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 Data::Dumper;
  22                 use Fcntl;
  23                 use GOSA::GosaSupportDaemon;
  24                 use File::Basename;
  25
  26                 my ($ldap_enabled, $offline_enabled, $ldap_config, $pam_config, $nss_config, $fai_logpath);
  27
  28                 my $chrony_file = "/etc/chrony/chrony.conf";
  29                 my $syslog_file = "/etc/syslog.conf";
  30
  31                 my %cfg_defaults = (
  32                         "client" => {
  33                                 "ldap" => [\$ldap_enabled, 1],
  34                                 "offline-ldap" => [\$offline_enabled, 0],
  35                                 "ldap-config" => [\$ldap_config, "/etc/ldap/ldap.conf"],
  36                                 "pam-config" => [\$pam_config, "/etc/pam_ldap.conf"],
  37                                 "nss-config" => [\$nss_config, "/etc/libnss-ldap.conf"],
  38                                 "fai-logpath" => [\$fai_logpath, "/var/log/fai/fai.log"],
  39                         },
  40                 );
  41
  42                 BEGIN {}
  43
  44                 END {}
  45
  46                 ### Start ######################################################################
  47
  48                 &main::read_configfile($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                         my $out_hash = &create_xml_hash("registered", $main::client_address, $main::server_address);
 111                          # Write the MAC address to file
 112                         if(stat($main::opts_file)) {
 113                                         unlink($main::opts_file);
 114                         }
 115
 116                         my $opts_file_FH;
 117                         my $hostname= $main::client_dnsname;
 118                         $hostname =~ s/\..*$//;
 119                         $hostname =~ tr/A-Z/a-z/;
 120                         sysopen($opts_file_FH, $main::opts_file, O_RDWR | O_CREAT | O_TRUNC , 0644);
 121                         print $opts_file_FH "MAC=\"$main::client_mac_address\"\n";
 122                         print $opts_file_FH "IPADDRESS=\"$main::client_ip\"\n";
 123                         print $opts_file_FH "HOSTNAME=\"$hostname\"\n";
 124                         print $opts_file_FH "FQDN=\"$main::client_dnsname\"\n";
 125                         if(defined(@{$msg_hash->{'ldap_available'}}) &&
 126                                            @{$msg_hash->{'ldap_available'}}[0] eq "true") {
 127                                 print $opts_file_FH "LDAP_AVAILABLE=\"true\"\n";
 128                         }
 129                         if(defined(@{$msg_hash->{'error'}})) {
 130                                 my $errormsg= @{$msg_hash->{'error'}}[0];
 131                                 print $opts_file_FH "GOSA_SI_ERROR=\"$errormsg\"\n";
 132                                 &write_to_file($errormsg, $fai_logpath);
 133                         }
 134                         close($opts_file_FH);
 135
 136                         my $out_msg = &create_xml_string($out_hash);
 137                         return $out_msg;
 138                 }
 139
 140                 sub server_leaving {
 141                         my ($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("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("wrote $nss_config", 5);
 395                         close (file1);
 396                         daemon_log("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("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("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("wrote $cfg_name", 5);
 445     }
 446
 447         # Set permissions and ownership structure of
 448         chown(0, 0, $cfg_name);
 449         chmod(0600, $cfg_name);
 450
 451     return;
 452 }
 453
 454
 455 sub new_key {
 456     # my ($msg_hash) = @_ ;
 457     my $new_server_key = &main::create_passwd();
 458
 459     my $out_hash = &create_xml_hash("new_key", $main::client_address, $main::server_address, $new_server_key);
 460     my $out_msg = &create_xml_string($out_hash);
 461
 462     # set global $NEW_KEY_FLAG, gosa-si-client cause a reregistering process if no 'confirm_new_key'-msg
 463     # comes from gosa-si-server within a given time
 464
 465
 466     return $out_msg;
 467 }
 468
 469
 470 sub confirm_new_key {
 471     my ($msg, $msg_hash) = @_ ;
 472     my $header = @{$msg_hash->{'header'}}[0];
 473     my $target = @{$msg_hash->{'target'}}[0];
 474     my $source = @{$msg_hash->{'source'}}[0];
 475
 476     &main::daemon_log("confirm new key from $source", 5);
 477     return;
 478
 479 }
 480
 481
 482 sub detect_hardware {
 483
 484     &write_to_file('goto-hardware-detection-start', $fai_logpath);
 485
 486         my $hwinfo= `which hwinfo`;
 487         chomp $hwinfo;
 488
 489         if (!(defined($hwinfo) && length($hwinfo) > 0)) {
 490                 &main::daemon_log("ERROR: hwinfo was not found in \$PATH! Hardware detection will not work!", 1);
 491                 return;
 492         }
 493
 494         my $result= {
 495                 gotoHardwareChecksum => &main::generate_hw_digest(),
 496                 macAddress      => $client_mac_address,
 497                 gotoXMonitor    => "",
 498                 gotoXDriver     => "",
 499                 gotoXMouseType  => "",
 500                 gotoXMouseport  => "",
 501                 gotoXkbModel    => "",
 502                 gotoXHsync      => "",
 503                 gotoXVsync      => "",
 504                 gotoXResolution => "",
 505                 ghUsbSupport    => "",
 506                 gotoSndModule   => "",
 507                 ghGfxAdapter    => "",
 508                 ghNetNic        => "",
 509                 ghSoundAdapter  => "",
 510                 ghMemSize       => "",
 511                 ghCpuType       => "",
 512                 gotoModules     => [],
 513                 ghIdeDev        => [],
 514                 ghScsiDev       => [],
 515         };
 516
 517         &main::daemon_log("Starting hardware detection", 4);
 518         my $gfxcard= `$hwinfo --gfxcard`;
 519         my $primary_adapter= $1 if $gfxcard =~ /^Primary display adapter:\s#(\d+)\n/m;
 520         if(defined($primary_adapter)) {
 521                 ($result->{ghGfxAdapter}, $result->{gotoXDriver}) = ($1,$2) if
 522                         $gfxcard =~ /$primary_adapter:.*?Model:\s\"([^\"]*)\".*?Server Module:\s(\w*).*?\n\n/s;
 523         }
 524         my $monitor= `$hwinfo --monitor`;
 525         my $primary_monitor= $1 if $monitor =~ /^(\d*):.*/m;
 526         if(defined($primary_monitor)) {
 527                 ($result->{gotoXMonitor}, $result->{gotoXResolution}, $result->{gotoXVsync}, $result->{gotoXHsync})= ($1,$2,$3,$4) if
 528                 $monitor =~ /$primary_monitor:\s.*?Model:\s\"(.*?)\".*?Max\.\sResolution:\s([0-9x]*).*?Vert\.\sSync\sRange:\s([\d\-]*)\sHz.*?Hor\.\sSync\sRange:\s([\d\-]*)\skHz.*/s;
 529         }
 530
 531         if(length($result->{gotoXHsync}) == 0) {
 532                 # set default values
 533                 $result->{gotoXHsync} = "30+50";
 534                 $result->{gotoXVsync} = "30+90";
 535         }
 536
 537         my $mouse= `$hwinfo --mouse`;
 538         my $primary_mouse= $1 if $mouse =~ /^(\d*):.*/m;
 539         if(defined($primary_mouse)) {
 540                 ($result->{gotoXMouseport}, $result->{gotoXMouseType}) = ($1,$2) if
 541                 $mouse =~ /$primary_mouse:\s.*?Device\sFile:\s(.*?)\s.*?XFree86\sProtocol:\s(.*?)\n.*?/s;
 542         }
 543
 544         my $sound= `$hwinfo --sound`;
 545         my $primary_sound= $1 if $sound =~ /^(\d*):.*/m;
 546         if(defined($primary_sound)) {
 547                 ($result->{ghSoundAdapter}, $result->{gotoSndModule})= ($1,$2) if
 548                 $sound =~ /$primary_sound:\s.*?Model:\s\"(.*?)\".*?Driver\sModules:\s\"(.*?)\".*/s;
 549         }
 550
 551         my $netcard= `hwinfo --netcard`;
 552         my $primary_netcard= $1 if $netcard =~ /^(\d*):.*/m;
 553         if(defined($primary_netcard)) {
 554                 $result->{ghNetNic}= $1 if $netcard =~ /$primary_netcard:\s.*?Model:\s\"(.*?)\".*/s;
 555         }
 556
 557         my $keyboard= `hwinfo --keyboard`;
 558         my $primary_keyboard= $1 if $keyboard =~ /^(\d*):.*/m;
 559         if(defined($primary_keyboard)) {
 560                 $result->{gotoXkbModel}= $1 if $keyboard =~ /$primary_keyboard:\s.*?XkbModel:\s(.*?)\n.*/s;
 561         }
 562
 563         $result->{ghCpuType}= sprintf "%s / %s - %s",
 564         `cat /proc/cpuinfo` =~ /.*?vendor_id\s+:\s(.*?)\n.*?model\sname\s+:\s(.*?)\n.*?cpu\sMHz\s+:\s(.*?)\n.*/s;
 565         $result->{ghMemSize}= $1 if `cat /proc/meminfo` =~ /^MemTotal:\s+(.*?)\skB.*/s;
 566
 567         my @gotoModules=();
 568         for my $line(`lsmod`) {
 569                 if (($line =~ /^Module.*$/) or ($line =~ /^snd.*$/)) {
 570                         next;
 571                 } else {
 572                         push @gotoModules, $1 if $line =~ /^(\w*).*$/
 573                 }
 574         }
 575         my %seen = ();
 576
 577         # Remove duplicates and save
 578         push @{$result->{gotoModules}}, grep { ! $seen{$_} ++ } @gotoModules;
 579
 580         $result->{ghUsbSupport} = (-d "/proc/bus/usb")?"true":"false";
 581
 582         foreach my $device(`hwinfo --ide` =~ /^.*?Model:\s\"(.*?)\".*$/mg) {
 583                 push @{$result->{ghIdeDev}}, $device;
 584         }
 585
 586         foreach my $device(`hwinfo --scsi` =~ /^.*?Model:\s\"(.*?)\".*$/mg) {
 587                 push @{$result->{ghScsiDev}}, $device;
 588         }
 589
 590         &main::daemon_log("Hardware detection done!", 4);
 591
 592     &write_to_file('goto-hardware-detection-stop', $fai_logpath);
 593
 594     return &main::send_msg_hash_to_target(
 595                 &main::create_xml_hash("detected_hardware", $main::client_address, $main::server_address, $result),
 596                 $main::server_address,
 597                 $main::server_key,
 598         );
 599 }
 600
 601
 602 sub ping {
 603     my ($msg, $msg_hash) = @_ ;
 604     my $header = @{$msg_hash->{'header'}}[0];
 605     my $source = @{$msg_hash->{'source'}}[0];
 606     my $target = @{$msg_hash->{'target'}}[0];
 607     my $session_id = @{$msg_hash->{'session_id'}}[0];
 608     my $out_msg;
 609     my $out_hash;
 610
 611     # there is no session_id so send 'got_new_ping'-msg
 612     if (not defined $session_id) {
 613         $out_hash = &main::create_xml_hash("got_new_ping", $target, $source);
 614
 615     # there is a session_id so send 'answer_$session_id'-msg because there is
 616     # a process waiting for this message
 617     } else {
 618         $out_hash = &main::create_xml_hash("answer_$session_id", $target, $source);
 619         &add_content2xml_hash($out_hash, "session_id", $session_id);
 620     }
 621
 622     my $forward_to_gosa = @{$msg_hash->{'forward_to_gosa'}}[0];
 623     if (defined $forward_to_gosa) {
 624         &add_content2xml_hash($out_hash, "forward_to_gosa", $forward_to_gosa);
 625     }
 626     $out_msg = &main::create_xml_string($out_hash);
 627     return $out_msg;
 628
 629 }
 630
 631 1;