0be8a5d92485ee1d2c19a3e87bab748e277edb25
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 &main::daemon_log("Searching for servers gosaUnitTag with mac address $server_mac_address",6);
69 my $mesg= $tmp_ldap->bind($ldap_admin_dn, password => $ldap_admin_password);
70 # Perform search for Unit Tag
71 $mesg = $tmp_ldap->search(
72 base => $ldap_base,
73 scope => 'sub',
74 attrs => ['gosaUnitTag'],
75 filter => "(macaddress=$server_mac_address)"
76 );
78 if ($mesg->count == 1) {
79 my $entry= $mesg->entry(0);
80 my $unit_tag= $entry->get_value("gosaUnitTag");
81 if(defined($unit_tag) && length($unit_tag) > 0) {
82 &main::daemon_log("Detected gosaUnitTag $unit_tag for creating entries", 4);
83 $gosa_unit_tag= $unit_tag;
84 }
85 } else {
86 # Perform another search for Unit Tag
87 my $hostname= `hostname -f`;
88 $mesg = $tmp_ldap->search(
89 base => $ldap_base,
90 scope => 'sub',
91 attrs => ['gosaUnitTag'],
92 filter => "(&(cn=$hostname)(objectClass=goServer))"
93 );
94 if ($mesg->count == 1) {
95 my $entry= $mesg->entry(0);
96 my $unit_tag= $entry->get_value("gosaUnitTag");
97 if(defined($unit_tag) && length($unit_tag) > 0) {
98 &main::daemon_log("Detected gosaUnitTag $unit_tag for creating entries", 4);
99 $gosa_unit_tag= $unit_tag;
100 }
101 } else {
102 # Perform another search for Unit Tag
103 $hostname= `hostname -s`;
104 $mesg = $tmp_ldap->search(
105 base => $ldap_base,
106 scope => 'sub',
107 attrs => ['gosaUnitTag'],
108 filter => "(&(cn=$hostname)(objectClass=goServer))"
109 );
110 if ($mesg->count == 1) {
111 my $entry= $mesg->entry(0);
112 my $unit_tag= $entry->get_value("gosaUnitTag");
113 if(defined($unit_tag) && length($unit_tag) > 0) {
114 &main::daemon_log("Detected gosaUnitTag $unit_tag for creating entries", 4);
115 $gosa_unit_tag= $unit_tag;
116 }
117 } else {
118 &main::daemon_log("Not using gosaUnitTag", 6);
119 }
120 }
121 }
122 } else {
123 &main::daemon_log("Using gosaUnitTag from config-file: $gosa_unit_tag",6);
124 }
125 $tmp_ldap->unbind;
126 }
128 # complete addresses
129 #if( $server_ip eq "0.0.0.0" ) {
130 # $server_ip = "127.0.0.1";
131 #}
132 my $server_address = "$server_ip:$server_port";
133 $main::server_address = $server_address;
134 my $bus_address = "$bus_ip:$bus_port";
135 $main::bus_address = $bus_address;
137 # create general settings for this module
138 my $xml = new XML::Simple();
140 # register at bus
141 if ($main::no_bus > 0) {
142 $bus_activ = "off"
143 }
144 if($bus_activ eq "on") {
145 ®ister_at_bus();
146 }
148 # add myself to known_server_db
149 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
150 primkey=>'hostname',
151 hostname=>$server_address,
152 status=>'myself',
153 hostkey=>$SIPackages_key,
154 timestamp=>&get_time,
155 } );
159 ### functions #################################################################
162 sub get_module_info {
163 my @info = ($server_address,
164 $SIPackages_key,
165 );
166 return \@info;
167 }
170 sub do_wake {
171 my $host = shift;
172 my $ipaddr = shift || '255.255.255.255';
173 my $port = getservbyname('discard', 'udp');
175 my ($raddr, $them, $proto);
176 my ($hwaddr, $hwaddr_re, $pkt);
178 # get the hardware address (ethernet address)
180 $hwaddr_re = join(':', ('[0-9A-Fa-f]{1,2}') x 6);
181 if ($host =~ m/^$hwaddr_re$/) {
182 $hwaddr = $host;
183 } else {
184 # $host is not a hardware address, try to resolve it
185 my $ip_re = join('\.', ('([0-9]|[1-9][0-9]|1[0-9]{2}|2([0-4][0-9]|5[0-5]))') x 4);
186 my $ip_addr;
187 if ($host =~ m/^$ip_re$/) {
188 $ip_addr = $host;
189 } else {
190 my $h;
191 unless ($h = gethost($host)) {
192 return undef;
193 }
194 $ip_addr = inet_ntoa($h->addr);
195 }
196 }
198 # Generate magic sequence
199 foreach (split /:/, $hwaddr) {
200 $pkt .= chr(hex($_));
201 }
202 $pkt = chr(0xFF) x 6 . $pkt x 16;
204 # Allocate socket and send packet
206 $raddr = gethostbyname($ipaddr)->addr;
207 $them = pack_sockaddr_in($port, $raddr);
208 $proto = getprotobyname('udp');
210 socket(S, AF_INET, SOCK_DGRAM, $proto) or die "socket : $!";
211 setsockopt(S, SOL_SOCKET, SO_BROADCAST, 1) or die "setsockopt : $!";
213 send(S, $pkt, 0, $them) or die "send : $!";
214 close S;
215 }
218 #=== FUNCTION ================================================================
219 # NAME: read_configfile
220 # PARAMETERS: cfg_file - string -
221 # RETURNS: nothing
222 # DESCRIPTION: read cfg_file and set variables
223 #===============================================================================
224 sub read_configfile {
225 my $cfg;
226 if( defined( $main::cfg_file) && ( length($main::cfg_file) > 0 )) {
227 if( -r $main::cfg_file ) {
228 $cfg = Config::IniFiles->new( -file => $main::cfg_file );
229 } else {
230 print STDERR "Couldn't read config file!";
231 }
232 } else {
233 $cfg = Config::IniFiles->new() ;
234 }
235 foreach my $section (keys %cfg_defaults) {
236 foreach my $param (keys %{$cfg_defaults{ $section }}) {
237 my $pinfo = $cfg_defaults{ $section }{ $param };
238 ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
239 }
240 }
242 # Read non predefined sections
243 my $param;
244 if ($cfg->SectionExists('ldap')){
245 foreach $param ($cfg->Parameters('ldap')){
246 push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
247 }
248 }
249 if ($cfg->SectionExists('pam_ldap')){
250 foreach $param ($cfg->Parameters('pam_ldap')){
251 push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
252 }
253 }
254 if ($cfg->SectionExists('nss_ldap')){
255 foreach $param ($cfg->Parameters('nss_ldap')){
256 push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
257 }
258 }
259 if ($cfg->SectionExists('goto')){
260 $goto_admin= $cfg->val('goto', 'terminal_admin');
261 $goto_secret= $cfg->val('goto', 'terminal_secret');
262 } else {
263 $goto_admin= undef;
264 $goto_secret= undef;
265 }
267 }
269 #=== FUNCTION ================================================================
270 # NAME: get_interface_for_ip
271 # PARAMETERS: ip address (i.e. 192.168.0.1)
272 # RETURNS: array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
273 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
274 #===============================================================================
275 sub get_interface_for_ip {
276 my $result;
277 my $ip= shift;
278 if ($ip && length($ip) > 0) {
279 my @ifs= &get_interfaces();
280 if($ip eq "0.0.0.0") {
281 $result = "all";
282 } else {
283 foreach (@ifs) {
284 my $if=$_;
285 if(get_ip($if) eq $ip) {
286 $result = $if;
287 }
288 }
289 }
290 }
291 return $result;
292 }
294 #=== FUNCTION ================================================================
295 # NAME: get_interfaces
296 # PARAMETERS: none
297 # RETURNS: (list of interfaces)
298 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
299 #===============================================================================
300 sub get_interfaces {
301 my @result;
302 my $PROC_NET_DEV= ('/proc/net/dev');
304 open(PROC_NET_DEV, "<$PROC_NET_DEV")
305 or die "Could not open $PROC_NET_DEV";
307 my @ifs = <PROC_NET_DEV>;
309 close(PROC_NET_DEV);
311 # Eat first two line
312 shift @ifs;
313 shift @ifs;
315 chomp @ifs;
316 foreach my $line(@ifs) {
317 my $if= (split /:/, $line)[0];
318 $if =~ s/^\s+//;
319 push @result, $if;
320 }
322 return @result;
323 }
325 #=== FUNCTION ================================================================
326 # NAME: get_mac
327 # PARAMETERS: interface name (i.e. eth0)
328 # RETURNS: (mac address)
329 # DESCRIPTION: Uses ioctl to get mac address directly from system.
330 #===============================================================================
331 sub get_mac {
332 my $ifreq= shift;
333 my $result;
334 if ($ifreq && length($ifreq) > 0) {
335 if($ifreq eq "all") {
336 $result = "00:00:00:00:00:00";
337 } else {
338 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
340 # A configured MAC Address should always override a guessed value
341 if ($server_mac_address and length($server_mac_address) > 0) {
342 $result= $server_mac_address;
343 }
345 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
346 or die "socket: $!";
348 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
349 my ($if, $mac)= unpack 'h36 H12', $ifreq;
351 if (length($mac) > 0) {
352 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
353 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
354 $result = $mac;
355 }
356 }
357 }
358 }
359 return $result;
360 }
363 #=== FUNCTION ================================================================
364 # NAME: register_at_bus
365 # PARAMETERS: nothing
366 # RETURNS: nothing
367 # DESCRIPTION: creates an entry in known_daemons and send a 'here_i_am' msg to bus
368 #===============================================================================
369 sub register_at_bus {
371 # add bus to known_server_db
372 my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
373 primkey=>'hostname',
374 hostname=>$bus_address,
375 status=>'bus',
376 hostkey=>$bus_key,
377 timestamp=>&get_time,
378 } );
379 my $msg_hash = &create_xml_hash("here_i_am", $server_address, $bus_address);
380 my $msg = &create_xml_string($msg_hash);
382 &main::send_msg_to_target($msg, $bus_address, $bus_key, "here_i_am");
383 return $msg;
384 }
387 #=== FUNCTION ================================================================
388 # NAME: process_incoming_msg
389 # PARAMETERS: crypted_msg - string - incoming crypted message
390 # RETURNS: nothing
391 # DESCRIPTION: handels the proceeded distribution to the appropriated functions
392 #===============================================================================
393 sub process_incoming_msg {
394 my ($msg, $msg_hash, $remote_ip) = @_ ;
395 my $error = 0;
396 my $host_name;
397 my $host_key;
398 my @out_msg_l;
400 # process incoming msg
401 my $header = @{$msg_hash->{header}}[0];
402 my @target_l = @{$msg_hash->{target}};
404 &main::daemon_log("SIPackages: msg to process: $header", 3);
405 &main::daemon_log("$msg", 8);
407 if( 0 == length @target_l){
408 &main::daemon_log("ERROR: no target specified for msg $header", 1);
409 $error++;
410 }
412 if( 1 == length @target_l) {
413 my $target = $target_l[0];
414 if(&server_matches($target)) {
415 if ($header eq 'new_key') {
416 @out_msg_l = &new_key($msg_hash)
417 } elsif ($header eq 'here_i_am') {
418 @out_msg_l = &here_i_am($msg_hash)
419 } elsif ($header eq 'who_has') {
420 @out_msg_l = &who_has($msg_hash)
421 } elsif ($header eq 'who_has_i_do') {
422 @out_msg_l = &who_has_i_do($msg_hash)
423 } elsif ($header eq 'got_ping') {
424 @out_msg_l = &got_ping($msg_hash)
425 } elsif ($header eq 'get_load') {
426 @out_msg_l = &execute_actions($msg_hash)
427 } elsif ($header eq 'detected_hardware') {
428 @out_msg_l = &process_detected_hardware($msg_hash)
429 } elsif ($header eq 'trigger_wake') {
430 foreach (@{$msg_hash->{macAddress}}){
431 &main::daemon_log("SIPackages: trigger wake for $_", 1);
432 do_wake($_);
433 }
435 } else {
436 &main::daemon_log("ERROR: $header is an unknown core function", 1);
437 $error++;
438 }
439 }
440 else {
441 &main::daemon_log("msg is not for gosa-si-server '$server_address', deliver it to target '$target'", 5);
442 push(@out_msg_l, $msg);
443 }
444 }
446 # if( $error == 0) {
447 # if( 0 == @out_msg_l ) {
448 # push(@out_msg_l, $msg);
449 # }
450 # }
452 return \@out_msg_l;
453 }
456 #=== FUNCTION ================================================================
457 # NAME: got_ping
458 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
459 # RETURNS: nothing
460 # DESCRIPTION: process this incoming message
461 #===============================================================================
462 sub got_ping {
463 my ($msg_hash) = @_;
465 my $source = @{$msg_hash->{source}}[0];
466 my $target = @{$msg_hash->{target}}[0];
467 my $header = @{$msg_hash->{header}}[0];
469 if(exists $main::known_daemons->{$source}) {
470 &main::add_content2known_daemons(hostname=>$source, status=>$header);
471 } else {
472 &main::add_content2known_clients(hostname=>$source, status=>$header);
473 }
475 return;
476 }
479 #=== FUNCTION ================================================================
480 # NAME: new_passwd
481 # PARAMETERS: msg_hash - ref - hash from function create_xml_hash
482 # RETURNS: nothing
483 # DESCRIPTION: process this incoming message
484 #===============================================================================
485 sub new_key {
486 my ($msg_hash) = @_;
487 my @out_msg_l;
489 my $header = @{$msg_hash->{header}}[0];
490 my $source_name = @{$msg_hash->{source}}[0];
491 my $source_key = @{$msg_hash->{new_key}}[0];
492 my $query_res;
494 # check known_clients_db
495 my $sql_statement = "SELECT * FROM known_clients WHERE hostname='$source_name'";
496 $query_res = $main::known_clients_db->select_dbentry( $sql_statement );
497 if( 1 == keys %{$query_res} ) {
498 my $act_time = &get_time;
499 my $sql_statement= "UPDATE known_clients ".
500 "SET hostkey='$source_key', timestamp='$act_time' ".
501 "WHERE hostname='$source_name'";
502 my $res = $main::known_clients_db->update_dbentry( $sql_statement );
503 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
504 my $out_msg = &create_xml_string($hash);
505 push(@out_msg_l, $out_msg);
506 }
508 # only do if host still not found
509 if( 0 == @out_msg_l ) {
510 # check known_server_db
511 $sql_statement = "SELECT * FROM known_server WHERE hostname='$source_name'";
512 $query_res = $main::known_server_db->select_dbentry( $sql_statement );
513 if( 1 == keys %{$query_res} ) {
514 my $act_time = &get_time;
515 my $sql_statement= "UPDATE known_server ".
516 "SET hostkey='$source_key', timestamp='$act_time' ".
517 "WHERE hostname='$source_name'";
518 my $res = $main::known_server_db->update_dbentry( $sql_statement );
520 my $hash = &create_xml_hash("confirm_new_key", $server_address, $source_name);
521 my $out_msg = &create_xml_string($hash);
522 push(@out_msg_l, $out_msg);
523 }
524 }
526 return @out_msg_l;
527 }
530 #=== FUNCTION ================================================================
531 # NAME: here_i_am
532 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
533 # RETURNS: nothing
534 # DESCRIPTION: process this incoming message
535 #===============================================================================
536 sub here_i_am {
537 my ($msg_hash) = @_;
538 my @out_msg_l;
539 my $out_hash;
541 my $source = @{$msg_hash->{source}}[0];
542 my $mac_address = @{$msg_hash->{mac_address}}[0];
543 my $gotoHardwareChecksum = @{$msg_hash->{gotoHardwareChecksum}}[0];
545 # number of known clients
546 my $nu_clients= $main::known_clients_db->count_dbentries('known_clients');
548 # check wether client address or mac address is already known
549 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$source'";
550 my $db_res= $main::known_clients_db->select_dbentry( $sql_statement );
552 if ( 1 == keys %{$db_res} ) {
553 &main::daemon_log("WARNING: $source is already known as a client", 1);
554 &main::daemon_log("WARNING: values for $source are being overwritten", 1);
555 $nu_clients --;
556 }
558 # number of actual activ clients
559 my $act_nu_clients = $nu_clients;
561 &main::daemon_log("number of actual activ clients: $act_nu_clients", 5);
562 &main::daemon_log("number of maximal allowed clients: $max_clients", 5);
564 if($max_clients <= $act_nu_clients) {
565 my $out_hash = &create_xml_hash("denied", $server_address, $source);
566 &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
567 my $passwd = @{$msg_hash->{new_passwd}}[0];
568 &send_msg_hash2address($out_hash, $source, $passwd);
569 return;
570 }
572 # new client accepted
573 my $new_passwd = @{$msg_hash->{new_passwd}}[0];
575 # create entry in known_clients
576 my $events = @{$msg_hash->{events}}[0];
579 # add entry to known_clients_db
580 my $act_timestamp = &get_time;
581 my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
582 primkey=>'hostname',
583 hostname=>$source,
584 events=>$events,
585 macaddress=>$mac_address,
586 status=>'registered',
587 hostkey=>$new_passwd,
588 timestamp=>$act_timestamp,
589 } );
591 if ($res != 0) {
592 &main::daemon_log("ERROR: cannot add entry to known_clients: $res");
593 return;
594 }
596 # return acknowledgement to client
597 $out_hash = &create_xml_hash("registered", $server_address, $source);
598 my $register_out = &create_xml_string($out_hash);
599 push(@out_msg_l, $register_out);
601 # notify registered client to bus
602 if( $bus_activ eq "on") {
603 # fetch actual bus key
604 my $sql_statement= "SELECT * FROM known_server WHERE status='bus'";
605 my $query_res = $main::known_server_db->select_dbentry( $sql_statement );
606 my $hostkey = $query_res->{1}->{'hostkey'};
608 # send update msg to bus
609 $out_hash = &create_xml_hash("new_client", $server_address, $bus_address, $source);
610 &add_content2xml_hash($out_hash, "macaddress", $mac_address);
611 &add_content2xml_hash($out_hash, "timestamp", $act_timestamp);
612 my $new_client_out = &create_xml_string($out_hash);
613 push(@out_msg_l, $new_client_out);
614 &main::daemon_log("send bus msg that client '$source' has registerd at server '$server_address'", 3);
615 }
617 # give the new client his ldap config
618 my $new_ldap_config_out = &new_ldap_config($source);
619 if( $new_ldap_config_out ) {
620 push(@out_msg_l, $new_ldap_config_out);
621 }
623 my $hardware_config_out = &hardware_config($source, $gotoHardwareChecksum);
624 if( $hardware_config_out ) {
625 push(@out_msg_l, $hardware_config_out);
626 }
628 return @out_msg_l;
629 }
632 #=== FUNCTION ================================================================
633 # NAME: who_has
634 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
635 # RETURNS: nothing
636 # DESCRIPTION: process this incoming message
637 #===============================================================================
638 sub who_has {
639 my ($msg_hash) = @_ ;
640 my @out_msg_l;
642 # what is your search pattern
643 my $search_pattern = @{$msg_hash->{who_has}}[0];
644 my $search_element = @{$msg_hash->{$search_pattern}}[0];
645 &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
647 # scanning known_clients for search_pattern
648 my @host_addresses = keys %$main::known_clients;
649 my $known_clients_entries = length @host_addresses;
650 my $host_address;
651 foreach my $host (@host_addresses) {
652 my $client_element = $main::known_clients->{$host}->{$search_pattern};
653 if ($search_element eq $client_element) {
654 $host_address = $host;
655 last;
656 }
657 }
659 # search was successful
660 if (defined $host_address) {
661 my $source = @{$msg_hash->{source}}[0];
662 my $out_hash = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
663 &add_content2xml_hash($out_hash, "mac_address", $search_element);
664 my $out_msg = &create_xml_string($out_hash);
665 push(@out_msg_l, $out_msg);
666 }
667 return @out_msg_l;
668 }
671 sub who_has_i_do {
672 my ($msg_hash) = @_ ;
673 my $header = @{$msg_hash->{header}}[0];
674 my $source = @{$msg_hash->{source}}[0];
675 my $search_param = @{$msg_hash->{$header}}[0];
676 my $search_value = @{$msg_hash->{$search_param}}[0];
677 print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
678 }
680 #=== FUNCTION ================================================================
681 # NAME: new_ldap_config
682 # PARAMETERS: address - string - ip address and port of a host
683 # RETURNS: nothing
684 # DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
685 #===============================================================================
686 sub new_ldap_config {
687 my ($address) = @_ ;
689 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
690 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
692 # check hit
693 my $hit_counter = keys %{$res};
694 if( not $hit_counter == 1 ) {
695 &main::daemon_log("ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
696 }
698 my $macaddress = $res->{1}->{macaddress};
699 my $hostkey = $res->{1}->{hostkey};
701 if (not defined $macaddress) {
702 &main::daemon_log("ERROR: no mac address found for client $address", 1);
703 return;
704 }
706 # Build LDAP connection
707 my $ldap = Net::LDAP->new($ldap_uri);
708 if( not defined $ldap ) {
709 &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
710 return;
711 }
714 # Bind to a directory with dn and password
715 my $mesg= $ldap->bind($ldap_admin_dn, password => $ldap_admin_password);
717 # Perform search
718 $mesg = $ldap->search( base => $ldap_base,
719 scope => 'sub',
720 attrs => ['dn', 'gotoLdapServer', 'gosaUnitTag'],
721 filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
722 #$mesg->code && die $mesg->error;
723 if($mesg->code) {
724 &main::daemon_log($mesg->error, 1);
725 return;
726 }
728 # Sanity check
729 if ($mesg->count != 1) {
730 &main::daemon_log("WARNING: client mac address $macaddress not found/not unique in ldap search", 1);
731 &main::daemon_log("\tbase: $ldap_base", 1);
732 &main::daemon_log("\tscope: sub", 1);
733 &main::daemon_log("\tattrs: dn, gotoLdapServer", 1);
734 &main::daemon_log("\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
735 return;
736 }
738 my $entry= $mesg->entry(0);
739 my $dn= $entry->dn;
740 my @servers= $entry->get_value("gotoLdapServer");
741 my $unit_tag= $entry->get_value("gosaUnitTag");
742 my @ldap_uris;
743 my $server;
744 my $base;
746 # Do we need to look at an object class?
747 if (length(@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 $mesg->error;
753 if($mesg->code) {
754 &main::daemon_log($mesg->error, 1);
755 return;
756 }
758 # Sanity check
759 if ($mesg->count != 1) {
760 &main::daemon_log("WARNING: no LDAP information found for client mac $macaddress", 1);
761 return;
762 }
764 $entry= $mesg->entry(0);
765 $dn= $entry->dn;
766 @servers= $entry->get_value("gotoLdapServer");
767 }
769 @servers= sort (@servers);
771 foreach $server (@servers){
772 # Conversation for backward compatibility
773 if ($server !=~ /^ldap[^:]+:\/\// ) {
774 if ($server =~ /^([^:]+):(.*)$/ ) {
775 $server= "1:dummy:ldap://$1/$2";
776 }
777 }
779 $base= $server;
780 $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
781 $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
782 push (@ldap_uris, $server);
783 }
785 # Assemble data package
786 my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
787 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
789 # Need to append GOto settings?
790 if (defined $goto_admin and defined $goto_secret){
791 $data{'goto_admin'}= $goto_admin;
792 $data{'goto_secret'}= $goto_secret;
793 }
795 # Append unit tag if needed
796 if (defined $unit_tag){
798 # Find admin base and department name
799 $mesg = $ldap->search( base => $ldap_base,
800 scope => 'sub',
801 attrs => ['dn', 'ou', 'FAIclass'],
802 filter => "(&(objectClass=gosaAdministrativeUnit)(gosaUnitTag=$unit_tag))");
803 #$mesg->code && die $mesg->error;
804 if($mesg->code) {
805 &main::daemon_log($mesg->error, 1);
806 return;
807 }
809 # Sanity check
810 if ($mesg->count != 1) {
811 &main::daemon_log("WARNING: cannot find administrative unit for client with tag $unit_tag", 1);
812 return;
813 }
815 $entry= $mesg->entry(0);
816 $data{'admin_base'}= $entry->dn;
817 $data{'department'}= $entry->get_value("ou");
819 # Append unit Tag
820 $data{'unit_tag'}= $unit_tag;
821 }
823 # Fill release if available
824 my $FAIclass= $entry->get_value("FAIclass");
825 if (defined $FAIclass && $FAIclass =~ /^.* :([A-Za-z0-9\/.]+).*$/) {
826 $data{'release'}= $1;
827 }
830 # Unbind
831 $mesg = $ldap->unbind;
833 # Send information
834 return send_msg("new_ldap_config", $server_address, $address, \%data);
835 }
837 sub process_detected_hardware {
838 my $msg_hash = shift;
839 my $address = $msg_hash->{source}[0];
840 my $gotoHardwareChecksum= $msg_hash->{detected_hardware}[0]->{gotoHardwareChecksum};
842 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
843 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
845 # check hit
846 my $hit_counter = keys %{$res};
847 if( not $hit_counter == 1 ) {
848 &main::daemon_log("ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
849 return;
850 }
852 my $macaddress = $res->{1}->{macaddress};
853 my $hostkey = $res->{1}->{hostkey};
855 if (not defined $macaddress) {
856 &main::daemon_log("ERROR: no mac address found for client $address", 1);
857 return;
858 }
859 # Build LDAP connection
860 my $ldap = Net::LDAP->new($ldap_uri);
861 if( not defined $ldap ) {
862 &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
863 return;
864 }
866 # Bind to a directory with dn and password
867 my $mesg= $ldap->bind($ldap_admin_dn, password => $ldap_admin_password);
869 # Perform search
870 $mesg = $ldap->search(
871 base => $ldap_base,
872 scope => 'sub',
873 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
874 );
876 # We need to create a base entry first (if not done from ArpHandler)
877 if($mesg->count == 0) {
878 &main::daemon_log("Need to create a new LDAP Entry for client $address", 1);
879 my $resolver=Net::DNS::Resolver->new;
880 my $ipaddress= $1 if $address =~ /^([0-9\.]*?):.*$/;
881 my $dnsresult= $resolver->search($ipaddress);
882 my $dnsname= (defined($dnsresult))?$dnsresult->{answer}[0]->{ptrdname}:$ipaddress;
883 my $cn = (($dnsname =~ /^(\d){1,3}\.(\d){1,3}\.(\d){1,3}\.(\d){1,3}/) ? $dnsname : sprintf "%s", $dnsname =~ /([^\.]+)\.?/);
884 my $dn = "cn=$cn,ou=incoming,$ldap_base";
885 &main::daemon_log("Creating entry for $dn",6);
886 my $entry= Net::LDAP::Entry->new( $dn );
887 $entry->dn($dn);
888 $entry->add("objectClass" => "goHard");
889 $entry->add("cn" => $cn);
890 $entry->add("macAddress" => $macaddress);
891 $entry->add("gotomode" => "locked");
892 $entry->add("gotoSysStatus" => "new-system");
893 $entry->add("ipHostNumber" => $ipaddress);
894 if(defined($gosa_unit_tag) && length($gosa_unit_tag) > 0) {
895 $entry->add("objectClass" => "gosaAdministrativeUnit");
896 $entry->add("gosaUnitTag" => $gosa_unit_tag);
897 }
898 if(my $res=$entry->update($ldap)) {
899 # Fill $mesg again
900 $mesg = $ldap->search(
901 base => $ldap_base,
902 scope => 'sub',
903 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
904 );
905 } else {
906 &main::daemon_log("ERROR: There was a problem adding the entry", 1);
907 }
909 }
911 if($mesg->count == 1) {
912 my $entry= $mesg->entry(0);
913 $entry->changetype("modify");
914 foreach my $attribute (
915 "gotoSndModule", "ghNetNic", "gotoXResolution", "ghSoundAdapter", "ghCpuType", "gotoXkbModel",
916 "ghGfxAdapter", "gotoXMousePort", "ghMemSize", "gotoXMouseType", "ghUsbSupport", "gotoXHsync",
917 "gotoXDriver", "gotoXVsync", "gotoXMonitor", "gotoHardwareChecksum") {
918 if(defined($msg_hash->{detected_hardware}[0]->{$attribute})) {
919 if(defined($entry->get_value($attribute))) {
920 $entry->delete($attribute);
921 }
922 &main::daemon_log("Adding attribute $attribute with value ".$msg_hash->{detected_hardware}[0]->{$attribute},1);
923 $entry->add($attribute => $msg_hash->{detected_hardware}[0]->{$attribute});
924 }
925 }
926 foreach my $attribute (
927 "gotoModules", "ghScsiDev", "ghIdeDev") {
928 if(defined($msg_hash->{detected_hardware}[0]->{$attribute})) {
929 if(defined($entry->get_value($attribute))) {
930 $entry->delete($attribute);
931 }
932 foreach my $array_entry (@{$msg_hash->{detected_hardware}[0]->{$attribute}}) {
933 $entry->add($attribute => $array_entry);
934 }
935 }
937 }
939 if($entry->update($ldap)) {
940 &main::daemon_log("Added Hardware configuration to LDAP", 4);
941 }
943 }
944 return;
945 }
946 #=== FUNCTION ================================================================
947 # NAME: hardware_config
948 # PARAMETERS: address - string - ip address and port of a host
949 # RETURNS:
950 # DESCRIPTION:
951 #===============================================================================
952 sub hardware_config {
953 my ($address, $gotoHardwareChecksum) = @_ ;
955 my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$address'";
956 my $res = $main::known_clients_db->select_dbentry( $sql_statement );
958 # check hit
959 my $hit_counter = keys %{$res};
960 if( not $hit_counter == 1 ) {
961 &main::daemon_log("ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
962 }
964 my $macaddress = $res->{1}->{macaddress};
965 my $hostkey = $res->{1}->{hostkey};
967 if (not defined $macaddress) {
968 &main::daemon_log("ERROR: no mac address found for client $address", 1);
969 return;
970 }
972 # Build LDAP connection
973 my $ldap = Net::LDAP->new($ldap_uri);
974 if( not defined $ldap ) {
975 &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
976 return;
977 }
979 # Bind to a directory with dn and password
980 my $mesg= $ldap->bind($ldap_admin_dn, password => $ldap_admin_password);
982 # Perform search
983 $mesg = $ldap->search(
984 base => $ldap_base,
985 scope => 'sub',
986 filter => "(&(objectClass=GOhard)(|(macAddress=$macaddress)(dhcpHWaddress=ethernet $macaddress)))"
987 );
989 if($mesg->count() == 0) {
990 &main::daemon_log("Host was not found in LDAP!", 1);
991 } else {
992 my $entry= $mesg->entry(0);
993 my $dn= $entry->dn;
994 if(defined($entry->get_value("gotoHardwareChecksum"))) {
995 if(! $entry->get_value("gotoHardwareChecksum") eq $gotoHardwareChecksum) {
996 $entry->replace(gotoHardwareChecksum => $gotoHardwareChecksum);
997 if($entry->update($ldap)) {
998 &main::daemon_log("Hardware changed! Detection triggered.", 4);
999 }
1000 } else {
1001 # Nothing to do
1002 return;
1003 }
1004 }
1005 }
1006 # need to fill it to LDAP
1007 #$entry->add(gotoHardwareChecksum => $gotoHardwareChecksum);
1008 #if($entry->update($ldap)) {
1009 # &main::daemon_log("gotoHardwareChecksum $gotoHardwareChecksum was added to LDAP", 4);
1010 #}
1012 ## Look if there another host with this checksum to use the hardware config
1013 #$mesg = $ldap->search(
1014 # base => $ldap_base,
1015 # scope => 'sub',
1016 # filter => "(&(objectClass=GOhard)(gotoHardwareChecksum=$gotoHardwareChecksum))"
1017 #);
1019 #if($mesg->count>1) {
1020 # my $clone_entry= $mesg->entry(0);
1021 # $entry->changetype("modify");
1022 # foreach my $attribute (
1023 # "gotoSndModule", "ghNetNic", "gotoXResolution", "ghSoundAdapter", "ghCpuType", "gotoXkbModel",
1024 # "ghGfxAdapter", "gotoXMousePort", "ghMemSize", "gotoXMouseType", "ghUsbSupport", "gotoXHsync",
1025 # "gotoXDriver", "gotoXVsync", "gotoXMonitor") {
1026 # my $value= $clone_entry->get_value($attribute);
1027 # if(defined($value)) {
1028 # if(defined($entry->get_value($attribute))) {
1029 # $entry->delete($attribute);
1030 # }
1031 # &main::daemon_log("Adding attribute $attribute with value $value",1);
1032 # $entry->add($attribute => $value);
1033 # }
1034 # }
1035 # foreach my $attribute (
1036 # "gotoModules", "ghScsiDev", "ghIdeDev") {
1037 # my $array= $clone_entry->get_value($attribute, 'as_ref' => 1);
1038 # if(defined($array)) {
1039 # if(defined($entry->get_value($attribute))) {
1040 # $entry->delete($attribute);
1041 # }
1042 # foreach my $array_entry (@{$array}) {
1043 # $entry->add($attribute => $array_entry);
1044 # }
1045 # }
1047 # }
1048 # if($entry->update($ldap)) {
1049 # &main::daemon_log("Added Hardware configuration to LDAP", 4);
1050 # }
1052 #}
1055 # Assemble data package
1056 my %data = ();
1058 # Need to append GOto settings?
1059 if (defined $goto_admin and defined $goto_secret){
1060 $data{'goto_admin'}= $goto_admin;
1061 $data{'goto_secret'}= $goto_secret;
1062 }
1064 # Unbind
1065 $mesg = $ldap->unbind;
1067 &main::daemon_log("Send detect_hardware message to $address", 4);
1069 # Send information
1070 return send_msg("detect_hardware", $server_address, $address, \%data);
1071 }
1073 sub server_matches {
1074 my $target = shift;
1075 my $target_ip = sprintf("%s", $target =~ /^([0-9\.]*?):.*$/);
1076 my $result = 0;
1078 if($server_ip eq $target_ip) {
1079 $result= 1;
1080 } elsif ($server_ip eq "0.0.0.0") {
1081 if ($target_ip eq "127.0.0.1") {
1082 $result= 1;
1083 } else {
1084 my $PROC_NET_ROUTE= ('/proc/net/route');
1086 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
1087 or die "Could not open $PROC_NET_ROUTE";
1089 my @ifs = <PROC_NET_ROUTE>;
1091 close(PROC_NET_ROUTE);
1093 # Eat header line
1094 shift @ifs;
1095 chomp @ifs;
1096 foreach my $line(@ifs) {
1097 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
1098 my $destination;
1099 my $mask;
1100 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
1101 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1102 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
1103 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
1104 if(new NetAddr::IP($target_ip)->within(new NetAddr::IP($destination, $mask))) {
1105 # destination matches route, save mac and exit
1106 $result= 1;
1107 last;
1108 }
1109 }
1110 }
1111 } else {
1112 &main::daemon_log("Target ip $target_ip does not match Server ip $server_ip",1);
1113 }
1115 return $result;
1116 }
1119 #=== FUNCTION ================================================================
1120 # NAME: execute_actions
1121 # PARAMETERS: msg_hash - hash - hash from function create_xml_hash
1122 # RETURNS: nothing
1123 # DESCRIPTION: invokes the script specified in msg_hash which is located under
1124 # /etc/gosad/actions
1125 #===============================================================================
1126 sub execute_actions {
1127 my ($msg_hash) = @_ ;
1128 my $configdir= '/etc/gosad/actions/';
1129 my $result;
1131 my $header = @{$msg_hash->{header}}[0];
1132 my $source = @{$msg_hash->{source}}[0];
1133 my $target = @{$msg_hash->{target}}[0];
1135 if((not defined $source)
1136 && (not defined $target)
1137 && (not defined $header)) {
1138 &main::daemon_log("ERROR: Entries missing in XML msg for gosad actions under /etc/gosad/actions");
1139 } else {
1140 my $parameters="";
1141 my @params = @{$msg_hash->{$header}};
1142 my $params = join(", ", @params);
1143 &main::daemon_log("execute_actions: got parameters: $params", 5);
1145 if (@params) {
1146 foreach my $param (@params) {
1147 my $param_value = (&get_content_from_xml_hash($msg_hash, $param))[0];
1148 &main::daemon_log("execute_actions: parameter -> value: $param -> $param_value", 7);
1149 $parameters.= " ".$param_value;
1150 }
1151 }
1153 my $cmd= $configdir.$header."$parameters";
1154 &main::daemon_log("execute_actions: executing cmd: $cmd", 7);
1155 $result= "";
1156 open(PIPE, "$cmd 2>&1 |");
1157 while(<PIPE>) {
1158 $result.=$_;
1159 }
1160 close(PIPE);
1161 }
1163 # process the event result
1166 return;
1167 }
1170 1;