{gotoXHsync} = "30+50";
 572                 $result->{gotoXVsync} = "30+90";
 573         }
 574
 575         my $mouse= `$hwinfo --mouse`;
 576         my $primary_mouse= $1 if $mouse =~ /^(\d*):.*/m;
 577         if(defined($primary_mouse)) {
 578                 ($result->{gotoXMouseport}, $result->{gotoXMouseType}) = ($1,$2) if
 579                 $mouse =~ /$primary_mouse:\s.*?Device\sFile:\s(.*?)\s.*?XFree86\sProtocol:\s(.*?)\n.*?/s;
 580         }
 581
 582         my $sound= `$hwinfo --sound`;
 583         my $primary_sound= $1 if $sound =~ /^(\d*):.*/m;
 584         if(defined($primary_sound)) {
 585                 ($result->{ghSoundAdapter}, $result->{gotoSndModule})= ($1,$2) if
 586                 $sound =~ /$primary_sound:\s.*?Model:\s\"(.*?)\".*?Driver\sModules:\s\"(.*?)\".*/s;
 587         }
 588
 589         my $netcard= `hwinfo --netcard`;
 590         my $primary_netcard= $1 if $netcard =~ /^(\d*):.*/m;
 591         if(defined($primary_netcard)) {
 592                 $result->{ghNetNic}= $1 if $netcard =~ /$primary_netcard:\s.*?Model:\s\"(.*?)\".*/s;
 593         }
 594
 595         my $keyboard= `hwinfo --keyboard`;
 596         my $primary_keyboard= $1 if $keyboard =~ /^(\d*):.*/m;
 597         if(defined($primary_keyboard)) {
 598                 $result->{gotoXkbModel}= $1 if $keyboard =~ /$primary_keyboard:\s.*?XkbModel:\s(.*?)\n.*/s;
 599         }
 600
 601         $result->{ghCpuType}= sprintf "%s / %s - %s",
 602         `cat /proc/cpuinfo` =~ /.*?vendor_id\s+:\s(.*?)\n.*?model\sname\s+:\s(.*?)\n.*?cpu\sMHz\s+:\s(.*?)\n.*/s;
 603         $result->{ghMemSize}= $1 if `cat /proc/meminfo` =~ /^MemTotal:\s+(.*?)\skB.*/s;
 604
 605         my @gotoModules=();
 606         for my $line(`lsmod`) {
 607                 if (($line =~ /^Module.*$/) or ($line =~ /^snd.*$/)) {
 608                         next;
 609                 } else {
 610                         push @gotoModules, $1 if $line =~ /^(\w*).*$/
 611                 }
 612         }
 613         my %seen = ();
 614
 615         # Remove duplicates and save
 616         push @{$result->{gotoModules}}, grep { ! $seen{$_} ++ } @gotoModules;
 617
 618         $result->{ghUsbSupport} = (-d "/proc/bus/usb")?"true":"false";
 619
 620         foreach my $device(`hwinfo --ide` =~ /^.*?Model:\s\"(.*?)\".*$/mg) {
 621                 push @{$result->{ghIdeDev}}, $device;
 622         }
 623
 624         foreach my $device(`hwinfo --scsi` =~ /^.*?Model:\s\"(.*?)\".*$/mg) {
 625                 push @{$result->{ghScsiDev}}, $device;
 626         }
 627
 628         &main::daemon_log("Hardware detection done!", 4);
 629
 630     &write_to_file('goto-hardware-detection-stop', $fai_logpath);
 631
 632         &main::send_msg_hash_to_target(
 633         &main::create_xml_hash("detected_hardware", $main::client_address, $main::server_address, $result),
 634         $main::server_address,
 635         $main::server_key,
 636         );
 637
 638         return;
 639 }
 640
 641
 642 sub ping {
 643     my ($msg, $msg_hash) = @_ ;
 644     my $header = @{$msg_hash->{'header'}}[0];
 645     my $source = @{$msg_hash->{'source'}}[0];
 646     my $target = @{$msg_hash->{'target'}}[0];
 647     my $session_id = @{$msg_hash->{'session_id'}}[0];
 648     my $out_msg;
 649     my $out_hash;
 650
 651     # there is no session_id so send 'got_new_ping'-msg
 652     if (not defined $session_id) {
 653         $out_hash = &main::create_xml_hash("got_new_ping", $target, $source);
 654
 655     # there is a session_id so send 'answer_$session_id'-msg because there is
 656     # a process waiting for this message
 657     } else {
 658         $out_hash = &main::create_xml_hash("answer_$session_id", $target, $source);
 659         &add_content2xml_hash($out_hash, "session_id", $session_id);
 660     }
 661
 662     my $forward_to_gosa = @{$msg_hash->{'forward_to_gosa'}}[0];
 663     if (defined $forward_to_gosa) {
 664         &add_content2xml_hash($out_hash, "forward_to_gosa", $forward_to_gosa);
 665     }
 666     $out_msg = &main::create_xml_string($out_hash);
 667     return $out_msg;
 668
 669 }
 670
 671 1;