Code

Fixed typo
[gosa.git] / gosa-si / modules / ClientPackages.pm
1 package ClientPackages;
3 use Exporter;
4 @ISA = ("Exporter");
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. 
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;
20 my $event_dir = "/usr/lib/gosa-si/server/ClientPackages";
21 use lib "/usr/lib/gosa-si/server/ClientPackages";
23 BEGIN{}
24 END {}
26 my ($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 $mesg;
32 my %cfg_defaults = (
33 "server" => {
34     "ip" => [\$server_ip, "0.0.0.0"],
35     "mac-address" => [\$main::server_mac_address, "00:00:00:00:00"],
36     "port" => [\$server_port, "20081"],
37     "ldap-uri" => [\$ldap_uri, ""],
38     "ldap-base" => [\$ldap_base, ""],
39     "ldap-admin-dn" => [\$ldap_admin_dn, ""],
40     "ldap-admin-password" => [\$ldap_admin_password, ""],
41     "max-clients" => [\$max_clients, 100],
42     },
43 "ClientPackages" => {
44     "key" => [\$ClientPackages_key, ""],
45     },
46 );
48 ### START #####################################################################
50 # read configfile and import variables
51 &local_read_configfile();
54 # if server_ip is not an ip address but a name
55 if( inet_aton($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);
60 # import local events
61 my ($error, $result, $event_hash) = &import_events($event_dir);
63 foreach my $log_line (@$result) {
64     if ($log_line =~ / succeed: /) {
65         &main::daemon_log("0 INFO: ClientPackages - $log_line", 5);
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} = $module;
75     }
77 }
79 # Unit tag can be defined in config
80 if((not defined($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                 );
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);
152 my $server_address = "$server_ip:$server_port";
153 $main::server_address = $server_address;
156   # Check if ou=incoming exists
157   # TODO: This should be transferred to a module init-function
158   my $ldap_handle = &main::get_ldap_handle();
159   if( defined($ldap_handle) ) {
160     &main::daemon_log("0 INFO: Searching for ou=incoming container for new clients", 5);
161     # Perform search
162     my $mesg = $ldap_handle->search(
163       base   => $ldap_base,
164       scope  => 'one',
165       filter => "(&(ou=incoming)(objectClass=organizationalUnit))"
166     );
167     if(not defined($mesg->count) or $mesg->count == 0) {
168             my $incomingou = Net::LDAP::Entry->new();
169             $incomingou->dn('ou=incoming,'.$ldap_base);
170             $incomingou->add('objectClass' => 'organizationalUnit');
171             $incomingou->add('ou' => 'incoming');
172             my $result = $incomingou->update($ldap_handle);
173             if($result->code != 0) {
174                 &main::daemon_log("0 ERROR: Problem adding ou=incoming: '".$result->error()."'!", 1);
175             }
176     }
177   }
178   &main::release_ldap_handle($ldap_handle);
182 ### functions #################################################################
185 sub get_module_info {
186     my @info = ($server_address,
187                 $ClientPackages_key,
188                 $event_hash,
189                 );
190     return \@info;
194 #===  FUNCTION  ================================================================
195 #         NAME:  local_read_configfile
196 #   PARAMETERS:  cfg_file - string -
197 #      RETURNS:  nothing
198 #  DESCRIPTION:  read cfg_file and set variables
199 #===============================================================================
200 sub local_read_configfile {
201     my $cfg;
202     if( defined( $main::cfg_file) && ( (-s $main::cfg_file) > 0 )) {
203         if( -r $main::cfg_file ) {
204             $cfg = Config::IniFiles->new( -file => $main::cfg_file );
205         } else {
206             print STDERR "Couldn't read config file!";
207         }
208     } else {
209         $cfg = Config::IniFiles->new() ;
210     }
211     foreach my $section (keys %cfg_defaults) {
212         foreach my $param (keys %{$cfg_defaults{ $section }}) {
213             my $pinfo = $cfg_defaults{ $section }{ $param };
214             ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
215         }
216     }
218     # Read non predefined sections
219     my $param;
220     if ($cfg->SectionExists('ldap')){
221                 foreach $param ($cfg->Parameters('ldap')){
222                         push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
223                 }
224     }
225     if ($cfg->SectionExists('pam_ldap')){
226                 foreach $param ($cfg->Parameters('pam_ldap')){
227                         push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
228                 }
229     }
230     if ($cfg->SectionExists('nss_ldap')){
231                 foreach $param ($cfg->Parameters('nss_ldap')){
232                         push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
233                 }
234     }
235     if ($cfg->SectionExists('goto')){
236         $goto_admin= $cfg->val('goto', 'terminal_admin');
237         $goto_secret= $cfg->val('goto', 'terminal_secret');
238     } else {
239         $goto_admin= undef;
240         $goto_secret= undef;
241     }
246 #===  FUNCTION  ================================================================
247 #         NAME:  get_mac 
248 #   PARAMETERS:  interface name (i.e. eth0)
249 #      RETURNS:  (mac address) 
250 #  DESCRIPTION:  Uses ioctl to get mac address directly from system.
251 #===============================================================================
252 sub get_mac {
253         my $ifreq= shift;
254         my $result;
255         if ($ifreq && length($ifreq) > 0) { 
256                 if($ifreq eq "all") {
257                         $result = "00:00:00:00:00:00";
258                 } else {
259                         my $SIOCGIFHWADDR= 0x8927;     # man 2 ioctl_list
261                         # A configured MAC Address should always override a guessed value
262                         if ($main::server_mac_address and length($main::server_mac_address) > 0) {
263                                 $result= $main::server_mac_address;
264                         }
266                         socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
267                                 or die "socket: $!";
269                         if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
270                                 my ($if, $mac)= unpack 'h36 H12', $ifreq;
272                                 if (length($mac) > 0) {
273                                         $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
274                                         $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
275                                         $result = $mac;
276                                 }
277                         }
278                 }
279         }
280         return $result;
284 #===  FUNCTION  ================================================================
285 #         NAME:  process_incoming_msg
286 #   PARAMETERS:  crypted_msg - string - incoming crypted message
287 #      RETURNS:  nothing
288 #  DESCRIPTION:  handels the proceeded distribution to the appropriated functions
289 #===============================================================================
290 sub process_incoming_msg {
291     my ($msg, $msg_hash, $session_id) = @_ ;
292     my $error = 0;
293     my $host_name;
294     my $host_key;
295     my @out_msg_l = ("nohandler");
296     my $sql_events;
298     # process incoming msg
299     my $header = @{$msg_hash->{header}}[0]; 
300     my $source = @{$msg_hash->{source}}[0]; 
301     my @target_l = @{$msg_hash->{target}};
303     # skip PREFIX
304     $header =~ s/^CLMSG_//;
306     &main::daemon_log("$session_id DEBUG: ClientPackages: msg to process: $header", 26);
308     if( 0 == length @target_l){     
309         &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
310         $error++;
311     } elsif( 1 == length @target_l) {
312         my $target = $target_l[0];
313                 if(&server_matches($target, $session_id)) {
314             if ($header eq 'new_key') {
315                 @out_msg_l = &new_key($msg_hash)
316             } elsif ($header eq 'here_i_am') {
317                 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id)
318             } else {
319                 # a event exists with the header as name
320                 if( exists $event2module_hash->{$header} ) {
321                     &main::daemon_log("$session_id DEBUG: found event '$header' at event-module '".$event2module_hash->{$header}."'", 26);
322                     no strict 'refs';
323                     @out_msg_l = &{$event2module_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
325                 # if no event handler is implemented   
326                 } else {
327                     $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$source') OR (hostname='$source') )"; 
328                     my $res = $main::known_clients_db->select_dbentry( $sql_events );
329                     my $l = keys(%$res);
331                     # set error if no or more than 1 hits are found for sql query
332                     if ( $l != 1) {
333                         @out_msg_l = ('knownclienterror');
335                     # found exact 1 hit in db
336                     } else {
337                         my $client_events = $res->{'1'}->{'events'};
339                         # client is registered for this event, deliver this message to client
340                         $header =~ s/^answer_//;
341                         if ($client_events =~ /,$header,/) {
342                             # answer message finally arrived destination server, so forward messages to GOsa
343                             if ($target eq $main::server_address) {        
344                                 $msg =~ s/<header>answer_/<header>/;
345                                 $msg =~ s/<target>\S+<\/target>/<target>GOSA<\/target>/;
346                             }
347                             @out_msg_l = ( $msg );
349                         # client is not registered for this event, set error
350                         } else {
351                             @out_msg_l = ('noeventerror');
352                         }
353                     }
354                 }
355             }
357             # if delivery not possible raise error and return 
358             if( not defined $out_msg_l[0] ) {
359                 @out_msg_l = ();
360             } elsif( $out_msg_l[0] eq 'nohandler') {
361                 &main::daemon_log("$session_id ERROR: ClientPackages: no event handler or core function defined for '$header'", 1);
362                 @out_msg_l = ();
363             }  elsif ($out_msg_l[0] eq 'knownclienterror') {
364                 &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
365                 &main::daemon_log("$session_id ERROR: processing is aborted and message will not be forwarded", 1);
366                 @out_msg_l = ();
367             } elsif ($out_msg_l[0] eq 'noeventerror') {
368                 &main::daemon_log("$session_id ERROR: client '$target' is not registered for event '$header', processing is aborted", 1); 
369                 @out_msg_l = ();
370             }
371         } else {
372                         &main::daemon_log("DEBUG: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 26);
373                         push(@out_msg_l, $msg);
374                 }
375     }
377     return \@out_msg_l;
381 #===  FUNCTION  ================================================================
382 #         NAME:  new_passwd
383 #   PARAMETERS:  msg_hash - ref - hash from function create_xml_hash
384 #      RETURNS:  nothing
385 #  DESCRIPTION:  process this incoming message
386 #===============================================================================
387 sub new_key {
388     my ($msg_hash) = @_;
389     my @out_msg_l;
390     
391     my $header = @{$msg_hash->{header}}[0];
392     my $source_name = @{$msg_hash->{source}}[0];
393     my $source_key = @{$msg_hash->{new_key}}[0];
394     my $query_res;
396     # check known_clients_db
397     my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
398     $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
399     if( 1 == keys %{$query_res} ) {
400         my $act_time = &get_time;
401         my $sql_statement= "UPDATE known_clients ".
402             "SET hostkey='$source_key', timestamp='$act_time' ".
403             "WHERE hostname='$source_name'";
404         my $res = $main::known_clients_db->update_dbentry( $sql_statement );
405         my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
406         my $out_msg = &create_xml_string($hash);
407         push(@out_msg_l, $out_msg);
408     }
410     # only do if host still not found
411     if( 0 == @out_msg_l ) {
412         # check known_server_db
413         $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
414         $query_res = $main::known_server_db->select_dbentry( $sql_statement );
415         if( 1 == keys %{$query_res} ) {
416             my $act_time = &get_time;
417             my $sql_statement= "UPDATE known_server ".
418                 "SET hostkey='$source_key', timestamp='$act_time' ".
419                 "WHERE hostname='$source_name'";
420             my $res = $main::known_server_db->update_dbentry( $sql_statement );
422             my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
423             my $out_msg = &create_xml_string($hash);
424             push(@out_msg_l, $out_msg);
425         }
426     }
428     return @out_msg_l;
432 #===  FUNCTION  ================================================================
433 #         NAME:  here_i_am
434 #   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
435 #      RETURNS:  nothing
436 #  DESCRIPTION:  process this incoming message
437 #===============================================================================
438 sub here_i_am {
439     my ($msg, $msg_hash, $session_id) = @_;
440     my @out_msg_l;
441     my $out_hash;
442     my $source = @{$msg_hash->{source}}[0];
443     my $mac_address = @{$msg_hash->{mac_address}}[0];
444         my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
445     my $client_status = @{$msg_hash->{client_status}}[0];
446     my $client_revision = @{$msg_hash->{client_revision}}[0];
447     my $key_lifetime = @{$msg_hash->{key_lifetime}}[0];
449     # Move forced hostname to heap - if used
450     #FIXME: move to some global POE namespace - please
451     if ( defined($msg_hash->{'force-hostname'}[0]) &&
452        length($msg_hash->{'force-hostname'}[0]) > 0){
453     #      $heap->{force-hostname}->{$mac_address}= $msg_hash->{'force-hostname'}[0];
454             open (TFILE, ">/var/tmp/$mac_address");
455             print TFILE $msg_hash->{'force-hostname'}[0];
456             close (TFILE); 
457     } else {
458     #      $heap->{force-hostname}->{$mac_address}= undef;
459         if ( -e "/var/tmp/$mac_address") {
460                 unlink("/var/tmp/$mac_address")
461         }; 
462     }
464     # number of known clients
465     my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
467     # check wether client address or mac address is already known
468     my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
469     my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
470     
471     if ( 1 == keys %{$db_res} ) {
472         &main::daemon_log("$session_id WARNING: $source is already known as a client", 3);
473         &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 3);   
474         $nu_clients --;
475     }
477     # number of current active clients
478     my $act_nu_clients = $nu_clients;
480     &main::daemon_log("$session_id DEBUG: number of current active clients: $act_nu_clients", 26);
481     &main::daemon_log("$session_id DEBUG: number of maximal allowed clients: $max_clients", 26);
483     if($max_clients <= $act_nu_clients) {
484         my $out_hash = &create_xml_hash("denied", $server_address, $source);
485         &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
486         my $passwd = @{$msg_hash->{new_passwd}}[0]; 
487         &send_msg_hash2address($out_hash, $source, $passwd);
488         return;
489     }
490     
491     # new client accepted
492     my $new_passwd = @{$msg_hash->{new_passwd}}[0];
494     # add entry to known_clients_db
495     my $events = @{$msg_hash->{events}}[0];
496     my $act_timestamp = &get_time;
497     my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients', 
498                                                 primkey=>['hostname'],
499                                                 hostname=>$source,
500                                                 events=>$events,
501                                                 macaddress=>$mac_address,
502                                                 status=>'registered',
503                                                 hostkey=>$new_passwd,
504                                                 timestamp=>$act_timestamp,
505                                                 keylifetime=>$key_lifetime,
506                                                 } );
508     if ($res != 0)  {
509         &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res",1);
510         return;
511     }
512     
513     # return acknowledgement to client
514     $out_hash = &create_xml_hash("registered", $server_address, $source);
516     # give the new client his ldap config
517     # Workaround: Send within the registration response, if the client will get an ldap config later
518         my $new_ldap_config_out = &new_ldap_config($source, $session_id);
519         if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
520                 &add_content2xml_hash($out_hash, "ldap_available", "true");
521         } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
522                 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
524                 my $sql_statement = "UPDATE $main::job_queue_tn ".
525                 "SET status='error', result='$new_ldap_config_out' ".
526                 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
527                 my $res = $main::job_db->update_dbentry($sql_statement);
528                 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 26);         
529         }
530     my $register_out = &create_xml_string($out_hash);
531     push(@out_msg_l, $register_out);
533     # Really send the ldap config
534     if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
535             push(@out_msg_l, $new_ldap_config_out);
536     }
538     # Send client hardware configuration
539         my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
540         if( $hardware_config_out ) {
541                 push(@out_msg_l, $hardware_config_out);
542         }
544     # Send client ntp server
545     my $ntp_config_out = &new_ntp_config($mac_address, $session_id);
546     if ($ntp_config_out) {
547         push(@out_msg_l, $ntp_config_out);
548     }
550     # Send client syslog server
551     my $syslog_config_out = &new_syslog_config($mac_address, $session_id);
552     if ($syslog_config_out) {
553         push(@out_msg_l, $syslog_config_out);
554     }
556     # update ldap entry if exists
557     my $ldap_handle= &main::get_ldap_handle();
558     my $ldap_res= $ldap_handle->search(
559                 base   => $ldap_base,
560                 scope  => 'sub',
561                 #attrs => ['ipHostNumber'],
562                 filter => "(&(objectClass=GOhard)(macAddress=$mac_address))");
563     if($ldap_res->code) {
564             &main::daemon_log("$session_id ERROR: LDAP Entry for client with mac address $mac_address not found: ".$ldap_res->error, 1);
565     } elsif ($ldap_res->count != 1) {
566             &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not updating ldap entry".
567                             "\n\tbase: $ldap_base".
568                             "\n\tscope: sub".
569                             "\n\tattrs: ipHostNumber".
570                             "\n\tfilter: (&(objectClass=GOhard)(macaddress=$mac_address))", 1);
571     } else {
572             my $entry= $ldap_res->pop_entry();
573             my $ip_address= $entry->get_value('ipHostNumber');
574             my $source_ip= ($1) if $source =~ /^([0-9\.]*?):[0-9]*$/;
575             if(not defined($ip_address) and defined($source_ip)) {
576                 $entry->add( 'ipHostNumber' => $source_ip );
577                 my $mesg= $entry->update($ldap_handle);
578                 $mesg->code && &main::daemon_log("$session_id ERROR: Updating IP Address for client with mac address $mac_address failed with '".$mesg->mesg()."'", 1);
579             } elsif(defined($source_ip) and not ($source_ip eq $ip_address)) {
580                 $entry->replace( 'ipHostNumber' => $source_ip );
581                 my $mesg= $entry->update($ldap_handle);
582                 $mesg->code && &main::daemon_log("$session_id ERROR: Updating IP Address for client with mac address $mac_address failed with '".$mesg->mesg()."'", 1);
583             } elsif (not defined($source_ip)) {
584                 &main::daemon_log("ERROR: Could not parse source value '$source' perhaps not an ip address?", 1);
585             }
586     }
587     &main::release_ldap_handle($ldap_handle);
589     # notify registered client to all other server
590     my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
591     my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
592     push(@out_msg_l, $mymsg);
594     &main::daemon_log("$session_id INFO: register client $source ($mac_address), $client_status - $client_revision", 5);
595     return @out_msg_l;
599 #===  FUNCTION  ================================================================
600 #         NAME:  who_has
601 #   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
602 #      RETURNS:  nothing 
603 #  DESCRIPTION:  process this incoming message
604 #===============================================================================
605 sub who_has {
606     my ($msg_hash) = @_ ;
607     my @out_msg_l;
608     
609     # what is your search pattern
610     my $search_pattern = @{$msg_hash->{who_has}}[0];
611     my $search_element = @{$msg_hash->{$search_pattern}}[0];
612     #&main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
614     # scanning known_clients for search_pattern
615     my @host_addresses = keys %$main::known_clients;
616     my $known_clients_entries = length @host_addresses;
617     my $host_address;
618     foreach my $host (@host_addresses) {
619         my $client_element = $main::known_clients->{$host}->{$search_pattern};
620         if ($search_element eq $client_element) {
621             $host_address = $host;
622             last;
623         }
624     }
625         
626     # search was successful
627     if (defined $host_address) {
628         my $source = @{$msg_hash->{source}}[0];
629         my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
630         &add_content2xml_hash($out_hash, "mac_address", $search_element);
631         my $out_msg = &create_xml_string($out_hash);
632         push(@out_msg_l, $out_msg);
633     }
634     return @out_msg_l;
638 sub who_has_i_do {
639     my ($msg_hash) = @_ ;
640     my $header = @{$msg_hash->{header}}[0];
641     my $source = @{$msg_hash->{source}}[0];
642     my $search_param = @{$msg_hash->{$header}}[0];
643     my $search_value = @{$msg_hash->{$search_param}}[0];
644     print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
648 sub new_syslog_config {
649     my ($mac_address, $session_id) = @_;
650     my $syslog_msg;
651     my $ldap_handle=&main::get_ldap_handle();
653         # Perform search
654     my $ldap_res = $ldap_handle->search( base   => $ldap_base,
655                 scope  => 'sub',
656                 attrs => ['gotoSyslogServer'],
657                 filter => "(&(objectClass=GOhard)(macaddress=$mac_address))");
658         if($ldap_res->code) {
659                 &main::daemon_log("$session_id ERROR: new_syslog_config: ldap search: ".$ldap_res->error, 1);
660         &main::release_ldap_handle($ldap_handle);
661                 return;
662         }
664         # Sanity check
665         if ($ldap_res->count != 1) {
666                 &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
667                 "\n\tbase: $ldap_base".
668                 "\n\tscope: sub".
669                 "\n\tattrs: gotoSyslogServer".
670                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$mac_address))", 1);
671         &main::release_ldap_handle($ldap_handle);
672                 return;
673         }
675         my $entry= $ldap_res->entry(0);
676     my $filter_dn = &Net::LDAP::Util::escape_filter_value($entry->dn);
677         my $syslog_server = $entry->get_value("gotoSyslogServer");
679     # If no syslog server is specified at host, just have a look at the object group of the host
680     # Perform object group search
681     if (not defined $syslog_server) {
682         my $ldap_res = $ldap_handle->search( base   => $ldap_base,
683                 scope  => 'sub',
684                 attrs => ['gotoSyslogServer'],
685                 filter => "(&(gosaGroupObjects=[W])(objectClass=gosaGroupOfNames)(member=$filter_dn))");
686         if($ldap_res->code) {
687             &main::daemon_log("$session_id ERROR: new_syslog_config: ldap search: ".$ldap_res->error, 1);
688             &main::release_ldap_handle($ldap_handle);
689             return;
690         }
692         # Sanity check
693         if ($ldap_res->count != 1) {
694             &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
695                     "\n\tbase: $ldap_base".
696                     "\n\tscope: sub".
697                     "\n\tattrs: gotoSyslogServer".
698                     "\n\tfilter: (&(gosaGroupObjects=[W])(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
699             &main::release_ldap_handle($ldap_handle);
700             return;
701         }
703         my $entry= $ldap_res->entry(0);
704         $syslog_server= $entry->get_value("gotoSyslogServer");
705     }
707     # Return if no syslog server specified
708     if (not defined $syslog_server) {
709         &main::daemon_log("$session_id WARNING: no syslog server specified for this host '$mac_address'", 3);
710         &main::release_ldap_handle($ldap_handle);
711         return;
712     }
714  
715     # Add syslog server to 'syslog_config' message
716     my $syslog_msg_hash = &create_xml_hash("new_syslog_config", $server_address, $mac_address);
717     &add_content2xml_hash($syslog_msg_hash, "server", $syslog_server);
719     &main::release_ldap_handle($ldap_handle);
720     return &create_xml_string($syslog_msg_hash);
724 sub new_ntp_config {
725     my ($address, $session_id) = @_;
726     my $ntp_msg;
727     my $ldap_handle=&main::get_ldap_handle();
729         # Perform search
730     my $ldap_res = $ldap_handle->search( base   => $ldap_base,
731                 scope  => 'sub',
732                 attrs => ['gotoNtpServer'],
733                 filter => "(&(objectClass=GOhard)(macaddress=$address))");
734         if($ldap_res->code) {
735                 &main::daemon_log("$session_id ERROR: new_ntp_config: ldap search: ".$ldap_res->error, 1);
736         &main::release_ldap_handle($ldap_handle);
737                 return;
738         }
740         # Sanity check
741         if ($ldap_res->count != 1) {
742                 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
743                 "\n\tbase: $ldap_base".
744                 "\n\tscope: sub".
745                 "\n\tattrs: gotoNtpServer".
746                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$address))", 1);
747         &main::release_ldap_handle($ldap_handle);
748                 return;
749         }
751         my $entry= $ldap_res->entry(0);
752     my $filter_dn = &Net::LDAP::Util::escape_filter_value($entry->dn);
753         my @ntp_servers= $entry->get_value("gotoNtpServer");
755     # If no ntp server is specified at host, just have a look at the object group of the host
756     # Perform object group search
757     if ((not @ntp_servers) || (@ntp_servers == 0)) {
758         my $ldap_res = $ldap_handle->search( base   => $ldap_base,
759                 scope  => 'sub',
760                 attrs => ['gotoNtpServer'],
761                 filter => "(&(gosaGroupObjects=[W])(objectClass=gosaGroupOfNames)(member=$filter_dn))");
762         if($ldap_res->code) {
763             &main::daemon_log("$session_id ERROR: new_ntp_config: ldap search: ".$ldap_res->error, 1);
764             &main::release_ldap_handle($ldap_handle);
765             return;
766         }
768         # Sanity check
769         if ($ldap_res->count != 1) {
770             &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
771                     "\n\tbase: $ldap_base".
772                     "\n\tscope: sub".
773                     "\n\tattrs: gotoNtpServer".
774                     "\n\tfilter: (&(gosaGroupObjects=[W])(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
775             &main::release_ldap_handle($ldap_handle);
776             return;
777         }
779         my $entry= $ldap_res->entry(0);
780         @ntp_servers= $entry->get_value("gotoNtpServer");
781     }
783     # Return if no ntp server specified
784     if ((not @ntp_servers) || (@ntp_servers == 0)) {
785         &main::daemon_log("$session_id WARNING: no ntp server specified for this host '$address'", 3);
786         &main::release_ldap_handle($ldap_handle);
787         return;
788     }
789  
790     # Add each ntp server to 'ntp_config' message
791     my $ntp_msg_hash = &create_xml_hash("new_ntp_config", $server_address, $address);
792     foreach my $ntp_server (@ntp_servers) {
793         &add_content2xml_hash($ntp_msg_hash, "server", $ntp_server);
794     }
796     &main::release_ldap_handle($ldap_handle);
797     return &create_xml_string($ntp_msg_hash);
801 #===  FUNCTION  ================================================================
802 #         NAME:  new_ldap_config
803 #   PARAMETERS:  address - string - ip address and port of a host
804 #      RETURNS:  gosa-si conform message
805 #  DESCRIPTION:  send to address the ldap configuration found for dn gotoLdapServer
806 #===============================================================================
807 sub new_ldap_config {
808         my ($address, $session_id) = @_ ;
810         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
811         my $res = $main::known_clients_db->select_dbentry( $sql_statement );
813         # check hit
814         my $hit_counter = keys %{$res};
815         if( not $hit_counter == 1 ) {
816                 &main::daemon_log("$session_id ERROR: new_ldap_config: more or no hit found in known_clients_db by query '$sql_statement'", 1);
817         return;
818         }
820     $address = $res->{1}->{hostname};
821         my $macaddress = $res->{1}->{macaddress};
822         my $hostkey = $res->{1}->{hostkey};
823         
824         if (not defined $macaddress) {
825                 &main::daemon_log("$session_id ERROR: new_ldap_config: no mac address found for client $address", 1);
826                 return;
827         }
829         # Perform search
830     my $ldap_handle=&main::get_ldap_handle();
831     $mesg = $ldap_handle->search( base   => $ldap_base,
832                 scope  => 'sub',
833                 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
834                 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
835         if($mesg->code) {
836                 &main::daemon_log("$session_id ERROR: new_ldap_config: ldap search: ".$mesg->error, 1);
837         &main::release_ldap_handle($ldap_handle);
838                 return;
839         }
841         # Sanity check
842         if ($mesg->count != 1) {
843                 &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
844                 "\n\tbase: $ldap_base".
845                 "\n\tscope: sub".
846                 "\n\tattrs: dn, gotoLdapServer".
847                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
848         &main::release_ldap_handle($ldap_handle);
849                 return;
850         }
852         my $entry= $mesg->entry(0);
853         my $filter_dn= &Net::LDAP::Util::escape_filter_value($entry->dn);
854         my @servers= $entry->get_value("gotoLdapServer");
855         my $unit_tag= $entry->get_value("gosaUnitTag");
856         my @ldap_uris;
857         my $server;
858         my $base;
859         my $release;
860     my $dn= $entry->dn;
862         # Fill release if available
863         my $FAIclass= $entry->get_value("FAIclass");
864         if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
865                 $release= $1;
866         }
868         # Do we need to look at an object class?
869         if (not @servers){
870                 $mesg = $ldap_handle->search( base   => $ldap_base,
871                         scope  => 'sub',
872                         attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
873                         filter => "(&(gosaGroupObjects=[W])(objectClass=gosaGroupOfNames)(member=$filter_dn))");
874                 if($mesg->code) {
875                         &main::daemon_log("$session_id ERROR: new_ldap_config: unable to search for '(&(objectClass=gosaGroupOfNames)(member=$filter_dn))': ".$mesg->error, 1);
876             &main::release_ldap_handle($ldap_handle);
877                         return;
878                 }
880                 # Sanity check
881         if ($mesg->count != 1) {
882             &main::daemon_log("$session_id ERROR: new_ldap_config: client with mac address $macaddress not found/unique/active - not sending ldap config".
883                     "\n\tbase: $ldap_base".
884                     "\n\tscope: sub".
885                     "\n\tattrs: dn, gotoLdapServer, FAIclass".
886                     "\n\tfilter: (&(gosaGroupObjects=[W])(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
887             &main::release_ldap_handle($ldap_handle);
888             return;
889         }
891                 $entry= $mesg->entry(0);
892                 $dn= $entry->dn;
893                 @servers= $entry->get_value("gotoLdapServer");
895                 if (not defined $release){
896                         $FAIclass= $entry->get_value("FAIclass");
897                         if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
898                                 $release= $1;
899                         }
900                 }
901         }
903         @servers= sort (@servers);
905     # complain if no ldap information found
906     if (@servers == 0) {
907         &main::daemon_log("$session_id ERROR: no gotoLdapServer information for LDAP entry '$dn'", 1);
908     }
910         foreach $server (@servers){
911                 # Conversation for backward compatibility
912                 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
913                     if ($server =~ /^([^:]+):([^:]+)$/ ) {
914                       $server= "1:dummy:ldap://$1/$2";
915                     } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
916                       $server= "$1:dummy:ldap://$2/$3";
917                     }
918                 }
920                 $base= $server;
921                 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
922                 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
923                 push (@ldap_uris, $server);
924         }
926         # Assemble data package
927         my %data = ( 'ldap_uri'  => \@ldap_uris, 'ldap_base' => $base,
928                 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
929         if (defined $release){
930                 $data{'release'}= $release;
931         }
933         # Need to append GOto settings?
934         if (defined $goto_admin and defined $goto_secret){
935                 $data{'goto_admin'}= $goto_admin;
936                 $data{'goto_secret'}= $goto_secret;
937         }
939         # Append unit tag if needed
940         if (defined $unit_tag){
942                 # Find admin base and department name
943                 $mesg = $ldap_handle->search( base   => $ldap_base,
944                         scope  => 'sub',
945                         attrs => ['dn', 'ou'],
946                         filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
947                 #$mesg->code && die $mesg->error;
948                 if($mesg->code) {
949                         &main::daemon_log("$session_id ERROR: new_ldap_config: ldap search: ".$mesg->error, 1);
950             &main::release_ldap_handle($ldap_handle);
951                         return "error-unit-tag-count-0";
952                 }
954                 # Sanity check
955                 if ($mesg->count != 1) {
956                         &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 3);
957             &main::release_ldap_handle($ldap_handle);
958                         return "error-unit-tag-count-".$mesg->count;
959                 }
961                 $entry= $mesg->entry(0);
962                 $data{'admin_base'}= $entry->dn;
963                 $data{'department'}= $entry->get_value("ou");
965                 # Append unit Tag
966                 $data{'unit_tag'}= $unit_tag;
967         }
968     &main::release_ldap_handle($ldap_handle);
970         # Send information
971         return &build_msg("new_ldap_config", $server_address, $address, \%data);
975 #===  FUNCTION  ================================================================
976 #         NAME:  hardware_config
977 #   PARAMETERS:  address - string - ip address and port of a host
978 #      RETURNS:  
979 #  DESCRIPTION:  
980 #===============================================================================
981 sub hardware_config {
982         my ($msg, $msg_hash, $session_id) = @_ ;
983         my $address = @{$msg_hash->{source}}[0];
984         my $header = @{$msg_hash->{header}}[0];
985         my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
987         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
988         my $res = $main::known_clients_db->select_dbentry( $sql_statement );
990         # check hit
991         my $hit_counter = keys %{$res};
992         if( not $hit_counter == 1 ) {
993                 &main::daemon_log("$session_id ERROR: hardware_config: more or no hit found in known_clients_db by query by '$address'", 1);
994         }
995         my $macaddress = $res->{1}->{macaddress};
996         my $hostkey = $res->{1}->{hostkey};
998         if (not defined $macaddress) {
999                 &main::daemon_log("$session_id ERROR: hardware_config: no mac address found for client $address", 1);
1000                 return;
1001         }
1003         # Perform search
1004     my $ldap_handle=&main::get_ldap_handle();
1005         $mesg = $ldap_handle->search(
1006                 base   => $ldap_base,
1007                 scope  => 'sub',
1008                 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
1009         );
1011         if($mesg->count() == 0) {
1012                 &main::daemon_log("$session_id INFO: Host was not found in LDAP!", 5);
1014                 # set status = hardware_detection at jobqueue if entry exists
1015                 # TODO
1016                 # resolve plain name for host
1017                 my $func_dic = {table=>$main::job_queue_tn,
1018                                 primkey=>['macaddress', 'headertag'],
1019                                 timestamp=>&get_time,
1020                                 status=>'processing',
1021                                 result=>'none',
1022                                 progress=>'hardware-detection',
1023                                 headertag=>'trigger_action_reinstall',
1024                                 targettag=>$address,
1025                                 xmlmessage=>'none',
1026                                 macaddress=>$macaddress,
1027                                 plainname=>'none',
1028                 siserver=>'localhost',
1029                 modified=>'1',
1030                 };
1031                 my $hd_res = $main::job_db->add_dbentry($func_dic);
1032                 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
1033         
1034         } else {
1035                 my $entry= $mesg->entry(0);
1036                 if (defined($entry->get_value("gotoHardwareChecksum"))) {
1037                         if (! ($entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum)) {
1038                                 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
1039                                 if($entry->update($ldap_handle)) {
1040                                         &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
1041                                 }
1042                         } else {
1043                                 # Nothing to do
1044                 &main::release_ldap_handle($ldap_handle);
1045                                 return;
1046                         }
1047                 } 
1048         } 
1050         # Assemble data package
1051         my %data = ();
1053         # Need to append GOto settings?
1054         if (defined $goto_admin and defined $goto_secret){
1055                 $data{'goto_admin'}= $goto_admin;
1056                 $data{'goto_secret'}= $goto_secret;
1057         }
1059     &main::release_ldap_handle($ldap_handle);
1061         # Send information
1062         return &build_msg("detect_hardware", $server_address, $address, \%data);
1065 sub server_matches {
1066     my ($target, $session_id) = @_ ;
1067         my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
1068         if(!defined($target_ip) or length($target_ip) == 0) {
1069                 return;
1070         }
1072         my $result = 0;
1074         if($server_ip eq $target_ip) {
1075                 $result= 1;
1076         } elsif ($target_ip eq "0.0.0.0") {
1077                 $result= 1;
1078         } elsif ($server_ip eq "0.0.0.0") {     
1079                 if ($target_ip eq "127.0.0.1") {
1080                         $result= 1;
1081                 } else {
1082                         my $PROC_NET_ROUTE= ('/proc/net/route');
1084                         open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
1085                                 or die "Could not open $PROC_NET_ROUTE";
1087                         my @ifs = <PROC_NET_ROUTE>;
1089                         close(PROC_NET_ROUTE);
1091                         # Eat header line
1092                         shift @ifs;
1093                         chomp @ifs;
1094                         foreach my $line(@ifs) {
1095                                 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
1096                                 my $destination;
1097                                 my $mask;
1098                                 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
1099                                 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1100                                 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
1101                                 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1102                                 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
1103                                         # destination matches route, save mac and exit
1104                                         $result= 1;
1105                                         last;
1106                                 }
1107                         }
1108                 }
1109         } else {
1110                 &main::daemon_log("$session_id INFO: Target ip $target_ip does not match Server ip $server_ip",5);
1111         }
1113         return $result;
1116 # vim:ts=4:shiftwidth:expandtab
1117 1;