Code

bugfix: function escape_dn_value from Net::LDAP::Utils was not invoked correctly
[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 $mesg;
34 my %cfg_defaults = (
35 "server" => {
36     "ip" => [\$server_ip, "0.0.0.0"],
37     "mac-address" => [\$main::server_mac_address, "00:00:00:00:00"],
38     "port" => [\$server_port, "20081"],
39     "ldap-uri" => [\$ldap_uri, ""],
40     "ldap-base" => [\$ldap_base, ""],
41     "ldap-admin-dn" => [\$ldap_admin_dn, ""],
42     "ldap-admin-password" => [\$ldap_admin_password, ""],
43     "max-clients" => [\$max_clients, 100],
44     },
45 "ClientPackages" => {
46     "key" => [\$ClientPackages_key, ""],
47     },
48 );
50 ### START #####################################################################
52 # read configfile and import variables
53 &read_configfile();
56 # if server_ip is not an ip address but a name
57 if( inet_aton($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:  read_configfile
162 #   PARAMETERS:  cfg_file - string -
163 #      RETURNS:  nothing
164 #  DESCRIPTION:  read cfg_file and set variables
165 #===============================================================================
166 sub 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("$session_id WARNING: processing is aborted and message will not be forwarded");
334                 @out_msg_l = ();
335             } elsif ($out_msg_l[0] eq 'noeventerror') {
336                 &main::daemon_log("$session_id WARNING: client '$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         my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
513         if( $hardware_config_out ) {
514                 push(@out_msg_l, $hardware_config_out);
515         }
517     # notify registered client to all other server
518     my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
519     my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
520     push(@out_msg_l, $mymsg);
522     &main::daemon_log("$session_id INFO: register client $source ($mac_address)", 5);
523     &main::daemon_log("$session_id INFO: client version: $client_status - $client_revision", 5); 
524     return @out_msg_l;
528 #===  FUNCTION  ================================================================
529 #         NAME:  who_has
530 #   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
531 #      RETURNS:  nothing 
532 #  DESCRIPTION:  process this incoming message
533 #===============================================================================
534 sub who_has {
535     my ($msg_hash) = @_ ;
536     my @out_msg_l;
537     
538     # what is your search pattern
539     my $search_pattern = @{$msg_hash->{who_has}}[0];
540     my $search_element = @{$msg_hash->{$search_pattern}}[0];
541     &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
543     # scanning known_clients for search_pattern
544     my @host_addresses = keys %$main::known_clients;
545     my $known_clients_entries = length @host_addresses;
546     my $host_address;
547     foreach my $host (@host_addresses) {
548         my $client_element = $main::known_clients->{$host}->{$search_pattern};
549         if ($search_element eq $client_element) {
550             $host_address = $host;
551             last;
552         }
553     }
554         
555     # search was successful
556     if (defined $host_address) {
557         my $source = @{$msg_hash->{source}}[0];
558         my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
559         &add_content2xml_hash($out_hash, "mac_address", $search_element);
560         my $out_msg = &create_xml_string($out_hash);
561         push(@out_msg_l, $out_msg);
562     }
563     return @out_msg_l;
567 sub who_has_i_do {
568     my ($msg_hash) = @_ ;
569     my $header = @{$msg_hash->{header}}[0];
570     my $source = @{$msg_hash->{source}}[0];
571     my $search_param = @{$msg_hash->{$header}}[0];
572     my $search_value = @{$msg_hash->{$search_param}}[0];
573     print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
577 #===  FUNCTION  ================================================================
578 #         NAME:  new_ldap_config
579 #   PARAMETERS:  address - string - ip address and port of a host
580 #      RETURNS:  gosa-si conform message
581 #  DESCRIPTION:  send to address the ldap configuration found for dn gotoLdapServer
582 #===============================================================================
583 sub new_ldap_config {
584         my ($address, $session_id) = @_ ;
586         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
587         my $res = $main::known_clients_db->select_dbentry( $sql_statement );
589         # check hit
590         my $hit_counter = keys %{$res};
591         if( not $hit_counter == 1 ) {
592                 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query '$sql_statement'", 1);
593         }
595     $address = $res->{1}->{hostname};
596         my $macaddress = $res->{1}->{macaddress};
597         my $hostkey = $res->{1}->{hostkey};
599         if (not defined $macaddress) {
600                 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
601                 return;
602         }
604         # Build LDAP connection
605     my $ldap_handle = &main::get_ldap_handle($session_id);
606         if( not defined $ldap_handle ) {
607                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
608                 return;
609         } 
611         # Perform search
612     $mesg = $ldap_handle->search( base   => $ldap_base,
613                 scope  => 'sub',
614                 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
615                 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
616         if($mesg->code) {
617                 &main::daemon_log("$session_id ".$mesg->error, 1);
618                 return;
619         }
621         # Sanity check
622         if ($mesg->count != 1) {
623                 &main::daemon_log("$session_id WARNING: client with mac address $macaddress not found/unique/active - not sending ldap config".
624                 "\n\tbase: $ldap_base".
625                 "\n\tscope: sub".
626                 "\n\tattrs: dn, gotoLdapServer".
627                 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
628                 return;
629         }
631         my $entry= $mesg->entry(0);
632         my $dn= $entry->dn;
633         my @servers= $entry->get_value("gotoLdapServer");
634         my $unit_tag= $entry->get_value("gosaUnitTag");
635         my @ldap_uris;
636         my $server;
637         my $base;
638         my $release;
640         # Fill release if available
641         my $FAIclass= $entry->get_value("FAIclass");
642         if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
643                 $release= $1;
644         }
646         # Do we need to look at an object class?
647         if (not @servers){
648             my $escaped_dn = &Net::LDAP::Utils::escape_dn_value($dn);
649                 $mesg = $ldap_handle->search( base   => $ldap_base,
650                         scope  => 'sub',
651                         attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
652                         filter => "(&(objectClass=gosaGroupOfNames)(member=$escaped_dn))");
653                 if($mesg->code) {
654                         &main::daemon_log("$session_id ERROR: unable to search for '(&(objectClass=gosaGroupOfNames)(member=$dn))': ".$mesg->error, 1);
655                         return;
656                 }
658                 # Sanity check
659                 if ($mesg->count == 0) {
660                         &main::daemon_log("$session_id WARNING: no LDAP informations found for client  with filter '(&(objectClass=gosaGroupOfNames)(member=$dn))'", 3);
661                         return;
662                 } elsif ($mesg->count >= 2) {
663             &main::daemon_log("$session_id ERROR: multiple LDAP informations found for client  with filter '(&(objectClass=gosaGroupOfNames)(member=$dn))'", 1);
664             return;
665         }
667                 $entry= $mesg->entry(0);
668                 $dn= $entry->dn;
669                 @servers= $entry->get_value("gotoLdapServer");
671                 if (not defined $release){
672                         $FAIclass= $entry->get_value("FAIclass");
673                         if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
674                                 $release= $1;
675                         }
676                 }
677         }
679         @servers= sort (@servers);
681     # complain if no ldap information found
682     if (@servers == 0) {
683         &main::daemon_log("$session_id ERROR: no gotoLdapServer information for LDAP entry with filter '(&(objectClass=gosaGroupOfNames)(member=$dn))'");
684     }
686         foreach $server (@servers){
687                 # Conversation for backward compatibility
688                 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
689                     if ($server =~ /^([^:]+):([^:]+)$/ ) {
690                       $server= "1:dummy:ldap://$1/$2";
691                     } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
692                       $server= "$1:dummy:ldap://$2/$3";
693                     }
694                 }
696                 $base= $server;
697                 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
698                 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
699                 push (@ldap_uris, $server);
700         }
702         # Assemble data package
703         my %data = ( 'ldap_uri'  => \@ldap_uris, 'ldap_base' => $base,
704                 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
705         if (defined $release){
706                 $data{'release'}= $release;
707         }
709         # Need to append GOto settings?
710         if (defined $goto_admin and defined $goto_secret){
711                 $data{'goto_admin'}= $goto_admin;
712                 $data{'goto_secret'}= $goto_secret;
713         }
715         # Append unit tag if needed
716         if (defined $unit_tag){
718                 # Find admin base and department name
719                 $mesg = $ldap_handle->search( base   => $ldap_base,
720                         scope  => 'sub',
721                         attrs => ['dn', 'ou'],
722                         filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
723                 #$mesg->code && die $mesg->error;
724                 if($mesg->code) {
725                         &main::daemon_log($mesg->error, 1);
726                         return "error-unit-tag-count-0";
727                 }
729                 # Sanity check
730                 if ($mesg->count != 1) {
731                         &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
732                         return "error-unit-tag-count-".$mesg->count;
733                 }
735                 $entry= $mesg->entry(0);
736                 $data{'admin_base'}= $entry->dn;
737                 $data{'department'}= $entry->get_value("ou");
739                 # Append unit Tag
740                 $data{'unit_tag'}= $unit_tag;
741         }
743         # Send information
744         return &build_msg("new_ldap_config", $server_address, $address, \%data);
748 #===  FUNCTION  ================================================================
749 #         NAME:  hardware_config
750 #   PARAMETERS:  address - string - ip address and port of a host
751 #      RETURNS:  
752 #  DESCRIPTION:  
753 #===============================================================================
754 sub hardware_config {
755         my ($msg, $msg_hash, $session_id) = @_ ;
756         my $address = @{$msg_hash->{source}}[0];
757         my $header = @{$msg_hash->{header}}[0];
758         my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
760         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
761         my $res = $main::known_clients_db->select_dbentry( $sql_statement );
763         # check hit
764         my $hit_counter = keys %{$res};
765         if( not $hit_counter == 1 ) {
766                 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
767         }
768         my $macaddress = $res->{1}->{macaddress};
769         my $hostkey = $res->{1}->{hostkey};
771         if (not defined $macaddress) {
772                 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
773                 return;
774         }
776         # Build LDAP connection
777     my $ldap_handle = &main::get_ldap_handle($session_id);
778         if( not defined $ldap_handle ) {
779                 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
780                 return;
781         } 
783         # Perform search
784         $mesg = $ldap_handle->search(
785                 base   => $ldap_base,
786                 scope  => 'sub',
787                 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
788         );
790         if($mesg->count() == 0) {
791                 &main::daemon_log("Host was not found in LDAP!", 1);
793                 # set status = hardware_detection at jobqueue if entry exists
794                 # TODO
795                 # resolve plain name for host
796                 my $func_dic = {table=>$main::job_queue_tn,
797                                 primkey=>['macaddress', 'headertag'],
798                                 timestamp=>&get_time,
799                                 status=>'processing',
800                                 result=>'none',
801                                 progress=>'hardware-detection',
802                                 headertag=>'trigger_action_reinstall',
803                                 targettag=>$address,
804                                 xmlmessage=>'none',
805                                 macaddress=>$macaddress,
806                                 plainname=>'none',
807                 siserver=>'localhost',
808                 modified=>'1',
809                 };
810                 my $hd_res = $main::job_db->add_dbentry($func_dic);
811                 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
812         
813         } else {
814                 my $entry= $mesg->entry(0);
815                 my $dn= $entry->dn;
816                 if (defined($entry->get_value("gotoHardwareChecksum"))) {
817                         if (! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
818                                 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
819                                 if($entry->update($ldap_handle)) {
820                                         &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
821                                 }
822                         } else {
823                                 # Nothing to do
824                                 return;
825                         }
826                 } 
827         } 
829         # Assemble data package
830         my %data = ();
832         # Need to append GOto settings?
833         if (defined $goto_admin and defined $goto_secret){
834                 $data{'goto_admin'}= $goto_admin;
835                 $data{'goto_secret'}= $goto_secret;
836         }
838         # Send information
839         return &build_msg("detect_hardware", $server_address, $address, \%data);
842 sub server_matches {
843         my $target = shift;
844         my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
845         if(!defined($target_ip) or length($target_ip) == 0) {
846                 return;
847         }
849         my $result = 0;
851         if($server_ip eq $target_ip) {
852                 $result= 1;
853         } elsif ($target_ip eq "0.0.0.0") {
854                 $result= 1;
855         } elsif ($server_ip eq "0.0.0.0") {     
856                 if ($target_ip eq "127.0.0.1") {
857                         $result= 1;
858                 } else {
859                         my $PROC_NET_ROUTE= ('/proc/net/route');
861                         open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
862                                 or die "Could not open $PROC_NET_ROUTE";
864                         my @ifs = <PROC_NET_ROUTE>;
866                         close(PROC_NET_ROUTE);
868                         # Eat header line
869                         shift @ifs;
870                         chomp @ifs;
871                         foreach my $line(@ifs) {
872                                 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
873                                 my $destination;
874                                 my $mask;
875                                 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
876                                 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
877                                 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
878                                 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
879                                 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
880                                         # destination matches route, save mac and exit
881                                         $result= 1;
882                                         last;
883                                 }
884                         }
885                 }
886         } else {
887                 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
888         }
890         return $result;
893 # vim:ts=4:shiftwidth:expandtab
894 1;