f74f595d7e8782899737e108b5ff5d5b8ef043bf
1 package corefunctions;
2 use Exporter;
3 @ISA = qw(Exporter);
4 my @events = (
5 "get_events",
6 "registered",
7 "new_ntp_config",
8 "new_ldap_config",
9 "new_key",
10 "generate_hw_digest", # no implementations
11 "detect_hardware",
12 "confirm_new_key",
13 "ping",
14 "import_events", # no implementations
15 );
16 @EXPORT = @events;
18 use strict;
19 use warnings;
20 use Data::Dumper;
21 use Fcntl;
22 use GOSA::GosaSupportDaemon;
23 use File::Basename;
25 my ($ldap_enabled, $offline_enabled, $ldap_config, $pam_config, $nss_config, $fai_logpath);
27 my $chrony_file = "/etc/chrony/chrony.conf";
29 my %cfg_defaults = (
30 "client" => {
31 "ldap" => [\$ldap_enabled, 1],
32 "offline-ldap" => [\$offline_enabled, 0],
33 "ldap-config" => [\$ldap_config, "/etc/ldap/ldap.conf"],
34 "pam-config" => [\$pam_config, "/etc/pam_ldap.conf"],
35 "nss-config" => [\$nss_config, "/etc/libnss-ldap.conf"],
36 "fai-logpath" => [\$fai_logpath, "/var/log/fai/fai.log"],
37 },
38 );
40 BEGIN {}
42 END {}
44 ### Start ######################################################################
46 &main::read_configfile($main::cfg_file, %cfg_defaults);
49 my $server_address = $main::server_address;
50 my $server_key = $main::server_key;
51 my $client_mac_address = $main::client_mac_address;
53 sub write_to_file {
54 my ($string, $file) = @_;
55 my $error = 0;
57 if( not defined $file || not -f $file ) {
58 &main::daemon_log("ERROR: $0: check '-f file' failed: $file", 1);
59 $error++;
60 }
61 if( not defined $string || 0 == length($string)) {
62 &main::daemon_log("ERROR: $0: empty string to write to file '$file'", 1);
63 $error++;
64 }
66 if( $error == 0 ) {
68 chomp($string);
70 if( not -f $file ) {
71 open (FILE, "$file");
72 close(FILE);
73 }
74 open(FILE, ">> $file") or &main::daemon_log("ERROR in corefunctions.pm: can not open '$file' to write '$string'", 1);;
75 print FILE $string."\n";
76 close(FILE);
77 }
79 return;
80 }
83 sub get_events {
84 return \@events;
85 }
87 sub daemon_log {
88 my ($msg, $level) = @_ ;
89 &main::daemon_log($msg, $level);
90 return;
91 }
93 sub registered {
94 my ($msg, $msg_hash) = @_ ;
96 my $header = @{$msg_hash->{'header'}}[0];
97 if( $header eq "registered" ) {
98 my $source = @{$msg_hash->{'source'}}[0];
99 &main::daemon_log("INFO: registration at $source",1);
100 $main::server_address = $source;
101 }
103 # set globaly variable client_address
104 my $target = @{$msg_hash->{'target'}}[0];
105 $main::client_address = $target;
107 # set registration_flag to true
108 my $out_hash = &create_xml_hash("registered", $main::client_address, $main::server_address);
109 # Write the MAC address to file
110 if(stat($main::opts_file)) {
111 unlink($main::opts_file);
112 }
114 my $opts_file_FH;
115 my $hostname= $main::client_dnsname;
116 $hostname =~ s/\..*$//;
117 $hostname =~ tr/A-Z/a-z/;
118 open($opts_file_FH, ">$main::opts_file");
119 print $opts_file_FH "MAC=\"$main::client_mac_address\"\n";
120 print $opts_file_FH "IPADDRESS=\"$main::client_ip\"\n";
121 print $opts_file_FH "HOSTNAME=\"$hostname\"\n";
122 print $opts_file_FH "FQDN=\"$main::client_dnsname\"\n";
123 if(defined(@{$msg_hash->{'ldap_available'}}) &&
124 @{$msg_hash->{'ldap_available'}}[0] eq "true") {
125 print $opts_file_FH "LDAP_AVAILABLE=\"true\"\n";
126 }
127 if(defined(@{$msg_hash->{'error'}})) {
128 my $errormsg= @{$msg_hash->{'error'}}[0];
129 print $opts_file_FH "GOSA_SI_ERROR=\"$errormsg\"\n";
130 &write_to_file($errormsg, $fai_logpath);
131 }
132 close($opts_file_FH);
134 my $out_msg = &create_xml_string($out_hash);
135 return $out_msg;
136 }
138 sub server_leaving {
139 my ($msg_hash) = @_ ;
140 my $source = @{$msg_hash->{'source'}}[0];
141 my $header = @{$msg_hash->{'header'}}[0];
143 daemon_log("gosa-si-server $source is going down, cause registration procedure", 1);
144 $main::server_address = "none";
145 $main::server_key = "none";
147 # reinitialization of default values in config file
148 &main::read_configfile;
150 # registrated at new daemon
151 &main::register_at_server();
153 return;
154 }
156 ## @method new_ntp_config
157 # Updates the server options in /etc/chrony/chrony.conf and restarts the chrony service
158 # @param msg - STRING - xml message with tag server
159 # @param msg_hash - HASHREF - message information parsed into a hash
160 sub new_ntp_config {
161 my ($msg, $msg_hash) = @_ ;
163 # Sanity check of incoming message
164 if ((not exists $msg_hash->{'server'}) || (not @{$msg_hash->{'server'}} >= 1) ) {
165 &main::daemon_log("ERROR: 'new_ntp_config'-message does not contain a ntp server: $msg", 1);
166 return;
167 }
169 # Fetch the new ntp server from incoming message
170 my $ntp_servers = $msg_hash->{'server'};
171 &main::daemon_log("INFO: found ntp server: ".join(", ", @$ntp_servers), 5);
172 my $ntp_servers_string = "server\t".join("\nserver\t", @$ntp_servers)."\n";
173 my $found_server_flag = 0;
175 # Sanity check of /etc/chrony/chrony.conf
176 if (not -f $chrony_file) {
177 &main::daemon_log("ERROR: file '$chrony_file' does not exist, cannot do ntp reconfiguration!", 1);
178 return;
179 }
181 # Substitute existing server with new ntp server
182 open (FILE, "<$chrony_file");
183 my @file = <FILE>;
184 close FILE;
185 foreach my $line (@file) {
186 if ($line =~ /^server /) {
187 if ($found_server_flag) {
188 $line =~ s/^server [\s\S]+$//;
189 } else {
190 $line =~ s/^server [\s\S]+$/$ntp_servers_string/;
191 }
192 $found_server_flag++;
193 }
194 }
196 # Append new server if no old server configuration found
197 if (not $found_server_flag) {
198 push(@file, "\n# ntp server configuration written by GOsa-si\n");
199 push(@file, $ntp_servers_string);
200 }
202 # Write changes to file and close it
203 open (FILE, "+>$chrony_file");
204 print FILE join("", @file);
205 close FILE;
206 &main::daemon_log("INFO: wrote new configuration file: $chrony_file", 5);
208 # Restart chrony deamon
209 my $res = qx(/etc/init.d/chrony force-reload);
210 &main::daemon_log("INFO: restart chrony daemon: $res", 5);
212 return;
213 }
216 sub new_ldap_config {
217 my ($msg, $msg_hash) = @_ ;
219 if( $ldap_enabled != 1 ) {
220 return;
221 }
223 my $element;
224 my @ldap_uris;
225 my $ldap_base;
226 my @ldap_options;
227 my @pam_options;
228 my @nss_options;
229 my $goto_admin;
230 my $goto_secret;
231 my $admin_base= "";
232 my $department= "";
233 my $release= "";
234 my $unit_tag;
236 # Transform input into array
237 while ( my ($key, $value) = each(%$msg_hash) ) {
238 if ($key =~ /^(source|target|header)$/) {
239 next;
240 }
242 foreach $element (@$value) {
243 if ($key =~ /^ldap_uri$/) {
244 push (@ldap_uris, $element);
245 next;
246 }
247 if ($key =~ /^ldap_base$/) {
248 $ldap_base= $element;
249 next;
250 }
251 if ($key =~ /^goto_admin$/) {
252 $goto_admin= $element;
253 next;
254 }
255 if ($key =~ /^goto_secret$/) {
256 $goto_secret= $element;
257 next;
258 }
259 if ($key =~ /^ldap_cfg$/) {
260 push (@ldap_options, "$element");
261 next;
262 }
263 if ($key =~ /^pam_cfg$/) {
264 push (@pam_options, "$element");
265 next;
266 }
267 if ($key =~ /^nss_cfg$/) {
268 push (@nss_options, "$element");
269 next;
270 }
271 if ($key =~ /^admin_base$/) {
272 $admin_base= $element;
273 next;
274 }
275 if ($key =~ /^department$/) {
276 $department= $element;
277 next;
278 }
279 if ($key =~ /^unit_tag$/) {
280 $unit_tag= $element;
281 next;
282 }
283 if ($key =~ /^release$/) {
284 $release= $element;
285 next;
286 }
287 }
288 }
290 # Unit tagging enabled?
291 if (defined $unit_tag){
292 push (@pam_options, "pam_filter gosaUnitTag=$unit_tag");
293 push (@nss_options, "nss_base_passwd $admin_base?sub?gosaUnitTag=$unit_tag");
294 push (@nss_options, "nss_base_group $admin_base?sub?gosaUnitTag=$unit_tag");
295 }
297 # Setup ldap.conf
298 my $file1;
299 my $file2;
300 open(file1, "> $ldap_config");
301 print file1 "# This file was automatically generated by gosa-si-client. Do not change.\n";
302 print file1 "URI";
303 foreach $element (@ldap_uris) {
304 print file1 " $element";
305 }
306 print file1 "\nBASE $ldap_base\n";
307 foreach $element (@ldap_options) {
308 print file1 "$element\n";
309 }
310 close (file1);
311 daemon_log("wrote $ldap_config", 5);
313 # Setup pam_ldap.conf / libnss-ldap.conf
314 open(file1, "> $pam_config");
315 open(file2, "> $nss_config");
316 print file1 "# This file was automatically generated by gosa-si-client. Do not change.\n";
317 print file2 "# This file was automatically generated by gosa-si-client. Do not change.\n";
318 print file1 "uri";
319 print file2 "uri";
320 foreach $element (@ldap_uris) {
321 print file1 " $element";
322 print file2 " $element";
323 }
324 print file1 "\nbase $ldap_base\n";
325 print file2 "\nbase $ldap_base\n";
326 foreach $element (@pam_options) {
327 print file1 "$element\n";
328 }
329 foreach $element (@nss_options) {
330 print file2 "$element\n";
331 }
332 close (file2);
333 daemon_log("wrote $nss_config", 5);
334 close (file1);
335 daemon_log("wrote $pam_config", 5);
337 # Create goto.secrets if told so - for compatibility reasons
338 if (defined $goto_admin){
339 open(file1, "> /etc/goto/secret");
340 close(file1);
341 chown(0,0, "/etc/goto/secret");
342 chmod(0600, "/etc/goto/secret");
343 open(file1, "> /etc/goto/secret");
344 print file1 "GOTOADMIN=\"$goto_admin\"\nGOTOSECRET=\"$goto_secret\"\n";
345 close(file1);
346 daemon_log("wrote /etc/goto/secret", 5);
347 }
349 # Write shell based config
350 my $cfg_name= "/etc/ldap/ldap-shell.conf";
352 # Get first LDAP server
353 my $ldap_server= $ldap_uris[0];
354 $ldap_server=~ s/^ldap:\/\/([^:]+).*$/$1/;
356 open(file1, "> $cfg_name");
357 print file1 "LDAP_BASE=\"$ldap_base\"\n";
358 print file1 "LDAP_SERVER=\"$ldap_server\"\n";
359 print file1 "LDAP_URIS=\"@ldap_uris\"\n";
360 print file1 "ADMIN_BASE=\"$admin_base\"\n";
361 print file1 "DEPARTMENT=\"$department\"\n";
362 print file1 "RELEASE=\"$release\"\n";
363 print file1 "UNIT_TAG=\"".(defined $unit_tag ? "$unit_tag" : "")."\"\n";
364 print file1 "UNIT_TAG_FILTER=\"".(defined $unit_tag ? "(gosaUnitTag=$unit_tag)" : "")."\"\n";
365 close(file1);
366 daemon_log("wrote $cfg_name", 5);
368 # Write offline config
369 if ($offline_enabled){
370 $cfg_name= "/etc/ldap/ldap-offline.conf";
372 # Get first LDAP server
373 open(file1, "> $cfg_name");
374 print file1 "LDAP_BASE=\"$ldap_base\"\n";
375 print file1 "LDAP_SERVER=\"127.0.0.1\"\n";
376 print file1 "LDAP_URIS=\"ldap://127.0.0.1\"\n";
377 print file1 "ADMIN_BASE=\"$admin_base\"\n";
378 print file1 "DEPARTMENT=\"$department\"\n";
379 print file1 "RELEASE=\"$release\"\n";
380 print file1 "UNIT_TAG=\"".(defined $unit_tag ? "$unit_tag" : "")."\"\n";
381 print file1 "UNIT_TAG_FILTER=\"".(defined $unit_tag ? "(gosaUnitTag=$unit_tag)" : "")."\"\n";
382 close(file1);
383 daemon_log("wrote $cfg_name", 5);
384 }
386 return;
387 }
390 sub new_key {
391 # my ($msg_hash) = @_ ;
392 my $new_server_key = &main::create_passwd();
394 my $out_hash = &create_xml_hash("new_key", $main::client_address, $main::server_address, $new_server_key);
395 my $out_msg = &create_xml_string($out_hash);
397 # set global $NEW_KEY_FLAG, gosa-si-client cause a reregistering process if no 'confirm_new_key'-msg
398 # comes from gosa-si-server within a given time
401 return $out_msg;
402 }
405 sub confirm_new_key {
406 my ($msg, $msg_hash) = @_ ;
407 my $header = @{$msg_hash->{'header'}}[0];
408 my $target = @{$msg_hash->{'target'}}[0];
409 my $source = @{$msg_hash->{'source'}}[0];
411 &main::daemon_log("confirm new key from $source", 5);
412 return;
414 }
417 sub detect_hardware {
419 &write_to_file('goto-hardware-detection-start', $fai_logpath);
421 my $hwinfo= `which hwinfo`;
422 chomp $hwinfo;
424 if (!(defined($hwinfo) && length($hwinfo) > 0)) {
425 &main::daemon_log("ERROR: hwinfo was not found in \$PATH! Hardware detection will not work!", 1);
426 return;
427 }
429 my $result= {
430 gotoHardwareChecksum => &main::generate_hw_digest(),
431 macAddress => $client_mac_address,
432 gotoXMonitor => "",
433 gotoXDriver => "",
434 gotoXMouseType => "",
435 gotoXMouseport => "",
436 gotoXkbModel => "",
437 gotoXHsync => "",
438 gotoXVsync => "",
439 gotoXResolution => "",
440 ghUsbSupport => "",
441 gotoSndModule => "",
442 ghGfxAdapter => "",
443 ghNetNic => "",
444 ghSoundAdapter => "",
445 ghMemSize => "",
446 ghCpuType => "",
447 gotoModules => [],
448 ghIdeDev => [],
449 ghScsiDev => [],
450 };
452 &main::daemon_log("Starting hardware detection", 4);
453 my $gfxcard= `$hwinfo --gfxcard`;
454 my $primary_adapter= $1 if $gfxcard =~ /^Primary display adapter:\s#(\d+)\n/m;
455 if(defined($primary_adapter)) {
456 ($result->{ghGfxAdapter}, $result->{gotoXDriver}) = ($1,$2) if
457 $gfxcard =~ /$primary_adapter:.*?Model:\s\"([^\"]*)\".*?Server Module:\s(\w*).*?\n\n/s;
458 }
459 my $monitor= `$hwinfo --monitor`;
460 my $primary_monitor= $1 if $monitor =~ /^(\d*):.*/m;
461 if(defined($primary_monitor)) {
462 ($result->{gotoXMonitor}, $result->{gotoXResolution}, $result->{gotoXVsync}, $result->{gotoXHsync})= ($1,$2,$3,$4) if
463 $monitor =~ /$primary_monitor:\s.*?Model:\s\"(.*?)\".*?Max\.\sResolution:\s([0-9x]*).*?Vert\.\sSync\sRange:\s([\d\-]*)\sHz.*?Hor\.\sSync\sRange:\s([\d\-]*)\skHz.*/s;
464 }
466 if(length($result->{gotoXHsync}) == 0) {
467 # set default values
468 $result->{gotoXHsync} = "30+50";
469 $result->{gotoXVsync} = "30+90";
470 }
472 my $mouse= `$hwinfo --mouse`;
473 my $primary_mouse= $1 if $mouse =~ /^(\d*):.*/m;
474 if(defined($primary_mouse)) {
475 ($result->{gotoXMouseport}, $result->{gotoXMouseType}) = ($1,$2) if
476 $mouse =~ /$primary_mouse:\s.*?Device\sFile:\s(.*?)\s.*?XFree86\sProtocol:\s(.*?)\n.*?/s;
477 }
479 my $sound= `$hwinfo --sound`;
480 my $primary_sound= $1 if $sound =~ /^(\d*):.*/m;
481 if(defined($primary_sound)) {
482 ($result->{ghSoundAdapter}, $result->{gotoSndModule})= ($1,$2) if
483 $sound =~ /$primary_sound:\s.*?Model:\s\"(.*?)\".*?Driver\sModules:\s\"(.*?)\".*/s;
484 }
486 my $netcard= `hwinfo --netcard`;
487 my $primary_netcard= $1 if $netcard =~ /^(\d*):.*/m;
488 if(defined($primary_netcard)) {
489 $result->{ghNetNic}= $1 if $netcard =~ /$primary_netcard:\s.*?Model:\s\"(.*?)\".*/s;
490 }
492 my $keyboard= `hwinfo --keyboard`;
493 my $primary_keyboard= $1 if $keyboard =~ /^(\d*):.*/m;
494 if(defined($primary_keyboard)) {
495 $result->{gotoXkbModel}= $1 if $keyboard =~ /$primary_keyboard:\s.*?XkbModel:\s(.*?)\n.*/s;
496 }
498 $result->{ghCpuType}= sprintf "%s / %s - %s",
499 `cat /proc/cpuinfo` =~ /.*?vendor_id\s+:\s(.*?)\n.*?model\sname\s+:\s(.*?)\n.*?cpu\sMHz\s+:\s(.*?)\n.*/s;
500 $result->{ghMemSize}= $1 if `cat /proc/meminfo` =~ /^MemTotal:\s+(.*?)\skB.*/s;
502 my @gotoModules=();
503 for my $line(`lsmod`) {
504 if (($line =~ /^Module.*$/) or ($line =~ /^snd.*$/)) {
505 next;
506 } else {
507 push @gotoModules, $1 if $line =~ /^(\w*).*$/
508 }
509 }
510 my %seen = ();
512 # Remove duplicates and save
513 push @{$result->{gotoModules}}, grep { ! $seen{$_} ++ } @gotoModules;
515 $result->{ghUsbSupport} = (-d "/proc/bus/usb")?"true":"false";
517 foreach my $device(`hwinfo --ide` =~ /^.*?Model:\s\"(.*?)\".*$/mg) {
518 push @{$result->{ghIdeDev}}, $device;
519 }
521 foreach my $device(`hwinfo --scsi` =~ /^.*?Model:\s\"(.*?)\".*$/mg) {
522 push @{$result->{ghScsiDev}}, $device;
523 }
525 &main::daemon_log("Hardware detection done!", 4);
527 &write_to_file('goto-hardware-detection-stop', $fai_logpath);
529 return &main::send_msg_hash_to_target(
530 &main::create_xml_hash("detected_hardware", $main::client_address, $main::server_address, $result),
531 $main::server_address,
532 $main::server_key,
533 );
534 }
537 sub ping {
538 my ($msg, $msg_hash) = @_ ;
539 my $header = @{$msg_hash->{'header'}}[0];
540 my $source = @{$msg_hash->{'source'}}[0];
541 my $target = @{$msg_hash->{'target'}}[0];
542 my $session_id = @{$msg_hash->{'session_id'}}[0];
543 my $out_msg;
544 my $out_hash;
546 # there is no session_id so send 'got_new_ping'-msg
547 if (not defined $session_id) {
548 $out_hash = &main::create_xml_hash("got_new_ping", $target, $source);
550 # there is a session_id so send 'answer_$session_id'-msg because there is
551 # a process waiting for this message
552 } else {
553 $out_hash = &main::create_xml_hash("answer_$session_id", $target, $source);
554 &add_content2xml_hash($out_hash, "session_id", $session_id);
555 }
557 my $forward_to_gosa = @{$msg_hash->{'forward_to_gosa'}}[0];
558 if (defined $forward_to_gosa) {
559 &add_content2xml_hash($out_hash, "forward_to_gosa", $forward_to_gosa);
560 }
561 $out_msg = &main::create_xml_string($out_hash);
562 return $out_msg;
564 }
566 1;