1 package ClientPackages;
3 # 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.
5 use strict;
6 use warnings;
8 use IO::Socket::INET;
9 use XML::Simple;
10 use Data::Dumper;
11 use NetAddr::IP;
12 use Net::LDAP;
13 use Net::LDAP::Util;
14 use Socket;
15 use Net::hostent;
16 use GOsaSI::GosaSupportDaemon;
18 use Exporter;
20 our @ISA = ("Exporter");
22 my $event_dir = "/usr/lib/gosa-si/server/ClientPackages";
23 use lib "/usr/lib/gosa-si/server/ClientPackages";
25 BEGIN{}
26 END {}
28 my ($server_ip, $server_port, $ClientPackages_key, $max_clients, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password, $server_interface);
29 my $server;
30 my $network_interface;
31 my (@ldap_cfg, @pam_cfg, @nss_cfg, $goto_admin, $goto_secret);
32 my $mesg;
34 my %cfg_defaults = (
35 "Server" => {
36 "ip" => [\$server_ip, "0.0.0.0"],
37 "mac-address" => [\$main::server_mac_address, "00:00:00:00:00"],
38 "port" => [\$server_port, "20081"],
39 "ldap-uri" => [\$ldap_uri, ""],
40 "ldap-base" => [\$ldap_base, ""],
41 "ldap-admin-dn" => [\$ldap_admin_dn, ""],
42 "ldap-admin-password" => [\$ldap_admin_password, ""],
43 "max-clients" => [\$max_clients, 100],
44 },
45 "ClientPackages" => {
46 "key" => [\$ClientPackages_key, ""],
47 },
48 );
50 ### START #####################################################################
52 # read configfile and import variables
53 #why not using the main::read_configfile !!
54 &local_read_configfile();
57 # if server_ip is not an ip address but a name
58 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
59 $network_interface= &get_interface_for_ip($server_ip);
60 $main::server_mac_address= &get_mac($network_interface);
63 # import local events
64 my ($error, $result, $event_hash) = &import_events($event_dir);
66 foreach my $log_line (@$result) {
67 if ($log_line =~ / succeed: /) {
68 &main::daemon_log("0 INFO: ClientPackages - $log_line", 5);
69 } else {
70 &main::daemon_log("0 ERROR: ClientPackages - $log_line", 1);
71 }
72 }
73 # build vice versa event_hash, event_name => module
74 my $event2module_hash = {};
75 while (my ($module, $mod_events) = each %$event_hash) {
76 while (my ($event_name, $nothing) = each %$mod_events) {
77 $event2module_hash->{$event_name} = $module;
78 }
80 }
82 # Unit tag can be defined in config
83 if((not defined($main::gosa_unit_tag)) || length($main::gosa_unit_tag) == 0) {
84 # Read gosaUnitTag from LDAP
86 my $ldap_handle = &main::get_ldap_handle();
87 if( defined($ldap_handle) ) {
88 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with mac address $main::server_mac_address",5);
89 # Perform search for Unit Tag
90 $mesg = $ldap_handle->search(
91 base => $ldap_base,
92 scope => 'sub',
93 attrs => ['gosaUnitTag'],
94 filter => "(macaddress=$main::server_mac_address)"
95 );
97 if ((! $main::server_mac_address eq "00:00:00:00:00:00") and $mesg->count == 1) {
98 my $entry= $mesg->entry(0);
99 my $unit_tag= $entry->get_value("gosaUnitTag");
100 $main::ldap_server_dn= $mesg->entry(0)->dn;
101 if(defined($unit_tag) && length($unit_tag) > 0) {
102 &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
103 $main::gosa_unit_tag= $unit_tag;
104 }
105 } else {
106 # Perform another search for Unit Tag
107 my $hostname= `hostname -f`;
108 chomp($hostname);
109 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
110 $mesg = $ldap_handle->search(
111 base => $ldap_base,
112 scope => 'sub',
113 attrs => ['gosaUnitTag'],
114 filter => "(&(cn=$hostname)(objectClass=goServer))"
115 );
116 if ($mesg->count == 1) {
117 my $entry= $mesg->entry(0);
118 my $unit_tag= $entry->get_value("gosaUnitTag");
119 $main::ldap_server_dn= $mesg->entry(0)->dn;
120 if(defined($unit_tag) && length($unit_tag) > 0) {
121 &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
122 $main::gosa_unit_tag= $unit_tag;
123 }
124 } else {
125 # Perform another search for Unit Tag
126 $hostname= `hostname -s`;
127 chomp($hostname);
128 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
129 $mesg = $ldap_handle->search(
130 base => $ldap_base,
131 scope => 'sub',
132 attrs => ['gosaUnitTag'],
133 filter => "(&(cn=$hostname)(objectClass=goServer))"
134 );
135 if ($mesg->count == 1) {
136 my $entry= $mesg->entry(0);
137 my $unit_tag= $entry->get_value("gosaUnitTag");
138 $main::ldap_server_dn= $mesg->entry(0)->dn;
139 if(defined($unit_tag) && length($unit_tag) > 0) {
140 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
141 $main::gosa_unit_tag= $unit_tag;
142 }
143 } else {
144 &main::daemon_log("0 WARNING: No gosaUnitTag detected. Not using gosaUnitTag", 3);
145 }
146 }
147 }
148 } else {
149 &main::daemon_log("0 INFO: Using gosaUnitTag from config-file: $main::gosa_unit_tag",5);
150 }
151 &main::release_ldap_handle($ldap_handle);
152 }
155 my $server_address = "$server_ip:$server_port";
156 $main::server_address = $server_address;
158 {
159 # Check if ou=incoming exists
160 # TODO: This should be transferred to a module init-function
161 my $ldap_handle = &main::get_ldap_handle();
162 if( defined($ldap_handle) ) {
163 &main::daemon_log("0 INFO: Searching for ou=incoming container for new clients", 5);
164 # Perform search
165 my $mesg = $ldap_handle->search(
166 base => $ldap_base,
167 scope => 'one',
168 filter => "(&(ou=incoming)(objectClass=organizationalUnit))"
169 );
170 if(not defined($mesg->count) or $mesg->count == 0) {
171 my $incomingou = Net::LDAP::Entry->new();
172 $incomingou->dn('ou=incoming,'.$ldap_base);
173 $incomingou->add('objectClass' => 'organizationalUnit');
174 $incomingou->add('ou' => 'incoming');
175 my $result = $incomingou->update($ldap_handle);
176 if($result->code != 0) {
177 &main::daemon_log("0 ERROR: Problem adding ou=incoming: '".$result->error()."'!", 1);
178 }
179 }
180 }
181 &main::release_ldap_handle($ldap_handle);
182 }
185 ### functions #################################################################
188 sub get_module_info {
189 my @info = ($server_address,
190 $ClientPackages_key,
191 $event_hash,
192 );
193 return \@info;
194 }
197 #=== FUNCTION ================================================================
198 # NAME: local_read_configfile
199 # PARAMETERS: cfg_file - string -
200 # RETURNS: nothing
201 # DESCRIPTION: read cfg_file and set variables
202 #===============================================================================
203 sub local_read_configfile {
204 my $cfg;
205 if( defined( $main::cfg_file) && ( (-s $main::cfg_file) > 0 )) {
206 if( -r $main::cfg_file ) {
207 $cfg = Config::IniFiles->new( -file => $main::cfg_file );
208 } else {
209 print STDERR "Couldn't read config file!";
210 }
211 } else {
212 $cfg = Config::IniFiles->new() ;
213 }
214 foreach my $section (keys %cfg_defaults) {
215 foreach my $param (keys %{$cfg_defaults{ $section }}) {
216 my $pinfo = $cfg_defaults{ $section }{ $param };
217 ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
218 }
219 }
221 # Read non predefined sections
222 my $param;
223 if ($cfg->SectionExists('ldap')){
224 foreach $param ($cfg->Parameters('ldap')){
225 push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
226 }
227 }
228 if ($cfg->SectionExists('pam_ldap')){
229 foreach $param ($cfg->Parameters('pam_ldap')){
230 push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
231 }
232 }
233 if ($cfg->SectionExists('nss_ldap')){
234 foreach $param ($cfg->Parameters('nss_ldap')){
235 push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
236 }
237 }
238 if ($cfg->SectionExists('goto')){
239 $goto_admin= $cfg->val('goto', 'terminal_admin');
240 $goto_secret= $cfg->val('goto', 'terminal_secret');
241 } else {
242 $goto_admin= undef;
243 $goto_secret= undef;
244 }
246 }
249 #=== FUNCTION ================================================================
250 # NAME: get_mac
251 # PARAMETERS: interface name (i.e. eth0)
252 # RETURNS: (mac address)
253 # DESCRIPTION: Uses ioctl to get mac address directly from system.
254 #===============================================================================
255 sub get_mac {
256 my $ifreq= shift;
257 my $result;
258 if ($ifreq && length($ifreq) > 0) {
259 if($ifreq eq "all") {
260 $result = "00:00:00:00:00:00";
261 } else {
262 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
264 # A configured MAC Address should always override a guessed value
265 if ($main::server_mac_address and length($main::server_mac_address) > 0) {
266 $result= $main::server_mac_address;
267 }
269 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
270 or die "socket: $!";
272 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
273 my ($if, $mac)= unpack 'h36 H12', $ifreq;
275 if (length($mac) > 0) {
276 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
277 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
278 $result = $mac;
279 }
280 }
281 }
282 }
283 return $result;
284 }
287 #=== FUNCTION ================================================================
288 # NAME: process_incoming_msg
289 # PARAMETERS: crypted_msg - string - incoming crypted message
290 # RETURNS: nothing
291 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
292 #===============================================================================
293 sub process_incoming_msg {
294 my ($msg, $msg_hash, $session_id) = @_ ;
295 my $error = 0;
296 my $host_name;
297 my $host_key;
298 my @out_msg_l = ("nohandler");
299 my $sql_events;
301 # process incoming msg
302 my $header = @{$msg_hash->{header}}[0];
303 my $source = @{$msg_hash->{source}}[0];
304 my @target_l = @{$msg_hash->{target}};
306 # skip PREFIX
307 $header =~ s/^CLMSG_//;
309 &main::daemon_log("$session_id DEBUG: ClientPackages: msg to process: $header", 26);
311 if( 0 == length @target_l){
312 &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
313 $error++;
314 } elsif( 1 == length @target_l) {
315 my $target = $target_l[0];
316 if(&server_matches($target, $session_id)) {
317 if ($header eq 'new_key') {
318 @out_msg_l = &new_key($msg_hash)
319 } elsif ($header eq 'here_i_am') {
320 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id)
321 } else {
322 # a event exists with the header as name
323 if( exists $event2module_hash->{$header} ) {
324 &main::daemon_log("$session_id DEBUG: found event '$header' at event-module '".$event2module_hash->{$header}."'", 26);
325 no strict 'refs';
326 @out_msg_l = &{$event2module_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
328 # if no event handler is implemented
329 } else {
330 $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$source') OR (hostname='$source') )";
331 my $res = $main::known_clients_db->select_dbentry( $sql_events );
332 my $l = keys(%$res);
334 # set error if no or more than 1 hits are found for sql query
335 if ( $l != 1) {
336 @out_msg_l = ('knownclienterror');
338 # found exact 1 hit in db
339 } else {
340 my $client_events = $res->{'1'}->{'events'};
342 # client is registered for this event, deliver this message to client
343 $header =~ s/^answer_//;
344 if ($client_events =~ /,$header,/) {
345 # answer message finally arrived destination server, so forward messages to GOsa
346 if ($target eq $main::server_address) {
347 $msg =~ s/<header>answer_/<header>/;
348 $msg =~ s/<target>\S+<\/target>/<target>GOSA<\/target>/;
349 }
350 @out_msg_l = ( $msg );
352 # client is not registered for this event, set error
353 } else {
354 @out_msg_l = ('noeventerror');
355 }
356 }
357 }
358 }
360 # if delivery not possible raise error and return
361 if( not defined $out_msg_l[0] ) {
362 @out_msg_l = ();
363 } elsif( $out_msg_l[0] eq 'nohandler') {
364 &main::daemon_log("$session_id ERROR: ClientPackages: no event handler or core function defined for '$header'", 1);
365 @out_msg_l = ();
366 } elsif ($out_msg_l[0] eq 'knownclienterror') {
367 &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
368 &main::daemon_log("$session_id ERROR: processing is aborted and message will not be forwarded", 1);
369 @out_msg_l = ();
370 } elsif ($out_msg_l[0] eq 'noeventerror') {
371 &main::daemon_log("$session_id ERROR: client '$target' is not registered for event '$header', processing is aborted", 1);
372 @out_msg_l = ();
373 }
374 } else {
375 &main::daemon_log("DEBUG: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 26);
376 push(@out_msg_l, $msg);
377 }
378 }
380 return \@out_msg_l;
381 }
384 #=== FUNCTION ================================================================
385 # NAME: new_passwd
386 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
387 # RETURNS: nothing
388 # DESCRIPTION: process this incoming message
389 #===============================================================================
390 sub new_key {
391 my ($msg_hash) = @_;
392 my @out_msg_l;
394 my $header = @{$msg_hash->{header}}[0];
395 my $source_name = @{$msg_hash->{source}}[0];
396 my $source_key = @{$msg_hash->{new_key}}[0];
397 my $query_res;
399 # check known_clients_db
400 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
401 $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
402 if( 1 == keys %{$query_res} ) {
403 my $act_time = &get_time;
404 my $sql_statement= "UPDATE known_clients ".
405 "SET hostkey='$source_key', timestamp='$act_time' ".
406 "WHERE hostname='$source_name'";
407 my $res = $main::known_clients_db->update_dbentry( $sql_statement );
408 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
409 my $out_msg = &create_xml_string($hash);
410 push(@out_msg_l, $out_msg);
411 }
413 # only do if host still not found
414 if( 0 == @out_msg_l ) {
415 # check known_server_db
416 $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
417 $query_res = $main::known_server_db->select_dbentry( $sql_statement );
418 if( 1 == keys %{$query_res} ) {
419 my $act_time = &get_time;
420 my $sql_statement= "UPDATE known_server ".
421 "SET hostkey='$source_key', timestamp='$act_time' ".
422 "WHERE hostname='$source_name'";
423 my $res = $main::known_server_db->update_dbentry( $sql_statement );
425 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
426 my $out_msg = &create_xml_string($hash);
427 push(@out_msg_l, $out_msg);
428 }
429 }
431 return @out_msg_l;
432 }
435 #=== FUNCTION ================================================================
436 # NAME: here_i_am
437 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
438 # RETURNS: nothing
439 # DESCRIPTION: process this incoming message
440 #===============================================================================
441 sub here_i_am {
442 my ($msg, $msg_hash, $session_id) = @_;
443 my @out_msg_l;
444 my $out_hash;
445 my $source = @{$msg_hash->{source}}[0];
446 my $mac_address = @{$msg_hash->{mac_address}}[0];
447 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
448 my $client_status = @{$msg_hash->{client_status}}[0];
449 my $client_revision = @{$msg_hash->{client_revision}}[0];
450 my $key_lifetime = @{$msg_hash->{key_lifetime}}[0];
452 # Move forced hostname to heap - if used
453 #FIXME: move to some global POE namespace - please
454 if ( defined($msg_hash->{'force-hostname'}[0]) &&
455 length($msg_hash->{'force-hostname'}[0]) > 0){
456 # $heap->{force-hostname}->{$mac_address}= $msg_hash->{'force-hostname'}[0];
457 open (my $TFILE, ">", "/var/tmp/$mac_address");
458 print $TFILE $msg_hash->{'force-hostname'}[0];
459 close ($TFILE);
460 } else {
461 # $heap->{force-hostname}->{$mac_address}= undef;
462 if ( -e "/var/tmp/$mac_address") {
463 unlink("/var/tmp/$mac_address")
464 };
465 }
467 # number of known clients
468 my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
470 # check wether client address or mac address is already known
471 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
472 my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
474 if ( 1 == keys %{$db_res} ) {
475 &main::daemon_log("$session_id WARNING: $source is already known as a client", 3);
476 &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 3);
477 $nu_clients --;
478 }
480 # number of current active clients
481 my $act_nu_clients = $nu_clients;
483 &main::daemon_log("$session_id DEBUG: number of current active clients: $act_nu_clients", 26);
484 &main::daemon_log("$session_id DEBUG: number of maximal allowed clients: $max_clients", 26);
486 if($max_clients <= $act_nu_clients) {
487 my $out_hash = &create_xml_hash("denied", $server_address, $source);
488 &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
489 my $passwd = @{$msg_hash->{new_passwd}}[0];
490 &send_msg_hash2address($out_hash, $source, $passwd);
491 return;
492 }
494 # new client accepted
495 my $new_passwd = @{$msg_hash->{new_passwd}}[0];
497 # add entry to known_clients_db
498 my $events = @{$msg_hash->{events}}[0];
499 my $act_timestamp = &get_time;
500 my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
501 primkey=>['hostname'],
502 hostname=>$source,
503 events=>$events,
504 macaddress=>$mac_address,
505 status=>'registered',
506 hostkey=>$new_passwd,
507 timestamp=>$act_timestamp,
508 keylifetime=>$key_lifetime,
509 } );
511 if ($res != 0) {
512 &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res",1);
513 return;
514 }
516 # return acknowledgement to client
517 $out_hash = &create_xml_hash("registered", $server_address, $source);
519 # give the new client his ldap config
520 # Workaround: Send within the registration response, if the client will get an ldap config later
521 my $new_ldap_config_out = &new_ldap_config($source, $session_id);
522 if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
523 &add_content2xml_hash($out_hash, "ldap_available", "true");
524 } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
525 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
527 my $sql_statement = "UPDATE $main::job_queue_tn ".
528 "SET status='error', result='$new_ldap_config_out' ".
529 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
530 my $res = $main::job_db->update_dbentry($sql_statement);
531 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 26);
532 }
533 my $register_out = &create_xml_string($out_hash);
534 push(@out_msg_l, $register_out);
536 # Really send the ldap config
537 if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
538 push(@out_msg_l, $new_ldap_config_out);
539 }
541 # Send client hardware configuration
542 my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
543 if( $hardware_config_out ) {
544 push(@out_msg_l, $hardware_config_out);
545 }
547 # Send client ntp server
548 my $ntp_config_out = &new_ntp_config($mac_address, $session_id);
549 if ($ntp_config_out) {
550 push(@out_msg_l, $ntp_config_out);
551 }
553 # Send client syslog server
554 my $syslog_config_out = &new_syslog_config($mac_address, $session_id);
555 if ($syslog_config_out) {
556 push(@out_msg_l, $syslog_config_out);
557 }
559 # update ldap entry if exists
560 my $ldap_handle= &main::get_ldap_handle();
561 my $ldap_res= $ldap_handle->search(
562 base => $ldap_base,
563 scope => 'sub',
564 #attrs => ['ipHostNumber'],
565 filter => "(&(objectClass=GOhard)(macAddress=$mac_address))");
566 if($ldap_res->code) {
567 &main::daemon_log("$session_id ERROR: LDAP Entry for client with mac address $mac_address not found: ".$ldap_res->error, 1);
568 } elsif ($ldap_res->count != 1) {
569 &main::daemon_log("$session_id WARNING: client with mac address $mac_address not found/unique/active - not updating ldap entry".
570 "\n\tbase: $ldap_base".
571 "\n\tscope: sub".
572 "\n\tattrs: ipHostNumber".
573 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$mac_address))", 1);
574 } else {
575 my $entry= $ldap_res->pop_entry();
576 my $ip_address= $entry->get_value('ipHostNumber');
577 my $source_ip= ($1) if $source =~ /^([0-9\.]*?):[0-9]*$/;
578 if(not defined($ip_address) and defined($source_ip)) {
579 $entry->add( 'ipHostNumber' => $source_ip );
580 my $mesg= $entry->update($ldap_handle);
581 $mesg->code && &main::daemon_log("$session_id ERROR: Updating IP Address for client with mac address $mac_address failed with '".$mesg->mesg()."'", 1);
582 } elsif(defined($source_ip) and not ($source_ip eq $ip_address)) {
583 $entry->replace( 'ipHostNumber' => $source_ip );
584 my $mesg= $entry->update($ldap_handle);
585 $mesg->code && &main::daemon_log("$session_id ERROR: Updating IP Address for client with mac address $mac_address failed with '".$mesg->mesg()."'", 1);
586 } elsif (not defined($source_ip)) {
587 &main::daemon_log("ERROR: Could not parse source value '$source' perhaps not an ip address?", 1);
588 }
589 }
590 &main::release_ldap_handle($ldap_handle);
592 # notify registered client to all other server
593 my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
594 my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
595 push(@out_msg_l, $mymsg);
597 &main::daemon_log("$session_id INFO: register client $source ($mac_address), $client_status - $client_revision", 5);
598 return @out_msg_l;
599 }
602 #=== FUNCTION ================================================================
603 # NAME: who_has
604 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
605 # RETURNS: nothing
606 # DESCRIPTION: process this incoming message
607 #===============================================================================
608 sub who_has {
609 my ($msg_hash) = @_ ;
610 my @out_msg_l;
612 # what is your search pattern
613 my $search_pattern = @{$msg_hash->{who_has}}[0];
614 my $search_element = @{$msg_hash->{$search_pattern}}[0];
615 #&main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
617 # scanning known_clients for search_pattern
618 my @host_addresses = keys %$main::known_clients;
619 my $known_clients_entries = length @host_addresses;
620 my $host_address;
621 foreach my $host (@host_addresses) {
622 my $client_element = $main::known_clients->{$host}->{$search_pattern};
623 if ($search_element eq $client_element) {
624 $host_address = $host;
625 last;
626 }
627 }
629 # search was successful
630 if (defined $host_address) {
631 my $source = @{$msg_hash->{source}}[0];
632 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
633 &add_content2xml_hash($out_hash, "mac_address", $search_element);
634 my $out_msg = &create_xml_string($out_hash);
635 push(@out_msg_l, $out_msg);
636 }
637 return @out_msg_l;
638 }
641 sub who_has_i_do {
642 my ($msg_hash) = @_ ;
643 my $header = @{$msg_hash->{header}}[0];
644 my $source = @{$msg_hash->{source}}[0];
645 my $search_param = @{$msg_hash->{$header}}[0];
646 my $search_value = @{$msg_hash->{$search_param}}[0];
647 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
648 }
651 sub new_syslog_config {
652 my ($mac_address, $session_id) = @_;
653 my $syslog_msg;
654 my $ldap_handle=&main::get_ldap_handle();
656 # Perform search
657 my $ldap_res = $ldap_handle->search( base => $ldap_base,
658 scope => 'sub',
659 attrs => ['gotoSyslogServer'],
660 filter => "(&(objectClass=GOhard)(macaddress=$mac_address))");
661 if($ldap_res->code) {
662 &main::daemon_log("$session_id ERROR: new_syslog_config: ldap search: ".$ldap_res->error, 1);
663 &main::release_ldap_handle($ldap_handle);
664 return;
665 }
667 # Sanity check
668 if ($ldap_res->count != 1) {
669 &main::daemon_log("$session_id WARNING: client with mac address $mac_address not found/unique/active - not sending syslog config".
670 "\n\tbase: $ldap_base".
671 "\n\tscope: sub".
672 "\n\tattrs: gotoSyslogServer".
673 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$mac_address))", 1);
674 &main::release_ldap_handle($ldap_handle);
675 return;
676 }
678 my $entry= $ldap_res->entry(0);
679 my $filter_dn = &Net::LDAP::Util::escape_filter_value($entry->dn);
680 my $syslog_server = $entry->get_value("gotoSyslogServer");
682 # If no syslog server is specified at host, just have a look at the object group of the host
683 # Perform object group search
684 if (not defined $syslog_server) {
685 my $ldap_res = $ldap_handle->search( base => $ldap_base,
686 scope => 'sub',
687 attrs => ['gotoSyslogServer'],
688 filter => "(&(gosaGroupObjects=[W])(objectClass=gosaGroupOfNames)(member=$filter_dn))");
689 if($ldap_res->code) {
690 &main::daemon_log("$session_id ERROR: new_syslog_config: ldap search: ".$ldap_res->error, 1);
691 &main::release_ldap_handle($ldap_handle);
692 return;
693 }
695 # Sanity check
696 if ($ldap_res->count != 1) {
697 &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
698 "\n\tbase: $ldap_base".
699 "\n\tscope: sub".
700 "\n\tattrs: gotoSyslogServer".
701 "\n\tfilter: (&(gosaGroupObjects=[W])(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
702 &main::release_ldap_handle($ldap_handle);
703 return;
704 }
706 my $entry= $ldap_res->entry(0);
707 $syslog_server= $entry->get_value("gotoSyslogServer");
708 }
710 # Return if no syslog server specified
711 if (not defined $syslog_server) {
712 &main::daemon_log("$session_id WARNING: no syslog server specified for this host '$mac_address'", 3);
713 &main::release_ldap_handle($ldap_handle);
714 return;
715 }
718 # Add syslog server to 'syslog_config' message
719 my $syslog_msg_hash = &create_xml_hash("new_syslog_config", $server_address, $mac_address);
720 &add_content2xml_hash($syslog_msg_hash, "server", $syslog_server);
722 &main::release_ldap_handle($ldap_handle);
723 return &create_xml_string($syslog_msg_hash);
724 }
727 sub new_ntp_config {
728 my ($address, $session_id) = @_;
729 my $ntp_msg;
730 my $ldap_handle=&main::get_ldap_handle();
732 # Perform search
733 my $ldap_res = $ldap_handle->search( base => $ldap_base,
734 scope => 'sub',
735 attrs => ['gotoNtpServer'],
736 filter => "(&(objectClass=GOhard)(macaddress=$address))");
737 if($ldap_res->code) {
738 &main::daemon_log("$session_id ERROR: new_ntp_config: ldap search: ".$ldap_res->error, 1);
739 &main::release_ldap_handle($ldap_handle);
740 return;
741 }
743 # Sanity check
744 if ($ldap_res->count != 1) {
745 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
746 "\n\tbase: $ldap_base".
747 "\n\tscope: sub".
748 "\n\tattrs: gotoNtpServer".
749 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$address))", 1);
750 &main::release_ldap_handle($ldap_handle);
751 return;
752 }
754 my $entry= $ldap_res->entry(0);
755 my $filter_dn = &Net::LDAP::Util::escape_filter_value($entry->dn);
756 my @ntp_servers= $entry->get_value("gotoNtpServer");
758 # If no ntp server is specified at host, just have a look at the object group of the host
759 # Perform object group search
760 if ((not @ntp_servers) || (@ntp_servers == 0)) {
761 my $ldap_res = $ldap_handle->search( base => $ldap_base,
762 scope => 'sub',
763 attrs => ['gotoNtpServer'],
764 filter => "(&(gosaGroupObjects=[W])(objectClass=gosaGroupOfNames)(member=$filter_dn))");
765 if($ldap_res->code) {
766 &main::daemon_log("$session_id ERROR: new_ntp_config: ldap search: ".$ldap_res->error, 1);
767 &main::release_ldap_handle($ldap_handle);
768 return;
769 }
771 # Sanity check
772 if ($ldap_res->count != 1) {
773 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
774 "\n\tbase: $ldap_base".
775 "\n\tscope: sub".
776 "\n\tattrs: gotoNtpServer".
777 "\n\tfilter: (&(gosaGroupObjects=[W])(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
778 &main::release_ldap_handle($ldap_handle);
779 return;
780 }
782 my $entry= $ldap_res->entry(0);
783 @ntp_servers= $entry->get_value("gotoNtpServer");
784 }
786 # Return if no ntp server specified
787 if ((not @ntp_servers) || (@ntp_servers == 0)) {
788 &main::daemon_log("$session_id WARNING: no ntp server specified for this host '$address'", 3);
789 &main::release_ldap_handle($ldap_handle);
790 return;
791 }
793 # Add each ntp server to 'ntp_config' message
794 my $ntp_msg_hash = &create_xml_hash("new_ntp_config", $server_address, $address);
795 foreach my $ntp_server (@ntp_servers) {
796 &add_content2xml_hash($ntp_msg_hash, "server", $ntp_server);
797 }
799 &main::release_ldap_handle($ldap_handle);
800 return &create_xml_string($ntp_msg_hash);
801 }
804 #=== FUNCTION ================================================================
805 # NAME: new_ldap_config
806 # PARAMETERS: address - string - ip address and port of a host
807 # RETURNS: gosa-si conform message
808 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
809 #===============================================================================
810 sub new_ldap_config {
811 my ($address, $session_id) = @_ ;
813 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
814 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
816 # check hit
817 my $hit_counter = keys %{$res};
818 if( not $hit_counter == 1 ) {
819 &main::daemon_log("$session_id ERROR: new_ldap_config: more or no hit found in known_clients_db by query '$sql_statement'", 1);
820 return;
821 }
823 $address = $res->{1}->{hostname};
824 my $macaddress = $res->{1}->{macaddress};
825 my $hostkey = $res->{1}->{hostkey};
827 if (not defined $macaddress) {
828 &main::daemon_log("$session_id ERROR: new_ldap_config: no mac address found for client $address", 1);
829 return;
830 }
832 # Perform search
833 my $ldap_handle=&main::get_ldap_handle();
834 $mesg = $ldap_handle->search( base => $ldap_base,
835 scope => 'sub',
836 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
837 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
838 if($mesg->code) {
839 &main::daemon_log("$session_id ERROR: new_ldap_config: ldap search: ".$mesg->error, 1);
840 &main::release_ldap_handle($ldap_handle);
841 return;
842 }
844 # Sanity check
845 if ($mesg->count != 1) {
846 &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
847 "\n\tbase: $ldap_base".
848 "\n\tscope: sub".
849 "\n\tattrs: dn, gotoLdapServer".
850 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
851 &main::release_ldap_handle($ldap_handle);
852 return;
853 }
855 my $entry= $mesg->entry(0);
856 my $filter_dn= &Net::LDAP::Util::escape_filter_value($entry->dn);
857 my @servers= $entry->get_value("gotoLdapServer");
858 my $unit_tag= $entry->get_value("gosaUnitTag");
859 my @ldap_uris;
860 my $server;
861 my $base;
862 my $release;
863 my $dn= $entry->dn;
865 # Fill release if available
866 my $FAIclass= $entry->get_value("FAIclass");
867 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
868 $release= $1;
869 }
871 # Do we need to look at an object class?
872 if (not @servers){
873 $mesg = $ldap_handle->search( base => $ldap_base,
874 scope => 'sub',
875 attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
876 filter => "(&(gosaGroupObjects=[W])(objectClass=gosaGroupOfNames)(member=$filter_dn))");
877 if($mesg->code) {
878 &main::daemon_log("$session_id ERROR: new_ldap_config: unable to search for '(&(objectClass=gosaGroupOfNames)(member=$filter_dn))': ".$mesg->error, 1);
879 &main::release_ldap_handle($ldap_handle);
880 return;
881 }
883 # Sanity check
884 if ($mesg->count != 1) {
885 &main::daemon_log("$session_id WARNING: new_ldap_config: client with mac address $macaddress not found/unique/active - not sending ldap config".
886 "\n\tbase: $ldap_base".
887 "\n\tscope: sub".
888 "\n\tattrs: dn, gotoLdapServer, FAIclass".
889 "\n\tfilter: (&(gosaGroupObjects=[W])(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
890 &main::release_ldap_handle($ldap_handle);
891 return;
892 }
894 $entry= $mesg->entry(0);
895 $dn= $entry->dn;
896 @servers= $entry->get_value("gotoLdapServer");
898 if (not defined $release){
899 $FAIclass= $entry->get_value("FAIclass");
900 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
901 $release= $1;
902 }
903 }
904 }
906 @servers= sort (@servers);
908 # complain if no ldap information found
909 if (@servers == 0) {
910 &main::daemon_log("$session_id ERROR: no gotoLdapServer information for LDAP entry '$dn'", 1);
911 }
913 foreach $server (@servers){
914 # Conversation for backward compatibility
915 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
916 if ($server =~ /^([^:]+):([^:]+)$/ ) {
917 $server= "1:dummy:ldap://$1/$2";
918 } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
919 $server= "$1:dummy:ldap://$2/$3";
920 }
921 }
923 $base= $server;
924 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
925 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
926 push (@ldap_uris, $server);
927 }
929 # Assemble data package
930 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
931 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
932 if (defined $release){
933 $data{'release'}= $release;
934 }
936 # Need to append GOto settings?
937 if (defined $goto_admin and defined $goto_secret){
938 $data{'goto_admin'}= $goto_admin;
939 $data{'goto_secret'}= $goto_secret;
940 }
942 # Append unit tag if needed
943 if (defined $unit_tag){
945 # Find admin base and department name
946 $mesg = $ldap_handle->search( base => $ldap_base,
947 scope => 'sub',
948 attrs => ['dn', 'ou'],
949 filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
950 #$mesg->code && die $mesg->error;
951 if($mesg->code) {
952 &main::daemon_log("$session_id ERROR: new_ldap_config: ldap search: ".$mesg->error, 1);
953 &main::release_ldap_handle($ldap_handle);
954 return "error-unit-tag-count-0";
955 }
957 # Sanity check
958 if ($mesg->count != 1) {
959 &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 3);
960 &main::release_ldap_handle($ldap_handle);
961 return "error-unit-tag-count-".$mesg->count;
962 }
964 $entry= $mesg->entry(0);
965 $data{'admin_base'}= $entry->dn;
966 $data{'department'}= $entry->get_value("ou");
968 # Append unit Tag
969 $data{'unit_tag'}= $unit_tag;
970 }
971 &main::release_ldap_handle($ldap_handle);
973 # Send information
974 return &build_msg("new_ldap_config", $server_address, $address, \%data);
975 }
978 #=== FUNCTION ================================================================
979 # NAME: hardware_config
980 # PARAMETERS: address - string - ip address and port of a host
981 # RETURNS:
982 # DESCRIPTION:
983 #===============================================================================
984 sub hardware_config {
985 my ($msg, $msg_hash, $session_id) = @_ ;
986 my $address = @{$msg_hash->{source}}[0];
987 my $header = @{$msg_hash->{header}}[0];
988 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
990 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
991 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
993 # check hit
994 my $hit_counter = keys %{$res};
995 if( not $hit_counter == 1 ) {
996 &main::daemon_log("$session_id ERROR: hardware_config: more or no hit found in known_clients_db by query by '$address'", 1);
997 }
998 my $macaddress = $res->{1}->{macaddress};
999 my $hostkey = $res->{1}->{hostkey};
1001 if (not defined $macaddress) {
1002 &main::daemon_log("$session_id ERROR: hardware_config: no mac address found for client $address", 1);
1003 return;
1004 }
1006 # Perform search
1007 my $ldap_handle=&main::get_ldap_handle();
1008 $mesg = $ldap_handle->search(
1009 base => $ldap_base,
1010 scope => 'sub',
1011 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
1012 );
1014 if($mesg->count() == 0) {
1015 &main::daemon_log("$session_id INFO: Host was not found in LDAP!", 5);
1017 # set status = hardware_detection at jobqueue if entry exists
1018 # TODO
1019 # resolve plain name for host
1020 my $func_dic = {table=>$main::job_queue_tn,
1021 primkey=>['macaddress', 'headertag'],
1022 timestamp=>&get_time,
1023 status=>'processing',
1024 result=>'none',
1025 progress=>'hardware-detection',
1026 headertag=>'trigger_action_reinstall',
1027 targettag=>$address,
1028 xmlmessage=>'none',
1029 macaddress=>$macaddress,
1030 plainname=>'none',
1031 siserver=>'localhost',
1032 modified=>'1',
1033 };
1034 my $hd_res = $main::job_db->add_dbentry($func_dic);
1035 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
1037 } else {
1038 my $entry= $mesg->entry(0);
1039 if (defined($entry->get_value("gotoHardwareChecksum"))) {
1040 if (! ($entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum)) {
1041 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
1042 if($entry->update($ldap_handle)) {
1043 &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
1044 }
1045 } else {
1046 # Nothing to do
1047 &main::release_ldap_handle($ldap_handle);
1048 return;
1049 }
1050 }
1051 }
1053 # Assemble data package
1054 my %data = ();
1056 # Need to append GOto settings?
1057 if (defined $goto_admin and defined $goto_secret){
1058 $data{'goto_admin'}= $goto_admin;
1059 $data{'goto_secret'}= $goto_secret;
1060 }
1062 &main::release_ldap_handle($ldap_handle);
1064 # Send information
1065 return &build_msg("detect_hardware", $server_address, $address, \%data);
1066 }
1068 sub server_matches {
1069 my ($target, $session_id) = @_ ;
1070 my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
1071 if(!defined($target_ip) or length($target_ip) == 0) {
1072 return;
1073 }
1075 my $result = 0;
1077 if($server_ip eq $target_ip) {
1078 $result= 1;
1079 } elsif ($target_ip eq "0.0.0.0") {
1080 $result= 1;
1081 } elsif ($server_ip eq "0.0.0.0") {
1082 if ($target_ip eq "127.0.0.1") {
1083 $result= 1;
1084 } else {
1085 my $PROC_NET_ROUTE= ('/proc/net/route');
1087 open(my $FD_PROC_NET_ROUTE, "<", "$PROC_NET_ROUTE")
1088 or die "Could not open $PROC_NET_ROUTE";
1090 my @ifs = <$FD_PROC_NET_ROUTE>;
1092 close($FD_PROC_NET_ROUTE);
1094 # Eat header line
1095 shift @ifs;
1096 chomp @ifs;
1097 foreach my $line(@ifs) {
1098 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
1099 my $destination;
1100 my $mask;
1101 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
1102 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1103 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
1104 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1105 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
1106 # destination matches route, save mac and exit
1107 $result= 1;
1108 last;
1109 }
1110 }
1111 }
1112 } else {
1113 &main::daemon_log("$session_id INFO: Target ip $target_ip does not match Server ip $server_ip",5);
1114 }
1116 return $result;
1117 }
1119 # vim:ts=4:shiftwidth:expandtab
1120 1;