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;
20 my $event_dir = "/usr/lib/gosa-si/server/events";
21 use lib "/usr/lib/gosa-si/server/events";
23 BEGIN{}
24 END {}
26 my ($server_ip, $server_port, $SIPackages_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 $event_hash;
30 my $network_interface;
31 my $no_bus;
32 my (@ldap_cfg, @pam_cfg, @nss_cfg, $goto_admin, $goto_secret);
33 my $mesg;
35 my %cfg_defaults = (
36 "bus" => {
37 "activ" => [\$bus_activ, "on"],
38 "key" => [\$bus_key, ""],
39 "ip" => [\$bus_ip, ""],
40 "port" => [\$bus_port, "20080"],
41 },
42 "server" => {
43 "ip" => [\$server_ip, "0.0.0.0"],
44 "mac-address" => [\$main::server_mac_address, "00:00:00:00:00"],
45 "port" => [\$server_port, "20081"],
46 "ldap-uri" => [\$ldap_uri, ""],
47 "ldap-base" => [\$ldap_base, ""],
48 "ldap-admin-dn" => [\$ldap_admin_dn, ""],
49 "ldap-admin-password" => [\$ldap_admin_password, ""],
50 "max-clients" => [\$max_clients, 100],
51 },
52 "SIPackages" => {
53 "key" => [\$SIPackages_key, ""],
54 },
55 );
57 ### START #####################################################################
59 # read configfile and import variables
60 &read_configfile();
63 # if server_ip is not an ip address but a name
64 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
65 $network_interface= &get_interface_for_ip($server_ip);
66 $main::server_mac_address= &get_mac($network_interface);
68 &import_events();
70 # Unit tag can be defined in config
71 if((not defined($main::gosa_unit_tag)) || length($main::gosa_unit_tag) == 0) {
72 # Read gosaUnitTag from LDAP
73 &main::refresh_ldap_handle();
74 if( defined($main::ldap_handle) ) {
75 &main::daemon_log("INFO: Searching for servers gosaUnitTag with mac address $main::server_mac_address",5);
76 # Perform search for Unit Tag
77 $mesg = $main::ldap_handle->search(
78 base => $ldap_base,
79 scope => 'sub',
80 attrs => ['gosaUnitTag'],
81 filter => "(macaddress=$main::server_mac_address)"
82 );
84 if ($mesg->count == 1) {
85 my $entry= $mesg->entry(0);
86 my $unit_tag= $entry->get_value("gosaUnitTag");
87 $main::ldap_server_dn= $mesg->entry(0)->dn;
88 if(defined($unit_tag) && length($unit_tag) > 0) {
89 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
90 $main::gosa_unit_tag= $unit_tag;
91 }
92 } else {
93 # Perform another search for Unit Tag
94 my $hostname= `hostname -f`;
95 chomp($hostname);
96 &main::daemon_log("INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
97 $mesg = $main::ldap_handle->search(
98 base => $ldap_base,
99 scope => 'sub',
100 attrs => ['gosaUnitTag'],
101 filter => "(&(cn=$hostname)(objectClass=goServer))"
102 );
103 if ($mesg->count == 1) {
104 my $entry= $mesg->entry(0);
105 my $unit_tag= $entry->get_value("gosaUnitTag");
106 $main::ldap_server_dn= $mesg->entry(0)->dn;
107 if(defined($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 $main::ldap_server_dn= $mesg->entry(0)->dn;
126 if(defined($unit_tag) && length($unit_tag) > 0) {
127 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
128 $main::gosa_unit_tag= $unit_tag;
129 }
130 } else {
131 &main::daemon_log("WARNING: No gosaUnitTag detected. Not using gosaUnitTag", 3);
132 }
133 }
134 }
135 } else {
136 &main::daemon_log("INFO: Using gosaUnitTag from config-file: $main::gosa_unit_tag",5);
137 }
138 }
141 my $server_address = "$server_ip:$server_port";
142 $main::server_address = $server_address;
145 if( inet_aton($bus_ip) ){ $bus_ip = inet_ntoa(inet_aton($bus_ip)); }
146 ######################################################
147 # to change
148 if( $bus_ip eq "127.0.1.1" ) { $bus_ip = "127.0.0.1" }
149 ######################################################
150 my $bus_address = "$bus_ip:$bus_port";
151 $main::bus_address = $bus_address;
153 # create general settings for this module
154 my $xml = new XML::Simple();
156 # register at bus
157 if ($main::no_bus > 0) {
158 $bus_activ = "off"
159 }
160 if($bus_activ eq "on") {
161 ®ister_at_bus();
162 }
164 # add myself to known_server_db
165 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
166 primkey=>['hostname'],
167 hostname=>$server_address,
168 status=>'myself',
169 hostkey=>$SIPackages_key,
170 timestamp=>&get_time,
171 } );
175 ### functions #################################################################
178 sub get_module_info {
179 my @info = ($server_address,
180 $SIPackages_key,
181 );
182 return \@info;
183 }
186 #=== FUNCTION ================================================================
187 # NAME: read_configfile
188 # PARAMETERS: cfg_file - string -
189 # RETURNS: nothing
190 # DESCRIPTION: read cfg_file and set variables
191 #===============================================================================
192 sub read_configfile {
193 my $cfg;
194 if( defined( $main::cfg_file) && ( length($main::cfg_file) > 0 )) {
195 if( -r $main::cfg_file ) {
196 $cfg = Config::IniFiles->new( -file => $main::cfg_file );
197 } else {
198 print STDERR "Couldn't read config file!";
199 }
200 } else {
201 $cfg = Config::IniFiles->new() ;
202 }
203 foreach my $section (keys %cfg_defaults) {
204 foreach my $param (keys %{$cfg_defaults{ $section }}) {
205 my $pinfo = $cfg_defaults{ $section }{ $param };
206 ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
207 }
208 }
210 # Read non predefined sections
211 my $param;
212 if ($cfg->SectionExists('ldap')){
213 foreach $param ($cfg->Parameters('ldap')){
214 push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
215 }
216 }
217 if ($cfg->SectionExists('pam_ldap')){
218 foreach $param ($cfg->Parameters('pam_ldap')){
219 push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
220 }
221 }
222 if ($cfg->SectionExists('nss_ldap')){
223 foreach $param ($cfg->Parameters('nss_ldap')){
224 push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
225 }
226 }
227 if ($cfg->SectionExists('goto')){
228 $goto_admin= $cfg->val('goto', 'terminal_admin');
229 $goto_secret= $cfg->val('goto', 'terminal_secret');
230 } else {
231 $goto_admin= undef;
232 $goto_secret= undef;
233 }
235 }
237 #=== FUNCTION ================================================================
238 # NAME: get_interface_for_ip
239 # PARAMETERS: ip address (i.e. 192.168.0.1)
240 # RETURNS: array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
241 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
242 #===============================================================================
243 sub get_interface_for_ip {
244 my $result;
245 my $ip= shift;
246 if ($ip && length($ip) > 0) {
247 my @ifs= &get_interfaces();
248 if($ip eq "0.0.0.0") {
249 $result = "all";
250 } else {
251 foreach (@ifs) {
252 my $if=$_;
253 if(&main::get_ip($if) eq $ip) {
254 $result = $if;
255 }
256 }
257 }
258 }
259 return $result;
260 }
262 #=== FUNCTION ================================================================
263 # NAME: get_interfaces
264 # PARAMETERS: none
265 # RETURNS: (list of interfaces)
266 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
267 #===============================================================================
268 sub get_interfaces {
269 my @result;
270 my $PROC_NET_DEV= ('/proc/net/dev');
272 open(PROC_NET_DEV, "<$PROC_NET_DEV")
273 or die "Could not open $PROC_NET_DEV";
275 my @ifs = <PROC_NET_DEV>;
277 close(PROC_NET_DEV);
279 # Eat first two line
280 shift @ifs;
281 shift @ifs;
283 chomp @ifs;
284 foreach my $line(@ifs) {
285 my $if= (split /:/, $line)[0];
286 $if =~ s/^\s+//;
287 push @result, $if;
288 }
290 return @result;
291 }
293 #=== FUNCTION ================================================================
294 # NAME: get_mac
295 # PARAMETERS: interface name (i.e. eth0)
296 # RETURNS: (mac address)
297 # DESCRIPTION: Uses ioctl to get mac address directly from system.
298 #===============================================================================
299 sub get_mac {
300 my $ifreq= shift;
301 my $result;
302 if ($ifreq && length($ifreq) > 0) {
303 if($ifreq eq "all") {
304 $result = "00:00:00:00:00:00";
305 } else {
306 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
308 # A configured MAC Address should always override a guessed value
309 if ($main::server_mac_address and length($main::server_mac_address) > 0) {
310 $result= $main::server_mac_address;
311 }
313 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
314 or die "socket: $!";
316 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
317 my ($if, $mac)= unpack 'h36 H12', $ifreq;
319 if (length($mac) > 0) {
320 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
321 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
322 $result = $mac;
323 }
324 }
325 }
326 }
327 return $result;
328 }
331 #=== FUNCTION ================================================================
332 # NAME: register_at_bus
333 # PARAMETERS: nothing
334 # RETURNS: nothing
335 # DESCRIPTION: creates an entry in known_daemons and send a 'here_i_am' msg to bus
336 #===============================================================================
337 sub register_at_bus {
339 # add bus to known_server_db
340 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
341 primkey=>['hostname'],
342 hostname=>$bus_address,
343 status=>'bus',
344 hostkey=>$bus_key,
345 timestamp=>&get_time,
346 } );
347 my $msg_hash = &create_xml_hash("here_i_am", $server_address, $bus_address);
348 my $msg = &create_xml_string($msg_hash);
350 &main::send_msg_to_target($msg, $bus_address, $bus_key, "here_i_am");
351 return $msg;
352 }
355 sub import_events {
356 if (not -e $event_dir) {
357 &main::daemon_log("ERROR: cannot find directory or directory is not readable: $event_dir", 1);
358 }
359 opendir (DIR, $event_dir) or die "ERROR while loading gosa-si-events from directory $event_dir : $!\n";
361 while (defined (my $event = readdir (DIR))) {
362 if( $event eq "." || $event eq ".." ) { next; }
363 if( $event eq "gosaTriggered.pm" ) { next; } # only GOsa specific events
365 eval{ require $event; };
366 if( $@ ) {
367 &main::daemon_log("import of event module '$event' failed", 1);
368 &main::daemon_log("$@", 8);
369 next;
370 }
372 $event =~ /(\S*?).pm$/;
373 my $event_module = $1;
374 my $events_l = eval( $1."::get_events()") ;
375 foreach my $event_name (@{$events_l}) {
376 $event_hash->{$event_name} = $event_module;
377 }
378 my $events_string = join( ", ", @{$events_l});
379 &main::daemon_log("INFO: SIPackages imported events $events_string", 5);
380 }
381 }
384 #=== FUNCTION ================================================================
385 # NAME: process_incoming_msg
386 # PARAMETERS: crypted_msg - string - incoming crypted message
387 # RETURNS: nothing
388 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
389 #===============================================================================
390 sub process_incoming_msg {
391 my ($msg, $msg_hash, $session_id) = @_ ;
392 my $error = 0;
393 my $host_name;
394 my $host_key;
395 my @out_msg_l = ("nohandler");
397 # process incoming msg
398 my $header = @{$msg_hash->{header}}[0];
399 my @target_l = @{$msg_hash->{target}};
401 # skip PREFIX
402 $header =~ s/^CLMSG_//;
404 &main::daemon_log("$session_id DEBUG: SIPackages: msg to process: $header", 7);
406 if( 0 == length @target_l){
407 &main::daemon_log("$session_id 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, $session_id)
420 } else {
421 if( exists $event_hash->{$header} ) {
422 # a event exists with the header as name
423 &main::daemon_log("$session_id INFO: found event '$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 defined $out_msg_l[0] ) {
431 @out_msg_l = ();
432 } elsif( $out_msg_l[0] eq 'nohandler') {
433 &main::daemon_log("$session_id ERROR: SIPackages: no event handler or core function defined for '$header'", 1);
434 @out_msg_l = ();
435 }
437 }
438 else {
439 &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
440 push(@out_msg_l, $msg);
441 }
442 }
444 return \@out_msg_l;
445 }
448 #=== FUNCTION ================================================================
449 # NAME: new_passwd
450 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
451 # RETURNS: nothing
452 # DESCRIPTION: process this incoming message
453 #===============================================================================
454 sub new_key {
455 my ($msg_hash) = @_;
456 my @out_msg_l;
458 my $header = @{$msg_hash->{header}}[0];
459 my $source_name = @{$msg_hash->{source}}[0];
460 my $source_key = @{$msg_hash->{new_key}}[0];
461 my $query_res;
463 # check known_clients_db
464 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
465 $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
466 if( 1 == keys %{$query_res} ) {
467 my $act_time = &get_time;
468 my $sql_statement= "UPDATE known_clients ".
469 "SET hostkey='$source_key', timestamp='$act_time' ".
470 "WHERE hostname='$source_name'";
471 my $res = $main::known_clients_db->update_dbentry( $sql_statement );
472 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
473 my $out_msg = &create_xml_string($hash);
474 push(@out_msg_l, $out_msg);
475 }
477 # only do if host still not found
478 if( 0 == @out_msg_l ) {
479 # check known_server_db
480 $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
481 $query_res = $main::known_server_db->select_dbentry( $sql_statement );
482 if( 1 == keys %{$query_res} ) {
483 my $act_time = &get_time;
484 my $sql_statement= "UPDATE known_server ".
485 "SET hostkey='$source_key', timestamp='$act_time' ".
486 "WHERE hostname='$source_name'";
487 my $res = $main::known_server_db->update_dbentry( $sql_statement );
489 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
490 my $out_msg = &create_xml_string($hash);
491 push(@out_msg_l, $out_msg);
492 }
493 }
495 return @out_msg_l;
496 }
499 #=== FUNCTION ================================================================
500 # NAME: here_i_am
501 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
502 # RETURNS: nothing
503 # DESCRIPTION: process this incoming message
504 #===============================================================================
505 sub here_i_am {
506 my ($msg_hash, $session_id) = @_;
507 my @out_msg_l;
508 my $out_hash;
510 my $source = @{$msg_hash->{source}}[0];
511 my $mac_address = @{$msg_hash->{mac_address}}[0];
512 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
514 # number of known clients
515 my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
517 # check wether client address or mac address is already known
518 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
519 my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
521 if ( 1 == keys %{$db_res} ) {
522 &main::daemon_log("$session_id WARNING: $source is already known as a client", 1);
523 &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 1);
524 $nu_clients --;
525 }
527 # number of actual activ clients
528 my $act_nu_clients = $nu_clients;
530 &main::daemon_log("$session_id INFO: number of actual activ clients: $act_nu_clients", 5);
531 &main::daemon_log("$session_id INFO: number of maximal allowed clients: $max_clients", 5);
533 if($max_clients <= $act_nu_clients) {
534 my $out_hash = &create_xml_hash("denied", $server_address, $source);
535 &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
536 my $passwd = @{$msg_hash->{new_passwd}}[0];
537 &send_msg_hash2address($out_hash, $source, $passwd);
538 return;
539 }
541 # new client accepted
542 my $new_passwd = @{$msg_hash->{new_passwd}}[0];
544 # create entry in known_clients
545 my $events = @{$msg_hash->{events}}[0];
548 # add entry to known_clients_db
549 my $act_timestamp = &get_time;
550 my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
551 primkey=>['hostname'],
552 hostname=>$source,
553 events=>$events,
554 macaddress=>$mac_address,
555 status=>'registered',
556 hostkey=>$new_passwd,
557 timestamp=>$act_timestamp,
558 } );
560 if ($res != 0) {
561 &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res");
562 return;
563 }
565 # return acknowledgement to client
566 $out_hash = &create_xml_hash("registered", $server_address, $source);
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, $new_client_out);
581 &main::daemon_log("$session_id INFO: send bus msg that client '$source' has registered at server '$server_address'", 5);
582 }
584 # give the new client his ldap config
585 # Workaround: Send within the registration response, if the client will get an ldap config later
586 my $new_ldap_config_out = &new_ldap_config($source, $session_id);
587 if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
588 &add_content2xml_hash($out_hash, "ldap_available", "true");
589 } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
590 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
592 my $sql_statement = "UPDATE $main::job_queue_tn ".
593 "SET status='error', result='$new_ldap_config_out' ".
594 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
595 my $res = $main::job_db->update_dbentry($sql_statement);
596 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);
597 }
598 my $register_out = &create_xml_string($out_hash);
599 push(@out_msg_l, $register_out);
601 # Really send the ldap config
602 if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
603 push(@out_msg_l, $new_ldap_config_out);
604 }
606 my $hardware_config_out = &hardware_config($source, $gotoHardwareChecksum);
607 if( $hardware_config_out ) {
608 push(@out_msg_l, $hardware_config_out);
609 }
611 return @out_msg_l;
612 }
615 #=== FUNCTION ================================================================
616 # NAME: who_has
617 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
618 # RETURNS: nothing
619 # DESCRIPTION: process this incoming message
620 #===============================================================================
621 sub who_has {
622 my ($msg_hash) = @_ ;
623 my @out_msg_l;
625 # what is your search pattern
626 my $search_pattern = @{$msg_hash->{who_has}}[0];
627 my $search_element = @{$msg_hash->{$search_pattern}}[0];
628 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
630 # scanning known_clients for search_pattern
631 my @host_addresses = keys %$main::known_clients;
632 my $known_clients_entries = length @host_addresses;
633 my $host_address;
634 foreach my $host (@host_addresses) {
635 my $client_element = $main::known_clients->{$host}->{$search_pattern};
636 if ($search_element eq $client_element) {
637 $host_address = $host;
638 last;
639 }
640 }
642 # search was successful
643 if (defined $host_address) {
644 my $source = @{$msg_hash->{source}}[0];
645 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
646 &add_content2xml_hash($out_hash, "mac_address", $search_element);
647 my $out_msg = &create_xml_string($out_hash);
648 push(@out_msg_l, $out_msg);
649 }
650 return @out_msg_l;
651 }
654 sub who_has_i_do {
655 my ($msg_hash) = @_ ;
656 my $header = @{$msg_hash->{header}}[0];
657 my $source = @{$msg_hash->{source}}[0];
658 my $search_param = @{$msg_hash->{$header}}[0];
659 my $search_value = @{$msg_hash->{$search_param}}[0];
660 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
661 }
664 #=== FUNCTION ================================================================
665 # NAME: new_ldap_config
666 # PARAMETERS: address - string - ip address and port of a host
667 # RETURNS: gosa-si conform message
668 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
669 #===============================================================================
670 sub new_ldap_config {
671 my ($address, $session_id) = @_ ;
673 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
674 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
676 # check hit
677 my $hit_counter = keys %{$res};
678 if( not $hit_counter == 1 ) {
679 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
680 }
682 $address = $res->{1}->{hostname};
683 my $macaddress = $res->{1}->{macaddress};
684 my $hostkey = $res->{1}->{hostkey};
686 if (not defined $macaddress) {
687 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
688 return;
689 }
691 # Build LDAP connection
692 &main::refresh_ldap_handle();
693 if( not defined $main::ldap_handle ) {
694 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
695 return;
696 }
698 # Perform search
699 $mesg = $main::ldap_handle->search( base => $ldap_base,
700 scope => 'sub',
701 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
702 filter => "(&(objectClass=GOhard)(macaddress=$macaddress)(gotoLdapServer=*))");
703 #$mesg->code && die $mesg->error;
704 if($mesg->code) {
705 &main::daemon_log("$session_id ".$mesg->error, 1);
706 return;
707 }
709 # Sanity check
710 if ($mesg->count != 1) {
711 &main::daemon_log("$session_id WARNING: client with mac address $macaddress not found/unique/active - not sending ldap config".
712 "\n\tbase: $ldap_base".
713 "\n\tscope: sub".
714 "\n\tattrs: dn, gotoLdapServer".
715 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress)(gotoLdapServer=*))", 1);
716 return;
717 }
719 my $entry= $mesg->entry(0);
720 my $dn= $entry->dn;
721 my @servers= $entry->get_value("gotoLdapServer");
722 my $unit_tag= $entry->get_value("gosaUnitTag");
723 my @ldap_uris;
724 my $server;
725 my $base;
726 my $release;
728 # Fill release if available
729 my $FAIclass= $entry->get_value("FAIclass");
730 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
731 $release= $1;
732 }
734 # Do we need to look at an object class?
735 if (length(@servers) < 1){
736 $mesg = $main::ldap_handle->search( base => $ldap_base,
737 scope => 'sub',
738 attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
739 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
740 #$mesg->code && die $mesg->error;
741 if($mesg->code) {
742 &main::daemon_log("$session_id ".$mesg->error, 1);
743 return;
744 }
746 # Sanity check
747 if ($mesg->count != 1) {
748 &main::daemon_log("$session_id WARNING: no LDAP information found for client mac $macaddress", 1);
749 return;
750 }
752 $entry= $mesg->entry(0);
753 $dn= $entry->dn;
754 @servers= $entry->get_value("gotoLdapServer");
756 if (not defined $release){
757 $FAIclass= $entry->get_value("FAIclass");
758 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
759 $release= $1;
760 }
761 }
762 }
764 @servers= sort (@servers);
766 foreach $server (@servers){
767 # Conversation for backward compatibility
768 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
769 if ($server =~ /^([^:]+):([^:]+)$/ ) {
770 $server= "1:dummy:ldap://$1/$2";
771 } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
772 $server= "$1:dummy:ldap://$2/$3";
773 }
774 }
776 $base= $server;
777 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
778 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
779 push (@ldap_uris, $server);
780 }
782 # Assemble data package
783 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
784 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
785 if (defined $release){
786 $data{'release'}= $release;
787 }
789 # Need to append GOto settings?
790 if (defined $goto_admin and defined $goto_secret){
791 $data{'goto_admin'}= $goto_admin;
792 $data{'goto_secret'}= $goto_secret;
793 }
795 # Append unit tag if needed
796 if (defined $unit_tag){
798 # Find admin base and department name
799 $mesg = $main::ldap_handle->search( base => $ldap_base,
800 scope => 'sub',
801 attrs => ['dn', 'ou'],
802 filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
803 #$mesg->code && die $mesg->error;
804 if($mesg->code) {
805 &main::daemon_log($mesg->error, 1);
806 return "error-unit-tag-count-0";
807 }
809 # Sanity check
810 if ($mesg->count != 1) {
811 &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
812 return "error-unit-tag-count-".$mesg->count;
813 }
815 $entry= $mesg->entry(0);
816 $data{'admin_base'}= $entry->dn;
817 $data{'department'}= $entry->get_value("ou");
819 # Append unit Tag
820 $data{'unit_tag'}= $unit_tag;
821 }
823 # Send information
824 return &build_msg("new_ldap_config", $server_address, $address, \%data);
825 }
828 #=== FUNCTION ================================================================
829 # NAME: hardware_config
830 # PARAMETERS: address - string - ip address and port of a host
831 # RETURNS:
832 # DESCRIPTION:
833 #===============================================================================
834 sub hardware_config {
835 my ($address, $gotoHardwareChecksum) = @_ ;
837 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
838 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
840 # check hit
841 my $hit_counter = keys %{$res};
842 if( not $hit_counter == 1 ) {
843 &main::daemon_log("ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
844 }
846 my $macaddress = $res->{1}->{macaddress};
847 my $hostkey = $res->{1}->{hostkey};
849 if (not defined $macaddress) {
850 &main::daemon_log("ERROR: no mac address found for client $address", 1);
851 return;
852 }
854 # Build LDAP connection
855 &main::refresh_ldap_handle();
856 if( not defined $main::ldap_handle ) {
857 &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
858 return;
859 }
861 # Perform search
862 $mesg = $main::ldap_handle->search(
863 base => $ldap_base,
864 scope => 'sub',
865 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
866 );
868 if($mesg->count() == 0) {
869 &main::daemon_log("Host was not found in LDAP!", 1);
870 } else {
871 my $entry= $mesg->entry(0);
872 my $dn= $entry->dn;
873 if(defined($entry->get_value("gotoHardwareChecksum"))) {
874 if(! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
875 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
876 if($entry->update($main::ldap_handle)) {
877 &main::daemon_log("Hardware changed! Detection triggered.", 4);
878 }
879 } else {
880 # Nothing to do
881 return;
882 }
883 }
884 }
886 # Assemble data package
887 my %data = ();
889 # Need to append GOto settings?
890 if (defined $goto_admin and defined $goto_secret){
891 $data{'goto_admin'}= $goto_admin;
892 $data{'goto_secret'}= $goto_secret;
893 }
895 &main::daemon_log("Send detect_hardware message to $address", 4);
897 # Send information
898 return &build_msg("detect_hardware", $server_address, $address, \%data);
899 }
901 sub server_matches {
902 my $target = shift;
903 my $target_ip = sprintf("%s", $target =~ /^([0-9\.]*?):.*$/);
904 my $result = 0;
906 if($server_ip eq $target_ip) {
907 $result= 1;
908 } elsif ($target_ip eq "0.0.0.0") {
909 $result= 1;
910 } elsif ($server_ip eq "0.0.0.0") {
911 if ($target_ip eq "127.0.0.1") {
912 $result= 1;
913 } else {
914 my $PROC_NET_ROUTE= ('/proc/net/route');
916 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
917 or die "Could not open $PROC_NET_ROUTE";
919 my @ifs = <PROC_NET_ROUTE>;
921 close(PROC_NET_ROUTE);
923 # Eat header line
924 shift @ifs;
925 chomp @ifs;
926 foreach my $line(@ifs) {
927 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
928 my $destination;
929 my $mask;
930 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
931 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
932 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
933 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
934 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
935 # destination matches route, save mac and exit
936 $result= 1;
937 last;
938 }
939 }
940 }
941 } else {
942 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
943 }
945 return $result;
946 }
948 1;