gosa-si/modules/ClientPackages.pm

   1 package ClientPackages;
   2
   3 use Exporter;
   4 @ISA = ("Exporter");
   5
   6 # Each module has to have a function 'process_incoming_msg'. This function works as a interface to gosa-sd and receives the msg hash from gosa-sd. 'process_incoming_function checks, wether it has a function to process the incoming msg and forward the msg to it.
   7
   8 use strict;
   9 use warnings;
  10 use GOSA::GosaSupportDaemon;
  11 use IO::Socket::INET;
  12 use XML::Simple;
  13 use Data::Dumper;
  14 use NetAddr::IP;
  15 use Net::LDAP;
  16 use Net::LDAP::Util;
  17 use Socket;
  18 use Net::hostent;
  19
  20 my $event_dir = "/usr/lib/gosa-si/server/ClientPackages";
  21 use lib "/usr/lib/gosa-si/server/ClientPackages";
  22
  23 BEGIN{}
  24 END {}
  25
  26 my ($server_ip, $server_port, $ClientPackages_key, $max_clients, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password, $server_interface);
  27 #my ($bus_activ, $bus_key, $bus_ip, $bus_port);
  28 my $server;
  29 my $network_interface;
  30 #my $no_bus;
  31 my (@ldap_cfg, @pam_cfg, @nss_cfg, $goto_admin, $goto_secret);
  32 my $mesg;
  33
  34 my %cfg_defaults = (
  35 "server" => {
  36     "ip" => [\$server_ip, "0.0.0.0"],
  37     "mac-address" => [\$main::server_mac_address, "00:00:00:00:00"],
  38     "port" => [\$server_port, "20081"],
  39     "ldap-uri" => [\$ldap_uri, ""],
  40     "ldap-base" => [\$ldap_base, ""],
  41     "ldap-admin-dn" => [\$ldap_admin_dn, ""],
  42     "ldap-admin-password" => [\$ldap_admin_password, ""],
  43     "max-clients" => [\$max_clients, 100],
  44     },
  45 "ClientPackages" => {
  46     "key" => [\$ClientPackages_key, ""],
  47     },
  48 );
  49
  50 ### START #####################################################################
  51
  52 # read configfile and import variables
  53 &local_read_configfile();
  54
  55
  56 # if server_ip is not an ip address but a name
  57 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
  58 $network_interface= &get_interface_for_ip($server_ip);
  59 $main::server_mac_address= &get_mac($network_interface);
  60
  61
  62 # import local events
  63 my ($error, $result, $event_hash) = &import_events($event_dir);
  64
  65 foreach my $log_line (@$result) {
  66     if ($log_line =~ / succeed: /) {
  67         &main::daemon_log("0 DEBUG: ClientPackages - $log_line", 7);
  68     } else {
  69         &main::daemon_log("0 ERROR: ClientPackages - $log_line", 1);
  70     }
  71 }
  72
  73 # Unit tag can be defined in config
  74 if((not defined($main::gosa_unit_tag)) || length($main::gosa_unit_tag) == 0) {
  75         # Read gosaUnitTag from LDAP
  76
  77     my $ldap_handle = &main::get_ldap_handle();
  78     if( defined($ldap_handle) ) {
  79                 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with mac address $main::server_mac_address",5);
  80                 # Perform search for Unit Tag
  81                 $mesg = $ldap_handle->search(
  82                         base   => $ldap_base,
  83                         scope  => 'sub',
  84                         attrs  => ['gosaUnitTag'],
  85                         filter => "(macaddress=$main::server_mac_address)"
  86                 );
  87
  88                 if ((! $main::server_mac_address eq "00:00:00:00:00:00") and $mesg->count == 1) {
  89                         my $entry= $mesg->entry(0);
  90                         my $unit_tag= $entry->get_value("gosaUnitTag");
  91                         $main::ldap_server_dn= $mesg->entry(0)->dn;
  92                         if(defined($unit_tag) && length($unit_tag) > 0) {
  93                                 &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
  94                                 $main::gosa_unit_tag= $unit_tag;
  95                         }
  96                 } else {
  97                         # Perform another search for Unit Tag
  98                         my $hostname= `hostname -f`;
  99                         chomp($hostname);
 100                         &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
 101                         $mesg = $ldap_handle->search(
 102                                 base   => $ldap_base,
 103                                 scope  => 'sub',
 104                                 attrs  => ['gosaUnitTag'],
 105                                 filter => "(&(cn=$hostname)(objectClass=goServer))"
 106                         );
 107                         if ($mesg->count == 1) {
 108                                 my $entry= $mesg->entry(0);
 109                                 my $unit_tag= $entry->get_value("gosaUnitTag");
 110                                 $main::ldap_server_dn= $mesg->entry(0)->dn;
 111                                 if(defined($unit_tag) && length($unit_tag) > 0) {
 112                                         &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
 113                                         $main::gosa_unit_tag= $unit_tag;
 114                                 }
 115                         } else {
 116                                 # Perform another search for Unit Tag
 117                                 $hostname= `hostname -s`;
 118                                 chomp($hostname);
 119                                 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
 120                                 $mesg = $ldap_handle->search(
 121                                         base   => $ldap_base,
 122                                         scope  => 'sub',
 123                                         attrs  => ['gosaUnitTag'],
 124                                         filter => "(&(cn=$hostname)(objectClass=goServer))"
 125                                 );
 126                                 if ($mesg->count == 1) {
 127                                         my $entry= $mesg->entry(0);
 128                                         my $unit_tag= $entry->get_value("gosaUnitTag");
 129                                         $main::ldap_server_dn= $mesg->entry(0)->dn;
 130                                         if(defined($unit_tag) && length($unit_tag) > 0) {
 131                                                 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
 132                                                 $main::gosa_unit_tag= $unit_tag;
 133                                         }
 134                                 } else {
 135                                         &main::daemon_log("0 WARNING: No gosaUnitTag detected. Not using gosaUnitTag", 3);
 136                                 }
 137                         }
 138                 }
 139         } else {
 140                 &main::daemon_log("0 INFO: Using gosaUnitTag from config-file: $main::gosa_unit_tag",5);
 141         }
 142 }
 143
 144
 145 my $server_address = "$server_ip:$server_port";
 146 $main::server_address = $server_address;
 147
 148
 149 ### functions #################################################################
 150
 151
 152 sub get_module_info {
 153     my @info = ($server_address,
 154                 $ClientPackages_key,
 155                 $event_hash,
 156                 );
 157     return \@info;
 158 }
 159
 160
 161 #===  FUNCTION  ================================================================
 162 #         NAME:  local_read_configfile
 163 #   PARAMETERS:  cfg_file - string -
 164 #      RETURNS:  nothing
 165 #  DESCRIPTION:  read cfg_file and set variables
 166 #===============================================================================
 167 sub local_read_configfile {
 168     my $cfg;
 169     if( defined( $main::cfg_file) && ( (-s $main::cfg_file) > 0 )) {
 170         if( -r $main::cfg_file ) {
 171             $cfg = Config::IniFiles->new( -file => $main::cfg_file );
 172         } else {
 173             print STDERR "Couldn't read config file!";
 174         }
 175     } else {
 176         $cfg = Config::IniFiles->new() ;
 177     }
 178     foreach my $section (keys %cfg_defaults) {
 179         foreach my $param (keys %{$cfg_defaults{ $section }}) {
 180             my $pinfo = $cfg_defaults{ $section }{ $param };
 181             ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
 182         }
 183     }
 184
 185     # Read non predefined sections
 186     my $param;
 187     if ($cfg->SectionExists('ldap')){
 188                 foreach $param ($cfg->Parameters('ldap')){
 189                         push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
 190                 }
 191     }
 192     if ($cfg->SectionExists('pam_ldap')){
 193                 foreach $param ($cfg->Parameters('pam_ldap')){
 194                         push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
 195                 }
 196     }
 197     if ($cfg->SectionExists('nss_ldap')){
 198                 foreach $param ($cfg->Parameters('nss_ldap')){
 199                         push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
 200                 }
 201     }
 202     if ($cfg->SectionExists('goto')){
 203         $goto_admin= $cfg->val('goto', 'terminal_admin');
 204         $goto_secret= $cfg->val('goto', 'terminal_secret');
 205     } else {
 206         $goto_admin= undef;
 207         $goto_secret= undef;
 208     }
 209
 210 }
 211
 212
 213 #===  FUNCTION  ================================================================
 214 #         NAME:  get_mac
 215 #   PARAMETERS:  interface name (i.e. eth0)
 216 #      RETURNS:  (mac address)
 217 #  DESCRIPTION:  Uses ioctl to get mac address directly from system.
 218 #===============================================================================
 219 sub get_mac {
 220         my $ifreq= shift;
 221         my $result;
 222         if ($ifreq && length($ifreq) > 0) {
 223                 if($ifreq eq "all") {
 224                         $result = "00:00:00:00:00:00";
 225                 } else {
 226                         my $SIOCGIFHWADDR= 0x8927;     # man 2 ioctl_list
 227
 228                         # A configured MAC Address should always override a guessed value
 229                         if ($main::server_mac_address and length($main::server_mac_address) > 0) {
 230                                 $result= $main::server_mac_address;
 231                         }
 232
 233                         socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
 234                                 or die "socket: $!";
 235
 236                         if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
 237                                 my ($if, $mac)= unpack 'h36 H12', $ifreq;
 238
 239                                 if (length($mac) > 0) {
 240                                         $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
 241                                         $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
 242                                         $result = $mac;
 243                                 }
 244                         }
 245                 }
 246         }
 247         return $result;
 248 }
 249
 250
 251 #===  FUNCTION  ================================================================
 252 #         NAME:  process_incoming_msg
 253 #   PARAMETERS:  crypted_msg - string - incoming crypted message
 254 #      RETURNS:  nothing
 255 #  DESCRIPTION:  handels the proceeded distribution to the appropriated functions
 256 #===============================================================================
 257 sub process_incoming_msg {
 258     my ($msg, $msg_hash, $session_id) = @_ ;
 259     my $error = 0;
 260     my $host_name;
 261     my $host_key;
 262     my @out_msg_l = ("nohandler");
 263     my $sql_events;
 264
 265     # process incoming msg
 266     my $header = @{$msg_hash->{header}}[0];
 267     my $source = @{$msg_hash->{source}}[0];
 268     my @target_l = @{$msg_hash->{target}};
 269
 270     # skip PREFIX
 271     $header =~ s/^CLMSG_//;
 272
 273     &main::daemon_log("$session_id DEBUG: ClientPackages: msg to process: $header", 7);
 274
 275     if( 0 == length @target_l){
 276         &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
 277         $error++;
 278     }
 279
 280     if( 1 == length @target_l) {
 281         my $target = $target_l[0];
 282                 if(&server_matches($target)) {
 283             if ($header eq 'new_key') {
 284                 @out_msg_l = &new_key($msg_hash)
 285             } elsif ($header eq 'here_i_am') {
 286                 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id)
 287             } else {
 288                 # a event exists with the header as name
 289                 if( exists $event_hash->{$header} ) {
 290                     &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
 291                     no strict 'refs';
 292                     @out_msg_l = &{$event_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
 293
 294                 # if no event handler is implemented
 295                 } else {
 296                     $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$source') OR (hostname='$source') )";
 297                     my $res = $main::known_clients_db->select_dbentry( $sql_events );
 298                     my $l = keys(%$res);
 299
 300                     # set error if no or more than 1 hits are found for sql query
 301                     if ( $l != 1) {
 302                         @out_msg_l = ('knownclienterror');
 303
 304                     # found exact 1 hit in db
 305                     } else {
 306                         my $client_events = $res->{'1'}->{'events'};
 307
 308                         # client is registered for this event, deliver this message to client
 309                         $header =~ s/^answer_//;
 310                         if ($client_events =~ /,$header,/) {
 311                             # answer message finally arrived destination server, so forward messages to GOsa
 312                             if ($target eq $main::server_address) {
 313                                 $msg =~ s/<header>answer_/<header>/;
 314                                 $msg =~ s/<target>\S+<\/target>/<target>GOSA<\/target>/;
 315                             }
 316                             @out_msg_l = ( $msg );
 317
 318                         # client is not registered for this event, set error
 319                         } else {
 320                             @out_msg_l = ('noeventerror');
 321                         }
 322                     }
 323                 }
 324             }
 325
 326             # if delivery not possible raise error and return
 327             if( not defined $out_msg_l[0] ) {
 328                 @out_msg_l = ();
 329             } elsif( $out_msg_l[0] eq 'nohandler') {
 330                 &main::daemon_log("$session_id ERROR: ClientPackages: no event handler or core function defined for '$header'", 1);
 331                 @out_msg_l = ();
 332             }  elsif ($out_msg_l[0] eq 'knownclienterror') {
 333                 &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
 334                 &main::daemon_log("$session_id ERROR: processing is aborted and message will not be forwarded", 1);
 335                 @out_msg_l = ();
 336             } elsif ($out_msg_l[0] eq 'noeventerror') {
 337                 &main::daemon_log("$session_id ERROR: client '$target' is not registered for event '$header', processing is aborted", 1);
 338                 @out_msg_l = ();
 339             }
 340
 341
 342
 343
 344         }
 345                 else {
 346                         &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
 347                         push(@out_msg_l, $msg);
 348                 }
 349     }
 350
 351     return \@out_msg_l;
 352 }
 353
 354
 355 #===  FUNCTION  ================================================================
 356 #         NAME:  new_passwd
 357 #   PARAMETERS:  msg_hash - ref - hash from function create_xml_hash
 358 #      RETURNS:  nothing
 359 #  DESCRIPTION:  process this incoming message
 360 #===============================================================================
 361 sub new_key {
 362     my ($msg_hash) = @_;
 363     my @out_msg_l;
 364
 365     my $header = @{$msg_hash->{header}}[0];
 366     my $source_name = @{$msg_hash->{source}}[0];
 367     my $source_key = @{$msg_hash->{new_key}}[0];
 368     my $query_res;
 369
 370     # check known_clients_db
 371     my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
 372     $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
 373     if( 1 == keys %{$query_res} ) {
 374         my $act_time = &get_time;
 375         my $sql_statement= "UPDATE known_clients ".
 376             "SET hostkey='$source_key', timestamp='$act_time' ".
 377             "WHERE hostname='$source_name'";
 378         my $res = $main::known_clients_db->update_dbentry( $sql_statement );
 379         my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
 380         my $out_msg = &create_xml_string($hash);
 381         push(@out_msg_l, $out_msg);
 382     }
 383
 384     # only do if host still not found
 385     if( 0 == @out_msg_l ) {
 386         # check known_server_db
 387         $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
 388         $query_res = $main::known_server_db->select_dbentry( $sql_statement );
 389         if( 1 == keys %{$query_res} ) {
 390             my $act_time = &get_time;
 391             my $sql_statement= "UPDATE known_server ".
 392                 "SET hostkey='$source_key', timestamp='$act_time' ".
 393                 "WHERE hostname='$source_name'";
 394             my $res = $main::known_server_db->update_dbentry( $sql_statement );
 395
 396             my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
 397             my $out_msg = &create_xml_string($hash);
 398             push(@out_msg_l, $out_msg);
 399         }
 400     }
 401
 402     return @out_msg_l;
 403 }
 404
 405
 406 #===  FUNCTION  ================================================================
 407 #         NAME:  here_i_am
 408 #   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
 409 #      RETURNS:  nothing
 410 #  DESCRIPTION:  process this incoming message
 411 #===============================================================================
 412 sub here_i_am {
 413     my ($msg, $msg_hash, $session_id) = @_;
 414     my @out_msg_l;
 415     my $out_hash;
 416     my $source = @{$msg_hash->{source}}[0];
 417     my $mac_address = @{$msg_hash->{mac_address}}[0];
 418         my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
 419     my $client_status = @{$msg_hash->{client_status}}[0];
 420     my $client_revision = @{$msg_hash->{client_revision}}[0];
 421     my $key_lifetime = @{$msg_hash->{key_lifetime}}[0];
 422
 423     # Move forced hostname to heap - if used
 424     #FIXME: move to some global POE namespace - please
 425     if ( defined($msg_hash->{'force-hostname'}[0]) &&
 426        length($msg_hash->{'force-hostname'}[0]) > 0){
 427     #      $heap->{force-hostname}->{$mac_address}= $msg_hash->{'force-hostname'}[0];
 428             open (TFILE, ">/var/tmp/$mac_address");
 429             print TFILE $msg_hash->{'force-hostname'}[0];
 430             close (TFILE);
 431     } else {
 432     #      $heap->{force-hostname}->{$mac_address}= undef;
 433         if ( -e "/var/tmp/$mac_address") {
 434                 unlink("/var/tmp/$mac_address")
 435         };
 436     }
 437
 438     # number of known clients
 439     my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
 440
 441     # check wether client address or mac address is already known
 442     my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
 443     my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
 444
 445     if ( 1 == keys %{$db_res} ) {
 446         &main::daemon_log("$session_id WARNING: $source is already known as a client", 1);
 447         &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 1);
 448         $nu_clients --;
 449     }
 450
 451     # number of actual activ clients
 452     my $act_nu_clients = $nu_clients;
 453
 454     &main::daemon_log("$session_id INFO: number of actual activ clients: $act_nu_clients", 5);
 455     &main::daemon_log("$session_id INFO: number of maximal allowed clients: $max_clients", 5);
 456
 457     if($max_clients <= $act_nu_clients) {
 458         my $out_hash = &create_xml_hash("denied", $server_address, $source);
 459         &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
 460         my $passwd = @{$msg_hash->{new_passwd}}[0];
 461         &send_msg_hash2address($out_hash, $source, $passwd);
 462         return;
 463     }
 464
 465     # new client accepted
 466     my $new_passwd = @{$msg_hash->{new_passwd}}[0];
 467
 468     # add entry to known_clients_db
 469     my $events = @{$msg_hash->{events}}[0];
 470     my $act_timestamp = &get_time;
 471     my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
 472                                                 primkey=>['hostname'],
 473                                                 hostname=>$source,
 474                                                 events=>$events,
 475                                                 macaddress=>$mac_address,
 476                                                 status=>'registered',
 477                                                 hostkey=>$new_passwd,
 478                                                 timestamp=>$act_timestamp,
 479                                                 keylifetime=>$key_lifetime,
 480                                                 } );
 481
 482     if ($res != 0)  {
 483         &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res");
 484         return;
 485     }
 486
 487     # return acknowledgement to client
 488     $out_hash = &create_xml_hash("registered", $server_address, $source);
 489
 490
 491     # give the new client his ldap config
 492     # Workaround: Send within the registration response, if the client will get an ldap config later
 493         my $new_ldap_config_out = &new_ldap_config($source, $session_id);
 494         if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
 495                 &add_content2xml_hash($out_hash, "ldap_available", "true");
 496         } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
 497                 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
 498
 499                 my $sql_statement = "UPDATE $main::job_queue_tn ".
 500                 "SET status='error', result='$new_ldap_config_out' ".
 501                 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
 502                 my $res = $main::job_db->update_dbentry($sql_statement);
 503                 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);
 504         }
 505     my $register_out = &create_xml_string($out_hash);
 506     push(@out_msg_l, $register_out);
 507
 508     # Really send the ldap config
 509     if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
 510             push(@out_msg_l, $new_ldap_config_out);
 511     }
 512
 513     # Send client hardware configuration
 514         my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
 515         if( $hardware_config_out ) {
 516                 push(@out_msg_l, $hardware_config_out);
 517         }
 518
 519     # Send client ntp server
 520     my $ntp_config_out = &new_ntp_config($mac_address, $session_id);
 521     if ($ntp_config_out) {
 522         push(@out_msg_l, $ntp_config_out);
 523     }
 524
 525     # Send client syslog server
 526     my $syslog_config_out = &new_syslog_config($mac_address, $session_id);
 527     if ($syslog_config_out) {
 528         push(@out_msg_l, $syslog_config_out);
 529     }
 530
 531     # notify registered client to all other server
 532     my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
 533     my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
 534     push(@out_msg_l, $mymsg);
 535
 536     &main::daemon_log("$session_id INFO: register client $source ($mac_address)", 5);
 537     &main::daemon_log("$session_id INFO: client version: $client_status - $client_revision", 5);
 538     return @out_msg_l;
 539 }
 540
 541
 542 #===  FUNCTION  ================================================================
 543 #         NAME:  who_has
 544 #   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
 545 #      RETURNS:  nothing
 546 #  DESCRIPTION:  process this incoming message
 547 #===============================================================================
 548 sub who_has {
 549     my ($msg_hash) = @_ ;
 550     my @out_msg_l;
 551
 552     # what is your search pattern
 553     my $search_pattern = @{$msg_hash->{who_has}}[0];
 554     my $search_element = @{$msg_hash->{$search_pattern}}[0];
 555     &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
 556
 557     # scanning known_clients for search_pattern
 558     my @host_addresses = keys %$main::known_clients;
 559     my $known_clients_entries = length @host_addresses;
 560     my $host_address;
 561     foreach my $host (@host_addresses) {
 562         my $client_element = $main::known_clients->{$host}->{$search_pattern};
 563         if ($search_element eq $client_element) {
 564             $host_address = $host;
 565             last;
 566         }
 567     }
 568
 569     # search was successful
 570     if (defined $host_address) {
 571         my $source = @{$msg_hash->{source}}[0];
 572         my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
 573         &add_content2xml_hash($out_hash, "mac_address", $search_element);
 574         my $out_msg = &create_xml_string($out_hash);
 575         push(@out_msg_l, $out_msg);
 576     }
 577     return @out_msg_l;
 578 }
 579
 580
 581 sub who_has_i_do {
 582     my ($msg_hash) = @_ ;
 583     my $header = @{$msg_hash->{header}}[0];
 584     my $source = @{$msg_hash->{source}}[0];
 585     my $search_param = @{$msg_hash->{$header}}[0];
 586     my $search_value = @{$msg_hash->{$search_param}}[0];
 587     print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
 588 }
 589
 590
 591 sub new_syslog_config {
 592     my ($mac_address, $session_id) = @_;
 593     my $syslog_msg;
 594
 595         # Build LDAP connection
 596     my $ldap_handle = &main::get_ldap_handle($session_id);
 597         if( not defined $ldap_handle ) {
 598                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
 599                 return;
 600         }
 601
 602         # Perform search
 603     my $ldap_res = $ldap_handle->search( base   => $ldap_base,
 604                 scope  => 'sub',
 605                 attrs => ['gotoSyslogServer'],
 606                 filter => "(&(objectClass=GOhard)(macaddress=$mac_address))");
 607         if($ldap_res->code) {
 608                 &main::daemon_log("$session_id ".$ldap_res->error, 1);
 609                 return;
 610         }
 611
 612         # Sanity check
 613         if ($ldap_res->count != 1) {
 614                 &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
 615                 "\n\tbase: $ldap_base".
 616                 "\n\tscope: sub".
 617                 "\n\tattrs: gotoSyslogServer".
 618                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$mac_address))", 1);
 619                 return;
 620         }
 621
 622         my $entry= $ldap_res->entry(0);
 623     my $dn = &Net::LDAP::Util::escape_dn_value($entry->dn);
 624         my $syslog_server = $entry->get_value("gotoSyslogServer");
 625
 626     # If no syslog server is specified at host, just have a look at the object group of the host
 627     # Perform object group search
 628     if (not defined $syslog_server) {
 629         my $ldap_res = $ldap_handle->search( base   => $ldap_base,
 630                 scope  => 'sub',
 631                 attrs => ['gotoSyslogServer'],
 632                 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
 633         if($ldap_res->code) {
 634             &main::daemon_log("$session_id ".$ldap_res->error, 1);
 635             return;
 636         }
 637
 638         # Sanity check
 639         if ($ldap_res->count != 1) {
 640             &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
 641                     "\n\tbase: $ldap_base".
 642                     "\n\tscope: sub".
 643                     "\n\tattrs: gotoSyslogServer".
 644                     "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$dn))", 1);
 645             return;
 646         }
 647
 648         my $entry= $ldap_res->entry(0);
 649         $syslog_server= $entry->get_value("gotoSyslogServer");
 650     }
 651
 652     # Return if no syslog server specified
 653     if (not defined $syslog_server) {
 654         &main::daemon_log("$session_id WARNING: no syslog server specified for this host '$mac_address'", 3);
 655         return;
 656     }
 657
 658     # Add syslog server to 'syslog_config' message
 659     my $syslog_msg_hash = &create_xml_hash("new_syslog_config", $server_address, $mac_address);
 660     &add_content2xml_hash($syslog_msg_hash, "server", $syslog_server);
 661
 662     return &create_xml_string($syslog_msg_hash);
 663 }
 664
 665
 666 sub new_ntp_config {
 667     my ($address, $session_id) = @_;
 668     my $ntp_msg;
 669
 670         # Build LDAP connection
 671     my $ldap_handle = &main::get_ldap_handle($session_id);
 672         if( not defined $ldap_handle ) {
 673                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
 674                 return;
 675         }
 676
 677         # Perform search
 678     my $ldap_res = $ldap_handle->search( base   => $ldap_base,
 679                 scope  => 'sub',
 680                 attrs => ['gotoNtpServer'],
 681                 filter => "(&(objectClass=GOhard)(macaddress=$address))");
 682         if($ldap_res->code) {
 683                 &main::daemon_log("$session_id ".$ldap_res->error, 1);
 684                 return;
 685         }
 686
 687         # Sanity check
 688         if ($ldap_res->count != 1) {
 689                 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
 690                 "\n\tbase: $ldap_base".
 691                 "\n\tscope: sub".
 692                 "\n\tattrs: gotoNtpServer".
 693                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$address))", 1);
 694                 return;
 695         }
 696
 697         my $entry= $ldap_res->entry(0);
 698     my $dn = &Net::LDAP::Util::escape_dn_value($entry->dn);
 699         my @ntp_servers= $entry->get_value("gotoNtpServer");
 700
 701     # If no ntp server is specified at host, just have a look at the object group of the host
 702     # Perform object group search
 703     if ((not @ntp_servers) || (@ntp_servers == 0)) {
 704         my $ldap_res = $ldap_handle->search( base   => $ldap_base,
 705                 scope  => 'sub',
 706                 attrs => ['gotoNtpServer'],
 707                 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
 708         if($ldap_res->code) {
 709             &main::daemon_log("$session_id ".$ldap_res->error, 1);
 710             return;
 711         }
 712
 713         # Sanity check
 714         if ($ldap_res->count != 1) {
 715             &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
 716                     "\n\tbase: $ldap_base".
 717                     "\n\tscope: sub".
 718                     "\n\tattrs: gotoNtpServer".
 719                     "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$dn))", 1);
 720             return;
 721         }
 722
 723         my $entry= $ldap_res->entry(0);
 724         @ntp_servers= $entry->get_value("gotoNtpServer");
 725     }
 726
 727     # Return if no ntp server specified
 728     if ((not @ntp_servers) || (@ntp_servers == 0)) {
 729         &main::daemon_log("$session_id WARNING: no ntp server specified for this host '$address'", 3);
 730         return;
 731     }
 732
 733     # Add each ntp server to 'ntp_config' message
 734     my $ntp_msg_hash = &create_xml_hash("new_ntp_config", $server_address, $address);
 735     foreach my $ntp_server (@ntp_servers) {
 736         &add_content2xml_hash($ntp_msg_hash, "server", $ntp_server);
 737     }
 738
 739     return &create_xml_string($ntp_msg_hash);
 740 }
 741
 742
 743 #===  FUNCTION  ================================================================
 744 #         NAME:  new_ldap_config
 745 #   PARAMETERS:  address - string - ip address and port of a host
 746 #      RETURNS:  gosa-si conform message
 747 #  DESCRIPTION:  send to address the ldap configuration found for dn gotoLdapServer
 748 #===============================================================================
 749 sub new_ldap_config {
 750         my ($address, $session_id) = @_ ;
 751
 752         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
 753         my $res = $main::known_clients_db->select_dbentry( $sql_statement );
 754
 755         # check hit
 756         my $hit_counter = keys %{$res};
 757         if( not $hit_counter == 1 ) {
 758                 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query '$sql_statement'", 1);
 759         }
 760
 761     $address = $res->{1}->{hostname};
 762         my $macaddress = $res->{1}->{macaddress};
 763         my $hostkey = $res->{1}->{hostkey};
 764
 765         if (not defined $macaddress) {
 766                 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
 767                 return;
 768         }
 769
 770         # Build LDAP connection
 771     my $ldap_handle = &main::get_ldap_handle($session_id);
 772         if( not defined $ldap_handle ) {
 773                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
 774                 return;
 775         }
 776
 777         # Perform search
 778     $mesg = $ldap_handle->search( base   => $ldap_base,
 779                 scope  => 'sub',
 780                 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
 781                 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
 782         if($mesg->code) {
 783                 &main::daemon_log("$session_id ".$mesg->error, 1);
 784                 return;
 785         }
 786
 787         # Sanity check
 788         if ($mesg->count != 1) {
 789                 &main::daemon_log("$session_id WARNING: client with mac address $macaddress not found/unique/active - not sending ldap config".
 790                 "\n\tbase: $ldap_base".
 791                 "\n\tscope: sub".
 792                 "\n\tattrs: dn, gotoLdapServer".
 793                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
 794                 return;
 795         }
 796
 797         my $entry= $mesg->entry(0);
 798         my $dn= $entry->dn;
 799         my @servers= $entry->get_value("gotoLdapServer");
 800         my $unit_tag= $entry->get_value("gosaUnitTag");
 801         my @ldap_uris;
 802         my $server;
 803         my $base;
 804         my $release;
 805
 806         # Fill release if available
 807         my $FAIclass= $entry->get_value("FAIclass");
 808         if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
 809                 $release= $1;
 810         }
 811
 812         # Do we need to look at an object class?
 813         if (not @servers){
 814           my $escaped_dn = &Net::LDAP::Util::escape_dn_value($dn);
 815                 $mesg = $ldap_handle->search( base   => $ldap_base,
 816                         scope  => 'sub',
 817                         attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
 818                         filter => "(&(objectClass=gosaGroupOfNames)(member=$escaped_dn))");
 819                 if($mesg->code) {
 820                         &main::daemon_log("$session_id ERROR: unable to search for '(&(objectClass=gosaGroupOfNames)(member=$dn))': ".$mesg->error, 1);
 821                         return;
 822                 }
 823
 824                 # Sanity check
 825         if ($mesg->count != 1) {
 826             &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
 827                     "\n\tbase: $ldap_base".
 828                     "\n\tscope: sub".
 829                     "\n\tattrs: dn, gotoLdapServer, FAIclass".
 830                     "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$escaped_dn))", 1);
 831             return;
 832         }
 833
 834                 $entry= $mesg->entry(0);
 835                 $dn= $entry->dn;
 836                 @servers= $entry->get_value("gotoLdapServer");
 837
 838                 if (not defined $release){
 839                         $FAIclass= $entry->get_value("FAIclass");
 840                         if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
 841                                 $release= $1;
 842                         }
 843                 }
 844         }
 845
 846         @servers= sort (@servers);
 847
 848     # complain if no ldap information found
 849     if (@servers == 0) {
 850         &main::daemon_log("$session_id ERROR: no gotoLdapServer information for LDAP entry '$dn'", 1);
 851     }
 852
 853         foreach $server (@servers){
 854                 # Conversation for backward compatibility
 855                 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
 856                     if ($server =~ /^([^:]+):([^:]+)$/ ) {
 857                       $server= "1:dummy:ldap://$1/$2";
 858                     } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
 859                       $server= "$1:dummy:ldap://$2/$3";
 860                     }
 861                 }
 862
 863                 $base= $server;
 864                 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
 865                 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
 866                 push (@ldap_uris, $server);
 867         }
 868
 869         # Assemble data package
 870         my %data = ( 'ldap_uri'  => \@ldap_uris, 'ldap_base' => $base,
 871                 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
 872         if (defined $release){
 873                 $data{'release'}= $release;
 874         }
 875
 876         # Need to append GOto settings?
 877         if (defined $goto_admin and defined $goto_secret){
 878                 $data{'goto_admin'}= $goto_admin;
 879                 $data{'goto_secret'}= $goto_secret;
 880         }
 881
 882         # Append unit tag if needed
 883         if (defined $unit_tag){
 884
 885                 # Find admin base and department name
 886                 $mesg = $ldap_handle->search( base   => $ldap_base,
 887                         scope  => 'sub',
 888                         attrs => ['dn', 'ou'],
 889                         filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
 890                 #$mesg->code && die $mesg->error;
 891                 if($mesg->code) {
 892                         &main::daemon_log($mesg->error, 1);
 893                         return "error-unit-tag-count-0";
 894                 }
 895
 896                 # Sanity check
 897                 if ($mesg->count != 1) {
 898                         &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
 899                         return "error-unit-tag-count-".$mesg->count;
 900                 }
 901
 902                 $entry= $mesg->entry(0);
 903                 $data{'admin_base'}= $entry->dn;
 904                 $data{'department'}= $entry->get_value("ou");
 905
 906                 # Append unit Tag
 907                 $data{'unit_tag'}= $unit_tag;
 908         }
 909
 910         # Send information
 911         return &build_msg("new_ldap_config", $server_address, $address, \%data);
 912 }
 913
 914
 915 #===  FUNCTION  ================================================================
 916 #         NAME:  hardware_config
 917 #   PARAMETERS:  address - string - ip address and port of a host
 918 #      RETURNS:
 919 #  DESCRIPTION:
 920 #===============================================================================
 921 sub hardware_config {
 922         my ($msg, $msg_hash, $session_id) = @_ ;
 923         my $address = @{$msg_hash->{source}}[0];
 924         my $header = @{$msg_hash->{header}}[0];
 925         my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
 926
 927         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
 928         my $res = $main::known_clients_db->select_dbentry( $sql_statement );
 929
 930         # check hit
 931         my $hit_counter = keys %{$res};
 932         if( not $hit_counter == 1 ) {
 933                 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
 934         }
 935         my $macaddress = $res->{1}->{macaddress};
 936         my $hostkey = $res->{1}->{hostkey};
 937
 938         if (not defined $macaddress) {
 939                 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
 940                 return;
 941         }
 942
 943         # Build LDAP connection
 944     my $ldap_handle = &main::get_ldap_handle($session_id);
 945         if( not defined $ldap_handle ) {
 946                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
 947                 return;
 948         }
 949
 950         # Perform search
 951         $mesg = $ldap_handle->search(
 952                 base   => $ldap_base,
 953                 scope  => 'sub',
 954                 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
 955         );
 956
 957         if($mesg->count() == 0) {
 958                 &main::daemon_log("Host was not found in LDAP!", 1);
 959
 960                 # set status = hardware_detection at jobqueue if entry exists
 961                 # TODO
 962                 # resolve plain name for host
 963                 my $func_dic = {table=>$main::job_queue_tn,
 964                                 primkey=>['macaddress', 'headertag'],
 965                                 timestamp=>&get_time,
 966                                 status=>'processing',
 967                                 result=>'none',
 968                                 progress=>'hardware-detection',
 969                                 headertag=>'trigger_action_reinstall',
 970                                 targettag=>$address,
 971                                 xmlmessage=>'none',
 972                                 macaddress=>$macaddress,
 973                                 plainname=>'none',
 974                 siserver=>'localhost',
 975                 modified=>'1',
 976                 };
 977                 my $hd_res = $main::job_db->add_dbentry($func_dic);
 978                 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
 979
 980         } else {
 981                 my $entry= $mesg->entry(0);
 982                 my $dn= $entry->dn;
 983                 if (defined($entry->get_value("gotoHardwareChecksum"))) {
 984                         if (! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
 985                                 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
 986                                 if($entry->update($ldap_handle)) {
 987                                         &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
 988                                 }
 989                         } else {
 990                                 # Nothing to do
 991                                 return;
 992                         }
 993                 }
 994         }
 995
 996         # Assemble data package
 997         my %data = ();
 998
 999         # Need to append GOto settings?
1000         if (defined $goto_admin and defined $goto_secret){
1001                 $data{'goto_admin'}= $goto_admin;
1002                 $data{'goto_secret'}= $goto_secret;
1003         }
1004
1005         # Send information
1006         return &build_msg("detect_hardware", $server_address, $address, \%data);
1007 }
1008
1009 sub server_matches {
1010         my $target = shift;
1011         my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
1012         if(!defined($target_ip) or length($target_ip) == 0) {
1013                 return;
1014         }
1015
1016         my $result = 0;
1017
1018         if($server_ip eq $target_ip) {
1019                 $result= 1;
1020         } elsif ($target_ip eq "0.0.0.0") {
1021                 $result= 1;
1022         } elsif ($server_ip eq "0.0.0.0") {
1023                 if ($target_ip eq "127.0.0.1") {
1024                         $result= 1;
1025                 } else {
1026                         my $PROC_NET_ROUTE= ('/proc/net/route');
1027
1028                         open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
1029                                 or die "Could not open $PROC_NET_ROUTE";
1030
1031                         my @ifs = <PROC_NET_ROUTE>;
1032
1033                         close(PROC_NET_ROUTE);
1034
1035                         # Eat header line
1036                         shift @ifs;
1037                         chomp @ifs;
1038                         foreach my $line(@ifs) {
1039                                 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
1040                                 my $destination;
1041                                 my $mask;
1042                                 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
1043                                 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1044                                 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
1045                                 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1046                                 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
1047                                         # destination matches route, save mac and exit
1048                                         $result= 1;
1049                                         last;
1050                                 }
1051                         }
1052                 }
1053         } else {
1054                 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
1055         }
1056
1057         return $result;
1058 }
1059
1060 # vim:ts=4:shiftwidth:expandtab
1061 1;