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
74 my $ldap_handle = &main::get_ldap_handle();
75 if( defined($ldap_handle) ) {
76 &main::daemon_log("INFO: Searching for servers gosaUnitTag with mac address $main::server_mac_address",5);
77 # Perform search for Unit Tag
78 $mesg = $ldap_handle->search(
79 base => $ldap_base,
80 scope => 'sub',
81 attrs => ['gosaUnitTag'],
82 filter => "(macaddress=$main::server_mac_address)"
83 );
85 if ($mesg->count == 1) {
86 my $entry= $mesg->entry(0);
87 my $unit_tag= $entry->get_value("gosaUnitTag");
88 $main::ldap_server_dn= $mesg->entry(0)->dn;
89 if(defined($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 = $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 $main::ldap_server_dn= $mesg->entry(0)->dn;
108 if(defined($unit_tag) && length($unit_tag) > 0) {
109 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
110 $main::gosa_unit_tag= $unit_tag;
111 }
112 } else {
113 # Perform another search for Unit Tag
114 $hostname= `hostname -s`;
115 chomp($hostname);
116 &main::daemon_log("INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
117 $mesg = $ldap_handle->search(
118 base => $ldap_base,
119 scope => 'sub',
120 attrs => ['gosaUnitTag'],
121 filter => "(&(cn=$hostname)(objectClass=goServer))"
122 );
123 if ($mesg->count == 1) {
124 my $entry= $mesg->entry(0);
125 my $unit_tag= $entry->get_value("gosaUnitTag");
126 $main::ldap_server_dn= $mesg->entry(0)->dn;
127 if(defined($unit_tag) && length($unit_tag) > 0) {
128 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
129 $main::gosa_unit_tag= $unit_tag;
130 }
131 } else {
132 &main::daemon_log("WARNING: No gosaUnitTag detected. Not using gosaUnitTag", 3);
133 }
134 }
135 }
136 } else {
137 &main::daemon_log("INFO: Using gosaUnitTag from config-file: $main::gosa_unit_tag",5);
138 }
139 }
142 my $server_address = "$server_ip:$server_port";
143 $main::server_address = $server_address;
146 if( inet_aton($bus_ip) ){ $bus_ip = inet_ntoa(inet_aton($bus_ip)); }
147 ######################################################
148 # to change
149 if( $bus_ip eq "127.0.1.1" ) { $bus_ip = "127.0.0.1" }
150 ######################################################
151 my $bus_address = "$bus_ip:$bus_port";
152 $main::bus_address = $bus_address;
154 # create general settings for this module
155 my $xml = new XML::Simple();
157 # register at bus
158 if ($main::no_bus > 0) {
159 $bus_activ = "off"
160 }
161 if($bus_activ eq "on") {
162 ®ister_at_bus();
163 }
165 # add myself to known_server_db
166 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
167 primkey=>['hostname'],
168 hostname=>$server_address,
169 status=>'myself',
170 hostkey=>$SIPackages_key,
171 timestamp=>&get_time,
172 } );
176 ### functions #################################################################
179 sub get_module_info {
180 my @info = ($server_address,
181 $SIPackages_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 }
356 sub import_events {
357 if (not -e $event_dir) {
358 &main::daemon_log("S ERROR: cannot find directory or directory is not readable: $event_dir", 1);
359 }
360 opendir (DIR, $event_dir) or die "ERROR while loading gosa-si-events from directory $event_dir : $!\n";
362 while (defined (my $event = readdir (DIR))) {
363 if( $event eq "." || $event eq ".." ) { next; }
364 if( $event eq "gosaTriggered.pm" ) { next; } # only GOsa specific events
366 eval{ require $event; };
367 if( $@ ) {
368 &main::daemon_log("S ERROR: import of event module '$event' failed", 1);
369 &main::daemon_log("$@", 8);
370 next;
371 }
373 $event =~ /(\S*?).pm$/;
374 my $event_module = $1;
375 my $events_l = eval( $1."::get_events()") ;
376 foreach my $event_name (@{$events_l}) {
377 $event_hash->{$event_name} = $event_module;
378 }
379 my $events_string = join( ", ", @{$events_l});
380 &main::daemon_log("S DEBUG: SIPackages imported events $events_string", 8);
381 }
382 }
385 #=== FUNCTION ================================================================
386 # NAME: process_incoming_msg
387 # PARAMETERS: crypted_msg - string - incoming crypted message
388 # RETURNS: nothing
389 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
390 #===============================================================================
391 sub process_incoming_msg {
392 my ($msg, $msg_hash, $session_id) = @_ ;
393 my $error = 0;
394 my $host_name;
395 my $host_key;
396 my @out_msg_l = ("nohandler");
398 # process incoming msg
399 my $header = @{$msg_hash->{header}}[0];
400 my @target_l = @{$msg_hash->{target}};
402 # skip PREFIX
403 $header =~ s/^CLMSG_//;
405 &main::daemon_log("$session_id DEBUG: SIPackages: msg to process: $header", 7);
407 if( 0 == length @target_l){
408 &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
409 $error++;
410 }
412 if( 1 == length @target_l) {
413 my $target = $target_l[0];
414 if(&server_matches($target)) {
417 if ($header eq 'new_key') {
418 @out_msg_l = &new_key($msg_hash)
419 } elsif ($header eq 'here_i_am') {
420 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id)
421 } else {
422 if( exists $event_hash->{$header} ) {
423 # a event exists with the header as name
424 &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
425 no strict 'refs';
426 @out_msg_l = &{$event_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
427 }
428 }
430 # if delivery not possible raise error and return
431 if( not defined $out_msg_l[0] ) {
432 @out_msg_l = ();
433 } elsif( $out_msg_l[0] eq 'nohandler') {
434 &main::daemon_log("$session_id ERROR: SIPackages: no event handler or core function defined for '$header'", 1);
435 @out_msg_l = ();
436 }
438 }
439 else {
440 &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
441 push(@out_msg_l, $msg);
442 }
443 }
445 return \@out_msg_l;
446 }
449 #=== FUNCTION ================================================================
450 # NAME: new_passwd
451 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
452 # RETURNS: nothing
453 # DESCRIPTION: process this incoming message
454 #===============================================================================
455 sub new_key {
456 my ($msg_hash) = @_;
457 my @out_msg_l;
459 my $header = @{$msg_hash->{header}}[0];
460 my $source_name = @{$msg_hash->{source}}[0];
461 my $source_key = @{$msg_hash->{new_key}}[0];
462 my $query_res;
464 # check known_clients_db
465 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
466 $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
467 if( 1 == keys %{$query_res} ) {
468 my $act_time = &get_time;
469 my $sql_statement= "UPDATE known_clients ".
470 "SET hostkey='$source_key', timestamp='$act_time' ".
471 "WHERE hostname='$source_name'";
472 my $res = $main::known_clients_db->update_dbentry( $sql_statement );
473 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
474 my $out_msg = &create_xml_string($hash);
475 push(@out_msg_l, $out_msg);
476 }
478 # only do if host still not found
479 if( 0 == @out_msg_l ) {
480 # check known_server_db
481 $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
482 $query_res = $main::known_server_db->select_dbentry( $sql_statement );
483 if( 1 == keys %{$query_res} ) {
484 my $act_time = &get_time;
485 my $sql_statement= "UPDATE known_server ".
486 "SET hostkey='$source_key', timestamp='$act_time' ".
487 "WHERE hostname='$source_name'";
488 my $res = $main::known_server_db->update_dbentry( $sql_statement );
490 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
491 my $out_msg = &create_xml_string($hash);
492 push(@out_msg_l, $out_msg);
493 }
494 }
496 return @out_msg_l;
497 }
500 #=== FUNCTION ================================================================
501 # NAME: here_i_am
502 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
503 # RETURNS: nothing
504 # DESCRIPTION: process this incoming message
505 #===============================================================================
506 sub here_i_am {
507 my ($msg, $msg_hash, $session_id) = @_;
508 my @out_msg_l;
509 my $out_hash;
511 my $source = @{$msg_hash->{source}}[0];
512 my $mac_address = @{$msg_hash->{mac_address}}[0];
513 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
515 # number of known clients
516 my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
518 # check wether client address or mac address is already known
519 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
520 my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
522 if ( 1 == keys %{$db_res} ) {
523 &main::daemon_log("$session_id WARNING: $source is already known as a client", 1);
524 &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 1);
525 $nu_clients --;
526 }
528 # number of actual activ clients
529 my $act_nu_clients = $nu_clients;
531 &main::daemon_log("$session_id INFO: number of actual activ clients: $act_nu_clients", 5);
532 &main::daemon_log("$session_id INFO: number of maximal allowed clients: $max_clients", 5);
534 if($max_clients <= $act_nu_clients) {
535 my $out_hash = &create_xml_hash("denied", $server_address, $source);
536 &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
537 my $passwd = @{$msg_hash->{new_passwd}}[0];
538 &send_msg_hash2address($out_hash, $source, $passwd);
539 return;
540 }
542 # new client accepted
543 my $new_passwd = @{$msg_hash->{new_passwd}}[0];
545 # create entry in known_clients
546 my $events = @{$msg_hash->{events}}[0];
549 # add entry to known_clients_db
550 my $act_timestamp = &get_time;
551 my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
552 primkey=>['hostname'],
553 hostname=>$source,
554 events=>$events,
555 macaddress=>$mac_address,
556 status=>'registered',
557 hostkey=>$new_passwd,
558 timestamp=>$act_timestamp,
559 } );
561 if ($res != 0) {
562 &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res");
563 return;
564 }
566 # return acknowledgement to client
567 $out_hash = &create_xml_hash("registered", $server_address, $source);
569 # notify registered client to bus
570 if( $bus_activ eq "on") {
571 # fetch actual bus key
572 my $sql_statement= "SELECT * FROM known_server WHERE status='bus'";
573 my $query_res = $main::known_server_db->select_dbentry( $sql_statement );
574 my $hostkey = $query_res->{1}->{'hostkey'};
576 # send update msg to bus
577 $out_hash = &create_xml_hash("new_client", $server_address, $bus_address, $source);
578 &add_content2xml_hash($out_hash, "macaddress", $mac_address);
579 &add_content2xml_hash($out_hash, "timestamp", $act_timestamp);
580 my $new_client_out = &create_xml_string($out_hash);
581 push(@out_msg_l, $new_client_out);
582 &main::daemon_log("$session_id INFO: send bus msg that client '$source' has registered at server '$server_address'", 5);
583 }
585 # give the new client his ldap config
586 # Workaround: Send within the registration response, if the client will get an ldap config later
587 my $new_ldap_config_out = &new_ldap_config($source, $session_id);
588 if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
589 &add_content2xml_hash($out_hash, "ldap_available", "true");
590 } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
591 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
593 my $sql_statement = "UPDATE $main::job_queue_tn ".
594 "SET status='error', result='$new_ldap_config_out' ".
595 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
596 my $res = $main::job_db->update_dbentry($sql_statement);
597 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);
598 }
599 my $register_out = &create_xml_string($out_hash);
600 push(@out_msg_l, $register_out);
602 # Really send the ldap config
603 if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
604 push(@out_msg_l, $new_ldap_config_out);
605 }
607 my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
608 if( $hardware_config_out ) {
609 push(@out_msg_l, $hardware_config_out);
610 }
612 return @out_msg_l;
613 }
616 #=== FUNCTION ================================================================
617 # NAME: who_has
618 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
619 # RETURNS: nothing
620 # DESCRIPTION: process this incoming message
621 #===============================================================================
622 sub who_has {
623 my ($msg_hash) = @_ ;
624 my @out_msg_l;
626 # what is your search pattern
627 my $search_pattern = @{$msg_hash->{who_has}}[0];
628 my $search_element = @{$msg_hash->{$search_pattern}}[0];
629 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
631 # scanning known_clients for search_pattern
632 my @host_addresses = keys %$main::known_clients;
633 my $known_clients_entries = length @host_addresses;
634 my $host_address;
635 foreach my $host (@host_addresses) {
636 my $client_element = $main::known_clients->{$host}->{$search_pattern};
637 if ($search_element eq $client_element) {
638 $host_address = $host;
639 last;
640 }
641 }
643 # search was successful
644 if (defined $host_address) {
645 my $source = @{$msg_hash->{source}}[0];
646 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
647 &add_content2xml_hash($out_hash, "mac_address", $search_element);
648 my $out_msg = &create_xml_string($out_hash);
649 push(@out_msg_l, $out_msg);
650 }
651 return @out_msg_l;
652 }
655 sub who_has_i_do {
656 my ($msg_hash) = @_ ;
657 my $header = @{$msg_hash->{header}}[0];
658 my $source = @{$msg_hash->{source}}[0];
659 my $search_param = @{$msg_hash->{$header}}[0];
660 my $search_value = @{$msg_hash->{$search_param}}[0];
661 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
662 }
665 #=== FUNCTION ================================================================
666 # NAME: new_ldap_config
667 # PARAMETERS: address - string - ip address and port of a host
668 # RETURNS: gosa-si conform message
669 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
670 #===============================================================================
671 sub new_ldap_config {
672 my ($address, $session_id) = @_ ;
674 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
675 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
677 # check hit
678 my $hit_counter = keys %{$res};
679 if( not $hit_counter == 1 ) {
680 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
681 }
683 $address = $res->{1}->{hostname};
684 my $macaddress = $res->{1}->{macaddress};
685 my $hostkey = $res->{1}->{hostkey};
687 if (not defined $macaddress) {
688 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
689 return;
690 }
692 # Build LDAP connection
693 my $ldap_handle = &main::get_ldap_handle($session_id);
694 if( not defined $ldap_handle ) {
695 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
696 return;
697 }
699 # Perform search
700 $mesg = $ldap_handle->search( base => $ldap_base,
701 scope => 'sub',
702 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
703 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
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))", 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 (not @servers){
736 $mesg = $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 = $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, $address, \%data);
825 }
828 #=== FUNCTION ================================================================
829 # NAME: hardware_config
830 # PARAMETERS: address - string - ip address and port of a host
831 # RETURNS:
832 # DESCRIPTION:
833 #===============================================================================
834 sub hardware_config {
835 my ($msg, $msg_hash, $session_id) = @_ ;
836 my $address = @{$msg_hash->{source}}[0];
837 my $header = @{$msg_hash->{header}}[0];
838 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
840 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
841 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
843 # check hit
844 my $hit_counter = keys %{$res};
845 if( not $hit_counter == 1 ) {
846 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
847 }
848 my $macaddress = $res->{1}->{macaddress};
849 my $hostkey = $res->{1}->{hostkey};
851 if (not defined $macaddress) {
852 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
853 return;
854 }
856 # Build LDAP connection
857 my $ldap_handle = &main::get_ldap_handle($session_id);
858 if( not defined $ldap_handle ) {
859 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
860 return;
861 }
863 # Perform search
864 $mesg = $ldap_handle->search(
865 base => $ldap_base,
866 scope => 'sub',
867 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
868 );
870 if($mesg->count() == 0) {
871 &main::daemon_log("Host was not found in LDAP!", 1);
873 # set status = hardware_detection at jobqueue if entry exists
874 # TODO
875 # resolve plain name for host
876 my $func_dic = {table=>$main::job_queue_tn,
877 primkey=>[],
878 timestamp=>&get_time,
879 status=>'processing',
880 result=>'none',
881 progress=>'hardware-detection',
882 headertag=>'trigger_action_reinstall',
883 targettag=>$address,
884 xmlmessage=>'none',
885 macaddress=>$macaddress,
886 plainname=>'none',
887 };
888 my $hd_res = $main::job_db->add_dbentry($func_dic);
889 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
891 } else {
892 my $entry= $mesg->entry(0);
893 my $dn= $entry->dn;
894 if (defined($entry->get_value("gotoHardwareChecksum"))) {
895 if (! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
896 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
897 if($entry->update($ldap_handle)) {
898 &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
899 }
900 } else {
901 # Nothing to do
902 return;
903 }
904 }
905 }
907 # Assemble data package
908 my %data = ();
910 # Need to append GOto settings?
911 if (defined $goto_admin and defined $goto_secret){
912 $data{'goto_admin'}= $goto_admin;
913 $data{'goto_secret'}= $goto_secret;
914 }
916 # Send information
917 return &build_msg("detect_hardware", $server_address, $address, \%data);
918 }
920 sub server_matches {
921 my $target = shift;
922 my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
923 if(!defined($target_ip) or length($target_ip) == 0) {
924 return;
925 }
927 my $result = 0;
929 if($server_ip eq $target_ip) {
930 $result= 1;
931 } elsif ($target_ip eq "0.0.0.0") {
932 $result= 1;
933 } elsif ($server_ip eq "0.0.0.0") {
934 if ($target_ip eq "127.0.0.1") {
935 $result= 1;
936 } else {
937 my $PROC_NET_ROUTE= ('/proc/net/route');
939 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
940 or die "Could not open $PROC_NET_ROUTE";
942 my @ifs = <PROC_NET_ROUTE>;
944 close(PROC_NET_ROUTE);
946 # Eat header line
947 shift @ifs;
948 chomp @ifs;
949 foreach my $line(@ifs) {
950 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
951 my $destination;
952 my $mask;
953 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
954 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
955 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
956 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
957 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
958 # destination matches route, save mac and exit
959 $result= 1;
960 last;
961 }
962 }
963 }
964 } else {
965 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
966 }
968 return $result;
969 }
971 1;