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;
19 use Net::DNS;
21 BEGIN{}
22 END {}
24 my ($server_ip, $server_mac_address, $server_port, $SIPackages_key, $max_clients, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password, $server_interface);
25 my ($bus_activ, $bus_key, $bus_ip, $bus_port);
26 my $server;
27 my $network_interface;
28 my $no_bus;
29 my (@ldap_cfg, @pam_cfg, @nss_cfg, $goto_admin, $goto_secret, $gosa_unit_tag);
32 my %cfg_defaults = (
33 "bus" => {
34 "activ" => [\$bus_activ, "on"],
35 "key" => [\$bus_key, ""],
36 "ip" => [\$bus_ip, ""],
37 "port" => [\$bus_port, "20080"],
38 },
39 "server" => {
40 "ip" => [\$server_ip, "0.0.0.0"],
41 "mac-address" => [\$server_mac_address, "00:00:00:00:00"],
42 "port" => [\$server_port, "20081"],
43 "ldap-uri" => [\$ldap_uri, ""],
44 "ldap-base" => [\$ldap_base, ""],
45 "ldap-admin-dn" => [\$ldap_admin_dn, ""],
46 "ldap-admin-password" => [\$ldap_admin_password, ""],
47 "max-clients" => [\$max_clients, 100],
48 "gosa-unit-tag" => [\$gosa_unit_tag, ""],
49 },
50 "SIPackages" => {
51 "key" => [\$SIPackages_key, ""],
52 },
53 );
55 ### START #####################################################################
57 # read configfile and import variables
58 &read_configfile();
60 $network_interface= &get_interface_for_ip($server_ip);
61 $server_mac_address= &get_mac($network_interface);
63 # Unit tag can be defined in config
64 if(not defined($gosa_unit_tag) || length($gosa_unit_tag)==0) {
65 # Read gosaUnitTag from LDAP
66 my $tmp_ldap= Net::LDAP->new($ldap_uri);
67 if(defined($tmp_ldap)) {
68 my $mesg= $tmp_ldap->bind($ldap_admin_dn, password => $ldap_admin_password);
69 # Perform search for Unit Tag
70 $mesg = $tmp_ldap->search(
71 base => $ldap_base,
72 scope => 'sub',
73 attrs => ['gosaUnitTag'],
74 filter => "(macaddress=$server_mac_address)"
75 );
77 if ($mesg->count == 1) {
78 my $entry= $mesg->entry(0);
79 my $unit_tag= $entry->get_value("gosaUnitTag");
80 if(defined($unit_tag) && length($unit_tag) > 0) {
81 &main::daemon_log("Detected gosaUnitTag $unit_tag for creating entries", 4);
82 $gosa_unit_tag= $unit_tag;
83 }
84 $mesg = $tmp_ldap->unbind;
85 }
86 }
87 }
89 # complete addresses
90 #if( $server_ip eq "0.0.0.0" ) {
91 # $server_ip = "127.0.0.1";
92 #}
93 my $server_address = "$server_ip:$server_port";
94 $main::server_address = $server_address;
95 my $bus_address = "$bus_ip:$bus_port";
96 $main::bus_address = $bus_address;
98 # create general settings for this module
99 my $xml = new XML::Simple();
101 # register at bus
102 if ($main::no_bus > 0) {
103 $bus_activ = "off"
104 }
105 if($bus_activ eq "on") {
106 ®ister_at_bus();
107 }
109 # add myself to known_server_db
110 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
111 primkey=>'hostname',
112 hostname=>$server_address,
113 status=>'myself',
114 hostkey=>$SIPackages_key,
115 timestamp=>&get_time,
116 } );
120 ### functions #################################################################
123 sub get_module_info {
124 my @info = ($server_address,
125 $SIPackages_key,
126 );
127 return \@info;
128 }
131 sub do_wake {
132 my $host = shift;
133 my $ipaddr = shift || '255.255.255.255';
134 my $port = getservbyname('discard', 'udp');
136 my ($raddr, $them, $proto);
137 my ($hwaddr, $hwaddr_re, $pkt);
139 # get the hardware address (ethernet address)
141 $hwaddr_re = join(':', ('[0-9A-Fa-f]{1,2}') x 6);
142 if ($host =~ m/^$hwaddr_re$/) {
143 $hwaddr = $host;
144 } else {
145 # $host is not a hardware address, try to resolve it
146 my $ip_re = join('\.', ('([0-9]|[1-9][0-9]|1[0-9]{2}|2([0-4][0-9]|5[0-5]))') x 4);
147 my $ip_addr;
148 if ($host =~ m/^$ip_re$/) {
149 $ip_addr = $host;
150 } else {
151 my $h;
152 unless ($h = gethost($host)) {
153 return undef;
154 }
155 $ip_addr = inet_ntoa($h->addr);
156 }
157 }
159 # Generate magic sequence
160 foreach (split /:/, $hwaddr) {
161 $pkt .= chr(hex($_));
162 }
163 $pkt = chr(0xFF) x 6 . $pkt x 16;
165 # Allocate socket and send packet
167 $raddr = gethostbyname($ipaddr)->addr;
168 $them = pack_sockaddr_in($port, $raddr);
169 $proto = getprotobyname('udp');
171 socket(S, AF_INET, SOCK_DGRAM, $proto) or die "socket : $!";
172 setsockopt(S, SOL_SOCKET, SO_BROADCAST, 1) or die "setsockopt : $!";
174 send(S, $pkt, 0, $them) or die "send : $!";
175 close S;
176 }
179 #=== FUNCTION ================================================================
180 # NAME: read_configfile
181 # PARAMETERS: cfg_file - string -
182 # RETURNS: nothing
183 # DESCRIPTION: read cfg_file and set variables
184 #===============================================================================
185 sub read_configfile {
186 my $cfg;
187 if( defined( $main::cfg_file) && ( length($main::cfg_file) > 0 )) {
188 if( -r $main::cfg_file ) {
189 $cfg = Config::IniFiles->new( -file => $main::cfg_file );
190 } else {
191 print STDERR "Couldn't read config file!";
192 }
193 } else {
194 $cfg = Config::IniFiles->new() ;
195 }
196 foreach my $section (keys %cfg_defaults) {
197 foreach my $param (keys %{$cfg_defaults{ $section }}) {
198 my $pinfo = $cfg_defaults{ $section }{ $param };
199 ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
200 }
201 }
203 # Read non predefined sections
204 my $param;
205 if ($cfg->SectionExists('ldap')){
206 foreach $param ($cfg->Parameters('ldap')){
207 push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
208 }
209 }
210 if ($cfg->SectionExists('pam_ldap')){
211 foreach $param ($cfg->Parameters('pam_ldap')){
212 push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
213 }
214 }
215 if ($cfg->SectionExists('nss_ldap')){
216 foreach $param ($cfg->Parameters('nss_ldap')){
217 push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
218 }
219 }
220 if ($cfg->SectionExists('goto')){
221 $goto_admin= $cfg->val('goto', 'terminal_admin');
222 $goto_secret= $cfg->val('goto', 'terminal_secret');
223 } else {
224 $goto_admin= undef;
225 $goto_secret= undef;
226 }
228 }
230 #=== FUNCTION ================================================================
231 # NAME: get_interface_for_ip
232 # PARAMETERS: ip address (i.e. 192.168.0.1)
233 # RETURNS: array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
234 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
235 #===============================================================================
236 sub get_interface_for_ip {
237 my $result;
238 my $ip= shift;
239 if ($ip && length($ip) > 0) {
240 my @ifs= &get_interfaces();
241 if($ip eq "0.0.0.0") {
242 $result = "all";
243 } else {
244 foreach (@ifs) {
245 my $if=$_;
246 if(get_ip($if) eq $ip) {
247 $result = $if;
248 }
249 }
250 }
251 }
252 return $result;
253 }
255 #=== FUNCTION ================================================================
256 # NAME: get_interfaces
257 # PARAMETERS: none
258 # RETURNS: (list of interfaces)
259 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
260 #===============================================================================
261 sub get_interfaces {
262 my @result;
263 my $PROC_NET_DEV= ('/proc/net/dev');
265 open(PROC_NET_DEV, "<$PROC_NET_DEV")
266 or die "Could not open $PROC_NET_DEV";
268 my @ifs = <PROC_NET_DEV>;
270 close(PROC_NET_DEV);
272 # Eat first two line
273 shift @ifs;
274 shift @ifs;
276 chomp @ifs;
277 foreach my $line(@ifs) {
278 my $if= (split /:/, $line)[0];
279 $if =~ s/^\s+//;
280 push @result, $if;
281 }
283 return @result;
284 }
286 #=== FUNCTION ================================================================
287 # NAME: get_mac
288 # PARAMETERS: interface name (i.e. eth0)
289 # RETURNS: (mac address)
290 # DESCRIPTION: Uses ioctl to get mac address directly from system.
291 #===============================================================================
292 sub get_mac {
293 my $ifreq= shift;
294 my $result;
295 if ($ifreq && length($ifreq) > 0) {
296 if($ifreq eq "all") {
297 $result = "00:00:00:00:00:00";
298 } else {
299 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
301 # A configured MAC Address should always override a guessed value
302 if ($server_mac_address and length($server_mac_address) > 0) {
303 $result= $server_mac_address;
304 }
306 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
307 or die "socket: $!";
309 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
310 my ($if, $mac)= unpack 'h36 H12', $ifreq;
312 if (length($mac) > 0) {
313 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
314 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
315 $result = $mac;
316 }
317 }
318 }
319 }
320 return $result;
321 }
324 #=== FUNCTION ================================================================
325 # NAME: register_at_bus
326 # PARAMETERS: nothing
327 # RETURNS: nothing
328 # DESCRIPTION: creates an entry in known_daemons and send a 'here_i_am' msg to bus
329 #===============================================================================
330 sub register_at_bus {
332 # add bus to known_server_db
333 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
334 primkey=>'hostname',
335 hostname=>$bus_address,
336 status=>'bus',
337 hostkey=>$bus_key,
338 timestamp=>&get_time,
339 } );
340 my $msg_hash = &create_xml_hash("here_i_am", $server_address, $bus_address);
341 my $msg = &create_xml_string($msg_hash);
343 &main::send_msg_to_target($msg, $bus_address, $bus_key, "here_i_am");
344 return $msg;
345 }
348 #=== FUNCTION ================================================================
349 # NAME: process_incoming_msg
350 # PARAMETERS: crypted_msg - string - incoming crypted message
351 # RETURNS: nothing
352 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
353 #===============================================================================
354 sub process_incoming_msg {
355 my ($msg, $msg_hash, $remote_ip) = @_ ;
356 my $error = 0;
357 my $host_name;
358 my $host_key;
359 my @out_msg_l;
361 # process incoming msg
362 my $header = @{$msg_hash->{header}}[0];
363 my @target_l = @{$msg_hash->{target}};
365 &main::daemon_log("SIPackages: msg to process: $header", 3);
366 &main::daemon_log("$msg", 8);
368 if( 0 == length @target_l){
369 &main::daemon_log("ERROR: no target specified for msg $header", 1);
370 $error++;
371 }
373 if( 1 == length @target_l) {
374 my $target = $target_l[0];
375 if(&server_matches($target)) {
376 if ($header eq 'new_key') {
377 @out_msg_l = &new_key($msg_hash)
378 } elsif ($header eq 'here_i_am') {
379 @out_msg_l = &here_i_am($msg_hash)
380 } elsif ($header eq 'who_has') {
381 @out_msg_l = &who_has($msg_hash)
382 } elsif ($header eq 'who_has_i_do') {
383 @out_msg_l = &who_has_i_do($msg_hash)
384 } elsif ($header eq 'got_ping') {
385 @out_msg_l = &got_ping($msg_hash)
386 } elsif ($header eq 'get_load') {
387 @out_msg_l = &execute_actions($msg_hash)
388 } elsif ($header eq 'detected_hardware') {
389 @out_msg_l = &process_detected_hardware($msg_hash)
390 } elsif ($header eq 'trigger_wake') {
391 foreach (@{$msg_hash->{macAddress}}){
392 &main::daemon_log("SIPackages: trigger wake for $_", 1);
393 do_wake($_);
394 }
396 } else {
397 &main::daemon_log("ERROR: $header is an unknown core function", 1);
398 $error++;
399 }
400 }
401 else {
402 &main::daemon_log("msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
403 push(@out_msg_l, $msg);
404 }
405 }
407 # if( $error == 0) {
408 # if( 0 == @out_msg_l ) {
409 # push(@out_msg_l, $msg);
410 # }
411 # }
413 return \@out_msg_l;
414 }
417 #=== FUNCTION ================================================================
418 # NAME: got_ping
419 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
420 # RETURNS: nothing
421 # DESCRIPTION: process this incoming message
422 #===============================================================================
423 sub got_ping {
424 my ($msg_hash) = @_;
426 my $source = @{$msg_hash->{source}}[0];
427 my $target = @{$msg_hash->{target}}[0];
428 my $header = @{$msg_hash->{header}}[0];
430 if(exists $main::known_daemons->{$source}) {
431 &main::add_content2known_daemons(hostname=>$source, status=>$header);
432 } else {
433 &main::add_content2known_clients(hostname=>$source, status=>$header);
434 }
436 return;
437 }
440 #=== FUNCTION ================================================================
441 # NAME: new_passwd
442 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
443 # RETURNS: nothing
444 # DESCRIPTION: process this incoming message
445 #===============================================================================
446 sub new_key {
447 my ($msg_hash) = @_;
448 my @out_msg_l;
450 my $header = @{$msg_hash->{header}}[0];
451 my $source_name = @{$msg_hash->{source}}[0];
452 my $source_key = @{$msg_hash->{new_key}}[0];
453 my $query_res;
455 # check known_clients_db
456 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
457 $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
458 if( 1 == keys %{$query_res} ) {
459 my $act_time = &get_time;
460 my $sql_statement= "UPDATE known_clients ".
461 "SET hostkey='$source_key', timestamp='$act_time' ".
462 "WHERE hostname='$source_name'";
463 my $res = $main::known_clients_db->update_dbentry( $sql_statement );
464 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
465 my $out_msg = &create_xml_string($hash);
466 push(@out_msg_l, $out_msg);
467 }
469 # only do if host still not found
470 if( 0 == @out_msg_l ) {
471 # check known_server_db
472 $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
473 $query_res = $main::known_server_db->select_dbentry( $sql_statement );
474 if( 1 == keys %{$query_res} ) {
475 my $act_time = &get_time;
476 my $sql_statement= "UPDATE known_server ".
477 "SET hostkey='$source_key', timestamp='$act_time' ".
478 "WHERE hostname='$source_name'";
479 my $res = $main::known_server_db->update_dbentry( $sql_statement );
481 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
482 my $out_msg = &create_xml_string($hash);
483 push(@out_msg_l, $out_msg);
484 }
485 }
487 return @out_msg_l;
488 }
491 #=== FUNCTION ================================================================
492 # NAME: here_i_am
493 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
494 # RETURNS: nothing
495 # DESCRIPTION: process this incoming message
496 #===============================================================================
497 sub here_i_am {
498 my ($msg_hash) = @_;
499 my @out_msg_l;
500 my $out_hash;
502 my $source = @{$msg_hash->{source}}[0];
503 my $mac_address = @{$msg_hash->{mac_address}}[0];
504 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
506 # number of known clients
507 my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
509 # check wether client address or mac address is already known
510 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
511 my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
513 if ( 1 == keys %{$db_res} ) {
514 &main::daemon_log("WARNING: $source is already known as a client", 1);
515 &main::daemon_log("WARNING: values for $source are being overwritten", 1);
516 $nu_clients --;
517 }
519 # number of actual activ clients
520 my $act_nu_clients = $nu_clients;
522 &main::daemon_log("number of actual activ clients: $act_nu_clients", 5);
523 &main::daemon_log("number of maximal allowed clients: $max_clients", 5);
525 if($max_clients <= $act_nu_clients) {
526 my $out_hash = &create_xml_hash("denied", $server_address, $source);
527 &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
528 my $passwd = @{$msg_hash->{new_passwd}}[0];
529 &send_msg_hash2address($out_hash, $source, $passwd);
530 return;
531 }
533 # new client accepted
534 my $new_passwd = @{$msg_hash->{new_passwd}}[0];
536 # create entry in known_clients
537 my $events = @{$msg_hash->{events}}[0];
540 # add entry to known_clients_db
541 my $act_timestamp = &get_time;
542 my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
543 primkey=>'hostname',
544 hostname=>$source,
545 events=>$events,
546 macaddress=>$mac_address,
547 status=>'registered',
548 hostkey=>$new_passwd,
549 timestamp=>$act_timestamp,
550 } );
552 if ($res != 0) {
553 &main::daemon_log("ERROR: cannot add entry to known_clients: $res");
554 return;
555 }
557 # return acknowledgement to client
558 $out_hash = &create_xml_hash("registered", $server_address, $source);
559 my $register_out = &create_xml_string($out_hash);
560 push(@out_msg_l, $register_out);
562 # notify registered client to bus
563 if( $bus_activ eq "on") {
564 # fetch actual bus key
565 my $sql_statement= "SELECT * FROM known_server WHERE status='bus'";
566 my $query_res = $main::known_server_db->select_dbentry( $sql_statement );
567 my $hostkey = $query_res->{1}->{'hostkey'};
569 # send update msg to bus
570 $out_hash = &create_xml_hash("new_client", $server_address, $bus_address, $source);
571 &add_content2xml_hash($out_hash, "macaddress", $mac_address);
572 &add_content2xml_hash($out_hash, "timestamp", $act_timestamp);
573 my $new_client_out = &create_xml_string($out_hash);
574 push(@out_msg_l, $new_client_out);
575 &main::daemon_log("send bus msg that client '$source' has registerd at server '$server_address'", 3);
576 }
578 # give the new client his ldap config
579 my $new_ldap_config_out = &new_ldap_config($source);
580 if( $new_ldap_config_out ) {
581 push(@out_msg_l, $new_ldap_config_out);
582 }
584 my $hardware_config_out = &hardware_config($source, $gotoHardwareChecksum);
585 if( $hardware_config_out ) {
586 push(@out_msg_l, $hardware_config_out);
587 }
589 return @out_msg_l;
590 }
593 #=== FUNCTION ================================================================
594 # NAME: who_has
595 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
596 # RETURNS: nothing
597 # DESCRIPTION: process this incoming message
598 #===============================================================================
599 sub who_has {
600 my ($msg_hash) = @_ ;
601 my @out_msg_l;
603 # what is your search pattern
604 my $search_pattern = @{$msg_hash->{who_has}}[0];
605 my $search_element = @{$msg_hash->{$search_pattern}}[0];
606 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
608 # scanning known_clients for search_pattern
609 my @host_addresses = keys %$main::known_clients;
610 my $known_clients_entries = length @host_addresses;
611 my $host_address;
612 foreach my $host (@host_addresses) {
613 my $client_element = $main::known_clients->{$host}->{$search_pattern};
614 if ($search_element eq $client_element) {
615 $host_address = $host;
616 last;
617 }
618 }
620 # search was successful
621 if (defined $host_address) {
622 my $source = @{$msg_hash->{source}}[0];
623 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
624 &add_content2xml_hash($out_hash, "mac_address", $search_element);
625 my $out_msg = &create_xml_string($out_hash);
626 push(@out_msg_l, $out_msg);
627 }
628 return @out_msg_l;
629 }
632 sub who_has_i_do {
633 my ($msg_hash) = @_ ;
634 my $header = @{$msg_hash->{header}}[0];
635 my $source = @{$msg_hash->{source}}[0];
636 my $search_param = @{$msg_hash->{$header}}[0];
637 my $search_value = @{$msg_hash->{$search_param}}[0];
638 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
639 }
641 #=== FUNCTION ================================================================
642 # NAME: new_ldap_config
643 # PARAMETERS: address - string - ip address and port of a host
644 # RETURNS: nothing
645 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
646 #===============================================================================
647 sub new_ldap_config {
648 my ($address) = @_ ;
650 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
651 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
653 # check hit
654 my $hit_counter = keys %{$res};
655 if( not $hit_counter == 1 ) {
656 &main::daemon_log("ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
657 }
659 my $macaddress = $res->{1}->{macaddress};
660 my $hostkey = $res->{1}->{hostkey};
662 if (not defined $macaddress) {
663 &main::daemon_log("ERROR: no mac address found for client $address", 1);
664 return;
665 }
667 # Build LDAP connection
668 my $ldap = Net::LDAP->new($ldap_uri);
669 if( not defined $ldap ) {
670 &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
671 return;
672 }
675 # Bind to a directory with dn and password
676 my $mesg= $ldap->bind($ldap_admin_dn, password => $ldap_admin_password);
678 # Perform search
679 $mesg = $ldap->search( base => $ldap_base,
680 scope => 'sub',
681 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag'],
682 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
683 #$mesg->code && die $mesg->error;
684 if($mesg->code) {
685 &main::daemon_log($mesg->error, 1);
686 return;
687 }
689 # Sanity check
690 if ($mesg->count != 1) {
691 &main::daemon_log("WARNING: client mac address $macaddress not found/not unique in ldap search", 1);
692 &main::daemon_log("\tbase: $ldap_base", 1);
693 &main::daemon_log("\tscope: sub", 1);
694 &main::daemon_log("\tattrs: dn, gotoLdapServer", 1);
695 &main::daemon_log("\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
696 return;
697 }
699 my $entry= $mesg->entry(0);
700 my $dn= $entry->dn;
701 my @servers= $entry->get_value("gotoLdapServer");
702 my $unit_tag= $entry->get_value("gosaUnitTag");
703 my @ldap_uris;
704 my $server;
705 my $base;
707 # Do we need to look at an object class?
708 if (length(@servers) < 1){
709 $mesg = $ldap->search( base => $ldap_base,
710 scope => 'sub',
711 attrs => ['dn', 'gotoLdapServer'],
712 filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
713 #$mesg->code && die $mesg->error;
714 if($mesg->code) {
715 &main::daemon_log($mesg->error, 1);
716 return;
717 }
719 # Sanity check
720 if ($mesg->count != 1) {
721 &main::daemon_log("WARNING: no LDAP information found for client mac $macaddress", 1);
722 return;
723 }
725 $entry= $mesg->entry(0);
726 $dn= $entry->dn;
727 @servers= $entry->get_value("gotoLdapServer");
728 }
730 @servers= sort (@servers);
732 foreach $server (@servers){
733 $base= $server;
734 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
735 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
736 push (@ldap_uris, $server);
737 }
739 # Assemble data package
740 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
741 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
743 # Need to append GOto settings?
744 if (defined $goto_admin and defined $goto_secret){
745 $data{'goto_admin'}= $goto_admin;
746 $data{'goto_secret'}= $goto_secret;
747 }
749 # Append unit tag if needed
750 if (defined $unit_tag){
752 # Find admin base and department name
753 $mesg = $ldap->search( base => $ldap_base,
754 scope => 'sub',
755 attrs => ['dn', 'ou', 'FAIclass'],
756 filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
757 #$mesg->code && die $mesg->error;
758 if($mesg->code) {
759 &main::daemon_log($mesg->error, 1);
760 return;
761 }
763 # Sanity check
764 if ($mesg->count != 1) {
765 &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
766 return;
767 }
769 $entry= $mesg->entry(0);
770 $data{'admin_base'}= $entry->dn;
771 $data{'department'}= $entry->get_value("ou");
773 # Append unit Tag
774 $data{'unit_tag'}= $unit_tag;
775 }
777 # Fill release if available
778 my $FAIclass= $entry->get_value("FAIclass");
779 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
780 $data{'release'}= $1;
781 }
784 # Unbind
785 $mesg = $ldap->unbind;
787 # Send information
788 return send_msg("new_ldap_config", $server_address, $address, \%data);
789 }
791 sub process_detected_hardware {
792 my $msg_hash = shift;
793 my $address = $msg_hash->{source}[0];
794 my $gotoHardwareChecksum= $msg_hash->{detected_hardware}[0]->{gotoHardwareChecksum};
796 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
797 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
799 # check hit
800 my $hit_counter = keys %{$res};
801 if( not $hit_counter == 1 ) {
802 &main::daemon_log("ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
803 return;
804 }
806 my $macaddress = $res->{1}->{macaddress};
807 my $hostkey = $res->{1}->{hostkey};
809 if (not defined $macaddress) {
810 &main::daemon_log("ERROR: no mac address found for client $address", 1);
811 return;
812 }
813 # Build LDAP connection
814 my $ldap = Net::LDAP->new($ldap_uri);
815 if( not defined $ldap ) {
816 &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
817 return;
818 }
820 # Bind to a directory with dn and password
821 my $mesg= $ldap->bind($ldap_admin_dn, password => $ldap_admin_password);
823 # Perform search
824 $mesg = $ldap->search(
825 base => $ldap_base,
826 scope => 'sub',
827 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
828 );
830 # We need to create a base entry first (if not done from ArpHandler)
831 if($mesg->count == 0) {
832 &main::daemon_log("Need to create a new LDAP Entry for client $address", 1);
833 my $resolver=Net::DNS::Resolver->new;
834 my $ipaddress= $1 if $address =~ /^([0-9\.]*?):.*$/;
835 my $dnsresult= $resolver->search($ipaddress);
836 my $dnsname= (defined($dnsresult))?$dnsresult->{answer}[0]->{ptrdname}:$ipaddress;
837 my $cn = (($dnsname =~ /^(\d){1,3}\.(\d){1,3}\.(\d){1,3}\.(\d){1,3}/) ? $dnsname : sprintf "%s", $dnsname =~ /([^\.]+)\.?/);
838 my $dn = "cn=$cn,ou=incoming,$ldap_base";
839 &main::daemon_log("Creating entry for $dn",6);
840 my $entry= Net::LDAP::Entry->new( $dn );
841 $entry->dn($dn);
842 $entry->add("objectClass" => "goHard");
843 $entry->add("cn" => $cn);
844 $entry->add("macAddress" => $macaddress);
845 $entry->add("gotomode" => "locked");
846 $entry->add("gotoSysStatus" => "new-system");
847 $entry->add("ipHostNumber" => $ipaddress);
848 if(defined($gosa_unit_tag) && length($gosa_unit_tag) > 0) {
849 $entry->add("objectClass" => "gosaAdministrativeUnit");
850 $entry->add("gosaUnitTag" => $gosa_unit_tag);
851 }
852 if(my $res=$entry->update($ldap)) {
853 # Fill $mesg again
854 $mesg = $ldap->search(
855 base => $ldap_base,
856 scope => 'sub',
857 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
858 );
859 } else {
860 &main::daemon_log("ERROR: There was a problem adding the entry", 1);
861 }
863 }
865 if($mesg->count == 1) {
866 my $entry= $mesg->entry(0);
867 $entry->changetype("modify");
868 foreach my $attribute (
869 "gotoSndModule", "ghNetNic", "gotoXResolution", "ghSoundAdapter", "ghCpuType", "gotoXkbModel",
870 "ghGfxAdapter", "gotoXMousePort", "ghMemSize", "gotoXMouseType", "ghUsbSupport", "gotoXHsync",
871 "gotoXDriver", "gotoXVsync", "gotoXMonitor", "gotoHardwareChecksum") {
872 if(defined($msg_hash->{detected_hardware}[0]->{$attribute})) {
873 if(defined($entry->get_value($attribute))) {
874 $entry->delete($attribute);
875 }
876 &main::daemon_log("Adding attribute $attribute with value ".$msg_hash->{detected_hardware}[0]->{$attribute},1);
877 $entry->add($attribute => $msg_hash->{detected_hardware}[0]->{$attribute});
878 }
879 }
880 foreach my $attribute (
881 "gotoModules", "ghScsiDev", "ghIdeDev") {
882 if(defined($msg_hash->{detected_hardware}[0]->{$attribute})) {
883 if(defined($entry->get_value($attribute))) {
884 $entry->delete($attribute);
885 }
886 foreach my $array_entry (@{$msg_hash->{detected_hardware}[0]->{$attribute}}) {
887 $entry->add($attribute => $array_entry);
888 }
889 }
891 }
893 if($entry->update($ldap)) {
894 &main::daemon_log("Added Hardware configuration to LDAP", 4);
895 }
897 }
898 return;
899 }
900 #=== FUNCTION ================================================================
901 # NAME: hardware_config
902 # PARAMETERS: address - string - ip address and port of a host
903 # RETURNS:
904 # DESCRIPTION:
905 #===============================================================================
906 sub hardware_config {
907 my ($address, $gotoHardwareChecksum) = @_ ;
909 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
910 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
912 # check hit
913 my $hit_counter = keys %{$res};
914 if( not $hit_counter == 1 ) {
915 &main::daemon_log("ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
916 }
918 my $macaddress = $res->{1}->{macaddress};
919 my $hostkey = $res->{1}->{hostkey};
921 if (not defined $macaddress) {
922 &main::daemon_log("ERROR: no mac address found for client $address", 1);
923 return;
924 }
926 # Build LDAP connection
927 my $ldap = Net::LDAP->new($ldap_uri);
928 if( not defined $ldap ) {
929 &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
930 return;
931 }
933 # Bind to a directory with dn and password
934 my $mesg= $ldap->bind($ldap_admin_dn, password => $ldap_admin_password);
936 # Perform search
937 $mesg = $ldap->search(
938 base => $ldap_base,
939 scope => 'sub',
940 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
941 );
943 if($mesg->count() == 0) {
944 &main::daemon_log("Host was not found in LDAP!", 1);
945 } else {
946 my $entry= $mesg->entry(0);
947 my $dn= $entry->dn;
948 if(defined($entry->get_value("gotoHardwareChecksum"))) {
949 if(! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
950 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
951 if($entry->update($ldap)) {
952 &main::daemon_log("Hardware changed! Detection triggered.", 4);
953 }
954 } else {
955 # Nothing to do
956 return;
957 }
958 }
959 }
960 # need to fill it to LDAP
961 #$entry->add(gotoHardwareChecksum => $gotoHardwareChecksum);
962 #if($entry->update($ldap)) {
963 # &main::daemon_log("gotoHardwareChecksum $gotoHardwareChecksum was added to LDAP", 4);
964 #}
966 ## Look if there another host with this checksum to use the hardware config
967 #$mesg = $ldap->search(
968 # base => $ldap_base,
969 # scope => 'sub',
970 # filter => "(&(objectClass=GOhard)(gotoHardwareChecksum=$gotoHardwareChecksum))"
971 #);
973 #if($mesg->count>1) {
974 # my $clone_entry= $mesg->entry(0);
975 # $entry->changetype("modify");
976 # foreach my $attribute (
977 # "gotoSndModule", "ghNetNic", "gotoXResolution", "ghSoundAdapter", "ghCpuType", "gotoXkbModel",
978 # "ghGfxAdapter", "gotoXMousePort", "ghMemSize", "gotoXMouseType", "ghUsbSupport", "gotoXHsync",
979 # "gotoXDriver", "gotoXVsync", "gotoXMonitor") {
980 # my $value= $clone_entry->get_value($attribute);
981 # if(defined($value)) {
982 # if(defined($entry->get_value($attribute))) {
983 # $entry->delete($attribute);
984 # }
985 # &main::daemon_log("Adding attribute $attribute with value $value",1);
986 # $entry->add($attribute => $value);
987 # }
988 # }
989 # foreach my $attribute (
990 # "gotoModules", "ghScsiDev", "ghIdeDev") {
991 # my $array= $clone_entry->get_value($attribute, 'as_ref' => 1);
992 # if(defined($array)) {
993 # if(defined($entry->get_value($attribute))) {
994 # $entry->delete($attribute);
995 # }
996 # foreach my $array_entry (@{$array}) {
997 # $entry->add($attribute => $array_entry);
998 # }
999 # }
1001 # }
1002 # if($entry->update($ldap)) {
1003 # &main::daemon_log("Added Hardware configuration to LDAP", 4);
1004 # }
1006 #}
1009 # Assemble data package
1010 my %data = ();
1012 # Need to append GOto settings?
1013 if (defined $goto_admin and defined $goto_secret){
1014 $data{'goto_admin'}= $goto_admin;
1015 $data{'goto_secret'}= $goto_secret;
1016 }
1018 # Unbind
1019 $mesg = $ldap->unbind;
1021 &main::daemon_log("Send detect_hardware message to $address", 4);
1023 # Send information
1024 return send_msg("detect_hardware", $server_address, $address, \%data);
1025 }
1027 sub server_matches {
1028 my $target = shift;
1029 my $target_ip = sprintf("%s", $target =~ /^([0-9\.]*?):.*$/);
1030 my $result = 0;
1032 if($server_ip eq $target_ip) {
1033 $result= 1;
1034 } elsif ($server_ip eq "0.0.0.0") {
1035 if ($target_ip eq "127.0.0.1") {
1036 $result= 1;
1037 } else {
1038 my $PROC_NET_ROUTE= ('/proc/net/route');
1040 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
1041 or die "Could not open $PROC_NET_ROUTE";
1043 my @ifs = <PROC_NET_ROUTE>;
1045 close(PROC_NET_ROUTE);
1047 # Eat header line
1048 shift @ifs;
1049 chomp @ifs;
1050 foreach my $line(@ifs) {
1051 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
1052 my $destination;
1053 my $mask;
1054 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
1055 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1056 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
1057 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1058 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
1059 # destination matches route, save mac and exit
1060 $result= 1;
1061 last;
1062 }
1063 }
1064 }
1065 } else {
1066 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
1067 }
1069 return $result;
1070 }
1073 #=== FUNCTION ================================================================
1074 # NAME: execute_actions
1075 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
1076 # RETURNS: nothing
1077 # DESCRIPTION: invokes the script specified in msg_hash which is located under
1078 # /etc/gosad/actions
1079 #===============================================================================
1080 sub execute_actions {
1081 my ($msg_hash) = @_ ;
1082 my $configdir= '/etc/gosad/actions/';
1083 my $result;
1085 my $header = @{$msg_hash->{header}}[0];
1086 my $source = @{$msg_hash->{source}}[0];
1087 my $target = @{$msg_hash->{target}}[0];
1089 if((not defined $source)
1090 && (not defined $target)
1091 && (not defined $header)) {
1092 &main::daemon_log("ERROR: Entries missing in XML msg for gosad actions under /etc/gosad/actions");
1093 } else {
1094 my $parameters="";
1095 my @params = @{$msg_hash->{$header}};
1096 my $params = join(", ", @params);
1097 &main::daemon_log("execute_actions: got parameters: $params", 5);
1099 if (@params) {
1100 foreach my $param (@params) {
1101 my $param_value = (&get_content_from_xml_hash($msg_hash, $param))[0];
1102 &main::daemon_log("execute_actions: parameter -> value: $param -> $param_value", 7);
1103 $parameters.= " ".$param_value;
1104 }
1105 }
1107 my $cmd= $configdir.$header."$parameters";
1108 &main::daemon_log("execute_actions: executing cmd: $cmd", 7);
1109 $result= "";
1110 open(PIPE, "$cmd 2>&1 |");
1111 while(<PIPE>) {
1112 $result.=$_;
1113 }
1114 close(PIPE);
1115 }
1117 # process the event result
1120 return;
1121 }
1124 1;