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 $event_hash,
156 );
157 return \@info;
158 }
161 #=== FUNCTION ================================================================
162 # NAME: local_read_configfile
163 # PARAMETERS: cfg_file - string -
164 # RETURNS: nothing
165 # DESCRIPTION: read cfg_file and set variables
166 #===============================================================================
167 sub local_read_configfile {
168 my $cfg;
169 if( defined( $main::cfg_file) && ( (-s $main::cfg_file) > 0 )) {
170 if( -r $main::cfg_file ) {
171 $cfg = Config::IniFiles->new( -file => $main::cfg_file );
172 } else {
173 print STDERR "Couldn't read config file!";
174 }
175 } else {
176 $cfg = Config::IniFiles->new() ;
177 }
178 foreach my $section (keys %cfg_defaults) {
179 foreach my $param (keys %{$cfg_defaults{ $section }}) {
180 my $pinfo = $cfg_defaults{ $section }{ $param };
181 ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
182 }
183 }
185 # Read non predefined sections
186 my $param;
187 if ($cfg->SectionExists('ldap')){
188 foreach $param ($cfg->Parameters('ldap')){
189 push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
190 }
191 }
192 if ($cfg->SectionExists('pam_ldap')){
193 foreach $param ($cfg->Parameters('pam_ldap')){
194 push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
195 }
196 }
197 if ($cfg->SectionExists('nss_ldap')){
198 foreach $param ($cfg->Parameters('nss_ldap')){
199 push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
200 }
201 }
202 if ($cfg->SectionExists('goto')){
203 $goto_admin= $cfg->val('goto', 'terminal_admin');
204 $goto_secret= $cfg->val('goto', 'terminal_secret');
205 } else {
206 $goto_admin= undef;
207 $goto_secret= undef;
208 }
210 }
213 #=== FUNCTION ================================================================
214 # NAME: get_mac
215 # PARAMETERS: interface name (i.e. eth0)
216 # RETURNS: (mac address)
217 # DESCRIPTION: Uses ioctl to get mac address directly from system.
218 #===============================================================================
219 sub get_mac {
220 my $ifreq= shift;
221 my $result;
222 if ($ifreq && length($ifreq) > 0) {
223 if($ifreq eq "all") {
224 $result = "00:00:00:00:00:00";
225 } else {
226 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
228 # A configured MAC Address should always override a guessed value
229 if ($main::server_mac_address and length($main::server_mac_address) > 0) {
230 $result= $main::server_mac_address;
231 }
233 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
234 or die "socket: $!";
236 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
237 my ($if, $mac)= unpack 'h36 H12', $ifreq;
239 if (length($mac) > 0) {
240 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
241 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
242 $result = $mac;
243 }
244 }
245 }
246 }
247 return $result;
248 }
251 #=== FUNCTION ================================================================
252 # NAME: process_incoming_msg
253 # PARAMETERS: crypted_msg - string - incoming crypted message
254 # RETURNS: nothing
255 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
256 #===============================================================================
257 sub process_incoming_msg {
258 my ($msg, $msg_hash, $session_id) = @_ ;
259 my $error = 0;
260 my $host_name;
261 my $host_key;
262 my @out_msg_l = ("nohandler");
263 my $sql_events;
265 # process incoming msg
266 my $header = @{$msg_hash->{header}}[0];
267 my $source = @{$msg_hash->{source}}[0];
268 my @target_l = @{$msg_hash->{target}};
270 # skip PREFIX
271 $header =~ s/^CLMSG_//;
273 &main::daemon_log("$session_id DEBUG: ClientPackages: msg to process: $header", 7);
275 if( 0 == length @target_l){
276 &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
277 $error++;
278 }
280 if( 1 == length @target_l) {
281 my $target = $target_l[0];
282 if(&server_matches($target)) {
283 if ($header eq 'new_key') {
284 @out_msg_l = &new_key($msg_hash)
285 } elsif ($header eq 'here_i_am') {
286 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id)
287 } else {
288 # a event exists with the header as name
289 if( exists $event_hash->{$header} ) {
290 &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
291 no strict 'refs';
292 @out_msg_l = &{$event_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
294 # if no event handler is implemented
295 } else {
296 $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$source') OR (hostname='$source') )";
297 my $res = $main::known_clients_db->select_dbentry( $sql_events );
298 my $l = keys(%$res);
300 # set error if no or more than 1 hits are found for sql query
301 if ( $l != 1) {
302 @out_msg_l = ('knownclienterror');
304 # found exact 1 hit in db
305 } else {
306 my $client_events = $res->{'1'}->{'events'};
308 # client is registered for this event, deliver this message to client
309 $header =~ s/^answer_//;
310 if ($client_events =~ /,$header,/) {
311 # answer message finally arrived destination server, so forward messages to GOsa
312 if ($target eq $main::server_address) {
313 $msg =~ s/<header>answer_/<header>/;
314 $msg =~ s/<target>\S+<\/target>/<target>GOSA<\/target>/;
315 }
316 @out_msg_l = ( $msg );
318 # client is not registered for this event, set error
319 } else {
320 @out_msg_l = ('noeventerror');
321 }
322 }
323 }
324 }
326 # if delivery not possible raise error and return
327 if( not defined $out_msg_l[0] ) {
328 @out_msg_l = ();
329 } elsif( $out_msg_l[0] eq 'nohandler') {
330 &main::daemon_log("$session_id ERROR: ClientPackages: no event handler or core function defined for '$header'", 1);
331 @out_msg_l = ();
332 } elsif ($out_msg_l[0] eq 'knownclienterror') {
333 &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
334 &main::daemon_log("$session_id ERROR: processing is aborted and message will not be forwarded", 1);
335 @out_msg_l = ();
336 } elsif ($out_msg_l[0] eq 'noeventerror') {
337 &main::daemon_log("$session_id ERROR: client '$target' is not registered for event '$header', processing is aborted", 1);
338 @out_msg_l = ();
339 }
344 }
345 else {
346 &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
347 push(@out_msg_l, $msg);
348 }
349 }
351 return \@out_msg_l;
352 }
355 #=== FUNCTION ================================================================
356 # NAME: new_passwd
357 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
358 # RETURNS: nothing
359 # DESCRIPTION: process this incoming message
360 #===============================================================================
361 sub new_key {
362 my ($msg_hash) = @_;
363 my @out_msg_l;
365 my $header = @{$msg_hash->{header}}[0];
366 my $source_name = @{$msg_hash->{source}}[0];
367 my $source_key = @{$msg_hash->{new_key}}[0];
368 my $query_res;
370 # check known_clients_db
371 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
372 $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
373 if( 1 == keys %{$query_res} ) {
374 my $act_time = &get_time;
375 my $sql_statement= "UPDATE known_clients ".
376 "SET hostkey='$source_key', timestamp='$act_time' ".
377 "WHERE hostname='$source_name'";
378 my $res = $main::known_clients_db->update_dbentry( $sql_statement );
379 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
380 my $out_msg = &create_xml_string($hash);
381 push(@out_msg_l, $out_msg);
382 }
384 # only do if host still not found
385 if( 0 == @out_msg_l ) {
386 # check known_server_db
387 $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
388 $query_res = $main::known_server_db->select_dbentry( $sql_statement );
389 if( 1 == keys %{$query_res} ) {
390 my $act_time = &get_time;
391 my $sql_statement= "UPDATE known_server ".
392 "SET hostkey='$source_key', timestamp='$act_time' ".
393 "WHERE hostname='$source_name'";
394 my $res = $main::known_server_db->update_dbentry( $sql_statement );
396 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
397 my $out_msg = &create_xml_string($hash);
398 push(@out_msg_l, $out_msg);
399 }
400 }
402 return @out_msg_l;
403 }
406 #=== FUNCTION ================================================================
407 # NAME: here_i_am
408 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
409 # RETURNS: nothing
410 # DESCRIPTION: process this incoming message
411 #===============================================================================
412 sub here_i_am {
413 my ($msg, $msg_hash, $session_id) = @_;
414 my @out_msg_l;
415 my $out_hash;
416 my $source = @{$msg_hash->{source}}[0];
417 my $mac_address = @{$msg_hash->{mac_address}}[0];
418 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
419 my $client_status = @{$msg_hash->{client_status}}[0];
420 my $client_revision = @{$msg_hash->{client_revision}}[0];
421 my $key_lifetime = @{$msg_hash->{key_lifetime}}[0];
423 # Move forced hostname to heap - if used
424 #FIXME: move to some global POE namespace - please
425 if ( defined($msg_hash->{'force-hostname'}[0]) &&
426 length($msg_hash->{'force-hostname'}[0]) > 0){
427 # $heap->{force-hostname}->{$mac_address}= $msg_hash->{'force-hostname'}[0];
428 open (TFILE, ">/var/tmp/$mac_address");
429 print TFILE $msg_hash->{'force-hostname'}[0];
430 close (TFILE);
431 } else {
432 # $heap->{force-hostname}->{$mac_address}= undef;
433 if ( -e "/var/tmp/$mac_address") {
434 unlink("/var/tmp/$mac_address")
435 };
436 }
438 # number of known clients
439 my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
441 # check wether client address or mac address is already known
442 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
443 my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
445 if ( 1 == keys %{$db_res} ) {
446 &main::daemon_log("$session_id WARNING: $source is already known as a client", 1);
447 &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 1);
448 $nu_clients --;
449 }
451 # number of actual activ clients
452 my $act_nu_clients = $nu_clients;
454 &main::daemon_log("$session_id INFO: number of actual activ clients: $act_nu_clients", 5);
455 &main::daemon_log("$session_id INFO: number of maximal allowed clients: $max_clients", 5);
457 if($max_clients <= $act_nu_clients) {
458 my $out_hash = &create_xml_hash("denied", $server_address, $source);
459 &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
460 my $passwd = @{$msg_hash->{new_passwd}}[0];
461 &send_msg_hash2address($out_hash, $source, $passwd);
462 return;
463 }
465 # new client accepted
466 my $new_passwd = @{$msg_hash->{new_passwd}}[0];
468 # add entry to known_clients_db
469 my $events = @{$msg_hash->{events}}[0];
470 my $act_timestamp = &get_time;
471 my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
472 primkey=>['hostname'],
473 hostname=>$source,
474 events=>$events,
475 macaddress=>$mac_address,
476 status=>'registered',
477 hostkey=>$new_passwd,
478 timestamp=>$act_timestamp,
479 keylifetime=>$key_lifetime,
480 } );
482 if ($res != 0) {
483 &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res");
484 return;
485 }
487 # return acknowledgement to client
488 $out_hash = &create_xml_hash("registered", $server_address, $source);
491 # give the new client his ldap config
492 # Workaround: Send within the registration response, if the client will get an ldap config later
493 my $new_ldap_config_out = &new_ldap_config($source, $session_id);
494 if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
495 &add_content2xml_hash($out_hash, "ldap_available", "true");
496 } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
497 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
499 my $sql_statement = "UPDATE $main::job_queue_tn ".
500 "SET status='error', result='$new_ldap_config_out' ".
501 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
502 my $res = $main::job_db->update_dbentry($sql_statement);
503 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);
504 }
505 my $register_out = &create_xml_string($out_hash);
506 push(@out_msg_l, $register_out);
508 # Really send the ldap config
509 if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
510 push(@out_msg_l, $new_ldap_config_out);
511 }
513 # Send client hardware configuration
514 my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
515 if( $hardware_config_out ) {
516 push(@out_msg_l, $hardware_config_out);
517 }
519 # 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 # Send client syslog server
526 my $syslog_config_out = &new_syslog_config($mac_address, $session_id);
527 if ($syslog_config_out) {
528 push(@out_msg_l, $syslog_config_out);
529 }
531 # notify registered client to all other server
532 my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
533 my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
534 push(@out_msg_l, $mymsg);
536 &main::daemon_log("$session_id INFO: register client $source ($mac_address)", 5);
537 &main::daemon_log("$session_id INFO: client version: $client_status - $client_revision", 5);
538 return @out_msg_l;
539 }
542 #=== FUNCTION ================================================================
543 # NAME: who_has
544 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
545 # RETURNS: nothing
546 # DESCRIPTION: process this incoming message
547 #===============================================================================
548 sub who_has {
549 my ($msg_hash) = @_ ;
550 my @out_msg_l;
552 # what is your search pattern
553 my $search_pattern = @{$msg_hash->{who_has}}[0];
554 my $search_element = @{$msg_hash->{$search_pattern}}[0];
555 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
557 # scanning known_clients for search_pattern
558 my @host_addresses = keys %$main::known_clients;
559 my $known_clients_entries = length @host_addresses;
560 my $host_address;
561 foreach my $host (@host_addresses) {
562 my $client_element = $main::known_clients->{$host}->{$search_pattern};
563 if ($search_element eq $client_element) {
564 $host_address = $host;
565 last;
566 }
567 }
569 # search was successful
570 if (defined $host_address) {
571 my $source = @{$msg_hash->{source}}[0];
572 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
573 &add_content2xml_hash($out_hash, "mac_address", $search_element);
574 my $out_msg = &create_xml_string($out_hash);
575 push(@out_msg_l, $out_msg);
576 }
577 return @out_msg_l;
578 }
581 sub who_has_i_do {
582 my ($msg_hash) = @_ ;
583 my $header = @{$msg_hash->{header}}[0];
584 my $source = @{$msg_hash->{source}}[0];
585 my $search_param = @{$msg_hash->{$header}}[0];
586 my $search_value = @{$msg_hash->{$search_param}}[0];
587 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
588 }
591 sub new_syslog_config {
592 my ($mac_address, $session_id) = @_;
593 my $syslog_msg;
595 # Build LDAP connection
596 my $ldap_handle = &main::get_ldap_handle($session_id);
597 if( not defined $ldap_handle ) {
598 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
599 return;
600 }
602 # Perform search
603 my $ldap_res = $ldap_handle->search( base => $ldap_base,
604 scope => 'sub',
605 attrs => ['gotoSyslogServer'],
606 filter => "(&(objectClass=GOhard)(macaddress=$mac_address))");
607 if($ldap_res->code) {
608 &main::daemon_log("$session_id ".$ldap_res->error, 1);
609 return;
610 }
612 # Sanity check
613 if ($ldap_res->count != 1) {
614 &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
615 "\n\tbase: $ldap_base".
616 "\n\tscope: sub".
617 "\n\tattrs: gotoSyslogServer".
618 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$mac_address))", 1);
619 return;
620 }
622 my $entry= $ldap_res->entry(0);
623 my $dn = &Net::LDAP::Util::escape_dn_value($entry->dn);
624 my $syslog_server = $entry->get_value("gotoSyslogServer");
626 # If no syslog server is specified at host, just have a look at the object group of the host
627 # Perform object group search
628 if (not defined $syslog_server) {
629 my $ldap_res = $ldap_handle->search( base => $ldap_base,
630 scope => 'sub',
631 attrs => ['gotoSyslogServer'],
632 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
633 if($ldap_res->code) {
634 &main::daemon_log("$session_id ".$ldap_res->error, 1);
635 return;
636 }
638 # Sanity check
639 if ($ldap_res->count != 1) {
640 &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
641 "\n\tbase: $ldap_base".
642 "\n\tscope: sub".
643 "\n\tattrs: gotoSyslogServer".
644 "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$dn))", 1);
645 return;
646 }
648 my $entry= $ldap_res->entry(0);
649 $syslog_server= $entry->get_value("gotoSyslogServer");
650 }
652 # Return if no syslog server specified
653 if (not defined $syslog_server) {
654 &main::daemon_log("$session_id WARNING: no syslog server specified for this host '$mac_address'", 3);
655 return;
656 }
658 # Add syslog server to 'syslog_config' message
659 my $syslog_msg_hash = &create_xml_hash("new_syslog_config", $server_address, $mac_address);
660 &add_content2xml_hash($syslog_msg_hash, "server", $syslog_server);
662 return &create_xml_string($syslog_msg_hash);
663 }
666 sub new_ntp_config {
667 my ($address, $session_id) = @_;
668 my $ntp_msg;
670 # Build LDAP connection
671 my $ldap_handle = &main::get_ldap_handle($session_id);
672 if( not defined $ldap_handle ) {
673 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
674 return;
675 }
677 # Perform search
678 my $ldap_res = $ldap_handle->search( base => $ldap_base,
679 scope => 'sub',
680 attrs => ['gotoNtpServer'],
681 filter => "(&(objectClass=GOhard)(macaddress=$address))");
682 if($ldap_res->code) {
683 &main::daemon_log("$session_id ".$ldap_res->error, 1);
684 return;
685 }
687 # Sanity check
688 if ($ldap_res->count != 1) {
689 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
690 "\n\tbase: $ldap_base".
691 "\n\tscope: sub".
692 "\n\tattrs: gotoNtpServer".
693 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$address))", 1);
694 return;
695 }
697 my $entry= $ldap_res->entry(0);
698 my $dn = &Net::LDAP::Util::escape_dn_value($entry->dn);
699 my @ntp_servers= $entry->get_value("gotoNtpServer");
701 # If no ntp server is specified at host, just have a look at the object group of the host
702 # Perform object group search
703 if ((not @ntp_servers) || (@ntp_servers == 0)) {
704 my $ldap_res = $ldap_handle->search( base => $ldap_base,
705 scope => 'sub',
706 attrs => ['gotoNtpServer'],
707 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
708 if($ldap_res->code) {
709 &main::daemon_log("$session_id ".$ldap_res->error, 1);
710 return;
711 }
713 # Sanity check
714 if ($ldap_res->count != 1) {
715 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
716 "\n\tbase: $ldap_base".
717 "\n\tscope: sub".
718 "\n\tattrs: gotoNtpServer".
719 "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$dn))", 1);
720 return;
721 }
723 my $entry= $ldap_res->entry(0);
724 @ntp_servers= $entry->get_value("gotoNtpServer");
725 }
727 # Return if no ntp server specified
728 if ((not @ntp_servers) || (@ntp_servers == 0)) {
729 &main::daemon_log("$session_id WARNING: no ntp server specified for this host '$address'", 3);
730 return;
731 }
733 # Add each ntp server to 'ntp_config' message
734 my $ntp_msg_hash = &create_xml_hash("new_ntp_config", $server_address, $address);
735 foreach my $ntp_server (@ntp_servers) {
736 &add_content2xml_hash($ntp_msg_hash, "server", $ntp_server);
737 }
739 return &create_xml_string($ntp_msg_hash);
740 }
743 #=== FUNCTION ================================================================
744 # NAME: new_ldap_config
745 # PARAMETERS: address - string - ip address and port of a host
746 # RETURNS: gosa-si conform message
747 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
748 #===============================================================================
749 sub new_ldap_config {
750 my ($address, $session_id) = @_ ;
752 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
753 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
755 # check hit
756 my $hit_counter = keys %{$res};
757 if( not $hit_counter == 1 ) {
758 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query '$sql_statement'", 1);
759 }
761 $address = $res->{1}->{hostname};
762 my $macaddress = $res->{1}->{macaddress};
763 my $hostkey = $res->{1}->{hostkey};
765 if (not defined $macaddress) {
766 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
767 return;
768 }
770 # Build LDAP connection
771 my $ldap_handle = &main::get_ldap_handle($session_id);
772 if( not defined $ldap_handle ) {
773 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
774 return;
775 }
777 # Perform search
778 $mesg = $ldap_handle->search( base => $ldap_base,
779 scope => 'sub',
780 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
781 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
782 if($mesg->code) {
783 &main::daemon_log("$session_id ".$mesg->error, 1);
784 return;
785 }
787 # Sanity check
788 if ($mesg->count != 1) {
789 &main::daemon_log("$session_id WARNING: client with mac address $macaddress not found/unique/active - not sending ldap config".
790 "\n\tbase: $ldap_base".
791 "\n\tscope: sub".
792 "\n\tattrs: dn, gotoLdapServer".
793 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
794 return;
795 }
797 my $entry= $mesg->entry(0);
798 my $dn= $entry->dn;
799 my @servers= $entry->get_value("gotoLdapServer");
800 my $unit_tag= $entry->get_value("gosaUnitTag");
801 my @ldap_uris;
802 my $server;
803 my $base;
804 my $release;
806 # Fill release if available
807 my $FAIclass= $entry->get_value("FAIclass");
808 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
809 $release= $1;
810 }
812 # Do we need to look at an object class?
813 if (not @servers){
814 my $escaped_dn = &Net::LDAP::Util::escape_dn_value($dn);
815 $mesg = $ldap_handle->search( base => $ldap_base,
816 scope => 'sub',
817 attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
818 filter => "(&(objectClass=gosaGroupOfNames)(member=$escaped_dn))");
819 if($mesg->code) {
820 &main::daemon_log("$session_id ERROR: unable to search for '(&(objectClass=gosaGroupOfNames)(member=$dn))': ".$mesg->error, 1);
821 return;
822 }
824 # Sanity check
825 if ($mesg->count != 1) {
826 &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
827 "\n\tbase: $ldap_base".
828 "\n\tscope: sub".
829 "\n\tattrs: dn, gotoLdapServer, FAIclass".
830 "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$escaped_dn))", 1);
831 return;
832 }
834 $entry= $mesg->entry(0);
835 $dn= $entry->dn;
836 @servers= $entry->get_value("gotoLdapServer");
838 if (not defined $release){
839 $FAIclass= $entry->get_value("FAIclass");
840 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
841 $release= $1;
842 }
843 }
844 }
846 @servers= sort (@servers);
848 # complain if no ldap information found
849 if (@servers == 0) {
850 &main::daemon_log("$session_id ERROR: no gotoLdapServer information for LDAP entry '$dn'", 1);
851 }
853 foreach $server (@servers){
854 # Conversation for backward compatibility
855 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
856 if ($server =~ /^([^:]+):([^:]+)$/ ) {
857 $server= "1:dummy:ldap://$1/$2";
858 } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
859 $server= "$1:dummy:ldap://$2/$3";
860 }
861 }
863 $base= $server;
864 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
865 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
866 push (@ldap_uris, $server);
867 }
869 # Assemble data package
870 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
871 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
872 if (defined $release){
873 $data{'release'}= $release;
874 }
876 # Need to append GOto settings?
877 if (defined $goto_admin and defined $goto_secret){
878 $data{'goto_admin'}= $goto_admin;
879 $data{'goto_secret'}= $goto_secret;
880 }
882 # Append unit tag if needed
883 if (defined $unit_tag){
885 # Find admin base and department name
886 $mesg = $ldap_handle->search( base => $ldap_base,
887 scope => 'sub',
888 attrs => ['dn', 'ou'],
889 filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
890 #$mesg->code && die $mesg->error;
891 if($mesg->code) {
892 &main::daemon_log($mesg->error, 1);
893 return "error-unit-tag-count-0";
894 }
896 # Sanity check
897 if ($mesg->count != 1) {
898 &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
899 return "error-unit-tag-count-".$mesg->count;
900 }
902 $entry= $mesg->entry(0);
903 $data{'admin_base'}= $entry->dn;
904 $data{'department'}= $entry->get_value("ou");
906 # Append unit Tag
907 $data{'unit_tag'}= $unit_tag;
908 }
910 # Send information
911 return &build_msg("new_ldap_config", $server_address, $address, \%data);
912 }
915 #=== FUNCTION ================================================================
916 # NAME: hardware_config
917 # PARAMETERS: address - string - ip address and port of a host
918 # RETURNS:
919 # DESCRIPTION:
920 #===============================================================================
921 sub hardware_config {
922 my ($msg, $msg_hash, $session_id) = @_ ;
923 my $address = @{$msg_hash->{source}}[0];
924 my $header = @{$msg_hash->{header}}[0];
925 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
927 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
928 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
930 # check hit
931 my $hit_counter = keys %{$res};
932 if( not $hit_counter == 1 ) {
933 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
934 }
935 my $macaddress = $res->{1}->{macaddress};
936 my $hostkey = $res->{1}->{hostkey};
938 if (not defined $macaddress) {
939 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
940 return;
941 }
943 # Build LDAP connection
944 my $ldap_handle = &main::get_ldap_handle($session_id);
945 if( not defined $ldap_handle ) {
946 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
947 return;
948 }
950 # Perform search
951 $mesg = $ldap_handle->search(
952 base => $ldap_base,
953 scope => 'sub',
954 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
955 );
957 if($mesg->count() == 0) {
958 &main::daemon_log("Host was not found in LDAP!", 1);
960 # set status = hardware_detection at jobqueue if entry exists
961 # TODO
962 # resolve plain name for host
963 my $func_dic = {table=>$main::job_queue_tn,
964 primkey=>['macaddress', 'headertag'],
965 timestamp=>&get_time,
966 status=>'processing',
967 result=>'none',
968 progress=>'hardware-detection',
969 headertag=>'trigger_action_reinstall',
970 targettag=>$address,
971 xmlmessage=>'none',
972 macaddress=>$macaddress,
973 plainname=>'none',
974 siserver=>'localhost',
975 modified=>'1',
976 };
977 my $hd_res = $main::job_db->add_dbentry($func_dic);
978 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
980 } else {
981 my $entry= $mesg->entry(0);
982 my $dn= $entry->dn;
983 if (defined($entry->get_value("gotoHardwareChecksum"))) {
984 if (! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
985 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
986 if($entry->update($ldap_handle)) {
987 &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
988 }
989 } else {
990 # Nothing to do
991 return;
992 }
993 }
994 }
996 # Assemble data package
997 my %data = ();
999 # Need to append GOto settings?
1000 if (defined $goto_admin and defined $goto_secret){
1001 $data{'goto_admin'}= $goto_admin;
1002 $data{'goto_secret'}= $goto_secret;
1003 }
1005 # Send information
1006 return &build_msg("detect_hardware", $server_address, $address, \%data);
1007 }
1009 sub server_matches {
1010 my $target = shift;
1011 my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
1012 if(!defined($target_ip) or length($target_ip) == 0) {
1013 return;
1014 }
1016 my $result = 0;
1018 if($server_ip eq $target_ip) {
1019 $result= 1;
1020 } elsif ($target_ip eq "0.0.0.0") {
1021 $result= 1;
1022 } elsif ($server_ip eq "0.0.0.0") {
1023 if ($target_ip eq "127.0.0.1") {
1024 $result= 1;
1025 } else {
1026 my $PROC_NET_ROUTE= ('/proc/net/route');
1028 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
1029 or die "Could not open $PROC_NET_ROUTE";
1031 my @ifs = <PROC_NET_ROUTE>;
1033 close(PROC_NET_ROUTE);
1035 # Eat header line
1036 shift @ifs;
1037 chomp @ifs;
1038 foreach my $line(@ifs) {
1039 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
1040 my $destination;
1041 my $mask;
1042 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
1043 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1044 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
1045 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1046 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
1047 # destination matches route, save mac and exit
1048 $result= 1;
1049 last;
1050 }
1051 }
1052 }
1053 } else {
1054 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
1055 }
1057 return $result;
1058 }
1060 # vim:ts=4:shiftwidth:expandtab
1061 1;