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 Socket;
17 use Net::hostent;
19 my $event_dir = "/usr/lib/gosa-si/server/ClientPackages";
20 use lib "/usr/lib/gosa-si/server/ClientPackages";
22 BEGIN{}
23 END {}
25 my ($server_ip, $server_port, $ClientPackages_key, $max_clients, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password, $server_interface);
26 my ($bus_activ, $bus_key, $bus_ip, $bus_port);
27 my $server;
28 my $network_interface;
29 my $no_bus;
30 my (@ldap_cfg, @pam_cfg, @nss_cfg, $goto_admin, $goto_secret);
31 my $mesg;
33 my %cfg_defaults = (
34 "bus" => {
35 "activ" => [\$bus_activ, "on"],
36 "key" => [\$bus_key, ""],
37 "ip" => [\$bus_ip, ""],
38 "port" => [\$bus_port, "20080"],
39 },
40 "server" => {
41 "ip" => [\$server_ip, "0.0.0.0"],
42 "mac-address" => [\$main::server_mac_address, "00:00:00:00:00"],
43 "port" => [\$server_port, "20081"],
44 "ldap-uri" => [\$ldap_uri, ""],
45 "ldap-base" => [\$ldap_base, ""],
46 "ldap-admin-dn" => [\$ldap_admin_dn, ""],
47 "ldap-admin-password" => [\$ldap_admin_password, ""],
48 "max-clients" => [\$max_clients, 100],
49 },
50 "ClientPackages" => {
51 "key" => [\$ClientPackages_key, ""],
52 },
53 );
55 ### START #####################################################################
57 # read configfile and import variables
58 &read_configfile();
61 # if server_ip is not an ip address but a name
62 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
63 $network_interface= &get_interface_for_ip($server_ip);
64 $main::server_mac_address= &get_mac($network_interface);
67 # import local events
68 my ($error, $result, $event_hash) = &import_events($event_dir);
69 if ($error == 0) {
70 foreach my $log_line (@$result) {
71 &main::daemon_log("0 DEBUG: ClientPackages - $log_line", 7);
72 }
73 } else {
74 foreach my $log_line (@$result) {
75 &main::daemon_log("0 ERROR: ClientPackages - $log_line", 1);
76 }
78 }
80 # Unit tag can be defined in config
81 if((not defined($main::gosa_unit_tag)) || length($main::gosa_unit_tag) == 0) {
82 # Read gosaUnitTag from LDAP
84 my $ldap_handle = &main::get_ldap_handle();
85 if( defined($ldap_handle) ) {
86 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with mac address $main::server_mac_address",5);
87 # Perform search for Unit Tag
88 $mesg = $ldap_handle->search(
89 base => $ldap_base,
90 scope => 'sub',
91 attrs => ['gosaUnitTag'],
92 filter => "(macaddress=$main::server_mac_address)"
93 );
95 if ((! $main::server_mac_address eq "00:00:00:00:00:00") and $mesg->count == 1) {
96 my $entry= $mesg->entry(0);
97 my $unit_tag= $entry->get_value("gosaUnitTag");
98 $main::ldap_server_dn= $mesg->entry(0)->dn;
99 if(defined($unit_tag) && length($unit_tag) > 0) {
100 &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
101 $main::gosa_unit_tag= $unit_tag;
102 }
103 } else {
104 # Perform another search for Unit Tag
105 my $hostname= `hostname -f`;
106 chomp($hostname);
107 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
108 $mesg = $ldap_handle->search(
109 base => $ldap_base,
110 scope => 'sub',
111 attrs => ['gosaUnitTag'],
112 filter => "(&(cn=$hostname)(objectClass=goServer))"
113 );
114 if ($mesg->count == 1) {
115 my $entry= $mesg->entry(0);
116 my $unit_tag= $entry->get_value("gosaUnitTag");
117 $main::ldap_server_dn= $mesg->entry(0)->dn;
118 if(defined($unit_tag) && length($unit_tag) > 0) {
119 &main::daemon_log("0 INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
120 $main::gosa_unit_tag= $unit_tag;
121 }
122 } else {
123 # Perform another search for Unit Tag
124 $hostname= `hostname -s`;
125 chomp($hostname);
126 &main::daemon_log("0 INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
127 $mesg = $ldap_handle->search(
128 base => $ldap_base,
129 scope => 'sub',
130 attrs => ['gosaUnitTag'],
131 filter => "(&(cn=$hostname)(objectClass=goServer))"
132 );
133 if ($mesg->count == 1) {
134 my $entry= $mesg->entry(0);
135 my $unit_tag= $entry->get_value("gosaUnitTag");
136 $main::ldap_server_dn= $mesg->entry(0)->dn;
137 if(defined($unit_tag) && length($unit_tag) > 0) {
138 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
139 $main::gosa_unit_tag= $unit_tag;
140 }
141 } else {
142 &main::daemon_log("0 WARNING: No gosaUnitTag detected. Not using gosaUnitTag", 3);
143 }
144 }
145 }
146 } else {
147 &main::daemon_log("0 INFO: Using gosaUnitTag from config-file: $main::gosa_unit_tag",5);
148 }
149 }
152 my $server_address = "$server_ip:$server_port";
153 $main::server_address = $server_address;
156 if( inet_aton($bus_ip) ){ $bus_ip = inet_ntoa(inet_aton($bus_ip)); }
157 ######################################################
158 # to change
159 if( $bus_ip eq "127.0.1.1" ) { $bus_ip = "127.0.0.1" }
160 ######################################################
161 my $bus_address = "$bus_ip:$bus_port";
162 $main::bus_address = $bus_address;
164 # create general settings for this module
165 my $xml = new XML::Simple();
167 # register at bus
168 if ($main::no_bus > 0) {
169 $bus_activ = "off"
170 }
171 if($bus_activ eq "on") {
172 ®ister_at_bus();
173 }
176 ### functions #################################################################
179 sub get_module_info {
180 my @info = ($server_address,
181 $ClientPackages_key,
182 );
183 return \@info;
184 }
187 #=== FUNCTION ================================================================
188 # NAME: read_configfile
189 # PARAMETERS: cfg_file - string -
190 # RETURNS: nothing
191 # DESCRIPTION: read cfg_file and set variables
192 #===============================================================================
193 sub read_configfile {
194 my $cfg;
195 if( defined( $main::cfg_file) && ( (-s $main::cfg_file) > 0 )) {
196 if( -r $main::cfg_file ) {
197 $cfg = Config::IniFiles->new( -file => $main::cfg_file );
198 } else {
199 print STDERR "Couldn't read config file!";
200 }
201 } else {
202 $cfg = Config::IniFiles->new() ;
203 }
204 foreach my $section (keys %cfg_defaults) {
205 foreach my $param (keys %{$cfg_defaults{ $section }}) {
206 my $pinfo = $cfg_defaults{ $section }{ $param };
207 ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
208 }
209 }
211 # Read non predefined sections
212 my $param;
213 if ($cfg->SectionExists('ldap')){
214 foreach $param ($cfg->Parameters('ldap')){
215 push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
216 }
217 }
218 if ($cfg->SectionExists('pam_ldap')){
219 foreach $param ($cfg->Parameters('pam_ldap')){
220 push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
221 }
222 }
223 if ($cfg->SectionExists('nss_ldap')){
224 foreach $param ($cfg->Parameters('nss_ldap')){
225 push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
226 }
227 }
228 if ($cfg->SectionExists('goto')){
229 $goto_admin= $cfg->val('goto', 'terminal_admin');
230 $goto_secret= $cfg->val('goto', 'terminal_secret');
231 } else {
232 $goto_admin= undef;
233 $goto_secret= undef;
234 }
236 }
238 #=== FUNCTION ================================================================
239 # NAME: get_interface_for_ip
240 # PARAMETERS: ip address (i.e. 192.168.0.1)
241 # RETURNS: array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
242 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
243 #===============================================================================
244 sub get_interface_for_ip {
245 my $result;
246 my $ip= shift;
247 if ($ip && length($ip) > 0) {
248 my @ifs= &get_interfaces();
249 if($ip eq "0.0.0.0") {
250 $result = "all";
251 } else {
252 foreach (@ifs) {
253 my $if=$_;
254 if(&main::get_ip($if) eq $ip) {
255 $result = $if;
256 }
257 }
258 }
259 }
260 return $result;
261 }
263 #=== FUNCTION ================================================================
264 # NAME: get_interfaces
265 # PARAMETERS: none
266 # RETURNS: (list of interfaces)
267 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
268 #===============================================================================
269 sub get_interfaces {
270 my @result;
271 my $PROC_NET_DEV= ('/proc/net/dev');
273 open(PROC_NET_DEV, "<$PROC_NET_DEV")
274 or die "Could not open $PROC_NET_DEV";
276 my @ifs = <PROC_NET_DEV>;
278 close(PROC_NET_DEV);
280 # Eat first two line
281 shift @ifs;
282 shift @ifs;
284 chomp @ifs;
285 foreach my $line(@ifs) {
286 my $if= (split /:/, $line)[0];
287 $if =~ s/^\s+//;
288 push @result, $if;
289 }
291 return @result;
292 }
294 #=== FUNCTION ================================================================
295 # NAME: get_mac
296 # PARAMETERS: interface name (i.e. eth0)
297 # RETURNS: (mac address)
298 # DESCRIPTION: Uses ioctl to get mac address directly from system.
299 #===============================================================================
300 sub get_mac {
301 my $ifreq= shift;
302 my $result;
303 if ($ifreq && length($ifreq) > 0) {
304 if($ifreq eq "all") {
305 $result = "00:00:00:00:00:00";
306 } else {
307 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
309 # A configured MAC Address should always override a guessed value
310 if ($main::server_mac_address and length($main::server_mac_address) > 0) {
311 $result= $main::server_mac_address;
312 }
314 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
315 or die "socket: $!";
317 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
318 my ($if, $mac)= unpack 'h36 H12', $ifreq;
320 if (length($mac) > 0) {
321 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
322 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
323 $result = $mac;
324 }
325 }
326 }
327 }
328 return $result;
329 }
332 #=== FUNCTION ================================================================
333 # NAME: register_at_bus
334 # PARAMETERS: nothing
335 # RETURNS: nothing
336 # DESCRIPTION: creates an entry in known_daemons and send a 'here_i_am' msg to bus
337 #===============================================================================
338 sub register_at_bus {
340 # add bus to known_server_db
341 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
342 primkey=>['hostname'],
343 hostname=>$bus_address,
344 status=>'bus',
345 hostkey=>$bus_key,
346 timestamp=>&get_time,
347 } );
348 my $msg_hash = &create_xml_hash("here_i_am", $server_address, $bus_address);
349 my $msg = &create_xml_string($msg_hash);
351 &main::send_msg_to_target($msg, $bus_address, $bus_key, "here_i_am");
352 return $msg;
353 }
357 # outcommented from rettenbe: moved to GosaSupportDaemon.pm
358 #sub import_events {
359 # if (not -e $event_dir) {
360 # &main::daemon_log("S ERROR: cannot find directory or directory is not readable: $event_dir", 1);
361 # }
362 # opendir (DIR, $event_dir) or die "ERROR while loading gosa-si-events from directory $event_dir : $!\n";
363 #
364 # while (defined (my $event = readdir (DIR))) {
365 # if( $event eq "." || $event eq ".." ) { next; }
366 # if( $event eq "gosaTriggered.pm" ) { next; } # only GOsa specific events
367 #
368 # eval{ require $event; };
369 # if( $@ ) {
370 # &main::daemon_log("S ERROR: import of event module '$event' failed", 1);
371 # &main::daemon_log("$@", 8);
372 # next;
373 # }
374 #
375 # $event =~ /(\S*?).pm$/;
376 # my $event_module = $1;
377 # my $events_l = eval( $1."::get_events()") ;
378 # foreach my $event_name (@{$events_l}) {
379 # $event_hash->{$event_name} = $event_module;
380 # }
381 # my $events_string = join( ", ", @{$events_l});
382 # &main::daemon_log("S DEBUG: ClientPackages imported events $events_string", 8);
383 # }
384 #}
387 #=== FUNCTION ================================================================
388 # NAME: process_incoming_msg
389 # PARAMETERS: crypted_msg - string - incoming crypted message
390 # RETURNS: nothing
391 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
392 #===============================================================================
393 sub process_incoming_msg {
394 my ($msg, $msg_hash, $session_id) = @_ ;
395 my $error = 0;
396 my $host_name;
397 my $host_key;
398 my @out_msg_l = ("nohandler");
399 my $sql_events;
401 # process incoming msg
402 my $header = @{$msg_hash->{header}}[0];
403 my $source = @{$msg_hash->{source}}[0];
404 my @target_l = @{$msg_hash->{target}};
406 # skip PREFIX
407 $header =~ s/^CLMSG_//;
409 &main::daemon_log("$session_id DEBUG: ClientPackages: msg to process: $header", 7);
411 if( 0 == length @target_l){
412 &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
413 $error++;
414 }
416 if( 1 == length @target_l) {
417 my $target = $target_l[0];
418 if(&server_matches($target)) {
419 if ($header eq 'new_key') {
420 @out_msg_l = &new_key($msg_hash)
421 } elsif ($header eq 'here_i_am') {
422 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id)
423 } else {
424 # a event exists with the header as name
425 if( exists $event_hash->{$header} ) {
426 &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
427 no strict 'refs';
428 @out_msg_l = &{$event_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
430 # if no event handler is implemented
431 } else {
432 $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$source') OR (hostname='$source') )";
433 my $res = $main::known_clients_db->select_dbentry( $sql_events );
434 my $l = keys(%$res);
436 # set error if no or more than 1 hits are found for sql query
437 if ( $l != 1) {
438 @out_msg_l = ('knownclienterror');
440 # found exact 1 hit in db
441 } else {
442 my $client_events = $res->{'1'}->{'events'};
444 # client is registered for this event, deliver this message to client
445 $header =~ s/^answer_//;
446 if ($client_events =~ /,$header,/) {
447 # answer message finally arrived destination server, so forward messages to GOsa
448 if ($target eq $main::server_address) {
449 $msg =~ s/<header>answer_/<header>/;
450 $msg =~ s/<target>\S+<\/target>/<target>GOSA<\/target>/;
451 }
452 @out_msg_l = ( $msg );
454 # client is not registered for this event, set error
455 } else {
456 @out_msg_l = ('noeventerror');
457 }
458 }
459 }
460 }
462 # if delivery not possible raise error and return
463 if( not defined $out_msg_l[0] ) {
464 @out_msg_l = ();
465 } elsif( $out_msg_l[0] eq 'nohandler') {
466 &main::daemon_log("$session_id ERROR: ClientPackages: no event handler or core function defined for '$header'", 1);
467 @out_msg_l = ();
468 } elsif ($out_msg_l[0] eq 'knownclienterror') {
469 &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
470 &main::daemon_log("$session_id WARNING: processing is aborted and message will not be forwarded");
471 @out_msg_l = ();
472 } elsif ($out_msg_l[0] eq 'noeventerror') {
473 &main::daemon_log("$session_id WARNING: client '$target' is not registered for event '$header', processing is aborted", 1);
474 @out_msg_l = ();
475 }
480 }
481 else {
482 &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
483 push(@out_msg_l, $msg);
484 }
485 }
487 return \@out_msg_l;
488 }
491 #=== FUNCTION ================================================================
492 # NAME: new_passwd
493 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
494 # RETURNS: nothing
495 # DESCRIPTION: process this incoming message
496 #===============================================================================
497 sub new_key {
498 my ($msg_hash) = @_;
499 my @out_msg_l;
501 my $header = @{$msg_hash->{header}}[0];
502 my $source_name = @{$msg_hash->{source}}[0];
503 my $source_key = @{$msg_hash->{new_key}}[0];
504 my $query_res;
506 # check known_clients_db
507 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
508 $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
509 if( 1 == keys %{$query_res} ) {
510 my $act_time = &get_time;
511 my $sql_statement= "UPDATE known_clients ".
512 "SET hostkey='$source_key', timestamp='$act_time' ".
513 "WHERE hostname='$source_name'";
514 my $res = $main::known_clients_db->update_dbentry( $sql_statement );
515 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
516 my $out_msg = &create_xml_string($hash);
517 push(@out_msg_l, $out_msg);
518 }
520 # only do if host still not found
521 if( 0 == @out_msg_l ) {
522 # check known_server_db
523 $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
524 $query_res = $main::known_server_db->select_dbentry( $sql_statement );
525 if( 1 == keys %{$query_res} ) {
526 my $act_time = &get_time;
527 my $sql_statement= "UPDATE known_server ".
528 "SET hostkey='$source_key', timestamp='$act_time' ".
529 "WHERE hostname='$source_name'";
530 my $res = $main::known_server_db->update_dbentry( $sql_statement );
532 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
533 my $out_msg = &create_xml_string($hash);
534 push(@out_msg_l, $out_msg);
535 }
536 }
538 return @out_msg_l;
539 }
542 #=== FUNCTION ================================================================
543 # NAME: here_i_am
544 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
545 # RETURNS: nothing
546 # DESCRIPTION: process this incoming message
547 #===============================================================================
548 sub here_i_am {
549 my ($msg, $msg_hash, $session_id) = @_;
550 my @out_msg_l;
551 my $out_hash;
552 my $source = @{$msg_hash->{source}}[0];
553 my $mac_address = @{$msg_hash->{mac_address}}[0];
554 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
555 my $client_status = @{$msg_hash->{client_status}}[0];
556 my $client_revision = @{$msg_hash->{client_revision}}[0];
558 # number of known clients
559 my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
561 # check wether client address or mac address is already known
562 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
563 my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
565 if ( 1 == keys %{$db_res} ) {
566 &main::daemon_log("$session_id WARNING: $source is already known as a client", 1);
567 &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 1);
568 $nu_clients --;
569 }
571 # number of actual activ clients
572 my $act_nu_clients = $nu_clients;
574 &main::daemon_log("$session_id INFO: number of actual activ clients: $act_nu_clients", 5);
575 &main::daemon_log("$session_id INFO: number of maximal allowed clients: $max_clients", 5);
577 if($max_clients <= $act_nu_clients) {
578 my $out_hash = &create_xml_hash("denied", $server_address, $source);
579 &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
580 my $passwd = @{$msg_hash->{new_passwd}}[0];
581 &send_msg_hash2address($out_hash, $source, $passwd);
582 return;
583 }
585 # new client accepted
586 my $new_passwd = @{$msg_hash->{new_passwd}}[0];
588 # add entry to known_clients_db
589 my $events = @{$msg_hash->{events}}[0];
590 my $act_timestamp = &get_time;
591 my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
592 primkey=>['hostname'],
593 hostname=>$source,
594 events=>$events,
595 macaddress=>$mac_address,
596 status=>'registered',
597 hostkey=>$new_passwd,
598 timestamp=>$act_timestamp,
599 } );
601 if ($res != 0) {
602 &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res");
603 return;
604 }
606 # return acknowledgement to client
607 $out_hash = &create_xml_hash("registered", $server_address, $source);
612 # # notify registered client to all other server
613 # if( $bus_activ eq "on") {
614 # # fetch actual bus key
615 # my $sql_statement= "SELECT * FROM known_server WHERE status='bus'";
616 # my $query_res = $main::known_server_db->select_dbentry( $sql_statement );
617 # my $hostkey = $query_res->{1}->{'hostkey'};
618 #
619 # # send update msg to bus
620 # $out_hash = &create_xml_hash("new_client", $server_address, $bus_address, $source);
621 # &add_content2xml_hash($out_hash, "macaddress", $mac_address);
622 # &add_content2xml_hash($out_hash, "timestamp", $act_timestamp);
623 # my $new_client_out = &create_xml_string($out_hash);
624 # push(@out_msg_l, $new_client_out);
625 # &main::daemon_log("$session_id INFO: send bus msg that client '$source' has registered at server '$server_address'", 5);
626 # }
628 # give the new client his ldap config
629 # Workaround: Send within the registration response, if the client will get an ldap config later
630 my $new_ldap_config_out = &new_ldap_config($source, $session_id);
631 if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
632 &add_content2xml_hash($out_hash, "ldap_available", "true");
633 } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
634 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
636 my $sql_statement = "UPDATE $main::job_queue_tn ".
637 "SET status='error', result='$new_ldap_config_out' ".
638 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
639 my $res = $main::job_db->update_dbentry($sql_statement);
640 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);
641 }
642 my $register_out = &create_xml_string($out_hash);
643 push(@out_msg_l, $register_out);
645 # Really send the ldap config
646 if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
647 push(@out_msg_l, $new_ldap_config_out);
648 }
650 my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
651 if( $hardware_config_out ) {
652 push(@out_msg_l, $hardware_config_out);
653 }
655 # notify registered client to all other server
656 my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
657 my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
658 push(@out_msg_l, $mymsg);
660 &main::daemon_log("$session_id INFO: register client $source ($mac_address)", 5);
661 &main::daemon_log("$session_id INFO: client version: $client_status - $client_revision", 5);
662 return @out_msg_l;
663 }
666 #=== FUNCTION ================================================================
667 # NAME: who_has
668 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
669 # RETURNS: nothing
670 # DESCRIPTION: process this incoming message
671 #===============================================================================
672 sub who_has {
673 my ($msg_hash) = @_ ;
674 my @out_msg_l;
676 # what is your search pattern
677 my $search_pattern = @{$msg_hash->{who_has}}[0];
678 my $search_element = @{$msg_hash->{$search_pattern}}[0];
679 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
681 # scanning known_clients for search_pattern
682 my @host_addresses = keys %$main::known_clients;
683 my $known_clients_entries = length @host_addresses;
684 my $host_address;
685 foreach my $host (@host_addresses) {
686 my $client_element = $main::known_clients->{$host}->{$search_pattern};
687 if ($search_element eq $client_element) {
688 $host_address = $host;
689 last;
690 }
691 }
693 # search was successful
694 if (defined $host_address) {
695 my $source = @{$msg_hash->{source}}[0];
696 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
697 &add_content2xml_hash($out_hash, "mac_address", $search_element);
698 my $out_msg = &create_xml_string($out_hash);
699 push(@out_msg_l, $out_msg);
700 }
701 return @out_msg_l;
702 }
705 sub who_has_i_do {
706 my ($msg_hash) = @_ ;
707 my $header = @{$msg_hash->{header}}[0];
708 my $source = @{$msg_hash->{source}}[0];
709 my $search_param = @{$msg_hash->{$header}}[0];
710 my $search_value = @{$msg_hash->{$search_param}}[0];
711 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
712 }
715 #=== FUNCTION ================================================================
716 # NAME: new_ldap_config
717 # PARAMETERS: address - string - ip address and port of a host
718 # RETURNS: gosa-si conform message
719 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
720 #===============================================================================
721 sub new_ldap_config {
722 my ($address, $session_id) = @_ ;
724 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
725 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
727 # check hit
728 my $hit_counter = keys %{$res};
729 if( not $hit_counter == 1 ) {
730 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query '$sql_statement'", 1);
731 }
733 $address = $res->{1}->{hostname};
734 my $macaddress = $res->{1}->{macaddress};
735 my $hostkey = $res->{1}->{hostkey};
737 if (not defined $macaddress) {
738 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
739 return;
740 }
742 # Build LDAP connection
743 my $ldap_handle = &main::get_ldap_handle($session_id);
744 if( not defined $ldap_handle ) {
745 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
746 return;
747 }
749 # Perform search
750 $mesg = $ldap_handle->search( base => $ldap_base,
751 scope => 'sub',
752 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
753 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
754 if($mesg->code) {
755 &main::daemon_log("$session_id ".$mesg->error, 1);
756 return;
757 }
759 # Sanity check
760 if ($mesg->count != 1) {
761 &main::daemon_log("$session_id WARNING: client with mac address $macaddress not found/unique/active - not sending ldap config".
762 "\n\tbase: $ldap_base".
763 "\n\tscope: sub".
764 "\n\tattrs: dn, gotoLdapServer".
765 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
766 return;
767 }
769 my $entry= $mesg->entry(0);
770 my $dn= $entry->dn;
771 my @servers= $entry->get_value("gotoLdapServer");
772 my $unit_tag= $entry->get_value("gosaUnitTag");
773 my @ldap_uris;
774 my $server;
775 my $base;
776 my $release;
778 # Fill release if available
779 my $FAIclass= $entry->get_value("FAIclass");
780 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
781 $release= $1;
782 }
784 # Do we need to look at an object class?
785 if (not @servers){
786 $mesg = $ldap_handle->search( base => $ldap_base,
787 scope => 'sub',
788 attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
789 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
790 #$mesg->code && die $mesg->error;
791 if($mesg->code) {
792 &main::daemon_log("$session_id ".$mesg->error, 1);
793 return;
794 }
796 # Sanity check
797 if ($mesg->count != 1) {
798 &main::daemon_log("$session_id WARNING: no LDAP information found for client mac $macaddress", 1);
799 return;
800 }
802 $entry= $mesg->entry(0);
803 $dn= $entry->dn;
804 @servers= $entry->get_value("gotoLdapServer");
806 if (not defined $release){
807 $FAIclass= $entry->get_value("FAIclass");
808 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
809 $release= $1;
810 }
811 }
812 }
814 @servers= sort (@servers);
816 foreach $server (@servers){
817 # Conversation for backward compatibility
818 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
819 if ($server =~ /^([^:]+):([^:]+)$/ ) {
820 $server= "1:dummy:ldap://$1/$2";
821 } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
822 $server= "$1:dummy:ldap://$2/$3";
823 }
824 }
826 $base= $server;
827 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
828 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
829 push (@ldap_uris, $server);
830 }
832 # Assemble data package
833 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
834 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
835 if (defined $release){
836 $data{'release'}= $release;
837 }
839 # Need to append GOto settings?
840 if (defined $goto_admin and defined $goto_secret){
841 $data{'goto_admin'}= $goto_admin;
842 $data{'goto_secret'}= $goto_secret;
843 }
845 # Append unit tag if needed
846 if (defined $unit_tag){
848 # Find admin base and department name
849 $mesg = $ldap_handle->search( base => $ldap_base,
850 scope => 'sub',
851 attrs => ['dn', 'ou'],
852 filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
853 #$mesg->code && die $mesg->error;
854 if($mesg->code) {
855 &main::daemon_log($mesg->error, 1);
856 return "error-unit-tag-count-0";
857 }
859 # Sanity check
860 if ($mesg->count != 1) {
861 &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
862 return "error-unit-tag-count-".$mesg->count;
863 }
865 $entry= $mesg->entry(0);
866 $data{'admin_base'}= $entry->dn;
867 $data{'department'}= $entry->get_value("ou");
869 # Append unit Tag
870 $data{'unit_tag'}= $unit_tag;
871 }
873 # Send information
874 return &build_msg("new_ldap_config", $server_address, $address, \%data);
875 }
878 #=== FUNCTION ================================================================
879 # NAME: hardware_config
880 # PARAMETERS: address - string - ip address and port of a host
881 # RETURNS:
882 # DESCRIPTION:
883 #===============================================================================
884 sub hardware_config {
885 my ($msg, $msg_hash, $session_id) = @_ ;
886 my $address = @{$msg_hash->{source}}[0];
887 my $header = @{$msg_hash->{header}}[0];
888 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
890 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
891 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
893 # check hit
894 my $hit_counter = keys %{$res};
895 if( not $hit_counter == 1 ) {
896 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
897 }
898 my $macaddress = $res->{1}->{macaddress};
899 my $hostkey = $res->{1}->{hostkey};
901 if (not defined $macaddress) {
902 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
903 return;
904 }
906 # Build LDAP connection
907 my $ldap_handle = &main::get_ldap_handle($session_id);
908 if( not defined $ldap_handle ) {
909 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
910 return;
911 }
913 # Perform search
914 $mesg = $ldap_handle->search(
915 base => $ldap_base,
916 scope => 'sub',
917 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
918 );
920 if($mesg->count() == 0) {
921 &main::daemon_log("Host was not found in LDAP!", 1);
923 # set status = hardware_detection at jobqueue if entry exists
924 # TODO
925 # resolve plain name for host
926 my $func_dic = {table=>$main::job_queue_tn,
927 primkey=>[],
928 timestamp=>&get_time,
929 status=>'processing',
930 result=>'none',
931 progress=>'hardware-detection',
932 headertag=>'trigger_action_reinstall',
933 targettag=>$address,
934 xmlmessage=>'none',
935 macaddress=>$macaddress,
936 plainname=>'none',
937 };
938 my $hd_res = $main::job_db->add_dbentry($func_dic);
939 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
941 } else {
942 my $entry= $mesg->entry(0);
943 my $dn= $entry->dn;
944 if (defined($entry->get_value("gotoHardwareChecksum"))) {
945 if (! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
946 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
947 if($entry->update($ldap_handle)) {
948 &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
949 }
950 } else {
951 # Nothing to do
952 return;
953 }
954 }
955 }
957 # Assemble data package
958 my %data = ();
960 # Need to append GOto settings?
961 if (defined $goto_admin and defined $goto_secret){
962 $data{'goto_admin'}= $goto_admin;
963 $data{'goto_secret'}= $goto_secret;
964 }
966 # Send information
967 return &build_msg("detect_hardware", $server_address, $address, \%data);
968 }
970 sub server_matches {
971 my $target = shift;
972 my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
973 if(!defined($target_ip) or length($target_ip) == 0) {
974 return;
975 }
977 my $result = 0;
979 if($server_ip eq $target_ip) {
980 $result= 1;
981 } elsif ($target_ip eq "0.0.0.0") {
982 $result= 1;
983 } elsif ($server_ip eq "0.0.0.0") {
984 if ($target_ip eq "127.0.0.1") {
985 $result= 1;
986 } else {
987 my $PROC_NET_ROUTE= ('/proc/net/route');
989 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
990 or die "Could not open $PROC_NET_ROUTE";
992 my @ifs = <PROC_NET_ROUTE>;
994 close(PROC_NET_ROUTE);
996 # Eat header line
997 shift @ifs;
998 chomp @ifs;
999 foreach my $line(@ifs) {
1000 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
1001 my $destination;
1002 my $mask;
1003 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
1004 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1005 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
1006 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1007 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
1008 # destination matches route, save mac and exit
1009 $result= 1;
1010 last;
1011 }
1012 }
1013 }
1014 } else {
1015 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
1016 }
1018 return $result;
1019 }
1021 1;