Code

270cda8ab5f41333eaf85f8ff3a017fa960802c6
[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, $server_interface);
27 #my ($bus_activ, $bus_key, $bus_ip, $bus_port);
28 my $server;
29 my $network_interface;
30 #my $no_bus;
31 my (@ldap_cfg, @pam_cfg, @nss_cfg, $goto_admin, $goto_secret);
32 my $mesg;
34 my %cfg_defaults = (
35 "server" => {
36     "ip" => [\$server_ip, "0.0.0.0"],
37     "mac-address" => [\$main::server_mac_address, "00:00:00:00:00"],
38     "port" => [\$server_port, "20081"],
39     "ldap-uri" => [\$ldap_uri, ""],
40     "ldap-base" => [\$ldap_base, ""],
41     "ldap-admin-dn" => [\$ldap_admin_dn, ""],
42     "ldap-admin-password" => [\$ldap_admin_password, ""],
43     "max-clients" => [\$max_clients, 100],
44     },
45 "ClientPackages" => {
46     "key" => [\$ClientPackages_key, ""],
47     },
48 );
50 ### START #####################################################################
52 # read configfile and import variables
53 &local_read_configfile();
56 # if server_ip is not an ip address but a name
57 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); } 
58 $network_interface= &get_interface_for_ip($server_ip);
59 $main::server_mac_address= &get_mac($network_interface);
62 # import local events
63 my ($error, $result, $event_hash) = &import_events($event_dir);
65 foreach my $log_line (@$result) {
66     if ($log_line =~ / succeed: /) {
67         &main::daemon_log("0 DEBUG: ClientPackages - $log_line", 7);
68     } else {
69         &main::daemon_log("0 ERROR: ClientPackages - $log_line", 1);
70     }
71 }
73 # Unit tag can be defined in config
74 if((not defined($main::gosa_unit_tag)) || length($main::gosa_unit_tag) == 0) {
75         # Read gosaUnitTag from LDAP
76         
77     my $ldap_handle = &main::get_ldap_handle(); 
78     if( defined($ldap_handle) ) {
79                 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with mac address $main::server_mac_address",5);
80                 # Perform search for Unit Tag
81                 $mesg = $ldap_handle->search(
82                         base   => $ldap_base,
83                         scope  => 'sub',
84                         attrs  => ['gosaUnitTag'],
85                         filter => "(macaddress=$main::server_mac_address)"
86                 );
88                 if ((! $main::server_mac_address eq "00:00:00:00:00:00") and $mesg->count == 1) {
89                         my $entry= $mesg->entry(0);
90                         my $unit_tag= $entry->get_value("gosaUnitTag");
91                         $main::ldap_server_dn= $mesg->entry(0)->dn;
92                         if(defined($unit_tag) && length($unit_tag) > 0) {
93                                 &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
94                                 $main::gosa_unit_tag= $unit_tag;
95                         }
96                 } else {
97                         # Perform another search for Unit Tag
98                         my $hostname= `hostname -f`;
99                         chomp($hostname);
100                         &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
101                         $mesg = $ldap_handle->search(
102                                 base   => $ldap_base,
103                                 scope  => 'sub',
104                                 attrs  => ['gosaUnitTag'],
105                                 filter => "(&(cn=$hostname)(objectClass=goServer))"
106                         );
107                         if ($mesg->count == 1) {
108                                 my $entry= $mesg->entry(0);
109                                 my $unit_tag= $entry->get_value("gosaUnitTag");
110                                 $main::ldap_server_dn= $mesg->entry(0)->dn;
111                                 if(defined($unit_tag) && length($unit_tag) > 0) {
112                                         &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
113                                         $main::gosa_unit_tag= $unit_tag;
114                                 }
115                         } else {
116                                 # Perform another search for Unit Tag
117                                 $hostname= `hostname -s`;
118                                 chomp($hostname);
119                                 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
120                                 $mesg = $ldap_handle->search(
121                                         base   => $ldap_base,
122                                         scope  => 'sub',
123                                         attrs  => ['gosaUnitTag'],
124                                         filter => "(&(cn=$hostname)(objectClass=goServer))"
125                                 );
126                                 if ($mesg->count == 1) {
127                                         my $entry= $mesg->entry(0);
128                                         my $unit_tag= $entry->get_value("gosaUnitTag");
129                                         $main::ldap_server_dn= $mesg->entry(0)->dn;
130                                         if(defined($unit_tag) && length($unit_tag) > 0) {
131                                                 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
132                                                 $main::gosa_unit_tag= $unit_tag;
133                                         }
134                                 } else {
135                                         &main::daemon_log("0 WARNING: No gosaUnitTag detected. Not using gosaUnitTag", 3);
136                                 }
137                         }
138                 }
139         } else {
140                 &main::daemon_log("0 INFO: Using gosaUnitTag from config-file: $main::gosa_unit_tag",5);
141         }
145 my $server_address = "$server_ip:$server_port";
146 $main::server_address = $server_address;
149 ### functions #################################################################
152 sub get_module_info {
153     my @info = ($server_address,
154                 $ClientPackages_key,
155                 );
156     return \@info;
160 #===  FUNCTION  ================================================================
161 #         NAME:  local_read_configfile
162 #   PARAMETERS:  cfg_file - string -
163 #      RETURNS:  nothing
164 #  DESCRIPTION:  read cfg_file and set variables
165 #===============================================================================
166 sub local_read_configfile {
167     my $cfg;
168     if( defined( $main::cfg_file) && ( (-s $main::cfg_file) > 0 )) {
169         if( -r $main::cfg_file ) {
170             $cfg = Config::IniFiles->new( -file => $main::cfg_file );
171         } else {
172             print STDERR "Couldn't read config file!";
173         }
174     } else {
175         $cfg = Config::IniFiles->new() ;
176     }
177     foreach my $section (keys %cfg_defaults) {
178         foreach my $param (keys %{$cfg_defaults{ $section }}) {
179             my $pinfo = $cfg_defaults{ $section }{ $param };
180             ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
181         }
182     }
184     # Read non predefined sections
185     my $param;
186     if ($cfg->SectionExists('ldap')){
187                 foreach $param ($cfg->Parameters('ldap')){
188                         push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
189                 }
190     }
191     if ($cfg->SectionExists('pam_ldap')){
192                 foreach $param ($cfg->Parameters('pam_ldap')){
193                         push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
194                 }
195     }
196     if ($cfg->SectionExists('nss_ldap')){
197                 foreach $param ($cfg->Parameters('nss_ldap')){
198                         push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
199                 }
200     }
201     if ($cfg->SectionExists('goto')){
202         $goto_admin= $cfg->val('goto', 'terminal_admin');
203         $goto_secret= $cfg->val('goto', 'terminal_secret');
204     } else {
205         $goto_admin= undef;
206         $goto_secret= undef;
207     }
212 #===  FUNCTION  ================================================================
213 #         NAME:  get_mac 
214 #   PARAMETERS:  interface name (i.e. eth0)
215 #      RETURNS:  (mac address) 
216 #  DESCRIPTION:  Uses ioctl to get mac address directly from system.
217 #===============================================================================
218 sub get_mac {
219         my $ifreq= shift;
220         my $result;
221         if ($ifreq && length($ifreq) > 0) { 
222                 if($ifreq eq "all") {
223                         $result = "00:00:00:00:00:00";
224                 } else {
225                         my $SIOCGIFHWADDR= 0x8927;     # man 2 ioctl_list
227                         # A configured MAC Address should always override a guessed value
228                         if ($main::server_mac_address and length($main::server_mac_address) > 0) {
229                                 $result= $main::server_mac_address;
230                         }
232                         socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
233                                 or die "socket: $!";
235                         if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
236                                 my ($if, $mac)= unpack 'h36 H12', $ifreq;
238                                 if (length($mac) > 0) {
239                                         $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
240                                         $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
241                                         $result = $mac;
242                                 }
243                         }
244                 }
245         }
246         return $result;
250 #===  FUNCTION  ================================================================
251 #         NAME:  process_incoming_msg
252 #   PARAMETERS:  crypted_msg - string - incoming crypted message
253 #      RETURNS:  nothing
254 #  DESCRIPTION:  handels the proceeded distribution to the appropriated functions
255 #===============================================================================
256 sub process_incoming_msg {
257     my ($msg, $msg_hash, $session_id) = @_ ;
258     my $error = 0;
259     my $host_name;
260     my $host_key;
261     my @out_msg_l = ("nohandler");
262     my $sql_events;
264     # process incoming msg
265     my $header = @{$msg_hash->{header}}[0]; 
266     my $source = @{$msg_hash->{source}}[0]; 
267     my @target_l = @{$msg_hash->{target}};
269     # skip PREFIX
270     $header =~ s/^CLMSG_//;
272     &main::daemon_log("$session_id DEBUG: ClientPackages: msg to process: $header", 7);
274     if( 0 == length @target_l){     
275         &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
276         $error++;
277     }
279     if( 1 == length @target_l) {
280         my $target = $target_l[0];
281                 if(&server_matches($target)) {
282             if ($header eq 'new_key') {
283                 @out_msg_l = &new_key($msg_hash)
284             } elsif ($header eq 'here_i_am') {
285                 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id)
286             } else {
287                 # a event exists with the header as name
288                 if( exists $event_hash->{$header} ) {
289                     &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
290                     no strict 'refs';
291                     @out_msg_l = &{$event_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
293                 # if no event handler is implemented   
294                 } else {
295                     $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$source') OR (hostname='$source') )"; 
296                     my $res = $main::known_clients_db->select_dbentry( $sql_events );
297                     my $l = keys(%$res);
299                     # set error if no or more than 1 hits are found for sql query
300                     if ( $l != 1) {
301                         @out_msg_l = ('knownclienterror');
303                     # found exact 1 hit in db
304                     } else {
305                         my $client_events = $res->{'1'}->{'events'};
307                         # client is registered for this event, deliver this message to client
308                         $header =~ s/^answer_//;
309                         if ($client_events =~ /,$header,/) {
310                             # answer message finally arrived destination server, so forward messages to GOsa
311                             if ($target eq $main::server_address) {        
312                                 $msg =~ s/<header>answer_/<header>/;
313                                 $msg =~ s/<target>\S+<\/target>/<target>GOSA<\/target>/;
314                             }
315                             @out_msg_l = ( $msg );
317                         # client is not registered for this event, set error
318                         } else {
319                             @out_msg_l = ('noeventerror');
320                         }
321                     }
322                 }
323             }
325             # if delivery not possible raise error and return 
326             if( not defined $out_msg_l[0] ) {
327                 @out_msg_l = ();
328             } elsif( $out_msg_l[0] eq 'nohandler') {
329                 &main::daemon_log("$session_id ERROR: ClientPackages: no event handler or core function defined for '$header'", 1);
330                 @out_msg_l = ();
331             }  elsif ($out_msg_l[0] eq 'knownclienterror') {
332                 &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
333                 &main::daemon_log("$session_id ERROR: processing is aborted and message will not be forwarded", 1);
334                 @out_msg_l = ();
335             } elsif ($out_msg_l[0] eq 'noeventerror') {
336                 &main::daemon_log("$session_id ERROR: client '$target' is not registered for event '$header', processing is aborted", 1); 
337                 @out_msg_l = ();
338             }
343         }
344                 else {
345                         &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
346                         push(@out_msg_l, $msg);
347                 }
348     }
350     return \@out_msg_l;
354 #===  FUNCTION  ================================================================
355 #         NAME:  new_passwd
356 #   PARAMETERS:  msg_hash - ref - hash from function create_xml_hash
357 #      RETURNS:  nothing
358 #  DESCRIPTION:  process this incoming message
359 #===============================================================================
360 sub new_key {
361     my ($msg_hash) = @_;
362     my @out_msg_l;
363     
364     my $header = @{$msg_hash->{header}}[0];
365     my $source_name = @{$msg_hash->{source}}[0];
366     my $source_key = @{$msg_hash->{new_key}}[0];
367     my $query_res;
369     # check known_clients_db
370     my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
371     $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
372     if( 1 == keys %{$query_res} ) {
373         my $act_time = &get_time;
374         my $sql_statement= "UPDATE known_clients ".
375             "SET hostkey='$source_key', timestamp='$act_time' ".
376             "WHERE hostname='$source_name'";
377         my $res = $main::known_clients_db->update_dbentry( $sql_statement );
378         my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
379         my $out_msg = &create_xml_string($hash);
380         push(@out_msg_l, $out_msg);
381     }
383     # only do if host still not found
384     if( 0 == @out_msg_l ) {
385         # check known_server_db
386         $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
387         $query_res = $main::known_server_db->select_dbentry( $sql_statement );
388         if( 1 == keys %{$query_res} ) {
389             my $act_time = &get_time;
390             my $sql_statement= "UPDATE known_server ".
391                 "SET hostkey='$source_key', timestamp='$act_time' ".
392                 "WHERE hostname='$source_name'";
393             my $res = $main::known_server_db->update_dbentry( $sql_statement );
395             my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
396             my $out_msg = &create_xml_string($hash);
397             push(@out_msg_l, $out_msg);
398         }
399     }
401     return @out_msg_l;
405 #===  FUNCTION  ================================================================
406 #         NAME:  here_i_am
407 #   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
408 #      RETURNS:  nothing
409 #  DESCRIPTION:  process this incoming message
410 #===============================================================================
411 sub here_i_am {
412     my ($msg, $msg_hash, $session_id) = @_;
413     my @out_msg_l;
414     my $out_hash;
415     my $source = @{$msg_hash->{source}}[0];
416     my $mac_address = @{$msg_hash->{mac_address}}[0];
417         my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
418     my $client_status = @{$msg_hash->{client_status}}[0];
419     my $client_revision = @{$msg_hash->{client_revision}}[0];
420     my $key_lifetime = @{$msg_hash->{key_lifetime}}[0];
422     # Move forced hostname to heap - if used
423     #FIXME: move to some global POE namespace - please
424     if ( defined($msg_hash->{'force-hostname'}[0]) &&
425        length($msg_hash->{'force-hostname'}[0]) > 0){
426     #      $heap->{force-hostname}->{$mac_address}= $msg_hash->{'force-hostname'}[0];
427             open (TFILE, ">/var/tmp/$mac_address");
428             print TFILE $msg_hash->{'force-hostname'}[0];
429             close (TFILE); 
430     } else {
431     #      $heap->{force-hostname}->{$mac_address}= undef;
432         if ( -e "/var/tmp/$mac_address") {
433                 unlink("/var/tmp/$mac_address")
434         }; 
435     }
437     # number of known clients
438     my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
440     # check wether client address or mac address is already known
441     my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
442     my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
443     
444     if ( 1 == keys %{$db_res} ) {
445         &main::daemon_log("$session_id WARNING: $source is already known as a client", 1);
446         &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 1);   
447         $nu_clients --;
448     }
450     # number of actual activ clients
451     my $act_nu_clients = $nu_clients;
453     &main::daemon_log("$session_id INFO: number of actual activ clients: $act_nu_clients", 5);
454     &main::daemon_log("$session_id INFO: number of maximal allowed clients: $max_clients", 5);
456     if($max_clients <= $act_nu_clients) {
457         my $out_hash = &create_xml_hash("denied", $server_address, $source);
458         &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
459         my $passwd = @{$msg_hash->{new_passwd}}[0]; 
460         &send_msg_hash2address($out_hash, $source, $passwd);
461         return;
462     }
463     
464     # new client accepted
465     my $new_passwd = @{$msg_hash->{new_passwd}}[0];
467     # add entry to known_clients_db
468     my $events = @{$msg_hash->{events}}[0];
469     my $act_timestamp = &get_time;
470     my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients', 
471                                                 primkey=>['hostname'],
472                                                 hostname=>$source,
473                                                 events=>$events,
474                                                 macaddress=>$mac_address,
475                                                 status=>'registered',
476                                                 hostkey=>$new_passwd,
477                                                 timestamp=>$act_timestamp,
478                                                 keylifetime=>$key_lifetime,
479                                                 } );
481     if ($res != 0)  {
482         &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res");
483         return;
484     }
485     
486     # return acknowledgement to client
487     $out_hash = &create_xml_hash("registered", $server_address, $source);
490     # give the new client his ldap config
491     # Workaround: Send within the registration response, if the client will get an ldap config later
492         my $new_ldap_config_out = &new_ldap_config($source, $session_id);
493         if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
494                 &add_content2xml_hash($out_hash, "ldap_available", "true");
495         } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
496                 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
498                 my $sql_statement = "UPDATE $main::job_queue_tn ".
499                 "SET status='error', result='$new_ldap_config_out' ".
500                 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
501                 my $res = $main::job_db->update_dbentry($sql_statement);
502                 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);         
503         }
504     my $register_out = &create_xml_string($out_hash);
505     push(@out_msg_l, $register_out);
507     # Really send the ldap config
508     if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
509             push(@out_msg_l, $new_ldap_config_out);
510     }
512     # Send client hardware configuration
513         my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
514         if( $hardware_config_out ) {
515                 push(@out_msg_l, $hardware_config_out);
516         }
518     # Send client ntp server
520     my $ntp_config_out = &new_ntp_config($mac_address, $session_id);
521     if ($ntp_config_out) {
522         push(@out_msg_l, $ntp_config_out);
523     }
525     # notify registered client to all other server
526     my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
527     my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
528     push(@out_msg_l, $mymsg);
530     &main::daemon_log("$session_id INFO: register client $source ($mac_address)", 5);
531     &main::daemon_log("$session_id INFO: client version: $client_status - $client_revision", 5); 
532     return @out_msg_l;
536 #===  FUNCTION  ================================================================
537 #         NAME:  who_has
538 #   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
539 #      RETURNS:  nothing 
540 #  DESCRIPTION:  process this incoming message
541 #===============================================================================
542 sub who_has {
543     my ($msg_hash) = @_ ;
544     my @out_msg_l;
545     
546     # what is your search pattern
547     my $search_pattern = @{$msg_hash->{who_has}}[0];
548     my $search_element = @{$msg_hash->{$search_pattern}}[0];
549     &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
551     # scanning known_clients for search_pattern
552     my @host_addresses = keys %$main::known_clients;
553     my $known_clients_entries = length @host_addresses;
554     my $host_address;
555     foreach my $host (@host_addresses) {
556         my $client_element = $main::known_clients->{$host}->{$search_pattern};
557         if ($search_element eq $client_element) {
558             $host_address = $host;
559             last;
560         }
561     }
562         
563     # search was successful
564     if (defined $host_address) {
565         my $source = @{$msg_hash->{source}}[0];
566         my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
567         &add_content2xml_hash($out_hash, "mac_address", $search_element);
568         my $out_msg = &create_xml_string($out_hash);
569         push(@out_msg_l, $out_msg);
570     }
571     return @out_msg_l;
575 sub who_has_i_do {
576     my ($msg_hash) = @_ ;
577     my $header = @{$msg_hash->{header}}[0];
578     my $source = @{$msg_hash->{source}}[0];
579     my $search_param = @{$msg_hash->{$header}}[0];
580     my $search_value = @{$msg_hash->{$search_param}}[0];
581     print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
585 sub new_ntp_config {
586     my ($address, $session_id) = @_;
587     my $ntp_msg;
589         # Build LDAP connection
590     my $ldap_handle = &main::get_ldap_handle($session_id);
591         if( not defined $ldap_handle ) {
592                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
593                 return;
594         }
596         # Perform search
597     my $ldap_res = $ldap_handle->search( base   => $ldap_base,
598                 scope  => 'sub',
599                 attrs => ['gotoNtpServer'],
600                 filter => "(&(objectClass=GOhard)(macaddress=$address))");
601         if($ldap_res->code) {
602                 &main::daemon_log("$session_id ".$ldap_res->error, 1);
603                 return;
604         }
606         # Sanity check
607         if ($ldap_res->count != 1) {
608                 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
609                 "\n\tbase: $ldap_base".
610                 "\n\tscope: sub".
611                 "\n\tattrs: gotoNtpServer".
612                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$address))", 1);
613                 return;
614         }
616         my $entry= $ldap_res->entry(0);
617     my $dn = &Net::LDAP::Util::escape_dn_value($entry->dn);
618         my @ntp_servers= $entry->get_value("gotoNtpServer");
620     # If no ntp server is specified at host, just have a look at the object group of the host
621     # Perform object group search
622     if ((not @ntp_servers) || (@ntp_servers == 0)) {
623         my $ldap_res = $ldap_handle->search( base   => $ldap_base,
624                 scope  => 'sub',
625                 attrs => ['gotoNtpServer'],
626                 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
627         if($ldap_res->code) {
628             &main::daemon_log("$session_id ".$ldap_res->error, 1);
629             return;
630         }
632         # Sanity check
633         if ($ldap_res->count != 1) {
634             &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
635                     "\n\tbase: $ldap_base".
636                     "\n\tscope: sub".
637                     "\n\tattrs: gotoNtpServer".
638                     "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$dn))", 1);
639             return;
640         }
642         my $entry= $ldap_res->entry(0);
643         @ntp_servers= $entry->get_value("gotoNtpServer");
644     }
646     # Return if no ntp server specified
647     if ((not @ntp_servers) || (@ntp_servers == 0)) {
648         &main::daemon_log("$session_id WARNING: no ntp server specified for this host '$address'", 3);
649         return;
650     }
651  
652     # Add each ntp server to 'ntp_config' message
653     my $ntp_msg_hash = &create_xml_hash("new_ntp_config", $server_address, $address);
654     foreach my $ntp_server (@ntp_servers) {
655         &add_content2xml_hash($ntp_msg_hash, "server", $ntp_server);
656     }
658     return &create_xml_string($ntp_msg_hash);
662 #===  FUNCTION  ================================================================
663 #         NAME:  new_ldap_config
664 #   PARAMETERS:  address - string - ip address and port of a host
665 #      RETURNS:  gosa-si conform message
666 #  DESCRIPTION:  send to address the ldap configuration found for dn gotoLdapServer
667 #===============================================================================
668 sub new_ldap_config {
669         my ($address, $session_id) = @_ ;
671         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
672         my $res = $main::known_clients_db->select_dbentry( $sql_statement );
674         # check hit
675         my $hit_counter = keys %{$res};
676         if( not $hit_counter == 1 ) {
677                 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query '$sql_statement'", 1);
678         }
680     $address = $res->{1}->{hostname};
681         my $macaddress = $res->{1}->{macaddress};
682         my $hostkey = $res->{1}->{hostkey};
684         if (not defined $macaddress) {
685                 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
686                 return;
687         }
689         # Build LDAP connection
690     my $ldap_handle = &main::get_ldap_handle($session_id);
691         if( not defined $ldap_handle ) {
692                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
693                 return;
694         } 
696         # Perform search
697     $mesg = $ldap_handle->search( base   => $ldap_base,
698                 scope  => 'sub',
699                 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
700                 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
701         if($mesg->code) {
702                 &main::daemon_log("$session_id ".$mesg->error, 1);
703                 return;
704         }
706         # Sanity check
707         if ($mesg->count != 1) {
708                 &main::daemon_log("$session_id WARNING: client with mac address $macaddress not found/unique/active - not sending ldap config".
709                 "\n\tbase: $ldap_base".
710                 "\n\tscope: sub".
711                 "\n\tattrs: dn, gotoLdapServer".
712                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
713                 return;
714         }
716         my $entry= $mesg->entry(0);
717         my $dn= $entry->dn;
718         my @servers= $entry->get_value("gotoLdapServer");
719         my $unit_tag= $entry->get_value("gosaUnitTag");
720         my @ldap_uris;
721         my $server;
722         my $base;
723         my $release;
725         # Fill release if available
726         my $FAIclass= $entry->get_value("FAIclass");
727         if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
728                 $release= $1;
729         }
731         # Do we need to look at an object class?
732         if (not @servers){
733           my $escaped_dn = &Net::LDAP::Util::escape_dn_value($dn);
734                 $mesg = $ldap_handle->search( base   => $ldap_base,
735                         scope  => 'sub',
736                         attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
737                         filter => "(&(objectClass=gosaGroupOfNames)(member=$escaped_dn))");
738                 if($mesg->code) {
739                         &main::daemon_log("$session_id ERROR: unable to search for '(&(objectClass=gosaGroupOfNames)(member=$dn))': ".$mesg->error, 1);
740                         return;
741                 }
743                 # Sanity check
744         if ($mesg->count != 1) {
745             &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
746                     "\n\tbase: $ldap_base".
747                     "\n\tscope: sub".
748                     "\n\tattrs: dn, gotoLdapServer, FAIclass".
749                     "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$escaped_dn))", 1);
750             return;
751         }
753                 $entry= $mesg->entry(0);
754                 $dn= $entry->dn;
755                 @servers= $entry->get_value("gotoLdapServer");
757                 if (not defined $release){
758                         $FAIclass= $entry->get_value("FAIclass");
759                         if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
760                                 $release= $1;
761                         }
762                 }
763         }
765         @servers= sort (@servers);
767     # complain if no ldap information found
768     if (@servers == 0) {
769         &main::daemon_log("$session_id ERROR: no gotoLdapServer information for LDAP entry '$dn'", 1);
770     }
772         foreach $server (@servers){
773                 # Conversation for backward compatibility
774                 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
775                     if ($server =~ /^([^:]+):([^:]+)$/ ) {
776                       $server= "1:dummy:ldap://$1/$2";
777                     } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
778                       $server= "$1:dummy:ldap://$2/$3";
779                     }
780                 }
782                 $base= $server;
783                 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
784                 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
785                 push (@ldap_uris, $server);
786         }
788         # Assemble data package
789         my %data = ( 'ldap_uri'  => \@ldap_uris, 'ldap_base' => $base,
790                 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
791         if (defined $release){
792                 $data{'release'}= $release;
793         }
795         # Need to append GOto settings?
796         if (defined $goto_admin and defined $goto_secret){
797                 $data{'goto_admin'}= $goto_admin;
798                 $data{'goto_secret'}= $goto_secret;
799         }
801         # Append unit tag if needed
802         if (defined $unit_tag){
804                 # Find admin base and department name
805                 $mesg = $ldap_handle->search( base   => $ldap_base,
806                         scope  => 'sub',
807                         attrs => ['dn', 'ou'],
808                         filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
809                 #$mesg->code && die $mesg->error;
810                 if($mesg->code) {
811                         &main::daemon_log($mesg->error, 1);
812                         return "error-unit-tag-count-0";
813                 }
815                 # Sanity check
816                 if ($mesg->count != 1) {
817                         &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
818                         return "error-unit-tag-count-".$mesg->count;
819                 }
821                 $entry= $mesg->entry(0);
822                 $data{'admin_base'}= $entry->dn;
823                 $data{'department'}= $entry->get_value("ou");
825                 # Append unit Tag
826                 $data{'unit_tag'}= $unit_tag;
827         }
829         # Send information
830         return &build_msg("new_ldap_config", $server_address, $address, \%data);
834 #===  FUNCTION  ================================================================
835 #         NAME:  hardware_config
836 #   PARAMETERS:  address - string - ip address and port of a host
837 #      RETURNS:  
838 #  DESCRIPTION:  
839 #===============================================================================
840 sub hardware_config {
841         my ($msg, $msg_hash, $session_id) = @_ ;
842         my $address = @{$msg_hash->{source}}[0];
843         my $header = @{$msg_hash->{header}}[0];
844         my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
846         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
847         my $res = $main::known_clients_db->select_dbentry( $sql_statement );
849         # check hit
850         my $hit_counter = keys %{$res};
851         if( not $hit_counter == 1 ) {
852                 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
853         }
854         my $macaddress = $res->{1}->{macaddress};
855         my $hostkey = $res->{1}->{hostkey};
857         if (not defined $macaddress) {
858                 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
859                 return;
860         }
862         # Build LDAP connection
863     my $ldap_handle = &main::get_ldap_handle($session_id);
864         if( not defined $ldap_handle ) {
865                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
866                 return;
867         } 
869         # Perform search
870         $mesg = $ldap_handle->search(
871                 base   => $ldap_base,
872                 scope  => 'sub',
873                 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
874         );
876         if($mesg->count() == 0) {
877                 &main::daemon_log("Host was not found in LDAP!", 1);
879                 # set status = hardware_detection at jobqueue if entry exists
880                 # TODO
881                 # resolve plain name for host
882                 my $func_dic = {table=>$main::job_queue_tn,
883                                 primkey=>['macaddress', 'headertag'],
884                                 timestamp=>&get_time,
885                                 status=>'processing',
886                                 result=>'none',
887                                 progress=>'hardware-detection',
888                                 headertag=>'trigger_action_reinstall',
889                                 targettag=>$address,
890                                 xmlmessage=>'none',
891                                 macaddress=>$macaddress,
892                                 plainname=>'none',
893                 siserver=>'localhost',
894                 modified=>'1',
895                 };
896                 my $hd_res = $main::job_db->add_dbentry($func_dic);
897                 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
898         
899         } else {
900                 my $entry= $mesg->entry(0);
901                 my $dn= $entry->dn;
902                 if (defined($entry->get_value("gotoHardwareChecksum"))) {
903                         if (! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
904                                 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
905                                 if($entry->update($ldap_handle)) {
906                                         &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
907                                 }
908                         } else {
909                                 # Nothing to do
910                                 return;
911                         }
912                 } 
913         } 
915         # Assemble data package
916         my %data = ();
918         # Need to append GOto settings?
919         if (defined $goto_admin and defined $goto_secret){
920                 $data{'goto_admin'}= $goto_admin;
921                 $data{'goto_secret'}= $goto_secret;
922         }
924         # Send information
925         return &build_msg("detect_hardware", $server_address, $address, \%data);
928 sub server_matches {
929         my $target = shift;
930         my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
931         if(!defined($target_ip) or length($target_ip) == 0) {
932                 return;
933         }
935         my $result = 0;
937         if($server_ip eq $target_ip) {
938                 $result= 1;
939         } elsif ($target_ip eq "0.0.0.0") {
940                 $result= 1;
941         } elsif ($server_ip eq "0.0.0.0") {     
942                 if ($target_ip eq "127.0.0.1") {
943                         $result= 1;
944                 } else {
945                         my $PROC_NET_ROUTE= ('/proc/net/route');
947                         open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
948                                 or die "Could not open $PROC_NET_ROUTE";
950                         my @ifs = <PROC_NET_ROUTE>;
952                         close(PROC_NET_ROUTE);
954                         # Eat header line
955                         shift @ifs;
956                         chomp @ifs;
957                         foreach my $line(@ifs) {
958                                 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
959                                 my $destination;
960                                 my $mask;
961                                 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
962                                 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
963                                 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
964                                 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
965                                 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
966                                         # destination matches route, save mac and exit
967                                         $result= 1;
968                                         last;
969                                 }
970                         }
971                 }
972         } else {
973                 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
974         }
976         return $result;
979 # vim:ts=4:shiftwidth:expandtab
980 1;