1 package GOSA::GosaSupportDaemon;
3 use Exporter;
4 @ISA = qw(Exporter);
5 my @functions = (
6 "create_passwd",
7 "create_xml_hash",
8 "createXmlHash",
9 "myXmlHashToString",
10 "get_content_from_xml_hash",
11 "add_content2xml_hash",
12 "create_xml_string",
13 "transform_msg2hash",
14 "get_time",
15 "get_utc_time",
16 "build_msg",
17 "db_res2xml",
18 "db_res2si_msg",
19 "get_where_statement",
20 "get_select_statement",
21 "get_update_statement",
22 "get_limit_statement",
23 "get_orderby_statement",
24 "get_dns_domains",
25 "get_server_addresses",
26 "get_logged_in_users",
27 "import_events",
28 "del_doubles",
29 "get_ip",
30 "get_interface_for_ip",
31 "get_interfaces",
32 "get_mac_for_interface",
33 "get_local_ip_for_remote_ip",
34 "is_local",
35 "run_as",
36 "inform_all_other_si_server",
37 "read_configfile",
38 "check_opsi_res",
39 "calc_timestamp",
40 "opsi_callobj2string",
41 );
42 @EXPORT = @functions;
43 use strict;
44 use warnings;
45 use IO::Socket::INET;
46 use Crypt::Rijndael;
47 use Digest::MD5 qw(md5 md5_hex md5_base64);
48 use MIME::Base64;
49 use XML::Quote qw(:all);
50 use XML::Simple;
51 use Data::Dumper;
52 use Net::DNS;
53 use DateTime;
55 my $op_hash = {
56 'eq' => '=',
57 'ne' => '!=',
58 'ge' => '>=',
59 'gt' => '>',
60 'le' => '<=',
61 'lt' => '<',
62 'like' => ' LIKE ',
63 };
66 BEGIN {}
68 END {}
70 ### Start ######################################################################
72 our $xml = new XML::Simple();
74 sub daemon_log {
75 my ($msg, $level) = @_ ;
76 &main::daemon_log($msg, $level);
77 return;
78 }
81 sub create_passwd {
82 my $new_passwd = "";
83 for(my $i=0; $i<31; $i++) {
84 $new_passwd .= ("a".."z","A".."Z",0..9)[int(rand(62))]
85 }
87 return $new_passwd;
88 }
91 sub del_doubles {
92 my %all;
93 $all{$_}=0 for @_;
94 return (keys %all);
95 }
98 #=== FUNCTION ================================================================
99 # NAME: create_xml_hash
100 # PARAMETERS: header - string - message header (required)
101 # source - string - where the message come from (required)
102 # target - string - where the message should go to (required)
103 # [header_value] - string - something usefull (optional)
104 # RETURNS: hash - hash - nomen est omen
105 # DESCRIPTION: creates a key-value hash, all values are stored in a array
106 #===============================================================================
107 sub create_xml_hash {
108 my ($header, $source, $target, $header_value) = @_;
109 my $hash = {
110 header => [$header],
111 source => [$source],
112 target => [$target],
113 $header => [$header_value],
114 };
115 return $hash
116 }
118 sub createXmlHash {
119 my ($header, $source, $target) = @_;
120 return { header=>$header, source=>$source, target=>$target};
121 }
123 sub _transformHashToString {
124 my ($hash) = @_;
125 my $s = "";
127 while (my ($tag, $content) = each(%$hash)) {
129 if (ref $content eq "HASH") {
130 $s .= "<$tag>".&_transformHashToString($content)."</$tag>";
131 } elsif ( ref $content eq "ARRAY") {
132 $s .= &_transformArrayToString($tag, $content);
133 } else {
134 $content = defined $content ? $content : "";
135 $s .= "<$tag>".&xml_quote($content)."</$tag>";
136 }
137 }
138 return $s;
139 }
141 sub _transformArrayToString {
142 my ($tag, $contentArray) = @_;
143 my $s = "";
144 foreach my $content (@$contentArray) {
145 if (ref $content eq "HASH") {
146 $s .= "<$tag>".&_transformHashToString($content)."</$tag>";
147 } else {
148 $content = defined $content ? $content : "";
149 $s .= "<$tag>".&xml_quote($content)."</$tag>";
150 }
151 }
152 return $s;
153 }
156 #=== FUNCTION ================================================================
157 # NAME: myXmlHashToString
158 # PARAMETERS: xml_hash - hash - hash from function createXmlHash
159 # RETURNS: xml_string - string - xml string representation of the hash
160 # DESCRIPTION: Transforms the given hash to a xml wellformed string. I.e.:
161 # {
162 # 'header' => 'a'
163 # 'source' => 'c',
164 # 'target' => 'b',
165 # 'hit' => [ '1',
166 # '2',
167 # {
168 # 'hit31' => 'ABC',
169 # 'hit32' => 'XYZ'
170 # }
171 # ],
172 # 'res0' => {
173 # 'res1' => {
174 # 'res2' => 'result'
175 # }
176 # },
177 # };
178 #
179 # will be transformed to
180 # <xml>
181 # <header>a</header>
182 # <source>c</source>
183 # <target>b</target>
184 # <hit>1</hit>
185 # <hit>2</hit>
186 # <hit>
187 # <hit31>ABC</hit31>
188 # <hit32>XYZ</hit32>
189 # </hit>
190 # <res0>
191 # <res1>
192 # <res2>result</res2>
193 # </res1>
194 # </res0>
195 # </xml>
196 #
197 #===============================================================================
198 sub myXmlHashToString {
199 my ($hash) = @_;
200 return "<xml>".&_transformHashToString($hash)."</xml>";
201 }
204 #=== FUNCTION ================================================================
205 # NAME: create_xml_string
206 # PARAMETERS: xml_hash - hash - hash from function create_xml_hash
207 # RETURNS: xml_string - string - xml string representation of the hash
208 # DESCRIPTION: transform the hash to a string using XML::Simple module
209 #===============================================================================
210 sub create_xml_string {
211 my ($xml_hash) = @_ ;
212 my $xml_string = $xml->XMLout($xml_hash, RootName => 'xml');
213 #$xml_string =~ s/[\n]+//g;
214 #daemon_log("create_xml_string:",7);
215 #daemon_log("$xml_string\n", 7);
216 return $xml_string;
217 }
220 sub transform_msg2hash {
221 my ($msg) = @_ ;
222 my $hash = $xml->XMLin($msg, ForceArray=>1);
224 # xml tags without a content are created as an empty hash
225 # substitute it with an empty list
226 eval {
227 while( my ($xml_tag, $xml_content) = each %{ $hash } ) {
228 if( 1 == @{ $xml_content } ) {
229 # there is only one element in xml_content list ...
230 my $element = @{ $xml_content }[0];
231 if( ref($element) eq "HASH" ) {
232 # and this element is an hash ...
233 my $len_element = keys %{ $element };
234 if( $len_element == 0 ) {
235 # and this hash is empty, then substitute the xml_content
236 # with an empty string in list
237 $hash->{$xml_tag} = [ "none" ];
238 }
239 }
240 }
241 }
242 };
243 if( $@ ) {
244 $hash = undef;
245 }
247 return $hash;
248 }
251 #=== FUNCTION ================================================================
252 # NAME: add_content2xml_hash
253 # PARAMETERS: xml_ref - ref - reference to a hash from function create_xml_hash
254 # element - string - key for the hash
255 # content - string - value for the hash
256 # RETURNS: nothing
257 # DESCRIPTION: add key-value pair to xml_ref, if key alread exists,
258 # then append value to list
259 #===============================================================================
260 sub add_content2xml_hash {
261 my ($xml_ref, $element, $content) = @_;
262 if(not exists $$xml_ref{$element} ) {
263 $$xml_ref{$element} = [];
264 }
265 my $tmp = $$xml_ref{$element};
266 push(@$tmp, $content);
267 return;
268 }
271 sub get_time {
272 my ($seconds, $minutes, $hours, $monthday, $month,
273 $year, $weekday, $yearday, $sommertime) = localtime;
274 $hours = $hours < 10 ? $hours = "0".$hours : $hours;
275 $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
276 $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
277 $month+=1;
278 $month = $month < 10 ? $month = "0".$month : $month;
279 $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
280 $year+=1900;
281 return "$year$month$monthday$hours$minutes$seconds";
282 }
285 sub get_utc_time {
286 my $utc_time = qx(date --utc +%Y%m%d%H%M%S);
287 $utc_time =~ s/\s$//;
288 return $utc_time;
289 }
292 #=== FUNCTION ================================================================
293 # NAME: build_msg
294 # DESCRIPTION: Send a message to a destination
295 # PARAMETERS: [header] Name of the header
296 # [from] sender ip
297 # [to] recipient ip
298 # [data] Hash containing additional attributes for the xml
299 # package
300 # RETURNS: nothing
301 #===============================================================================
302 sub build_msg ($$$$) {
303 my ($header, $from, $to, $data) = @_;
305 # data is of form, i.e.
306 # %data= ('ip' => $address, 'mac' => $mac);
308 my $out_hash = &create_xml_hash($header, $from, $to);
310 while ( my ($key, $value) = each(%$data) ) {
311 if(ref($value) eq 'ARRAY'){
312 map(&add_content2xml_hash($out_hash, $key, $_), @$value);
313 } else {
314 &add_content2xml_hash($out_hash, $key, $value);
315 }
316 }
317 my $out_msg = &create_xml_string($out_hash);
318 return $out_msg;
319 }
322 sub db_res2xml {
323 my ($db_res) = @_ ;
324 my $xml = "";
326 my $len_db_res= keys %{$db_res};
327 for( my $i= 1; $i<= $len_db_res; $i++ ) {
328 $xml .= "\n<answer$i>";
329 my $hash= $db_res->{$i};
330 while ( my ($column_name, $column_value) = each %{$hash} ) {
331 $xml .= "<$column_name>";
332 my $xml_content;
333 if( $column_name eq "xmlmessage" ) {
334 $xml_content = &encode_base64($column_value);
335 } else {
336 $xml_content = defined $column_value ? $column_value : "";
337 }
338 $xml .= $xml_content;
339 $xml .= "</$column_name>";
340 }
341 $xml .= "</answer$i>";
343 }
345 return $xml;
346 }
349 sub db_res2si_msg {
350 my ($db_res, $header, $target, $source) = @_;
352 my $si_msg = "<xml>";
353 $si_msg .= "<header>$header</header>";
354 $si_msg .= "<source>$source</source>";
355 $si_msg .= "<target>$target</target>";
356 $si_msg .= &db_res2xml;
357 $si_msg .= "</xml>";
358 }
361 sub get_where_statement {
362 my ($msg, $msg_hash) = @_;
363 my $error= 0;
365 my $clause_str= "";
366 if( (not exists $msg_hash->{'where'}) || (not exists @{$msg_hash->{'where'}}[0]->{'clause'}) ) {
367 $error++;
368 }
370 if( $error == 0 ) {
371 my @clause_l;
372 my @where = @{@{$msg_hash->{'where'}}[0]->{'clause'}};
373 foreach my $clause (@where) {
374 my $connector = $clause->{'connector'}[0];
375 if( not defined $connector ) { $connector = "AND"; }
376 $connector = uc($connector);
377 delete($clause->{'connector'});
379 my @phrase_l ;
380 foreach my $phrase (@{$clause->{'phrase'}}) {
381 my $operator = "=";
382 if( exists $phrase->{'operator'} ) {
383 my $op = $op_hash->{$phrase->{'operator'}[0]};
384 if( not defined $op ) {
385 &main::daemon_log("ERROR: Can not translate operator '$operator' in where-".
386 "statement to sql valid syntax. Please use 'eq', ".
387 "'ne', 'ge', 'gt', 'le', 'lt' in xml message\n", 1);
388 &main::daemon_log($msg, 8);
389 $op = "=";
390 }
391 $operator = $op;
392 delete($phrase->{'operator'});
393 }
395 my @xml_tags = keys %{$phrase};
396 my $tag = $xml_tags[0];
397 my $val = $phrase->{$tag}[0];
398 if( ref($val) eq "HASH" ) { next; } # empty xml-tags should not appear in where statement
400 # integer columns do not have to have single quotes besides the value
401 if ($tag eq "id") {
402 push(@phrase_l, "$tag$operator$val");
403 } else {
404 push(@phrase_l, "$tag$operator'$val'");
405 }
406 }
408 if (not 0 == @phrase_l) {
409 my $clause_str .= join(" $connector ", @phrase_l);
410 push(@clause_l, "($clause_str)");
411 }
412 }
414 if( not 0 == @clause_l ) {
415 $clause_str = join(" AND ", @clause_l);
416 $clause_str = "WHERE ($clause_str) ";
417 }
418 }
420 return $clause_str;
421 }
423 sub get_select_statement {
424 my ($msg, $msg_hash)= @_;
425 my $select = "*";
426 if( exists $msg_hash->{'select'} ) {
427 my $select_l = \@{$msg_hash->{'select'}};
428 $select = join(', ', @{$select_l});
429 }
430 return $select;
431 }
434 sub get_update_statement {
435 my ($msg, $msg_hash) = @_;
436 my $error= 0;
437 my $update_str= "";
438 my @update_l;
440 if( not exists $msg_hash->{'update'} ) { $error++; };
442 if( $error == 0 ) {
443 my $update= @{$msg_hash->{'update'}}[0];
444 while( my ($tag, $val) = each %{$update} ) {
445 my $val= @{$update->{$tag}}[0];
446 push(@update_l, "$tag='$val'");
447 }
448 if( 0 == @update_l ) { $error++; };
449 }
451 if( $error == 0 ) {
452 $update_str= join(', ', @update_l);
453 $update_str= "SET $update_str ";
454 }
456 return $update_str;
457 }
459 sub get_limit_statement {
460 my ($msg, $msg_hash)= @_;
461 my $error= 0;
462 my $limit_str = "";
463 my ($from, $to);
465 if( not exists $msg_hash->{'limit'} ) { $error++; };
467 if( $error == 0 ) {
468 eval {
469 my $limit= @{$msg_hash->{'limit'}}[0];
470 $from= @{$limit->{'from'}}[0];
471 $to= @{$limit->{'to'}}[0];
472 };
473 if( $@ ) {
474 $error++;
475 }
476 }
478 if( $error == 0 ) {
479 $limit_str= "LIMIT $from, $to";
480 }
482 return $limit_str;
483 }
485 sub get_orderby_statement {
486 my ($msg, $msg_hash)= @_;
487 my $error= 0;
488 my $order_str= "";
489 my $order;
491 if( not exists $msg_hash->{'orderby'} ) { $error++; };
493 if( $error == 0) {
494 eval {
495 $order= @{$msg_hash->{'orderby'}}[0];
496 };
497 if( $@ ) {
498 $error++;
499 }
500 }
502 if( $error == 0 ) {
503 $order_str= "ORDER BY $order";
504 }
506 return $order_str;
507 }
509 sub get_dns_domains() {
510 my $line;
511 my @searches;
512 open(RESOLV, "</etc/resolv.conf") or return @searches;
513 while(<RESOLV>){
514 $line= $_;
515 chomp $line;
516 $line =~ s/^\s+//;
517 $line =~ s/\s+$//;
518 $line =~ s/\s+/ /;
519 if ($line =~ /^domain (.*)$/ ){
520 push(@searches, $1);
521 } elsif ($line =~ /^search (.*)$/ ){
522 push(@searches, split(/ /, $1));
523 }
524 }
525 close(RESOLV);
527 my %tmp = map { $_ => 1 } @searches;
528 @searches = sort keys %tmp;
530 return @searches;
531 }
534 sub get_server_addresses {
535 my $domain= shift;
536 my @result;
537 my $error_string;
539 my $error = 0;
540 my $res = Net::DNS::Resolver->new;
541 my $query = $res->send("_gosa-si._tcp.".$domain, "SRV");
542 my @hits;
544 if ($query) {
545 foreach my $rr ($query->answer) {
546 push(@hits, $rr->target.":".$rr->port);
547 }
548 }
549 else {
550 $error_string = "determination of '_gosa-si._tcp' server in domain '$domain' failed: ".$res->errorstring;
551 $error++;
552 }
554 if( $error == 0 ) {
555 foreach my $hit (@hits) {
556 my ($hit_name, $hit_port) = split(/:/, $hit);
557 chomp($hit_name);
558 chomp($hit_port);
560 my $address_query = $res->send($hit_name);
561 if( 1 == length($address_query->answer) ) {
562 foreach my $rr ($address_query->answer) {
563 push(@result, $rr->address.":".$hit_port);
564 }
565 }
566 }
567 }
569 return \@result, $error_string;
570 }
573 sub get_logged_in_users {
574 my $result = qx(/usr/bin/w -hs);
575 my @res_lines;
577 if( defined $result ) {
578 chomp($result);
579 @res_lines = split("\n", $result);
580 }
582 my @logged_in_user_list;
583 foreach my $line (@res_lines) {
584 chomp($line);
585 my @line_parts = split(/\s+/, $line);
586 push(@logged_in_user_list, $line_parts[0]);
587 }
589 return @logged_in_user_list;
591 }
594 sub import_events {
595 my ($event_dir) = @_;
596 my $event_hash;
597 my $error = 0;
598 my @result = ();
599 if (not -e $event_dir) {
600 $error++;
601 push(@result, "cannot find directory or directory is not readable: $event_dir");
602 }
604 my $DIR;
605 if ($error == 0) {
606 opendir ($DIR, $event_dir) or do {
607 $error++;
608 push(@result, "cannot open directory '$event_dir' for reading: $!\n");
609 }
610 }
612 if ($error == 0) {
613 while (defined (my $event = readdir ($DIR))) {
614 if( $event eq "." || $event eq ".." || ($event =~ /^\.pm$/)) { next; }
616 # Check config file to exclude disabled event plugins (i.e. Opsi)
617 if ($event eq "opsi_com.pm" && $main::opsi_enabled ne "true") {
618 &main::daemon_log("0 WARNING: opsi-module is installed but not enabled in config file, please set under section '[OPSI]': 'enabled=true'", 3);
619 next;
620 }
622 # try to import event module
623 eval{ require $event; };
624 if( $@ ) {
625 $error++;
626 #push(@result, "import of event module '$event' failed: $@");
627 #next;
629 &main::daemon_log("ERROR: Import of event module '$event' failed: $@",1);
630 exit(1);
631 }
633 # fetch all single events
634 $event =~ /(\S*?).pm$/;
635 my $event_module = $1;
636 my $events_l = eval( $1."::get_events()") ;
637 foreach my $event_name (@{$events_l}) {
638 $event_hash->{$event_module}->{$event_name} = "";
639 }
640 my $events_string = join( ", ", @{$events_l});
641 push(@result, "import of event module '$event' succeed: $events_string");
642 }
644 close $DIR;
645 }
647 return ($error, \@result, $event_hash);
649 }
652 #=== FUNCTION ================================================================
653 # NAME: get_ip
654 # PARAMETERS: interface name (i.e. eth0)
655 # RETURNS: (ip address)
656 # DESCRIPTION: Uses ioctl to get ip address directly from system.
657 #===============================================================================
658 sub get_ip {
659 my $ifreq= shift;
660 my $result= "";
661 my $SIOCGIFADDR= 0x8915; # man 2 ioctl_list
662 my $proto= getprotobyname('ip');
664 socket SOCKET, PF_INET, SOCK_DGRAM, $proto
665 or die "socket: $!";
667 if(ioctl SOCKET, $SIOCGIFADDR, $ifreq) {
668 my ($if, $sin) = unpack 'a16 a16', $ifreq;
669 my ($port, $addr) = sockaddr_in $sin;
670 my $ip = inet_ntoa $addr;
672 if ($ip && length($ip) > 0) {
673 $result = $ip;
674 }
675 }
677 return $result;
678 }
681 #=== FUNCTION ================================================================
682 # NAME: get_interface_for_ip
683 # PARAMETERS: ip address (i.e. 192.168.0.1)
684 # RETURNS: array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
685 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
686 #===============================================================================
687 sub get_interface_for_ip {
688 my $result;
689 my $ip= shift;
691 if($ip =~ /^[a-z]/i) {
692 my $ip_address = inet_ntoa(scalar gethostbyname($ip));
693 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
694 # Write ip address to $source variable
695 $ip = $ip_address;
696 }
697 }
699 if ($ip && length($ip) > 0) {
700 my @ifs= &get_interfaces();
701 if($ip eq "0.0.0.0") {
702 $result = "all";
703 } else {
704 foreach (@ifs) {
705 my $if=$_;
706 if(&get_ip($if) eq $ip) {
707 $result = $if;
708 }
709 }
710 }
711 }
712 return $result;
713 }
715 #=== FUNCTION ================================================================
716 # NAME: get_interfaces
717 # PARAMETERS: none
718 # RETURNS: (list of interfaces)
719 # DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
720 #===============================================================================
721 sub get_interfaces {
722 my @result;
723 my $PROC_NET_DEV= ('/proc/net/dev');
725 open(PROC_NET_DEV, "<$PROC_NET_DEV")
726 or die "Could not open $PROC_NET_DEV";
728 my @ifs = <PROC_NET_DEV>;
730 close(PROC_NET_DEV);
732 # Eat first two line
733 shift @ifs;
734 shift @ifs;
736 chomp @ifs;
737 foreach my $line(@ifs) {
738 my $if= (split /:/, $line)[0];
739 $if =~ s/^\s+//;
740 push @result, $if;
741 }
743 return @result;
744 }
746 sub get_local_ip_for_remote_ip {
747 my $remote_ip= shift;
748 my $result="0.0.0.0";
750 if($remote_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) {
751 my $PROC_NET_ROUTE= ('/proc/net/route');
753 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
754 or die "Could not open $PROC_NET_ROUTE";
756 my @ifs = <PROC_NET_ROUTE>;
758 close(PROC_NET_ROUTE);
760 # Eat header line
761 shift @ifs;
762 chomp @ifs;
763 my $iffallback = '';
765 # linux-vserver might have * as Iface due to hidden interfaces, set a default
766 foreach my $line(@ifs) {
767 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
768 if ($Iface =~ m/^[^\*]+$/) {
769 $iffallback = $Iface;
770 }
771 }
773 foreach my $line(@ifs) {
774 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
775 my $destination;
776 my $mask;
777 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
778 if ($Iface =~ m/^[^\*]+$/) {
779 $iffallback = $Iface;
780 }
781 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
782 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
783 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
784 if(new NetAddr::IP($remote_ip)->within(new NetAddr::IP($destination, $mask))) {
785 # destination matches route, save mac and exit
786 #$result= &get_ip($Iface);
788 if ($Iface =~ m/^\*$/ ) {
789 $result= &get_ip($iffallback);
790 } else {
791 $result= &get_ip($Iface);
792 }
793 last;
794 }
795 }
796 }
798 return $result;
799 }
802 sub get_mac_for_interface {
803 my $ifreq= shift;
804 my $result;
805 if ($ifreq && length($ifreq) > 0) {
806 if($ifreq eq "all") {
807 $result = "00:00:00:00:00:00";
808 } else {
809 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
811 # A configured MAC Address should always override a guessed value
812 if ($main::server_mac_address and length($main::server_mac_address) > 0) {
813 $result= $main::server_mac_address;
814 }
816 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
817 or die "socket: $!";
819 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
820 my ($if, $mac)= unpack 'h36 H12', $ifreq;
822 if (length($mac) > 0) {
823 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
824 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
825 $result = $mac;
826 }
827 }
828 }
829 }
830 return $result;
831 }
834 #=== FUNCTION ================================================================
835 # NAME: is_local
836 # PARAMETERS: Server Address
837 # RETURNS: true if Server Address is on this host, false otherwise
838 # DESCRIPTION: Checks all interface addresses, stops on first match
839 #===============================================================================
840 sub is_local {
841 my $server_address = shift || "";
842 my $result = 0;
844 my $server_ip = $1 if $server_address =~ /^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}):\d{1,6}$/;
846 if(defined($server_ip) && length($server_ip) > 0) {
847 foreach my $interface(&get_interfaces()) {
848 my $ip_address= &get_ip($interface);
849 if($ip_address eq $server_ip) {
850 $result = 1;
851 last;
852 }
853 }
854 }
856 return $result;
857 }
860 #=== FUNCTION ================================================================
861 # NAME: run_as
862 # PARAMETERS: uid, command
863 # RETURNS: hash with keys 'resultCode' = resultCode of command and
864 # 'output' = program output
865 # DESCRIPTION: Runs command as uid using the sudo utility.
866 #===============================================================================
867 sub run_as {
868 my ($uid, $command) = @_;
869 my $sudo_cmd = `which sudo`;
870 chomp($sudo_cmd);
871 if(! -x $sudo_cmd) {
872 &main::daemon_log("ERROR: The sudo utility is not available! Please fix this!");
873 }
874 my $cmd_line= "$sudo_cmd su - $uid -c '$command'";
875 open(PIPE, "$cmd_line |");
876 my $result = {'command' => $cmd_line};
877 push @{$result->{'output'}}, <PIPE>;
878 close(PIPE);
879 my $exit_value = $? >> 8;
880 $result->{'resultCode'} = $exit_value;
881 return $result;
882 }
885 #=== FUNCTION ================================================================
886 # NAME: inform_other_si_server
887 # PARAMETERS: message
888 # RETURNS: nothing
889 # DESCRIPTION: Sends message to all other SI-server found in known_server_db.
890 #===============================================================================
891 sub inform_all_other_si_server {
892 my ($msg) = @_;
894 # determine all other si-server from known_server_db
895 my $sql_statement= "SELECT * FROM $main::known_server_tn";
896 my $res = $main::known_server_db->select_dbentry( $sql_statement );
898 while( my ($hit_num, $hit) = each %$res ) {
899 my $act_target_address = $hit->{hostname};
900 my $act_target_key = $hit->{hostkey};
902 # determine the source address corresponding to the actual target address
903 my ($act_target_ip, $act_target_port) = split(/:/, $act_target_address);
904 my $act_source_address = &main::get_local_ip_for_remote_ip($act_target_ip).":$act_target_port";
906 # fill into message the correct target and source addresses
907 my $act_msg = $msg;
908 $act_msg =~ s/<target>\w*<\/target>/<target>$act_target_address<\/target>/g;
909 $act_msg =~ s/<source>\w*<\/source>/<source>$act_source_address<\/source>/g;
911 # send message to the target
912 &main::send_msg_to_target($act_msg, $act_target_address, $act_target_key, "foreign_job_updates" , "J");
913 }
915 return;
916 }
919 sub read_configfile {
920 my ($cfg_file, %cfg_defaults) = @_ ;
921 my $cfg;
922 if( defined( $cfg_file) && ( (-s $cfg_file) > 0 )) {
923 if( -r $cfg_file ) {
924 $cfg = Config::IniFiles->new( -file => $cfg_file, -nocase => 1 );
925 } else {
926 print STDERR "Couldn't read config file!";
927 }
928 } else {
929 $cfg = Config::IniFiles->new() ;
930 }
931 foreach my $section (keys %cfg_defaults) {
932 foreach my $param (keys %{$cfg_defaults{ $section }}) {
933 my $pinfo = $cfg_defaults{ $section }{ $param };
934 ${@$pinfo[ 0 ]} = $cfg->val( $section, $param, @$pinfo[ 1 ] );
935 }
936 }
937 }
940 sub check_opsi_res {
941 my $res= shift;
943 if($res) {
944 if ($res->is_error) {
945 my $error_string;
946 if (ref $res->error_message eq "HASH") {
947 # for different versions
948 $error_string = $res->error_message->{'message'};
949 $_ = $res->error_message->{'message'};
950 } else {
951 # for different versions
952 $error_string = $res->error_message;
953 $_ = $res->error_message;
954 }
955 return 1, $error_string;
956 }
957 } else {
958 # for different versions
959 $_ = $main::opsi_client->status_line;
960 return 1, $main::opsi_client->status_line;
961 }
962 return 0;
963 }
965 sub calc_timestamp {
966 my ($timestamp, $operation, $value, $entity) = @_ ;
967 $entity = defined $entity ? $entity : "seconds";
968 my $res_timestamp = 0;
970 $value = int($value);
971 $timestamp = int($timestamp);
972 $timestamp =~ /(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)/;
973 my $dt = DateTime->new( year => $1,
974 month => $2,
975 day => $3,
976 hour => $4,
977 minute => $5,
978 second => $6,
979 );
981 if ($operation eq "plus" || $operation eq "+") {
982 $dt->add($entity => $value);
983 $res_timestamp = $dt->ymd('').$dt->hms('');
984 }
986 if ($operation eq "minus" || $operation eq "-") {
987 $dt->subtract($entity => $value);
988 $res_timestamp = $dt->ymd('').$dt->hms('');
989 }
991 return $res_timestamp;
992 }
994 sub opsi_callobj2string {
995 my ($callobj) = @_;
996 my @callobj_string;
997 while(my ($key, $value) = each(%$callobj)) {
998 my $value_string = "";
999 if (ref($value) eq "ARRAY") {
1000 $value_string = join(",", @$value);
1001 } else {
1002 $value_string = $value;
1003 }
1004 push(@callobj_string, "$key=$value_string")
1005 }
1006 return join(", ", @callobj_string);
1007 }
1009 1;