b038e39635d4e8103c977c0f6fece1c5375a18c4
1 package SIPackages;
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.
9 use strict;
10 use warnings;
11 use GOSA::GosaSupportDaemon;
12 use IO::Socket::INET;
13 use XML::Simple;
14 use Data::Dumper;
15 use NetAddr::IP;
16 use Net::LDAP;
17 use Socket;
18 use Net::hostent;
19 use Net::DNS;
20 use utf8;
22 my $event_dir = "/usr/lib/gosa-si/server/events";
23 use lib "/usr/lib/gosa-si/server/events";
25 BEGIN{}
26 END {}
28 my ($server_ip, $server_mac_address, $server_port, $SIPackages_key, $max_clients, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password, $server_interface);
29 my ($bus_activ, $bus_key, $bus_ip, $bus_port);
30 my $server;
31 my $event_hash;
32 my $network_interface;
33 my $no_bus;
34 my (@ldap_cfg, @pam_cfg, @nss_cfg, $goto_admin, $goto_secret);
35 my $mesg;
37 my %cfg_defaults = (
38 "bus" => {
39 "activ" => [\$bus_activ, "on"],
40 "key" => [\$bus_key, ""],
41 "ip" => [\$bus_ip, ""],
42 "port" => [\$bus_port, "20080"],
43 },
44 "server" => {
45 "ip" => [\$server_ip, "0.0.0.0"],
46 "mac-address" => [\$server_mac_address, "00:00:00:00:00"],
47 "port" => [\$server_port, "20081"],
48 "ldap-uri" => [\$ldap_uri, ""],
49 "ldap-base" => [\$ldap_base, ""],
50 "ldap-admin-dn" => [\$ldap_admin_dn, ""],
51 "ldap-admin-password" => [\$ldap_admin_password, ""],
52 "max-clients" => [\$max_clients, 100],
53 },
54 "SIPackages" => {
55 "key" => [\$SIPackages_key, ""],
56 },
57 );
59 ### START #####################################################################
61 # read configfile and import variables
62 &read_configfile();
65 # if server_ip is not an ip address but a name
66 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
67 $network_interface= &get_interface_for_ip($server_ip);
68 $server_mac_address= &get_mac($network_interface);
70 &import_events();
72 # Unit tag can be defined in config
73 if((not defined($main::gosa_unit_tag)) || length($main::gosa_unit_tag) == 0) {
74 # Read gosaUnitTag from LDAP
75 &main::refresh_ldap_handle();
76 if( defined($main::ldap_handle) ) {
77 &main::daemon_log("INFO: Searching for servers gosaUnitTag with mac address $server_mac_address",5);
78 # Perform search for Unit Tag
79 $mesg = $main::ldap_handle->search(
80 base => $ldap_base,
81 scope => 'sub',
82 attrs => ['gosaUnitTag'],
83 filter => "(macaddress=$server_mac_address)"
84 );
86 if ($mesg->count == 1) {
87 my $entry= $mesg->entry(0);
88 my $unit_tag= $entry->get_value("gosaUnitTag");
89 if(defined($unit_tag) && length($unit_tag) > 0) {
90 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
91 $main::gosa_unit_tag= $unit_tag;
92 }
93 } else {
94 # Perform another search for Unit Tag
95 my $hostname= `hostname -f`;
96 chomp($hostname);
97 &main::daemon_log("INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
98 $mesg = $main::ldap_handle->search(
99 base => $ldap_base,
100 scope => 'sub',
101 attrs => ['gosaUnitTag'],
102 filter => "(&(cn=$hostname)(objectClass=goServer))"
103 );
104 if ($mesg->count == 1) {
105 my $entry= $mesg->entry(0);
106 my $unit_tag= $entry->get_value("gosaUnitTag");
107 if(defined($unit_tag) && length($unit_tag) > 0) {
108 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
109 $main::gosa_unit_tag= $unit_tag;
110 }
111 } else {
112 # Perform another search for Unit Tag
113 $hostname= `hostname -s`;
114 chomp($hostname);
115 &main::daemon_log("INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
116 $mesg = $main::ldap_handle->search(
117 base => $ldap_base,
118 scope => 'sub',
119 attrs => ['gosaUnitTag'],
120 filter => "(&(cn=$hostname)(objectClass=goServer))"
121 );
122 if ($mesg->count == 1) {
123 my $entry= $mesg->entry(0);
124 my $unit_tag= $entry->get_value("gosaUnitTag");
125 if(defined($unit_tag) && length($unit_tag) > 0) {
126 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
127 $main::gosa_unit_tag= $unit_tag;
128 }
129 } else {
130 &main::daemon_log("WARNING: No gosaUnitTag detected. Not using gosaUnitTag", 3);
131 }
132 }
133 }
134 } else {
135 &main::daemon_log("INFO: Using gosaUnitTag from config-file: $main::gosa_unit_tag",5);
136 }
137 }
140 my $server_address = "$server_ip:$server_port";
141 $main::server_address = $server_address;
144 if( inet_aton($bus_ip) ){ $bus_ip = inet_ntoa(inet_aton($bus_ip)); }
145 ######################################################
146 # to change
147 if( $bus_ip eq "127.0.1.1" ) { $bus_ip = "127.0.0.1" }
148 ######################################################
149 my $bus_address = "$bus_ip:$bus_port";
150 $main::bus_address = $bus_address;
152 # create general settings for this module
153 my $xml = new XML::Simple();
155 # register at bus
156 if ($main::no_bus > 0) {
157 $bus_activ = "off"
158 }
159 if($bus_activ eq "on") {
160 ®ister_at_bus();
161 }
163 # add myself to known_server_db
164 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
165 primkey=>['hostname'],
166 hostname=>$server_address,
167 status=>'myself',
168 hostkey=>$SIPackages_key,
169 timestamp=>&get_time,
170 } );
174 ### functions #################################################################
177 sub get_module_info {
178 my @info = ($server_address,
179 $SIPackages_key,
180 );
181 return \@info;
182 }
185 #=== FUNCTION ================================================================
186 # NAME: read_configfile
187 # PARAMETERS: cfg_file - string -
188 # RETURNS: nothing
189 # DESCRIPTION: read cfg_file and set variables
190 #===============================================================================
191 sub read_configfile {
192 my $cfg;
193 if( defined( $main::cfg_file) && ( length($main::cfg_file) > 0 )) {
194 if( -r $main::cfg_file ) {
195 $cfg = Config::IniFiles->new( -file => $main::cfg_file );
196 } else {
197 print STDERR "Couldn't read config file!";
198 }
199 } else {
200 $cfg = Config::IniFiles->new() ;
201 }
202 foreach my $section (keys %cfg_defaults) {
203 foreach my $param (keys %{$cfg_defaults{ $section }}) {
204 my $pinfo = $cfg_defaults{ $section }{ $param };
205 ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
206 }
207 }
209 # Read non predefined sections
210 my $param;
211 if ($cfg->SectionExists('ldap')){
212 foreach $param ($cfg->Parameters('ldap')){
213 push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
214 }
215 }
216 if ($cfg->SectionExists('pam_ldap')){
217 foreach $param ($cfg->Parameters('pam_ldap')){
218 push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
219 }
220 }
221 if ($cfg->SectionExists('nss_ldap')){
222 foreach $param ($cfg->Parameters('nss_ldap')){
223 push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
224 }
225 }
226 if ($cfg->SectionExists('goto')){
227 $goto_admin= $cfg->val('goto', 'terminal_admin');
228 $goto_secret= $cfg->val('goto', 'terminal_secret');
229 } else {
230 $goto_admin= undef;
231 $goto_secret= undef;
232 }
234 }
236 #=== FUNCTION ================================================================
237 # NAME: get_interface_for_ip
238 # PARAMETERS: ip address (i.e. 192.168.0.1)
239 # RETURNS: array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
240 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
241 #===============================================================================
242 sub get_interface_for_ip {
243 my $result;
244 my $ip= shift;
245 if ($ip && length($ip) > 0) {
246 my @ifs= &get_interfaces();
247 if($ip eq "0.0.0.0") {
248 $result = "all";
249 } else {
250 foreach (@ifs) {
251 my $if=$_;
252 if(get_ip($if) eq $ip) {
253 $result = $if;
254 }
255 }
256 }
257 }
258 return $result;
259 }
261 #=== FUNCTION ================================================================
262 # NAME: get_interfaces
263 # PARAMETERS: none
264 # RETURNS: (list of interfaces)
265 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
266 #===============================================================================
267 sub get_interfaces {
268 my @result;
269 my $PROC_NET_DEV= ('/proc/net/dev');
271 open(PROC_NET_DEV, "<$PROC_NET_DEV")
272 or die "Could not open $PROC_NET_DEV";
274 my @ifs = <PROC_NET_DEV>;
276 close(PROC_NET_DEV);
278 # Eat first two line
279 shift @ifs;
280 shift @ifs;
282 chomp @ifs;
283 foreach my $line(@ifs) {
284 my $if= (split /:/, $line)[0];
285 $if =~ s/^\s+//;
286 push @result, $if;
287 }
289 return @result;
290 }
292 #=== FUNCTION ================================================================
293 # NAME: get_mac
294 # PARAMETERS: interface name (i.e. eth0)
295 # RETURNS: (mac address)
296 # DESCRIPTION: Uses ioctl to get mac address directly from system.
297 #===============================================================================
298 sub get_mac {
299 my $ifreq= shift;
300 my $result;
301 if ($ifreq && length($ifreq) > 0) {
302 if($ifreq eq "all") {
303 $result = "00:00:00:00:00:00";
304 } else {
305 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
307 # A configured MAC Address should always override a guessed value
308 if ($server_mac_address and length($server_mac_address) > 0) {
309 $result= $server_mac_address;
310 }
312 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
313 or die "socket: $!";
315 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
316 my ($if, $mac)= unpack 'h36 H12', $ifreq;
318 if (length($mac) > 0) {
319 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
320 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
321 $result = $mac;
322 }
323 }
324 }
325 }
326 return $result;
327 }
330 #=== FUNCTION ================================================================
331 # NAME: register_at_bus
332 # PARAMETERS: nothing
333 # RETURNS: nothing
334 # DESCRIPTION: creates an entry in known_daemons and send a 'here_i_am' msg to bus
335 #===============================================================================
336 sub register_at_bus {
338 # add bus to known_server_db
339 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
340 primkey=>['hostname'],
341 hostname=>$bus_address,
342 status=>'bus',
343 hostkey=>$bus_key,
344 timestamp=>&get_time,
345 } );
346 my $msg_hash = &create_xml_hash("here_i_am", $server_address, $bus_address);
347 my $msg = &create_xml_string($msg_hash);
349 &main::send_msg_to_target($msg, $bus_address, $bus_key, "here_i_am");
350 return $msg;
351 }
354 sub import_events {
355 if (not -e $event_dir) {
356 &main::daemon_log("ERROR: cannot find directory or directory is not readable: $event_dir", 1);
357 }
358 opendir (DIR, $event_dir) or die "ERROR while loading gosa-si-events from directory $event_dir : $!\n";
360 while (defined (my $event = readdir (DIR))) {
361 if( $event eq "." || $event eq ".." ) { next; }
362 if( $event eq "gosaTriggered.pm" ) { next; } # only GOsa specific events
364 eval{ require $event; };
365 if( $@ ) {
366 &main::daemon_log("import of event module '$event' failed", 1);
367 &main::daemon_log("$@", 8);
368 next;
369 }
371 $event =~ /(\S*?).pm$/;
372 my $event_module = $1;
373 my $events_l = eval( $1."::get_events()") ;
374 foreach my $event_name (@{$events_l}) {
375 $event_hash->{$event_name} = $event_module;
376 }
377 my $events_string = join( ", ", @{$events_l});
378 &main::daemon_log("INFO: SIPackages imported events $events_string", 5);
379 }
380 }
383 #=== FUNCTION ================================================================
384 # NAME: process_incoming_msg
385 # PARAMETERS: crypted_msg - string - incoming crypted message
386 # RETURNS: nothing
387 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
388 #===============================================================================
389 sub process_incoming_msg {
390 my ($msg, $msg_hash, $session_id) = @_ ;
391 my $error = 0;
392 my $host_name;
393 my $host_key;
394 my @out_msg_l = ();
396 # process incoming msg
397 my $header = @{$msg_hash->{header}}[0];
398 my @target_l = @{$msg_hash->{target}};
400 # skip PREFIX
401 $header =~ s/^CLMSG_//;
403 &main::daemon_log("DEBUG: SIPackages: msg to process: $header", 7);
404 &main::daemon_log("$msg", 8);
406 if( 0 == length @target_l){
407 &main::daemon_log("ERROR: no target specified for msg $header", 1);
408 $error++;
409 }
411 if( 1 == length @target_l) {
412 my $target = $target_l[0];
413 if(&server_matches($target)) {
416 if ($header eq 'new_key') {
417 @out_msg_l = &new_key($msg_hash)
418 } elsif ($header eq 'here_i_am') {
419 @out_msg_l = &here_i_am($msg_hash)
420 } else {
421 if( exists $event_hash->{$header} ) {
422 # a event exists with the header as name
423 &main::daemon_log("INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
424 no strict 'refs';
425 @out_msg_l = &{$event_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
426 }
427 }
429 # if delivery not possible raise error and return
430 if( not @out_msg_l ) {
431 &main::daemon_log("WARNING: SIPackages got not answer from event handler '$header'", 3);
432 } elsif( 0 == @out_msg_l) {
433 &main::daemon_log("ERROR: SIPackages: no event handler or core function defined for '$header'", 1);
434 }
435 }
436 else {
437 &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
438 push(@out_msg_l, $msg);
439 }
440 }
442 return \@out_msg_l;
443 }
446 #=== FUNCTION ================================================================
447 # NAME: new_passwd
448 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
449 # RETURNS: nothing
450 # DESCRIPTION: process this incoming message
451 #===============================================================================
452 sub new_key {
453 my ($msg_hash) = @_;
454 my @out_msg_l;
456 my $header = @{$msg_hash->{header}}[0];
457 my $source_name = @{$msg_hash->{source}}[0];
458 my $source_key = @{$msg_hash->{new_key}}[0];
459 my $query_res;
461 # check known_clients_db
462 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
463 $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
464 if( 1 == keys %{$query_res} ) {
465 my $act_time = &get_time;
466 my $sql_statement= "UPDATE known_clients ".
467 "SET hostkey='$source_key', timestamp='$act_time' ".
468 "WHERE hostname='$source_name'";
469 my $res = $main::known_clients_db->update_dbentry( $sql_statement );
470 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
471 my $out_msg = &create_xml_string($hash);
472 push(@out_msg_l, $out_msg);
473 }
475 # only do if host still not found
476 if( 0 == @out_msg_l ) {
477 # check known_server_db
478 $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
479 $query_res = $main::known_server_db->select_dbentry( $sql_statement );
480 if( 1 == keys %{$query_res} ) {
481 my $act_time = &get_time;
482 my $sql_statement= "UPDATE known_server ".
483 "SET hostkey='$source_key', timestamp='$act_time' ".
484 "WHERE hostname='$source_name'";
485 my $res = $main::known_server_db->update_dbentry( $sql_statement );
487 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
488 my $out_msg = &create_xml_string($hash);
489 push(@out_msg_l, $out_msg);
490 }
491 }
493 return @out_msg_l;
494 }
497 #=== FUNCTION ================================================================
498 # NAME: here_i_am
499 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
500 # RETURNS: nothing
501 # DESCRIPTION: process this incoming message
502 #===============================================================================
503 sub here_i_am {
504 my ($msg_hash) = @_;
505 my @out_msg_l;
506 my $out_hash;
508 my $source = @{$msg_hash->{source}}[0];
509 my $mac_address = @{$msg_hash->{mac_address}}[0];
510 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
512 # number of known clients
513 my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
515 # check wether client address or mac address is already known
516 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
517 my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
519 if ( 1 == keys %{$db_res} ) {
520 &main::daemon_log("WARNING: $source is already known as a client", 1);
521 &main::daemon_log("WARNING: values for $source are being overwritten", 1);
522 $nu_clients --;
523 }
525 # number of actual activ clients
526 my $act_nu_clients = $nu_clients;
528 &main::daemon_log("INFO: number of actual activ clients: $act_nu_clients", 5);
529 &main::daemon_log("INFO: number of maximal allowed clients: $max_clients", 5);
531 if($max_clients <= $act_nu_clients) {
532 my $out_hash = &create_xml_hash("denied", $server_address, $source);
533 &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
534 my $passwd = @{$msg_hash->{new_passwd}}[0];
535 &send_msg_hash2address($out_hash, $source, $passwd);
536 return;
537 }
539 # new client accepted
540 my $new_passwd = @{$msg_hash->{new_passwd}}[0];
542 # create entry in known_clients
543 my $events = @{$msg_hash->{events}}[0];
546 # add entry to known_clients_db
547 my $act_timestamp = &get_time;
548 my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
549 primkey=>['hostname'],
550 hostname=>$source,
551 events=>$events,
552 macaddress=>$mac_address,
553 status=>'registered',
554 hostkey=>$new_passwd,
555 timestamp=>$act_timestamp,
556 } );
558 if ($res != 0) {
559 &main::daemon_log("ERROR: cannot add entry to known_clients: $res");
560 return;
561 }
563 # return acknowledgement to client
564 $out_hash = &create_xml_hash("registered", $server_address, $source);
565 my $register_out = &create_xml_string($out_hash);
566 push(@out_msg_l, $register_out);
568 # notify registered client to bus
569 if( $bus_activ eq "on") {
570 # fetch actual bus key
571 my $sql_statement= "SELECT * FROM known_server WHERE status='bus'";
572 my $query_res = $main::known_server_db->select_dbentry( $sql_statement );
573 my $hostkey = $query_res->{1}->{'hostkey'};
575 # send update msg to bus
576 $out_hash = &create_xml_hash("new_client", $server_address, $bus_address, $source);
577 &add_content2xml_hash($out_hash, "macaddress", $mac_address);
578 &add_content2xml_hash($out_hash, "timestamp", $act_timestamp);
579 my $new_client_out = &create_xml_string($out_hash);
580 push(@out_msg_l, $new_client_out);
581 &main::daemon_log("INFO: send bus msg that client '$source' has registerd at server '$server_address'", 5);
582 }
584 # give the new client his ldap config
585 my $new_ldap_config_out = &new_ldap_config($source);
586 if( $new_ldap_config_out ) {
587 push(@out_msg_l, $new_ldap_config_out);
588 }
590 my $hardware_config_out = &hardware_config($source, $gotoHardwareChecksum);
591 if( $hardware_config_out ) {
592 push(@out_msg_l, $hardware_config_out);
593 }
595 return @out_msg_l;
596 }
599 #=== FUNCTION ================================================================
600 # NAME: who_has
601 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
602 # RETURNS: nothing
603 # DESCRIPTION: process this incoming message
604 #===============================================================================
605 sub who_has {
606 my ($msg_hash) = @_ ;
607 my @out_msg_l;
609 # what is your search pattern
610 my $search_pattern = @{$msg_hash->{who_has}}[0];
611 my $search_element = @{$msg_hash->{$search_pattern}}[0];
612 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
614 # scanning known_clients for search_pattern
615 my @host_addresses = keys %$main::known_clients;
616 my $known_clients_entries = length @host_addresses;
617 my $host_address;
618 foreach my $host (@host_addresses) {
619 my $client_element = $main::known_clients->{$host}->{$search_pattern};
620 if ($search_element eq $client_element) {
621 $host_address = $host;
622 last;
623 }
624 }
626 # search was successful
627 if (defined $host_address) {
628 my $source = @{$msg_hash->{source}}[0];
629 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
630 &add_content2xml_hash($out_hash, "mac_address", $search_element);
631 my $out_msg = &create_xml_string($out_hash);
632 push(@out_msg_l, $out_msg);
633 }
634 return @out_msg_l;
635 }
638 sub who_has_i_do {
639 my ($msg_hash) = @_ ;
640 my $header = @{$msg_hash->{header}}[0];
641 my $source = @{$msg_hash->{source}}[0];
642 my $search_param = @{$msg_hash->{$header}}[0];
643 my $search_value = @{$msg_hash->{$search_param}}[0];
644 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
645 }
648 #=== FUNCTION ================================================================
649 # NAME: new_ldap_config
650 # PARAMETERS: address - string - ip address and port of a host
651 # RETURNS: gosa-si conform message
652 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
653 #===============================================================================
654 sub new_ldap_config {
655 my ($address) = @_ ;
657 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress='$address'";
658 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
660 # check hit
661 my $hit_counter = keys %{$res};
662 if( not $hit_counter == 1 ) {
663 &main::daemon_log("ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
664 }
666 $address = $res->{1}->{hostname};
667 my $macaddress = $res->{1}->{macaddress};
668 my $hostkey = $res->{1}->{hostkey};
670 if (not defined $macaddress) {
671 &main::daemon_log("ERROR: no mac address found for client $address", 1);
672 return;
673 }
675 # Build LDAP connection
676 &main::refresh_ldap_handle();
677 if( not defined $main::ldap_handle ) {
678 &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
679 return;
680 }
682 # Perform search
683 $mesg = $main::ldap_handle->search( base => $ldap_base,
684 scope => 'sub',
685 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
686 filter => "(&(objectClass=GOhard)(macaddress=$macaddress)(gotoMode=active))");
687 #$mesg->code && die $mesg->error;
688 if($mesg->code) {
689 &main::daemon_log($mesg->error, 1);
690 return;
691 }
693 # Sanity check
694 if ($mesg->count != 1) {
695 &main::daemon_log("WARNING: client with mac address $macaddress not found/unique/active - not sending ldap config", 1);
696 &main::daemon_log("\tbase: $ldap_base", 1);
697 &main::daemon_log("\tscope: sub", 1);
698 &main::daemon_log("\tattrs: dn, gotoLdapServer", 1);
699 &main::daemon_log("\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
700 return;
701 }
703 my $entry= $mesg->entry(0);
704 my $dn= $entry->dn;
705 my @servers= $entry->get_value("gotoLdapServer");
706 my $unit_tag= $entry->get_value("gosaUnitTag");
707 my @ldap_uris;
708 my $server;
709 my $base;
710 my $release;
712 # Fill release if available
713 my $FAIclass= $entry->get_value("FAIclass");
714 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
715 $release= $1;
716 }
718 # Do we need to look at an object class?
719 if (length(@servers) < 1){
720 $mesg = $main::ldap_handle->search( base => $ldap_base,
721 scope => 'sub',
722 attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
723 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
724 #$mesg->code && die $mesg->error;
725 if($mesg->code) {
726 &main::daemon_log($mesg->error, 1);
727 return;
728 }
730 # Sanity check
731 if ($mesg->count != 1) {
732 &main::daemon_log("WARNING: no LDAP information found for client mac $macaddress", 1);
733 return;
734 }
736 $entry= $mesg->entry(0);
737 $dn= $entry->dn;
738 @servers= $entry->get_value("gotoLdapServer");
740 if (not defined $release){
741 $FAIclass= $entry->get_value("FAIclass");
742 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
743 $release= $1;
744 }
745 }
746 }
748 @servers= sort (@servers);
750 foreach $server (@servers){
751 # Conversation for backward compatibility
752 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
753 if ($server =~ /^([^:]+):(.*)$/ ) {
754 $server= "1:dummy:ldap://$1/$2";
755 }
756 }
758 $base= $server;
759 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
760 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
761 push (@ldap_uris, $server);
762 }
764 # Assemble data package
765 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
766 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
767 if (defined $release){
768 $data{'release'}= $release;
769 }
771 # Need to append GOto settings?
772 if (defined $goto_admin and defined $goto_secret){
773 $data{'goto_admin'}= $goto_admin;
774 $data{'goto_secret'}= $goto_secret;
775 }
777 # Append unit tag if needed
778 if (defined $unit_tag){
780 # Find admin base and department name
781 $mesg = $main::ldap_handle->search( base => $ldap_base,
782 scope => 'sub',
783 attrs => ['dn', 'ou'],
784 filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
785 #$mesg->code && die $mesg->error;
786 if($mesg->code) {
787 &main::daemon_log($mesg->error, 1);
788 return;
789 }
791 # Sanity check
792 if ($mesg->count != 1) {
793 &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
794 return;
795 }
797 $entry= $mesg->entry(0);
798 $data{'admin_base'}= $entry->dn;
799 $data{'department'}= $entry->get_value("ou");
801 # Append unit Tag
802 $data{'unit_tag'}= $unit_tag;
803 }
805 # Send information
806 return &build_msg("new_ldap_config", $server_address, $address, \%data);
807 }
810 #=== FUNCTION ================================================================
811 # NAME: hardware_config
812 # PARAMETERS: address - string - ip address and port of a host
813 # RETURNS:
814 # DESCRIPTION:
815 #===============================================================================
816 sub hardware_config {
817 my ($address, $gotoHardwareChecksum) = @_ ;
819 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
820 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
822 # check hit
823 my $hit_counter = keys %{$res};
824 if( not $hit_counter == 1 ) {
825 &main::daemon_log("ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
826 }
828 my $macaddress = $res->{1}->{macaddress};
829 my $hostkey = $res->{1}->{hostkey};
831 if (not defined $macaddress) {
832 &main::daemon_log("ERROR: no mac address found for client $address", 1);
833 return;
834 }
836 # Build LDAP connection
837 &main::refresh_ldap_handle();
838 if( not defined $main::ldap_handle ) {
839 &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
840 return;
841 }
843 # Perform search
844 $mesg = $main::ldap_handle->search(
845 base => $ldap_base,
846 scope => 'sub',
847 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
848 );
850 if($mesg->count() == 0) {
851 &main::daemon_log("Host was not found in LDAP!", 1);
852 } else {
853 my $entry= $mesg->entry(0);
854 my $dn= $entry->dn;
855 if(defined($entry->get_value("gotoHardwareChecksum"))) {
856 if(! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
857 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
858 if($entry->update($main::ldap_handle)) {
859 &main::daemon_log("Hardware changed! Detection triggered.", 4);
860 }
861 } else {
862 # Nothing to do
863 return;
864 }
865 }
866 }
868 # Assemble data package
869 my %data = ();
871 # Need to append GOto settings?
872 if (defined $goto_admin and defined $goto_secret){
873 $data{'goto_admin'}= $goto_admin;
874 $data{'goto_secret'}= $goto_secret;
875 }
877 &main::daemon_log("Send detect_hardware message to $address", 4);
879 # Send information
880 return &build_msg("detect_hardware", $server_address, $address, \%data);
881 }
883 sub server_matches {
884 my $target = shift;
885 my $target_ip = sprintf("%s", $target =~ /^([0-9\.]*?):.*$/);
886 my $result = 0;
888 if($server_ip eq $target_ip) {
889 $result= 1;
890 } elsif ($server_ip eq "0.0.0.0") {
891 if ($target_ip eq "127.0.0.1") {
892 $result= 1;
893 } else {
894 my $PROC_NET_ROUTE= ('/proc/net/route');
896 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
897 or die "Could not open $PROC_NET_ROUTE";
899 my @ifs = <PROC_NET_ROUTE>;
901 close(PROC_NET_ROUTE);
903 # Eat header line
904 shift @ifs;
905 chomp @ifs;
906 foreach my $line(@ifs) {
907 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
908 my $destination;
909 my $mask;
910 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
911 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
912 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
913 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
914 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
915 # destination matches route, save mac and exit
916 $result= 1;
917 last;
918 }
919 }
920 }
921 } else {
922 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
923 }
925 return $result;
926 }
928 1;