1 package ClientPackages;
3 use Exporter;
4 @ISA = ("Exporter");
6 # Each module has to have a function 'process_incoming_msg'. This function works as a interface to gosa-sd and receives the msg hash from gosa-sd. 'process_incoming_function checks, wether it has a function to process the incoming msg and forward the msg to it.
8 use strict;
9 use warnings;
10 use GOSA::GosaSupportDaemon;
11 use IO::Socket::INET;
12 use XML::Simple;
13 use Data::Dumper;
14 use NetAddr::IP;
15 use Net::LDAP;
16 use Net::LDAP::Util;
17 use Socket;
18 use Net::hostent;
20 my $event_dir = "/usr/lib/gosa-si/server/ClientPackages";
21 use lib "/usr/lib/gosa-si/server/ClientPackages";
23 BEGIN{}
24 END {}
26 my ($server_ip, $server_port, $ClientPackages_key, $max_clients, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password, $server_interface);
27 #my ($bus_activ, $bus_key, $bus_ip, $bus_port);
28 my $server;
29 my $network_interface;
30 #my $no_bus;
31 my (@ldap_cfg, @pam_cfg, @nss_cfg, $goto_admin, $goto_secret);
32 my $mesg;
34 my %cfg_defaults = (
35 "server" => {
36 "ip" => [\$server_ip, "0.0.0.0"],
37 "mac-address" => [\$main::server_mac_address, "00:00:00:00:00"],
38 "port" => [\$server_port, "20081"],
39 "ldap-uri" => [\$ldap_uri, ""],
40 "ldap-base" => [\$ldap_base, ""],
41 "ldap-admin-dn" => [\$ldap_admin_dn, ""],
42 "ldap-admin-password" => [\$ldap_admin_password, ""],
43 "max-clients" => [\$max_clients, 100],
44 },
45 "ClientPackages" => {
46 "key" => [\$ClientPackages_key, ""],
47 },
48 );
50 ### START #####################################################################
52 # read configfile and import variables
53 &local_read_configfile();
56 # if server_ip is not an ip address but a name
57 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
58 $network_interface= &get_interface_for_ip($server_ip);
59 $main::server_mac_address= &get_mac($network_interface);
62 # import local events
63 my ($error, $result, $event_hash) = &import_events($event_dir);
65 foreach my $log_line (@$result) {
66 if ($log_line =~ / succeed: /) {
67 &main::daemon_log("0 DEBUG: ClientPackages - $log_line", 7);
68 } else {
69 &main::daemon_log("0 ERROR: ClientPackages - $log_line", 1);
70 }
71 }
73 # Unit tag can be defined in config
74 if((not defined($main::gosa_unit_tag)) || length($main::gosa_unit_tag) == 0) {
75 # Read gosaUnitTag from LDAP
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 }
142 }
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;
157 }
160 #=== FUNCTION ================================================================
161 # NAME: local_read_configfile
162 # PARAMETERS: cfg_file - string -
163 # RETURNS: nothing
164 # DESCRIPTION: read cfg_file and set variables
165 #===============================================================================
166 sub local_read_configfile {
167 my $cfg;
168 if( defined( $main::cfg_file) && ( (-s $main::cfg_file) > 0 )) {
169 if( -r $main::cfg_file ) {
170 $cfg = Config::IniFiles->new( -file => $main::cfg_file );
171 } else {
172 print STDERR "Couldn't read config file!";
173 }
174 } else {
175 $cfg = Config::IniFiles->new() ;
176 }
177 foreach my $section (keys %cfg_defaults) {
178 foreach my $param (keys %{$cfg_defaults{ $section }}) {
179 my $pinfo = $cfg_defaults{ $section }{ $param };
180 ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
181 }
182 }
184 # Read non predefined sections
185 my $param;
186 if ($cfg->SectionExists('ldap')){
187 foreach $param ($cfg->Parameters('ldap')){
188 push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
189 }
190 }
191 if ($cfg->SectionExists('pam_ldap')){
192 foreach $param ($cfg->Parameters('pam_ldap')){
193 push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
194 }
195 }
196 if ($cfg->SectionExists('nss_ldap')){
197 foreach $param ($cfg->Parameters('nss_ldap')){
198 push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
199 }
200 }
201 if ($cfg->SectionExists('goto')){
202 $goto_admin= $cfg->val('goto', 'terminal_admin');
203 $goto_secret= $cfg->val('goto', 'terminal_secret');
204 } else {
205 $goto_admin= undef;
206 $goto_secret= undef;
207 }
209 }
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 $result;
247 }
250 #=== FUNCTION ================================================================
251 # NAME: process_incoming_msg
252 # PARAMETERS: crypted_msg - string - incoming crypted message
253 # RETURNS: nothing
254 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
255 #===============================================================================
256 sub process_incoming_msg {
257 my ($msg, $msg_hash, $session_id) = @_ ;
258 my $error = 0;
259 my $host_name;
260 my $host_key;
261 my @out_msg_l = ("nohandler");
262 my $sql_events;
264 # process incoming msg
265 my $header = @{$msg_hash->{header}}[0];
266 my $source = @{$msg_hash->{source}}[0];
267 my @target_l = @{$msg_hash->{target}};
269 # skip PREFIX
270 $header =~ s/^CLMSG_//;
272 &main::daemon_log("$session_id DEBUG: ClientPackages: msg to process: $header", 7);
274 if( 0 == length @target_l){
275 &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
276 $error++;
277 }
279 if( 1 == length @target_l) {
280 my $target = $target_l[0];
281 if(&server_matches($target)) {
282 if ($header eq 'new_key') {
283 @out_msg_l = &new_key($msg_hash)
284 } elsif ($header eq 'here_i_am') {
285 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id)
286 } else {
287 # a event exists with the header as name
288 if( exists $event_hash->{$header} ) {
289 &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
290 no strict 'refs';
291 @out_msg_l = &{$event_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
293 # if no event handler is implemented
294 } else {
295 $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$source') OR (hostname='$source') )";
296 my $res = $main::known_clients_db->select_dbentry( $sql_events );
297 my $l = keys(%$res);
299 # set error if no or more than 1 hits are found for sql query
300 if ( $l != 1) {
301 @out_msg_l = ('knownclienterror');
303 # found exact 1 hit in db
304 } else {
305 my $client_events = $res->{'1'}->{'events'};
307 # client is registered for this event, deliver this message to client
308 $header =~ s/^answer_//;
309 if ($client_events =~ /,$header,/) {
310 # answer message finally arrived destination server, so forward messages to GOsa
311 if ($target eq $main::server_address) {
312 $msg =~ s/<header>answer_/<header>/;
313 $msg =~ s/<target>\S+<\/target>/<target>GOSA<\/target>/;
314 }
315 @out_msg_l = ( $msg );
317 # client is not registered for this event, set error
318 } else {
319 @out_msg_l = ('noeventerror');
320 }
321 }
322 }
323 }
325 # if delivery not possible raise error and return
326 if( not defined $out_msg_l[0] ) {
327 @out_msg_l = ();
328 } elsif( $out_msg_l[0] eq 'nohandler') {
329 &main::daemon_log("$session_id ERROR: ClientPackages: no event handler or core function defined for '$header'", 1);
330 @out_msg_l = ();
331 } elsif ($out_msg_l[0] eq 'knownclienterror') {
332 &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
333 &main::daemon_log("$session_id ERROR: processing is aborted and message will not be forwarded", 1);
334 @out_msg_l = ();
335 } elsif ($out_msg_l[0] eq 'noeventerror') {
336 &main::daemon_log("$session_id ERROR: client '$target' is not registered for event '$header', processing is aborted", 1);
337 @out_msg_l = ();
338 }
343 }
344 else {
345 &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
346 push(@out_msg_l, $msg);
347 }
348 }
350 return \@out_msg_l;
351 }
354 #=== FUNCTION ================================================================
355 # NAME: new_passwd
356 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
357 # RETURNS: nothing
358 # DESCRIPTION: process this incoming message
359 #===============================================================================
360 sub new_key {
361 my ($msg_hash) = @_;
362 my @out_msg_l;
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, $out_msg);
398 }
399 }
401 return @out_msg_l;
402 }
405 #=== FUNCTION ================================================================
406 # NAME: here_i_am
407 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
408 # RETURNS: nothing
409 # DESCRIPTION: process this incoming message
410 #===============================================================================
411 sub here_i_am {
412 my ($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( $sql_statement );
444 if ( 1 == keys %{$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 }
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 }
486 # return acknowledgement to client
487 $out_hash = &create_xml_hash("registered", $server_address, $source);
490 # give the new client his ldap config
491 # Workaround: Send within the registration response, if the client will get an ldap config later
492 my $new_ldap_config_out = &new_ldap_config($source, $session_id);
493 if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
494 &add_content2xml_hash($out_hash, "ldap_available", "true");
495 } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
496 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
498 my $sql_statement = "UPDATE $main::job_queue_tn ".
499 "SET status='error', result='$new_ldap_config_out' ".
500 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
501 my $res = $main::job_db->update_dbentry($sql_statement);
502 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);
503 }
504 my $register_out = &create_xml_string($out_hash);
505 push(@out_msg_l, $register_out);
507 # Really send the ldap config
508 if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
509 push(@out_msg_l, $new_ldap_config_out);
510 }
512 # Send client hardware configuration
513 my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
514 if( $hardware_config_out ) {
515 push(@out_msg_l, $hardware_config_out);
516 }
518 # Send client ntp server
520 my $ntp_config_out = &new_ntp_config($mac_address, $session_id);
521 if ($ntp_config_out) {
522 push(@out_msg_l, $ntp_config_out);
523 }
525 # notify registered client to all other server
526 my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
527 my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
528 push(@out_msg_l, $mymsg);
530 &main::daemon_log("$session_id INFO: register client $source ($mac_address)", 5);
531 &main::daemon_log("$session_id INFO: client version: $client_status - $client_revision", 5);
532 return @out_msg_l;
533 }
536 #=== FUNCTION ================================================================
537 # NAME: who_has
538 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
539 # RETURNS: nothing
540 # DESCRIPTION: process this incoming message
541 #===============================================================================
542 sub who_has {
543 my ($msg_hash) = @_ ;
544 my @out_msg_l;
546 # what is your search pattern
547 my $search_pattern = @{$msg_hash->{who_has}}[0];
548 my $search_element = @{$msg_hash->{$search_pattern}}[0];
549 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
551 # scanning known_clients for search_pattern
552 my @host_addresses = keys %$main::known_clients;
553 my $known_clients_entries = length @host_addresses;
554 my $host_address;
555 foreach my $host (@host_addresses) {
556 my $client_element = $main::known_clients->{$host}->{$search_pattern};
557 if ($search_element eq $client_element) {
558 $host_address = $host;
559 last;
560 }
561 }
563 # search was successful
564 if (defined $host_address) {
565 my $source = @{$msg_hash->{source}}[0];
566 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
567 &add_content2xml_hash($out_hash, "mac_address", $search_element);
568 my $out_msg = &create_xml_string($out_hash);
569 push(@out_msg_l, $out_msg);
570 }
571 return @out_msg_l;
572 }
575 sub who_has_i_do {
576 my ($msg_hash) = @_ ;
577 my $header = @{$msg_hash->{header}}[0];
578 my $source = @{$msg_hash->{source}}[0];
579 my $search_param = @{$msg_hash->{$header}}[0];
580 my $search_value = @{$msg_hash->{$search_param}}[0];
581 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
582 }
585 sub new_ntp_config {
586 my ($address, $session_id) = @_;
587 my $ntp_msg;
589 # Build LDAP connection
590 my $ldap_handle = &main::get_ldap_handle($session_id);
591 if( not defined $ldap_handle ) {
592 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
593 return;
594 }
596 # Perform search
597 my $ldap_res = $ldap_handle->search( base => $ldap_base,
598 scope => 'sub',
599 attrs => ['gotoNtpServer'],
600 filter => "(&(objectClass=GOhard)(macaddress=$address))");
601 if($ldap_res->code) {
602 &main::daemon_log("$session_id ".$ldap_res->error, 1);
603 return;
604 }
606 # Sanity check
607 if ($ldap_res->count != 1) {
608 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
609 "\n\tbase: $ldap_base".
610 "\n\tscope: sub".
611 "\n\tattrs: gotoNtpServer".
612 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$address))", 1);
613 return;
614 }
616 my $entry= $ldap_res->entry(0);
617 my $dn = &Net::LDAP::Util::escape_dn_value($entry->dn);
618 my @ntp_servers= $entry->get_value("gotoNtpServer");
620 # If no ntp server is specified at host, just have a look at the object group of the host
621 # Perform object group search
622 if ((not @ntp_servers) || (@ntp_servers == 0)) {
623 my $ldap_res = $ldap_handle->search( base => $ldap_base,
624 scope => 'sub',
625 attrs => ['gotoNtpServer'],
626 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
627 if($ldap_res->code) {
628 &main::daemon_log("$session_id ".$ldap_res->error, 1);
629 return;
630 }
632 # Sanity check
633 if ($ldap_res->count != 1) {
634 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
635 "\n\tbase: $ldap_base".
636 "\n\tscope: sub".
637 "\n\tattrs: gotoNtpServer".
638 "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$dn))", 1);
639 return;
640 }
642 my $entry= $ldap_res->entry(0);
643 @ntp_servers= $entry->get_value("gotoNtpServer");
644 }
646 # Return if no ntp server specified
647 if ((not @ntp_servers) || (@ntp_servers == 0)) {
648 &main::daemon_log("$session_id WARNING: no ntp server specified for this host '$address'", 3);
649 return;
650 }
652 # Add each ntp server to 'ntp_config' message
653 my $ntp_msg_hash = &create_xml_hash("new_ntp_config", $server_address, $address);
654 foreach my $ntp_server (@ntp_servers) {
655 &add_content2xml_hash($ntp_msg_hash, "server", $ntp_server);
656 }
658 return &create_xml_string($ntp_msg_hash);
659 }
662 #=== FUNCTION ================================================================
663 # NAME: new_ldap_config
664 # PARAMETERS: address - string - ip address and port of a host
665 # RETURNS: gosa-si conform message
666 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
667 #===============================================================================
668 sub new_ldap_config {
669 my ($address, $session_id) = @_ ;
671 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
672 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
674 # check hit
675 my $hit_counter = keys %{$res};
676 if( not $hit_counter == 1 ) {
677 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query '$sql_statement'", 1);
678 }
680 $address = $res->{1}->{hostname};
681 my $macaddress = $res->{1}->{macaddress};
682 my $hostkey = $res->{1}->{hostkey};
684 if (not defined $macaddress) {
685 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
686 return;
687 }
689 # Build LDAP connection
690 my $ldap_handle = &main::get_ldap_handle($session_id);
691 if( not defined $ldap_handle ) {
692 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
693 return;
694 }
696 # Perform search
697 $mesg = $ldap_handle->search( base => $ldap_base,
698 scope => 'sub',
699 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
700 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
701 if($mesg->code) {
702 &main::daemon_log("$session_id ".$mesg->error, 1);
703 return;
704 }
706 # Sanity check
707 if ($mesg->count != 1) {
708 &main::daemon_log("$session_id WARNING: client with mac address $macaddress not found/unique/active - not sending ldap config".
709 "\n\tbase: $ldap_base".
710 "\n\tscope: sub".
711 "\n\tattrs: dn, gotoLdapServer".
712 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
713 return;
714 }
716 my $entry= $mesg->entry(0);
717 my $dn= $entry->dn;
718 my @servers= $entry->get_value("gotoLdapServer");
719 my $unit_tag= $entry->get_value("gosaUnitTag");
720 my @ldap_uris;
721 my $server;
722 my $base;
723 my $release;
725 # Fill release if available
726 my $FAIclass= $entry->get_value("FAIclass");
727 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
728 $release= $1;
729 }
731 # Do we need to look at an object class?
732 if (not @servers){
733 my $escaped_dn = &Net::LDAP::Util::escape_dn_value($dn);
734 $mesg = $ldap_handle->search( base => $ldap_base,
735 scope => 'sub',
736 attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
737 filter => "(&(objectClass=gosaGroupOfNames)(member=$escaped_dn))");
738 if($mesg->code) {
739 &main::daemon_log("$session_id ERROR: unable to search for '(&(objectClass=gosaGroupOfNames)(member=$dn))': ".$mesg->error, 1);
740 return;
741 }
743 # Sanity check
744 if ($mesg->count != 1) {
745 &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
746 "\n\tbase: $ldap_base".
747 "\n\tscope: sub".
748 "\n\tattrs: dn, gotoLdapServer, FAIclass".
749 "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$escaped_dn))", 1);
750 return;
751 }
753 $entry= $mesg->entry(0);
754 $dn= $entry->dn;
755 @servers= $entry->get_value("gotoLdapServer");
757 if (not defined $release){
758 $FAIclass= $entry->get_value("FAIclass");
759 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
760 $release= $1;
761 }
762 }
763 }
765 @servers= sort (@servers);
767 # complain if no ldap information found
768 if (@servers == 0) {
769 &main::daemon_log("$session_id ERROR: no gotoLdapServer information for LDAP entry '$dn'", 1);
770 }
772 foreach $server (@servers){
773 # Conversation for backward compatibility
774 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
775 if ($server =~ /^([^:]+):([^:]+)$/ ) {
776 $server= "1:dummy:ldap://$1/$2";
777 } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
778 $server= "$1:dummy:ldap://$2/$3";
779 }
780 }
782 $base= $server;
783 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
784 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
785 push (@ldap_uris, $server);
786 }
788 # Assemble data package
789 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
790 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
791 if (defined $release){
792 $data{'release'}= $release;
793 }
795 # Need to append GOto settings?
796 if (defined $goto_admin and defined $goto_secret){
797 $data{'goto_admin'}= $goto_admin;
798 $data{'goto_secret'}= $goto_secret;
799 }
801 # Append unit tag if needed
802 if (defined $unit_tag){
804 # Find admin base and department name
805 $mesg = $ldap_handle->search( base => $ldap_base,
806 scope => 'sub',
807 attrs => ['dn', 'ou'],
808 filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
809 #$mesg->code && die $mesg->error;
810 if($mesg->code) {
811 &main::daemon_log($mesg->error, 1);
812 return "error-unit-tag-count-0";
813 }
815 # Sanity check
816 if ($mesg->count != 1) {
817 &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
818 return "error-unit-tag-count-".$mesg->count;
819 }
821 $entry= $mesg->entry(0);
822 $data{'admin_base'}= $entry->dn;
823 $data{'department'}= $entry->get_value("ou");
825 # Append unit Tag
826 $data{'unit_tag'}= $unit_tag;
827 }
829 # Send information
830 return &build_msg("new_ldap_config", $server_address, $address, \%data);
831 }
834 #=== FUNCTION ================================================================
835 # NAME: hardware_config
836 # PARAMETERS: address - string - ip address and port of a host
837 # RETURNS:
838 # DESCRIPTION:
839 #===============================================================================
840 sub hardware_config {
841 my ($msg, $msg_hash, $session_id) = @_ ;
842 my $address = @{$msg_hash->{source}}[0];
843 my $header = @{$msg_hash->{header}}[0];
844 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
846 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
847 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
849 # check hit
850 my $hit_counter = keys %{$res};
851 if( not $hit_counter == 1 ) {
852 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
853 }
854 my $macaddress = $res->{1}->{macaddress};
855 my $hostkey = $res->{1}->{hostkey};
857 if (not defined $macaddress) {
858 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
859 return;
860 }
862 # Build LDAP connection
863 my $ldap_handle = &main::get_ldap_handle($session_id);
864 if( not defined $ldap_handle ) {
865 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
866 return;
867 }
869 # Perform search
870 $mesg = $ldap_handle->search(
871 base => $ldap_base,
872 scope => 'sub',
873 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
874 );
876 if($mesg->count() == 0) {
877 &main::daemon_log("Host was not found in LDAP!", 1);
879 # set status = hardware_detection at jobqueue if entry exists
880 # TODO
881 # resolve plain name for host
882 my $func_dic = {table=>$main::job_queue_tn,
883 primkey=>['macaddress', 'headertag'],
884 timestamp=>&get_time,
885 status=>'processing',
886 result=>'none',
887 progress=>'hardware-detection',
888 headertag=>'trigger_action_reinstall',
889 targettag=>$address,
890 xmlmessage=>'none',
891 macaddress=>$macaddress,
892 plainname=>'none',
893 siserver=>'localhost',
894 modified=>'1',
895 };
896 my $hd_res = $main::job_db->add_dbentry($func_dic);
897 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
899 } else {
900 my $entry= $mesg->entry(0);
901 my $dn= $entry->dn;
902 if (defined($entry->get_value("gotoHardwareChecksum"))) {
903 if (! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
904 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
905 if($entry->update($ldap_handle)) {
906 &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
907 }
908 } else {
909 # Nothing to do
910 return;
911 }
912 }
913 }
915 # Assemble data package
916 my %data = ();
918 # Need to append GOto settings?
919 if (defined $goto_admin and defined $goto_secret){
920 $data{'goto_admin'}= $goto_admin;
921 $data{'goto_secret'}= $goto_secret;
922 }
924 # Send information
925 return &build_msg("detect_hardware", $server_address, $address, \%data);
926 }
928 sub server_matches {
929 my $target = shift;
930 my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
931 if(!defined($target_ip) or length($target_ip) == 0) {
932 return;
933 }
935 my $result = 0;
937 if($server_ip eq $target_ip) {
938 $result= 1;
939 } elsif ($target_ip eq "0.0.0.0") {
940 $result= 1;
941 } elsif ($server_ip eq "0.0.0.0") {
942 if ($target_ip eq "127.0.0.1") {
943 $result= 1;
944 } else {
945 my $PROC_NET_ROUTE= ('/proc/net/route');
947 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
948 or die "Could not open $PROC_NET_ROUTE";
950 my @ifs = <PROC_NET_ROUTE>;
952 close(PROC_NET_ROUTE);
954 # Eat header line
955 shift @ifs;
956 chomp @ifs;
957 foreach my $line(@ifs) {
958 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
959 my $destination;
960 my $mask;
961 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
962 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
963 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
964 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
965 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
966 # destination matches route, save mac and exit
967 $result= 1;
968 last;
969 }
970 }
971 }
972 } else {
973 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
974 }
976 return $result;
977 }
979 # vim:ts=4:shiftwidth:expandtab
980 1;