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;
165 #my $hostkey = &create_passwd;
166 #my $res = $main::known_server_db->add_dbentry( {table=>$main::known_server_tn,
167 # primkey=>['hostname'],
168 # hostname=>$main::server_address,
169 # status=>'myself',
170 # hostkey=>$hostkey,
171 # timestamp=>&get_time(),
172 # } );
173 #if (not $res == 0) {
174 # &main::daemon_log("0 ERROR: cannot add server to known_server_db: $res", 1);
175 #} else {
176 # &main::daemon_log("0 INFO: '$main::server_address' successfully added to known_server_db", 5);
177 #}
181 ## create general settings for this module
182 #my $xml = new XML::Simple();
183 #
184 ## register at bus
185 #if ($main::no_bus > 0) {
186 # $bus_activ = "off"
187 #}
188 #if($bus_activ eq "on") {
189 # ®ister_at_bus();
190 #}
193 ### functions #################################################################
196 sub get_module_info {
197 my @info = ($server_address,
198 $ClientPackages_key,
199 );
200 return \@info;
201 }
204 #=== FUNCTION ================================================================
205 # NAME: read_configfile
206 # PARAMETERS: cfg_file - string -
207 # RETURNS: nothing
208 # DESCRIPTION: read cfg_file and set variables
209 #===============================================================================
210 sub read_configfile {
211 my $cfg;
212 if( defined( $main::cfg_file) && ( (-s $main::cfg_file) > 0 )) {
213 if( -r $main::cfg_file ) {
214 $cfg = Config::IniFiles->new( -file => $main::cfg_file );
215 } else {
216 print STDERR "Couldn't read config file!";
217 }
218 } else {
219 $cfg = Config::IniFiles->new() ;
220 }
221 foreach my $section (keys %cfg_defaults) {
222 foreach my $param (keys %{$cfg_defaults{ $section }}) {
223 my $pinfo = $cfg_defaults{ $section }{ $param };
224 ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
225 }
226 }
228 # Read non predefined sections
229 my $param;
230 if ($cfg->SectionExists('ldap')){
231 foreach $param ($cfg->Parameters('ldap')){
232 push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
233 }
234 }
235 if ($cfg->SectionExists('pam_ldap')){
236 foreach $param ($cfg->Parameters('pam_ldap')){
237 push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
238 }
239 }
240 if ($cfg->SectionExists('nss_ldap')){
241 foreach $param ($cfg->Parameters('nss_ldap')){
242 push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
243 }
244 }
245 if ($cfg->SectionExists('goto')){
246 $goto_admin= $cfg->val('goto', 'terminal_admin');
247 $goto_secret= $cfg->val('goto', 'terminal_secret');
248 } else {
249 $goto_admin= undef;
250 $goto_secret= undef;
251 }
253 }
255 # moved to GosaSupportDaemon: 03-06-2008 rettenbe
256 #=== FUNCTION ================================================================
257 # NAME: get_interface_for_ip
258 # PARAMETERS: ip address (i.e. 192.168.0.1)
259 # RETURNS: array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
260 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
261 #===============================================================================
262 #sub get_interface_for_ip {
263 # my $result;
264 # my $ip= shift;
265 # if ($ip && length($ip) > 0) {
266 # my @ifs= &get_interfaces();
267 # if($ip eq "0.0.0.0") {
268 # $result = "all";
269 # } else {
270 # foreach (@ifs) {
271 # my $if=$_;
272 # if(&main::get_ip($if) eq $ip) {
273 # $result = $if;
274 # }
275 # }
276 # }
277 # }
278 # return $result;
279 #}
281 # moved to GosaSupportDaemon: 03-06-2008 rettenbe
282 #=== FUNCTION ================================================================
283 # NAME: get_interfaces
284 # PARAMETERS: none
285 # RETURNS: (list of interfaces)
286 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
287 #===============================================================================
288 #sub get_interfaces {
289 # my @result;
290 # my $PROC_NET_DEV= ('/proc/net/dev');
291 #
292 # open(PROC_NET_DEV, "<$PROC_NET_DEV")
293 # or die "Could not open $PROC_NET_DEV";
294 #
295 # my @ifs = <PROC_NET_DEV>;
296 #
297 # close(PROC_NET_DEV);
298 #
299 # # Eat first two line
300 # shift @ifs;
301 # shift @ifs;
302 #
303 # chomp @ifs;
304 # foreach my $line(@ifs) {
305 # my $if= (split /:/, $line)[0];
306 # $if =~ s/^\s+//;
307 # push @result, $if;
308 # }
309 #
310 # return @result;
311 #}
313 #=== FUNCTION ================================================================
314 # NAME: get_mac
315 # PARAMETERS: interface name (i.e. eth0)
316 # RETURNS: (mac address)
317 # DESCRIPTION: Uses ioctl to get mac address directly from system.
318 #===============================================================================
319 sub get_mac {
320 my $ifreq= shift;
321 my $result;
322 if ($ifreq && length($ifreq) > 0) {
323 if($ifreq eq "all") {
324 $result = "00:00:00:00:00:00";
325 } else {
326 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
328 # A configured MAC Address should always override a guessed value
329 if ($main::server_mac_address and length($main::server_mac_address) > 0) {
330 $result= $main::server_mac_address;
331 }
333 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
334 or die "socket: $!";
336 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
337 my ($if, $mac)= unpack 'h36 H12', $ifreq;
339 if (length($mac) > 0) {
340 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
341 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
342 $result = $mac;
343 }
344 }
345 }
346 }
347 return $result;
348 }
351 #=== FUNCTION ================================================================
352 # NAME: register_at_bus
353 # PARAMETERS: nothing
354 # RETURNS: nothing
355 # DESCRIPTION: creates an entry in known_daemons and send a 'here_i_am' msg to bus
356 #===============================================================================
357 #sub register_at_bus {
358 #
359 # # add bus to known_server_db
360 # my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
361 # primkey=>['hostname'],
362 # hostname=>$bus_address,
363 # status=>'bus',
364 # hostkey=>$bus_key,
365 # timestamp=>&get_time,
366 # } );
367 # my $msg_hash = &create_xml_hash("here_i_am", $server_address, $bus_address);
368 # my $msg = &create_xml_string($msg_hash);
369 #
370 # &main::send_msg_to_target($msg, $bus_address, $bus_key, "here_i_am");
371 # return $msg;
372 #}
376 # outcommented from rettenbe: moved to GosaSupportDaemon.pm
377 #sub import_events {
378 # if (not -e $event_dir) {
379 # &main::daemon_log("S ERROR: cannot find directory or directory is not readable: $event_dir", 1);
380 # }
381 # opendir (DIR, $event_dir) or die "ERROR while loading gosa-si-events from directory $event_dir : $!\n";
382 #
383 # while (defined (my $event = readdir (DIR))) {
384 # if( $event eq "." || $event eq ".." ) { next; }
385 # if( $event eq "gosaTriggered.pm" ) { next; } # only GOsa specific events
386 #
387 # eval{ require $event; };
388 # if( $@ ) {
389 # &main::daemon_log("S ERROR: import of event module '$event' failed", 1);
390 # &main::daemon_log("$@", 8);
391 # next;
392 # }
393 #
394 # $event =~ /(\S*?).pm$/;
395 # my $event_module = $1;
396 # my $events_l = eval( $1."::get_events()") ;
397 # foreach my $event_name (@{$events_l}) {
398 # $event_hash->{$event_name} = $event_module;
399 # }
400 # my $events_string = join( ", ", @{$events_l});
401 # &main::daemon_log("S DEBUG: ClientPackages imported events $events_string", 8);
402 # }
403 #}
406 #=== FUNCTION ================================================================
407 # NAME: process_incoming_msg
408 # PARAMETERS: crypted_msg - string - incoming crypted message
409 # RETURNS: nothing
410 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
411 #===============================================================================
412 sub process_incoming_msg {
413 my ($msg, $msg_hash, $session_id) = @_ ;
414 my $error = 0;
415 my $host_name;
416 my $host_key;
417 my @out_msg_l = ("nohandler");
418 my $sql_events;
420 # process incoming msg
421 my $header = @{$msg_hash->{header}}[0];
422 my $source = @{$msg_hash->{source}}[0];
423 my @target_l = @{$msg_hash->{target}};
425 # skip PREFIX
426 $header =~ s/^CLMSG_//;
428 &main::daemon_log("$session_id DEBUG: ClientPackages: msg to process: $header", 7);
430 if( 0 == length @target_l){
431 &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
432 $error++;
433 }
435 if( 1 == length @target_l) {
436 my $target = $target_l[0];
437 if(&server_matches($target)) {
438 if ($header eq 'new_key') {
439 @out_msg_l = &new_key($msg_hash)
440 } elsif ($header eq 'here_i_am') {
441 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id)
442 } else {
443 # a event exists with the header as name
444 if( exists $event_hash->{$header} ) {
445 &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
446 no strict 'refs';
447 @out_msg_l = &{$event_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
449 # if no event handler is implemented
450 } else {
451 $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$source') OR (hostname='$source') )";
452 my $res = $main::known_clients_db->select_dbentry( $sql_events );
453 my $l = keys(%$res);
455 # set error if no or more than 1 hits are found for sql query
456 if ( $l != 1) {
457 @out_msg_l = ('knownclienterror');
459 # found exact 1 hit in db
460 } else {
461 my $client_events = $res->{'1'}->{'events'};
463 # client is registered for this event, deliver this message to client
464 $header =~ s/^answer_//;
465 if ($client_events =~ /,$header,/) {
466 # answer message finally arrived destination server, so forward messages to GOsa
467 if ($target eq $main::server_address) {
468 $msg =~ s/<header>answer_/<header>/;
469 $msg =~ s/<target>\S+<\/target>/<target>GOSA<\/target>/;
470 }
471 @out_msg_l = ( $msg );
473 # client is not registered for this event, set error
474 } else {
475 @out_msg_l = ('noeventerror');
476 }
477 }
478 }
479 }
481 # if delivery not possible raise error and return
482 if( not defined $out_msg_l[0] ) {
483 @out_msg_l = ();
484 } elsif( $out_msg_l[0] eq 'nohandler') {
485 &main::daemon_log("$session_id ERROR: ClientPackages: no event handler or core function defined for '$header'", 1);
486 @out_msg_l = ();
487 } elsif ($out_msg_l[0] eq 'knownclienterror') {
488 &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
489 &main::daemon_log("$session_id WARNING: processing is aborted and message will not be forwarded");
490 @out_msg_l = ();
491 } elsif ($out_msg_l[0] eq 'noeventerror') {
492 &main::daemon_log("$session_id WARNING: client '$target' is not registered for event '$header', processing is aborted", 1);
493 @out_msg_l = ();
494 }
499 }
500 else {
501 &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
502 push(@out_msg_l, $msg);
503 }
504 }
506 return \@out_msg_l;
507 }
510 #=== FUNCTION ================================================================
511 # NAME: new_passwd
512 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
513 # RETURNS: nothing
514 # DESCRIPTION: process this incoming message
515 #===============================================================================
516 sub new_key {
517 my ($msg_hash) = @_;
518 my @out_msg_l;
520 my $header = @{$msg_hash->{header}}[0];
521 my $source_name = @{$msg_hash->{source}}[0];
522 my $source_key = @{$msg_hash->{new_key}}[0];
523 my $query_res;
525 # check known_clients_db
526 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
527 $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
528 if( 1 == keys %{$query_res} ) {
529 my $act_time = &get_time;
530 my $sql_statement= "UPDATE known_clients ".
531 "SET hostkey='$source_key', timestamp='$act_time' ".
532 "WHERE hostname='$source_name'";
533 my $res = $main::known_clients_db->update_dbentry( $sql_statement );
534 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
535 my $out_msg = &create_xml_string($hash);
536 push(@out_msg_l, $out_msg);
537 }
539 # only do if host still not found
540 if( 0 == @out_msg_l ) {
541 # check known_server_db
542 $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
543 $query_res = $main::known_server_db->select_dbentry( $sql_statement );
544 if( 1 == keys %{$query_res} ) {
545 my $act_time = &get_time;
546 my $sql_statement= "UPDATE known_server ".
547 "SET hostkey='$source_key', timestamp='$act_time' ".
548 "WHERE hostname='$source_name'";
549 my $res = $main::known_server_db->update_dbentry( $sql_statement );
551 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
552 my $out_msg = &create_xml_string($hash);
553 push(@out_msg_l, $out_msg);
554 }
555 }
557 return @out_msg_l;
558 }
561 #=== FUNCTION ================================================================
562 # NAME: here_i_am
563 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
564 # RETURNS: nothing
565 # DESCRIPTION: process this incoming message
566 #===============================================================================
567 sub here_i_am {
568 my ($msg, $msg_hash, $session_id) = @_;
569 my @out_msg_l;
570 my $out_hash;
571 my $source = @{$msg_hash->{source}}[0];
572 my $mac_address = @{$msg_hash->{mac_address}}[0];
573 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
574 my $client_status = @{$msg_hash->{client_status}}[0];
575 my $client_revision = @{$msg_hash->{client_revision}}[0];
576 my $key_lifetime = @{$msg_hash->{key_lifetime}}[0];
578 # number of known clients
579 my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
581 # check wether client address or mac address is already known
582 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
583 my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
585 if ( 1 == keys %{$db_res} ) {
586 &main::daemon_log("$session_id WARNING: $source is already known as a client", 1);
587 &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 1);
588 $nu_clients --;
589 }
591 # number of actual activ clients
592 my $act_nu_clients = $nu_clients;
594 &main::daemon_log("$session_id INFO: number of actual activ clients: $act_nu_clients", 5);
595 &main::daemon_log("$session_id INFO: number of maximal allowed clients: $max_clients", 5);
597 if($max_clients <= $act_nu_clients) {
598 my $out_hash = &create_xml_hash("denied", $server_address, $source);
599 &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
600 my $passwd = @{$msg_hash->{new_passwd}}[0];
601 &send_msg_hash2address($out_hash, $source, $passwd);
602 return;
603 }
605 # new client accepted
606 my $new_passwd = @{$msg_hash->{new_passwd}}[0];
608 # add entry to known_clients_db
609 my $events = @{$msg_hash->{events}}[0];
610 my $act_timestamp = &get_time;
611 my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
612 primkey=>['hostname'],
613 hostname=>$source,
614 events=>$events,
615 macaddress=>$mac_address,
616 status=>'registered',
617 hostkey=>$new_passwd,
618 timestamp=>$act_timestamp,
619 keylifetime=>$key_lifetime,
620 } );
622 if ($res != 0) {
623 &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res");
624 return;
625 }
627 # return acknowledgement to client
628 $out_hash = &create_xml_hash("registered", $server_address, $source);
631 # give the new client his ldap config
632 # Workaround: Send within the registration response, if the client will get an ldap config later
633 my $new_ldap_config_out = &new_ldap_config($source, $session_id);
634 if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
635 &add_content2xml_hash($out_hash, "ldap_available", "true");
636 } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
637 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
639 my $sql_statement = "UPDATE $main::job_queue_tn ".
640 "SET status='error', result='$new_ldap_config_out' ".
641 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
642 my $res = $main::job_db->update_dbentry($sql_statement);
643 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);
644 }
645 my $register_out = &create_xml_string($out_hash);
646 push(@out_msg_l, $register_out);
648 # Really send the ldap config
649 if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
650 push(@out_msg_l, $new_ldap_config_out);
651 }
653 my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
654 if( $hardware_config_out ) {
655 push(@out_msg_l, $hardware_config_out);
656 }
658 # notify registered client to all other server
659 my %mydata = ( 'client' => $source, 'macaddress' => $mac_address);
660 my $mymsg = &build_msg('new_foreign_client', $main::server_address, "KNOWN_SERVER", \%mydata);
661 push(@out_msg_l, $mymsg);
663 &main::daemon_log("$session_id INFO: register client $source ($mac_address)", 5);
664 &main::daemon_log("$session_id INFO: client version: $client_status - $client_revision", 5);
665 return @out_msg_l;
666 }
669 #=== FUNCTION ================================================================
670 # NAME: who_has
671 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
672 # RETURNS: nothing
673 # DESCRIPTION: process this incoming message
674 #===============================================================================
675 sub who_has {
676 my ($msg_hash) = @_ ;
677 my @out_msg_l;
679 # what is your search pattern
680 my $search_pattern = @{$msg_hash->{who_has}}[0];
681 my $search_element = @{$msg_hash->{$search_pattern}}[0];
682 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
684 # scanning known_clients for search_pattern
685 my @host_addresses = keys %$main::known_clients;
686 my $known_clients_entries = length @host_addresses;
687 my $host_address;
688 foreach my $host (@host_addresses) {
689 my $client_element = $main::known_clients->{$host}->{$search_pattern};
690 if ($search_element eq $client_element) {
691 $host_address = $host;
692 last;
693 }
694 }
696 # search was successful
697 if (defined $host_address) {
698 my $source = @{$msg_hash->{source}}[0];
699 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
700 &add_content2xml_hash($out_hash, "mac_address", $search_element);
701 my $out_msg = &create_xml_string($out_hash);
702 push(@out_msg_l, $out_msg);
703 }
704 return @out_msg_l;
705 }
708 sub who_has_i_do {
709 my ($msg_hash) = @_ ;
710 my $header = @{$msg_hash->{header}}[0];
711 my $source = @{$msg_hash->{source}}[0];
712 my $search_param = @{$msg_hash->{$header}}[0];
713 my $search_value = @{$msg_hash->{$search_param}}[0];
714 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
715 }
718 #=== FUNCTION ================================================================
719 # NAME: new_ldap_config
720 # PARAMETERS: address - string - ip address and port of a host
721 # RETURNS: gosa-si conform message
722 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
723 #===============================================================================
724 sub new_ldap_config {
725 my ($address, $session_id) = @_ ;
727 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
728 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
730 # check hit
731 my $hit_counter = keys %{$res};
732 if( not $hit_counter == 1 ) {
733 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query '$sql_statement'", 1);
734 }
736 $address = $res->{1}->{hostname};
737 my $macaddress = $res->{1}->{macaddress};
738 my $hostkey = $res->{1}->{hostkey};
740 if (not defined $macaddress) {
741 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
742 return;
743 }
745 # Build LDAP connection
746 my $ldap_handle = &main::get_ldap_handle($session_id);
747 if( not defined $ldap_handle ) {
748 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
749 return;
750 }
752 # Perform search
753 $mesg = $ldap_handle->search( base => $ldap_base,
754 scope => 'sub',
755 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
756 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
757 if($mesg->code) {
758 &main::daemon_log("$session_id ".$mesg->error, 1);
759 return;
760 }
762 # Sanity check
763 if ($mesg->count != 1) {
764 &main::daemon_log("$session_id WARNING: client with mac address $macaddress not found/unique/active - not sending ldap config".
765 "\n\tbase: $ldap_base".
766 "\n\tscope: sub".
767 "\n\tattrs: dn, gotoLdapServer".
768 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
769 return;
770 }
772 my $entry= $mesg->entry(0);
773 my $dn= $entry->dn;
774 my @servers= $entry->get_value("gotoLdapServer");
775 my $unit_tag= $entry->get_value("gosaUnitTag");
776 my @ldap_uris;
777 my $server;
778 my $base;
779 my $release;
781 # Fill release if available
782 my $FAIclass= $entry->get_value("FAIclass");
783 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
784 $release= $1;
785 }
787 # Do we need to look at an object class?
788 if (not @servers){
789 $mesg = $ldap_handle->search( base => $ldap_base,
790 scope => 'sub',
791 attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
792 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
793 #$mesg->code && die $mesg->error;
794 if($mesg->code) {
795 &main::daemon_log("$session_id ".$mesg->error, 1);
796 return;
797 }
799 # Sanity check
800 if ($mesg->count != 1) {
801 &main::daemon_log("$session_id WARNING: no LDAP information found for client mac $macaddress", 1);
802 return;
803 }
805 $entry= $mesg->entry(0);
806 $dn= $entry->dn;
807 @servers= $entry->get_value("gotoLdapServer");
809 if (not defined $release){
810 $FAIclass= $entry->get_value("FAIclass");
811 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
812 $release= $1;
813 }
814 }
815 }
817 @servers= sort (@servers);
819 foreach $server (@servers){
820 # Conversation for backward compatibility
821 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
822 if ($server =~ /^([^:]+):([^:]+)$/ ) {
823 $server= "1:dummy:ldap://$1/$2";
824 } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
825 $server= "$1:dummy:ldap://$2/$3";
826 }
827 }
829 $base= $server;
830 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
831 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
832 push (@ldap_uris, $server);
833 }
835 # Assemble data package
836 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
837 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
838 if (defined $release){
839 $data{'release'}= $release;
840 }
842 # Need to append GOto settings?
843 if (defined $goto_admin and defined $goto_secret){
844 $data{'goto_admin'}= $goto_admin;
845 $data{'goto_secret'}= $goto_secret;
846 }
848 # Append unit tag if needed
849 if (defined $unit_tag){
851 # Find admin base and department name
852 $mesg = $ldap_handle->search( base => $ldap_base,
853 scope => 'sub',
854 attrs => ['dn', 'ou'],
855 filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
856 #$mesg->code && die $mesg->error;
857 if($mesg->code) {
858 &main::daemon_log($mesg->error, 1);
859 return "error-unit-tag-count-0";
860 }
862 # Sanity check
863 if ($mesg->count != 1) {
864 &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
865 return "error-unit-tag-count-".$mesg->count;
866 }
868 $entry= $mesg->entry(0);
869 $data{'admin_base'}= $entry->dn;
870 $data{'department'}= $entry->get_value("ou");
872 # Append unit Tag
873 $data{'unit_tag'}= $unit_tag;
874 }
876 # Send information
877 return &build_msg("new_ldap_config", $server_address, $address, \%data);
878 }
881 #=== FUNCTION ================================================================
882 # NAME: hardware_config
883 # PARAMETERS: address - string - ip address and port of a host
884 # RETURNS:
885 # DESCRIPTION:
886 #===============================================================================
887 sub hardware_config {
888 my ($msg, $msg_hash, $session_id) = @_ ;
889 my $address = @{$msg_hash->{source}}[0];
890 my $header = @{$msg_hash->{header}}[0];
891 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
893 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
894 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
896 # check hit
897 my $hit_counter = keys %{$res};
898 if( not $hit_counter == 1 ) {
899 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
900 }
901 my $macaddress = $res->{1}->{macaddress};
902 my $hostkey = $res->{1}->{hostkey};
904 if (not defined $macaddress) {
905 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
906 return;
907 }
909 # Build LDAP connection
910 my $ldap_handle = &main::get_ldap_handle($session_id);
911 if( not defined $ldap_handle ) {
912 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
913 return;
914 }
916 # Perform search
917 $mesg = $ldap_handle->search(
918 base => $ldap_base,
919 scope => 'sub',
920 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
921 );
923 if($mesg->count() == 0) {
924 &main::daemon_log("Host was not found in LDAP!", 1);
926 # set status = hardware_detection at jobqueue if entry exists
927 # TODO
928 # resolve plain name for host
929 my $func_dic = {table=>$main::job_queue_tn,
930 primkey=>['macaddress', 'headertag'],
931 timestamp=>&get_time,
932 status=>'processing',
933 result=>'none',
934 progress=>'hardware-detection',
935 headertag=>'trigger_action_reinstall',
936 targettag=>$address,
937 xmlmessage=>'none',
938 macaddress=>$macaddress,
939 plainname=>'none',
940 };
941 my $hd_res = $main::job_db->add_dbentry($func_dic);
942 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
944 } else {
945 my $entry= $mesg->entry(0);
946 my $dn= $entry->dn;
947 if (defined($entry->get_value("gotoHardwareChecksum"))) {
948 if (! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
949 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
950 if($entry->update($ldap_handle)) {
951 &main::daemon_log("$session_id INFO: Hardware changed! Detection triggered.", 5);
952 }
953 } else {
954 # Nothing to do
955 return;
956 }
957 }
958 }
960 # Assemble data package
961 my %data = ();
963 # Need to append GOto settings?
964 if (defined $goto_admin and defined $goto_secret){
965 $data{'goto_admin'}= $goto_admin;
966 $data{'goto_secret'}= $goto_secret;
967 }
969 # Send information
970 return &build_msg("detect_hardware", $server_address, $address, \%data);
971 }
973 sub server_matches {
974 my $target = shift;
975 my $target_ip = ($1) if $target =~ /^([0-9\.]*?):.*$/;
976 if(!defined($target_ip) or length($target_ip) == 0) {
977 return;
978 }
980 my $result = 0;
982 if($server_ip eq $target_ip) {
983 $result= 1;
984 } elsif ($target_ip eq "0.0.0.0") {
985 $result= 1;
986 } elsif ($server_ip eq "0.0.0.0") {
987 if ($target_ip eq "127.0.0.1") {
988 $result= 1;
989 } else {
990 my $PROC_NET_ROUTE= ('/proc/net/route');
992 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
993 or die "Could not open $PROC_NET_ROUTE";
995 my @ifs = <PROC_NET_ROUTE>;
997 close(PROC_NET_ROUTE);
999 # Eat header line
1000 shift @ifs;
1001 chomp @ifs;
1002 foreach my $line(@ifs) {
1003 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
1004 my $destination;
1005 my $mask;
1006 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
1007 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1008 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
1009 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1010 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
1011 # destination matches route, save mac and exit
1012 $result= 1;
1013 last;
1014 }
1015 }
1016 }
1017 } else {
1018 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
1019 }
1021 return $result;
1022 }
1024 1;