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 DEBUG: ClientPackages - $log_line", 7);
66 } else {
67 &main::daemon_log("0 ERROR: ClientPackages - $log_line", 1);
68 }
69 }
70 # build vice versa event_hash, event_name => module
71 my $event2module_hash = {};
72 while (my ($module, $mod_events) = each %$event_hash) {
73 while (my ($event_name, $nothing) = each %$mod_events) {
74 $event2module_hash->{$event_name} = $module;
75 }
77 }
79 # Unit tag can be defined in config
80 if((not defined($main::gosa_unit_tag)) || length($main::gosa_unit_tag) == 0) {
81 # Read gosaUnitTag from LDAP
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);
149 }
152 my $server_address = "$server_ip:$server_port";
153 $main::server_address = $server_address;
155 {
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 DEBUG: Searching for ou=incoming container for new clients", 9);
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($ldap_handle);
179 }
182 ### functions #################################################################
185 sub get_module_info {
186 my @info = ($server_address,
187 $ClientPackages_key,
188 $event_hash,
189 );
190 return \@info;
191 }
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 }
243 }
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 $result;
281 }
284 #=== FUNCTION ================================================================
285 # NAME: process_incoming_msg
286 # PARAMETERS: crypted_msg - string - incoming crypted message
287 # RETURNS: nothing
288 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
289 #===============================================================================
290 sub process_incoming_msg {
291 my ($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: $header", 7);
308 if( 0 == length @target_l){
309 &main::daemon_log("$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)) {
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("$session_id INFO: found event '$header' at event-module '".$event2module_hash->{$header}."'", 5);
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 '$header', processing is aborted", 1);
369 @out_msg_l = ();
370 }
371 } else {
372 &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
373 push(@out_msg_l, $msg);
374 }
375 }
377 return \@out_msg_l;
378 }
381 #=== FUNCTION ================================================================
382 # NAME: new_passwd
383 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
384 # RETURNS: nothing
385 # DESCRIPTION: process this incoming message
386 #===============================================================================
387 sub new_key {
388 my ($msg_hash) = @_;
389 my @out_msg_l;
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, $out_msg);
425 }
426 }
428 return @out_msg_l;
429 }
432 #=== FUNCTION ================================================================
433 # NAME: here_i_am
434 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
435 # RETURNS: nothing
436 # DESCRIPTION: process this incoming message
437 #===============================================================================
438 sub here_i_am {
439 my ($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( $sql_statement );
471 if ( 1 == keys %{$db_res} ) {
472 &main::daemon_log("$session_id WARNING: $source is already known as a client", 1);
473 &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 1);
474 $nu_clients --;
475 }
477 # number of current active clients
478 my $act_nu_clients = $nu_clients;
480 &main::daemon_log("$session_id INFO: number of current active clients: $act_nu_clients", 5);
481 &main::daemon_log("$session_id INFO: number of maximal allowed clients: $max_clients", 5);
483 if($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 }
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");
510 return;
511 }
513 # return acknowledgement to client
514 $out_hash = &create_xml_hash("registered", $server_address, $source);
517 # give the new client his ldap config
518 # Workaround: Send within the registration response, if the client will get an ldap config later
519 my $new_ldap_config_out = &new_ldap_config($source, $session_id);
520 if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
521 &add_content2xml_hash($out_hash, "ldap_available", "true");
522 } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
523 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
525 my $sql_statement = "UPDATE $main::job_queue_tn ".
526 "SET status='error', result='$new_ldap_config_out' ".
527 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
528 my $res = $main::job_db->update_dbentry($sql_statement);
529 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);
530 }
531 my $register_out = &create_xml_string($out_hash);
532 push(@out_msg_l, $register_out);
534 # Really send the ldap config
535 if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
536 push(@out_msg_l, $new_ldap_config_out);
537 }
539 # Send client hardware configuration
540 my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
541 if( $hardware_config_out ) {
542 push(@out_msg_l, $hardware_config_out);
543 }
545 # Send client ntp server
546 my $ntp_config_out = &new_ntp_config($mac_address, $session_id);
547 if ($ntp_config_out) {
548 push(@out_msg_l, $ntp_config_out);
549 }
551 # Send client syslog server
552 my $syslog_config_out = &new_syslog_config($mac_address, $session_id);
553 if ($syslog_config_out) {
554 push(@out_msg_l, $syslog_config_out);
555 }
557 # notify registered client to all other server
558 my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
559 my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
560 push(@out_msg_l, $mymsg);
562 &main::daemon_log("$session_id INFO: register client $source ($mac_address)", 5);
563 &main::daemon_log("$session_id INFO: client version: $client_status - $client_revision", 5);
564 return @out_msg_l;
565 }
568 #=== FUNCTION ================================================================
569 # NAME: who_has
570 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
571 # RETURNS: nothing
572 # DESCRIPTION: process this incoming message
573 #===============================================================================
574 sub who_has {
575 my ($msg_hash) = @_ ;
576 my @out_msg_l;
578 # what is your search pattern
579 my $search_pattern = @{$msg_hash->{who_has}}[0];
580 my $search_element = @{$msg_hash->{$search_pattern}}[0];
581 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
583 # scanning known_clients for search_pattern
584 my @host_addresses = keys %$main::known_clients;
585 my $known_clients_entries = length @host_addresses;
586 my $host_address;
587 foreach my $host (@host_addresses) {
588 my $client_element = $main::known_clients->{$host}->{$search_pattern};
589 if ($search_element eq $client_element) {
590 $host_address = $host;
591 last;
592 }
593 }
595 # search was successful
596 if (defined $host_address) {
597 my $source = @{$msg_hash->{source}}[0];
598 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
599 &add_content2xml_hash($out_hash, "mac_address", $search_element);
600 my $out_msg = &create_xml_string($out_hash);
601 push(@out_msg_l, $out_msg);
602 }
603 return @out_msg_l;
604 }
607 sub who_has_i_do {
608 my ($msg_hash) = @_ ;
609 my $header = @{$msg_hash->{header}}[0];
610 my $source = @{$msg_hash->{source}}[0];
611 my $search_param = @{$msg_hash->{$header}}[0];
612 my $search_value = @{$msg_hash->{$search_param}}[0];
613 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
614 }
617 sub new_syslog_config {
618 my ($mac_address, $session_id) = @_;
619 my $syslog_msg;
620 my $ldap_handle=&main::get_ldap_handle();
622 # Perform search
623 my $ldap_res = $ldap_handle->search( base => $ldap_base,
624 scope => 'sub',
625 attrs => ['gotoSyslogServer'],
626 filter => "(&(objectClass=GOhard)(macaddress=$mac_address))");
627 if($ldap_res->code) {
628 &main::daemon_log("$session_id ".$ldap_res->error, 1);
629 &main::release_ldap_handle($ldap_handle);
630 return;
631 }
633 # Sanity check
634 if ($ldap_res->count != 1) {
635 &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
636 "\n\tbase: $ldap_base".
637 "\n\tscope: sub".
638 "\n\tattrs: gotoSyslogServer".
639 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$mac_address))", 1);
640 &main::release_ldap_handle($ldap_handle);
641 return;
642 }
644 my $entry= $ldap_res->entry(0);
645 my $filter_dn = &Net::LDAP::Util::escape_filter_value($entry->dn);
646 my $syslog_server = $entry->get_value("gotoSyslogServer");
648 # If no syslog server is specified at host, just have a look at the object group of the host
649 # Perform object group search
650 if (not defined $syslog_server) {
651 my $ldap_res = $ldap_handle->search( base => $ldap_base,
652 scope => 'sub',
653 attrs => ['gotoSyslogServer'],
654 filter => "(&(objectClass=gosaGroupOfNames)(member=$filter_dn))");
655 if($ldap_res->code) {
656 &main::daemon_log("$session_id ".$ldap_res->error, 1);
657 &main::release_ldap_handle($ldap_handle);
658 return;
659 }
661 # Sanity check
662 if ($ldap_res->count != 1) {
663 &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
664 "\n\tbase: $ldap_base".
665 "\n\tscope: sub".
666 "\n\tattrs: gotoSyslogServer".
667 "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
668 &main::release_ldap_handle($ldap_handle);
669 return;
670 }
672 my $entry= $ldap_res->entry(0);
673 $syslog_server= $entry->get_value("gotoSyslogServer");
674 }
676 # Return if no syslog server specified
677 if (not defined $syslog_server) {
678 &main::daemon_log("$session_id WARNING: no syslog server specified for this host '$mac_address'", 3);
679 &main::release_ldap_handle($ldap_handle);
680 return;
681 }
684 # Add syslog server to 'syslog_config' message
685 my $syslog_msg_hash = &create_xml_hash("new_syslog_config", $server_address, $mac_address);
686 &add_content2xml_hash($syslog_msg_hash, "server", $syslog_server);
688 &main::release_ldap_handle($ldap_handle);
689 return &create_xml_string($syslog_msg_hash);
690 }
693 sub new_ntp_config {
694 my ($address, $session_id) = @_;
695 my $ntp_msg;
696 my $ldap_handle=&main::get_ldap_handle();
698 # Perform search
699 my $ldap_res = $ldap_handle->search( base => $ldap_base,
700 scope => 'sub',
701 attrs => ['gotoNtpServer'],
702 filter => "(&(objectClass=GOhard)(macaddress=$address))");
703 if($ldap_res->code) {
704 &main::daemon_log("$session_id ".$ldap_res->error, 1);
705 &main::release_ldap_handle($ldap_handle);
706 return;
707 }
709 # Sanity check
710 if ($ldap_res->count != 1) {
711 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
712 "\n\tbase: $ldap_base".
713 "\n\tscope: sub".
714 "\n\tattrs: gotoNtpServer".
715 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$address))", 1);
716 &main::release_ldap_handle($ldap_handle);
717 return;
718 }
720 my $entry= $ldap_res->entry(0);
721 my $filter_dn = &Net::LDAP::Util::escape_filter_value($entry->dn);
722 my @ntp_servers= $entry->get_value("gotoNtpServer");
724 # If no ntp server is specified at host, just have a look at the object group of the host
725 # Perform object group search
726 if ((not @ntp_servers) || (@ntp_servers == 0)) {
727 my $ldap_res = $ldap_handle->search( base => $ldap_base,
728 scope => 'sub',
729 attrs => ['gotoNtpServer'],
730 filter => "(&(objectClass=gosaGroupOfNames)(member=$filter_dn))");
731 if($ldap_res->code) {
732 &main::daemon_log("$session_id ".$ldap_res->error, 1);
733 &main::release_ldap_handle($ldap_handle);
734 return;
735 }
737 # Sanity check
738 if ($ldap_res->count != 1) {
739 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
740 "\n\tbase: $ldap_base".
741 "\n\tscope: sub".
742 "\n\tattrs: gotoNtpServer".
743 "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
744 &main::release_ldap_handle($ldap_handle);
745 return;
746 }
748 my $entry= $ldap_res->entry(0);
749 @ntp_servers= $entry->get_value("gotoNtpServer");
750 }
752 # Return if no ntp server specified
753 if ((not @ntp_servers) || (@ntp_servers == 0)) {
754 &main::daemon_log("$session_id WARNING: no ntp server specified for this host '$address'", 3);
755 &main::release_ldap_handle($ldap_handle);
756 return;
757 }
759 # Add each ntp server to 'ntp_config' message
760 my $ntp_msg_hash = &create_xml_hash("new_ntp_config", $server_address, $address);
761 foreach my $ntp_server (@ntp_servers) {
762 &add_content2xml_hash($ntp_msg_hash, "server", $ntp_server);
763 }
765 &main::release_ldap_handle($ldap_handle);
766 return &create_xml_string($ntp_msg_hash);
767 }
770 #=== FUNCTION ================================================================
771 # NAME: new_ldap_config
772 # PARAMETERS: address - string - ip address and port of a host
773 # RETURNS: gosa-si conform message
774 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
775 #===============================================================================
776 sub new_ldap_config {
777 my ($address, $session_id) = @_ ;
779 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
780 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
782 # check hit
783 my $hit_counter = keys %{$res};
784 if( not $hit_counter == 1 ) {
785 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query '$sql_statement'", 1);
786 return;
787 }
789 $address = $res->{1}->{hostname};
790 my $macaddress = $res->{1}->{macaddress};
791 my $hostkey = $res->{1}->{hostkey};
793 if (not defined $macaddress) {
794 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
795 return;
796 }
798 # Perform search
799 my $ldap_handle=&main::get_ldap_handle();
800 $mesg = $ldap_handle->search( base => $ldap_base,
801 scope => 'sub',
802 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
803 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
804 if($mesg->code) {
805 &main::daemon_log("$session_id ".$mesg->error, 1);
806 &main::release_ldap_handle($ldap_handle);
807 return;
808 }
810 # Sanity check
811 if ($mesg->count != 1) {
812 &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
813 "\n\tbase: $ldap_base".
814 "\n\tscope: sub".
815 "\n\tattrs: dn, gotoLdapServer".
816 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
817 &main::release_ldap_handle($ldap_handle);
818 return;
819 }
821 my $entry= $mesg->entry(0);
822 my $filter_dn= &Net::LDAP::Util::escape_filter_value($entry->dn);
823 my @servers= $entry->get_value("gotoLdapServer");
824 my $unit_tag= $entry->get_value("gosaUnitTag");
825 my @ldap_uris;
826 my $server;
827 my $base;
828 my $release;
829 my $dn= $entry->dn;
831 # Fill release if available
832 my $FAIclass= $entry->get_value("FAIclass");
833 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
834 $release= $1;
835 }
837 # Do we need to look at an object class?
838 if (not @servers){
839 $mesg = $ldap_handle->search( base => $ldap_base,
840 scope => 'sub',
841 attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
842 filter => "(&(objectClass=gosaGroupOfNames)(member=$filter_dn))");
843 if($mesg->code) {
844 &main::daemon_log("$session_id ERROR: unable to search for '(&(objectClass=gosaGroupOfNames)(member=$filter_dn))': ".$mesg->error, 1);
845 &main::release_ldap_handle($ldap_handle);
846 return;
847 }
849 # Sanity check
850 if ($mesg->count != 1) {
851 &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
852 "\n\tbase: $ldap_base".
853 "\n\tscope: sub".
854 "\n\tattrs: dn, gotoLdapServer, FAIclass".
855 "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
856 &main::release_ldap_handle($ldap_handle);
857 return;
858 }
860 $entry= $mesg->entry(0);
861 $dn= $entry->dn;
862 @servers= $entry->get_value("gotoLdapServer");
864 if (not defined $release){
865 $FAIclass= $entry->get_value("FAIclass");
866 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
867 $release= $1;
868 }
869 }
870 }
872 @servers= sort (@servers);
874 # complain if no ldap information found
875 if (@servers == 0) {
876 &main::daemon_log("$session_id ERROR: no gotoLdapServer information for LDAP entry '$dn'", 1);
877 }
879 foreach $server (@servers){
880 # Conversation for backward compatibility
881 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
882 if ($server =~ /^([^:]+):([^:]+)$/ ) {
883 $server= "1:dummy:ldap://$1/$2";
884 } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
885 $server= "$1:dummy:ldap://$2/$3";
886 }
887 }
889 $base= $server;
890 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
891 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
892 push (@ldap_uris, $server);
893 }
895 # Assemble data package
896 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
897 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
898 if (defined $release){
899 $data{'release'}= $release;
900 }
902 # Need to append GOto settings?
903 if (defined $goto_admin and defined $goto_secret){
904 $data{'goto_admin'}= $goto_admin;
905 $data{'goto_secret'}= $goto_secret;
906 }
908 # Append unit tag if needed
909 if (defined $unit_tag){
911 # Find admin base and department name
912 $mesg = $ldap_handle->search( base => $ldap_base,
913 scope => 'sub',
914 attrs => ['dn', 'ou'],
915 filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
916 #$mesg->code && die $mesg->error;
917 if($mesg->code) {
918 &main::daemon_log($mesg->error, 1);
919 &main::release_ldap_handle($ldap_handle);
920 return "error-unit-tag-count-0";
921 }
923 # Sanity check
924 if ($mesg->count != 1) {
925 &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
926 &main::release_ldap_handle($ldap_handle);
927 return "error-unit-tag-count-".$mesg->count;
928 }
930 $entry= $mesg->entry(0);
931 $data{'admin_base'}= $entry->dn;
932 $data{'department'}= $entry->get_value("ou");
934 # Append unit Tag
935 $data{'unit_tag'}= $unit_tag;
936 }
937 &main::release_ldap_handle($ldap_handle);
939 # Send information
940 return &build_msg("new_ldap_config", $server_address, $address, \%data);
941 }
944 #=== FUNCTION ================================================================
945 # NAME: hardware_config
946 # PARAMETERS: address - string - ip address and port of a host
947 # RETURNS:
948 # DESCRIPTION:
949 #===============================================================================
950 sub hardware_config {
951 my ($msg, $msg_hash, $session_id) = @_ ;
952 my $address = @{$msg_hash->{source}}[0];
953 my $header = @{$msg_hash->{header}}[0];
954 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
956 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
957 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
959 # check hit
960 my $hit_counter = keys %{$res};
961 if( not $hit_counter == 1 ) {
962 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
963 }
964 my $macaddress = $res->{1}->{macaddress};
965 my $hostkey = $res->{1}->{hostkey};
967 if (not defined $macaddress) {
968 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
969 return;
970 }
972 # Perform search
973 my $ldap_handle=&main::get_ldap_handle();
974 $mesg = $ldap_handle->search(
975 base => $ldap_base,
976 scope => 'sub',
977 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
978 );
980 if($mesg->count() == 0) {
981 &main::daemon_log("Host was not found in LDAP!", 1);
983 # set status = hardware_detection at jobqueue if entry exists
984 # TODO
985 # resolve plain name for host
986 my $func_dic = {table=>$main::job_queue_tn,
987 primkey=>['macaddress', 'headertag'],
988 timestamp=>&get_time,
989 status=>'processing',
990 result=>'none',
991 progress=>'hardware-detection',
992 headertag=>'trigger_action_reinstall',
993 targettag=>$address,
994 xmlmessage=>'none',
995 macaddress=>$macaddress,
996 plainname=>'none',
997 siserver=>'localhost',
998 modified=>'1',
999 };
1000 my $hd_res = $main::job_db->add_dbentry($func_dic);
1001 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
1003 } else {
1004 my $entry= $mesg->entry(0);
1005 if (defined($entry->get_value("gotoHardwareChecksum"))) {
1006 if (! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
1007 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
1008 if($entry->update($ldap_handle)) {
1009 &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
1010 }
1011 } else {
1012 # Nothing to do
1013 &main::release_ldap_handle($ldap_handle);
1014 return;
1015 }
1016 }
1017 }
1019 # Assemble data package
1020 my %data = ();
1022 # Need to append GOto settings?
1023 if (defined $goto_admin and defined $goto_secret){
1024 $data{'goto_admin'}= $goto_admin;
1025 $data{'goto_secret'}= $goto_secret;
1026 }
1028 &main::release_ldap_handle($ldap_handle);
1030 # Send information
1031 return &build_msg("detect_hardware", $server_address, $address, \%data);
1032 }
1034 sub server_matches {
1035 my $target = shift;
1036 my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
1037 if(!defined($target_ip) or length($target_ip) == 0) {
1038 return;
1039 }
1041 my $result = 0;
1043 if($server_ip eq $target_ip) {
1044 $result= 1;
1045 } elsif ($target_ip eq "0.0.0.0") {
1046 $result= 1;
1047 } elsif ($server_ip eq "0.0.0.0") {
1048 if ($target_ip eq "127.0.0.1") {
1049 $result= 1;
1050 } else {
1051 my $PROC_NET_ROUTE= ('/proc/net/route');
1053 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
1054 or die "Could not open $PROC_NET_ROUTE";
1056 my @ifs = <PROC_NET_ROUTE>;
1058 close(PROC_NET_ROUTE);
1060 # Eat header line
1061 shift @ifs;
1062 chomp @ifs;
1063 foreach my $line(@ifs) {
1064 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
1065 my $destination;
1066 my $mask;
1067 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
1068 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1069 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
1070 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1071 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
1072 # destination matches route, save mac and exit
1073 $result= 1;
1074 last;
1075 }
1076 }
1077 }
1078 } else {
1079 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
1080 }
1082 return $result;
1083 }
1085 # vim:ts=4:shiftwidth:expandtab
1086 1;