1 package ServerPackages;
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 Net::LDAP;
16 use Socket qw/PF_INET SOCK_DGRAM inet_ntoa sockaddr_in/;
18 BEGIN{}
19 END {}
21 my ($known_clients_file_name);
22 my ($server_activ, $server_ip, $server_mac_address, $server_port, $server_passwd, $max_clients, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password);
23 my ($bus_activ, $bus_passwd, $bus_ip, $bus_port);
24 my $server;
25 my $network_interface;
26 my $no_bus;
27 my (@ldap_cfg, @pam_cfg, @nss_cfg, $goto_admin, $goto_secret);
30 my %cfg_defaults =
31 (
32 "server" =>
33 {"server_activ" => [\$server_activ, "on"],
34 "server_ip" => [\$server_ip, "0.0.0.0"],
35 "server_mac_address" => [\$server_mac_address, ""],
36 "server_port" => [\$server_port, "20081"],
37 "server_passwd" => [\$server_passwd, ""],
38 "max_clients" => [\$max_clients, 100],
39 "ldap_uri" => [\$ldap_uri, ""],
40 "ldap_base" => [\$ldap_base, ""],
41 "ldap_admin_dn" => [\$ldap_admin_dn, ""],
42 "ldap_admin_password" => [\$ldap_admin_password, ""],
43 },
44 "bus" =>
45 {"bus_activ" => [\$bus_activ, "on"],
46 "bus_passwd" => [\$bus_passwd, ""],
47 "bus_ip" => [\$bus_ip, ""],
48 "bus_port" => [\$bus_port, "20080"],
49 },
50 );
52 ### START #####################################################################
54 # read configfile and import variables
55 &read_configfile();
57 # detect interfaces and mac address
58 $network_interface= &get_interface_for_ip($server_ip);
59 $server_mac_address= &get_mac($network_interface);
61 # complete addresses
62 my $server_address = "$server_ip:$server_port";
63 my $bus_address = "$bus_ip:$bus_port";
65 # create general settings for this module
66 my $xml = new XML::Simple();
68 # register at bus
69 if ($main::no_bus > 0) {
70 $bus_activ = "off"
71 }
72 if($bus_activ eq "on") {
73 ®ister_at_bus();
74 }
76 ### functions #################################################################
79 sub get_module_info {
80 my @info = ($server_address,
81 $server_passwd,
82 $server,
83 $server_activ,
84 "socket",
85 );
86 return \@info;
87 }
90 #=== FUNCTION ================================================================
91 # NAME: read_configfile
92 # PARAMETERS: cfg_file - string -
93 # RETURNS: nothing
94 # DESCRIPTION: read cfg_file and set variables
95 #===============================================================================
96 sub read_configfile {
97 my $cfg;
98 if( defined( $main::cfg_file) && ( length($main::cfg_file) > 0 )) {
99 if( -r $main::cfg_file ) {
100 $cfg = Config::IniFiles->new( -file => $main::cfg_file );
101 } else {
102 print STDERR "Couldn't read config file!";
103 }
104 } else {
105 $cfg = Config::IniFiles->new() ;
106 }
107 foreach my $section (keys %cfg_defaults) {
108 foreach my $param (keys %{$cfg_defaults{ $section }}) {
109 my $pinfo = $cfg_defaults{ $section }{ $param };
110 ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
111 }
112 }
114 # Read non predefined sections
115 my $param;
116 if ($cfg->SectionExists('ldap')){
117 foreach $param ($cfg->Parameters('ldap')){
118 push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
119 }
120 }
121 if ($cfg->SectionExists('pam_ldap')){
122 foreach $param ($cfg->Parameters('pam_ldap')){
123 push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
124 }
125 }
126 if ($cfg->SectionExists('nss_ldap')){
127 foreach $param ($cfg->Parameters('nss_ldap')){
128 push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
129 }
130 }
131 if ($cfg->SectionExists('goto')){
132 $goto_admin= $cfg->val('goto', 'terminal_admin');
133 $goto_secret= $cfg->val('goto', 'terminal_secret');
134 } else {
135 $goto_admin= undef;
136 $goto_secret= undef;
137 }
139 }
141 #=== FUNCTION ================================================================
142 # NAME: get_interface_for_ip
143 # PARAMETERS: ip address (i.e. 192.168.0.1)
144 # RETURNS: array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
145 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
146 #===============================================================================
147 sub get_interface_for_ip {
148 my $result;
149 my $ip= shift;
150 if ($ip && length($ip) > 0) {
151 my @ifs= &get_interfaces();
152 if($ip eq "0.0.0.0") {
153 $result = "all";
154 } else {
155 foreach (@ifs) {
156 my $if=$_;
157 if(get_ip($if) eq $ip) {
158 $result = $if;
159 }
160 }
161 }
162 }
163 return $result;
164 }
166 #=== FUNCTION ================================================================
167 # NAME: get_interfaces
168 # PARAMETERS: none
169 # RETURNS: (list of interfaces)
170 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
171 #===============================================================================
172 sub get_interfaces {
173 my @result;
174 my $PROC_NET_DEV= ('/proc/net/dev');
176 open(PROC_NET_DEV, "<$PROC_NET_DEV")
177 or die "Could not open $PROC_NET_DEV";
179 my @ifs = <PROC_NET_DEV>;
181 close(PROC_NET_DEV);
183 # Eat first two line
184 shift @ifs;
185 shift @ifs;
187 chomp @ifs;
188 foreach my $line(@ifs) {
189 my $if= (split /:/, $line)[0];
190 $if =~ s/^\s+//;
191 push @result, $if;
192 }
194 return @result;
195 }
197 #=== FUNCTION ================================================================
198 # NAME: get_mac
199 # PARAMETERS: interface name (i.e. eth0)
200 # RETURNS: (mac address)
201 # DESCRIPTION: Uses ioctl to get mac address directly from system.
202 #===============================================================================
203 sub get_mac {
204 my $ifreq= shift;
205 my $result;
206 if ($ifreq && length($ifreq) > 0) {
207 if($ifreq eq "all") {
208 $result = "00:00:00:00:00:00";
209 } else {
210 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
212 # A configured MAC Address should always override a guessed value
213 if ($server_mac_address and length($server_mac_address) > 0) {
214 $result= $server_mac_address;
215 }
217 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
218 or die "socket: $!";
220 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
221 my ($if, $mac)= unpack 'h36 H12', $ifreq;
223 if (length($mac) > 0) {
224 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
225 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
226 $result = $mac;
227 }
228 }
229 }
230 }
231 return $result;
232 }
234 #=== FUNCTION ================================================================
235 # NAME: get_ip
236 # PARAMETERS: interface name (i.e. eth0)
237 # RETURNS: (ip address)
238 # DESCRIPTION: Uses ioctl to get ip address directly from system.
239 #===============================================================================
240 sub get_ip {
241 my $ifreq= shift;
242 my $result= "";
243 my $SIOCGIFADDR= 0x8915; # man 2 ioctl_list
244 my $proto= getprotobyname('ip');
246 socket SOCKET, PF_INET, SOCK_DGRAM, $proto
247 or die "socket: $!";
249 if(ioctl SOCKET, $SIOCGIFADDR, $ifreq) {
250 my ($if, $sin) = unpack 'a16 a16', $ifreq;
251 my ($port, $addr) = sockaddr_in $sin;
252 my $ip = inet_ntoa $addr;
254 if ($ip && length($ip) > 0) {
255 $result = $ip;
256 }
257 }
259 return $result;
260 }
263 #=== FUNCTION ================================================================
264 # NAME: register_at_bus
265 # PARAMETERS: nothing
266 # RETURNS: nothing
267 # DESCRIPTION: creates an entry in known_daemons and send a 'here_i_am' msg to bus
268 #===============================================================================
269 sub register_at_bus {
271 # add bus to known_server_db
272 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
273 primkey=>'hostname',
274 hostname=>$bus_address,
275 status=>'bus',
276 hostkey=>$bus_passwd,
277 timestamp=>&get_time,
278 } );
279 my $msg_hash = &create_xml_hash("here_i_am", $server_address, $bus_address);
280 my $answer = "";
281 $answer = &send_msg_hash2address($msg_hash, $bus_address, $bus_passwd);
282 if ($answer == 0) {
283 &main::daemon_log("register at bus: $bus_address", 1);
284 } else {
285 &main::daemon_log("unable to send 'register'-msg to bus '$bus_address': $answer", 1);
286 }
287 return;
288 }
290 #=== FUNCTION ================================================================
291 # NAME: process_incoming_msg
292 # PARAMETERS: crypted_msg - string - incoming crypted message
293 # RETURNS: nothing
294 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
295 #===============================================================================
296 sub process_incoming_msg {
297 my ($crypted_msg) = @_ ;
298 if(not defined $crypted_msg) {
299 &main::daemon_log("function 'process_incoming_msg': got no msg", 7);
300 }
302 $crypted_msg =~ /^([\s\S]*?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)$/;
303 $crypted_msg = $1;
304 my $host="0.0.0.0";
305 if(defined $2 && defined $3 && defined $4 && defined $5) {
306 $host = sprintf("%s.%s.%s.%s", $2, $3, $4, $5);
307 }
309 my $msg;
310 my $msg_hash;
311 my $host_name;
312 my $host_key;
314 # check wether incoming msg is a new msg
315 $host_name = $server_address;
316 $host_key = $server_passwd;
317 &main::daemon_log("ServerPackage: host_name: $host_name", 7);
318 &main::daemon_log("ServerPackage: host_key: $host_key", 7);
319 eval{
320 my $key_cipher = &create_ciphering($host_key);
321 $msg = &decrypt_msg($crypted_msg, $key_cipher);
322 $msg_hash = &transform_msg2hash($msg);
323 };
324 if($@) {
325 &main::daemon_log("ServerPackage: deciphering raise error", 7);
326 &main::daemon_log("$@", 8);
327 $msg = undef;
328 $msg_hash = undef;
329 $host_name = undef;
330 $host_key = undef;
331 }
333 # check wether incoming msg is from a known_server
334 if( not defined $msg ) {
335 my $sql_statement= "SELECT * FROM known_server";
336 my $query_res = $main::known_server_db->select_dbentry( $sql_statement );
338 while( my ($hit_num, $hit) = each %{ $query_res } ) {
339 $host_name = $hit->{hostname};
341 if( not $host_name =~ "^$host") {
342 next;
343 }
344 $host_key = $hit->{hostkey};
345 &main::daemon_log("ServerPackage: host_name: $host_name", 7);
346 &main::daemon_log("ServerPackage: host_key: $host_key", 7);
347 eval{
348 my $key_cipher = &create_ciphering($host_key);
349 $msg = &decrypt_msg($crypted_msg, $key_cipher);
350 $msg_hash = &transform_msg2hash($msg);
351 };
352 if($@) {
353 &main::daemon_log("ServerPackage: deciphering raise error", 7);
354 &main::daemon_log("$@", 8);
355 $msg = undef;
356 $msg_hash = undef;
357 $host_name = undef;
358 $host_key = undef;
359 } else {
360 last;
361 }
362 }
363 }
365 # check wether incoming msg is from a known_client
366 if( not defined $msg ) {
367 #my $query_res = $main::known_clients_db->select_dbentry( {table=>'known_clients'} );
368 my $sql_statement= "SELECT * FROM known_clients";
369 my $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
370 while( my ($hit_num, $hit) = each %{ $query_res } ) {
371 $host_name = $hit->{hostname};
372 if( not $host_name =~ "^$host") {
373 next;
374 }
375 $host_key = $hit->{hostkey};
376 &main::daemon_log("ServerPackage: host_name: $host_name", 7);
377 &main::daemon_log("ServerPackage: host_key: $host_key", 7);
378 eval{
379 my $key_cipher = &create_ciphering($host_key);
380 $msg = &decrypt_msg($crypted_msg, $key_cipher);
381 $msg_hash = &transform_msg2hash($msg);
382 };
383 if($@) {
384 &main::daemon_log("ServerPackage: deciphering raise error", 7);
385 &main::daemon_log("$@", 8);
386 $msg = undef;
387 $msg_hash = undef;
388 $host_name = undef;
389 $host_key = undef;
390 } else {
391 last;
392 }
393 }
394 }
396 if( not defined $msg ) {
397 &main::daemon_log("WARNING: ServerPackage do not understand the message:", 5);
398 &main::daemon_log("$@", 8);
399 return;
400 }
402 # process incoming msg
403 my $header = @{$msg_hash->{header}}[0];
404 my $source = @{$msg_hash->{source}}[0];
406 &main::daemon_log("receive '$header' at ServerPackages from $host", 1);
407 &main::daemon_log("ServerPackages: msg to process: \n$msg", 5);
409 my @targets = @{$msg_hash->{target}};
410 my $len_targets = @targets;
411 if ($len_targets == 0){
412 &main::daemon_log("ERROR: ServerPackages: no target specified for msg $header", 1);
414 } elsif ($len_targets == 1){
415 # we have only one target symbol
416 my $target = $targets[0];
417 &main::daemon_log("SeverPackages: msg is for: $target", 7);
419 # msg is for server
420 if ($header eq 'new_passwd'){ &new_passwd($msg_hash)}
421 elsif ($header eq 'here_i_am') { &here_i_am($msg_hash)}
422 elsif ($header eq 'who_has') { &who_has($msg_hash) }
423 elsif ($header eq 'who_has_i_do') { &who_has_i_do($msg_hash)}
424 elsif ($header eq 'update_status') { &update_status($msg_hash) }
425 elsif ($header eq 'got_ping') { &got_ping($msg_hash)}
426 elsif ($header eq 'get_load') { &execute_actions($msg_hash)}
427 else {
428 if ($target eq "*") {
429 # msg is for all clients
430 my $sql_statement = "SELECT * FROM known_clients";
431 my $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
432 while( my ($hit_num, $hit) = each %{ $query_res } ) {
433 $host_name = $hit->{hostname};
434 $host_key = $hit->{hostkey};
435 $msg_hash->{target} = [$host_name];
436 &send_msg_hash2address($msg_hash, $host_name, $host_key);
437 }
439 } else {
440 # msg is for one host
441 my $host_key;
444 if( not defined $host_key ) {
445 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$target'";
446 my $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
447 if( 1 == keys %{$query_res} ) {
448 $host_key = $query_res->{1}->{host_key};
449 }
450 }
452 if( not defined $host_key ) {
453 my $sql_statement = "SELECT * FROM known_server WHERE hostname='$target'";
454 my $query_res = $main::known_server_db->select_dbentry( $sql_statement );
455 if( 1 == keys %{$query_res} ) {
456 $host_key = $query_res->{1}->{host_key};
457 }
458 }
460 if( not defined $host_key ) {
461 &main::daemon_log("ERROR: ServerPackages: target '".$target.
462 "' is not known neither in known_clients nor in known_server",1);
463 } else {
464 &send_msg_hash2address($msg_hash, $target, $host_key);
465 }
466 }
467 }
469 } elsif ($len_targets > 1 ) {
470 # we have more than one target
471 # TODO to be implemented
472 }
474 return ;
475 }
478 #=== FUNCTION ================================================================
479 # NAME: got_ping
480 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
481 # RETURNS: nothing
482 # DESCRIPTION: process this incoming message
483 #===============================================================================
484 sub got_ping {
485 my ($msg_hash) = @_;
487 my $source = @{$msg_hash->{source}}[0];
488 my $target = @{$msg_hash->{target}}[0];
489 my $header = @{$msg_hash->{header}}[0];
491 if(exists $main::known_daemons->{$source}) {
492 &main::add_content2known_daemons(hostname=>$source, status=>$header);
493 } else {
494 &main::add_content2known_clients(hostname=>$source, status=>$header);
495 }
497 return;
498 }
501 #=== FUNCTION ================================================================
502 # NAME: new_passwd
503 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
504 # RETURNS: nothing
505 # DESCRIPTION: process this incoming message
506 #===============================================================================
507 sub new_passwd {
508 my ($msg_hash) = @_;
510 my $header = @{$msg_hash->{header}}[0];
511 my $source_name = @{$msg_hash->{source}}[0];
512 my $source_key = @{$msg_hash->{new_passwd}}[0];
513 my $query_res;
515 # check known_clients_db
516 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
517 $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
518 if( 1 == keys %{$query_res} ) {
519 my $act_time = &get_time;
520 my $sql_statement= "UPDATE known_clients ".
521 "SET hostkey='$source_key', timestamp='$act_time' ".
522 "WHERE hostname='$source_name'";
523 my $res = $main::known_clients_db->update_dbentry( $sql_statement );
525 my $hash = &create_xml_hash("confirm_new_passwd", $server_address, $source_name);
526 &send_msg_hash2address($hash, $source_name, $source_key);
527 return;
528 }
530 # check known_server_db
531 $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
532 $query_res = $main::known_server_db->select_dbentry( $sql_statement );
533 if( 1 == keys %{$query_res} ) {
534 my $act_time = &get_time;
535 my $sql_statement= "UPDATE known_server ".
536 "SET hostkey='$source_key', timestamp='$act_time' ".
537 "WHERE hostname='$source_name'";
538 my $res = $main::known_server_db->update_dbentry( $sql_statement );
540 my $hash = &create_xml_hash("confirm_new_passwd", $server_address, $source_name);
541 &send_msg_hash2address($hash, $source_name, $source_key);
542 return;
543 }
545 &main::daemon_log("ERROR: $source_name not known for '$header'-msg", 1);
546 return;
547 }
550 #=== FUNCTION ================================================================
551 # NAME: here_i_am
552 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
553 # RETURNS: nothing
554 # DESCRIPTION: process this incoming message
555 #===============================================================================
556 sub here_i_am {
557 my ($msg_hash) = @_;
559 my $source = @{$msg_hash->{source}}[0];
560 my $mac_address = @{$msg_hash->{mac_address}}[0];
561 my $out_hash;
563 # number of known clients
564 my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
566 # check wether client address or mac address is already known
567 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
568 my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
570 if ( 1 == keys %{$db_res} ) {
571 &main::daemon_log("WARNING: $source is already known as a client", 1);
572 &main::daemon_log("WARNING: values for $source are being overwritten", 1);
573 $nu_clients --;
574 }
576 # number of actual activ clients
577 my $act_nu_clients = $nu_clients;
579 &main::daemon_log("number of actual activ clients: $act_nu_clients", 5);
580 &main::daemon_log("number of maximal allowed clients: $max_clients", 5);
582 if($max_clients <= $act_nu_clients) {
583 my $out_hash = &create_xml_hash("denied", $server_address, $source);
584 &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
585 my $passwd = @{$msg_hash->{new_passwd}}[0];
586 &send_msg_hash2address($out_hash, $source, $passwd);
587 return;
588 }
590 # new client accepted
591 my $new_passwd = @{$msg_hash->{new_passwd}}[0];
593 # create entry in known_clients
594 my $events = @{$msg_hash->{events}}[0];
597 # add entry to known_clients_db
598 my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
599 primkey=>'hostname',
600 hostname=>$source,
601 events=>$events,
602 macaddress=>$mac_address,
603 status=>'registered',
604 hostkey=>$new_passwd,
605 timestamp=>&get_time,
606 } );
608 if ($res != 0) {
609 &main::daemon_log("ERROR: cannot add entry to known_clients: $res");
610 return;
611 }
613 # return acknowledgement to client
614 $out_hash = &create_xml_hash("registered", $server_address, $source);
615 &send_msg_hash2address($out_hash, $source, $new_passwd);
617 # notify registered client to bus
618 if( $bus_activ eq "on") {
619 # fetch actual bus key
620 my $sql_statement= "SELECT * FROM known_server WHERE status='bus'";
621 my $query_res = $main::known_server_db->select_dbentry( $sql_statement );
622 my $hostkey = $query_res->{1}->{'hostkey'};
624 # send update msg to bus
625 $out_hash = &create_xml_hash("new_client", $server_address, $bus_address, $source);
626 &send_msg_hash2address($out_hash, $bus_address, $hostkey);
628 &main::daemon_log("send bus msg that client '$source' has registerd at server '$server_address'", 3);
629 }
631 # give the new client his ldap config
632 &new_ldap_config($source);
634 return;
635 }
638 #=== FUNCTION ================================================================
639 # NAME: who_has
640 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
641 # RETURNS: nothing
642 # DESCRIPTION: process this incoming message
643 #===============================================================================
644 sub who_has {
645 my ($msg_hash) = @_ ;
647 # what is your search pattern
648 my $search_pattern = @{$msg_hash->{who_has}}[0];
649 my $search_element = @{$msg_hash->{$search_pattern}}[0];
650 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
652 # scanning known_clients for search_pattern
653 my @host_addresses = keys %$main::known_clients;
654 my $known_clients_entries = length @host_addresses;
655 my $host_address;
656 foreach my $host (@host_addresses) {
657 my $client_element = $main::known_clients->{$host}->{$search_pattern};
658 if ($search_element eq $client_element) {
659 $host_address = $host;
660 last;
661 }
662 }
664 # search was successful
665 if (defined $host_address) {
666 my $source = @{$msg_hash->{source}}[0];
667 my $out_msg = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
668 &add_content2xml_hash($out_msg, "mac_address", $search_element);
669 &send_msg_hash2address($out_msg, $bus_address);
670 }
671 return;
672 }
675 sub who_has_i_do {
676 my ($msg_hash) = @_ ;
677 my $header = @{$msg_hash->{header}}[0];
678 my $source = @{$msg_hash->{source}}[0];
679 my $search_param = @{$msg_hash->{$header}}[0];
680 my $search_value = @{$msg_hash->{$search_param}}[0];
681 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
682 }
685 #=== FUNCTION ================================================================
686 # NAME: new_ldap_config
687 # PARAMETERS: address - string - ip address and port of a host
688 # RETURNS: nothing
689 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
690 #===============================================================================
691 sub new_ldap_config {
692 my ($address) = @_ ;
694 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
695 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
697 # check hit
698 my $hit_counter = keys %{$res};
699 if( not $hit_counter == 1 ) {
700 &main::daemon_log("ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
701 }
703 my $macaddress = $res->{1}->{macaddress};
704 my $hostkey = $res->{1}->{hostkey};
706 if (not defined $macaddress) {
707 &main::daemon_log("ERROR: no mac address found for client $address", 1);
708 return;
709 }
711 # Build LDAP connection
712 my $ldap = Net::LDAP->new($ldap_uri);
713 if( not defined $ldap ) {
714 &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
715 return;
716 }
719 # Bind to a directory with dn and password
720 my $mesg= $ldap->bind($ldap_admin_dn, $ldap_admin_password);
722 # Perform search
723 $mesg = $ldap->search( base => $ldap_base,
724 scope => 'sub',
725 attrs => ['dn', 'gotoLdapServer'],
726 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
727 $mesg->code && die $mesg->error;
729 # Sanity check
730 if ($mesg->count != 1) {
731 &main::daemon_log("WARNING: client mac address $macaddress not found/not unique in ldap search", 1);
732 &main::daemon_log("\tbase: $ldap_base", 1);
733 &main::daemon_log("\tscope: sub", 1);
734 &main::daemon_log("\tattrs: dn, gotoLdapServer", 1);
735 &main::daemon_log("\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
736 return;
737 }
739 my $entry= $mesg->entry(0);
740 my $dn= $entry->dn;
741 my @servers= $entry->get_value("gotoLdapServer");
742 my @ldap_uris;
743 my $server;
744 my $base;
746 # Do we need to look at an object class?
747 if ($#servers < 1){
748 $mesg = $ldap->search( base => $ldap_base,
749 scope => 'sub',
750 attrs => ['dn', 'gotoLdapServer'],
751 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
752 $mesg->code && die $mesg->error;
754 # Sanity check
755 if ($mesg->count != 1) {
756 &main::daemon_log("WARNING: no LDAP information found for client mac $macaddress", 1);
757 return;
758 }
760 $entry= $mesg->entry(0);
761 $dn= $entry->dn;
762 @servers= $entry->get_value("gotoLdapServer");
763 }
765 @servers= sort (@servers);
767 foreach $server (@servers){
768 $base= $server;
769 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
770 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
771 push (@ldap_uris, $server);
772 }
774 # Unbind
775 $mesg = $ldap->unbind;
777 # Assemble data package
778 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
779 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
781 # Need to append GOto settings?
782 if (defined $goto_admin and defined $goto_secret){
783 $data{'goto_admin'}= $goto_admin;
784 $data{'goto_secret'}= $goto_secret;
785 }
787 # Send information
788 send_msg("new_ldap_config", $server_address, $address, \%data, $hostkey);
790 return;
791 }
794 #=== FUNCTION ================================================================
795 # NAME: execute_actions
796 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
797 # RETURNS: nothing
798 # DESCRIPTION: invokes the script specified in msg_hash which is located under
799 # /etc/gosad/actions
800 #===============================================================================
801 sub execute_actions {
802 my ($msg_hash) = @_ ;
803 my $configdir= '/etc/gosad/actions/';
804 my $result;
806 my $header = @{$msg_hash->{header}}[0];
807 my $source = @{$msg_hash->{source}}[0];
808 my $target = @{$msg_hash->{target}}[0];
810 if((not defined $source)
811 && (not defined $target)
812 && (not defined $header)) {
813 &main::daemon_log("ERROR: Entries missing in XML msg for gosad actions under /etc/gosad/actions");
814 } else {
815 my $parameters="";
816 my @params = @{$msg_hash->{$header}};
817 my $params = join(", ", @params);
818 &main::daemon_log("execute_actions: got parameters: $params", 5);
820 if (@params) {
821 foreach my $param (@params) {
822 my $param_value = (&get_content_from_xml_hash($msg_hash, $param))[0];
823 &main::daemon_log("execute_actions: parameter -> value: $param -> $param_value", 7);
824 $parameters.= " ".$param_value;
825 }
826 }
828 my $cmd= $configdir.$header."$parameters";
829 &main::daemon_log("execute_actions: executing cmd: $cmd", 7);
830 $result= "";
831 open(PIPE, "$cmd 2>&1 |");
832 while(<PIPE>) {
833 $result.=$_;
834 }
835 close(PIPE);
836 }
838 # process the event result
841 return;
842 }
845 1;