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 }
72 # build vice versa event_hash, event_name => module
73 my $event2module_hash = {};
74 while (my ($module, $mod_events) = each %$event_hash) {
75 while (my ($event_name, $nothing) = each %$mod_events) {
76 $event2module_hash->{$event_name} = $module;
77 }
79 }
81 # Unit tag can be defined in config
82 if((not defined($main::gosa_unit_tag)) || length($main::gosa_unit_tag) == 0) {
83 # Read gosaUnitTag from LDAP
85 my $ldap_handle = &main::get_ldap_handle();
86 if( defined($ldap_handle) ) {
87 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with mac address $main::server_mac_address",5);
88 # Perform search for Unit Tag
89 $mesg = $ldap_handle->search(
90 base => $ldap_base,
91 scope => 'sub',
92 attrs => ['gosaUnitTag'],
93 filter => "(macaddress=$main::server_mac_address)"
94 );
96 if ((! $main::server_mac_address eq "00:00:00:00:00:00") and $mesg->count == 1) {
97 my $entry= $mesg->entry(0);
98 my $unit_tag= $entry->get_value("gosaUnitTag");
99 $main::ldap_server_dn= $mesg->entry(0)->dn;
100 if(defined($unit_tag) && length($unit_tag) > 0) {
101 &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
102 $main::gosa_unit_tag= $unit_tag;
103 }
104 } else {
105 # Perform another search for Unit Tag
106 my $hostname= `hostname -f`;
107 chomp($hostname);
108 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
109 $mesg = $ldap_handle->search(
110 base => $ldap_base,
111 scope => 'sub',
112 attrs => ['gosaUnitTag'],
113 filter => "(&(cn=$hostname)(objectClass=goServer))"
114 );
115 if ($mesg->count == 1) {
116 my $entry= $mesg->entry(0);
117 my $unit_tag= $entry->get_value("gosaUnitTag");
118 $main::ldap_server_dn= $mesg->entry(0)->dn;
119 if(defined($unit_tag) && length($unit_tag) > 0) {
120 &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
121 $main::gosa_unit_tag= $unit_tag;
122 }
123 } else {
124 # Perform another search for Unit Tag
125 $hostname= `hostname -s`;
126 chomp($hostname);
127 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
128 $mesg = $ldap_handle->search(
129 base => $ldap_base,
130 scope => 'sub',
131 attrs => ['gosaUnitTag'],
132 filter => "(&(cn=$hostname)(objectClass=goServer))"
133 );
134 if ($mesg->count == 1) {
135 my $entry= $mesg->entry(0);
136 my $unit_tag= $entry->get_value("gosaUnitTag");
137 $main::ldap_server_dn= $mesg->entry(0)->dn;
138 if(defined($unit_tag) && length($unit_tag) > 0) {
139 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
140 $main::gosa_unit_tag= $unit_tag;
141 }
142 } else {
143 &main::daemon_log("0 WARNING: No gosaUnitTag detected. Not using gosaUnitTag", 3);
144 }
145 }
146 }
147 } else {
148 &main::daemon_log("0 INFO: Using gosaUnitTag from config-file: $main::gosa_unit_tag",5);
149 }
150 }
153 my $server_address = "$server_ip:$server_port";
154 $main::server_address = $server_address;
157 ### functions #################################################################
160 sub get_module_info {
161 my @info = ($server_address,
162 $ClientPackages_key,
163 $event_hash,
164 );
165 return \@info;
166 }
169 #=== FUNCTION ================================================================
170 # NAME: local_read_configfile
171 # PARAMETERS: cfg_file - string -
172 # RETURNS: nothing
173 # DESCRIPTION: read cfg_file and set variables
174 #===============================================================================
175 sub local_read_configfile {
176 my $cfg;
177 if( defined( $main::cfg_file) && ( (-s $main::cfg_file) > 0 )) {
178 if( -r $main::cfg_file ) {
179 $cfg = Config::IniFiles->new( -file => $main::cfg_file );
180 } else {
181 print STDERR "Couldn't read config file!";
182 }
183 } else {
184 $cfg = Config::IniFiles->new() ;
185 }
186 foreach my $section (keys %cfg_defaults) {
187 foreach my $param (keys %{$cfg_defaults{ $section }}) {
188 my $pinfo = $cfg_defaults{ $section }{ $param };
189 ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
190 }
191 }
193 # Read non predefined sections
194 my $param;
195 if ($cfg->SectionExists('ldap')){
196 foreach $param ($cfg->Parameters('ldap')){
197 push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
198 }
199 }
200 if ($cfg->SectionExists('pam_ldap')){
201 foreach $param ($cfg->Parameters('pam_ldap')){
202 push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
203 }
204 }
205 if ($cfg->SectionExists('nss_ldap')){
206 foreach $param ($cfg->Parameters('nss_ldap')){
207 push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
208 }
209 }
210 if ($cfg->SectionExists('goto')){
211 $goto_admin= $cfg->val('goto', 'terminal_admin');
212 $goto_secret= $cfg->val('goto', 'terminal_secret');
213 } else {
214 $goto_admin= undef;
215 $goto_secret= undef;
216 }
218 }
221 #=== FUNCTION ================================================================
222 # NAME: get_mac
223 # PARAMETERS: interface name (i.e. eth0)
224 # RETURNS: (mac address)
225 # DESCRIPTION: Uses ioctl to get mac address directly from system.
226 #===============================================================================
227 sub get_mac {
228 my $ifreq= shift;
229 my $result;
230 if ($ifreq && length($ifreq) > 0) {
231 if($ifreq eq "all") {
232 $result = "00:00:00:00:00:00";
233 } else {
234 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
236 # A configured MAC Address should always override a guessed value
237 if ($main::server_mac_address and length($main::server_mac_address) > 0) {
238 $result= $main::server_mac_address;
239 }
241 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
242 or die "socket: $!";
244 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
245 my ($if, $mac)= unpack 'h36 H12', $ifreq;
247 if (length($mac) > 0) {
248 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
249 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
250 $result = $mac;
251 }
252 }
253 }
254 }
255 return $result;
256 }
259 #=== FUNCTION ================================================================
260 # NAME: process_incoming_msg
261 # PARAMETERS: crypted_msg - string - incoming crypted message
262 # RETURNS: nothing
263 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
264 #===============================================================================
265 sub process_incoming_msg {
266 my ($msg, $msg_hash, $session_id) = @_ ;
267 my $error = 0;
268 my $host_name;
269 my $host_key;
270 my @out_msg_l = ("nohandler");
271 my $sql_events;
273 # process incoming msg
274 my $header = @{$msg_hash->{header}}[0];
275 my $source = @{$msg_hash->{source}}[0];
276 my @target_l = @{$msg_hash->{target}};
278 # skip PREFIX
279 $header =~ s/^CLMSG_//;
281 &main::daemon_log("$session_id DEBUG: ClientPackages: msg to process: $header", 7);
283 if( 0 == length @target_l){
284 &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
285 $error++;
286 }
288 if( 1 == length @target_l) {
289 my $target = $target_l[0];
290 if(&server_matches($target)) {
291 if ($header eq 'new_key') {
292 @out_msg_l = &new_key($msg_hash)
293 } elsif ($header eq 'here_i_am') {
294 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id)
295 } else {
296 # a event exists with the header as name
297 if( exists $event2module_hash->{$header} ) {
298 &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event2module_hash->{$header}."'", 5);
299 no strict 'refs';
300 @out_msg_l = &{$event2module_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
302 # if no event handler is implemented
303 } else {
304 $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$source') OR (hostname='$source') )";
305 my $res = $main::known_clients_db->select_dbentry( $sql_events );
306 my $l = keys(%$res);
308 # set error if no or more than 1 hits are found for sql query
309 if ( $l != 1) {
310 @out_msg_l = ('knownclienterror');
312 # found exact 1 hit in db
313 } else {
314 my $client_events = $res->{'1'}->{'events'};
316 # client is registered for this event, deliver this message to client
317 $header =~ s/^answer_//;
318 if ($client_events =~ /,$header,/) {
319 # answer message finally arrived destination server, so forward messages to GOsa
320 if ($target eq $main::server_address) {
321 $msg =~ s/<header>answer_/<header>/;
322 $msg =~ s/<target>\S+<\/target>/<target>GOSA<\/target>/;
323 }
324 @out_msg_l = ( $msg );
326 # client is not registered for this event, set error
327 } else {
328 @out_msg_l = ('noeventerror');
329 }
330 }
331 }
332 }
334 # if delivery not possible raise error and return
335 if( not defined $out_msg_l[0] ) {
336 @out_msg_l = ();
337 } elsif( $out_msg_l[0] eq 'nohandler') {
338 &main::daemon_log("$session_id ERROR: ClientPackages: no event handler or core function defined for '$header'", 1);
339 @out_msg_l = ();
340 } elsif ($out_msg_l[0] eq 'knownclienterror') {
341 &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
342 &main::daemon_log("$session_id ERROR: processing is aborted and message will not be forwarded", 1);
343 @out_msg_l = ();
344 } elsif ($out_msg_l[0] eq 'noeventerror') {
345 &main::daemon_log("$session_id ERROR: client '$target' is not registered for event '$header', processing is aborted", 1);
346 @out_msg_l = ();
347 }
352 }
353 else {
354 &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
355 push(@out_msg_l, $msg);
356 }
357 }
359 return \@out_msg_l;
360 }
363 #=== FUNCTION ================================================================
364 # NAME: new_passwd
365 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
366 # RETURNS: nothing
367 # DESCRIPTION: process this incoming message
368 #===============================================================================
369 sub new_key {
370 my ($msg_hash) = @_;
371 my @out_msg_l;
373 my $header = @{$msg_hash->{header}}[0];
374 my $source_name = @{$msg_hash->{source}}[0];
375 my $source_key = @{$msg_hash->{new_key}}[0];
376 my $query_res;
378 # check known_clients_db
379 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
380 $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
381 if( 1 == keys %{$query_res} ) {
382 my $act_time = &get_time;
383 my $sql_statement= "UPDATE known_clients ".
384 "SET hostkey='$source_key', timestamp='$act_time' ".
385 "WHERE hostname='$source_name'";
386 my $res = $main::known_clients_db->update_dbentry( $sql_statement );
387 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
388 my $out_msg = &create_xml_string($hash);
389 push(@out_msg_l, $out_msg);
390 }
392 # only do if host still not found
393 if( 0 == @out_msg_l ) {
394 # check known_server_db
395 $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
396 $query_res = $main::known_server_db->select_dbentry( $sql_statement );
397 if( 1 == keys %{$query_res} ) {
398 my $act_time = &get_time;
399 my $sql_statement= "UPDATE known_server ".
400 "SET hostkey='$source_key', timestamp='$act_time' ".
401 "WHERE hostname='$source_name'";
402 my $res = $main::known_server_db->update_dbentry( $sql_statement );
404 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
405 my $out_msg = &create_xml_string($hash);
406 push(@out_msg_l, $out_msg);
407 }
408 }
410 return @out_msg_l;
411 }
414 #=== FUNCTION ================================================================
415 # NAME: here_i_am
416 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
417 # RETURNS: nothing
418 # DESCRIPTION: process this incoming message
419 #===============================================================================
420 sub here_i_am {
421 my ($msg, $msg_hash, $session_id) = @_;
422 my @out_msg_l;
423 my $out_hash;
424 my $source = @{$msg_hash->{source}}[0];
425 my $mac_address = @{$msg_hash->{mac_address}}[0];
426 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
427 my $client_status = @{$msg_hash->{client_status}}[0];
428 my $client_revision = @{$msg_hash->{client_revision}}[0];
429 my $key_lifetime = @{$msg_hash->{key_lifetime}}[0];
431 # Move forced hostname to heap - if used
432 #FIXME: move to some global POE namespace - please
433 if ( defined($msg_hash->{'force-hostname'}[0]) &&
434 length($msg_hash->{'force-hostname'}[0]) > 0){
435 # $heap->{force-hostname}->{$mac_address}= $msg_hash->{'force-hostname'}[0];
436 open (TFILE, ">/var/tmp/$mac_address");
437 print TFILE $msg_hash->{'force-hostname'}[0];
438 close (TFILE);
439 } else {
440 # $heap->{force-hostname}->{$mac_address}= undef;
441 if ( -e "/var/tmp/$mac_address") {
442 unlink("/var/tmp/$mac_address")
443 };
444 }
446 # number of known clients
447 my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
449 # check wether client address or mac address is already known
450 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
451 my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
453 if ( 1 == keys %{$db_res} ) {
454 &main::daemon_log("$session_id WARNING: $source is already known as a client", 1);
455 &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 1);
456 $nu_clients --;
457 }
459 # number of current active clients
460 my $act_nu_clients = $nu_clients;
462 &main::daemon_log("$session_id INFO: number of current active clients: $act_nu_clients", 5);
463 &main::daemon_log("$session_id INFO: number of maximal allowed clients: $max_clients", 5);
465 if($max_clients <= $act_nu_clients) {
466 my $out_hash = &create_xml_hash("denied", $server_address, $source);
467 &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
468 my $passwd = @{$msg_hash->{new_passwd}}[0];
469 &send_msg_hash2address($out_hash, $source, $passwd);
470 return;
471 }
473 # new client accepted
474 my $new_passwd = @{$msg_hash->{new_passwd}}[0];
476 # add entry to known_clients_db
477 my $events = @{$msg_hash->{events}}[0];
478 my $act_timestamp = &get_time;
479 my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
480 primkey=>['hostname'],
481 hostname=>$source,
482 events=>$events,
483 macaddress=>$mac_address,
484 status=>'registered',
485 hostkey=>$new_passwd,
486 timestamp=>$act_timestamp,
487 keylifetime=>$key_lifetime,
488 } );
490 if ($res != 0) {
491 &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res");
492 return;
493 }
495 # return acknowledgement to client
496 $out_hash = &create_xml_hash("registered", $server_address, $source);
499 # give the new client his ldap config
500 # Workaround: Send within the registration response, if the client will get an ldap config later
501 my $new_ldap_config_out = &new_ldap_config($source, $session_id);
502 if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
503 &add_content2xml_hash($out_hash, "ldap_available", "true");
504 } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
505 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
507 my $sql_statement = "UPDATE $main::job_queue_tn ".
508 "SET status='error', result='$new_ldap_config_out' ".
509 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
510 my $res = $main::job_db->update_dbentry($sql_statement);
511 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);
512 }
513 my $register_out = &create_xml_string($out_hash);
514 push(@out_msg_l, $register_out);
516 # Really send the ldap config
517 if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
518 push(@out_msg_l, $new_ldap_config_out);
519 }
521 # Send client hardware configuration
522 my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
523 if( $hardware_config_out ) {
524 push(@out_msg_l, $hardware_config_out);
525 }
527 # Send client ntp server
528 my $ntp_config_out = &new_ntp_config($mac_address, $session_id);
529 if ($ntp_config_out) {
530 push(@out_msg_l, $ntp_config_out);
531 }
533 # Send client syslog server
534 my $syslog_config_out = &new_syslog_config($mac_address, $session_id);
535 if ($syslog_config_out) {
536 push(@out_msg_l, $syslog_config_out);
537 }
539 # Backported from GOsa SI 2.7: update ldap entry if exists
540 my $ldap_handle = &main::get_ldap_handle($session_id);
541 if( not defined $ldap_handle ) {
542 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
543 return;
544 }
546 my $ldap_res= $ldap_handle->search(
547 base => $ldap_base,
548 scope => 'sub',
549 #attrs => ['ipHostNumber'],
550 filter => "(&(objectClass=GOhard)(macAddress=$mac_address))");
551 if($ldap_res->code) {
552 &main::daemon_log("$session_id ERROR: LDAP Entry for client with mac address $mac_address not found: ".$ldap_res->error, 1);
553 } elsif ($ldap_res->count != 1) {
554 &main::daemon_log("$session_id WARNING: client with mac address $mac_address not found/unique/active - not updating ldap entry".
555 "\n\tbase: $ldap_base".
556 "\n\tscope: sub".
557 "\n\tattrs: ipHostNumber".
558 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$mac_address))", 1);
559 } else {
560 my $entry= $ldap_res->pop_entry();
561 my $ip_address= $entry->get_value('ipHostNumber');
562 my $source_ip= ($1) if $source =~ /^([0-9\.]*?):[0-9]*$/;
563 if(not defined($ip_address) and defined($source_ip)) {
564 $entry->add( 'ipHostNumber' => $source_ip );
565 my $mesg= $entry->update($ldap_handle);
566 $mesg->code && &main::daemon_log("$session_id ERROR: Updating IP Address for client with mac address $mac_address failed with '".$mesg->mesg()."'", 1);
567 } elsif(defined($source_ip) and not ($source_ip eq $ip_address)) {
568 $entry->replace( 'ipHostNumber' => $source_ip );
569 my $mesg= $entry->update($ldap_handle);
570 $mesg->code && &main::daemon_log("$session_id ERROR: Updating IP Address for client with mac address $mac_address failed with '".$mesg->mesg()."'", 1);
571 } elsif (not defined($source_ip)) {
572 &main::daemon_log("ERROR: Could not parse source value '$source' perhaps not an ip address?", 1);
573 }
574 }
577 # notify registered client to all other server
578 my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
579 my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
580 push(@out_msg_l, $mymsg);
582 &main::daemon_log("$session_id INFO: register client $source ($mac_address)", 5);
583 &main::daemon_log("$session_id INFO: client version: $client_status - $client_revision", 5);
584 return @out_msg_l;
585 }
588 #=== FUNCTION ================================================================
589 # NAME: who_has
590 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
591 # RETURNS: nothing
592 # DESCRIPTION: process this incoming message
593 #===============================================================================
594 sub who_has {
595 my ($msg_hash) = @_ ;
596 my @out_msg_l;
598 # what is your search pattern
599 my $search_pattern = @{$msg_hash->{who_has}}[0];
600 my $search_element = @{$msg_hash->{$search_pattern}}[0];
601 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
603 # scanning known_clients for search_pattern
604 my @host_addresses = keys %$main::known_clients;
605 my $known_clients_entries = length @host_addresses;
606 my $host_address;
607 foreach my $host (@host_addresses) {
608 my $client_element = $main::known_clients->{$host}->{$search_pattern};
609 if ($search_element eq $client_element) {
610 $host_address = $host;
611 last;
612 }
613 }
615 # search was successful
616 if (defined $host_address) {
617 my $source = @{$msg_hash->{source}}[0];
618 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
619 &add_content2xml_hash($out_hash, "mac_address", $search_element);
620 my $out_msg = &create_xml_string($out_hash);
621 push(@out_msg_l, $out_msg);
622 }
623 return @out_msg_l;
624 }
627 sub who_has_i_do {
628 my ($msg_hash) = @_ ;
629 my $header = @{$msg_hash->{header}}[0];
630 my $source = @{$msg_hash->{source}}[0];
631 my $search_param = @{$msg_hash->{$header}}[0];
632 my $search_value = @{$msg_hash->{$search_param}}[0];
633 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
634 }
637 sub new_syslog_config {
638 my ($mac_address, $session_id) = @_;
639 my $syslog_msg;
641 # Build LDAP connection
642 my $ldap_handle = &main::get_ldap_handle($session_id);
643 if( not defined $ldap_handle ) {
644 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
645 return;
646 }
648 # Perform search
649 my $ldap_res = $ldap_handle->search( base => $ldap_base,
650 scope => 'sub',
651 attrs => ['gotoSyslogServer'],
652 filter => "(&(objectClass=GOhard)(macaddress=$mac_address))");
653 if($ldap_res->code) {
654 &main::daemon_log("$session_id ".$ldap_res->error, 1);
655 return;
656 }
658 # Sanity check
659 if ($ldap_res->count != 1) {
660 &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
661 "\n\tbase: $ldap_base".
662 "\n\tscope: sub".
663 "\n\tattrs: gotoSyslogServer".
664 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$mac_address))", 1);
665 return;
666 }
668 my $entry= $ldap_res->entry(0);
669 my $filter_dn = &Net::LDAP::Util::escape_filter_value($entry->dn);
670 my $syslog_server = $entry->get_value("gotoSyslogServer");
672 # If no syslog server is specified at host, just have a look at the object group of the host
673 # Perform object group search
674 if (not defined $syslog_server) {
675 my $ldap_res = $ldap_handle->search( base => $ldap_base,
676 scope => 'sub',
677 attrs => ['gotoSyslogServer'],
678 filter => "(&(objectClass=gosaGroupOfNames)(member=$filter_dn))");
679 if($ldap_res->code) {
680 &main::daemon_log("$session_id ".$ldap_res->error, 1);
681 return;
682 }
684 # Sanity check
685 if ($ldap_res->count != 1) {
686 &main::daemon_log("$session_id ERROR: client with mac address $mac_address not found/unique/active - not sending syslog config".
687 "\n\tbase: $ldap_base".
688 "\n\tscope: sub".
689 "\n\tattrs: gotoSyslogServer".
690 "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
691 return;
692 }
694 my $entry= $ldap_res->entry(0);
695 $syslog_server= $entry->get_value("gotoSyslogServer");
696 }
698 # Return if no syslog server specified
699 if (not defined $syslog_server) {
700 &main::daemon_log("$session_id WARNING: no syslog server specified for this host '$mac_address'", 3);
701 return;
702 }
705 # Add syslog server to 'syslog_config' message
706 my $syslog_msg_hash = &create_xml_hash("new_syslog_config", $server_address, $mac_address);
707 &add_content2xml_hash($syslog_msg_hash, "server", $syslog_server);
709 return &create_xml_string($syslog_msg_hash);
710 }
713 sub new_ntp_config {
714 my ($address, $session_id) = @_;
715 my $ntp_msg;
717 # Build LDAP connection
718 my $ldap_handle = &main::get_ldap_handle($session_id);
719 if( not defined $ldap_handle ) {
720 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
721 return;
722 }
724 # Perform search
725 my $ldap_res = $ldap_handle->search( base => $ldap_base,
726 scope => 'sub',
727 attrs => ['gotoNtpServer'],
728 filter => "(&(objectClass=GOhard)(macaddress=$address))");
729 if($ldap_res->code) {
730 &main::daemon_log("$session_id ".$ldap_res->error, 1);
731 return;
732 }
734 # Sanity check
735 if ($ldap_res->count != 1) {
736 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
737 "\n\tbase: $ldap_base".
738 "\n\tscope: sub".
739 "\n\tattrs: gotoNtpServer".
740 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$address))", 1);
741 return;
742 }
744 my $entry= $ldap_res->entry(0);
745 my $filter_dn = &Net::LDAP::Util::escape_filter_value($entry->dn);
746 my @ntp_servers= $entry->get_value("gotoNtpServer");
748 # If no ntp server is specified at host, just have a look at the object group of the host
749 # Perform object group search
750 if ((not @ntp_servers) || (@ntp_servers == 0)) {
751 my $ldap_res = $ldap_handle->search( base => $ldap_base,
752 scope => 'sub',
753 attrs => ['gotoNtpServer'],
754 filter => "(&(objectClass=gosaGroupOfNames)(member=$filter_dn))");
755 if($ldap_res->code) {
756 &main::daemon_log("$session_id ".$ldap_res->error, 1);
757 return;
758 }
760 # Sanity check
761 if ($ldap_res->count != 1) {
762 &main::daemon_log("$session_id ERROR: client with mac address $address not found/unique/active - not sending ntp config".
763 "\n\tbase: $ldap_base".
764 "\n\tscope: sub".
765 "\n\tattrs: gotoNtpServer".
766 "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
767 return;
768 }
770 my $entry= $ldap_res->entry(0);
771 @ntp_servers= $entry->get_value("gotoNtpServer");
772 }
774 # Return if no ntp server specified
775 if ((not @ntp_servers) || (@ntp_servers == 0)) {
776 &main::daemon_log("$session_id WARNING: no ntp server specified for this host '$address'", 3);
777 return;
778 }
780 # Add each ntp server to 'ntp_config' message
781 my $ntp_msg_hash = &create_xml_hash("new_ntp_config", $server_address, $address);
782 foreach my $ntp_server (@ntp_servers) {
783 &add_content2xml_hash($ntp_msg_hash, "server", $ntp_server);
784 }
786 return &create_xml_string($ntp_msg_hash);
787 }
790 #=== FUNCTION ================================================================
791 # NAME: new_ldap_config
792 # PARAMETERS: address - string - ip address and port of a host
793 # RETURNS: gosa-si conform message
794 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
795 #===============================================================================
796 sub new_ldap_config {
797 my ($address, $session_id) = @_ ;
799 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
800 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
802 # check hit
803 my $hit_counter = keys %{$res};
804 if( not $hit_counter == 1 ) {
805 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query '$sql_statement'", 1);
806 return;
807 }
809 $address = $res->{1}->{hostname};
810 my $macaddress = $res->{1}->{macaddress};
811 my $hostkey = $res->{1}->{hostkey};
813 if (not defined $macaddress) {
814 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
815 return;
816 }
818 # Build LDAP connection
819 my $ldap_handle = &main::get_ldap_handle($session_id);
820 if( not defined $ldap_handle ) {
821 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
822 return;
823 }
825 # Perform search
826 $mesg = $ldap_handle->search( base => $ldap_base,
827 scope => 'sub',
828 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
829 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
830 if($mesg->code) {
831 &main::daemon_log("$session_id ".$mesg->error, 1);
832 return;
833 }
835 # Sanity check
836 if ($mesg->count != 1) {
837 &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
838 "\n\tbase: $ldap_base".
839 "\n\tscope: sub".
840 "\n\tattrs: dn, gotoLdapServer".
841 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
842 return;
843 }
845 my $entry= $mesg->entry(0);
846 my $filter_dn= &Net::LDAP::Util::escape_filter_value($entry->dn);
847 my @servers= $entry->get_value("gotoLdapServer");
848 my $unit_tag= $entry->get_value("gosaUnitTag");
849 my @ldap_uris;
850 my $server;
851 my $base;
852 my $release;
853 my $dn= $entry->dn;
855 # Fill release if available
856 my $FAIclass= $entry->get_value("FAIclass");
857 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
858 $release= $1;
859 }
861 # Do we need to look at an object class?
862 if (not @servers){
863 $mesg = $ldap_handle->search( base => $ldap_base,
864 scope => 'sub',
865 attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
866 filter => "(&(objectClass=gosaGroupOfNames)(member=$filter_dn))");
867 if($mesg->code) {
868 &main::daemon_log("$session_id ERROR: unable to search for '(&(objectClass=gosaGroupOfNames)(member=$filter_dn))': ".$mesg->error, 1);
869 return;
870 }
872 # Sanity check
873 if ($mesg->count != 1) {
874 &main::daemon_log("$session_id ERROR: client with mac address $macaddress not found/unique/active - not sending ldap config".
875 "\n\tbase: $ldap_base".
876 "\n\tscope: sub".
877 "\n\tattrs: dn, gotoLdapServer, FAIclass".
878 "\n\tfilter: (&(objectClass=gosaGroupOfNames)(member=$filter_dn))", 1);
879 return;
880 }
882 $entry= $mesg->entry(0);
883 $dn= $entry->dn;
884 @servers= $entry->get_value("gotoLdapServer");
886 if (not defined $release){
887 $FAIclass= $entry->get_value("FAIclass");
888 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
889 $release= $1;
890 }
891 }
892 }
894 @servers= sort (@servers);
896 # complain if no ldap information found
897 if (@servers == 0) {
898 &main::daemon_log("$session_id ERROR: no gotoLdapServer information for LDAP entry '$dn'", 1);
899 }
901 foreach $server (@servers){
902 # Conversation for backward compatibility
903 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
904 if ($server =~ /^([^:]+):([^:]+)$/ ) {
905 $server= "1:dummy:ldap://$1/$2";
906 } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
907 $server= "$1:dummy:ldap://$2/$3";
908 }
909 }
911 $base= $server;
912 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
913 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
914 push (@ldap_uris, $server);
915 }
917 # Assemble data package
918 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
919 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
920 if (defined $release){
921 $data{'release'}= $release;
922 }
924 # Need to append GOto settings?
925 if (defined $goto_admin and defined $goto_secret){
926 $data{'goto_admin'}= $goto_admin;
927 $data{'goto_secret'}= $goto_secret;
928 }
930 # Append unit tag if needed
931 if (defined $unit_tag){
933 # Find admin base and department name
934 $mesg = $ldap_handle->search( base => $ldap_base,
935 scope => 'sub',
936 attrs => ['dn', 'ou'],
937 filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
938 #$mesg->code && die $mesg->error;
939 if($mesg->code) {
940 &main::daemon_log($mesg->error, 1);
941 return "error-unit-tag-count-0";
942 }
944 # Sanity check
945 if ($mesg->count != 1) {
946 &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
947 return "error-unit-tag-count-".$mesg->count;
948 }
950 $entry= $mesg->entry(0);
951 $data{'admin_base'}= $entry->dn;
952 $data{'department'}= $entry->get_value("ou");
954 # Append unit Tag
955 $data{'unit_tag'}= $unit_tag;
956 }
958 # Send information
959 return &build_msg("new_ldap_config", $server_address, $address, \%data);
960 }
963 #=== FUNCTION ================================================================
964 # NAME: hardware_config
965 # PARAMETERS: address - string - ip address and port of a host
966 # RETURNS:
967 # DESCRIPTION:
968 #===============================================================================
969 sub hardware_config {
970 my ($msg, $msg_hash, $session_id) = @_ ;
971 my $address = @{$msg_hash->{source}}[0];
972 my $header = @{$msg_hash->{header}}[0];
973 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
975 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
976 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
978 # check hit
979 my $hit_counter = keys %{$res};
980 if( not $hit_counter == 1 ) {
981 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
982 }
983 my $macaddress = $res->{1}->{macaddress};
984 my $hostkey = $res->{1}->{hostkey};
986 if (not defined $macaddress) {
987 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
988 return;
989 }
991 # Build LDAP connection
992 my $ldap_handle = &main::get_ldap_handle($session_id);
993 if( not defined $ldap_handle ) {
994 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
995 return;
996 }
998 # Perform search
999 $mesg = $ldap_handle->search(
1000 base => $ldap_base,
1001 scope => 'sub',
1002 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
1003 );
1005 if($mesg->count() == 0) {
1006 &main::daemon_log("Host was not found in LDAP!", 1);
1008 # set status = hardware_detection at jobqueue if entry exists
1009 # TODO
1010 # resolve plain name for host
1011 my $func_dic = {table=>$main::job_queue_tn,
1012 primkey=>['macaddress', 'headertag'],
1013 timestamp=>&get_time,
1014 status=>'processing',
1015 result=>'none',
1016 progress=>'hardware-detection',
1017 headertag=>'trigger_action_reinstall',
1018 targettag=>$address,
1019 xmlmessage=>'none',
1020 macaddress=>$macaddress,
1021 plainname=>'none',
1022 siserver=>'localhost',
1023 modified=>'1',
1024 };
1025 my $hd_res = $main::job_db->add_dbentry($func_dic);
1026 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
1028 } else {
1029 my $entry= $mesg->entry(0);
1030 if (defined($entry->get_value("gotoHardwareChecksum"))) {
1031 if (! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
1032 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
1033 if($entry->update($ldap_handle)) {
1034 &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
1035 }
1036 } else {
1037 # Nothing to do
1038 return;
1039 }
1040 }
1041 }
1043 # Assemble data package
1044 my %data = ();
1046 # Need to append GOto settings?
1047 if (defined $goto_admin and defined $goto_secret){
1048 $data{'goto_admin'}= $goto_admin;
1049 $data{'goto_secret'}= $goto_secret;
1050 }
1052 # Send information
1053 return &build_msg("detect_hardware", $server_address, $address, \%data);
1054 }
1056 sub server_matches {
1057 my $target = shift;
1058 my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
1059 if(!defined($target_ip) or length($target_ip) == 0) {
1060 return;
1061 }
1063 my $result = 0;
1065 if($server_ip eq $target_ip) {
1066 $result= 1;
1067 } elsif ($target_ip eq "0.0.0.0") {
1068 $result= 1;
1069 } elsif ($server_ip eq "0.0.0.0") {
1070 if ($target_ip eq "127.0.0.1") {
1071 $result= 1;
1072 } else {
1073 my $PROC_NET_ROUTE= ('/proc/net/route');
1075 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
1076 or die "Could not open $PROC_NET_ROUTE";
1078 my @ifs = <PROC_NET_ROUTE>;
1080 close(PROC_NET_ROUTE);
1082 # Eat header line
1083 shift @ifs;
1084 chomp @ifs;
1085 foreach my $line(@ifs) {
1086 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
1087 my $destination;
1088 my $mask;
1089 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
1090 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1091 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
1092 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1093 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
1094 # destination matches route, save mac and exit
1095 $result= 1;
1096 last;
1097 }
1098 }
1099 }
1100 } else {
1101 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
1102 }
1104 return $result;
1105 }
1107 # vim:ts=4:shiftwidth:expandtab
1108 1;