trunk/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 # build vice versa event_hash, event_name => module
  73 my $event2module_hash = {};
  74 while (my ($module, $mod_events) = each %$event_hash) {
  75     while (my ($event_name, $nothing) = each %$mod_events) {
  76         $event2module_hash->{$event_name} = $module;
  77     }
  78
  79 }
  80
  81 # Unit tag can be defined in config
  82 if((not defined($main::gosa_unit_tag)) || length($main::gosa_unit_tag) == 0) {
  83         # Read gosaUnitTag from LDAP
  84
  85     my $ldap_handle = &main::get_ldap_handle();
  86     if( defined($ldap_handle) ) {
  87                 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with mac address $main::server_mac_address",5);
  88                 # Perform search for Unit Tag
  89                 $mesg = $ldap_handle->search(
  90                         base   => $ldap_base,
  91                         scope  => 'sub',
  92                         attrs  => ['gosaUnitTag'],
  93                         filter => "(macaddress=$main::server_mac_address)"
  94                 );
  95
  96                 if ((! $main::server_mac_address eq "00:00:00:00:00:00") and $mesg->count == 1) {
  97                         my $entry= $mesg->entry(0);
  98                         my $unit_tag= $entry->get_value("gosaUnitTag");
  99                         $main::ldap_server_dn= $mesg->entry(0)->dn;
 100                         if(defined($unit_tag) && length($unit_tag) > 0) {
 101                                 &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
 102                                 $main::gosa_unit_tag= $unit_tag;
 103                         }
 104                 } else {
 105                         # Perform another search for Unit Tag
 106                         my $hostname= `hostname -f`;
 107                         chomp($hostname);
 108                         &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
 109                         $mesg = $ldap_handle->search(
 110                                 base   => $ldap_base,
 111                                 scope  => 'sub',
 112                                 attrs  => ['gosaUnitTag'],
 113                                 filter => "(&(cn=$hostname)(objectClass=goServer))"
 114                         );
 115                         if ($mesg->count == 1) {
 116                                 my $entry= $mesg->entry(0);
 117                                 my $unit_tag= $entry->get_value("gosaUnitTag");
 118                                 $main::ldap_server_dn= $mesg->entry(0)->dn;
 119                                 if(defined($unit_tag) && length($unit_tag) > 0) {
 120                                         &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
 121                                         $main::gosa_unit_tag= $unit_tag;
 122                                 }
 123                         } else {
 124                                 # Perform another search for Unit Tag
 125                                 $hostname= `hostname -s`;
 126                                 chomp($hostname);
 127                                 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
 128                                 $mesg = $ldap_handle->search(
 129                                         base   => $ldap_base,
 130                                         scope  => 'sub',
 131                                         attrs  => ['gosaUnitTag'],
 132                                         filter => "(&(cn=$hostname)(objectClass=goServer))"
 133                                 );
 134                                 if ($mesg->count == 1) {
 135                                         my $entry= $mesg->entry(0);
 136                                         my $unit_tag= $entry->get_value("gosaUnitTag");
 137                                         $main::ldap_server_dn= $mesg->entry(0)->dn;
 138                                         if(defined($unit_tag) && length($unit_tag) > 0) {
 139                                                 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
 140                                                 $main::gosa_unit_tag= $unit_tag;
 141                                         }
 142                                 } else {
 143                                         &main::daemon_log("0 WARNING: No gosaUnitTag detected. Not using gosaUnitTag", 3);
 144                                 }
 145                         }
 146                 }
 147         } else {
 148                 &main::daemon_log("0 INFO: Using gosaUnitTag from config-file: $main::gosa_unit_tag",5);
 149         }
 150 }
 151
 152
 153 my $server_address = "$server_ip:$server_port";
 154 $main::server_address = $server_address;
 155
 156
 157 ### functions #################################################################
 158
 159
 160 sub get_module_info {
 161     my @info = ($server_address,
 162                 $ClientPackages_key,
 163                 $event_hash,
 164                 );
 165     return \@info;
 166 }
 167
 168
 169 #===  FUNCTION  ================================================================
 170 #         NAME:  local_read_configfile
 171 #   PARAMETERS:  cfg_file - string -
 172 #      RETURNS:  nothing
 173 #  DESCRIPTION:  read cfg_file and set variables
 174 #===============================================================================
 175 sub local_read_configfile {
 176     my $cfg;
 177     if( defined( $main::cfg_file) && ( (-s $main::cfg_file) > 0 )) {
 178         if( -r $main::cfg_file ) {
 179             $cfg = Config::IniFiles->new( -file => $main::cfg_file );
 180         } else {
 181             print STDERR "Couldn't read config file!";
 182         }
 183     } else {
 184         $cfg = Config::IniFiles->new() ;
 185     }
 186     foreach my $section (keys %cfg_defaults) {
 187         foreach my $param (keys %{$cfg_defaults{ $section }}) {
 188             my $pinfo = $cfg_defaults{ $section }{ $param };
 189             ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
 190         }
 191     }
 192
 193     # Read non predefined sections
 194     my $param;
 195     if ($cfg->SectionExists('ldap')){
 196                 foreach $param ($cfg->Parameters('ldap')){
 197                         push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
 198                 }
 199     }
 200     if ($cfg->SectionExists('pam_ldap')){
 201                 foreach $param ($cfg->Parameters('pam_ldap')){
 202                         push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
 203                 }
 204     }
 205     if ($cfg->SectionExists('nss_ldap')){
 206                 foreach $param ($cfg->Parameters('nss_ldap')){
 207                         push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
 208                 }
 209     }
 210     if ($cfg->SectionExists('goto')){
 211         $goto_admin= $cfg->val('goto', 'terminal_admin');
 212         $goto_secret= $cfg->val('goto', 'terminal_secret');
 213     } else {
 214         $goto_admin= undef;
 215         $goto_secret= undef;
 216     }
 217
 218 }
 219
 220
 221 #===  FUNCTION  ================================================================
 222 #         NAME:  get_mac
 223 #   PARAMETERS:  interface name (i.e. eth0)
 224 #      RETURNS:  (mac address)
 225 #  DESCRIPTION:  Uses ioctl to get mac address directly from system.
 226 #===============================================================================
 227 sub get_mac {
 228         my $ifreq= shift;
 229         my $result;
 230         if ($ifreq && length($ifreq) > 0) {
 231                 if($ifreq eq "all") {
 232                         $result = "00:00:00:00:00:00";
 233                 } else {
 234                         my $SIOCGIFHWADDR= 0x8927;     # man 2 ioctl_list
 235
 236                         # A configured MAC Address should always override a guessed value
 237                         if ($main::server_mac_address and length($main::server_mac_address) > 0) {
 238                                 $result= $main::server_mac_address;
 239                         }
 240
 241                         socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
 242                                 or die "socket: $!";
 243
 244                         if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
 245                                 my ($if, $mac)= unpack 'h36 H12', $ifreq;
 246
 247                                 if (length($mac) > 0) {
 248                                         $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
 249                                         $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
 250                                         $result = $mac;
 251                                 }
 252                         }
 253                 }
 254         }
 255         return $result;
 256 }
 257
 258
 259 #===  FUNCTION  ================================================================
 260 #         NAME:  process_incoming_msg
 261 #   PARAMETERS:  crypted_msg - string - incoming crypted message
 262 #      RETURNS:  nothing
 263 #  DESCRIPTION:  handels the proceeded distribution to the appropriated functions
 264 #===============================================================================
 265 sub process_incoming_msg {
 266     my ($msg, $msg_hash, $session_id) = @_ ;
 267     my $error = 0;
 268     my $host_name;
 269     my $host_key;
 270     my @out_msg_l = ("nohandler");
 271     my $sql_events;
 272
 273     # process incoming msg
 274     my $header = @{$msg_hash->{header}}[0];
 275     my $source = @{$msg_hash->{source}}[0];
 276     my @target_l = @{$msg_hash->{target}};
 277
 278     # skip PREFIX
 279     $header =~ s/^CLMSG_//;
 280
 281     &main::daemon_log("$session_id DEBUG: ClientPackages: msg to process: $header", 7);
 282
 283     if( 0 == length @target_l){
 284         &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
 285         $error++;
 286     }
 287
 288     if( 1 == length @target_l) {
 289         my $target = $target_l[0];
 290                 if(&server_matches($target)) {
 291             if ($header eq 'new_key') {
 292                 @out_msg_l = &new_key($msg_hash)
 293             } elsif ($header eq 'here_i_am') {
 294                 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id)
 295             } else {
 296                 # a event exists with the header as name
 297                 if( exists $event2module_hash->{$header} ) {
 298                     &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event2module_hash->{$header}."'", 5);
 299                     no strict 'refs';
 300                     @out_msg_l = &{$event2module_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
 301
 302                 # if no event handler is implemented
 303                 } else {
 304                     $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$source') OR (hostname='$source') )";
 305                     my $res = $main::known_clients_db->select_dbentry( $sql_events );
 306                     my $l = keys(%$res);
 307
 308                     # set error if no or more than 1 hits are found for sql query
 309                     if ( $l != 1) {
 310                         @out_msg_l = ('knownclienterror');
 311
 312                     # found exact 1 hit in db
 313                     } else {
 314                         my $client_events = $res->{'1'}->{'events'};
 315
 316                         # client is registered for this event, deliver this message to client
 317                         $header =~ s/^answer_//;
 318                         if ($client_events =~ /,$header,/) {
 319                             # answer message finally arrived destination server, so forward messages to GOsa
 320                             if ($target eq $main::server_address) {
 321                                 $msg =~ s/<header>answer_/<header>/;
 322                                 $msg =~ s/<target>\S+<\/target>/<target>GOSA<\/target>/;
 323                             }
 324                             @out_msg_l = ( $msg );
 325
 326                         # client is not registered for this event, set error
 327                         } else {
 328                             @out_msg_l = ('noeventerror');
 329                         }
 330                     }
 331                 }
 332             }
 333
 334             # if delivery not possible raise error and return
 335             if( not defined $out_msg_l[0] ) {
 336                 @out_msg_l = ();
 337             } elsif( $out_msg_l[0] eq 'nohandler') {
 338                 &main::daemon_log("$session_id ERROR: ClientPackages: no event handler or core function defined for '$header'", 1);
 339                 @out_msg_l = ();
 340             }  elsif ($out_msg_l[0] eq 'knownclienterror') {
 341                 &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
 342                 &main::daemon_log("$session_id ERROR: processing is aborted and message will not be forwarded", 1);
 343                 @out_msg_l = ();
 344             } elsif ($out_msg_l[0] eq 'noeventerror') {
 345                 &main::daemon_log("$session_id ERROR: client '$target' is not registered for event '$header', processing is aborted", 1);
 346                 @out_msg_l = ();
 347             }
 348
 349
 350
 351
 352         }
 353                 else {
 354                         &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
 355                         push(@out_msg_l, $msg);
 356                 }
 357     }
 358
 359     return \@out_msg_l;
 360 }
 361
 362
 363 #===  FUNCTION  ================================================================
 364 #         NAME:  new_passwd
 365 #   PARAMETERS:  msg_hash - ref - hash from function create_xml_hash
 366 #      RETURNS:  nothing
 367 #  DESCRIPTION:  process this incoming message
 368 #===============================================================================
 369 sub new_key {
 370     my ($msg_hash) = @_;
 371     my @out_msg_l;
 372
 373     my $header = @{$msg_hash->{header}}[0];
 374     my $source_name = @{$msg_hash->{source}}[0];
 375     my $source_key = @{$msg_hash->{new_key}}[0];
 376     my $query_res;
 377
 378     # check known_clients_db
 379     my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
 380     $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
 381     if( 1 == keys %{$query_res} ) {
 382         my $act_time = &get_time;
 383         my $sql_statement= "UPDATE known_clients ".
 384             "SET hostkey='$source_key', timestamp='$act_time' ".
 385             "WHERE hostname='$source_name'";
 386         my $res = $main::known_clients_db->update_dbentry( $sql_statement );
 387         my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
 388         my $out_msg = &create_xml_string($hash);
 389         push(@out_msg_l, $out_msg);
 390     }
 391
 392     # only do if host still not found
 393     if( 0 == @out_msg_l ) {
 394         # check known_server_db
 395         $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
 396         $query_res = $main::known_server_db->select_dbentry( $sql_statement );
 397         if( 1 == keys %{$query_res} ) {
 398             my $act_time = &get_time;
 399             my $sql_statement= "UPDATE known_server ".
 400                 "SET hostkey='$source_key', timestamp='$act_time' ".
 401                 "WHERE hostname='$source_name'";
 402             my $res = $main::known_server_db->update_dbentry( $sql_statement );
 403
 404             my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
 405             my $out_msg = &create_xml_string($hash);
 406             push(@out_msg_l, $out_msg);
 407         }
 408     }
 409
 410     return @out_msg_l;
 411 }
 412
 413
 414 #===  FUNCTION  ================================================================
 415 #         NAME:  here_i_am
 416 #   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
 417 #      RETURNS:  nothing
 418 #  DESCRIPTION:  process this incoming message
 419 #===============================================================================
 420 sub here_i_am {
 421     my ($msg, $msg_hash, $session_id) = @_;
 422     my @out_msg_l;
 423     my $out_hash;
 424     my $source = @{$msg_hash->{source}}[0];
 425     my $mac_address = @{$msg_hash->{mac_address}}[0];
 426         my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
 427     my $client_status = @{$msg_hash->{client_status}}[0];
 428     my $client_revision = @{$msg_hash->{client_revision}}[0];
 429     my $key_lifetime = @{$msg_hash->{key_lifetime}}[0];
 430
 431     # Move forced hostname to heap - if used
 432     #FIXME: move to some global POE namespace - please
 433     if ( defined($msg_hash->{'force-hostname'}[0]) &&
 434        length($msg_hash->{'force-hostname'}[0]) > 0){
 435     #      $heap->{force-hostname}->{$mac_address}= $msg_hash->{'force-hostname'}[0];
 436             open (TFILE, ">/var/tmp/$mac_address");
 437             print TFILE $msg_hash->{'force-hostname'}[0];
 438             close (TFILE);
 439     } else {
 440     #      $heap->{force-hostname}->{$mac_address}= undef;
 441         if ( -e "/var/tmp/$mac_address") {
 442                 unlink("/var/tmp/$mac_address")
 443         };
 444     }
 445
 446     # number of known clients
 447     my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
 448
 449     # check wether client address or mac address is already known
 450     my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
 451     my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
 452
 453     if ( 1 == keys %{$db_res} ) {
 454         &main::daemon_log("$session_id WARNING: $source is already known as a client", 1);
 455         &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 1);
 456         $nu_clients --;
 457     }
 458
 459     # number of current active clients
 460     my $act_nu_clients = $nu_clients;
 461
 462     &main::daemon_log("$session_id INFO: number of current active clients: $act_nu_clients", 5);
 463     &main::daemon_log("$session_id INFO: number of maximal allowed clients: $max_clients", 5);
 464
 465     if($max_clients <= $act_nu_clients) {
 466         my $out_hash = &create_xml_hash("denied", $server_address, $source);
 467         &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
 468         my $passwd = @{$msg_hash->{new_passwd}}[0];
 469         &send_msg_hash2address($out_hash, $source, $passwd);
 470         return;
 471     }
 472
 473     # new client accepted
 474     my $new_passwd = @{$msg_hash->{new_passwd}}[0];
 475
 476     # add entry to known_clients_db
 477     my $events = @{$msg_hash->{events}}[0];
 478     my $act_timestamp = &get_time;
 479     my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
 480                                                 primkey=>['hostname'],
 481                                                 hostname=>$source,
 482                                                 events=>$events,
 483                                                 macaddress=>$mac_address,
 484                                                 status=>'registered',
 485                                                 hostkey=>$new_passwd,
 486                                                 timestamp=>$act_timestamp,
 487                                                 keylifetime=>$key_lifetime,
 488                                                 } );
 489
 490     if ($res != 0)  {
 491         &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res");
 492         return;
 493     }
 494
 495     # return acknowledgement to client
 496     $out_hash = &create_xml_hash("registered", $server_address, $source);
 497
 498
 499     # give the new client his ldap config
 500     # Workaround: Send within the registration response, if the client will get an ldap config later
 501         my $new_ldap_config_out = &new_ldap_config($source, $session_id);
 502         if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
 503                 &add_content2xml_hash($out_hash, "ldap_available", "true");
 504         } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
 505                 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
 506
 507                 my $sql_statement = "UPDATE $main::job_queue_tn ".
 508                 "SET status='error', result='$new_ldap_config_out' ".
 509                 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
 510                 my $res = $main::job_db->update_dbentry($sql_statement);
 511                 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);
 512         }
 513     my $register_out = &create_xml_string($out_hash);
 514     push(@out_msg_l, $register_out);
 515
 516     # Really send the ldap config
 517     if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
 518             push(@out_msg_l, $new_ldap_config_out);
 519     }
 520
 521     # Send client hardware configuration
 522         my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
 523         if( $hardware_config_out ) {
 524                 push(@out_msg_l, $hardware_config_out);
 525         }
 526
 527     # Send client ntp server
 528     my $ntp_config_out = &new_ntp_config($mac_address, $session_id);
 529     if ($ntp_config_out) {
 530         push(@out_msg_l, $ntp_config_out);
 531     }
 532
 533     # Send client syslog server
 534     my $syslog_config_out = &new_syslog_config($mac_address, $session_id);
 535     if ($syslog_config_out) {
 536         push(@out_msg_l, $syslog_config_out);
 537     }
 538
 539     # notify registered client to all other server
 540     my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
 541     my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
 542     push(@out_msg_l, $mymsg);
 543
 544     &main::daemon_log("$session_id INFO: register client $source ($mac_address)", 5);
 545     &main::daemon_log("$session_id INFO: client version: $client_status - $client_revision", 5);
 546     return @out_msg_l;
 547 }
 548
 549
 550 #===  FUNCTION  ================================================================
 551 #         NAME:  who_has
 552 #   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
 553 #      RETURNS:  nothing
 554 #  DESCRIPTION:  process this incoming message
 555 #===============================================================================
 556 sub who_has {
 557     my ($msg_hash) = @_ ;
 558     my @out_msg_l;
 559
 560     # what is your search pattern
 561     my $search_pattern = @{$msg_hash->{who_has}}[0];
 562     my $search_element = @{$msg_hash->{$search_pattern}}[0];
 563     &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
 564
 565     # scanning known_clients for search_pattern
 566     my @host_addresses = keys %$main::known_clients;
 567     my $known_clients_entries = length @host_addresses;
 568     my $host_address;
 569     foreach my $host (@host_addresses) {
 570         my $client_element = $main::known_clients->{$host}->{$search_pattern};
 571         if ($search_element eq $client_element) {
 572             $host_address = $host;
 573             last;
 574         }
 575     }
 576
 577     # search was successful
 578     if (defined $host_address) {
 579         my $source = @{$msg_hash->{source}}[0];
 580         my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
 581         &add_content2xml_hash($out_hash, "mac_address", $search_element);
 582         my $out_msg = &create_xml_string($out_hash);
 583         push(@out_msg_l, $out_msg);
 584     }
 585     return @out_msg_l;
 586 }
 587
 588
 589 sub who_has_i_do {
 590     my ($msg_hash) = @_ ;
 591     my $header = @{$msg_hash->{header}}[0];
 592     my $source = @{$msg_hash->{source}}[0];
 593     my $search_param = @{$msg_hash->{$header}}[0];
 594     my $search_value = @{$msg_hash->{$search_param}}[0];
 595     print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
 596 }
 597
 598
 599 sub new_syslog_config {
 600     my ($mac_address, $session_id) = @_;
 601     my $syslog_msg;
 602
 603         # Build LDAP connection
 604     my $ldap_handle = &main::get_ldap_handle($session_id);
 605         if( not defined $ldap_handle ) {
 606                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
 607                 return;
 608         }
 609
 610         # Perform search
 611     my $ldap_res = $ldap_handle->search( base   => $ldap_base,
 612                 scope  => 'sub',
 613                 attrs => ['gotoSyslogServer'],
 614                 filter => "(&(objectClass=GOhard)(macaddress=$mac_address))");
 615         if($ldap_res->code) {
 616                 &main::daemon_log("$session_id ".$ldap_res->error, 1);
 617                 return;
 618         }
 619
 620         # Sanity check
 621         if ($ldap_res->count != 1) {
 622                 &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
 623                 "\n\tbase: $ldap_base".
 624                 "\n\tscope: sub".
 625                 "\n\tattrs: gotoSyslogServer".
 626                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$mac_address))", 1);
 627                 return;
 628         }
 629
 630         my $entry= $ldap_res->entry(0);
 631     my $filter_dn = &Net::LDAP::Util::escape_filter_value($entry->dn);
 632         my $syslog_server = $entry->get_value("gotoSyslogServer");
 633
 634     # If no syslog server is specified at host, just have a look at the object group of the host
 635     # Perform object group search
 636     if (not defined $syslog_server) {
 637         my $ldap_res = $ldap_handle->search( base   => $ldap_base,
 638                 scope  => 'sub',
 639                 attrs => ['gotoSyslogServer'],
 640                 filter => "(&(objectClass=gosaGroupOfNames)(member=$filter_dn))");
 641         if($ldap_res->code) {
 642             &main::daemon_log("$session_id ".$ldap_res->error, 1);
 643             return;
 644         }
 645
 646         # Sanity check
 647         if ($ldap_res->count != 1) {
 648             &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
 649                     "\n\tbase: $ldap_base".
 650                     "\n\tscope: sub".
 651                     "\n\tattrs: gotoSyslogServer".
 652                     "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
 653             return;
 654         }
 655
 656         my $entry= $ldap_res->entry(0);
 657         $syslog_server= $entry->get_value("gotoSyslogServer");
 658     }
 659
 660     # Return if no syslog server specified
 661     if (not defined $syslog_server) {
 662         &main::daemon_log("$session_id WARNING: no syslog server specified for this host '$mac_address'", 3);
 663         return;
 664     }
 665
 666
 667     # Add syslog server to 'syslog_config' message
 668     my $syslog_msg_hash = &create_xml_hash("new_syslog_config", $server_address, $mac_address);
 669     &add_content2xml_hash($syslog_msg_hash, "server", $syslog_server);
 670
 671     return &create_xml_string($syslog_msg_hash);
 672 }
 673
 674
 675 sub new_ntp_config {
 676     my ($address, $session_id) = @_;
 677     my $ntp_msg;
 678
 679         # Build LDAP connection
 680     my $ldap_handle = &main::get_ldap_handle($session_id);
 681         if( not defined $ldap_handle ) {
 682                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
 683                 return;
 684         }
 685
 686         # Perform search
 687     my $ldap_res = $ldap_handle->search( base   => $ldap_base,
 688                 scope  => 'sub',
 689                 attrs => ['gotoNtpServer'],
 690                 filter => "(&(objectClass=GOhard)(macaddress=$address))");
 691         if($ldap_res->code) {
 692                 &main::daemon_log("$session_id ".$ldap_res->error, 1);
 693                 return;
 694         }
 695
 696         # Sanity check
 697         if ($ldap_res->count != 1) {
 698                 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
 699                 "\n\tbase: $ldap_base".
 700                 "\n\tscope: sub".
 701                 "\n\tattrs: gotoNtpServer".
 702                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$address))", 1);
 703                 return;
 704         }
 705
 706         my $entry= $ldap_res->entry(0);
 707     my $filter_dn = &Net::LDAP::Util::escape_filter_value($entry->dn);
 708         my @ntp_servers= $entry->get_value("gotoNtpServer");
 709
 710     # If no ntp server is specified at host, just have a look at the object group of the host
 711     # Perform object group search
 712     if ((not @ntp_servers) || (@ntp_servers == 0)) {
 713         my $ldap_res = $ldap_handle->search( base   => $ldap_base,
 714                 scope  => 'sub',
 715                 attrs => ['gotoNtpServer'],
 716                 filter => "(&(objectClass=gosaGroupOfNames)(member=$filter_dn))");
 717         if($ldap_res->code) {
 718             &main::daemon_log("$session_id ".$ldap_res->error, 1);
 719             return;
 720         }
 721
 722         # Sanity check
 723         if ($ldap_res->count != 1) {
 724             &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
 725                     "\n\tbase: $ldap_base".
 726                     "\n\tscope: sub".
 727                     "\n\tattrs: gotoNtpServer".
 728                     "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
 729             return;
 730         }
 731
 732         my $entry= $ldap_res->entry(0);
 733         @ntp_servers= $entry->get_value("gotoNtpServer");
 734     }
 735
 736     # Return if no ntp server specified
 737     if ((not @ntp_servers) || (@ntp_servers == 0)) {
 738         &main::daemon_log("$session_id WARNING: no ntp server specified for this host '$address'", 3);
 739         return;
 740     }
 741
 742     # Add each ntp server to 'ntp_config' message
 743     my $ntp_msg_hash = &create_xml_hash("new_ntp_config", $server_address, $address);
 744     foreach my $ntp_server (@ntp_servers) {
 745         &add_content2xml_hash($ntp_msg_hash, "server", $ntp_server);
 746     }
 747
 748     return &create_xml_string($ntp_msg_hash);
 749 }
 750
 751
 752 #===  FUNCTION  ================================================================
 753 #         NAME:  new_ldap_config
 754 #   PARAMETERS:  address - string - ip address and port of a host
 755 #      RETURNS:  gosa-si conform message
 756 #  DESCRIPTION:  send to address the ldap configuration found for dn gotoLdapServer
 757 #===============================================================================
 758 sub new_ldap_config {
 759         my ($address, $session_id) = @_ ;
 760
 761         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
 762         my $res = $main::known_clients_db->select_dbentry( $sql_statement );
 763
 764         # check hit
 765         my $hit_counter = keys %{$res};
 766         if( not $hit_counter == 1 ) {
 767                 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query '$sql_statement'", 1);
 768                 return;
 769         }
 770
 771     $address = $res->{1}->{hostname};
 772         my $macaddress = $res->{1}->{macaddress};
 773         my $hostkey = $res->{1}->{hostkey};
 774
 775         if (not defined $macaddress) {
 776                 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
 777                 return;
 778         }
 779
 780         # Build LDAP connection
 781     my $ldap_handle = &main::get_ldap_handle($session_id);
 782         if( not defined $ldap_handle ) {
 783                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
 784                 return;
 785         }
 786
 787         # Perform search
 788     $mesg = $ldap_handle->search( base   => $ldap_base,
 789                 scope  => 'sub',
 790                 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
 791                 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
 792         if($mesg->code) {
 793                 &main::daemon_log("$session_id ".$mesg->error, 1);
 794                 return;
 795         }
 796
 797         # Sanity check
 798         if ($mesg->count != 1) {
 799                 &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
 800                 "\n\tbase: $ldap_base".
 801                 "\n\tscope: sub".
 802                 "\n\tattrs: dn, gotoLdapServer".
 803                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
 804                 return;
 805         }
 806
 807         my $entry= $mesg->entry(0);
 808         my $filter_dn= &Net::LDAP::Util::escape_filter_value($entry->dn);
 809         my @servers= $entry->get_value("gotoLdapServer");
 810         my $unit_tag= $entry->get_value("gosaUnitTag");
 811         my @ldap_uris;
 812         my $server;
 813         my $base;
 814         my $release;
 815     my $dn= $entry->dn;
 816
 817         # Fill release if available
 818         my $FAIclass= $entry->get_value("FAIclass");
 819         if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
 820                 $release= $1;
 821         }
 822
 823         # Do we need to look at an object class?
 824         if (not @servers){
 825                 $mesg = $ldap_handle->search( base   => $ldap_base,
 826                         scope  => 'sub',
 827                         attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
 828                         filter => "(&(objectClass=gosaGroupOfNames)(member=$filter_dn))");
 829                 if($mesg->code) {
 830                         &main::daemon_log("$session_id ERROR: unable to search for '(&(objectClass=gosaGroupOfNames)(member=$filter_dn))': ".$mesg->error, 1);
 831                         return;
 832                 }
 833
 834                 # Sanity check
 835         if ($mesg->count != 1) {
 836             &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
 837                     "\n\tbase: $ldap_base".
 838                     "\n\tscope: sub".
 839                     "\n\tattrs: dn, gotoLdapServer, FAIclass".
 840                     "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
 841             return;
 842         }
 843
 844                 $entry= $mesg->entry(0);
 845                 $dn= $entry->dn;
 846                 @servers= $entry->get_value("gotoLdapServer");
 847
 848                 if (not defined $release){
 849                         $FAIclass= $entry->get_value("FAIclass");
 850                         if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
 851                                 $release= $1;
 852                         }
 853                 }
 854         }
 855
 856         @servers= sort (@servers);
 857
 858     # complain if no ldap information found
 859     if (@servers == 0) {
 860         &main::daemon_log("$session_id ERROR: no gotoLdapServer information for LDAP entry '$dn'", 1);
 861     }
 862
 863         foreach $server (@servers){
 864                 # Conversation for backward compatibility
 865                 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
 866                     if ($server =~ /^([^:]+):([^:]+)$/ ) {
 867                       $server= "1:dummy:ldap://$1/$2";
 868                     } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
 869                       $server= "$1:dummy:ldap://$2/$3";
 870                     }
 871                 }
 872
 873                 $base= $server;
 874                 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
 875                 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
 876                 push (@ldap_uris, $server);
 877         }
 878
 879         # Assemble data package
 880         my %data = ( 'ldap_uri'  => \@ldap_uris, 'ldap_base' => $base,
 881                 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
 882         if (defined $release){
 883                 $data{'release'}= $release;
 884         }
 885
 886         # Need to append GOto settings?
 887         if (defined $goto_admin and defined $goto_secret){
 888                 $data{'goto_admin'}= $goto_admin;
 889                 $data{'goto_secret'}= $goto_secret;
 890         }
 891
 892         # Append unit tag if needed
 893         if (defined $unit_tag){
 894
 895                 # Find admin base and department name
 896                 $mesg = $ldap_handle->search( base   => $ldap_base,
 897                         scope  => 'sub',
 898                         attrs => ['dn', 'ou'],
 899                         filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
 900                 #$mesg->code && die $mesg->error;
 901                 if($mesg->code) {
 902                         &main::daemon_log($mesg->error, 1);
 903                         return "error-unit-tag-count-0";
 904                 }
 905
 906                 # Sanity check
 907                 if ($mesg->count != 1) {
 908                         &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
 909                         return "error-unit-tag-count-".$mesg->count;
 910                 }
 911
 912                 $entry= $mesg->entry(0);
 913                 $data{'admin_base'}= $entry->dn;
 914                 $data{'department'}= $entry->get_value("ou");
 915
 916                 # Append unit Tag
 917                 $data{'unit_tag'}= $unit_tag;
 918         }
 919
 920         # Send information
 921         return &build_msg("new_ldap_config", $server_address, $address, \%data);
 922 }
 923
 924
 925 #===  FUNCTION  ================================================================
 926 #         NAME:  hardware_config
 927 #   PARAMETERS:  address - string - ip address and port of a host
 928 #      RETURNS:
 929 #  DESCRIPTION:
 930 #===============================================================================
 931 sub hardware_config {
 932         my ($msg, $msg_hash, $session_id) = @_ ;
 933         my $address = @{$msg_hash->{source}}[0];
 934         my $header = @{$msg_hash->{header}}[0];
 935         my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
 936
 937         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
 938         my $res = $main::known_clients_db->select_dbentry( $sql_statement );
 939
 940         # check hit
 941         my $hit_counter = keys %{$res};
 942         if( not $hit_counter == 1 ) {
 943                 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
 944         }
 945         my $macaddress = $res->{1}->{macaddress};
 946         my $hostkey = $res->{1}->{hostkey};
 947
 948         if (not defined $macaddress) {
 949                 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
 950                 return;
 951         }
 952
 953         # Build LDAP connection
 954     my $ldap_handle = &main::get_ldap_handle($session_id);
 955         if( not defined $ldap_handle ) {
 956                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
 957                 return;
 958         }
 959
 960         # Perform search
 961         $mesg = $ldap_handle->search(
 962                 base   => $ldap_base,
 963                 scope  => 'sub',
 964                 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
 965         );
 966
 967         if($mesg->count() == 0) {
 968                 &main::daemon_log("Host was not found in LDAP!", 1);
 969
 970                 # set status = hardware_detection at jobqueue if entry exists
 971                 # TODO
 972                 # resolve plain name for host
 973                 my $func_dic = {table=>$main::job_queue_tn,
 974                                 primkey=>['macaddress', 'headertag'],
 975                                 timestamp=>&get_time,
 976                                 status=>'processing',
 977                                 result=>'none',
 978                                 progress=>'hardware-detection',
 979                                 headertag=>'trigger_action_reinstall',
 980                                 targettag=>$address,
 981                                 xmlmessage=>'none',
 982                                 macaddress=>$macaddress,
 983                                 plainname=>'none',
 984                 siserver=>'localhost',
 985                 modified=>'1',
 986                 };
 987                 my $hd_res = $main::job_db->add_dbentry($func_dic);
 988                 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
 989
 990         } else {
 991                 my $entry= $mesg->entry(0);
 992                 if (defined($entry->get_value("gotoHardwareChecksum"))) {
 993                         if (! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
 994                                 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
 995                                 if($entry->update($ldap_handle)) {
 996                                         &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
 997                                 }
 998                         } else {
 999                                 # Nothing to do
1000                                 return;
1001                         }
1002                 }
1003         }
1004
1005         # Assemble data package
1006         my %data = ();
1007
1008         # Need to append GOto settings?
1009         if (defined $goto_admin and defined $goto_secret){
1010                 $data{'goto_admin'}= $goto_admin;
1011                 $data{'goto_secret'}= $goto_secret;
1012         }
1013
1014         # Send information
1015         return &build_msg("detect_hardware", $server_address, $address, \%data);
1016 }
1017
1018 sub server_matches {
1019         my $target = shift;
1020         my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
1021         if(!defined($target_ip) or length($target_ip) == 0) {
1022                 return;
1023         }
1024
1025         my $result = 0;
1026
1027         if($server_ip eq $target_ip) {
1028                 $result= 1;
1029         } elsif ($target_ip eq "0.0.0.0") {
1030                 $result= 1;
1031         } elsif ($server_ip eq "0.0.0.0") {
1032                 if ($target_ip eq "127.0.0.1") {
1033                         $result= 1;
1034                 } else {
1035                         my $PROC_NET_ROUTE= ('/proc/net/route');
1036
1037                         open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
1038                                 or die "Could not open $PROC_NET_ROUTE";
1039
1040                         my @ifs = <PROC_NET_ROUTE>;
1041
1042                         close(PROC_NET_ROUTE);
1043
1044                         # Eat header line
1045                         shift @ifs;
1046                         chomp @ifs;
1047                         foreach my $line(@ifs) {
1048                                 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
1049                                 my $destination;
1050                                 my $mask;
1051                                 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
1052                                 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1053                                 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
1054                                 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1055                                 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
1056                                         # destination matches route, save mac and exit
1057                                         $result= 1;
1058                                         last;
1059                                 }
1060                         }
1061                 }
1062         } else {
1063                 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
1064         }
1065
1066         return $result;
1067 }
1068
1069 # vim:ts=4:shiftwidth:expandtab
1070 1;