7ee752072f553f6f864efb872c32985b4e4a3829
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_mac_address, $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 $mesg;
35 my %cfg_defaults = (
36 "bus" => {
37 "activ" => [\$bus_activ, "on"],
38 "key" => [\$bus_key, ""],
39 "ip" => [\$bus_ip, ""],
40 "port" => [\$bus_port, "20080"],
41 },
42 "server" => {
43 "ip" => [\$server_ip, "0.0.0.0"],
44 "mac-address" => [\$server_mac_address, "00:00:00:00:00"],
45 "port" => [\$server_port, "20081"],
46 "ldap-uri" => [\$ldap_uri, ""],
47 "ldap-base" => [\$ldap_base, ""],
48 "ldap-admin-dn" => [\$ldap_admin_dn, ""],
49 "ldap-admin-password" => [\$ldap_admin_password, ""],
50 "max-clients" => [\$max_clients, 100],
51 },
52 "SIPackages" => {
53 "key" => [\$SIPackages_key, ""],
54 },
55 );
57 ### START #####################################################################
59 # read configfile and import variables
60 &read_configfile();
63 # if server_ip is not an ip address but a name
64 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
65 $network_interface= &get_interface_for_ip($server_ip);
66 $server_mac_address= &get_mac($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 $server_mac_address",5);
76 # Perform search for Unit Tag
77 $mesg = $main::ldap_handle->search(
78 base => $ldap_base,
79 scope => 'sub',
80 attrs => ['gosaUnitTag'],
81 filter => "(macaddress=$server_mac_address)"
82 );
84 if ($mesg->count == 1) {
85 my $entry= $mesg->entry(0);
86 my $unit_tag= $entry->get_value("gosaUnitTag");
87 if(defined($unit_tag) && length($unit_tag) > 0) {
88 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
89 $main::gosa_unit_tag= $unit_tag;
90 }
91 } else {
92 # Perform another search for Unit Tag
93 my $hostname= `hostname -f`;
94 chomp($hostname);
95 &main::daemon_log("INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
96 $mesg = $main::ldap_handle->search(
97 base => $ldap_base,
98 scope => 'sub',
99 attrs => ['gosaUnitTag'],
100 filter => "(&(cn=$hostname)(objectClass=goServer))"
101 );
102 if ($mesg->count == 1) {
103 my $entry= $mesg->entry(0);
104 my $unit_tag= $entry->get_value("gosaUnitTag");
105 if(defined($unit_tag) && length($unit_tag) > 0) {
106 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
107 $main::gosa_unit_tag= $unit_tag;
108 }
109 } else {
110 # Perform another search for Unit Tag
111 $hostname= `hostname -s`;
112 chomp($hostname);
113 &main::daemon_log("INFO: Searching for servers gosaUnitTag with hostname $hostname",5);
114 $mesg = $main::ldap_handle->search(
115 base => $ldap_base,
116 scope => 'sub',
117 attrs => ['gosaUnitTag'],
118 filter => "(&(cn=$hostname)(objectClass=goServer))"
119 );
120 if ($mesg->count == 1) {
121 my $entry= $mesg->entry(0);
122 my $unit_tag= $entry->get_value("gosaUnitTag");
123 if(defined($unit_tag) && length($unit_tag) > 0) {
124 &main::daemon_log("INFO: Detected gosaUnitTag $unit_tag for creating entries", 5);
125 $main::gosa_unit_tag= $unit_tag;
126 }
127 } else {
128 &main::daemon_log("WARNING: No gosaUnitTag detected. Not using gosaUnitTag", 3);
129 }
130 }
131 }
132 } else {
133 &main::daemon_log("INFO: Using gosaUnitTag from config-file: $main::gosa_unit_tag",5);
134 }
135 }
138 my $server_address = "$server_ip:$server_port";
139 $main::server_address = $server_address;
142 if( inet_aton($bus_ip) ){ $bus_ip = inet_ntoa(inet_aton($bus_ip)); }
143 ######################################################
144 # to change
145 if( $bus_ip eq "127.0.1.1" ) { $bus_ip = "127.0.0.1" }
146 ######################################################
147 my $bus_address = "$bus_ip:$bus_port";
148 $main::bus_address = $bus_address;
150 # create general settings for this module
151 my $xml = new XML::Simple();
153 # register at bus
154 if ($main::no_bus > 0) {
155 $bus_activ = "off"
156 }
157 if($bus_activ eq "on") {
158 ®ister_at_bus();
159 }
161 # add myself to known_server_db
162 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
163 primkey=>['hostname'],
164 hostname=>$server_address,
165 status=>'myself',
166 hostkey=>$SIPackages_key,
167 timestamp=>&get_time,
168 } );
172 ### functions #################################################################
175 sub get_module_info {
176 my @info = ($server_address,
177 $SIPackages_key,
178 );
179 return \@info;
180 }
183 #=== FUNCTION ================================================================
184 # NAME: read_configfile
185 # PARAMETERS: cfg_file - string -
186 # RETURNS: nothing
187 # DESCRIPTION: read cfg_file and set variables
188 #===============================================================================
189 sub read_configfile {
190 my $cfg;
191 if( defined( $main::cfg_file) && ( length($main::cfg_file) > 0 )) {
192 if( -r $main::cfg_file ) {
193 $cfg = Config::IniFiles->new( -file => $main::cfg_file );
194 } else {
195 print STDERR "Couldn't read config file!";
196 }
197 } else {
198 $cfg = Config::IniFiles->new() ;
199 }
200 foreach my $section (keys %cfg_defaults) {
201 foreach my $param (keys %{$cfg_defaults{ $section }}) {
202 my $pinfo = $cfg_defaults{ $section }{ $param };
203 ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
204 }
205 }
207 # Read non predefined sections
208 my $param;
209 if ($cfg->SectionExists('ldap')){
210 foreach $param ($cfg->Parameters('ldap')){
211 push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
212 }
213 }
214 if ($cfg->SectionExists('pam_ldap')){
215 foreach $param ($cfg->Parameters('pam_ldap')){
216 push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
217 }
218 }
219 if ($cfg->SectionExists('nss_ldap')){
220 foreach $param ($cfg->Parameters('nss_ldap')){
221 push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
222 }
223 }
224 if ($cfg->SectionExists('goto')){
225 $goto_admin= $cfg->val('goto', 'terminal_admin');
226 $goto_secret= $cfg->val('goto', 'terminal_secret');
227 } else {
228 $goto_admin= undef;
229 $goto_secret= undef;
230 }
232 }
234 #=== FUNCTION ================================================================
235 # NAME: get_interface_for_ip
236 # PARAMETERS: ip address (i.e. 192.168.0.1)
237 # RETURNS: array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
238 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
239 #===============================================================================
240 sub get_interface_for_ip {
241 my $result;
242 my $ip= shift;
243 if ($ip && length($ip) > 0) {
244 my @ifs= &get_interfaces();
245 if($ip eq "0.0.0.0") {
246 $result = "all";
247 } else {
248 foreach (@ifs) {
249 my $if=$_;
250 if(&main::get_ip($if) eq $ip) {
251 $result = $if;
252 }
253 }
254 }
255 }
256 return $result;
257 }
259 #=== FUNCTION ================================================================
260 # NAME: get_interfaces
261 # PARAMETERS: none
262 # RETURNS: (list of interfaces)
263 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
264 #===============================================================================
265 sub get_interfaces {
266 my @result;
267 my $PROC_NET_DEV= ('/proc/net/dev');
269 open(PROC_NET_DEV, "<$PROC_NET_DEV")
270 or die "Could not open $PROC_NET_DEV";
272 my @ifs = <PROC_NET_DEV>;
274 close(PROC_NET_DEV);
276 # Eat first two line
277 shift @ifs;
278 shift @ifs;
280 chomp @ifs;
281 foreach my $line(@ifs) {
282 my $if= (split /:/, $line)[0];
283 $if =~ s/^\s+//;
284 push @result, $if;
285 }
287 return @result;
288 }
290 #=== FUNCTION ================================================================
291 # NAME: get_mac
292 # PARAMETERS: interface name (i.e. eth0)
293 # RETURNS: (mac address)
294 # DESCRIPTION: Uses ioctl to get mac address directly from system.
295 #===============================================================================
296 sub get_mac {
297 my $ifreq= shift;
298 my $result;
299 if ($ifreq && length($ifreq) > 0) {
300 if($ifreq eq "all") {
301 $result = "00:00:00:00:00:00";
302 } else {
303 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
305 # A configured MAC Address should always override a guessed value
306 if ($server_mac_address and length($server_mac_address) > 0) {
307 $result= $server_mac_address;
308 }
310 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
311 or die "socket: $!";
313 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
314 my ($if, $mac)= unpack 'h36 H12', $ifreq;
316 if (length($mac) > 0) {
317 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
318 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
319 $result = $mac;
320 }
321 }
322 }
323 }
324 return $result;
325 }
328 #=== FUNCTION ================================================================
329 # NAME: register_at_bus
330 # PARAMETERS: nothing
331 # RETURNS: nothing
332 # DESCRIPTION: creates an entry in known_daemons and send a 'here_i_am' msg to bus
333 #===============================================================================
334 sub register_at_bus {
336 # add bus to known_server_db
337 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
338 primkey=>['hostname'],
339 hostname=>$bus_address,
340 status=>'bus',
341 hostkey=>$bus_key,
342 timestamp=>&get_time,
343 } );
344 my $msg_hash = &create_xml_hash("here_i_am", $server_address, $bus_address);
345 my $msg = &create_xml_string($msg_hash);
347 &main::send_msg_to_target($msg, $bus_address, $bus_key, "here_i_am");
348 return $msg;
349 }
352 sub import_events {
353 if (not -e $event_dir) {
354 &main::daemon_log("ERROR: cannot find directory or directory is not readable: $event_dir", 1);
355 }
356 opendir (DIR, $event_dir) or die "ERROR while loading gosa-si-events from directory $event_dir : $!\n";
358 while (defined (my $event = readdir (DIR))) {
359 if( $event eq "." || $event eq ".." ) { next; }
360 if( $event eq "gosaTriggered.pm" ) { next; } # only GOsa specific events
362 eval{ require $event; };
363 if( $@ ) {
364 &main::daemon_log("import of event module '$event' failed", 1);
365 &main::daemon_log("$@", 8);
366 next;
367 }
369 $event =~ /(\S*?).pm$/;
370 my $event_module = $1;
371 my $events_l = eval( $1."::get_events()") ;
372 foreach my $event_name (@{$events_l}) {
373 $event_hash->{$event_name} = $event_module;
374 }
375 my $events_string = join( ", ", @{$events_l});
376 &main::daemon_log("INFO: SIPackages imported events $events_string", 5);
377 }
378 }
381 #=== FUNCTION ================================================================
382 # NAME: process_incoming_msg
383 # PARAMETERS: crypted_msg - string - incoming crypted message
384 # RETURNS: nothing
385 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
386 #===============================================================================
387 sub process_incoming_msg {
388 my ($msg, $msg_hash, $session_id) = @_ ;
389 my $error = 0;
390 my $host_name;
391 my $host_key;
392 my @out_msg_l = ("nohandler");
394 # process incoming msg
395 my $header = @{$msg_hash->{header}}[0];
396 my @target_l = @{$msg_hash->{target}};
398 # skip PREFIX
399 $header =~ s/^CLMSG_//;
401 &main::daemon_log("$session_id DEBUG: SIPackages: msg to process: $header", 7);
403 if( 0 == length @target_l){
404 &main::daemon_log("$session_id ERROR: no target specified for msg $header", 1);
405 $error++;
406 }
408 if( 1 == length @target_l) {
409 my $target = $target_l[0];
410 if(&server_matches($target)) {
413 if ($header eq 'new_key') {
414 @out_msg_l = &new_key($msg_hash)
415 } elsif ($header eq 'here_i_am') {
416 @out_msg_l = &here_i_am($msg, $msg_hash, $session_id)
417 } else {
418 if( exists $event_hash->{$header} ) {
419 # a event exists with the header as name
420 &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
421 no strict 'refs';
422 @out_msg_l = &{$event_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
423 }
424 }
426 # if delivery not possible raise error and return
427 if( not defined $out_msg_l[0] ) {
428 @out_msg_l = ();
429 } elsif( $out_msg_l[0] eq 'nohandler') {
430 &main::daemon_log("$session_id ERROR: SIPackages: no event handler or core function defined for '$header'", 1);
431 @out_msg_l = ();
432 }
434 }
435 else {
436 &main::daemon_log("INFO: msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
437 push(@out_msg_l, $msg);
438 }
439 }
441 return \@out_msg_l;
442 }
445 #=== FUNCTION ================================================================
446 # NAME: new_passwd
447 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
448 # RETURNS: nothing
449 # DESCRIPTION: process this incoming message
450 #===============================================================================
451 sub new_key {
452 my ($msg_hash) = @_;
453 my @out_msg_l;
455 my $header = @{$msg_hash->{header}}[0];
456 my $source_name = @{$msg_hash->{source}}[0];
457 my $source_key = @{$msg_hash->{new_key}}[0];
458 my $query_res;
460 # check known_clients_db
461 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
462 $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
463 if( 1 == keys %{$query_res} ) {
464 my $act_time = &get_time;
465 my $sql_statement= "UPDATE known_clients ".
466 "SET hostkey='$source_key', timestamp='$act_time' ".
467 "WHERE hostname='$source_name'";
468 my $res = $main::known_clients_db->update_dbentry( $sql_statement );
469 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
470 my $out_msg = &create_xml_string($hash);
471 push(@out_msg_l, $out_msg);
472 }
474 # only do if host still not found
475 if( 0 == @out_msg_l ) {
476 # check known_server_db
477 $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
478 $query_res = $main::known_server_db->select_dbentry( $sql_statement );
479 if( 1 == keys %{$query_res} ) {
480 my $act_time = &get_time;
481 my $sql_statement= "UPDATE known_server ".
482 "SET hostkey='$source_key', timestamp='$act_time' ".
483 "WHERE hostname='$source_name'";
484 my $res = $main::known_server_db->update_dbentry( $sql_statement );
486 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
487 my $out_msg = &create_xml_string($hash);
488 push(@out_msg_l, $out_msg);
489 }
490 }
492 return @out_msg_l;
493 }
496 #=== FUNCTION ================================================================
497 # NAME: here_i_am
498 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
499 # RETURNS: nothing
500 # DESCRIPTION: process this incoming message
501 #===============================================================================
502 sub here_i_am {
503 my ($msg, $msg_hash, $session_id) = @_;
504 my @out_msg_l;
505 my $out_hash;
507 my $source = @{$msg_hash->{source}}[0];
508 my $mac_address = @{$msg_hash->{mac_address}}[0];
509 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
511 # number of known clients
512 my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
514 # check wether client address or mac address is already known
515 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
516 my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
518 if ( 1 == keys %{$db_res} ) {
519 &main::daemon_log("$session_id WARNING: $source is already known as a client", 1);
520 &main::daemon_log("$session_id WARNING: values for $source are being overwritten", 1);
521 $nu_clients --;
522 }
524 # number of actual activ clients
525 my $act_nu_clients = $nu_clients;
527 &main::daemon_log("$session_id INFO: number of actual activ clients: $act_nu_clients", 5);
528 &main::daemon_log("$session_id INFO: number of maximal allowed clients: $max_clients", 5);
530 if($max_clients <= $act_nu_clients) {
531 my $out_hash = &create_xml_hash("denied", $server_address, $source);
532 &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
533 my $passwd = @{$msg_hash->{new_passwd}}[0];
534 &send_msg_hash2address($out_hash, $source, $passwd);
535 return;
536 }
538 # new client accepted
539 my $new_passwd = @{$msg_hash->{new_passwd}}[0];
541 # create entry in known_clients
542 my $events = @{$msg_hash->{events}}[0];
545 # add entry to known_clients_db
546 my $act_timestamp = &get_time;
547 my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
548 primkey=>['hostname'],
549 hostname=>$source,
550 events=>$events,
551 macaddress=>$mac_address,
552 status=>'registered',
553 hostkey=>$new_passwd,
554 timestamp=>$act_timestamp,
555 } );
557 if ($res != 0) {
558 &main::daemon_log("$session_id ERROR: cannot add entry to known_clients: $res");
559 return;
560 }
562 # return acknowledgement to client
563 $out_hash = &create_xml_hash("registered", $server_address, $source);
565 # notify registered client to bus
566 if( $bus_activ eq "on") {
567 # fetch actual bus key
568 my $sql_statement= "SELECT * FROM known_server WHERE status='bus'";
569 my $query_res = $main::known_server_db->select_dbentry( $sql_statement );
570 my $hostkey = $query_res->{1}->{'hostkey'};
572 # send update msg to bus
573 $out_hash = &create_xml_hash("new_client", $server_address, $bus_address, $source);
574 &add_content2xml_hash($out_hash, "macaddress", $mac_address);
575 &add_content2xml_hash($out_hash, "timestamp", $act_timestamp);
576 my $new_client_out = &create_xml_string($out_hash);
577 push(@out_msg_l, $new_client_out);
578 &main::daemon_log("$session_id INFO: send bus msg that client '$source' has registered at server '$server_address'", 5);
579 }
581 # give the new client his ldap config
582 # Workaround: Send within the registration response, if the client will get an ldap config later
583 my $new_ldap_config_out = &new_ldap_config($source, $session_id);
584 if($new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
585 &add_content2xml_hash($out_hash, "ldap_available", "true");
586 } elsif($new_ldap_config_out && $new_ldap_config_out =~ /error/){
587 &add_content2xml_hash($out_hash, "error", $new_ldap_config_out);
589 my $sql_statement = "UPDATE $main::job_queue_tn ".
590 "SET status='error', result='$new_ldap_config_out' ".
591 "WHERE status='processing' AND macaddress LIKE '$mac_address'";
592 my $res = $main::job_db->update_dbentry($sql_statement);
593 &main::daemon_log("$session_id DEBUG: $sql_statement RESULT: $res", 7);
594 }
595 my $register_out = &create_xml_string($out_hash);
596 push(@out_msg_l, $register_out);
598 # Really send the ldap config
599 if( $new_ldap_config_out && (!($new_ldap_config_out =~ /error/))) {
600 push(@out_msg_l, $new_ldap_config_out);
601 }
603 my $hardware_config_out = &hardware_config($msg, $msg_hash, $session_id);
604 if( $hardware_config_out ) {
605 push(@out_msg_l, $hardware_config_out);
606 }
608 return @out_msg_l;
609 }
612 #=== FUNCTION ================================================================
613 # NAME: who_has
614 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
615 # RETURNS: nothing
616 # DESCRIPTION: process this incoming message
617 #===============================================================================
618 sub who_has {
619 my ($msg_hash) = @_ ;
620 my @out_msg_l;
622 # what is your search pattern
623 my $search_pattern = @{$msg_hash->{who_has}}[0];
624 my $search_element = @{$msg_hash->{$search_pattern}}[0];
625 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
627 # scanning known_clients for search_pattern
628 my @host_addresses = keys %$main::known_clients;
629 my $known_clients_entries = length @host_addresses;
630 my $host_address;
631 foreach my $host (@host_addresses) {
632 my $client_element = $main::known_clients->{$host}->{$search_pattern};
633 if ($search_element eq $client_element) {
634 $host_address = $host;
635 last;
636 }
637 }
639 # search was successful
640 if (defined $host_address) {
641 my $source = @{$msg_hash->{source}}[0];
642 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
643 &add_content2xml_hash($out_hash, "mac_address", $search_element);
644 my $out_msg = &create_xml_string($out_hash);
645 push(@out_msg_l, $out_msg);
646 }
647 return @out_msg_l;
648 }
651 sub who_has_i_do {
652 my ($msg_hash) = @_ ;
653 my $header = @{$msg_hash->{header}}[0];
654 my $source = @{$msg_hash->{source}}[0];
655 my $search_param = @{$msg_hash->{$header}}[0];
656 my $search_value = @{$msg_hash->{$search_param}}[0];
657 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
658 }
661 #=== FUNCTION ================================================================
662 # NAME: new_ldap_config
663 # PARAMETERS: address - string - ip address and port of a host
664 # RETURNS: gosa-si conform message
665 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
666 #===============================================================================
667 sub new_ldap_config {
668 my ($address, $session_id) = @_ ;
670 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address' OR macaddress LIKE '$address'";
671 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
673 # check hit
674 my $hit_counter = keys %{$res};
675 if( not $hit_counter == 1 ) {
676 &main::daemon_log("$session_id ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
677 }
679 $address = $res->{1}->{hostname};
680 my $macaddress = $res->{1}->{macaddress};
681 my $hostkey = $res->{1}->{hostkey};
683 if (not defined $macaddress) {
684 &main::daemon_log("$session_id ERROR: no mac address found for client $address", 1);
685 return;
686 }
688 # Build LDAP connection
689 &main::refresh_ldap_handle();
690 if( not defined $main::ldap_handle ) {
691 &main::daemon_log("$session_id ERROR: cannot connect to ldap: $ldap_uri", 1);
692 return;
693 }
695 # Perform search
696 $mesg = $main::ldap_handle->search( base => $ldap_base,
697 scope => 'sub',
698 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag', 'FAIclass'],
699 filter => "(&(objectClass=GOhard)(macaddress=$macaddress)(gotoLdapServer=*))");
700 #$mesg->code && die $mesg->error;
701 if($mesg->code) {
702 &main::daemon_log("$session_id ".$mesg->error, 1);
703 return;
704 }
706 # Sanity check
707 if ($mesg->count != 1) {
708 &main::daemon_log("$session_id WARNING: client with mac address $macaddress not found/unique/active - not sending ldap config".
709 "\n\tbase: $ldap_base".
710 "\n\tscope: sub".
711 "\n\tattrs: dn, gotoLdapServer".
712 "\n\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress)(gotoLdapServer=*))", 1);
713 return;
714 }
716 my $entry= $mesg->entry(0);
717 my $dn= $entry->dn;
718 my @servers= $entry->get_value("gotoLdapServer");
719 my $unit_tag= $entry->get_value("gosaUnitTag");
720 my @ldap_uris;
721 my $server;
722 my $base;
723 my $release;
725 # Fill release if available
726 my $FAIclass= $entry->get_value("FAIclass");
727 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
728 $release= $1;
729 }
731 # Do we need to look at an object class?
732 if (length(@servers) < 1){
733 $mesg = $main::ldap_handle->search( base => $ldap_base,
734 scope => 'sub',
735 attrs => ['dn', 'gotoLdapServer', 'FAIclass'],
736 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
737 #$mesg->code && die $mesg->error;
738 if($mesg->code) {
739 &main::daemon_log("$session_id ".$mesg->error, 1);
740 return;
741 }
743 # Sanity check
744 if ($mesg->count != 1) {
745 &main::daemon_log("$session_id WARNING: no LDAP information found for client mac $macaddress", 1);
746 return;
747 }
749 $entry= $mesg->entry(0);
750 $dn= $entry->dn;
751 @servers= $entry->get_value("gotoLdapServer");
753 if (not defined $release){
754 $FAIclass= $entry->get_value("FAIclass");
755 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
756 $release= $1;
757 }
758 }
759 }
761 @servers= sort (@servers);
763 foreach $server (@servers){
764 # Conversation for backward compatibility
765 if (not $server =~ /^\d+:[^:]+:ldap[^:]*:\/\// ) {
766 if ($server =~ /^([^:]+):([^:]+)$/ ) {
767 $server= "1:dummy:ldap://$1/$2";
768 } elsif ($server =~ /^(\d+):([^:]+):(.*)$/ ) {
769 $server= "$1:dummy:ldap://$2/$3";
770 }
771 }
773 $base= $server;
774 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
775 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
776 push (@ldap_uris, $server);
777 }
779 # Assemble data package
780 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
781 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
782 if (defined $release){
783 $data{'release'}= $release;
784 }
786 # Need to append GOto settings?
787 if (defined $goto_admin and defined $goto_secret){
788 $data{'goto_admin'}= $goto_admin;
789 $data{'goto_secret'}= $goto_secret;
790 }
792 # Append unit tag if needed
793 if (defined $unit_tag){
795 # Find admin base and department name
796 $mesg = $main::ldap_handle->search( base => $ldap_base,
797 scope => 'sub',
798 attrs => ['dn', 'ou'],
799 filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
800 #$mesg->code && die $mesg->error;
801 if($mesg->code) {
802 &main::daemon_log($mesg->error, 1);
803 return "error-unit-tag-count-0";
804 }
806 # Sanity check
807 if ($mesg->count != 1) {
808 &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
809 return "error-unit-tag-count-".$mesg->count;
810 }
812 $entry= $mesg->entry(0);
813 $data{'admin_base'}= $entry->dn;
814 $data{'department'}= $entry->get_value("ou");
816 # Append unit Tag
817 $data{'unit_tag'}= $unit_tag;
818 }
820 # Send information
821 return &build_msg("new_ldap_config", $server_address, $address, \%data);
822 }
825 #=== FUNCTION ================================================================
826 # NAME: hardware_config
827 # PARAMETERS: address - string - ip address and port of a host
828 # RETURNS:
829 # DESCRIPTION:
830 #===============================================================================
831 sub hardware_config {
832 my ($msg, $msg_hash, $session_id) = @_ ;
833 my $address = @{$msg_hash->{source}}[0];
834 my $header = @{$msg_hash->{header}}[0];
835 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
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 }
845 my $macaddress = $res->{1}->{macaddress};
846 my $hostkey = $res->{1}->{hostkey};
848 if (not defined $macaddress) {
849 &main::daemon_log("ERROR: no mac address found for client $address", 1);
850 return;
851 }
853 # Build LDAP connection
854 &main::refresh_ldap_handle();
855 if( not defined $main::ldap_handle ) {
856 &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
857 return;
858 }
860 # Perform search
861 $mesg = $main::ldap_handle->search(
862 base => $ldap_base,
863 scope => 'sub',
864 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
865 );
867 if($mesg->count() == 0) {
868 &main::daemon_log("Host was not found in LDAP!", 1);
869 } else {
870 my $entry= $mesg->entry(0);
871 my $dn= $entry->dn;
872 if(defined($entry->get_value("gotoHardwareChecksum"))) {
873 if(! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
874 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
875 if($entry->update($main::ldap_handle)) {
876 &main::daemon_log("Hardware changed! Detection triggered.", 4);
877 }
878 } else {
879 # Nothing to do
880 return;
881 }
882 }
883 }
885 # Assemble data package
886 my %data = ();
888 # Need to append GOto settings?
889 if (defined $goto_admin and defined $goto_secret){
890 $data{'goto_admin'}= $goto_admin;
891 $data{'goto_secret'}= $goto_secret;
892 }
894 # set status = hardware_detection at jobqueue if entry exists
895 my $func_dic = {table=>$main::job_queue_tn,
896 primkey=>['id'],
897 timestamp=>&get_time,
898 status=>'processing',
899 result=>'none',
900 progress=>'hardware-detection',
901 headertag=>$header,
902 targettag=>$address,
903 xmlmessage=>$msg,
904 macaddress=>$macaddress,
905 };
906 my $hd_res = $main::job_db->add_dbentry($func_dic);
907 &main::daemon_log("$session_id INFO: add '$macaddress' to job queue as an installing job", 5);
909 # Send information
910 &main::daemon_log("$session_id INFO: Send detect_hardware message to $address", 5);
911 return &build_msg("detect_hardware", $server_address, $address, \%data);
912 }
914 sub server_matches {
915 my $target = shift;
916 my $target_ip = sprintf("%s", $target =~ /^([0-9\.]*?):.*$/);
917 my $result = 0;
919 if($server_ip eq $target_ip) {
920 $result= 1;
921 } elsif ($target_ip eq "0.0.0.0") {
922 $result= 1;
923 } elsif ($server_ip eq "0.0.0.0") {
924 if ($target_ip eq "127.0.0.1") {
925 $result= 1;
926 } else {
927 my $PROC_NET_ROUTE= ('/proc/net/route');
929 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
930 or die "Could not open $PROC_NET_ROUTE";
932 my @ifs = <PROC_NET_ROUTE>;
934 close(PROC_NET_ROUTE);
936 # Eat header line
937 shift @ifs;
938 chomp @ifs;
939 foreach my $line(@ifs) {
940 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
941 my $destination;
942 my $mask;
943 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
944 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
945 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
946 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
947 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
948 # destination matches route, save mac and exit
949 $result= 1;
950 last;
951 }
952 }
953 }
954 } else {
955 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
956 }
958 return $result;
959 }
961 1;