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 $server;
  28 my $network_interface;
  29 my (@ldap_cfg, @pam_cfg, @nss_cfg, $goto_admin, $goto_secret);
  30 my $mesg;
  31
  32 my %cfg_defaults = (
  33 "server" => {
  34     "ip" => [\$server_ip, "0.0.0.0"],
  35     "mac-address" => [\$main::server_mac_address, "00:00:00:00:00"],
  36     "port" => [\$server_port, "20081"],
  37     "ldap-uri" => [\$ldap_uri, ""],
  38     "ldap-base" => [\$ldap_base, ""],
  39     "ldap-admin-dn" => [\$ldap_admin_dn, ""],
  40     "ldap-admin-password" => [\$ldap_admin_password, ""],
  41     "max-clients" => [\$max_clients, 100],
  42     },
  43 "ClientPackages" => {
  44     "key" => [\$ClientPackages_key, ""],
  45     },
  46 );
  47
  48 ### START #####################################################################
  49
  50 # read configfile and import variables
  51 &local_read_configfile();
  52
  53
  54 # if server_ip is not an ip address but a name
  55 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
  56 $network_interface= &get_interface_for_ip($server_ip);
  57 $main::server_mac_address= &get_mac($network_interface);
  58
  59
  60 # import local events
  61 my ($error, $result, $event_hash) = &import_events($event_dir);
  62
  63 foreach my $log_line (@$result) {
  64     if ($log_line =~ / succeed: /) {
  65         &main::daemon_log("0 DEBUG: ClientPackages - $log_line", 7);
  66     } else {
  67         &main::daemon_log("0 ERROR: ClientPackages - $log_line", 1);
  68     }
  69 }
  70 # build vice versa event_hash, event_name => module
  71 my $event2module_hash = {};
  72 while (my ($module, $mod_events) = each %$event_hash) {
  73     while (my ($event_name, $nothing) = each %$mod_events) {
  74         $event2module_hash->{$event_name} = $module;
  75     }
  76
  77 }
  78
  79 # Unit tag can be defined in config
  80 if((not defined($main::gosa_unit_tag)) || length($main::gosa_unit_tag) == 0) {
  81         # Read gosaUnitTag from LDAP
  82
  83     my $ldap_handle = &main::get_ldap_handle();
  84     if( defined($ldap_handle) ) {
  85                 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with mac address $main::server_mac_address",5);
  86                 # Perform search for Unit Tag
  87                 $mesg = $ldap_handle->search(
  88                         base   => $ldap_base,
  89                         scope  => 'sub',
  90                         attrs  => ['gosaUnitTag'],
  91                         filter => "(macaddress=$main::server_mac_address)"
  92                 );
  93
  94                 if ((! $main::server_mac_address eq "00:00:00:00:00:00") and $mesg->count == 1) {
  95                         my $entry= $mesg->entry(0);
  96                         my $unit_tag= $entry->get_value("gosaUnitTag");
  97                         $main::ldap_server_dn= $mesg->entry(0)->dn;
  98                         if(defined($unit_tag) && length($unit_tag) > 0) {
  99                                 &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
 100                                 $main::gosa_unit_tag= $unit_tag;
 101                         }
 102                 } else {
 103                         # Perform another search for Unit Tag
 104                         my $hostname= `hostname -f`;
 105                         chomp($hostname);
 106                         &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
 107                         $mesg = $ldap_handle->search(
 108                                 base   => $ldap_base,
 109                                 scope  => 'sub',
 110                                 attrs  => ['gosaUnitTag'],
 111                                 filter => "(&(cn=$hostname)(objectClass=goServer))"
 112                         );
 113                         if ($mesg->count == 1) {
 114                                 my $entry= $mesg->entry(0);
 115                                 my $unit_tag= $entry->get_value("gosaUnitTag");
 116                                 $main::ldap_server_dn= $mesg->entry(0)->dn;
 117                                 if(defined($unit_tag) && length($unit_tag) > 0) {
 118                                         &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
 119                                         $main::gosa_unit_tag= $unit_tag;
 120                                 }
 121                         } else {
 122                                 # Perform another search for Unit Tag
 123                                 $hostname= `hostname -s`;
 124                                 chomp($hostname);
 125                                 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
 126                                 $mesg = $ldap_handle->search(
 127                                         base   => $ldap_base,
 128                                         scope  => 'sub',
 129                                         attrs  => ['gosaUnitTag'],
 130                                         filter => "(&(cn=$hostname)(objectClass=goServer))"
 131                                 );
 132                                 if ($mesg->count == 1) {
 133                                         my $entry= $mesg->entry(0);
 134                                         my $unit_tag= $entry->get_value("gosaUnitTag");
 135                                         $main::ldap_server_dn= $mesg->entry(0)->dn;
 136                                         if(defined($unit_tag) && length($unit_tag) > 0) {
 137                                                 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
 138                                                 $main::gosa_unit_tag= $unit_tag;
 139                                         }
 140                                 } else {
 141                                         &main::daemon_log("0 WARNING: No gosaUnitTag detected. Not using gosaUnitTag", 3);
 142                                 }
 143                         }
 144                 }
 145         } else {
 146                 &main::daemon_log("0 INFO: Using gosaUnitTag from config-file: $main::gosa_unit_tag",5);
 147         }
 148     &main::release_ldap_handle($ldap_handle);
 149 }
 150
 151
 152 my $server_address = "$server_ip:$server_port";
 153 $main::server_address = $server_address;
 154
 155
 156 ### functions #################################################################
 157
 158
 159 sub get_module_info {
 160     my @info = ($server_address,
 161                 $ClientPackages_key,
 162                 $event_hash,
 163                 );
 164     return \@info;
 165 }
 166
 167
 168 #===  FUNCTION  ================================================================
 169 #         NAME:  local_read_configfile
 170 #   PARAMETERS:  cfg_file - string -
 171 #      RETURNS:  nothing
 172 #  DESCRIPTION:  read cfg_file and set variables
 173 #===============================================================================
 174 sub local_read_configfile {
 175     my $cfg;
 176     if( defined( $main::cfg_file) && ( (-s $main::cfg_file) > 0 )) {
 177         if( -r $main::cfg_file ) {
 178             $cfg = Config::IniFiles->new( -file => $main::cfg_file );
 179         } else {
 180             print STDERR "Couldn't read config file!";
 181         }
 182     } else {
 183         $cfg = Config::IniFiles->new() ;
 184     }
 185     foreach my $section (keys %cfg_defaults) {
 186         foreach my $param (keys %{$cfg_defaults{ $section }}) {
 187             my $pinfo = $cfg_defaults{ $section }{ $param };
 188             ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
 189         }
 190     }
 191
 192     # Read non predefined sections
 193     my $param;
 194     if ($cfg->SectionExists('ldap')){
 195                 foreach $param ($cfg->Parameters('ldap')){
 196                         push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
 197                 }
 198     }
 199     if ($cfg->SectionExists('pam_ldap')){
 200                 foreach $param ($cfg->Parameters('pam_ldap')){
 201                         push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
 202                 }
 203     }
 204     if ($cfg->SectionExists('nss_ldap')){
 205                 foreach $param ($cfg->Parameters('nss_ldap')){
 206                         push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
 207                 }
 208     }
 209     if ($cfg->SectionExists('goto')){
 210         $goto_admin= $cfg->val('goto', 'terminal_admin');
 211         $goto_secret= $cfg->val('goto', 'terminal_secret');
 212     } else {
 213         $goto_admin= undef;
 214         $goto_secret= undef;
 215     }
 216
 217 }
 218
 219
 220 #===  FUNCTION  ================================================================
 221 #         NAME:  get_mac
 222 #   PARAMETERS:  interface name (i.e. eth0)
 223 #      RETURNS:  (mac address)
 224 #  DESCRIPTION:  Uses ioctl to get mac address directly from system.
 225 #===============================================================================
 226 sub get_mac {
 227         my $ifreq= shift;
 228         my $result;
 229         if ($ifreq && length($ifreq) > 0) {
 230                 if($ifreq eq "all") {
 231                         $result = "00:00:00:00:00:00";
 232                 } else {
 233                         my $SIOCGIFHWADDR= 0x8927;     # man 2 ioctl_list
 234
 235                         # A configured MAC Address should always override a guessed value
 236                         if ($main::server_mac_address and length($main::server_mac_address) > 0) {
 237                                 $result= $main::server_mac_address;
 238                         }
 239
 240                         socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
 241                                 or die "socket: $!";
 242
 243                         if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
 244                                 my ($if, $mac)= unpack 'h36 H12', $ifreq;
 245
 246                                 if (length($mac) > 0) {
 247                                         $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
 248                                         $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
 249                                         $result = $mac;
 250                                 }
 251                         }
 252                 }
 253         }
 254         return $result;
 255 }
 256
 257
 258 #===  FUNCTION  ================================================================
 259 #         NAME:  process_incoming_msg
 260 #   PARAMETERS:  crypted_msg - string - incoming crypted message
 261 #      RETURNS:  nothing
 262 #  DESCRIPTION:  handels the proceeded distribution to the appropriated functions
 263 #===============================================================================
 264 sub process_incoming_msg {
 265     my ($msg, $msg_hash, $session_id, $ldap_handle) = @_ ;
 266     my $error = 0;
 267     my $host_name;
 268     my $host_key;
 269     my @out_msg_l = ("nohandler");
 270     my $sql_events;
 271
 272     # process incoming msg
 273     my $header = @{$msg_hash->{header}}[0];
 274     my $source = @{$msg_hash->{source}}[0];
 275     my @target_l = @{$msg_hash->{target}};
 276
 277     # skip PREFIX
 278     $header =~ s/^CLMSG_//;
 279
 280     &main::daemon_log("$session_id DEBUG: ClientPackages: msg to process: $header", 7);
 281
 282     if( 0 == length @target_l){
 283         &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
 284         $error++;
 285     }
 286
 287     if( 1 == length @target_l) {
 288         my $target = $target_l[0];
 289                 if(&server_matches($target)) {
 290             if ($header eq 'new_key') {
 291                 @out_msg_l = &new_key($msg_hash)
 292             } elsif ($header eq 'here_i_am') {
 293                 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id, $ldap_handle)
 294             } else {
 295                 # a event exists with the header as name
 296                 if( exists $event2module_hash->{$header} ) {
 297                     &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event2module_hash->{$header}."'", 5);
 298                     no strict 'refs';
 299                     @out_msg_l = &{$event2module_hash->{$header}."::$header"}($msg, $msg_hash, $session_id, $ldap_handle);
 300
 301                 # if no event handler is implemented
 302                 } else {
 303                     $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$source') OR (hostname='$source') )";
 304                     my $res = $main::known_clients_db->select_dbentry( $sql_events );
 305                     my $l = keys(%$res);
 306
 307                     # set error if no or more than 1 hits are found for sql query
 308                     if ( $l != 1) {
 309                         @out_msg_l = ('knownclienterror');
 310
 311                     # found exact 1 hit in db
 312                     } else {
 313                         my $client_events = $res->{'1'}->{'events'};
 314
 315                         # client is registered for this event, deliver this message to client
 316                         $header =~ s/^answer_//;
 317                         if ($client_events =~ /,$header,/) {
 318                             # answer message finally arrived destination server, so forward messages to GOsa
 319                             if ($target eq $main::server_address) {
 320                                 $msg =~ s/<header>answer_/<header>/;
 321                                 $msg =~ s/<target>\S+<\/target>/<target>GOSA<\/target>/;
 322                             }
 323                             @out_msg_l = ( $msg );
 324
 325                         # client is not registered for this event, set error
 326                         } else {
 327                             @out_msg_l = ('noeventerror');
 328                         }
 329                     }
 330                 }
 331             }
 332
 333             # if delivery not possible raise error and return
 334             if( not defined $out_msg_l[0] ) {
 335                 @out_msg_l = ();
 336             } elsif( $out_msg_l[0] eq 'nohandler') {
 337                 &main::daemon_log("$session_id ERROR: ClientPackages: no event handler or core function defined for '$header'", 1);
 338                 @out_msg_l = ();
 339             }  elsif ($out_msg_l[0] eq 'knownclienterror') {
 340                 &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
 341                 &main::daemon_log("$session_id ERROR: processing is aborted and message will not be forwarded", 1);
 342                 @out_msg_l = ();
 343             } elsif ($out_msg_l[0] eq 'noeventerror') {
 344                 &main::daemon_log("$session_id ERROR: client '$target' is not registered for event '$header', processing is aborted", 1);
 345                 @out_msg_l = ();
 346             }
 347
 348
 349
 350
 351         }
 352                 else {
 353                         &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
 354                         push(@out_msg_l, $msg);
 355                 }
 356     }
 357
 358     return \@out_msg_l;
 359 }
 360
 361
 362 #===  FUNCTION  ================================================================
 363 #         NAME:  new_passwd
 364 #   PARAMETERS:  msg_hash - ref - hash from function create_xml_hash
 365 #      RETURNS:  nothing
 366 #  DESCRIPTION:  process this incoming message
 367 #===============================================================================
 368 sub new_key {
 369     my ($msg_hash) = @_;
 370     my @out_msg_l;
 371
 372     my $header = @{$msg_hash->{header}}[0];
 373     my $source_name = @{$msg_hash->{source}}[0];
 374     my $source_key = @{$msg_hash->{new_key}}[0];
 375     my $query_res;
 376
 377     # check known_clients_db
 378     my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
 379     $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
 380     if( 1 == keys %{$query_res} ) {
 381         my $act_time = &get_time;
 382         my $sql_statement= "UPDATE known_clients ".
 383             "SET hostkey='$source_key', timestamp='$act_time' ".
 384             "WHERE hostname='$source_name'";
 385         my $res = $main::known_clients_db->update_dbentry( $sql_statement );
 386         my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
 387         my $out_msg = &create_xml_string($hash);
 388         push(@out_msg_l, $out_msg);
 389     }
 390
 391     # only do if host still not found
 392     if( 0 == @out_msg_l ) {
 393         # check known_server_db
 394         $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
 395         $query_res = $main::known_server_db->select_dbentry( $sql_statement );
 396         if( 1 == keys %{$query_res} ) {
 397             my $act_time = &get_time;
 398             my $sql_statement= "UPDATE known_server ".
 399                 "SET hostkey='$source_key', timestamp='$act_time' ".
 400                 "WHERE hostname='$source_name'";
 401             my $res = $main::known_server_db->update_dbentry( $sql_statement );
 402
 403             my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
 404             my $out_msg = &create_xml_string($hash);
 405             push(@out_msg_l, $out_msg);
 406         }
 407     }
 408
 409     return @out_msg_l;
 410 }
 411
 412
 413 #===  FUNCTION  ================================================================
 414 #         NAME:  here_i_am
 415 #   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
 416 #      RETURNS:  nothing
 417 #  DESCRIPTION:  process this incoming message
 418 #===============================================================================
 419 sub here_i_am {
 420     my ($msg, $msg_hash, $session_id, $ldap_handle) = @_;
 421     my @out_msg_l;
 422     my $out_hash;
 423     my $source = @{$msg_hash->{source}}[0];
 424     my $mac_address = @{$msg_hash->{mac_address}}[0];
 425         my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
 426     my $client_status = @{$msg_hash->{client_status}}[0];
 427     my $client_revision = @{$msg_hash->{client_revision}}[0];
 428     my $key_lifetime = @{$msg_hash->{key_lifetime}}[0];
 429
 430     # Move forced hostname to heap - if used
 431     #FIXME: move to some global POE namespace - please
 432     if ( defined($msg_hash->{'force-hostname'}[0]) &&
 433        length($msg_hash->{'force-hostname'}[0]) > 0){
 434     #      $heap->{force-hostname}->{$mac_address}= $msg_hash->{'force-hostname'}[0];
 435             open (TFILE, ">/var/tmp/$mac_address");
 436             print TFILE $msg_hash->{'force-hostname'}[0];
 437             close (TFILE);
 438     } else {
 439     #      $heap->{force-hostname}->{$mac_address}= undef;
 440         if ( -e "/var/tmp/$mac_address") {
 441                 unlink("/var/tmp/$mac_address")
 442         };
 443     }
 444
 445     # number of known clients
 446     my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
 447
 448     # check wether client address or mac address is already known
 449     my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
 450     my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
 451
 452     if ( 1 == keys %{$db_res} ) {
 453         &main::daemon_log("$session_id WARNING: $source is already known as a client", 1);
 454         &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 1);
 455         $nu_clients --;
 456     }
 457
 458     # number of current active clients
 459     my $act_nu_clients = $nu_clients;
 460
 461     &main::daemon_log("$session_id INFO: number of current active clients: $act_nu_clients", 5);
 462     &main::daemon_log("$session_id INFO: number of maximal allowed clients: $max_clients", 5);
 463
 464     if($max_clients <= $act_nu_clients) {
 465         my $out_hash = &create_xml_hash("denied", $server_address, $source);
 466         &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
 467         my $passwd = @{$msg_hash->{new_passwd}}[0];
 468         &send_msg_hash2address($out_hash, $source, $passwd);
 469         return;
 470     }
 471
 472     # new client accepted
 473     my $new_passwd = @{$msg_hash->{new_passwd}}[0];
 474
 475     # add entry to known_clients_db
 476     my $events = @{$msg_hash->{events}}[0];
 477     my $act_timestamp = &get_time;
 478     my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
 479                                                 primkey=>['hostname'],
 480                                                 hostname=>$source,
 481                                                 events=>$events,
 482                                                 macaddress=>$mac_address,
 483                                                 status=>'registered',
 484                                                 hostkey=>$new_passwd,
 485                                                 timestamp=>$act_timestamp,
 486                                                 keylifetime=>$key_lifetime,
 487                                                 } );
 488
 489     if ($res != 0)  {
 490         &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res");
 491         return;
 492     }
 493
 494     # return acknowledgement to client
 495     $out_hash = &create_xml_hash("registered", $server_address, $source);
 496
 497
 498     # give the new client his ldap config
 499     # Workaround: Send within the registration response, if the client will get an ldap config later
 500         my $new_ldap_config_out = &new_ldap_config($source, $session_id, $ldap_handle);
 501         if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
 502                 &add_content2xml_hash($out_hash, "ldap_available", "true");
 503         } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
 504                 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
 505
 506                 my $sql_statement = "UPDATE $main::job_queue_tn ".
 507                 "SET status='error', result='$new_ldap_config_out' ".
 508                 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
 509                 my $res = $main::job_db->update_dbentry($sql_statement);
 510                 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);
 511         }
 512     my $register_out = &create_xml_string($out_hash);
 513     push(@out_msg_l, $register_out);
 514
 515     # Really send the ldap config
 516     if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
 517             push(@out_msg_l, $new_ldap_config_out);
 518     }
 519
 520     # Send client hardware configuration
 521         my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id, $ldap_handle);
 522         if( $hardware_config_out ) {
 523                 push(@out_msg_l, $hardware_config_out);
 524         }
 525
 526     # Send client ntp server
 527     my $ntp_config_out = &new_ntp_config($mac_address, $session_id, $ldap_handle);
 528     if ($ntp_config_out) {
 529         push(@out_msg_l, $ntp_config_out);
 530     }
 531
 532     # Send client syslog server
 533     my $syslog_config_out = &new_syslog_config($mac_address, $session_id, $ldap_handle);
 534     if ($syslog_config_out) {
 535         push(@out_msg_l, $syslog_config_out);
 536     }
 537
 538     # notify registered client to all other server
 539     my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
 540     my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
 541     push(@out_msg_l, $mymsg);
 542
 543     &main::daemon_log("$session_id INFO: register client $source ($mac_address)", 5);
 544     &main::daemon_log("$session_id INFO: client version: $client_status - $client_revision", 5);
 545     return @out_msg_l;
 546 }
 547
 548
 549 #===  FUNCTION  ================================================================
 550 #         NAME:  who_has
 551 #   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
 552 #      RETURNS:  nothing
 553 #  DESCRIPTION:  process this incoming message
 554 #===============================================================================
 555 sub who_has {
 556     my ($msg_hash) = @_ ;
 557     my @out_msg_l;
 558
 559     # what is your search pattern
 560     my $search_pattern = @{$msg_hash->{who_has}}[0];
 561     my $search_element = @{$msg_hash->{$search_pattern}}[0];
 562     &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
 563
 564     # scanning known_clients for search_pattern
 565     my @host_addresses = keys %$main::known_clients;
 566     my $known_clients_entries = length @host_addresses;
 567     my $host_address;
 568     foreach my $host (@host_addresses) {
 569         my $client_element = $main::known_clients->{$host}->{$search_pattern};
 570         if ($search_element eq $client_element) {
 571             $host_address = $host;
 572             last;
 573         }
 574     }
 575
 576     # search was successful
 577     if (defined $host_address) {
 578         my $source = @{$msg_hash->{source}}[0];
 579         my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
 580         &add_content2xml_hash($out_hash, "mac_address", $search_element);
 581         my $out_msg = &create_xml_string($out_hash);
 582         push(@out_msg_l, $out_msg);
 583     }
 584     return @out_msg_l;
 585 }
 586
 587
 588 sub who_has_i_do {
 589     my ($msg_hash) = @_ ;
 590     my $header = @{$msg_hash->{header}}[0];
 591     my $source = @{$msg_hash->{source}}[0];
 592     my $search_param = @{$msg_hash->{$header}}[0];
 593     my $search_value = @{$msg_hash->{$search_param}}[0];
 594     print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
 595 }
 596
 597
 598 sub new_syslog_config {
 599     my ($mac_address, $session_id, $ldap_handle) = @_;
 600     my $syslog_msg;
 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 $filter_dn = &Net::LDAP::Util::escape_filter_value($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   => $ldap_base,
 630                 scope  => 'sub',
 631                 attrs => ['gotoSyslogServer'],
 632                 filter => "(&(objectClass=gosaGroupOfNames)(member=$filter_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: $ldap_base".
 642                     "\n\tscope: sub".
 643                     "\n\tattrs: gotoSyslogServer".
 644                     "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$filter_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
 659     # Add syslog server to 'syslog_config' message
 660     my $syslog_msg_hash = &create_xml_hash("new_syslog_config", $server_address, $mac_address);
 661     &add_content2xml_hash($syslog_msg_hash, "server", $syslog_server);
 662
 663     return &create_xml_string($syslog_msg_hash);
 664 }
 665
 666
 667 sub new_ntp_config {
 668     my ($address, $session_id, $ldap_handle) = @_;
 669     my $ntp_msg;
 670
 671         # Perform search
 672     my $ldap_res = $ldap_handle->search( base   => $ldap_base,
 673                 scope  => 'sub',
 674                 attrs => ['gotoNtpServer'],
 675                 filter => "(&(objectClass=GOhard)(macaddress=$address))");
 676         if($ldap_res->code) {
 677                 &main::daemon_log("$session_id ".$ldap_res->error, 1);
 678                 return;
 679         }
 680
 681         # Sanity check
 682         if ($ldap_res->count != 1) {
 683                 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
 684                 "\n\tbase: $ldap_base".
 685                 "\n\tscope: sub".
 686                 "\n\tattrs: gotoNtpServer".
 687                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$address))", 1);
 688                 return;
 689         }
 690
 691         my $entry= $ldap_res->entry(0);
 692     my $filter_dn = &Net::LDAP::Util::escape_filter_value($entry->dn);
 693         my @ntp_servers= $entry->get_value("gotoNtpServer");
 694
 695     # If no ntp server is specified at host, just have a look at the object group of the host
 696     # Perform object group search
 697     if ((not @ntp_servers) || (@ntp_servers == 0)) {
 698         my $ldap_res = $ldap_handle->search( base   => $ldap_base,
 699                 scope  => 'sub',
 700                 attrs => ['gotoNtpServer'],
 701                 filter => "(&(objectClass=gosaGroupOfNames)(member=$filter_dn))");
 702         if($ldap_res->code) {
 703             &main::daemon_log("$session_id ".$ldap_res->error, 1);
 704             return;
 705         }
 706
 707         # Sanity check
 708         if ($ldap_res->count != 1) {
 709             &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
 710                     "\n\tbase: $ldap_base".
 711                     "\n\tscope: sub".
 712                     "\n\tattrs: gotoNtpServer".
 713                     "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
 714             return;
 715         }
 716
 717         my $entry= $ldap_res->entry(0);
 718         @ntp_servers= $entry->get_value("gotoNtpServer");
 719     }
 720
 721     # Return if no ntp server specified
 722     if ((not @ntp_servers) || (@ntp_servers == 0)) {
 723         &main::daemon_log("$session_id WARNING: no ntp server specified for this host '$address'", 3);
 724         return;
 725     }
 726
 727     # Add each ntp server to 'ntp_config' message
 728     my $ntp_msg_hash = &create_xml_hash("new_ntp_config", $server_address, $address);
 729     foreach my $ntp_server (@ntp_servers) {
 730         &add_content2xml_hash($ntp_msg_hash, "server", $ntp_server);
 731     }
 732
 733     return &create_xml_string($ntp_msg_hash);
 734 }
 735
 736
 737 #===  FUNCTION  ================================================================
 738 #         NAME:  new_ldap_config
 739 #   PARAMETERS:  address - string - ip address and port of a host
 740 #      RETURNS:  gosa-si conform message
 741 #  DESCRIPTION:  send to address the ldap configuration found for dn gotoLdapServer
 742 #===============================================================================
 743 sub new_ldap_config {
 744         my ($address, $session_id, $ldap_handle) = @_ ;
 745
 746         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
 747         my $res = $main::known_clients_db->select_dbentry( $sql_statement );
 748
 749         # check hit
 750         my $hit_counter = keys %{$res};
 751         if( not $hit_counter == 1 ) {
 752                 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query '$sql_statement'", 1);
 753         }
 754
 755     $address = $res->{1}->{hostname};
 756         my $macaddress = $res->{1}->{macaddress};
 757         my $hostkey = $res->{1}->{hostkey};
 758
 759         if (not defined $macaddress) {
 760                 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
 761                 return;
 762         }
 763
 764         # Perform search
 765     $mesg = $ldap_handle->search( base   => $ldap_base,
 766                 scope  => 'sub',
 767                 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
 768                 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
 769         if($mesg->code) {
 770                 &main::daemon_log("$session_id ".$mesg->error, 1);
 771                 return;
 772         }
 773
 774         # Sanity check
 775         if ($mesg->count != 1) {
 776                 &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
 777                 "\n\tbase: $ldap_base".
 778                 "\n\tscope: sub".
 779                 "\n\tattrs: dn, gotoLdapServer".
 780                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
 781                 return;
 782         }
 783
 784         my $entry= $mesg->entry(0);
 785         my $filter_dn= &Net::LDAP::Util::escape_filter_value($entry->dn);
 786         my @servers= $entry->get_value("gotoLdapServer");
 787         my $unit_tag= $entry->get_value("gosaUnitTag");
 788         my @ldap_uris;
 789         my $server;
 790         my $base;
 791         my $release;
 792     my $dn= $entry->dn;
 793
 794         # Fill release if available
 795         my $FAIclass= $entry->get_value("FAIclass");
 796         if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
 797                 $release= $1;
 798         }
 799
 800         # Do we need to look at an object class?
 801         if (not @servers){
 802                 $mesg = $ldap_handle->search( base   => $ldap_base,
 803                         scope  => 'sub',
 804                         attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
 805                         filter => "(&(objectClass=gosaGroupOfNames)(member=$filter_dn))");
 806                 if($mesg->code) {
 807                         &main::daemon_log("$session_id ERROR: unable to search for '(&(objectClass=gosaGroupOfNames)(member=$filter_dn))': ".$mesg->error, 1);
 808                         return;
 809                 }
 810
 811                 # Sanity check
 812         if ($mesg->count != 1) {
 813             &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
 814                     "\n\tbase: $ldap_base".
 815                     "\n\tscope: sub".
 816                     "\n\tattrs: dn, gotoLdapServer, FAIclass".
 817                     "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
 818             return;
 819         }
 820
 821                 $entry= $mesg->entry(0);
 822                 $dn= $entry->dn;
 823                 @servers= $entry->get_value("gotoLdapServer");
 824
 825                 if (not defined $release){
 826                         $FAIclass= $entry->get_value("FAIclass");
 827                         if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
 828                                 $release= $1;
 829                         }
 830                 }
 831         }
 832
 833         @servers= sort (@servers);
 834
 835     # complain if no ldap information found
 836     if (@servers == 0) {
 837         &main::daemon_log("$session_id ERROR: no gotoLdapServer information for LDAP entry '$dn'", 1);
 838     }
 839
 840         foreach $server (@servers){
 841                 # Conversation for backward compatibility
 842                 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
 843                     if ($server =~ /^([^:]+):([^:]+)$/ ) {
 844                       $server= "1:dummy:ldap://$1/$2";
 845                     } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
 846                       $server= "$1:dummy:ldap://$2/$3";
 847                     }
 848                 }
 849
 850                 $base= $server;
 851                 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
 852                 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
 853                 push (@ldap_uris, $server);
 854         }
 855
 856         # Assemble data package
 857         my %data = ( 'ldap_uri'  => \@ldap_uris, 'ldap_base' => $base,
 858                 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
 859         if (defined $release){
 860                 $data{'release'}= $release;
 861         }
 862
 863         # Need to append GOto settings?
 864         if (defined $goto_admin and defined $goto_secret){
 865                 $data{'goto_admin'}= $goto_admin;
 866                 $data{'goto_secret'}= $goto_secret;
 867         }
 868
 869         # Append unit tag if needed
 870         if (defined $unit_tag){
 871
 872                 # Find admin base and department name
 873                 $mesg = $ldap_handle->search( base   => $ldap_base,
 874                         scope  => 'sub',
 875                         attrs => ['dn', 'ou'],
 876                         filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
 877                 #$mesg->code && die $mesg->error;
 878                 if($mesg->code) {
 879                         &main::daemon_log($mesg->error, 1);
 880                         return "error-unit-tag-count-0";
 881                 }
 882
 883                 # Sanity check
 884                 if ($mesg->count != 1) {
 885                         &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
 886                         return "error-unit-tag-count-".$mesg->count;
 887                 }
 888
 889                 $entry= $mesg->entry(0);
 890                 $data{'admin_base'}= $entry->dn;
 891                 $data{'department'}= $entry->get_value("ou");
 892
 893                 # Append unit Tag
 894                 $data{'unit_tag'}= $unit_tag;
 895         }
 896
 897         # Send information
 898         return &build_msg("new_ldap_config", $server_address, $address, \%data);
 899 }
 900
 901
 902 #===  FUNCTION  ================================================================
 903 #         NAME:  hardware_config
 904 #   PARAMETERS:  address - string - ip address and port of a host
 905 #      RETURNS:
 906 #  DESCRIPTION:
 907 #===============================================================================
 908 sub hardware_config {
 909         my ($msg, $msg_hash, $session_id, $ldap_handle) = @_ ;
 910         my $address = @{$msg_hash->{source}}[0];
 911         my $header = @{$msg_hash->{header}}[0];
 912         my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
 913
 914         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
 915         my $res = $main::known_clients_db->select_dbentry( $sql_statement );
 916
 917         # check hit
 918         my $hit_counter = keys %{$res};
 919         if( not $hit_counter == 1 ) {
 920                 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
 921         }
 922         my $macaddress = $res->{1}->{macaddress};
 923         my $hostkey = $res->{1}->{hostkey};
 924
 925         if (not defined $macaddress) {
 926                 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
 927                 return;
 928         }
 929
 930         # Perform search
 931         $mesg = $ldap_handle->search(
 932                 base   => $ldap_base,
 933                 scope  => 'sub',
 934                 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
 935         );
 936
 937         if($mesg->count() == 0) {
 938                 &main::daemon_log("Host was not found in LDAP!", 1);
 939
 940                 # set status = hardware_detection at jobqueue if entry exists
 941                 # TODO
 942                 # resolve plain name for host
 943                 my $func_dic = {table=>$main::job_queue_tn,
 944                                 primkey=>['macaddress', 'headertag'],
 945                                 timestamp=>&get_time,
 946                                 status=>'processing',
 947                                 result=>'none',
 948                                 progress=>'hardware-detection',
 949                                 headertag=>'trigger_action_reinstall',
 950                                 targettag=>$address,
 951                                 xmlmessage=>'none',
 952                                 macaddress=>$macaddress,
 953                                 plainname=>'none',
 954                 siserver=>'localhost',
 955                 modified=>'1',
 956                 };
 957                 my $hd_res = $main::job_db->add_dbentry($func_dic);
 958                 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
 959
 960         } else {
 961                 my $entry= $mesg->entry(0);
 962                 if (defined($entry->get_value("gotoHardwareChecksum"))) {
 963                         if (! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
 964                                 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
 965                                 if($entry->update($ldap_handle)) {
 966                                         &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
 967                                 }
 968                         } else {
 969                                 # Nothing to do
 970                                 return;
 971                         }
 972                 }
 973         }
 974
 975         # Assemble data package
 976         my %data = ();
 977
 978         # Need to append GOto settings?
 979         if (defined $goto_admin and defined $goto_secret){
 980                 $data{'goto_admin'}= $goto_admin;
 981                 $data{'goto_secret'}= $goto_secret;
 982         }
 983
 984         # Send information
 985         return &build_msg("detect_hardware", $server_address, $address, \%data);
 986 }
 987
 988 sub server_matches {
 989         my $target = shift;
 990         my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
 991         if(!defined($target_ip) or length($target_ip) == 0) {
 992                 return;
 993         }
 994
 995         my $result = 0;
 996
 997         if($server_ip eq $target_ip) {
 998                 $result= 1;
 999         } elsif ($target_ip eq "0.0.0.0") {
1000                 $result= 1;
1001         } elsif ($server_ip eq "0.0.0.0") {
1002                 if ($target_ip eq "127.0.0.1") {
1003                         $result= 1;
1004                 } else {
1005                         my $PROC_NET_ROUTE= ('/proc/net/route');
1006
1007                         open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
1008                                 or die "Could not open $PROC_NET_ROUTE";
1009
1010                         my @ifs = <PROC_NET_ROUTE>;
1011
1012                         close(PROC_NET_ROUTE);
1013
1014                         # Eat header line
1015                         shift @ifs;
1016                         chomp @ifs;
1017                         foreach my $line(@ifs) {
1018                                 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
1019                                 my $destination;
1020                                 my $mask;
1021                                 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
1022                                 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1023                                 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
1024                                 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1025                                 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
1026                                         # destination matches route, save mac and exit
1027                                         $result= 1;
1028                                         last;
1029                                 }
1030                         }
1031                 }
1032         } else {
1033                 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
1034         }
1035
1036         return $result;
1037 }
1038
1039 # vim:ts=4:shiftwidth:expandtab
1040 1;