From: janw <janw@594d385d-05f5-0310-b6e9-bd551577e9d8>
Date: Fri, 18 Jan 2008 07:53:55 +0000 (+0000)
Subject: Added POE Version.
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=7bb1a118f3f05defbb44edba93f7ee97f7b5eeaa;p=gosa.git

Added POE Version.
Need to install 'libpoe-perl'.


git-svn-id: https://oss.gonicus.de/repositories/gosa/trunk@8486 594d385d-05f5-0310-b6e9-bd551577e9d8
---

diff --git a/gosa-si-poe/README b/gosa-si-poe/README
new file mode 100644
index 000000000..e8c755530
--- /dev/null
+++ b/gosa-si-poe/README
@@ -0,0 +1,29 @@
+
+/usr/share/perl5/GOSA
+common:
+- GosaSupportDaemon.pm
+- DBsqlite.pm
+
+/usr/lib/gosa-si/modules
+server-module:
+- ArpPackages.pm
+- GosaPackages.pm
+- ServerPackages.pm
+- FAIPackages.pm
+
+server-events:
+/usr/lib/gosa-si/server
+- ping
+
+client-events:
+/usr/lib/gosa-si/client
+
+config-files: /etc/gosa-si/
+- bus.conf
+- client.conf
+- server.conf
+
+/var/lib/gosa-si
+db's:
+- jobs.db
+
diff --git a/gosa-si-poe/arp-handler-d b/gosa-si-poe/arp-handler-d
new file mode 100755
index 000000000..b8698bcf7
--- /dev/null
+++ b/gosa-si-poe/arp-handler-d
@@ -0,0 +1,563 @@
+#!/usr/bin/perl 
+#===============================================================================
+#
+#         FILE:  gosa-support-daemon.pl
+#
+#        USAGE:  ./.gosa-support-daemon.pl
+#
+#  DESCRIPTION:  
+#
+#      OPTIONS:  ---
+# REQUIREMENTS:  ---
+#         BUGS:  ---
+#        NOTES:  ---
+#       AUTHOR:   Andreas Rettenberger, <rettenberger@gonicus.de>
+#      COMPANY:  Gonicus GmbH, Arnsberg
+#      VERSION:  1.0
+#      CREATED:  21.08.2007 15:13:51 CEST
+#     REVISION:  ---
+#===============================================================================
+
+use strict;
+use warnings;
+use Getopt::Long;
+use Config::IniFiles;
+use POSIX;
+use Fcntl;
+use Net::LDAP;
+use Net::LDAP::LDIF;
+use Net::LDAP::Entry;
+use Switch;
+
+
+my ($verbose, $cfg_file, $log_file, $pid_file, $foreground); 
+my ($timeout, $mailto, $mailfrom, $user, $group);
+my ($procid, $pid, $loglevel);
+my ($fifo_path, $max_process_timeout, $max_process );
+my %daemon_children;
+my ($ldap, $bind_phrase, $password, $ldap_base) ;
+
+$procid = -1 ;
+$foreground = 0 ;
+$verbose = 0 ;
+$max_process = 2 ;
+$max_process_timeout = 1 ;
+$ldap_base = "dc=gonicus,dc=de" ;
+#$ldap_path = "/var/run/gosa-support-daemon.socket";
+#$log_path = "/var/log/gosa-support-daemon.log";
+#$pid_path = "/var/run/gosa-support-daemon/gosa-support-daemon.pid";
+
+#---------------------------------------------------------------------------
+#  parse commandline options
+#---------------------------------------------------------------------------
+Getopt::Long::Configure( "bundling" );
+GetOptions( "v|verbose+" => \$verbose,
+        "c|config=s" => \$cfg_file,
+        "h|help" => \&usage,
+        "l|logfile=s" => \$log_file,
+        "p|pid=s" => \$pid_file,
+        "f|foreground" => \$foreground);
+
+#---------------------------------------------------------------------------
+#  read and set config parameters
+#---------------------------------------------------------------------------
+my %cfg_defaults =
+("Allgemein" =>
+ {"timeout"  => [ \$timeout, 1000 ],
+ "mailto"   => [ \$mailto, 'root@localhost' ],
+ "mailfrom" => [ \$mailfrom, 'sps-daemon@localhost' ],
+ "user"     => [ \$user, "nobody" ],
+ "group"    => [ \$group, "nogroup" ],
+ "fifo_path" => [ \$fifo_path, "/home/rettenbe/gonicus/gosa-support/tmp/fifo" ],
+ "log_file"  => [ \$log_file, "/home/rettenbe/gonicus/gosa-support/tmp/gosa-support.log" ],
+ "pid_file"  => [ \$pid_file, "/home/rettenbe/gonicus/gosa-support/tmp/gosa-support.pid" ],
+ "loglevel"     => [ \$loglevel, 1]
+ },
+"LDAP"  =>
+    {"bind" => [ \$bind_phrase, "cn=ldapadmin,dc=gonicus,dc=de" ],
+     "password" => [ \$password, "tester" ],
+    }
+ );
+&read_configfile;
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  check_cmdline_param
+#      PURPOSE:  checks all commandline parameters to validity
+#   PARAMETERS:  none
+#      RETURNS:  none
+#  DESCRIPTION:  ????
+#       THROWS:  no exceptions
+#     COMMENTS:  none
+#     SEE ALSO:  n/a
+#===============================================================================
+sub check_cmdline_param () {
+    my $err_config;
+    my $err_log;
+    my $err_pid;
+    my $err_counter = 0;
+    if( not defined( $cfg_file)) {
+        $err_config = "please specify a config file";
+        $err_counter += 1;
+    }
+    if( not defined( $log_file)) {
+        $err_log = "please specify a log file";
+        $err_counter += 1;
+    }
+    if( not defined( $pid_file)) {
+        $err_pid = "please specify a pid file";
+        $err_counter += 1;
+    }
+    if( $err_counter > 0 ) {
+        &usage( "", 1 );
+        if( defined( $err_config)) { print STDERR "$err_config\n"}
+        if( defined( $err_log)) { print STDERR "$err_log\n" }
+        if( defined( $err_pid)) { print STDERR "$err_pid\n"}
+        print STDERR "\n";
+        exit( -1 );
+    }
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  check_pid
+#      PURPOSE:  
+#   PARAMETERS:  none
+#      RETURNS:  none
+#  DESCRIPTION:  ????
+#       THROWS:  no exceptions
+#     COMMENTS:  none
+#     SEE ALSO:  n/a
+#===============================================================================
+sub check_pid { 
+    if( open( LOCK_FILE, "<$pid_file") ) {
+        $procid = <LOCK_FILE>;
+        if( defined $procid ) {
+            chomp( $procid );
+            if( -f "/proc/$procid/stat" ) {
+                my($stat) = `cat /proc/$procid/stat` =~ m/$procid \((.+)\).*/;
+                print "\t".$stat."\n";
+                if( "sps-daemon.pl" eq $stat ) {
+                    close( LOCK_FILE );
+                    exit -1;
+                }
+            }
+        }
+        close( LOCK_FILE );
+        unlink( $pid_file );
+    }
+
+    # Try to open PID file
+    if (!sysopen(LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
+        my($msg) = "Couldn't obtain lockfile '$pid_file' ";
+        if (open(LOCK_FILE, "<", $pid_file) && ($pid = <LOCK_FILE>)) {
+            chomp($pid);
+            $msg .= "(PID $pid)\n";
+        } else {
+            $msg .= "(unable to read PID)\n";
+        }
+        if ( ! $foreground ) {
+            daemon_log( $msg."\n");
+        } else {
+            print( STDERR " $msg " );
+        }
+        exit( -1 );
+    }
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  read_configfile
+#      PURPOSE:  read the configuration file and provide the programm with 
+#                parameters
+#   PARAMETERS:  none
+#      RETURNS:  none
+#  DESCRIPTION:  ????
+#       THROWS:  no exceptions
+#     COMMENTS:  none
+#     SEE ALSO:  n/a
+#===============================================================================
+sub read_configfile {
+    my $log_time = localtime(time);
+    my $cfg;
+    if( defined( $cfg_file) && ( length($cfg_file) > 0 )) {
+        if( -r $cfg_file ) { 
+            $cfg = Config::IniFiles->new( -file => $cfg_file ); 
+        } else { 
+            usage( "Couldn't read config file: $cfg_file \n" ); 
+        }
+    } else { 
+        $cfg = Config::IniFiles->new() ; 
+    }
+
+    foreach my $section (keys %cfg_defaults) {      # "Parse" config into values
+        foreach my $param (keys %{$cfg_defaults{ $section }}) {
+            my $pinfo = $cfg_defaults{ $section }{ $param };
+            ${@$pinfo[ 0 ]} = $cfg->val( $section, $param, @$pinfo[ 1 ] );
+        }
+    }
+
+    if(-e $log_file ) { unlink $log_file }
+    daemon_log("$log_time: config file read\n");
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  daemon_log
+#      PURPOSE:  log messages to specified logfile
+#   PARAMETERS:  $msg, $level
+#      RETURNS:  ????
+#  DESCRIPTION:  Takes a message ($msg) and append it to the logfile. The 
+#                standard log-level ($level) is 1. Messages whith higher level
+#                than the verbosity-level (defined by commandline) are printed 
+#                out to commandline. Messages with log-level lower than 2 are 
+#                not logged to logfile!
+#       THROWS:  no exceptions
+#     COMMENTS:  none
+#     SEE ALSO:  n/a
+#===============================================================================
+sub daemon_log {
+    my( $msg, $level ) = @_;
+    if(not defined $msg) { return } 
+    if(not defined $level) { $level = 1 }
+    open(LOG_HANDLE, ">>$log_file");
+    if(not defined open( LOG_HANDLE, ">>$log_file" ) ) { return }
+    chomp($msg);
+    #if( $verbose >= $level ) { print "$msg"."\n" }
+    if( $level <= 1 ) { print LOG_HANDLE $msg."\n"  }
+    if( $foreground ) { print $msg."\n" }
+    close( LOG_HANDLE );
+    }
+
+#===  FUNCTION  ================================================================
+#         NAME:  signal handler
+#      PURPOSE:  catches signals from the programm and do diffrent things 
+#                than default
+#   PARAMETERS:  none
+#      RETURNS:  none
+#  DESCRIPTION:  sighandler
+#       THROWS:  no exceptions
+#     COMMENTS:  none
+#     SEE ALSO:  n/a
+#===============================================================================
+sub sigINT {
+    my $log_time = localtime(time);
+    print "INT\n";
+    if( -p $fifo_path ) {
+        close FIFO  ;
+        unlink($fifo_path) ;
+        daemon_log( "$log_time: FIFO closed after signal INT!\n") ;
+        }
+    if(defined($ldap)) {
+        $ldap->unbind;
+    }
+    $SIG{INT} = "DEFAULT" ;
+    kill INT => $$ ;
+}
+$SIG{INT} = \&sigINT ;
+
+#===  FUNCTION  ================================================================
+#         NAME:  usage
+#      PURPOSE:  
+#   PARAMETERS:  none
+#      RETURNS:  none
+#  DESCRIPTION:  print out the usage of the program
+#       THROWS:  no exceptions
+#     COMMENTS:  none
+#     SEE ALSO:  n/a
+#===============================================================================
+sub usage {
+        my( $text, $help ) = @_;
+        $text = undef if( "h" eq $text );
+        (defined $text) && print STDERR "\n$text\n";
+        if( (defined $help && $help) || (!defined $help && !defined $text) ) {
+                print STDERR << "EOF" ;
+usage: $0 [-hvf] [-c config, -l logfile, -p pidfile]
+
+    -h        : this (help) message
+    -c <file> : config file
+    -l <file> : log file (example: /var/log/sps/sps.log)
+    -p <file> : pid file (example: /var/run/sps/sps.pid)
+    -f        : foreground (don"t fork)
+    -v        : be verbose (multiple to increase verbosity)
+EOF
+        }
+        print "\n" ;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  open_fifo
+#      PURPOSE:  
+#   PARAMETERS:  $fifo_path
+#      RETURNS:  0: FIFO couldn"t be setup, 1: FIFO setup correctly
+#  DESCRIPTION:  creates a FIFO at $fifo_path
+#       THROWS:  no exceptions
+#     COMMENTS:  none
+#     SEE ALSO:  n/a
+#===============================================================================
+sub open_fifo {
+    my ($fifo_path) = @_ ;
+    my $log_time = localtime( time );
+    if( -p $fifo_path ) {
+        daemon_log("$log_time: FIFO at $fifo_path already exists\n");
+        return 0;
+        } 
+    POSIX::mkfifo($fifo_path, 0666) or die "can't mkfifo $fifo_path: $!";
+    daemon_log( "$log_time: FIFO started at $fifo_path\n" ) ;
+    return 1;
+    }
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  add_ldap_entry
+#      PURPOSE:  adds an element to ldap-tree
+#   PARAMETERS:  
+#      RETURNS:  none
+#  DESCRIPTION:  ????
+#       THROWS:  no exceptions
+#     COMMENTS:  none
+#     SEE ALSO:  n/a
+#===============================================================================
+sub add_ldap_entry {
+    my ($ldap_tree, $ldap_base, $mac, $gotoSysStatus, $ip, $interface, $desc) = @_;
+    my $dn = "cn=$mac,ou=incoming,$ldap_base";
+    my $s_res = &search_ldap_entry($ldap_tree, $ldap_base, "(|(macAddress=$mac)(dhcpHWAddress=ethernet $mac))");
+    my $c_res = $s_res->count;
+    if($c_res == 1) {
+        daemon_log("WARNING: macAddress $mac already in LDAP", 1);
+        return;
+    } elsif($c_res > 0) {
+        daemon_log("ERROR: macAddress $mac exists $c_res times in LDAP", 1);
+        return;
+    }
+
+    # create LDAP entry 
+    my $entry = Net::LDAP::Entry->new( $dn );
+    $entry->dn($dn);
+    $entry->add("objectClass" => "goHard");
+    $entry->add("cn" => $mac);
+    $entry->add("macAddress" => $mac);
+    if(defined $gotoSysStatus) {$entry->add("gotoSysStatus" => $gotoSysStatus)}
+    if(defined $ip) {$entry->add("ipHostNumber" => $ip) }
+    #if(defined $interface) { }
+    if(defined $desc) {$entry->add("description" => $desc) }
+    
+    # submit entry to LDAP
+    my $result = $entry->update ($ldap_tree); 
+        
+    # for $result->code constants please look at Net::LDAP::Constant
+    my $log_time = localtime( time );
+    if($result->code == 68) {   # entry already exists 
+        daemon_log("WARNING: $log_time: $dn ".$result->error, 3);
+    } elsif($result->code == 0) {   # everything went fine
+        daemon_log("$log_time: add entry $dn to ldap", 1);
+    } else {  # if any other error occur
+        daemon_log("ERROR: $log_time: $dn, ".$result->code.", ".$result->error, 1);
+    }
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  change_ldap_entry
+#      PURPOSE:  ????
+#   PARAMETERS:  ????
+#      RETURNS:  ????
+#  DESCRIPTION:  ????
+#       THROWS:  no exceptions
+#     COMMENTS:  none
+#     SEE ALSO:  n/a
+#===============================================================================
+sub change_ldap_entry {
+    my ($ldap_tree, $ldap_base, $mac, $gotoSysStatus ) = @_;
+    
+    # check if ldap_entry exists or not
+    my $s_res = &search_ldap_entry($ldap_tree, $ldap_base, "(|(macAddress=$mac)(dhcpHWAddress=ethernet $mac))");
+    my $c_res = $s_res->count;
+    if($c_res == 0) {
+        daemon_log("WARNING: macAddress $mac not in LDAP", 1);
+        return;
+    } elsif($c_res > 1) {
+        daemon_log("ERROR: macAddress $mac exists $c_res times in LDAP", 1);
+        return;
+    }
+
+    my $s_res_entry = $s_res->pop_entry();
+    my $dn = $s_res_entry->dn();
+    my $result = $ldap->modify( $dn, replace => {'gotoSysStatus' => $gotoSysStatus } );
+
+    # for $result->code constants please look at Net::LDAP::Constant
+    my $log_time = localtime( time );
+    if($result->code == 32) {   # entry doesnt exists 
+        &add_ldap_entry($mac, $gotoSysStatus);
+    } elsif($result->code == 0) {   # everything went fine
+        daemon_log("$log_time: entry $dn changed successful", 1);
+    } else {  # if any other error occur
+        daemon_log("ERROR: $log_time: $dn, ".$result->code.", ".$result->error, 1);
+    }
+
+    return;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  search_ldap_entry
+#      PURPOSE:  ????
+#   PARAMETERS:  [Net::LDAP] $ldap_tree - object of an ldap-tree
+#                string $sub_tree - dn of the subtree the search is performed
+#                string $search_string - either a string or a Net::LDAP::Filter object
+#      RETURNS:  [Net::LDAP::Search] $msg - result object of the performed search
+#  DESCRIPTION:  ????
+#       THROWS:  no exceptions
+#     COMMENTS:  none
+#     SEE ALSO:  n/a
+#===============================================================================
+sub search_ldap_entry {
+    my ($ldap_tree, $sub_tree, $search_string) = @_;
+    my $msg = $ldap_tree->search( # perform a search
+                        base   => $sub_tree,
+                        filter => $search_string,
+                      ) or daemon_log("cannot perform search at ldap: $@", 1);
+#    if(defined $msg) {
+#        print $sub_tree."\t".$search_string."\t";
+#        print $msg->count."\n";
+#        foreach my $entry ($msg->entries) { $entry->dump; };
+#    }
+
+    return $msg;
+}
+
+
+
+#========= MAIN = main ========================================================
+daemon_log( "####### START DAEMON ######\n", 1 );
+&check_cmdline_param ;
+&check_pid;
+&open_fifo($fifo_path);
+
+# Just fork, if we"re not in foreground mode
+if( ! $foreground ) { $pid = fork(); }
+else { $pid = $$; }
+
+# Do something useful - put our PID into the pid_file
+if( 0 != $pid ) {
+    open( LOCK_FILE, ">$pid_file" );
+    print LOCK_FILE "$pid\n";
+    close( LOCK_FILE );
+    if( !$foreground ) { exit( 0 ) };
+}
+
+
+if( not -p $fifo_path ) { die "fifo file disappeared\n" }
+sysopen(FIFO, $fifo_path, O_RDONLY) or die "can't read from $fifo_path: $!" ;
+
+while( 1 ) {
+    # checke alle prozesse im hash daemon_children ob sie noch aktiv sind, wenn
+    # nicht, dann entferne prozess aus hash
+    while( (my $key, my $val) = each( %daemon_children) ) {
+        my $status = waitpid( $key, &WNOHANG) ;
+        if( $status == -1 ) { 
+            delete $daemon_children{$key} ; 
+            daemon_log("childprocess finished: $key", 3) ;
+        }
+    }
+
+    # ist die max_process anzahl von prozesskindern erreicht, dann warte und 
+    # prüfe erneut, ob in der zwischenzeit prozesse fertig geworden sind
+    if( keys( %daemon_children ) >= $max_process ) { 
+        sleep($max_process_timeout) ;
+        next ;
+    }
+
+    my $msg = <FIFO>;
+    if( not defined( $msg )) { next ; }
+    
+    chomp( $msg );
+    if( length( $msg ) == 0 ) { next ; }
+
+    my $forked_pid = fork();
+#=== PARENT = parent ==========================================================
+    if ( $forked_pid != 0 ) { 
+        daemon_log("childprocess forked: $forked_pid", 3) ;
+        $daemon_children{$forked_pid} = 0 ;
+    }
+#=== CHILD = child ============================================================
+    else {
+        # parse the incoming message from arp, split the message and return 
+        # the values in an array. not defined values are set to "none" 
+        #my ($mac, $ip, $interface, $arp_sig, $desc) = &parse_input( $msg ) ;
+        daemon_log( "childprocess read from arp: $fifo_path\nline: $msg", 3);
+        my ($mac, $ip, $interface, $arp_sig, $desc) = split('\s', $msg, 5);
+
+        # create connection to LDAP
+        $ldap = Net::LDAP->new( "localhost" ) or die "$@";
+        $ldap->bind($bind_phrase,
+                    password => $password,
+                    ) ;
+        
+        switch($arp_sig) {
+            case 0 {&change_ldap_entry($ldap, $ldap_base, 
+                                      $mac, "ip-changed",
+                                      )} 
+            case 1 {&change_ldap_entry($ldap, $ldap_base, 
+                                      $mac, "mac-not-whitelisted",
+                                      )}
+            case 2 {&change_ldap_entry($ldap, $ldap_base, 
+                                      $mac, "mac-in-blacklist",
+                                      )}
+            case 3 {&add_ldap_entry($ldap, $ldap_base, 
+                                   $mac, "new-mac-address", $ip, 
+                                   $interface, $desc, 
+                                   )}
+            case 4 {&change_ldap_entry($ldap, $ldap_base, 
+                                      $mac, "unauthorized-arp-request",
+                                      )}
+            case 5 {&change_ldap_entry($ldap, $ldap_base, 
+                                      $mac, "abusive-number-of-arp-requests",
+                                      )}
+            case 6 {&change_ldap_entry($ldap, $ldap_base, 
+                                      $mac, "ether-and-arp-mac-differs",
+                                      )}
+            case 7 {&change_ldap_entry($ldap, $ldap_base, 
+                                      $mac, "flood-detected",
+                                      )}
+            case 8 {&add_ldap_entry($ldap, $ldap_base, 
+                                   $mac, $ip, "new-system",
+                                   )}
+            case 9 {&change_ldap_entry($ldap, $ldap_base, 
+                                      $mac, "mac-changed",
+                                      )}
+        }
+
+
+        # ldap search
+#        my $base_phrase = "dc=gonicus,dc=de";
+#        my $filter_phrase = "cn=keinesorge";
+#        my $attrs_phrase = "cn macAdress";
+#        my $msg_search = $ldap->search( base   => $base_phrase,
+#                                        filter => $filter_phrase,
+#                                        attrs => $attrs_phrase,
+#                                        );
+#        $msg_search->code && die $msg_search->error;
+#        
+#        my @entries = $msg_search->entries;
+#        my $max = $msg_search->count;
+#        print "anzahl der entries: $max\n";
+#        my $i;
+#        for ( $i = 0 ; $i < $max ; $i++ ) {
+#            my $entry = $msg_search->entry ( $i );
+#            foreach my $attr ( $entry->attributes ) {
+#                if( not $attr eq "cn") {
+#                    next;
+#                }
+#                print join( "\n ", $attr, $entry->get_value( $attr ) ), "\n\n";
+#            }
+#        }
+
+        # ldap add
+       
+        
+        $ldap->unbind;
+        exit;
+    }
+
+}
+
+
diff --git a/gosa-si-poe/arp-handler-d.cfg b/gosa-si-poe/arp-handler-d.cfg
new file mode 100644
index 000000000..36c24a35b
--- /dev/null
+++ b/gosa-si-poe/arp-handler-d.cfg
@@ -0,0 +1,14 @@
+[Allgemein]
+timeout   = 1000 
+mailto    = root@localhost
+mailfrom  = gosa-sd@localhost
+user      = rettenbe
+group     = usr
+fifo_path = /home/rettenbe/gonicus/projekte/gosa-trunk/contrib/daemon/fifo
+log_file  = /home/rettenbe/gonicus/projekte/gosa-trunk/contrib/daemon/gosa-sd.log
+pid_file  = /home/rettenbe/gonicus/projekte/gosa-trunk/contrib/daemon/gosa-sd.pid
+loglevel  = 1
+
+[LDAP]
+bind     = cn=ldapadmin,dc=gonicus,dc=de 
+password = tester
diff --git a/gosa-si-poe/bus.conf b/gosa-si-poe/bus.conf
new file mode 100644
index 000000000..7ca56e906
--- /dev/null
+++ b/gosa-si-poe/bus.conf
@@ -0,0 +1,13 @@
+[general]
+log_file = /var/log/gosa-si-bus.log
+pid_file = /var/run/gosa-si-bus.pid
+child_max = 10
+child_min = 2
+child_timeout = 10
+
+[bus]
+bus_activ = on
+bus_passwd = secret-bus-password
+bus_ip = 127.0.0.1
+bus_port = 20080
+
diff --git a/gosa-si-poe/client.conf b/gosa-si-poe/client.conf
new file mode 100644
index 000000000..0c65e2cad
--- /dev/null
+++ b/gosa-si-poe/client.conf
@@ -0,0 +1,13 @@
+[general]
+log_file = /var/log/gosa-si-client.log
+pid_file = /var/run/gosa-si-client.pid
+
+[client]
+client_port = 20083
+
+[server]
+server_ip = 127.0.0.1
+server_port = 20081
+server_passwd = secret-server-password
+server_timeout = 5
+server_domain = intranet.gonicus.de
diff --git a/gosa-si-poe/debian/README.debian b/gosa-si-poe/debian/README.debian
new file mode 100644
index 000000000..100bd2d6d
--- /dev/null
+++ b/gosa-si-poe/debian/README.debian
@@ -0,0 +1,11 @@
+README.Debian for GOto 3.0
+--------------------------
+
+* Configuring GOto 3.0
+
+You need a proper LDAP/FAI/GOsa setup to make this run. More
+text will follow later. Sorry.
+
+----
+Cajus Pollmeier <cajus@debian.org>  Fri 02 Jun 2006 16:23:50 +0200
+
diff --git a/gosa-si-poe/debian/changelog b/gosa-si-poe/debian/changelog
new file mode 100644
index 000000000..5412238b3
--- /dev/null
+++ b/gosa-si-poe/debian/changelog
@@ -0,0 +1,6 @@
+gosa-si (1.0-1) unstable; urgency=low
+
+  * Initial release
+
+ -- Cajus Pollmeier <cajus@debian.org>  Fri,  7 Dec 2007 11:37:45 +0100
+
diff --git a/gosa-si-poe/debian/compat b/gosa-si-poe/debian/compat
new file mode 100644
index 000000000..7ed6ff82d
--- /dev/null
+++ b/gosa-si-poe/debian/compat
@@ -0,0 +1 @@
+5
diff --git a/gosa-si-poe/debian/control b/gosa-si-poe/debian/control
new file mode 100644
index 000000000..fd596d22d
--- /dev/null
+++ b/gosa-si-poe/debian/control
@@ -0,0 +1,40 @@
+Source: gosa-si
+Section: utils
+Priority: optional
+Maintainer: Cajus Pollmeier <cajus@debian.org>
+Standards-Version: 3.7.2.2
+Build-Depends: debhelper(>= 4.2.32), dpatch
+
+Package: gosa-si-common
+Architecture: any
+Depends: libconfig-inifiles-perl, libcrypt-rijndael-perl, libxml-simple-perl, libipc-shareable-perl, libdata-dumper-simple-perl, libmime-perl, libdbd-sqlite3-perl, libnet-ldap-perl, libnetaddr-ip-perl
+Suggests: gosa-si-server, gosa-si-client
+Description: GOsa support infrastructure
+ This package provides common library functionality used by the
+ infrastructure server and client packages.
+ .
+ GOsa is a combination of system-administrator and end-user web
+ interface, designed to handle LDAP based setups.
+
+Package: gosa-si-server
+Architecture: any
+Depends: gosa-si-common
+Suggests: gosa
+Description: GOsa support infrastructure server
+ This package provides everything you need in order to deploy a simple
+ or distributed GOsa support infrastructure. It can be used to trigger
+ certain actions or retrieve information from clients.
+ .
+ GOsa is a combination of system-administrator and end-user web
+ interface, designed to handle LDAP based setups.
+
+Package: gosa-si-client
+Architecture: any
+Depends: gosa-si-common
+Suggests: gosa
+Description: GOsa support infrastructure client
+ This package lets you join to a GOsa support infrastructure as a
+ client in order to provide information or to act on events.
+ .
+ GOsa is a combination of system-administrator and end-user web
+ interface, designed to handle LDAP based setups.
diff --git a/gosa-si-poe/debian/copyright b/gosa-si-poe/debian/copyright
new file mode 100644
index 000000000..d7463efe4
--- /dev/null
+++ b/gosa-si-poe/debian/copyright
@@ -0,0 +1,8 @@
+This package was debianized by Cajus Pollmeier
+<cajus@debian.org> on Mon, 25 Jun 2007 12:57:35 +0100.
+
+Copyright: GPL2
+
+This code is released under the terms of the GPLv2 license.
+
+See /usr/share/common-licenses/GPL-2 for the full license.
diff --git a/gosa-si-poe/debian/gosa-si b/gosa-si-poe/debian/gosa-si
new file mode 100644
index 000000000..10df929a0
--- /dev/null
+++ b/gosa-si-poe/debian/gosa-si
@@ -0,0 +1,2 @@
+# /etc/default/gosa-si - configure the init script
+START_BUS=0
diff --git a/gosa-si-poe/debian/gosa-si-client.dirs b/gosa-si-poe/debian/gosa-si-client.dirs
new file mode 100644
index 000000000..2f6b7067d
--- /dev/null
+++ b/gosa-si-poe/debian/gosa-si-client.dirs
@@ -0,0 +1,3 @@
+etc/gosa-si
+usr/sbin
+usr/lib/gosa-si/client/events
diff --git a/gosa-si-poe/debian/gosa-si-client.install b/gosa-si-poe/debian/gosa-si-client.install
new file mode 100644
index 000000000..e5544c641
--- /dev/null
+++ b/gosa-si-poe/debian/gosa-si-client.install
@@ -0,0 +1,2 @@
+gosa-si-client		usr/sbin
+client.conf		etc/gosa-si
diff --git a/gosa-si-poe/debian/gosa-si-client.postinst b/gosa-si-poe/debian/gosa-si-client.postinst
new file mode 100644
index 000000000..0747c6a3d
--- /dev/null
+++ b/gosa-si-poe/debian/gosa-si-client.postinst
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+#DEBHELPER#
+
+# We exit unless the package is being configured
+case "$1" in
+        abort*upgrade)         exit 0;;
+        abort*remove)          exit 0;;
+        abort*deconfigure)     exit 0;;
+        configure) ;;
+        *)                     exit 0;
+esac
+
+[ ! -d /usr/lib/gosa-si/client/events ] && install -d -o root -g root -m 750 /usr/lib/gosa-si/client/events
+
diff --git a/gosa-si-poe/debian/gosa-si-common.dirs b/gosa-si-poe/debian/gosa-si-common.dirs
new file mode 100644
index 000000000..2d13e8f10
--- /dev/null
+++ b/gosa-si-poe/debian/gosa-si-common.dirs
@@ -0,0 +1,2 @@
+/etc/default
+/usr/share/perl5/GOSA
diff --git a/gosa-si-poe/debian/gosa-si-common.install b/gosa-si-poe/debian/gosa-si-common.install
new file mode 100644
index 000000000..3db70042e
--- /dev/null
+++ b/gosa-si-poe/debian/gosa-si-common.install
@@ -0,0 +1,3 @@
+modules/GosaSupportDaemon.pm    usr/share/perl5/GOSA
+modules/DBsqlite.pm             usr/share/perl5/GOSA
+debian/gosa-si			etc/default
diff --git a/gosa-si-poe/debian/gosa-si-common.postinst b/gosa-si-poe/debian/gosa-si-common.postinst
new file mode 100644
index 000000000..3d2b7723d
--- /dev/null
+++ b/gosa-si-poe/debian/gosa-si-common.postinst
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+#DEBHELPER#
+
+# We exit unless the package is being configured
+case "$1" in
+        abort*upgrade)         exit 0;;
+        abort*remove)          exit 0;;
+        abort*deconfigure)     exit 0;;
+        configure) ;;
+        *)                     exit 0;
+esac
+
+[ -d /var/lib/gosa-si ] || install -d -o root -g root -m 750 /var/lib/gosa-si
+
diff --git a/gosa-si-poe/debian/gosa-si-server.dirs b/gosa-si-poe/debian/gosa-si-server.dirs
new file mode 100644
index 000000000..be099ffcf
--- /dev/null
+++ b/gosa-si-poe/debian/gosa-si-server.dirs
@@ -0,0 +1,4 @@
+usr/sbin
+usr/lib/gosa-si/modules
+usr/lib/gosa-si/server/events
+etc/gosa-si
diff --git a/gosa-si-poe/debian/gosa-si-server.init b/gosa-si-poe/debian/gosa-si-server.init
new file mode 100755
index 000000000..18e68aefc
--- /dev/null
+++ b/gosa-si-poe/debian/gosa-si-server.init
@@ -0,0 +1,91 @@
+#!/bin/sh
+# Start/stop the GOsa support daemon infrastructure.
+#
+### BEGIN INIT INFO
+# Provides:          gosa-si
+# Required-Start:    $syslog $time
+# Required-Stop:     $syslog $time
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: GOsa message bus and server component
+# Description:       gosa-si establishes the communication between a couple of
+#                    GOsa hosting servers and optionally clients to do event
+#                    signaling for all communication partners.
+### END INIT INFO
+
+# Sanity checks
+test -f /usr/sbin/gosa-si-server || exit 0
+test -f /usr/sbin/gosa-si-bus || exit 0
+
+# Load defaults
+START_BUS=0
+[ -r /etc/default/gosa-si ] && . /etc/default/gosa-si
+
+# Load LSB support functions
+. /lib/lsb/init-functions
+
+
+start_bus() {
+	start-stop-daemon --start --quiet --pidfile /var/run/gosa-si-bus.pid --name gosa-si-bus --startas /usr/sbin/gosa-si-bus -- 
+}
+
+
+start_server() {
+	start-stop-daemon --start --quiet --pidfile /var/run/gosa-si-server.pid --name gosa-si-server --startas /usr/sbin/gosa-si-server -- -vvvvv $1
+}
+
+
+stop_bus() {
+	start-stop-daemon --stop --retry 5 --quiet --pidfile /var/run/gosa-si-bus.pid --name gosa-si-bus
+}
+
+
+stop_server() {
+	start-stop-daemon --stop --retry 5 --quiet --pidfile /var/run/gosa-si-server.pid --name gosa-si-server
+}
+
+
+case "$1" in
+start)  log_daemon_msg "Starting GOsa support infrastructure"
+	if [ "$START_BUS" == "1" ]; then
+		log_progress_msg "bus"
+		start_bus
+		log_progress_msg "daemon"
+		start_server
+	else
+		log_progress_msg "daemon"
+		start_server --no-bus
+	fi
+        log_end_msg $?
+	;;
+stop)   log_daemon_msg "Stopping GOsa support infrastructure"
+	if [ "$START_BUS" == "1" ]; then
+		log_progress_msg "daemon"
+		stop_server
+		log_progress_msg "bus"
+		stop_bus
+	else
+		log_progress_msg "daemon"
+		stop_server
+	fi
+        log_end_msg $?
+        ;;
+reload|force-reload|restart) log_daemon_msg "Restarting GOsa support infrastructure" 
+	if [ "$START_BUS" == "1" ]; then
+		stop_server
+		stop_bus
+		start_bus
+		start_server --no-bus
+		log_progress_msg "done"
+	else
+		stop_server
+		start_server --no-bus
+		log_progress_msg "done"
+	fi
+        log_end_msg $?
+        ;;
+*)	log_action_msg "Usage: /etc/init.d/gosa-si {start|stop|restart|reload|force-reload}"
+        exit 2
+        ;;
+esac
+exit 0
diff --git a/gosa-si-poe/debian/gosa-si-server.install b/gosa-si-poe/debian/gosa-si-server.install
new file mode 100644
index 000000000..b7c600f74
--- /dev/null
+++ b/gosa-si-poe/debian/gosa-si-server.install
@@ -0,0 +1,7 @@
+gosa-si-server			usr/sbin
+gosa-si-bus			usr/sbin
+server.conf			etc/gosa-si
+bus.conf			etc/gosa-si
+modules/ServerPackages.pm       usr/lib/gosa-si/modules
+modules/GosaPackages.pm         usr/lib/gosa-si/modules
+server/events/ping		usr/lib/gosa-si/server/events
diff --git a/gosa-si-poe/debian/rules b/gosa-si-poe/debian/rules
new file mode 100755
index 000000000..f54d5592a
--- /dev/null
+++ b/gosa-si-poe/debian/rules
@@ -0,0 +1,83 @@
+#!/usr/bin/make -f
+# Sample debian/rules that uses debhelper. GNU copyright 1997 by Joey Hess.
+
+# Uncomment this to turn on verbose mode.
+#export DH_VERBOSE=1
+
+build: patch 
+	#********************************************************
+	#*  Building ltsp-goto into a Debian/GNU Linux Package  *
+	#*                    please stand by                   *
+	#********************************************************
+
+clean: clean-patched unpatch
+clean-patched:
+	dh_testdir
+	rm -f install-stamp 
+	-rm -f debian/files
+	-rm -rf debian/tmp
+	-rm -f debian/substvars
+	dh_clean
+
+unpatch:
+	dpatch deapply-all
+	rm -rf patch-stamp debian/patched
+
+install: install-stamp
+install-stamp: 
+	dh_testdir
+	dh_testroot
+	dh_clean -k
+	dh_installdirs
+
+	# Create a copy, remove svn stuff
+	-mkdir debian/tmp
+	-for i in *; do \
+		cp -R $$i debian/tmp ; \
+	done
+	-find debian/tmp -name '*.svn' -type d -exec rm -rf {} \; 2> /dev/null
+
+	-for i in gosa-si-client gosa-si-server modules/GosaPackages.pm modules/ServerPackages.pm modules/TestModule.pm server/events/*; do sed -i 's/use GosaSupportDaemon;/use GOSA::GosaSupportDaemon;/g;s/use DBsqlite;/use GOSA::DBsqlite;/g' debian/tmp/$$i; done
+
+	-sed -i 's!"/etc/gosa-si/modules";!use lib "/usr/lib/gosa-si/modules";!g' debian/tmp/gosa-si-server
+
+	-sed -i 's!"/etc/gosa-si/server/events";!"/usr/lib/gosa-si/server/events";!g' debian/tmp/modules/GosaPackages.pm
+
+	touch install-stamp
+
+patch: patch-stamp
+patch-stamp:
+	dpatch apply-all
+	dpatch cat-all >patch-stamp
+
+binary-indep: install
+	dh_testdir
+	dh_testroot
+	
+	dh_install --sourcedir=debian/tmp
+	dh_installdocs 
+	dh_installcron
+	dh_installexamples
+	dh_installchangelogs
+	#dh_installdebconf
+	dh_installinit -pgosa-si-server --init-script=gosa-si
+	dh_link
+	dh_strip
+	dh_compress
+	dh_fixperms 
+	dh_perl
+	dh_installdeb
+	dh_shlibdeps
+	
+	dh_gencontrol
+	dh_md5sums
+	dh_builddeb
+
+source diff:                                                                  
+	@echo >&2 'source and diff are obsolete - use dpkg-source -b'; false
+
+binary: binary-indep 
+.PHONY: build install clean binary-indep binary
+
+binary-arch:
+
diff --git a/gosa-si-poe/gosa-si-bus b/gosa-si-poe/gosa-si-bus
new file mode 100755
index 000000000..a5d50f1d2
--- /dev/null
+++ b/gosa-si-poe/gosa-si-bus
@@ -0,0 +1,1362 @@
+#!/usr/bin/perl
+#===============================================================================
+#
+#         FILE:  gosa-server
+#
+#        USAGE:  ./gosa-server
+#
+#  DESCRIPTION:
+#
+#      OPTIONS:  ---
+# REQUIREMENTS:  ---
+#         BUGS:  ---
+#        NOTES: 
+#       AUTHOR:   (Andreas Rettenberger), <rettenberger@gonicus.de>
+#      COMPANY:
+#      VERSION:  1.0
+#      CREATED:  12.09.2007 08:54:41 CEST
+#     REVISION:  ---
+#===============================================================================
+
+use strict;
+use warnings;
+use Getopt::Long;
+use Config::IniFiles;
+use POSIX;
+use Time::HiRes qw( gettimeofday );
+
+use IO::Socket::INET;
+use Crypt::Rijndael;
+use MIME::Base64;
+use Digest::MD5  qw(md5 md5_hex md5_base64);
+use XML::Simple;
+use Data::Dumper;
+use Sys::Syslog qw( :DEFAULT setlogsock);
+use Cwd;
+use File::Spec;
+use GOSA::GosaSupportDaemon;
+use GOSA::DBsqlite;
+
+my ($cfg_file, $default_cfg_file, %cfg_defaults, $foreground, $verbose);
+my ($bus_activ, $bus_passwd, $bus_ip, $bus_port, $bus_address, $bus, $bus_mac_address, $network_interface);
+my ($pid_file, $procid, $pid, $log_file, $my_own_address);
+my (%free_child, %busy_child, $child_max, $child_min, %child_alive_time, $child_timeout);
+my ($bus_known_server_db, $bus_known_server_file_name);
+my ($xml, $bus_cipher);
+
+$foreground = 0 ;
+
+%cfg_defaults =
+("general" =>
+    {"log_file" => [\$log_file, "/var/run/".$0.".log"],
+    "pid_file" => [\$pid_file, "/var/run/".$0.".pid"],
+    "child_max" => [\$child_max, 10],
+    "child_min" => [\$child_min, 3],
+    "child_timeout" => [\$child_timeout, 180],
+    "bus_known_server_file_name" => [\$bus_known_server_file_name, "/var/lib/gosa-si/bus_known_server.db"]
+    },
+"bus" =>
+    {"bus_activ" => [\$bus_activ, "on"],
+    "bus_passwd" => [\$bus_passwd, ""],
+    "bus_ip" => [\$bus_ip, "0.0.0.0"],
+    "bus_port" => [\$bus_port, "20080"],
+    }
+    );
+
+#===  FUNCTION  ================================================================
+#         NAME:  read_configfile
+#   PARAMETERS:  cfg_file - string - 
+#      RETURNS:  nothing 
+#  DESCRIPTION:  read cfg_file and set variables
+#===============================================================================
+sub read_configfile {
+    my $cfg;
+    if( defined( $cfg_file) && ( length($cfg_file) > 0 )) {
+        if( -r $cfg_file ) {
+            $cfg = Config::IniFiles->new( -file => $cfg_file );
+        } else {
+            print STDERR "Couldn't read config file!";
+        }
+    } else {
+        $cfg = Config::IniFiles->new() ;
+    }
+    foreach my $section (keys %cfg_defaults) {
+        foreach my $param (keys %{$cfg_defaults{ $section }}) {
+            my $pinfo = $cfg_defaults{ $section }{ $param };
+            ${@$pinfo[ 0 ]} = $cfg->val( $section, $param, @$pinfo[ 1 ] );
+        }
+    }
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  logging
+#   PARAMETERS:  level - string - default 'info' 
+#                msg - string - 
+#                facility - string - default 'LOG_DAEMON' 
+#      RETURNS:  nothing
+#  DESCRIPTION:  function for logging
+#===============================================================================
+sub daemon_log {
+    my( $msg, $level ) = @_;
+    if(not defined $msg) { return }
+    if(not defined $level) { $level = 1 }
+    if(defined $log_file){
+        open(LOG_HANDLE, ">>$log_file");
+        if(not defined open( LOG_HANDLE, ">>$log_file" )) { 
+            print STDERR "cannot open $log_file: $!";
+            return }
+        chomp($msg);
+        if($level && $verbose && $level <= $verbose){
+            print LOG_HANDLE $msg."\n";
+            if(defined $foreground) { print $msg."\n" }
+        }
+    }
+    close( LOG_HANDLE );
+#    my ($msg, $level, $facility) = @_;
+#    if(not defined $msg) {return}
+#    if(not defined $level) {$level = "info"}
+#    if(not defined $facility) {$facility = "LOG_DAEMON"}
+#    openlog($0, "pid,cons,", $facility);
+#    syslog($level, $msg);
+#    closelog;
+#    return;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  check_cmdline_param
+#   PARAMETERS:  nothing
+#      RETURNS:  nothing
+#  DESCRIPTION:  validates commandline parameter 
+#===============================================================================
+sub check_cmdline_param () {
+    my $err_config;
+    my $err_counter = 0;
+    if( not defined( $cfg_file)) {
+        my $cwd = getcwd;
+        my $name = "/etc/gosa-si/bus.conf";
+        $cfg_file = File::Spec->catfile( $cwd, $name );
+    }
+    if( $err_counter > 0 ) {
+        &usage( "", 1 );
+        if( defined( $err_config)) { print STDERR "$err_config\n"}
+        print STDERR "\n";
+        exit( -1 );
+    }
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  check_pid
+#   PARAMETERS:  nothing
+#      RETURNS:  nothing
+#  DESCRIPTION:  handels pid processing
+#===============================================================================
+sub check_pid {
+    $pid = -1;
+    # Check, if we are already running
+    if( open(LOCK_FILE, "<$pid_file") ) {
+        $pid = <LOCK_FILE>;
+        if( defined $pid ) {
+            chomp( $pid );
+            if( -f "/proc/$pid/stat" ) {
+                my($stat) = `cat /proc/$pid/stat` =~ m/$pid \((.+)\).*/;
+                if( $0 eq $stat ) {
+                    close( LOCK_FILE );
+                    exit -1;
+                }
+            }
+        }
+        close( LOCK_FILE );
+        unlink( $pid_file );
+    }
+
+    # create a syslog msg if it is not to possible to open PID file
+    if (not sysopen(LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
+        my($msg) = "Couldn't obtain lockfile '$pid_file' ";
+        if (open(LOCK_FILE, '<', $pid_file)
+                && ($pid = <LOCK_FILE>))
+        {
+            chomp($pid);
+            $msg .= "(PID $pid)\n";
+        } else {
+            $msg .= "(unable to read PID)\n";
+        }
+        if( ! ($foreground) ) {
+            openlog( $0, "cons,pid", "daemon" );
+            syslog( "warning", $msg );
+            closelog();
+        }
+        else {
+            print( STDERR " $msg " );
+        }
+        exit( -1 );
+    }
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  usage
+#   PARAMETERS:  nothing
+#      RETURNS:  nothing
+#  DESCRIPTION:  print out usage text to STDERR
+#===============================================================================
+sub usage {
+    print STDERR << "EOF" ;
+usage: $0 [-hvf] [-c config]
+
+    -h        : this (help) message
+    -c <file> : config file
+    -f        : foreground, process will not be forked to background
+    -v        : be verbose (multiple to increase verbosity)
+EOF
+    print "\n" ;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  sig_int_handler
+#   PARAMETERS:  signal - string - signal arose from system
+#      RETURNS:  noting
+#  DESCRIPTION:  handels tasks to be done befor signal becomes active
+#===============================================================================
+sub sig_int_handler {
+    my ($signal) = @_;
+    if($bus){
+        close($bus);
+        print "$bus closed\n";
+    }
+    print "$signal\n";
+    exit(1);
+}
+$SIG{INT} = \&sig_int_handler;
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_interface_for_ip
+#   PARAMETERS:  ip address (i.e. 192.168.0.1)
+#      RETURNS:  array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
+#  DESCRIPTION:  Uses proc fs (/proc/net/dev) to get list of interfaces.
+#===============================================================================
+sub get_interface_for_ip {
+        my $result;
+        my $ip= shift;
+        if ($ip && length($ip) > 0) {
+                my @ifs= &get_interfaces();
+                if($ip eq "0.0.0.0") {
+                        $result = "all";
+                } else {
+                        foreach (@ifs) {
+                                my $if=$_;
+                                if(get_ip($if) eq $ip) {
+                                        $result = $if;
+                                }
+                        }
+                }
+        }
+        return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_interfaces 
+#   PARAMETERS:  none
+#      RETURNS:  (list of interfaces) 
+#  DESCRIPTION:  Uses proc fs (/proc/net/dev) to get list of interfaces.
+#===============================================================================
+sub get_interfaces {
+        my @result;
+        my $PROC_NET_DEV= ('/proc/net/dev');
+
+        open(PROC_NET_DEV, "<$PROC_NET_DEV")
+                or die "Could not open $PROC_NET_DEV";
+
+        my @ifs = <PROC_NET_DEV>;
+
+        close(PROC_NET_DEV);
+
+        # Eat first two line
+        shift @ifs;
+        shift @ifs;
+
+        chomp @ifs;
+        foreach my $line(@ifs) {
+                my $if= (split /:/, $line)[0];
+                $if =~ s/^\s+//;
+                push @result, $if;
+        }
+
+        return @result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_mac 
+#   PARAMETERS:  interface name (i.e. eth0)
+#      RETURNS:  (mac address) 
+#  DESCRIPTION:  Uses ioctl to get mac address directly from system.
+#===============================================================================
+sub get_mac {
+        my $ifreq= shift;
+        my $result;
+        if ($ifreq && length($ifreq) > 0) {
+                if($ifreq eq "all") {
+                        $result = "00:00:00:00:00:00";
+                } else {
+                        my $SIOCGIFHWADDR= 0x8927;     # man 2 ioctl_list
+
+                        # A configured MAC Address should always override a guessed value
+                        if ($bus_mac_address and length($bus_mac_address) > 0) {
+                                return $bus_mac_address;
+                        }
+
+                        socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
+                                or die "socket: $!";
+
+                        if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
+                                my ($if, $mac)= unpack 'h36 H12', $ifreq;
+
+                                if (length($mac) > 0) {
+                                        $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
+                                        $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
+                                        $result = $mac;
+                                }
+                        }
+                }
+        }
+        return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_ip 
+#   PARAMETERS:  interface name (i.e. eth0)
+#      RETURNS:  (ip address) 
+#  DESCRIPTION:  Uses ioctl to get ip address directly from system.
+#===============================================================================
+sub get_ip {
+        my $ifreq= shift;
+        my $result= "";
+        my $SIOCGIFADDR= 0x8915;       # man 2 ioctl_list
+        my $proto= getprotobyname('ip');
+
+        socket SOCKET, PF_INET, SOCK_DGRAM, $proto
+                or die "socket: $!";
+
+        if(ioctl SOCKET, $SIOCGIFADDR, $ifreq) {
+                my ($if, $sin)    = unpack 'a16 a16', $ifreq;
+                my ($port, $addr) = sockaddr_in $sin;
+                my $ip            = inet_ntoa $addr;
+
+                if ($ip && length($ip) > 0) {
+                        $result = $ip;
+                }
+        }
+
+        return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  activating_child
+#   PARAMETERS:  msg - string - incoming message
+#                host - string - host from which the incomming message comes
+#      RETURNS:  nothing
+#  DESCRIPTION:  handels the distribution of incoming messages to working childs
+#===============================================================================
+sub activating_child {
+    my ($msg, $host) = @_;
+    my $child = &get_processing_child();
+    my $pipe_wr = $$child{'pipe_wr'};
+    daemon_log("activating: childpid: $$child{'pid'}", 5);
+    print $pipe_wr $msg.".".$host."\n";
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_processing_child
+#   PARAMETERS:  nothing
+#      RETURNS:  child - hash - holding the process id and the references to the pipe
+#                               handles pipe_wr and pipe_rd
+#  DESCRIPTION:  handels the forking, reactivating and keeping alive tasks
+#===============================================================================
+sub get_processing_child {
+    my $child;
+    # checking %busy_child{pipe_wr} if msg is 'done', then set child from busy to free
+    while(my ($key, $val) = each(%busy_child)) {
+        # check wether process still exists
+        my $exitus_pid = waitpid($key, WNOHANG);
+        if($exitus_pid != 0) {
+            delete $busy_child{$key};
+            daemon_log( "prozess:$key wurde aus busy_child entfernt\n", 5);
+            next;
+        }
+
+        # check wether process sitll works
+        my $fh = $$val{'pipe_rd'};
+        $fh->blocking(0); 
+        my $child_answer;
+        if(not $child_answer = <$fh>) { next }
+        chomp($child_answer);
+        if($child_answer eq "done") {
+            delete $busy_child{$key};
+            $free_child{$key} = $val;
+        }
+    }
+
+    while(my ($key, $val) = each(%free_child)) {
+        my $exitus_pid = waitpid($key, WNOHANG);
+        if($exitus_pid != 0) {
+            delete $free_child{$key};
+            daemon_log( "prozess:$key wurde aus free_child entfernt\n", 5);
+        }
+        daemon_log("free child:$key\n", 5);
+    }
+    # check @free_child and @busy_child
+    my $free_len = scalar(keys(%free_child));
+    my $busy_len = scalar(keys(%busy_child));
+    daemon_log("free children $free_len, busy children $busy_len\n",5);
+    
+    # if there is a free child, let the child work 
+    if($free_len > 0){
+        my @keys = keys(%free_child);
+        $child = $free_child{$keys[0]};
+        if(defined $child) {
+            $busy_child{$$child{'pid'}} = $child ; 
+            delete $free_child{$$child{'pid'}};          
+        }
+        return $child;
+    }
+    
+    # no free child, try to fork another one 
+    if($free_len + $busy_len < $child_max) {
+                
+        daemon_log("not enough children, create a new one\n",5);
+
+        # New pipes for communication
+        my( $PARENT_wr, $PARENT_rd );
+        my( $CHILD_wr, $CHILD_rd );
+        pipe( $CHILD_rd,  $PARENT_wr );
+        pipe( $PARENT_rd, $CHILD_wr  );
+        $PARENT_wr->autoflush(1);
+        $CHILD_wr->autoflush(1);
+
+        ############
+        # fork child
+        ############
+        my $child_pid = fork();
+        
+        #CHILD
+        if($child_pid == 0) {
+            # Close unused pipes
+            close( $CHILD_rd );
+            close( $CHILD_wr );
+            while( 1 ) {
+                my $rbits = "";
+                vec( $rbits, fileno $PARENT_rd , 1 ) = 1;
+
+                # waiting child_timeout for jobs to do
+                my $nf = select($rbits, undef, undef, $child_timeout);
+                if($nf < 0 ) {
+                    # if $nf < 1, error handling
+                    die "select(): $!\n";
+                } elsif (! $nf) {
+                    # if already child_min childs are alive, then leave loop
+                    $free_len = scalar(keys(%free_child));
+                    $busy_len = scalar(keys(%busy_child));
+                    if($free_len + $busy_len >= $child_min) {
+                        last;
+                    } else {
+                        redo;
+                    }
+                } 
+
+                # a job for a child arise
+                if ( vec $rbits, fileno $PARENT_rd, 1 ) {
+                    # read everything from pipe
+                    my $msg = "";
+                    $PARENT_rd->blocking(0);
+                    while(1) {
+                        my $read = <$PARENT_rd>;
+                        if(not defined $read) { last}
+                        $msg .= $read;
+                    }
+
+                    # forward the job msg to another function
+                    &process_incoming_msg($msg);
+                    daemon_log("processing of msg finished", 5);
+
+                    # important!!! wait until child says 'done', until then child is set from busy to free
+                    print $PARENT_wr "done";
+                    redo;
+                }
+            }
+            # childs leaving the loop are allowed to die
+            exit(0);
+
+        #PARENT
+        } else {
+            # Close unused pipes
+            close( $PARENT_rd );
+            close( $PARENT_wr );
+            # add child to child alive hash
+            my %child_hash = (
+                    'pid' => $child_pid,
+                    'pipe_wr' => $CHILD_wr,
+                    'pipe_rd' => $CHILD_rd,
+                    );
+
+            $child = \%child_hash;
+            $busy_child{$$child{'pid'}} = $child;
+            return $child;
+        }
+    }
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  process_incoming_msg
+#   PARAMETERS:  crypted_msg - string - incoming crypted message
+#      RETURNS:  nothing
+#  DESCRIPTION:  handels the proceeded distribution to the appropriated functions
+#===============================================================================
+sub process_incoming_msg {
+    my ($crypted_msg) = @_;
+    if(not defined $crypted_msg) {
+        daemon_log("function 'process_incoming_msg': got no msg", 7);
+        return;
+    }
+    $crypted_msg =~ /^([\s\S]*?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)$/;
+    $crypted_msg = $1;
+    my $host = sprintf("%s.%s.%s.%s", $2, $3, $4, $5);
+
+    my $msg;
+    my $msg_hash;
+    my $host_name;
+    my $host_key;
+
+    # check wether incoming msg is a new msg
+    $host_name = $bus_address;
+    $host_key = $bus_passwd;
+    daemon_log("process_incoming_msg: host_name: $host_name", 7);
+    daemon_log("process_incoming_msg: host_key: $host_key", 7);
+    eval{
+        my $key_cipher = &create_ciphering($host_key);
+        $msg = &decrypt_msg($crypted_msg, $key_cipher);
+        $msg_hash = &transform_msg2hash($msg);
+    };
+    if($@) {
+        daemon_log("process_incoming_msg: deciphering raise error", 7);
+        daemon_log("$@", 8);
+        $msg = undef;
+        $msg_hash = undef;
+        $host_name = undef;
+        $host_key = undef;
+    }
+
+    # check wether incoming msg is from a bus_known_server
+    if( not defined $msg ) {
+        my $query_res = $bus_known_server_db->select_dbentry( {table=>'bus_known_server'} );
+        while( my ($hit_num, $hit) = each %{ $query_res } ) {
+            $host_name = $hit->{hostname};
+            if( not $host_name =~ "^$host") {
+                next;
+            }
+            $host_key = $hit->{hostkey};
+            daemon_log("process_incoming_msg: host_name: $host_name", 7);
+            daemon_log("process_incoming_msg: host_key: $host_key", 7);
+            eval{
+                my $key_cipher = &create_ciphering($host_key);
+                $msg = &decrypt_msg($crypted_msg, $key_cipher);
+                $msg_hash = &transform_msg2hash($msg);
+            };
+            if($@) {
+                daemon_log("process_incoming_msg: deciphering raise error", 7);
+                daemon_log("$@", 8);
+                $msg = undef;
+                $msg_hash = undef;
+                $host_name = undef;
+                $host_key = undef;
+            } else {
+                last;
+            }
+        }
+    }
+
+    if( not defined $msg ) {
+        daemon_log("WARNING: bus does not understand the message:", 5);
+        return;
+    }
+
+    # process incoming msg
+    my $header = @{$msg_hash->{header}}[0];
+    my $source = @{$msg_hash->{source}}[0];
+
+    daemon_log("header from msg: $header", 1);
+    daemon_log("msg to process:", 5);
+    daemon_log($msg, 5);
+
+    my @targets = @{$msg_hash->{target}};
+    my $len_targets = @targets;
+
+    if ($len_targets == 0){
+        daemon_log("ERROR: no target specified for msg $header", 1);
+
+    } elsif ($len_targets == 1){
+        # we have only one target symbol
+        my $target = $targets[0];
+        daemon_log("msg is for: $target", 7);
+
+        if($target eq $bus_address) {
+            # msg is for bus
+            if($header eq 'here_i_am'){ &here_i_am($msg_hash)}
+            elsif($header eq 'confirm_new_passwd'){ &confirm_new_passwd($msg_hash)}
+            elsif($header eq 'got_ping') { &got_ping($msg_hash)} 
+            elsif($header eq 'ping') { &ping($msg_hash)}
+            elsif($header eq 'who_has') { &who_has($msg_hash)}
+            elsif($header eq 'new_client') { &new_client($msg_hash)}
+            elsif($header eq 'delete_client') { &delete_client($msg_hash)}
+
+        } elsif ($target eq "*"){
+            # msg is for all server
+            my $query_res = $bus_known_server_db->select_dbentry( {table=>'known_server'} );
+            while( my ($hit_num, $hit) = each %{ $query_res } ) {
+                $host_name = $hit->{hostname};
+                $host_key = $hit->{hostkey};
+                $msg_hash->{target} = [$host_name];
+                &send_msg_hash2address($msg_hash, $host_name, $host_key);
+            }
+            return;
+        }
+
+    } else {
+        # a list of targets is specified            
+        my $target_address;
+        foreach $target_address (@targets) {
+
+            my $query_res = $bus_known_server_db->select_dbentry( {table=>'known_server', hostname=>$target_address} );
+            if( 1 == keys %{$query_res} ) {
+                $host_key = $query_res->{1}->{hostkey};
+                &send_msg_hash2address($msg_hash, $target_address, $host_key);
+                next;
+
+            } else { 
+                $query_res = $bus_known_server_db->select_dbentry( {table=>'known_server'} );
+                while( my ($hit_num, $hit) = each %{$query_res} ) {
+                    my $host_name = $hit->{hostname};
+                    my $host_key = $hit->{hostkey};
+                    my $clients = $hit->{clients};
+                    my @clients = split(/,/, $clients);
+                    foreach my $client (@clients) {
+                        if( not $client eq $target_address ) {
+                            next;
+                        }
+                        $msg_hash->{target} = [ $target_address ];
+                        &send_msg_hash2address($msg_hash, $host_name, $host_key);
+                        daemon_log("bus forwards msg $header for client $target_address to server $host_name", 3);
+                        last;
+                    }
+                }
+            }
+        }
+    }
+
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_content_of_known_daemons
+#   PARAMETERS:
+#      RETURNS:
+#  DESCRIPTION:
+#===============================================================================
+#sub get_content_of_known_daemons {
+#    my ($host, $content) = @_;
+#    return;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_passwd
+#   PARAMETERS:  nothing
+#      RETURNS:  new_passwd - string 
+#  DESCRIPTION:  creates a 32 bit long random passwd out of "a".."z","A".."Z",0..9
+#===============================================================================
+sub create_passwd {
+    my $new_passwd = "";
+    for(my $i=0; $i<31; $i++) {
+        $new_passwd .= ("a".."z","A".."Z",0..9)[int(rand(62))]
+    }
+    return $new_passwd;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_ciphering
+#   PARAMETERS:  passwd - string - used to create ciphering
+#      RETURNS:  cipher - object 
+#  DESCRIPTION:  creates a Crypt::Rijndael::MODE_CBC object with passwd as key
+#===============================================================================
+#sub create_ciphering {
+#    my ($passwd) = @_;
+#    $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
+#    my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
+#
+#    my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
+#    $my_cipher->set_iv($iv);
+#    return $my_cipher;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  encrypt_msg
+#   PARAMETERS:  msg - string - message to encrypt
+#                my_cipher - ref - reference to a Crypt::Rijndael object
+#      RETURNS:  crypted_msg - string - crypted message
+#  DESCRIPTION:  crypts the incoming message with the Crypt::Rijndael module
+#===============================================================================
+#sub encrypt_msg {
+#    my ($msg, $my_cipher) = @_;
+#    if(not defined $my_cipher) { print "no cipher object\n"; }
+#    $msg = "\0"x(16-length($msg)%16).$msg;
+#    my $crypted_msg = $my_cipher->encrypt($msg);
+#    chomp($crypted_msg = &encode_base64($crypted_msg));
+#    return $crypted_msg;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  decrypt_msg
+#   PARAMETERS:  crypted_msg - string - message to decrypt
+#                my_cipher - ref - reference to a Crypt::Rijndael object
+#      RETURNS:  msg - string - decrypted message
+#  DESCRIPTION:  decrypts the incoming message with the Crypt::Rijndael module
+#===============================================================================
+#sub decrypt_msg {
+#    my ($crypted_msg, $my_cipher) = @_ ;
+#    $crypted_msg = &decode_base64($crypted_msg);
+#    my $msg = $my_cipher->decrypt($crypted_msg); 
+#    $msg =~ s/^\0*//g;
+#    return $msg;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_xml_hash
+#   PARAMETERS:  header - string - message header (required)
+#                source - string - where the message come from (required)
+#                target - string - where the message should go to (required)
+#                [header_value] - string - something usefull (optional)
+#      RETURNS:  hash - hash - nomen est omen
+#  DESCRIPTION:  creates a key-value hash, all values are stored in a array
+#===============================================================================
+#sub create_xml_hash {
+#    my ($header, $source, $target, $header_value) = @_ ;
+#    
+#    if (not defined $header || not defined $source || not defined $target) {
+#        daemon_log("ERROR: create_xml_hash function is invoked with uncompleted parameters", 7);
+#    }
+#
+#    my $hash = {
+#            header => [$header],
+#            source => [$source],
+#            target => [$target],
+#            $header => [$header_value],
+#    };
+#    #daemon_log("create_xml_hash:", 7),
+#    #chomp(my $tmp = Dumper $hash);
+#    #daemon_log("\t$tmp\n", 7);
+#    return $hash
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_xml_string
+#   PARAMETERS:  xml_hash - hash - hash from function create_xml_hash
+#      RETURNS:  xml_string - string - xml string representation of the hash
+#  DESCRIPTION:  transform the hash to a string using XML::Simple module
+#===============================================================================
+#sub create_xml_string {
+#    my ($xml_hash) = @_ ;
+#    my $xml_string = $xml->XMLout($xml_hash, RootName => 'xml');
+#    #$xml_string =~ s/[\n]+//g;
+#    return $xml_string;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  add_content2xml_hash
+#   PARAMETERS:  xml_ref - ref - reference to a hash from function create_xml_hash
+#                element - string - key for the hash
+#                content - string - value for the hash
+#      RETURNS:  nothing 
+#  DESCRIPTION:  add key-value pair to xml_ref, if key alread exists, then append value to list
+#===============================================================================
+#sub add_content2xml_hash {
+#    my ($xml_ref, $element, $content) = @_;
+#    if(not exists $$xml_ref{$element} ) {
+#        $$xml_ref{$element} = [];
+#    }
+#    my $tmp = $$xml_ref{$element};
+#    push(@$tmp, $content);
+#    return;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_content_from_xml_hash
+#   PARAMETERS:  xml_ref - ref - reference of the xml hash
+#                element - string - key of the value you want
+#      RETURNS:  value - string - if key is either header, target or source
+#                value - list - for all other keys in xml hash
+#  DESCRIPTION:  
+#===============================================================================
+#sub get_content_from_xml_hash {
+#    my ($xml_ref, $element) = @_;
+#    my $result = $xml_ref->{$element};
+#    if( $element eq "header" || $element eq "target" || $element eq "source") {
+#        return @$result[0];
+#    }
+#    return @$result;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  open_socket
+#   PARAMETERS:  PeerAddr - string - something like 192.168.1.1 or 192.168.1.1:10000
+#                [PeerPort] - string - necessary if port not appended by PeerAddr
+#      RETURNS:  socket - IO::Socket::INET
+#  DESCRIPTION:  open a socket to PeerAddr 
+#===============================================================================
+#sub open_socket {
+#    my ($PeerAddr, $PeerPort) = @_ ;
+#    if(defined($PeerPort)){
+#        $PeerAddr = $PeerAddr.":".$PeerPort;
+#    }
+#    my $socket;
+#    $socket = new IO::Socket::INET(PeerAddr => $PeerAddr ,
+#            Porto => "tcp" ,
+#            Type => SOCK_STREAM,
+#            Reuse => 1,
+#            Timeout => 5,
+#            );
+#    if(not defined $socket) {
+#        return;
+#    }
+#    return $socket;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  read_from_socket
+#   PARAMETERS:  socket - fh - filehandel to read from  
+#      RETURNS:  result - string - readed characters from socket
+#  DESCRIPTION:  reads data from socket in 16 byte steps
+#===============================================================================
+sub read_from_socket {
+    my ($socket) = @_;
+
+    $socket->blocking(1);
+    my $result = <$socket>;
+    $socket->blocking(0);
+    my $part_msg;
+    while ($part_msg = <$socket>) {
+        if (not defined $part_msg) { last; }
+        $result .= $part_msg;
+    }
+    
+    #my $result = "";
+    #my $len = 16;
+    #while($len == 16){
+    #    my $char;
+    #    $len = sysread($socket, $char, 16);
+    #    if($len != 16) { last }
+    #    if($len != 16) { last }
+    #    $result .= $char;
+    #}
+    return $result;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  send_msg_hash2address
+#   PARAMETERS:  msg_hash - hash - xml_hash created with function create_xml_hash
+#                PeerAddr string - socket address to send msg
+#                PeerPort string - socket port, if not included in socket address
+#      RETURNS:  nothing
+#  DESCRIPTION:  ????
+#===============================================================================
+#sub send_msg_hash2address {
+#    my ($msg_hash, $address) = @_ ;
+#
+#    # fetch header for logging
+#    my $header = &get_content_from_xml_hash($msg_hash, "header");
+#
+#    # generate xml string
+#    my $msg_xml = &create_xml_string($msg_hash);
+#
+#    # fetch the appropriated passwd from hash
+#    my $passwd = $known_daemons->{$address}->{passwd};
+#
+#    # create a ciphering object
+#    my $act_cipher = &create_ciphering($passwd);
+#
+#    # encrypt xml msg
+#    my $crypted_msg = &encrypt_msg($msg_xml, $act_cipher);
+#
+#    # open socket
+#    my $socket = &open_socket($address);
+#    if(not defined $socket){
+#        daemon_log("ERROR: cannot send '$header'-msg to $address , server not reachable", 1);
+#        return;
+#    }
+#
+#    # send xml msg
+#    print $socket $crypted_msg."\n";
+#
+#    close $socket;
+#    daemon_log("send '$header'-msg to $address", 5);
+#    daemon_log("crypted_msg:\n\t$crypted_msg", 7);
+#    return;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  send_msg_hash2all
+#   PARAMETERS:  msg_hash - hash - xml_hash created with function create_xml_hash
+#      RETURNS:  nothing
+#  DESCRIPTION:  send msg_hash to all registered daemons
+#===============================================================================
+#sub send_msg_hash2all {
+#    my ($msg_hash) = @_;
+#
+#    # fetch header for logging
+#    my $header = &get_content_from_xml_hash($msg_hash, "header");
+#
+#    # generate xml string
+#    my $msg_xml = &create_xml_string($msg_hash);
+#
+#    # fetch a list of all target addresses 
+#    my @targets = keys(%$known_daemons);
+#
+#    # itterates through the list an send each the msg
+#    foreach my $target (@targets) {
+#        if($target eq $bus_address) {next};   # do not send msg to bus
+#
+#        # fetch the appropriated passwd
+#        my $passwd = $known_daemons->{$target}->{passwd};
+#
+#        # create ciphering object
+#        my $act_cipher = &create_ciphering($passwd);
+#
+#        # encrypt xml msg
+#        my $crypted_msg = &encrypt_msg($msg_xml, $act_cipher);
+#
+#        # open socket
+#        my $socket = &open_socket($target);
+#        if(not defined $socket){
+#            daemon_log("ERROR: cannot open socket to $target , server not reachable", 1);
+#            &update_known_daemons_entry(hostname=>$target, status=>"down");
+#            next;
+#        }
+#
+#        # send xml msg
+#        print $socket $crypted_msg."\n";
+#
+#        close $socket;
+#        daemon_log("send '$header'-msg to $target", 5);
+#        daemon_log("crypted_msg:\n\t$crypted_msg", 7);
+#    }
+#    return;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  here_i_am
+#   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
+#      RETURNS:  nothing
+#  DESCRIPTION:  process the incoming msg 'here_i_am'
+#===============================================================================
+sub here_i_am {
+    my ($msg_hash) = @_ ;
+    my $source = @{$msg_hash->{source}}[0];;
+
+    my $new_key = &create_passwd();
+
+    # create bus_known_server entry
+    my $add_hash = {
+        table=>"bus_known_server",
+        primkey=>"hostname",
+        hostname=>$source,
+        status=>"registered",
+        hostkey=>$bus_passwd,
+        clients=>"",
+    };
+    $bus_known_server_db->add_dbentry($add_hash);
+
+    # create outgoing msg
+    my $out_hash = &create_xml_hash("new_passwd", $bus_address, $source, $new_key);
+    &send_msg_hash2address($out_hash, $source, $bus_passwd);
+
+    # change hostkey, reason
+    my $update_hash = { table=>'bus_known_server' };
+    $update_hash->{where} = [ { hostname=>[$source] } ];
+    $update_hash->{update} = [ {  hostkey=>[$new_key] } ];
+    $bus_known_server_db->update_dbentry($update_hash);
+
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  confirm_new_passwd
+#   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
+#      RETURNS:  nothing
+#  DESCRIPTION:  process this incoming message
+#===============================================================================
+sub confirm_new_passwd {
+    my ($msg_hash) = @_ ;
+    my $source = @{$msg_hash->{source}}[0];
+
+    my $update_hash = { table=>'bus_known_server' };
+    $update_hash->{where} = [ { hostname=>[$source] } ];
+    $update_hash->{update} = [ { status=>['key_confirmed'] } ];
+    $bus_known_server_db->update_dbentry($update_hash);
+
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  ping
+#   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
+#      RETURNS:  nothing
+#  DESCRIPTION:  process this incoming message
+#===============================================================================
+sub ping {
+    my ($msg_hash) = @_ ;
+    my $header = @{$msg_hash->{header}}[0];
+    my $source = @{$msg_hash->{source}}[0];
+
+    my $update_hash = { table=>'bus_known_server',
+        where=> [ { hostname=>[$source] } ], 
+        update=> [ { status=>$header } ],
+    };
+    $bus_known_server_db->update_dbentry($update_hash);
+
+    my $out_hash = &create_xml_hash("got_ping", $bus_address, $source);
+    
+    my $res = $bus_known_server_db->select_dbentry( { table=>'bus_known_server', hostname=>$source } );
+    my $hostkey = $res->{1}->{hostkey};
+    &send_msg_hash2address($out_hash, $source, $hostkey);
+
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  make ping
+#   PARAMETERS:  address - string - address which should be pinged
+#      RETURNS:  nothing
+#  DESCRIPTION:  send ping message to address
+#===============================================================================
+#sub make_ping {
+#    my ($address) = @_;
+#    daemon_log("ping:$address\n", 1);
+#    my $out_hash = &create_xml_hash("ping", "$bus_ip:$bus_port", $address);
+#    &send_msg_hash2address($out_hash, $address);
+#    return;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  got_ping
+#   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
+#      RETURNS:  nothing
+#  DESCRIPTION:  process this incoming message
+#===============================================================================
+sub got_ping {
+    my ($msg_hash) = @_;
+    my $source = @{$msg_hash->{source}}[0];
+
+    my $update_hash = { table=>'bus_known_server',
+        where=> [ { hostname=>[$source] } ], 
+        update=> [ { status=>'got_ping' } ],
+    };
+    $bus_known_server_db->update_dbentry($update_hash);
+
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  new_client
+#   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
+#      RETURNS:  nothing
+#  DESCRIPTION:  process this incoming message
+#===============================================================================
+sub new_client {
+    my ($msg_hash) = @_ ;
+    my $source = @{$msg_hash->{source}}[0];
+    my $header = @{$msg_hash->{header}}[0];
+    my $new_client = @{$msg_hash->{$header}}[0];
+    
+    my $res = $bus_known_server_db->select_dbentry( { table=>'bus_known_server', hostname=>$source } );
+    my $clients = $res->{1}->{clients};
+
+    # if host has alread more clients, than just append
+    if( length($clients) != 0 ) {
+        $clients .= ",$new_client";
+    } else {
+        $clients = $new_client;
+    }
+
+    my $update_hash =  { table=>'bus_known_server',
+        where=>[ {hostname=>[$source] } ],
+        update=>[ {clients=>[$clients] } ],    
+    };
+
+    $bus_known_server_db->update_dbentry( $update_hash );
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  delete_client
+#   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
+#      RETURNS:  nothing
+#  DESCRIPTION:  process this incoming message
+#===============================================================================
+#sub delete_client {
+#    my ($msg_hash) = @_ ;
+#    my $source = &get_content_from_xml_hash($msg_hash, "source");
+#    my $header = &get_content_from_xml_hash($msg_hash, "header");
+#    my $del_client = (&get_content_from_xml_hash($msg_hash, $header))[0];
+#   
+#    if (not exists $known_daemons->{$source}->{$del_client}) {
+#        daemon_log
+#    }
+#    delete $known_daemons->{$source}->{$del_client};
+#    
+#    return;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  print_known_daemons_hash
+#   PARAMETERS:  nothing
+#      RETURNS:  nothing
+#  DESCRIPTION:  nome est omen
+#===============================================================================
+#sub print_known_daemons_hash {
+#    my ($tmp) = @_;
+#    print "####################################\n";
+#    print "# status of known_daemons\n";
+#    my $hosts;
+#    my $host_hash;
+#    $shmkh->shlock(LOCK_EX);
+#    my @hosts = keys %$known_daemons;
+#    foreach my $host (@hosts) {
+#        my $status = $known_daemons->{$host}->{status} ;
+#        my $passwd = $known_daemons->{$host}->{passwd};
+#        my $timestamp = $known_daemons->{$host}->{timestamp};
+#        my @clients = keys %{$known_daemons->{$host}->{clients}};
+#        my $client_string = join(", ", @clients);
+#        print "$host\n";
+#        print "\tstatus:    $status\n";
+#        print "\tpasswd:    $passwd\n";
+#        print "\ttimestamp: $timestamp\n";
+#        print "\tclients:   $client_string\n";
+#        
+#    }
+#    $shmkh->shunlock(LOCK_EX);
+#    print "####################################\n\n";
+#    return;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_known_daemons_entry
+#   PARAMETERS:  hostname - string - ip address and port of host
+#      RETURNS:  nothing
+#  DESCRIPTION:  nome est omen
+#===============================================================================
+#sub create_known_daemons_entry {
+#    my ($hostname) = @_;
+#    $shmkh->shlock(LOCK_EX);
+#    $known_daemons->{$hostname} = {};
+#    $known_daemons->{$hostname}->{status} = "none";
+#    $known_daemons->{$hostname}->{passwd} = "none";
+#    $known_daemons->{$hostname}->{timestamp} = "none";
+#    $known_daemons->{$hostname}->{clients} = {};
+#    $shmkh->shunlock(LOCK_EX); 
+#    return;  
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  update_known_daemons_entry
+#   PARAMETERS:  hostname - string - ip address and port of host (required)
+#                status - string - (optional)
+#                passwd - string - (optional)
+#                client - string - ip address and port of client (optional)
+#      RETURNS:  nothing
+#  DESCRIPTION:  nome est omen and updates each time the timestamp of hostname
+#===============================================================================
+#sub update_known_daemons_entry {
+#    my $arg = {
+#        hostname => undef, status => undef, passwd => undef,
+#        client => undef,
+#        @_ };
+#    my $hostname = $arg->{hostname};
+#    my $status = $arg->{status};
+#    my $passwd = $arg->{passwd};
+#    my $client = $arg->{client};
+#
+#    if (not defined $hostname) {
+#        daemon_log("ERROR: function add_content2known_daemons is not invoked with requiered parameter 'hostname'", 1);
+#        return;
+#    }
+#
+#    my ($seconds, $minutes, $hours, $monthday, $month,
+#    $year, $weekday, $yearday, $sommertime) = localtime(time);
+#    $hours = $hours < 10 ? $hours = "0".$hours : $hours;
+#    $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
+#    $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
+#    $month+=1;
+#    $month = $month < 10 ? $month = "0".$month : $month;
+#    $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
+#    $year+=1900;
+#    my $t = "$year$month$monthday$hours$minutes$seconds";
+#
+#    $shmkh->shlock(LOCK_EX);
+#    if (defined $status) {
+#        $known_daemons->{$hostname}->{status} = $status;
+#    }
+#    if (defined $passwd) {
+#        $known_daemons->{$hostname}->{passwd} = $passwd;
+#    }
+#    if (defined $client) {
+#        $known_daemons->{$hostname}->{clients}->{$client} = "";
+#    }
+#    $known_daemons->{$hostname}->{timestamp} = $t;
+#    $shmkh->shunlock(LOCK_EX);
+#    return;
+#}
+
+
+#==== MAIN = main ==============================================================
+
+#  parse commandline options
+Getopt::Long::Configure( "bundling" );
+GetOptions("h|help" => \&usage,
+           "c|config=s" => \$cfg_file,
+           "f|foreground" => \$foreground,
+           "v|verbose+" => \$verbose,
+           );
+
+#  read and set config parameters
+&check_cmdline_param ;
+&read_configfile;
+&check_pid;
+
+$SIG{CHLD} = 'IGNORE';
+
+# restart daemon log file
+if(-e $log_file ) { unlink $log_file }
+daemon_log(" ", 1);
+daemon_log("$0 started!", 1);
+
+# forward error messages to logfile
+if( ! $foreground ) {
+	open(STDERR, '>>', $log_file);
+	open(STDOUT, '>>', $log_file);
+}
+
+# Just fork, if we"re not in foreground mode
+if( ! $foreground ) {
+	chdir '/'                 or die "Can't chdir to /: $!";
+	$pid = fork;
+	setsid                    or die "Can't start a new session: $!";
+	umask 0;
+}
+
+else { $pid = $$; }
+
+# Do something useful - put our PID into the pid_file
+if( 0 != $pid ) {
+    open( LOCK_FILE, ">$pid_file" );
+    print LOCK_FILE "$pid\n";
+    close( LOCK_FILE );
+    if( !$foreground ) { exit( 0 ) };
+}
+
+# connect to bus_known_server_db
+my @server_col_names = ('hostname', 'status', 'hostkey', 'timestamp', 'clients' );
+$bus_known_server_db = GOSA::DBsqlite->new($bus_known_server_file_name);
+$bus_known_server_db->create_table('bus_known_server', \@server_col_names);
+
+
+# detect own ip and mac address
+$network_interface= &get_interface_for_ip($bus_ip);
+$bus_mac_address= &get_mac($network_interface);
+
+daemon_log("bus ip address detected: $bus_ip", 1);
+daemon_log("bus mac address detected: $bus_mac_address", 1);
+
+# complete addresses
+$bus_address = "$bus_ip:$bus_port";
+
+# setup xml parser
+$xml = new XML::Simple();
+
+# create cipher object
+$bus_cipher = &create_ciphering($bus_passwd);
+$bus_address = "$bus_ip:$bus_port";
+
+# create reading and writing vectors
+my $rbits = my $wbits = my $ebits = "";
+
+# open the bus socket
+if($bus_activ eq "on") {
+    daemon_log(" ", 1);
+    $bus = IO::Socket::INET->new(LocalPort => $bus_port,
+            Type => SOCK_STREAM,
+            Reuse => 1,
+            Listen => 20,
+            ) or die "kann kein TCP-Server an Port $bus_port sein: $@\n";
+    vec($rbits, fileno $bus, 1) = 1;
+    vec($wbits, fileno $bus, 1) = 1;
+    daemon_log ("start bus at $bus_ip:$bus_port", 1);        
+}
+
+# add bus to known_daemons 
+
+#&create_known_daemons_entry($bus_address);
+#&update_known_daemons_entry(hostname=>$bus_address, status=>"bus", passwd=>$bus_passwd);
+
+
+while(1) {
+    my $nf = select($rbits, $wbits, undef, undef);
+    # error handling
+    if($nf < 0 ) { 
+    }
+
+    # something is coming in 
+    if(vec $rbits, fileno $bus, 1 ) {
+        my $client = $bus->accept();
+        my $other_end = getpeername($client);
+        if(not defined $other_end) {
+            daemon_log("Gegenstelle konnte nicht identifiziert werden: $!\n");
+        } else {
+            my ($port, $iaddr) = unpack_sockaddr_in($other_end);
+            my $actual_ip = inet_ntoa($iaddr);
+            daemon_log("\naccept client from $actual_ip\n", 5);
+            my $in_msg = &read_from_socket($client);
+            if(defined $in_msg){
+                &activating_child($in_msg, $actual_ip);
+            } else {
+                daemon_log("cannot read from $actual_ip\n",1);
+            }
+        }
+        close($client);        
+    }
+
+}
+
+
diff --git a/gosa-si-poe/gosa-si-client b/gosa-si-poe/gosa-si-client
new file mode 100755
index 000000000..69a5f7ffd
--- /dev/null
+++ b/gosa-si-poe/gosa-si-client
@@ -0,0 +1,1363 @@
+#!/usr/bin/perl
+#===============================================================================
+#
+#         FILE:  gosa-server
+#
+#        USAGE:  gosa-si-client
+#
+#  DESCRIPTION:
+#
+#      OPTIONS:  ---
+# REQUIREMENTS:  libnetaddr-ip-perl
+#         BUGS:  ---
+#        NOTES:
+#       AUTHOR:   (Andreas Rettenberger), <rettenberger@gonicus.de>
+#      COMPANY:
+#      VERSION:  1.0
+#      CREATED:  12.09.2007 08:54:41 CEST
+#     REVISION:  ---
+#===============================================================================
+
+use strict;
+use warnings;
+use Getopt::Long;
+use Config::IniFiles;
+use POSIX;
+use Time::HiRes qw( gettimeofday );
+
+use Fcntl;
+use IO::Socket::INET;
+use Crypt::Rijndael;
+use MIME::Base64;
+use Digest::MD5  qw(md5 md5_hex md5_base64);
+use XML::Simple;
+use Data::Dumper;
+use Sys::Syslog qw( :DEFAULT setlogsock);
+use File::Spec;
+use Cwd;
+use NetAddr::IP;
+use GOSA::GosaSupportDaemon;
+
+
+my ($cfg_file, %cfg_defaults, $foreground, $verbose, $pid_file, $procid, $pid, $log_file);
+my ($server_address, $server_ip, $server_port, $server_domain, $server_passwd, $server_cipher, $server_timeout);
+my ($client_address, $client_ip, $client_port, $client_mac_address, $network_interface, $ldap_config, $pam_config, $nss_config);
+my ($input_socket, $rbits, $wbits, $ebits, $xml, $known_hosts, $ldap_enabled);
+my (@events);
+
+# default variables
+my $event_dir = "/usr/lib/gosa-si/client/events";
+$known_hosts = {};
+$foreground = 0 ;
+%cfg_defaults =
+("general" =>
+    {"log_file" => [\$log_file, "/var/run/".$0.".log"],
+    "pid_file" => [\$pid_file, "/var/run/".$0.".pid"],
+    },
+"client" => 
+    {"client_port" => [\$client_port, "20083"],
+     "client_ip" => [\$client_ip, "0.0.0.0"],
+     "ldap" => [\$ldap_enabled, 1],
+     "ldap_config" => [\$ldap_config, "/etc/ldap/ldap.conf"],
+     "pam_config" => [\$pam_config, "/etc/pam_ldap.conf"],
+     "nss_config" => [\$nss_config, "/etc/libnss_ldap.conf"],
+    },
+"server" =>
+    {"server_ip" => [\$server_ip, ""],
+    "server_port" => [\$server_port, "20081"],
+    "server_passwd" => [\$server_passwd, ""],
+    "server_timeout" => [\$server_timeout, 10],
+    "server_domain" => [\$server_domain, ""],
+    },
+    );
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  read_configfile
+#   PARAMETERS:  cfg_file - string - 
+#      RETURNS:  
+#  DESCRIPTION: 
+#===============================================================================
+sub read_configfile {
+    my $cfg;
+    if( defined( $cfg_file) && ( length($cfg_file) > 0 )) {
+        if( -r $cfg_file ) {
+            $cfg = Config::IniFiles->new( -file => $cfg_file );
+        } else {
+            print STDERR "Couldn't read config file!";
+        }
+    } else {
+        $cfg = Config::IniFiles->new() ;
+    }
+    foreach my $section (keys %cfg_defaults) {
+        foreach my $param (keys %{$cfg_defaults{ $section }}) {
+            my $pinfo = $cfg_defaults{ $section }{ $param };
+            ${@$pinfo[ 0 ]} = $cfg->val( $section, $param, @$pinfo[ 1 ] );
+        }
+    }
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  logging
+#   PARAMETERS:  level - string - default 'info' 
+#                msg - string - 
+#                facility - string - default 'LOG_DAEMON' 
+#      RETURNS:  
+#  DESCRIPTION: 
+#===============================================================================
+sub daemon_log {
+    my( $msg, $level ) = @_;
+    if(not defined $msg) { return }
+    if(not defined $level) { $level = 1 }
+    if(defined $log_file){
+        open(LOG_HANDLE, ">>$log_file");
+        if(not defined open( LOG_HANDLE, ">>$log_file" )) { 
+            print STDERR "cannot open $log_file: $!";
+            return }
+        chomp($msg);
+        if($level <= $verbose){
+            print LOG_HANDLE $msg."\n";
+            if(defined $foreground) { print $msg."\n" }
+        }
+    }
+    close( LOG_HANDLE );
+#    my ($msg, $level, $facility) = @_;
+#    if(not defined $msg) {return}
+#    if(not defined $level) {$level = "info"}
+#    if(not defined $facility) {$facility = "LOG_DAEMON"}
+#    openlog($0, "pid,cons,", $facility);
+#    syslog($level, $msg);
+#    closelog;
+#    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME: check_cmdline_param
+#   PARAMETERS: 
+#      RETURNS:  
+#  DESCRIPTION: 
+#===============================================================================
+sub check_cmdline_param () {
+    my $err_config;
+    my $err_counter = 0;
+    if( not defined( $cfg_file)) {
+        #$err_config = "please specify a config file";
+        #$err_counter += 1;
+        my $cwd = getcwd;
+        my $name = "/etc/gosa-si/client.conf";
+        $cfg_file = File::Spec->catfile( $cwd, $name );
+        print STDERR "no conf file specified\n   try to use default: $cfg_file\n";        
+    }
+    if( $err_counter > 0 ) {
+        &usage( "", 1 );
+        if( defined( $err_config)) { print STDERR "$err_config\n"}
+        print STDERR "\n";
+        exit( -1 );
+    }
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME: check_pid
+#   PARAMETERS:
+#      RETURNS:
+#  DESCRIPTION:
+#===============================================================================
+sub check_pid {
+    $pid = -1;
+    # Check, if we are already running
+    if( open(LOCK_FILE, "<$pid_file") ) {
+        $pid = <LOCK_FILE>;
+        if( defined $pid ) {
+            chomp( $pid );
+            if( -f "/proc/$pid/stat" ) {
+                my($stat) = `cat /proc/$pid/stat` =~ m/$pid \((.+)\).*/;
+                if( $0 eq $stat ) {
+                    close( LOCK_FILE );
+                    exit -1;
+                }
+            }
+        }
+        close( LOCK_FILE );
+        unlink( $pid_file );
+    }
+
+    # create a syslog msg if it is not to possible to open PID file
+    if (not sysopen(LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
+        my($msg) = "Couldn't obtain lockfile '$pid_file' ";
+        if (open(LOCK_FILE, '<', $pid_file)
+                && ($pid = <LOCK_FILE>))
+        {
+            chomp($pid);
+            $msg .= "(PID $pid)\n";
+        } else {
+            $msg .= "(unable to read PID)\n";
+        }
+        if( ! ($foreground) ) {
+            openlog( $0, "cons,pid", "daemon" );
+            syslog( "warning", $msg );
+            closelog();
+        }
+        else {
+            print( STDERR " $msg " );
+        }
+        exit( -1 );
+    }
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_interface_for_ip
+#   PARAMETERS:  ip address (i.e. 192.168.0.1)
+#      RETURNS:  array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
+#  DESCRIPTION:  Uses proc fs (/proc/net/dev) to get list of interfaces.
+#===============================================================================
+sub get_interface_for_ip {
+        my $result;
+        my $ip= shift;
+        if ($ip && length($ip) > 0) {
+                my @ifs= &get_interfaces();
+                if($ip eq "0.0.0.0") {
+                        $result = "all";
+                } else {
+                        foreach (@ifs) {
+                                my $if=$_;
+                                if(get_ip($if) eq $ip) {
+                                        $result = $if;
+					last;
+                                }
+                        }       
+                }
+        }       
+        return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_interfaces 
+#   PARAMETERS:  none
+#      RETURNS:  (list of interfaces) 
+#  DESCRIPTION:  Uses proc fs (/proc/net/dev) to get list of interfaces.
+#===============================================================================
+sub get_interfaces {
+        my @result;
+        my $PROC_NET_DEV= ('/proc/net/dev');
+
+        open(PROC_NET_DEV, "<$PROC_NET_DEV")
+                or die "Could not open $PROC_NET_DEV";
+
+        my @ifs = <PROC_NET_DEV>;
+
+        close(PROC_NET_DEV);
+
+        # Eat first two line
+        shift @ifs;
+        shift @ifs;
+
+        chomp @ifs;
+        foreach my $line(@ifs) {
+                my $if= (split /:/, $line)[0];
+                $if =~ s/^\s+//;
+                push @result, $if;
+        }
+
+        return @result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_mac 
+#   PARAMETERS:  interface name (i.e. eth0)
+#      RETURNS:  (mac address) 
+#  DESCRIPTION:  Uses ioctl to get mac address directly from system.
+#===============================================================================
+sub get_mac {
+        my $ifreq= shift;
+        my $result;
+        if ($ifreq && length($ifreq) > 0) { 
+                if($ifreq eq "all") {
+			if(defined($server_ip)) {
+				$result = &get_local_mac_for_remote_ip($server_ip);
+			} else {
+				$result = "00:00:00:00:00:00";
+			}
+                } else {
+                        my $SIOCGIFHWADDR= 0x8927;     # man 2 ioctl_list
+
+                        # A configured MAC Address should always override a guessed value
+                        if ($client_mac_address and length($client_mac_address) > 0) {
+                                $result= $client_mac_address;
+                        }
+
+                        socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
+                                or die "socket: $!";
+
+                        if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
+                                my ($if, $mac)= unpack 'h36 H12', $ifreq;
+
+                                if (length($mac) > 0) {
+                                        $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
+                                        $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
+                                        $result = $mac;
+                                }
+                        }
+                }
+        }
+        return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_ip 
+#   PARAMETERS:  interface name (i.e. eth0)
+#      RETURNS:  (ip address) 
+#  DESCRIPTION:  Uses ioctl to get ip address directly from system.
+#===============================================================================
+sub get_ip {
+        my $ifreq= shift;
+        my $result= "";
+        my $SIOCGIFADDR= 0x8915;       # man 2 ioctl_list
+        my $proto= getprotobyname('ip');
+
+        socket SOCKET, PF_INET, SOCK_DGRAM, $proto
+                or die "socket: $!";
+
+        if(ioctl SOCKET, $SIOCGIFADDR, $ifreq) {
+                my ($if, $sin)    = unpack 'a16 a16', $ifreq;
+                my ($port, $addr) = sockaddr_in $sin;
+                my $ip            = inet_ntoa $addr;
+
+                if ($ip && length($ip) > 0) {
+                        $result = $ip;
+                }
+        }
+
+        return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_local_mac_for_remote_ip
+#   PARAMETERS:  none (takes server_ip from global variable)
+#      RETURNS:  (ip address from interface that is used for communication) 
+#  DESCRIPTION:  Uses ioctl to get routing table from system, checks which entry
+#                matches (defaultroute last).
+#===============================================================================
+sub get_local_mac_for_remote_ip {
+        my $ifreq= shift;
+        my $result= "00:00:00:00:00:00";
+        my $PROC_NET_ROUTE= ('/proc/net/route');
+
+        open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
+                or die "Could not open $PROC_NET_ROUTE";
+
+        my @ifs = <PROC_NET_ROUTE>;
+
+        close(PROC_NET_ROUTE);
+
+	# Eat header line
+	shift @ifs;
+	chomp @ifs;
+	foreach my $line(@ifs) {
+		my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
+		my $destination;
+		my $mask;
+		my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
+		$destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
+		($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
+		$mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
+		if(new NetAddr::IP($server_ip)->within(new NetAddr::IP($destination, $mask))) {
+			# destination matches route, save mac and exit
+			$result= &get_mac($Iface);
+			last;
+		}
+	}
+
+
+        return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  usage
+#   PARAMETERS: 
+#      RETURNS:  
+#  DESCRIPTION: 
+#===============================================================================
+sub usage {
+        my( $text, $help ) = @_;
+        $text = undef if( "h" eq $text );
+        (defined $text) && print STDERR "\n$text\n";
+        if( (defined $help && $help) || (!defined $help && !defined $text) ) {
+                print STDERR << "EOF" ;
+usage: $0 [-hvf] [-c config]
+
+    -h        : this (help) message
+    -c <file> : config file
+    -f        : foreground, process will not be forked to background
+    -v        : be verbose (multiple to increase verbosity)
+EOF
+        }
+        print "\n" ;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_server_addresses
+#   PARAMETERS:  
+#      RETURNS:  
+#  DESCRIPTION:  
+#===============================================================================
+sub get_server_addresses {
+    my $domain= shift;
+    my @result;
+    my $dig_cmd= 'dig +nocomments srv _gosad._tcp.'.$domain;
+
+    my $output= `$dig_cmd 2>&1`;
+    open (PIPE, "$dig_cmd 2>&1 |");
+    while(<PIPE>) {
+        chomp $_;
+        # If it's not a comment
+        if($_ =~ m/^[^;]/) {
+            my @matches= split /\s+/;
+
+            # Push hostname with port
+            if($matches[3] eq 'SRV') {
+                push @result, $matches[7].':'.$matches[6];
+            } elsif ($matches[3] eq 'A') {
+                my $i=0;
+
+                # Substitute the hostname with the ip address of the matching A record
+                foreach my $host (@result) {
+                    if ((split /\:/, $host)[0] eq $matches[0]) {
+                        $result[$i]= $matches[4].':'.(split /\:/, $host)[1];
+                    }
+                    $i++;
+                }
+            }
+        }
+    }
+    close(PIPE);
+    return @result;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  register_at_server
+#   PARAMETERS:  
+#      RETURNS:  
+#  DESCRIPTION:  
+#===============================================================================
+sub register_at_server {
+    my ($tmp) = @_;
+
+    # create new passwd and ciphering object for client-server communication
+    my $new_server_passwd = &create_passwd();
+    my $new_server_cipher;
+
+    # detect all client accepted events
+    opendir(DIR, $event_dir) 
+        or daemon_log("cannot find directory $event_dir!\ngosa-si-client starts without any accepting events!", 1);
+    my $file_name;
+    my @events_list = ();
+    while(defined($file_name = readdir(DIR))){
+        if ($file_name eq "." || $file_name eq "..") {
+            next;
+        }
+        push(@events_list, $file_name);
+    }
+    my $events = join(",", @events_list);
+    daemon_log("found events: $events", 1);
+
+    # fill in all possible servers
+    my @servers;
+    if (defined $server_domain) {
+        my @tmp_servers = &get_server_addresses($server_domain);
+        foreach my $server (@tmp_servers) { unshift(@servers, $server); }
+    }
+    # add server address from config file at first position of server list
+    if (defined $server_address) {
+        unshift(@servers, $server_address);
+    }
+    daemon_log("found servers in configuration file and via DNS:", 5);
+    foreach my $server (@servers) {
+        daemon_log("\t$server", 5);
+    }
+
+    my ($rout, $wout, $reg_server);
+    foreach my $server (@servers) {
+
+        # create msg hash
+        my $register_hash = &create_xml_hash("here_i_am", $client_address, $server);
+        &add_content2xml_hash($register_hash, "new_passwd", $new_server_passwd);
+        &add_content2xml_hash($register_hash, "mac_address", $client_mac_address);
+        &add_content2xml_hash($register_hash, "events", $events);
+
+        my $tmp = print Dumper $register_hash;
+
+        # send xml hash to server with general server passwd
+        my $answer = &send_msg_hash2address($register_hash, $server, $server_passwd);
+ 
+        if ($answer != 0) { next; }
+       
+        # waiting for response
+        daemon_log("waiting for response...\n", 5);
+        my $nf = select($rout=$rbits, $wout=$wbits, undef, $server_timeout);
+
+        # something is coming in
+        if(vec $rout, fileno $input_socket, 1) {
+            my $crypted_msg;
+            my $client = $input_socket->accept();
+            my $other_end = getpeername($client);
+            if(not defined $other_end) {
+                daemon_log("client cannot be identified: $!\n");
+            } else {
+                my ($port, $iaddr) = unpack_sockaddr_in($other_end);
+                my $actual_ip = inet_ntoa($iaddr);
+                daemon_log("\naccept client from $actual_ip\n", 5);
+                my $in_msg = &read_from_socket($client);
+                if(defined $in_msg){
+                    chomp($in_msg);
+                    $crypted_msg = $in_msg;
+                } else {
+                    daemon_log("cannot read from $actual_ip\n", 5);
+                }
+            }
+            close($client);
+            
+            # validate acknowledge msg from server
+            $new_server_cipher = &create_ciphering($new_server_passwd);
+            my $msg_hash;
+            eval {
+                my $decrypted_msg = &decrypt_msg($crypted_msg, $new_server_cipher);
+                daemon_log("decrypted register msg: $decrypted_msg", 5);
+                $msg_hash = $xml->XMLin($decrypted_msg, ForceArray=>1);
+            };
+            if($@) {
+                daemon_log("ERROR: do not understand the incoming message:" , 5);  
+                daemon_log("$@", 7); 
+            } else {
+                my $header = @{$msg_hash->{header}}[0];
+                if($header eq "registered") {
+                    $reg_server = $server;
+                    last;
+                } elsif($header eq "denied") {
+                    my $reason = (&get_content_from_xml_hash($msg_hash, "denied"))[0];
+                    daemon_log("registration at $server denied: $reason", 1);
+                } else {
+                    daemon_log("cannot register at $server", 1);
+                }
+            }
+        }
+        # if no answer arrive, try next server in list
+
+    }
+    
+    if(defined $reg_server) {
+        daemon_log("registered at $reg_server", 1);
+    } else {
+        daemon_log("cannot register at any server", 1);
+        daemon_log("exiting!!!", 1);
+        exit(1);
+    }
+
+    # update the global available variables
+    $server_address = $reg_server;
+    $server_passwd = $new_server_passwd;
+    $server_cipher = $new_server_cipher;
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_xml_hash
+#   PARAMETERS:  
+#      RETURNS:
+#  DESCRIPTION:
+#===============================================================================
+#sub create_xml_hash {
+#    my ($header, $source, $target, $header_value) = @_;
+#    my $hash = {
+#            header => [$header],
+#            source => [$source],
+#            target => [$target],
+#            $header => [$header_value],
+#    };
+#    daemon_log("create_xml_hash:", 7),
+#    chomp(my $tmp = Dumper $hash);
+#    daemon_log("\t$tmp\n", 7);
+#    return $hash
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_xml_string
+#   PARAMETERS:  
+#      RETURNS:
+#  DESCRIPTION:
+#===============================================================================
+#sub create_xml_string {
+#    my ($xml_hash) = @_ ;
+#    my $xml_string = $xml->XMLout($xml_hash, RootName => 'xml');
+#    $xml_string =~ s/[\n]+//g;
+#    daemon_log("create_xml_string:\n\t$xml_string\n", 7);
+#    return $xml_string;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  add_content2xml_hash
+#   PARAMETERS:  
+#      RETURNS:
+#  DESCRIPTION:
+#===============================================================================
+#sub add_content2xml_hash {
+#    my ($xml_ref, $element, $content) = @_;
+#    if(not exists $$xml_ref{$element} ) {
+#        $$xml_ref{$element} = [];
+#    }
+#    my $tmp = $$xml_ref{$element};
+#    push(@$tmp, $content);
+#    return;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_content_from_xml_hash
+#   PARAMETERS:  ref : reference to the xml hash
+#                string: key of the value you want
+#      RETURNS:  STRING AND ARRAY
+#  DESCRIPTION:  if key of the hash is either 'header', 'target' or 'source' the 
+#                function returns a string cause it is expected that these keys
+#                do just have one value, all other keys returns an array!!!
+#===============================================================================
+#sub get_content_from_xml_hash {
+#    my ($xml_ref, $element) = @_;
+#    my $result = $xml_ref->{$element};
+#    if( $element eq "header" || $element eq "target" || $element eq "source") {
+#        return @$result[0];
+#    }
+#    return @$result;
+#}
+
+#    my ($xml_ref, $element) = @_;
+#    if (exists $xml_ref->{$element}) {
+#        my $result = $xml_ref->{$element};
+#        if( $element eq "header" || $element eq "target" || $element eq "source") {
+#            return @$result[0];
+#        } else {
+#            return @$result;
+#        }
+#        
+#    } else {
+#        my $result = ();
+#        return @$result;
+#    }
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  encrypt_msg
+#   PARAMETERS:
+#      RETURNS:
+#  DESCRIPTION:
+#===============================================================================
+#sub encrypt_msg {
+#    my ($msg, $my_cipher) = @_;
+#    if(not defined $my_cipher) { print "no cipher object\n"; }
+#    $msg = "\0"x(16-length($msg)%16).$msg;
+#    my $crypted_msg = $my_cipher->encrypt($msg);
+#    chomp($crypted_msg = &encode_base64($crypted_msg));
+#    return $crypted_msg;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  decrypt_msg
+#   PARAMETERS:
+#      RETURNS:
+#  DESCRIPTION:
+#===============================================================================
+#sub decrypt_msg {
+#    my ($crypted_msg, $my_cipher) = @_ ;
+#    $crypted_msg = &decode_base64($crypted_msg);
+#    my $msg = $my_cipher->decrypt($crypted_msg); 
+#    $msg =~ s/\0*//g;
+#    return $msg;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_ciphering
+#   PARAMETERS:  
+#      RETURNS:  cipher object
+#  DESCRIPTION:  
+#===============================================================================
+#sub create_ciphering {
+#    my ($passwd) = @_;
+#    $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
+#    my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
+#
+#    #daemon_log("iv: $iv", 7);
+#    #daemon_log("key: $passwd", 7);
+#    my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
+#    $my_cipher->set_iv($iv);
+#    return $my_cipher;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_passwd
+#   PARAMETERS:
+#      RETURNS:  cipher object
+#  DESCRIPTION:
+#===============================================================================
+sub create_passwd {
+    my $new_passwd = "";
+    for(my $i=0; $i<31; $i++) {
+        $new_passwd .= ("a".."z","A".."Z",0..9)[int(rand(62))]
+    }
+
+    return $new_passwd;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  send_msg_hash2address
+#   PARAMETERS:  msg string - xml message
+#                PeerAddr string - socket address to send msg
+#                PeerPort string - socket port, if not included in socket address
+#      RETURNS:  nothing
+#  DESCRIPTION:  ????
+#===============================================================================
+#sub send_msg_hash2address {
+#    my ($msg_hash, $address, $passwd) = @_ ;
+#
+#    # fetch header for logging
+#    my $header = @{$msg_hash->{header}}[0];
+#
+#    # generiere xml string
+#    my $msg_xml = &create_xml_string($msg_hash);
+#
+#    # hole das entsprechende passwd aus dem hash
+#    if(not defined $passwd) {
+#        if(exists $known_hosts->{$address}) {
+#            $passwd = $known_hosts->{$address}->{passwd};
+#        } elsif ($address eq $server_address) {
+#            $passwd = $server_passwd;
+#        } else {
+#            daemon_log("$address not known, neither as server nor as client", 1);
+#            return "failed";
+#        }
+#    }
+#
+#    # erzeuge ein ciphering object
+#    my $act_cipher = &create_ciphering($passwd);
+#
+#    # encrypt xml msg
+#    my $crypted_msg = &encrypt_msg($msg_xml, $act_cipher);
+#
+#    # öffne socket
+#    my $socket = &open_socket($address);
+#    if(not defined $socket){
+#        daemon_log("cannot open socket to $address, server not reachable", 1);
+#        daemon_log("cannot send '$header'-msg", 1);
+#        return "failed";
+#    }
+#
+#    # versende xml msg
+#    print $socket $crypted_msg."\n";
+#
+#    # schließe socket
+#    close $socket;
+#
+#    daemon_log("send '$header'-msg to $address", 5);
+#    daemon_log("crypted_msg:\n\t$crypted_msg", 7);
+#
+#    return "done";
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  open_socket
+#   PARAMETERS:  PeerAddr string something like 192.168.1.1 or 192.168.1.1:10000
+#                [PeerPort] string necessary if port not appended by PeerAddr
+#      RETURNS:  socket IO::Socket::INET
+#  DESCRIPTION:
+#===============================================================================
+sub open_socket {
+    my ($PeerAddr, $PeerPort) = @_ ;
+    if(defined($PeerPort)){
+        $PeerAddr = $PeerAddr.":".$PeerPort;
+    }
+    my $socket;
+    $socket = new IO::Socket::INET(PeerAddr => $PeerAddr ,
+            Porto => "tcp" ,
+            Type => SOCK_STREAM,
+            Timeout => 5,
+            );
+    if(not defined $socket) {
+        #daemon_log("cannot connect to socket at $PeerAddr, $@\n");
+        return;
+    }
+    daemon_log("open_socket:\n\t$PeerAddr", 7);
+    return $socket;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  read_from_socket
+#   PARAMETERS:  socket fh - 
+#      RETURNS:  result string - readed characters from socket
+#  DESCRIPTION:  reads data from socket in 16 byte steps
+#===============================================================================
+sub read_from_socket {
+    my ($socket) = @_;
+    my $result = "";
+
+    $socket->blocking(1);
+    $result = <$socket>;
+
+    $socket->blocking(0);
+    while ( my $char = <$socket> ) {
+        if (not defined $char) { last }
+        $result .= $char;
+    }
+    return $result;
+
+
+
+#    my ($socket) = @_;
+#    my $result = "";
+#    my $len = 16;
+#    while($len == 16){
+#        my $char;
+#        $len = sysread($socket, $char, 16);
+#        if($len != 16) { last }
+#        if($len != 16) { last }
+#        $result .= $char;
+#    }
+#    return $result;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  print_known_hosts_hash
+#   PARAMETERS:
+#      RETURNS: 
+#  DESCRIPTION: 
+#===============================================================================
+sub print_known_hosts_hash {
+    my ($tmp) = @_;
+    print "####################################\n";
+    print "# status of known_hosts\n";
+    my $hosts;
+    my $host_hash;
+    my @hosts = keys %$known_hosts;
+    foreach my $host (@hosts) {
+        #my @elements = keys %$known_hosts->{$host};
+        my $status = $known_hosts->{$host}->{status} ;
+        my $passwd = $known_hosts->{$host}->{passwd};
+        my $timestamp = $known_hosts->{$host}->{timestamp};
+        print "$host\n";
+        print "\t$status\n";
+        print "\t$passwd\n";
+        print "\t$timestamp\n";
+    }
+    print "####################################\n";
+    return;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  
+#   PARAMETERS:
+#      RETURNS: 
+#  DESCRIPTION: 
+#===============================================================================
+sub create_known_hosts_entry {
+    my ($hostname) = @_;
+    $known_hosts->{$hostname} = {};
+    $known_hosts->{$hostname}->{status} = "none";
+    $known_hosts->{$hostname}->{passwd} = "none";
+    $known_hosts->{$hostname}->{timestamp} = "none";
+    return;  
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  
+#   PARAMETERS:
+#      RETURNS: 
+#  DESCRIPTION: 
+#===============================================================================
+sub update_known_hosts_entry {
+    my ($hostname, $status, $passwd, $timestamp) = @_;
+    my ($seconds, $minutes, $hours, $monthday, $month,
+    $year, $weekday, $yearday, $sommertime) = localtime(time);
+    $hours = $hours < 10 ? $hours = "0".$hours : $hours;
+    $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
+    $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
+    $month+=1;
+    $month = $month < 10 ? $month = "0".$month : $month;
+    $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
+    $year+=1900;
+    my $t = "$year$month$monthday$hours$minutes$seconds";
+
+    if($status) {
+        $known_hosts->{$hostname}->{status} = $status;
+    }
+    if($passwd) {
+        $known_hosts->{$hostname}->{passwd} = $passwd;
+    }
+    if($timestamp) {
+        $t = $timestamp;
+    }
+    $known_hosts->{$hostname}->{timestamp} = $t;
+    return;  
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  
+#   PARAMETERS:
+#      RETURNS: 
+#  DESCRIPTION: 
+#===============================================================================
+sub add_content2known_hosts {
+    my ($hostname, $element, $content) = @_;
+    my ($seconds, $minutes, $hours, $monthday, $month,
+    $year, $weekday, $yearday, $sommertime) = localtime(time);
+    $hours = $hours < 10 ? $hours = "0".$hours : $hours;
+    $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
+    $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
+    $month+=1;
+    $month = $month < 10 ? $month = "0".$month : $month;
+    $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
+    $year+=1900;
+    my $t = "$year$month$monthday$hours$minutes$seconds";
+    
+    $known_hosts->{$hostname}->{$element} = $content;
+    $known_hosts->{$hostname}->{timestamp} = $t;
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  
+#   PARAMETERS:
+#      RETURNS: 
+#  DESCRIPTION: 
+#===============================================================================
+sub process_incoming_msg {
+    my ($crypted_msg) = @_;
+    if(not defined $crypted_msg) {
+        daemon_log("function 'process_incoming_msg': got no msg", 7);
+    }
+    $crypted_msg =~ /^([\s\S]*?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)$/;
+    $crypted_msg = $1;
+    my $host = sprintf("%s.%s.%s.%s", $2, $3, $4, $5);
+    daemon_log("msg from host:", 1);
+    daemon_log("\t$host", 1);
+    daemon_log("crypted msg:", 7);
+    daemon_log("\t$crypted_msg", 7);
+
+    my $act_cipher = &create_ciphering($server_passwd);
+
+    # try to decrypt incoming msg
+    my ($msg, $msg_hash);
+    eval{
+        $msg = &decrypt_msg($crypted_msg, $act_cipher);
+        $msg_hash = $xml->XMLin($msg, ForceArray=>1);
+    };
+    if($@) {
+        daemon_log("ERROR: incoming msg cannot be decrypted with server passwd", 1);
+        return;
+    } 
+
+    my $header = @{$msg_hash->{header}}[0];
+    
+    daemon_log("receive '$header' from $host", 1);
+#    daemon_log("header from msg:", 1);
+#    daemon_log("\t$header", 1);
+#    daemon_log("msg to process:", 7);
+#    daemon_log("\t$msg", 7);
+
+    #check whether msg to process is a event 
+    opendir(DIR, $event_dir) 
+        or daemon_log("cannot find directory $event_dir, no events specified", 5);
+    my $file_name;
+    while(defined($file_name = readdir(DIR))){
+        if ($file_name eq "." || $file_name eq "..") {
+            next;
+        }
+        if ($file_name eq $header) {
+            my $cmd = "$event_dir/$file_name '$msg'";
+            my $result_xml = "";
+            open(PIPE, "$cmd 2>&1 |");
+            while(<PIPE>) {
+                $result_xml.=$_;
+                last;
+            }
+            close(PIPE);
+            my $res_hash = &transform_msg2hash($result_xml);
+            my $res_target = @{$res_hash->{target}}[0];
+            &send_msg_hash2address($res_hash, $server_address);
+            
+            return;
+        }
+    }
+    close(DIR);
+    daemon_log("could not assign the msg $header to an event", 5);
+    
+    if ($header eq 'new_ldap_config') { if ($ldap_enabled == 1) {&new_ldap_config($msg_hash)}}
+    elsif ($header eq 'ping') { &got_ping($msg_hash) }
+    elsif ($header eq 'wake_up') { &execute_event($msg_hash)}
+    elsif ($header eq 'new_passwd') { &new_passwd()}
+    else { daemon_log("ERROR: no function assigned to msg $header", 5) }
+
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  
+#   PARAMETERS:
+#      RETURNS: 
+#  DESCRIPTION: 
+#===============================================================================
+sub update_status { 
+    my ($new_status) = @_ ;
+    my $out_hash = &create_xml_hash("update_status", $client_address, $server_address);      
+    &add_content2xml_hash($out_hash, "update_status", $new_status);
+    &send_msg_hash2address($out_hash, $server_address);
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  
+#   PARAMETERS:
+#      RETURNS: 
+#  DESCRIPTION: 
+#===============================================================================
+sub server_leaving {
+    my ($msg_hash) = @_ ;
+    my $source = &get_content_from_xml_hash("source");
+    my $header = &get_content_from_xml_hash("header");
+    
+    daemon_log("gosa daemon $source is going down, cause registration procedure", 1);
+    my $server_address = "none";
+    my $server_passwd = "none";
+    my $server_cipher = "none";
+
+    # reinitialization of default values in config file
+    &read_configfile;
+    
+    # registrated at new daemon
+    &register_at_server();
+       
+    return;   
+}
+
+
+sub got_ping {
+    my ($msg_hash) = @_ ;
+
+    my $source = &get_content_from_xml_hash($msg_hash, 'source');
+    my $target = &get_content_from_xml_hash($msg_hash, 'target');
+    my $header = &get_content_from_xml_hash($msg_hash, 'header');    
+    
+    &add_content2known_hosts(hostname=>$target, status=>$header);
+    
+    my $out_hash = &create_xml_hash("got_ping", $target, $source);
+    &send_msg_hash2address($out_hash, $source, $server_passwd);
+
+    return;
+}
+
+
+sub new_ldap_config {
+    my ($msg_hash) = @_ ;
+    my $element;
+    my @ldap_uris;
+    my $ldap_base;
+    my @ldap_options;
+    my @pam_options;
+    my @nss_options;
+    my $goto_admin;
+    my $goto_secret;
+
+    # Transform input into array
+    while ( my ($key, $value) = each(%$msg_hash) ) {
+	if ($key =~ /^(source|target|header)$/) {
+		next;
+	}
+
+	foreach $element (@$value) {
+		if ($key =~ /^ldap_uri$/) {
+			push (@ldap_uris, $element);
+			next;
+		}
+		if ($key =~ /^ldap_base$/) {
+			$ldap_base= $element;
+			next;
+		}
+		if ($key =~ /^goto_admin$/) {
+			$goto_admin= $element;
+			next;
+		}
+		if ($key =~ /^goto_secret$/) {
+			$goto_secret= $element;
+			next;
+		}
+		if ($key =~ /^ldap_cfg$/) {
+			push (@ldap_options, "$element");
+			next;
+		}
+		if ($key =~ /^pam_cfg$/) {
+			push (@pam_options, "$element");
+			next;
+		}
+		if ($key =~ /^nss_cfg$/) {
+			push (@nss_options, "$element");
+			next;
+		}
+	}
+    }
+
+    # Setup ldap.conf
+    my $file1;
+    my $file2;
+    open(file1, "> $ldap_config");
+    print file1 "# This file was automatically generated by gosa-si-client. Do not change.\n";
+    print file1 "URI";
+    foreach $element (@ldap_uris) {
+    	print file1 " $element";
+    }
+    print file1 "\nBASE $ldap_base\n";
+    foreach $element (@ldap_options) {
+    	print file1 "$element\n";
+    }
+    close (file1);
+    daemon_log("wrote $ldap_config", 5);
+
+    # Setup pam_ldap.conf / libnss_ldap.conf
+    open(file1, "> $pam_config");
+    open(file2, "> $nss_config");
+    print file1 "# This file was automatically generated by gosa-si-client. Do not change.\n";
+    print file2 "# This file was automatically generated by gosa-si-client. Do not change.\n";
+    print file1 "uri";
+    print file2 "uri";
+    foreach $element (@ldap_uris) {
+    	print file1 " $element";
+    	print file2 " $element";
+    }
+    print file1 "\nbase $ldap_base\n";
+    print file2 "\nbase $ldap_base\n";
+    foreach $element (@pam_options) {
+    	print file1 "$element\n";
+    }
+    foreach $element (@nss_options) {
+    	print file2 "$element\n";
+    }
+    close (file2);
+    daemon_log("wrote $nss_config", 5);
+    close (file1);
+    daemon_log("wrote $pam_config", 5);
+
+    # Create goto.secrets if told so
+    if (defined $goto_admin){
+	    open(file1, "> /etc/goto/secret");
+	    close(file1);
+	    chown(0,0, "/etc/goto/secret");
+	    chmod(0600, "/etc/goto/secret");
+	    open(file1, "> /etc/goto/secret");
+	    print file1 $goto_admin.":".$goto_secret."\n";
+	    close(file1);
+	    daemon_log("wrote /etc/goto/secret", 5);
+    }
+
+    return;
+
+}
+
+
+sub execute_event {
+    my ($msg_hash)= @_;
+    my $configdir= '/etc/gosa-si/client/events/';
+    my $result;
+
+    my $header = &get_content_from_xml_hash($msg_hash, 'header');
+    my $source = &get_content_from_xml_hash($msg_hash, 'source');
+    my $target = &get_content_from_xml_hash($msg_hash, 'target');
+
+
+    if((not defined $source)
+            && (not defined $target)
+            && (not defined $header)) {
+        daemon_log("ERROR: Entries missing in XML msg for gosa events under $configdir");
+    } else {
+        my $parameters="";
+        my @params = &get_content_from_xml_hash($msg_hash, $header);
+        my $params = join(", ", @params);
+        daemon_log("execute_event: got parameters: $params", 5);
+
+        if (@params) {
+            foreach my $param (@params) {
+                my $param_value = (&get_content_from_xml_hash($msg_hash, $param))[0];
+                daemon_log("execute_event: parameter -> value: $param -> $param_value", 7);
+                $parameters.= " ".$param_value;
+            }
+        }
+
+        my $cmd= $configdir.$header."$parameters";
+        daemon_log("execute_event: executing cmd: $cmd", 7);
+        $result= "";
+        open(PIPE, "$cmd 2>&1 |");
+        while(<PIPE>) {
+            $result.=$_;
+        }
+        close(PIPE);
+    }
+
+    # process the event result
+
+
+    return;
+}
+
+
+sub new_passwd {
+    # my ($msg_hash) = @_ ;
+    my $new_server_passwd = &create_passwd();
+    my $new_server_cipher = &create_ciphering($new_server_passwd);
+
+    my $out_hash = &create_xml_hash("new_passwd", $client_address, $server_address, $new_server_passwd);
+    
+    &send_msg_hash2address($out_hash, $server_address, $server_passwd);
+
+    $server_passwd = $new_server_passwd;
+    $server_cipher = $new_server_cipher;
+    return; 
+}
+
+
+
+
+#==== MAIN = main ==============================================================
+
+#  parse commandline options
+Getopt::Long::Configure( "bundling" );
+GetOptions("h|help" => \&usage,
+           "c|config=s" => \$cfg_file,
+           "f|foreground" => \$foreground,
+           "v|verbose+" => \$verbose,
+           );
+
+#  read and set config parameters
+&check_cmdline_param ;
+&read_configfile;
+&check_pid;
+
+if ( ! $foreground ) {
+	open STDIN, '/dev/null' or die "Can’t read /dev/null: $!";
+	open STDOUT, '>>/dev/null' or die "Can't write to /dev/null: $!";
+	open STDERR, '>>/dev/null' or die "Can't write to /dev/null: $!";
+}
+
+
+# restart daemon log file
+if(-e $log_file ) { unlink $log_file }
+daemon_log(" ", 1);
+daemon_log("$0 started!", 1);
+
+# Just fork, if we"re not in foreground mode
+if( ! $foreground ) { $pid = fork(); }
+else { $pid = $$; }
+
+# Do something useful - put our PID into the pid_file
+if( 0 != $pid ) {
+    open( LOCK_FILE, ">$pid_file" );
+    print LOCK_FILE "$pid\n";
+    close( LOCK_FILE );
+    if( !$foreground ) { exit( 0 ) };
+}
+
+# detect own ip and mac address
+$network_interface= &get_interface_for_ip($client_ip);
+$client_mac_address= &get_mac($network_interface);
+
+# ($client_ip, $client_mac_address) = &get_ip_and_mac(); 
+#if (not defined $client_ip) {
+#    die "EXIT: ip address of $0 could not be detected";
+#}
+daemon_log("client ip address detected: $client_ip", 1);
+daemon_log("client mac address detected: $client_mac_address", 1);
+
+# prepare variables
+if (defined $server_ip && defined $server_port) {
+    $server_address = $server_ip.":".$server_port;
+}
+$client_address = $client_ip.":".$client_port;
+
+# setup xml parser
+$xml = new XML::Simple();
+
+# create input socket
+daemon_log(" ", 1);
+$rbits = $wbits = $ebits = "";
+$input_socket = IO::Socket::INET->new(LocalPort => $client_port,
+        Type => SOCK_STREAM,
+        Reuse => 1,
+        Listen => 20,
+        ); 
+if(not defined $input_socket){
+    daemon_log("cannot be a tcp server at $client_port : $@\n");
+} else {
+    daemon_log("start client at $client_address",1) ;
+    vec($rbits, fileno $input_socket, 1) = 1;
+    vec($wbits, fileno $input_socket, 1) = 1;
+}
+
+# register at server
+daemon_log(" ", 1);
+&register_at_server();
+
+
+##############
+# Debugging
+#############
+#sleep(2);
+#&update_status("ich_bin_ein_neuer_status");
+
+###################################
+#everything ready, okay, lets start
+###################################
+while(1) {
+    my ($rout, $wout);
+    my $nf = select($rout=$rbits, $wout=$wbits, undef, undef);
+
+    # error handling
+    if($nf < 0 ) {
+    }
+
+    # something is coming in
+    if(vec $rout, fileno $input_socket, 1) {
+        my $client = $input_socket->accept();
+        my $other_end = getpeername($client);
+        
+        if(not defined $other_end) {
+            daemon_log("client cannot be identified: $!");
+        } else {
+            my ($port, $iaddr) = unpack_sockaddr_in($other_end);
+            my $actual_ip = inet_ntoa($iaddr);
+            daemon_log("accept client from $actual_ip", 5);
+            my $in_msg = &read_from_socket($client);
+            if(defined $in_msg){
+                chomp($in_msg);
+                $in_msg = $in_msg.".".$actual_ip;
+                &process_incoming_msg($in_msg);
+
+            }
+        }
+    }
+}
+ 
+
+
+
diff --git a/gosa-si-poe/gosa-si-server b/gosa-si-poe/gosa-si-server
new file mode 100755
index 000000000..505cf01ba
--- /dev/null
+++ b/gosa-si-poe/gosa-si-server
@@ -0,0 +1,1082 @@
+#!/usr/bin/perl
+#===============================================================================
+#
+#         FILE:  gosa-sd
+#
+#        USAGE:  ./gosa-sd
+#
+#  DESCRIPTION:
+#
+#      OPTIONS:  ---
+# REQUIREMENTS:  libconfig-inifiles-perl libcrypt-rijndael-perl libxml-simple-perl 
+#                libdata-dumper-simple-perl libdbd-sqlite3-perl libnet-ldap-perl
+#         BUGS:  ---
+#        NOTES:
+#       AUTHOR:   (Andreas Rettenberger), <rettenberger@gonicus.de>
+#      COMPANY:
+#      VERSION:  1.0
+#      CREATED:  12.09.2007 08:54:41 CEST
+#     REVISION:  ---
+#===============================================================================
+
+
+use strict;
+use warnings;
+use Getopt::Long;
+use Config::IniFiles;
+use POSIX;
+use Time::HiRes qw( gettimeofday );
+
+use Fcntl;
+use IO::Socket::INET;
+use IO::Handle;
+use IO::Select;
+use Symbol qw(qualify_to_ref);
+use Crypt::Rijndael;
+use MIME::Base64;
+use Digest::MD5  qw(md5 md5_hex md5_base64);
+use XML::Simple;
+use Data::Dumper;
+use Sys::Syslog qw( :DEFAULT setlogsock);
+use Cwd;
+use File::Spec;
+use GOSA::GosaSupportDaemon;
+use GOSA::DBsqlite;
+use POE qw(Component::Server::TCP);
+
+my $modules_path = "/usr/lib/gosa-si/modules";
+use lib "/usr/lib/gosa-si/modules";
+
+my (%cfg_defaults, $foreground, $verbose, $ping_timeout);
+my ($bus, $msg_to_bus, $bus_cipher);
+my ($server, $server_mac_address, $server_events);
+my ($gosa_server, $job_queue_timeout, $job_queue_table_name, $job_queue_file_name);
+my ($known_modules, $known_clients_file_name, $known_server_file_name);
+my ($max_clients);
+my ($pid_file, $procid, $pid, $log_file);
+my (%free_child, %busy_child, $child_max, $child_min, %child_alive_time, $child_timeout);
+my ($arp_activ, $arp_fifo, $arp_fifo_path);
+
+# variables declared in config file are always set to 'our'
+our (%cfg_defaults, $log_file, $pid_file, 
+    $bus_activ, $bus_passwd, $bus_ip, $bus_port,
+    $server_activ, $server_ip, $server_port, $server_passwd, $max_clients,
+    $arp_activ, $arp_fifo_path,
+    $gosa_activ, $gosa_passwd, $gosa_ip, $gosa_port, $gosa_timeout,
+);
+
+# additional variable which should be globaly accessable
+our $xml;
+our $server_address;
+our $bus_address;
+our $gosa_address;
+our $no_bus;
+our $no_arp;
+our $verbose;
+our $forground;
+our $cfg_file;
+
+# specifies the verbosity of the daemon_log
+$verbose = 0 ;
+
+# if foreground is not null, script will be not forked to background
+$foreground = 0 ;
+
+# specifies the timeout seconds while checking the online status of a registrating client
+$ping_timeout = 5;
+
+$no_bus = 0;
+
+$no_arp = 0;
+
+# name of table for storing gosa jobs
+our $job_queue_table_name = 'jobs';
+our $job_db;
+
+# holds all other gosa-sd as well as the gosa-sd-bus
+our $known_server_db;
+
+# holds all registrated clients
+our $known_clients_db;
+
+%cfg_defaults =
+("general" =>
+    {"log_file" => [\$log_file, "/var/run/".$0.".log"],
+    "pid_file" => [\$pid_file, "/var/run/".$0.".pid"],
+    "child_max" => [\$child_max, 10],
+    "child_min" => [\$child_min, 3],
+    "child_timeout" => [\$child_timeout, 180],
+    "job_queue_timeout" => [\$job_queue_timeout, undef],
+    "job_queue_file_name" => [\$job_queue_file_name, '/var/lib/gosa-si/jobs.db'],
+    "known_clients_file_name" => [\$known_clients_file_name, '/var/lib/gosa-si/known_clients.db' ],
+    "known_server_file_name" => [\$known_server_file_name, '/var/lib/gosa-si/known_server.db'],
+   },
+"bus" =>
+    {"bus_activ" => [\$bus_activ, "on"],
+    "bus_passwd" => [\$bus_passwd, ""],
+    "bus_ip" => [\$bus_ip, "0.0.0.0"],
+    "bus_port" => [\$bus_port, "20080"],
+    },
+"server" =>
+    {"server_activ" => [\$server_activ, "on"],
+    "server_ip" => [\$server_ip, "0.0.0.0"],
+    "server_port" => [\$server_port, "20081"],
+    "server_passwd" => [\$server_passwd, ""],
+    "max_clients" => [\$max_clients, 100],
+    },
+"arp" =>
+    {"arp_activ" => [\$arp_activ, "on"],
+    "arp_fifo_path" => [\$arp_fifo_path, "/var/run/gosa-si/arp-notify"],
+    },
+"gosa" =>
+    {"gosa_activ" => [\$gosa_activ, "on"],
+    "gosa_ip" => [\$gosa_ip, "0.0.0.0"],
+    "gosa_port" => [\$gosa_port, "20082"],
+    "gosa_passwd" => [\$gosa_passwd, "none"],
+    },
+    );
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  usage
+#   PARAMETERS:  nothing
+#      RETURNS:  nothing
+#  DESCRIPTION:  print out usage text to STDERR
+#===============================================================================
+sub usage {
+    print STDERR << "EOF" ;
+usage: $0 [-hvf] [-c config]
+
+           -h        : this (help) message
+           -c <file> : config file
+           -f        : foreground, process will not be forked to background
+           -v        : be verbose (multiple to increase verbosity)
+           -no-bus   : starts $0 without connection to bus
+           -no-arp   : starts $0 without connection to arp module
+ 
+EOF
+    print "\n" ;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  read_configfile
+#   PARAMETERS:  cfg_file - string -
+#      RETURNS:  nothing
+#  DESCRIPTION:  read cfg_file and set variables
+#===============================================================================
+sub read_configfile {
+    my $cfg;
+    if( defined( $cfg_file) && ( length($cfg_file) > 0 )) {
+        if( -r $cfg_file ) {
+            $cfg = Config::IniFiles->new( -file => $cfg_file );
+        } else {
+            print STDERR "Couldn't read config file!\n";
+        }
+    } else {
+        $cfg = Config::IniFiles->new() ;
+    }
+    foreach my $section (keys %cfg_defaults) {
+        foreach my $param (keys %{$cfg_defaults{ $section }}) {
+            my $pinfo = $cfg_defaults{ $section }{ $param };
+            ${@$pinfo[ 0 ]} = $cfg->val( $section, $param, @$pinfo[ 1 ] );
+        }
+    }
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  logging
+#   PARAMETERS:  level - string - default 'info'
+#                msg - string -
+#                facility - string - default 'LOG_DAEMON'
+#      RETURNS:  nothing
+#  DESCRIPTION:  function for logging
+#===============================================================================
+sub daemon_log {
+    # log into log_file
+    my( $msg, $level ) = @_;
+    if(not defined $msg) { return }
+    if(not defined $level) { $level = 1 }
+    if(defined $log_file){
+        open(LOG_HANDLE, ">>$log_file");
+        if(not defined open( LOG_HANDLE, ">>$log_file" )) {
+            print STDERR "cannot open $log_file: $!";
+            return }
+            chomp($msg);
+            if($level <= $verbose){
+                my ($seconds, $minutes, $hours, $monthday, $month,
+                        $year, $weekday, $yearday, $sommertime) = localtime(time);
+                $hours = $hours < 10 ? $hours = "0".$hours : $hours;
+                $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
+                $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
+                my @monthnames = ("Jan", "Feb", "Mar", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
+                $month = $monthnames[$month];
+                $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
+                $year+=1900;
+                my $name = $0;
+                $name =~ s/\.\///;
+
+                my $log_msg = "$month $monthday $hours:$minutes:$seconds $name $msg\n";
+                print LOG_HANDLE $log_msg;
+                if( $foreground ) { 
+                    print STDERR $log_msg;
+                }
+            }
+        close( LOG_HANDLE );
+    }
+#log into syslog
+#    my ($msg, $level, $facility) = @_;
+#    if(not defined $msg) {return}
+#    if(not defined $level) {$level = "info"}
+#    if(not defined $facility) {$facility = "LOG_DAEMON"}
+#    openlog($0, "pid,cons,", $facility);
+#    syslog($level, $msg);
+#    closelog;
+#    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  check_cmdline_param
+#   PARAMETERS:  nothing
+#      RETURNS:  nothing
+#  DESCRIPTION:  validates commandline parameter
+#===============================================================================
+sub check_cmdline_param () {
+    my $err_config;
+    my $err_counter = 0;
+	if(not defined($cfg_file)) {
+		$cfg_file = "/etc/gosa-si/server.conf";
+		if(! -r $cfg_file) {
+			$err_config = "please specify a config file";
+			$err_counter += 1;
+		}
+    }
+    if( $err_counter > 0 ) {
+        &usage( "", 1 );
+        if( defined( $err_config)) { print STDERR "$err_config\n"}
+        print STDERR "\n";
+        exit( -1 );
+    }
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  check_pid
+#   PARAMETERS:  nothing
+#      RETURNS:  nothing
+#  DESCRIPTION:  handels pid processing
+#===============================================================================
+sub check_pid {
+    $pid = -1;
+    # Check, if we are already running
+    if( open(LOCK_FILE, "<$pid_file") ) {
+        $pid = <LOCK_FILE>;
+        if( defined $pid ) {
+            chomp( $pid );
+            if( -f "/proc/$pid/stat" ) {
+                my($stat) = `cat /proc/$pid/stat` =~ m/$pid \((.+)\).*/;
+                if( $0 eq $stat ) {
+                    close( LOCK_FILE );
+                    exit -1;
+                }
+            }
+        }
+        close( LOCK_FILE );
+        unlink( $pid_file );
+    }
+
+    # create a syslog msg if it is not to possible to open PID file
+    if (not sysopen(LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
+        my($msg) = "Couldn't obtain lockfile '$pid_file' ";
+        if (open(LOCK_FILE, '<', $pid_file)
+                && ($pid = <LOCK_FILE>))
+        {
+            chomp($pid);
+            $msg .= "(PID $pid)\n";
+        } else {
+            $msg .= "(unable to read PID)\n";
+        }
+        if( ! ($foreground) ) {
+            openlog( $0, "cons,pid", "daemon" );
+            syslog( "warning", $msg );
+            closelog();
+        }
+        else {
+            print( STDERR " $msg " );
+        }
+        exit( -1 );
+    }
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  import_modules
+#   PARAMETERS:  module_path - string - abs. path to the directory the modules 
+#                are stored
+#      RETURNS:  nothing
+#  DESCRIPTION:  each file in module_path which ends with '.pm' is imported by 
+#                "require 'file';"
+#===============================================================================
+sub import_modules {
+    daemon_log(" ", 1);
+
+    if (not -e $modules_path) {
+        daemon_log("ERROR: cannot find directory or directory is not readable: $modules_path", 1);   
+    }
+
+    opendir (DIR, $modules_path) or die "ERROR while loading modules from directory $modules_path : $!\n";
+    while (defined (my $file = readdir (DIR))) {
+        if (not $file =~ /(\S*?).pm$/) {
+            next;
+        }
+        eval { require $file; };
+        if ($@) {
+            daemon_log("ERROR: gosa-si-server could not load module $file", 1);
+            daemon_log("$@", 5);
+        } else {
+            my $mod_name = $1;
+            my $info = eval($mod_name.'::get_module_info()');
+            my ($input_address, $input_key, $input, $input_active, $input_type) = @{$info};
+            $known_modules->{$mod_name} = $info;
+
+            daemon_log("module $mod_name loaded", 1);
+        }
+    }   
+
+    # for debugging
+    #while ( my ($module, $tag_hash) = each(%$known_modules)) {
+    #    print "\tmodule: $module"."\n";   
+    #    print "\ttags: ".join(", ", keys(%$tag_hash))."\n";
+    #}
+    close (DIR);
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  sig_int_handler
+#   PARAMETERS:  signal - string - signal arose from system
+#      RETURNS:  noting
+#  DESCRIPTION:  handels tasks to be done befor signal becomes active
+#===============================================================================
+sub sig_int_handler {
+    my ($signal) = @_;
+
+    daemon_log("shutting down gosa-si-server", 1);
+    exit(1);
+}
+$SIG{INT} = \&sig_int_handler;
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  activating_child
+#   PARAMETERS:  msg - string - incoming message
+#                host - string - host from which the incomming message comes
+#      RETURNS:  nothing
+#  DESCRIPTION:  handels the distribution of incoming messages to working childs
+#===============================================================================
+sub activating_child {
+    my ($msg, $host, $client) = @_;
+    my $child = &get_processing_child();
+	if(!$child) {
+		daemon_log("Got no child! Trying again", 5);
+		sleep(1);
+		$child = &get_processing_child();
+		if(!$child) {
+			daemon_log("Got no child at the second try! Trying again", 5);
+		}
+	}
+    my $pipe_wr = $$child{'pipe_wr'};
+    my $pipe_rd = $$child{'pipe_rd'};
+    $$child{client_ref} = $client;
+    
+    daemon_log("activating: childpid:$$child{'pid'}", 5);
+
+    print $pipe_wr $msg.".".$host."\n";
+
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_processing_child
+#   PARAMETERS:  nothing
+#      RETURNS:  child - hash - holding the process id and the references to the pipe
+#                               handles pipe_wr and pipe_rd
+#  DESCRIPTION:  handels the forking, reactivating and keeping alive tasks
+#===============================================================================
+sub get_processing_child {
+    my $child;
+
+    while(my ($key, $val) = each(%free_child)) {
+        my $exitus_pid = waitpid($key, WNOHANG);
+        if($exitus_pid != 0) {
+            delete $free_child{$key};
+        }
+        daemon_log("free child:$key", 5);
+    }
+    # check @free_child and @busy_child
+    my $free_len = scalar(keys(%free_child));
+    my $busy_len = scalar(keys(%busy_child));
+    daemon_log("free children $free_len, busy children $busy_len", 5);
+
+    # if there is a free child, let the child work
+    if($free_len > 0){
+        my @keys = keys(%free_child);
+        $child = $free_child{$keys[0]};
+        if(defined $child) {
+            $busy_child{$$child{'pid'}} = $child ;
+            delete $free_child{$$child{'pid'}};
+        }
+        return $child;
+    }
+
+    # no free child, try to fork another one
+    if($free_len + $busy_len < $child_max) {
+
+        daemon_log("not enough children, create a new one", 5);
+
+        # New pipes for communication
+        my( $PARENT_wr, $PARENT_rd );
+        my( $CHILD_wr, $CHILD_rd );
+        pipe( $CHILD_rd,  $PARENT_wr );
+        pipe( $PARENT_rd, $CHILD_wr  );
+        $PARENT_wr->autoflush(1);
+        $CHILD_wr->autoflush(1);
+
+        ############
+        # fork child
+        ############
+        my $child_pid = fork();
+        
+        #CHILD
+        if($child_pid == 0) {
+            # Close unused pipes
+            close( $CHILD_rd );
+            close( $CHILD_wr );
+            while( 1 ) {
+                my $rbits = "";
+                vec( $rbits, fileno $PARENT_rd , 1 ) = 1;
+                my $nf = select($rbits, undef, undef, $child_timeout);
+                if($nf < 0 ) {
+                    die "select(): $!\n";
+                } elsif (! $nf) {
+                    # if already child_min childs are alive, then leave loop
+                    $free_len = scalar(keys(%free_child));
+                    $busy_len = scalar(keys(%busy_child));
+                    if($free_len + $busy_len >= $child_min) {
+                        last;
+                    } else {
+                        redo;
+                    }
+                }
+
+                # a job for a child arise
+                if ( vec $rbits, fileno $PARENT_rd, 1 ) {
+                    # read everything from pipe
+                    my $msg = "";
+                    $PARENT_rd->blocking(0);
+                    while(1) {
+                        my $read = <$PARENT_rd>;
+                        if(not defined $read) { last}
+                        $msg .= $read;
+                    }
+
+                    ######################################
+                    # forward msg to all imported modules 
+                    no strict "refs";
+                    my $answer;
+                    my %act_modules = %$known_modules;
+                    while( my ($module, $info) = each(%act_modules)) {
+                            my $tmp = &{ $module."::process_incoming_msg" }($msg);
+                            if (defined $tmp) {
+                                $answer = $tmp;
+                            }
+                    }        
+                    daemon_log("processing of msg finished", 5);
+ 
+                   if (defined $answer) {
+                        print $PARENT_wr $answer."\n";
+                        print $PARENT_wr "ENDMESSAGE\n";
+                        my $len_answer = length $answer;
+                        daemon_log("with answer: length of answer: $len_answer", 7);
+                        daemon_log("\n$answer", 7);
+                    } else {
+                        print $PARENT_wr "done"."\n";
+                        print $PARENT_wr "ENDMESSAGE\n";
+                    }
+                    redo;
+                }
+            }
+            # childs leaving the loop are allowed to die
+            exit(0);
+
+
+        #PARENT
+        } else {
+            # Close unused pipes
+            close( $PARENT_rd );
+            close( $PARENT_wr );
+
+            # add child to child alive hash
+            my %child_hash = (
+                    'pid' => $child_pid,
+                    'pipe_wr' => $CHILD_wr,
+                    'pipe_rd' => $CHILD_rd,
+                    'client_ref' => "",
+                    );
+
+            $child = \%child_hash;
+            $busy_child{$$child{'pid'}} = $child;
+            return $child;
+        }
+    }
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  read_from_socket
+#   PARAMETERS:  socket fh - 
+#      RETURNS:  result string - readed characters from socket
+#  DESCRIPTION:  reads data from socket in 16 byte steps
+#===============================================================================
+sub read_from_socket {
+    my ($socket) = @_;
+    my $result = "";
+
+    $socket->blocking(1);
+    $result = <$socket>;
+
+    $socket->blocking(0);
+    while ( my $char = <$socket> ) {
+        if (not defined $char) { last }
+        $result .= $char;
+    }
+
+    return $result;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  print_known_daemons
+#   PARAMETERS:  nothing
+#      RETURNS:  nothing
+#  DESCRIPTION:  nomen est omen
+#===============================================================================
+#sub print_known_daemons {
+#    my ($tmp) = @_ ;
+#    print "####################################\n";
+#    print "# status of known_daemons\n";
+#    $shmda->shlock(LOCK_EX);
+#    my @hosts = keys %$known_daemons;
+#    foreach my $host (@hosts) {
+#        my $status = $known_daemons->{$host}->{status} ;
+#        my $passwd = $known_daemons->{$host}->{passwd};
+#        my $timestamp = $known_daemons->{$host}->{timestamp};
+#        print "$host\n";
+#        print "\tstatus:    $status\n";
+#        print "\tpasswd:    $passwd\n";
+#        print "\ttimestamp: $timestamp\n";
+#    }
+#    $shmda->shunlock(LOCK_EX);
+#    print "####################################\n";
+#    return;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_known_daemon
+#   PARAMETERS:  hostname - string - key for the hash known_daemons
+#      RETURNS:  nothing
+#  DESCRIPTION:  creates a dummy entry for hostname in known_daemons
+#===============================================================================
+#sub create_known_daemon {
+#    my ($hostname) = @_;
+#    $shmda->shlock(LOCK_EX);
+#    $known_daemons->{$hostname} = {};
+#    $known_daemons->{$hostname}->{status} = "none";
+#    $known_daemons->{$hostname}->{passwd} = "none";
+#    $known_daemons->{$hostname}->{timestamp} = "none";
+#    $shmda->shunlock(LOCK_EX); 
+#    return;  
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  add_content2known_daemons
+#   PARAMETERS:  hostname - string - ip address and port of host (required)
+#                status - string - (optional)
+#                passwd - string - (optional)
+#                mac_address - string - mac address of host (optional)
+#      RETURNS:  nothing
+#  DESCRIPTION:  nome est omen and updates each time the timestamp of hostname
+#===============================================================================
+#sub add_content2known_daemons {
+#    my $arg = {
+#        hostname => undef, status => undef, passwd => undef,
+#        mac_address => undef, events => undef, 
+#        @_ };
+#    my $hostname = $arg->{hostname};
+#    my $status = $arg->{status};
+#    my $passwd = $arg->{passwd};
+#    my $mac_address = $arg->{mac_address};
+#    my $events = $arg->{events};
+#
+#    if (not defined $hostname) {
+#        daemon_log("ERROR: function add_content2known_daemons is not invoked with requiered parameter 'hostname'", 1);
+#        return;
+#    }
+#
+#    my ($seconds, $minutes, $hours, $monthday, $month,
+#    $year, $weekday, $yearday, $sommertime) = localtime(time);
+#    $hours = $hours < 10 ? $hours = "0".$hours : $hours;
+#    $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
+#    $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
+#    $month+=1;
+#    $month = $month < 10 ? $month = "0".$month : $month;
+#    $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
+#    $year+=1900;
+#    my $t = "$year$month$monthday$hours$minutes$seconds";
+#    
+#    $shmda->shlock(LOCK_EX);
+#    if (defined $status) {
+#        $known_daemons->{$hostname}->{status} = $status;
+#    }
+#    if (defined $passwd) {
+#        $known_daemons->{$hostname}->{passwd} = $passwd;
+#    }
+#    if (defined $mac_address) {
+#        $known_daemons->{$hostname}->{mac_address} = $mac_address;
+#    }
+#    if (defined $events) {
+#        $known_daemons->{$hostname}->{events} = $events;
+#    }
+#    $known_daemons->{$hostname}->{timestamp} = $t;
+#    $shmda->shlock(LOCK_EX);
+#    return;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  update_known_daemons
+#   PARAMETERS:  hostname - string - ip address and port of host (required)
+#                status - string - (optional)
+#                passwd - string - (optional)
+#                client - string - ip address and port of client (optional)
+#      RETURNS:  nothing
+#  DESCRIPTION:  nome est omen and updates each time the timestamp of hostname
+#===============================================================================
+#sub update_known_daemons {
+#    my $arg = {
+#        hostname => undef, status => undef, passwd => undef,
+#        @_ };
+#    my $hostname = $arg->{hostname};
+#    my $status = $arg->{status};
+#    my $passwd = $arg->{passwd};
+#
+#    if (not defined $hostname) {
+#        daemon_log("ERROR: function add_content2known_daemons is not invoked with requiered parameter 'hostname'", 1);
+#        return;
+#    }
+#
+#    my ($seconds, $minutes, $hours, $monthday, $month,
+#    $year, $weekday, $yearday, $sommertime) = localtime(time);
+#    $hours = $hours < 10 ? $hours = "0".$hours : $hours;
+#    $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
+#    $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
+#    $month+=1;
+#    $month = $month < 10 ? $month = "0".$month : $month;
+#    $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
+#    $year+=1900;
+#    my $t = "$year$month$monthday$hours$minutes$seconds";
+#
+#    $shmda->shlock(LOCK_EX);
+#    if (defined $status) {
+#        $known_daemons->{$hostname}->{status} = $status;
+#    }
+#    if (defined $passwd) {
+#        $known_daemons->{$hostname}->{passwd} = $passwd;
+#    }
+#    $known_daemons->{$hostname}->{timestamp} = $t;
+#    $shmda->shunlock(LOCK_EX);
+#    return;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  print_known_clients 
+#   PARAMETERS:  nothing
+#      RETURNS:  nothing
+#  DESCRIPTION:  nomen est omen
+#===============================================================================
+#sub print_known_clients {
+#
+#    print "####################################\n";
+#    print "# status of known_clients\n";
+#    $shmcl->shlock(LOCK_EX);
+#    my @hosts = keys %$known_clients;
+#    if (@hosts) {
+#        foreach my $host (@hosts) {
+#            my $status = $known_clients->{$host}->{status} ;
+#            my $passwd = $known_clients->{$host}->{passwd};
+#            my $timestamp = $known_clients->{$host}->{timestamp};
+#            my $mac_address = $known_clients->{$host}->{mac_address};
+#            my $events = $known_clients->{$host}->{events};
+#            print "$host\n";
+#            print "\tstatus:      $status\n";
+#            print "\tpasswd:      $passwd\n";
+#            print "\ttimestamp:   $timestamp\n";
+#            print "\tmac_address: $mac_address\n";
+#            print "\tevents:      $events\n";
+#        }
+#    }
+#    $shmcl->shunlock(LOCK_EX);
+#    print "####################################\n";
+#    return;
+#}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_known_client
+#   PARAMETERS:  hostname - string - key for the hash known_clients
+#      RETURNS:  nothing
+#  DESCRIPTION:  creates a dummy entry for hostname in known_clients
+#===============================================================================
+sub create_known_client {
+    my ($hostname) = @_;
+
+    my $entry = { table=>'known_clients',
+        hostname=>$hostname,
+        status=>'none',
+        hostkey=>'none',
+        timestamp=>'none',
+        macaddress=>'none',
+        events=>'none',
+    };
+    my $res = $known_clients_db->add_dbentry($entry);
+    if ($res > 0) {
+        daemon_log("ERROR: cannot add entry to known_clients.db: $res", 1);
+    }
+
+    return;  
+}
+
+#==== MAIN = main ==============================================================
+
+#  parse commandline options
+Getopt::Long::Configure( "bundling" );
+GetOptions("h|help" => \&usage,
+        "c|config=s" => \$cfg_file,
+        "f|foreground" => \$foreground,
+        "v|verbose+" => \$verbose,
+        "no-bus+" => \$no_bus,
+        "no-arp+" => \$no_arp,
+           );
+
+#  read and set config parameters
+&check_cmdline_param ;
+&read_configfile;
+&check_pid;
+
+
+$SIG{CHLD} = 'IGNORE';
+
+# forward error messages to logfile
+if( ! $foreground ) {
+    open(STDERR, '>>', $log_file);
+    open(STDOUT, '>>', $log_file);
+}
+
+# Just fork, if we are not in foreground mode
+if( ! $foreground ) { 
+    chdir '/'                 or die "Can't chdir to /: $!";
+    $pid = fork;
+    setsid                    or die "Can't start a new session: $!";
+    umask 0;
+} else { 
+    $pid = $$; 
+}
+
+# Do something useful - put our PID into the pid_file
+if( 0 != $pid ) {
+    open( LOCK_FILE, ">$pid_file" );
+    print LOCK_FILE "$pid\n";
+    close( LOCK_FILE );
+    if( !$foreground ) { 
+        exit( 0 ) 
+    };
+}
+
+daemon_log(" ", 1);
+daemon_log("$0 started!", 1);
+
+# delete old DBsqlite lock files
+system('rm -f /tmp/gosa_si_lock*');
+
+# connect to gosa-si job queue
+my @job_col_names = ("id", "timestamp", "status", "result", "headertag", "targettag", "xmlmessage", "macaddress");
+$job_db = GOSA::DBsqlite->new($job_queue_file_name);
+$job_db->create_table('jobs', \@job_col_names);
+
+# connect to known_clients_db
+my @clients_col_names = ('hostname', 'status', 'hostkey', 'timestamp', 'macaddress', 'events');
+$known_clients_db = GOSA::DBsqlite->new($known_clients_file_name);
+$known_clients_db->create_table('known_clients', \@clients_col_names);
+
+# connect to known_server_db
+my @server_col_names = ('hostname', 'status', 'hostkey', 'timestamp');
+$known_server_db = GOSA::DBsqlite->new($known_server_file_name);
+$known_server_db->create_table('known_server', \@server_col_names);
+
+# import all modules
+&import_modules;
+
+# check wether all modules are gosa-si valid passwd check
+
+# create reading and writing vectors
+my $rbits = my $wbits = my $ebits = "";
+
+# add all module inputs to listening vector
+# while( my ($mod_name, $info) = each %$known_modules ) {
+#     my ($input_address, $input_key, $input, $input_activ, $input_type) = @{$info};
+#     vec($rbits, fileno $input, 1) = 1;   
+# 
+# }
+
+
+## start arp fifo
+#if ($no_arp > 0) {
+#    $arp_activ = "off";
+#}
+#my $my_fifo;
+#if($arp_activ eq "on") {
+#    daemon_log(" ", 1);
+#    $my_fifo = &open_fifo($arp_fifo_path);
+#    if($my_fifo == 0) { die "fifo file disappeared\n" }
+#    sysopen($arp_fifo, $arp_fifo_path, O_RDWR) or die "can't read from $arp_fifo: $!" ;
+#    
+#    vec($rbits, fileno $arp_fifo, 1) = 1;
+#}
+#
+
+###################################
+##everything ready, okay, lets start
+###################################
+#while(1) {
+#
+#    # add all handles from the childs
+#    while ( my ($pid, $child_hash) = each %busy_child ) {
+#        
+#        # check whether process still exists
+#        my $exitus_pid = waitpid($pid, WNOHANG);
+#        if($exitus_pid != 0) {
+#            delete $busy_child{$pid};
+#            next;
+#        }
+#     
+#        # add child fhd to the listener    
+#        my $fhd = $$child_hash{'pipe_rd'};
+#        vec($rbits, fileno $fhd, 1) = 1;
+#    }
+#
+#    my ($rout, $wout);
+#    my $nf = select($rout=$rbits, $wout=$wbits, undef, $job_queue_timeout);
+#
+#    # error handling
+#    if($nf < 0 ) {
+#    }
+#
+#
+##    if($arp_activ eq "on" && vec($rout, fileno $arp_fifo, 1)) {
+##        my $in_msg = <$arp_fifo>;
+##        chomp($in_msg);
+##        print "arp_activ: msg: $in_msg\n";
+##        my $act_passwd = $known_daemons->{$bus_address}->{passwd};
+##        print "arp_activ: arp_passwd: $act_passwd\n";
+##
+##        my $in_msg_hash = $xml->XMLin($in_msg, ForceArray=>1);
+##
+##        my $target = &get_content_from_xml_hash($in_msg_hash, 'target');
+##
+##        if ($target eq $server_address) { 
+##             print "arp_activ: forward to server\n";
+##            my $arp_cipher = &create_ciphering($act_passwd);
+##            my $crypted_msg = &encrypt_msg($in_msg, $arp_cipher);
+##            &activating_child($crypted_msg, $server_ip);
+##        } else {
+##            print "arp_activ: send to bus\n";
+##            &send_msg_hash2address($in_msg_hash, $bus_address);
+##        }
+##        print "\n";
+##    }
+#
+#
+#    # check input fhd of all modules 
+#    while ( my ($mod_name, $info) = each %$known_modules) {
+#        my $input_fhd = @{$info}[2];    
+#        my $input_activ = @{$info}[3];
+#        if (vec($rout, fileno $input_fhd, 1) && $input_activ eq 'on') {
+#            daemon_log(" ", 1);
+#            my $client = $input_fhd->accept();
+#            my $other_end = getpeername($client);
+#            if(not defined $other_end) {
+#                daemon_log("client cannot be identified: $!");
+#            } else {
+#                my ($port, $iaddr) = unpack_sockaddr_in($other_end);
+#                my $actual_ip = inet_ntoa($iaddr);
+#                daemon_log("accept client at daemon socket from $actual_ip", 5);
+#                my $in_msg = &read_from_socket($client);
+#                if(defined $in_msg){
+#                    chomp($in_msg);
+#                    &activating_child($in_msg, $actual_ip, $client);
+#                } else {
+#                    daemon_log("cannot read from $actual_ip", 5);
+#                }
+#            }
+#        }
+#    }
+#
+#    # check all processing childs whether they are finished ('done') or 
+#    while ( my ($pid, $child_hash) = each %busy_child ) {
+#        my $fhd = $$child_hash{'pipe_rd'};
+#
+#        if (vec($rout, fileno $fhd, 1) ) {
+#            daemon_log("process child $pid is ready to read", 5);
+# 
+#            my $in_msg;
+#            while (1) {
+#                my $part_in_msg = <$fhd>;
+#                if( $part_in_msg eq "ENDMESSAGE\n") {
+#                    last;
+#                }
+#                $in_msg .= $part_in_msg;
+#            }
+#            chomp($in_msg);
+#            
+#            if (not defined $in_msg) { 
+#                next; 
+#            } elsif ($in_msg =~ "done") {
+#                daemon_log("process child read: $in_msg", 7);
+#                delete $busy_child{$pid};
+#                $free_child{$pid} = $child_hash;
+#
+#            } else {
+#                daemon_log("process child read:", 7);
+#                daemon_log("\n$in_msg", 8);
+#                # send computed answer back to connected client
+#                my $act_client = $busy_child{$pid}{client_ref};
+#                print $act_client $in_msg."\n";
+#                delete $busy_child{$pid};
+#                $free_child{$pid} = $child_hash;
+#
+#            }
+#        }
+#    }
+#
+#    # check gosa job queue for jobs with executable timestamp
+#    my ($seconds, $minutes, $hours, $monthday, $month,
+#    $year, $weekday, $yearday, $sommertime) = localtime(time);
+#    $hours = $hours < 10 ? $hours = "0".$hours : $hours;
+#    $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
+#    $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
+#    $month+=1;
+#    $month = $month < 10 ? $month = "0".$month : $month;
+#    $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
+#    $year+=1900;
+#    my $timestamp = "$year$month$monthday$hours$minutes$seconds";
+#    
+#    
+#    my $res = $job_db->select_dbentry( { table=>$job_queue_table_name, status=>'waiting', timestamp=>$timestamp  } );
+#
+#    while( my ($id, $hit) = each %{$res} ) {         
+#
+#        my $jobdb_id = $hit->{id};
+#        my $macaddress = $hit->{macaddress};
+#        my $job_msg_hash = &transform_msg2hash($hit->{xmlmessage});
+#        my $out_msg_hash = $job_msg_hash;
+#        my $res_hash = $known_clients_db->select_dbentry( {table=>'known_clients', macaddress=>$macaddress} );
+#        # expect macaddress is unique!!!!!!
+#        my $target = $res_hash->{1}->{hostname};
+#        
+#        if (not defined $target) {
+#            &daemon_log("ERROR: no host found for mac address: $job_msg_hash->{mac}[0]", 1);
+#            &daemon_log("xml message: $hit->{xmlmessage}", 5);
+#            my $update_hash = { table=>$job_queue_table_name,
+#                update=> [ { status=>['error'], result=>["no host found for mac address"] } ],
+#                where=> [ { id=>[$jobdb_id] } ],
+#            };
+#            my $res = $job_db->update_dbentry($update_hash);
+#
+#            next;
+#        }
+#
+#        # add target
+#        &add_content2xml_hash($out_msg_hash, "target", $target);
+#
+#        # add new header
+#        my $out_header = $job_msg_hash->{header}[0];
+#        $out_header =~ s/job_/gosa_/;
+#        delete $out_msg_hash->{header};
+#        &add_content2xml_hash($out_msg_hash, "header", $out_header);
+#        
+#        # add sqlite_id 
+#        &add_content2xml_hash($out_msg_hash, "jobdb_id", $jobdb_id); 
+#    
+#        my $out_msg = &create_xml_string($out_msg_hash);
+#
+#        # encrypt msg as a GosaPackage module
+#        my $cipher = &create_ciphering($gosa_passwd);
+#        my $crypted_out_msg = &encrypt_msg($out_msg, $cipher);
+#
+#        my $error = &send_msg_hash2address($out_msg_hash, "$gosa_ip:$gosa_port", $gosa_passwd);
+#
+#        if ($error == 0) {
+#            my $sql = "UPDATE '$job_queue_table_name' SET status='processing', targettag='$target' WHERE id='$jobdb_id'";
+#            my $res = $job_db->exec_statement($sql);
+#        } else {
+#            my $update_hash = { table=>$job_queue_table_name, 
+#                                update=> [ { status=>'error' } ],
+#                                where=> [ { id=>$jobdb_id } ],
+#                              };
+#            my $res = $job_db->update_dbentry($update_hash);
+#        }
+#
+#    }  
+#
+#
+#}
+print STDERR "Server Port: $server_port\n";
+POE::Component::Server::TCP->new
+(
+	Port => $server_port,
+	ClientInput => \&client_input,
+);
+
+POE::Kernel->run();
+exit;
+
+sub client_input {
+	my ($heap,$input,$wheel) = @_[HEAP, ARG0, ARG1];
+	#print STDERR Dumper($heap);
+	######################################
+	# forward msg to all imported modules 
+	no strict "refs";
+	my $answer;
+	my %act_modules = %$known_modules;
+	while( my ($module, $info) = each(%act_modules)) {
+		daemon_log("Processing module ".$module, 3);
+		my $tmp = &{ $module."::process_incoming_msg" }($input.".".$heap->{remote_ip}."\n");
+		if (defined $tmp) {
+			$answer = $tmp;
+		}
+		daemon_log("Got answer from module ".$module.": ".$answer,3);
+	}        
+	daemon_log("processing of msg finished", 5);
+
+	if (defined $answer) {
+		$heap->{client}->put($answer);
+	} else {
+		$heap->{client}->put("done\n");
+	}
+	#redo;
+}
diff --git a/gosa-si-poe/modules/DBsqlite.pm b/gosa-si-poe/modules/DBsqlite.pm
new file mode 100644
index 000000000..20463d782
--- /dev/null
+++ b/gosa-si-poe/modules/DBsqlite.pm
@@ -0,0 +1,377 @@
+package GOSA::DBsqlite;
+
+
+use strict;
+use warnings;
+use DBI;
+use Data::Dumper;
+use threads;
+use Time::HiRes qw(usleep);
+
+my $col_names = {};
+
+sub new {
+    my $class = shift;
+    my $db_name = shift;
+
+    my $lock='/tmp/gosa_si_lock';
+    my $_lock = $db_name;
+    $_lock =~ tr/\//_/;
+    $lock.=$_lock;
+    my $self = {dbh=>undef,db_name=>undef,db_lock=>undef,db_lock_handle=>undef};
+    my $dbh = DBI->connect("dbi:SQLite:dbname=$db_name");
+    $self->{dbh} = $dbh;
+    $self->{db_name} = $db_name;
+    $self->{db_lock} = $lock;
+    bless($self,$class);
+
+    return($self);
+}
+
+sub lock_exists : locked {
+    my $self=shift;
+    my $funcname=shift;
+    my $lock = $self->{db_lock};
+    my $result=(-f $lock);
+    if($result) {
+        #print STDERR "(".((defined $funcname)?$funcname:"").") Lock (PID ".$$.") $lock gefunden\n";
+        usleep 100;
+    }
+    return $result;
+}
+
+sub create_lock : locked {
+    my $self=shift;
+    my $funcname=shift;
+    #print STDERR "(".((defined $funcname)?$funcname:"").") Erzeuge Lock (PID ".$$.") ".($self->{db_lock})."\n";
+
+    my $lock = $self->{db_lock};
+    while( -f $lock ) {
+        #print STDERR "(".((defined $funcname)?$funcname:"").") Lock (PID ".$$.") $lock gefunden\n";
+        sleep 1;
+    }
+
+    open($self->{db_lock_handle},'>',$self->{db_lock});
+}
+
+sub remove_lock : locked {
+    my $self=shift;
+    my $funcname=shift;
+    #print STDERR "(".((defined $funcname)?$funcname:"").") Entferne Lock (PID ".$$.") ".$self->{db_lock}."\n";
+    close($self->{db_lock_handle});
+    unlink($self->{db_lock});
+}
+
+sub create_table {
+    my $self = shift;
+    my $table_name = shift;
+    my $col_names_ref = shift;
+    $col_names->{ $table_name } = $col_names_ref;
+    my $col_names_string = join(', ', @{$col_names_ref});
+    my $sql_statement = "CREATE TABLE IF NOT EXISTS $table_name ( $col_names_string )"; 
+    &create_lock($self,'create_table');
+    $self->{dbh}->do($sql_statement);
+    &remove_lock($self,'create_table');
+    return 0;
+}
+ 
+
+
+sub add_dbentry {
+    my $self = shift;
+    my $arg = shift;
+
+    # if dbh not specified, return errorflag 1
+    my $table = $arg->{table};
+    if( not defined $table ) { 
+        return 1 ; 
+    }
+
+    # specify primary key in table
+    if (not exists $arg->{primkey}) {
+        return 2;
+    }
+    my $primkey = $arg->{primkey};
+
+    # if primkey is id, fetch max id from table and give new job id=  max(id)+1
+    if ($primkey eq 'id') {
+        my $id;
+        my $sql_statement = "SELECT MAX(id) FROM $table";
+        &create_lock($self,'add_dbentry');
+        my $max_id = @{ @{ $self->{dbh}->selectall_arrayref($sql_statement) }[0] }[0];
+        &remove_lock($self,'add_dbentry');
+        if( defined $max_id) {
+            $id = $max_id + 1; 
+        } else {
+            $id = 1;
+        }
+        $arg->{id} = $id;
+    }
+
+    # check wether value to primary key is specified
+    if ( not exists $arg->{ $primkey } ) {
+        return 3;
+    }
+     
+    # if timestamp is not provided, add timestamp   
+    if( not exists $arg->{timestamp} ) {
+        $arg->{timestamp} = &get_time;
+    }
+
+    # check wether primkey is unique in table, otherwise return errorflag
+    my $sql_statement = "SELECT * FROM $table WHERE $primkey='$arg->{$primkey}'";
+    &create_lock($self,'add_dbentry');
+    my $res = @{ $self->{dbh}->selectall_arrayref($sql_statement) };
+    &remove_lock($self,'add_dbentry');
+    if ($res == 0) {
+        # fetch column names of table
+        my $col_names = &get_table_columns("",$table);
+
+        # assign values to column name variables
+        my @add_list;
+        foreach my $col_name (@{$col_names}) {
+        # use function parameter for column values
+            if (exists $arg->{$col_name}) {
+                push(@add_list, $arg->{$col_name});
+            }
+        }    
+
+        my $sql_statement = "INSERT INTO $table VALUES ('".join("', '", @add_list)."')";
+        print STDERR $sql_statement;
+        &create_lock($self,'add_dbentry');
+        my $db_res = $self->{dbh}->do($sql_statement);
+        &remove_lock($self,'add_dbentry');
+        if( $db_res != 1 ) {
+            return 4;
+        } else { 
+            return 0;
+        }
+
+    } else  {
+        my $update_hash = { table=>$table };
+        $update_hash->{where} = [ { $primkey=>[ $arg->{$primkey} ] } ];
+        $update_hash->{update} = [ {} ];
+        while( my ($pram, $val) = each %{$arg} ) {
+            if( $pram eq 'table' ) { next; }
+            if( $pram eq 'primkey' ) { next; }
+            $update_hash->{update}[0]->{$pram} = [$val];
+        }
+        my $db_res = &update_dbentry( $self, $update_hash );
+        if( $db_res != 1 ) {
+            return 5;
+        } else { 
+            return 0;
+        }
+
+    }
+}
+
+
+# error-flags
+# 1 no table ($table) defined
+# 2 no restriction parameter ($restric_pram) defined
+# 3 no restriction value ($restric_val) defined
+# 4 column name not known in table
+# 5 no column names to change specified
+sub update_dbentry {
+    my $self = shift;
+    my $arg = shift;
+
+
+    # check completeness of function parameter
+    # extract table statement from arg hash
+    my $table = $arg->{table};
+    if (not defined $table) {
+        return 1;
+    } else {
+        delete $arg->{table};
+    }
+    
+    # extract where parameter from arg hash
+    my $where_statement = "";
+    if( exists $arg->{where} ) {
+        my $where_hash = @{ $arg->{where} }[0];
+        if( 0 < keys %{ $where_hash } ) {
+            my @where_list;    
+            while( my ($rest_pram, $rest_val) = each %{ $where_hash } ) {
+                my $statement;
+                if( $rest_pram eq 'timestamp' ) {
+                    $statement = "$rest_pram<'@{ $rest_val }[0]'";
+                } else {
+                    $statement = "$rest_pram='@{ $rest_val }[0]'";
+                }
+                push( @where_list, $statement );
+            }
+            $where_statement .= "WHERE ".join('AND ', @where_list);
+        }
+    }
+
+    # extract update parameter from arg hash
+    my $update_hash = @{ $arg->{update} }[0];
+    my $update_statement = "";
+    if( 0 < keys %{ $update_hash } ) {
+        my @update_list;    
+        while( my ($rest_pram, $rest_val) = each %{ $update_hash } ) {
+            my $statement = "$rest_pram='@{ $rest_val }[0]'";
+            push( @update_list, $statement );
+        }
+        $update_statement .= join(', ', @update_list);
+    }
+
+    my $sql_statement = "UPDATE $table SET $update_statement $where_statement";
+    &create_lock($self,'update_dbentry');
+    my $db_answer = $self->{dbh}->do($sql_statement);
+    &remove_lock($self,'update_dbentry');
+    return $db_answer;
+}  
+
+
+sub del_dbentry {
+    my $self = shift;
+    my $arg = shift;
+
+
+    # check completeness of function parameter
+    # extract table statement from arg hash
+    my $table = $arg->{table};
+    if (not defined $table) {
+        return 1;
+    } else {
+        delete $arg->{table};
+    }
+
+    # collect select statements
+    my @del_list;
+    while (my ($pram, $val) = each %{$arg}) {
+        if ( $pram eq 'timestamp' ) {
+            push(@del_list, "$pram < '$val'");
+        } else {
+            push(@del_list, "$pram = '$val'");
+        }
+    }
+
+    my $where_statement;
+    if( not @del_list ) {
+        $where_statement = "";
+    } else {
+        $where_statement = "WHERE ".join(' AND ', @del_list);
+    }
+
+    my $sql_statement = "DELETE FROM $table $where_statement";
+    &create_lock($self,'del_dbentry');
+    my $db_res = $self->{dbh}->do($sql_statement);
+    &remove_lock($self,'del_dbentry');
+    return $db_res;
+}
+
+
+sub get_table_columns {
+    my $self = shift;
+    my $table = shift;
+    my @column_names;
+    
+    if(exists $col_names->{$table}) {
+        @column_names = @{$col_names->{$table}};
+    } else {
+        &create_lock($self,'get_table_columns');
+        my @res = @{$self->{dbh}->selectall_arrayref("pragma table_info('$table')")};
+        &remove_lock($self,'get_table_columns');
+        foreach my $column (@res) {
+            push(@column_names, @$column[1]);
+        }
+    }
+    return \@column_names;
+
+}
+
+sub select_dbentry {
+    my $self = shift;
+    my $arg = shift;
+
+    
+    # check completeness of function parameter
+    # extract table statement from arg hash
+    my $table = $arg->{table};
+    if (not defined $table) {
+        return 1;
+    } else {
+        delete $arg->{table};
+    }
+
+    # collect select statements
+    my @select_list;
+    my $sql_statement;
+    while (my ($pram, $val) = each %{$arg}) {
+        if ( $pram eq 'timestamp' ) {
+            push(@select_list, "$pram < '$val'");
+        } else {
+            push(@select_list, "$pram = '$val'");
+        }
+    }
+
+    if (@select_list == 0) {
+        $sql_statement = "SELECT * FROM '$table'";
+    } else {
+        $sql_statement = "SELECT * FROM '$table' WHERE ".join(' AND ', @select_list);
+    }
+
+    # query db
+    &create_lock($self,'select_dbentry');
+    my $query_answer = $self->{dbh}->selectall_arrayref($sql_statement);
+    &remove_lock($self,'select_dbentry');
+
+    # fetch column list of db and create a hash with column_name->column_value of the select query
+    my $column_list = &get_table_columns($self, $table);    
+    my $list_len = @{ $column_list } ;
+    my $answer = {};
+    my $hit_counter = 0;
+
+    foreach my $hit ( @{ $query_answer }) {
+        $hit_counter++;
+        for ( my $i = 0; $i < $list_len; $i++) {
+            $answer->{ $hit_counter }->{ @{ $column_list }[$i] } = @{ $hit }[$i];
+        }
+    }
+
+    return $answer;  
+}
+
+
+sub show_table {
+    my $self = shift;
+    my $table_name = shift;
+    &create_lock($self,'show_table');
+    my @res = @{$self->{dbh}->selectall_arrayref( "SELECT * FROM $table_name")};
+    &remove_lock($self,'show_table');
+    my @answer;
+    foreach my $hit (@res) {
+        push(@answer, "hit: ".join(', ', @{$hit}));
+    }
+    return join("\n", @answer);
+}
+
+
+sub exec_statement {
+    my $self = shift;
+    my $sql_statement = shift;
+    &create_lock($self,'exec_statement');
+    my @res = @{$self->{dbh}->selectall_arrayref($sql_statement)};
+    &remove_lock($self, 'exec_statement');
+    return \@res;
+}
+
+sub get_time {
+    my ($seconds, $minutes, $hours, $monthday, $month,
+            $year, $weekday, $yearday, $sommertime) = localtime(time);
+    $hours = $hours < 10 ? $hours = "0".$hours : $hours;
+    $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
+    $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
+    $month+=1;
+    $month = $month < 10 ? $month = "0".$month : $month;
+    $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
+    $year+=1900;
+    return "$year$month$monthday$hours$minutes$seconds";
+}
+
+
+1;
diff --git a/gosa-si-poe/modules/GosaPackages.pm b/gosa-si-poe/modules/GosaPackages.pm
new file mode 100644
index 000000000..86895caeb
--- /dev/null
+++ b/gosa-si-poe/modules/GosaPackages.pm
@@ -0,0 +1,610 @@
+package GosaPackages;
+
+use Exporter;
+@ISA = ("Exporter");
+
+use strict;
+use warnings;
+use GOSA::GosaSupportDaemon;
+use IO::Socket::INET;
+use XML::Simple;
+use File::Spec;
+use Data::Dumper;
+use GOSA::DBsqlite;
+use MIME::Base64;
+
+BEGIN{}
+END{}
+
+my ($server_activ, $server_ip, $server_mac_address, $server_port, $server_passwd, $max_clients, $server_event_dir);
+my ($bus_activ, $bus_passwd, $bus_ip, $bus_port);
+my ($gosa_activ, $gosa_ip, $gosa_mac_address, $gosa_port, $gosa_passwd, $network_interface);
+my ($job_queue_timeout, $job_queue_file_name);
+
+my $gosa_server;
+
+my %cfg_defaults = 
+("general" =>
+    {"job_queue_file_name" => [\$job_queue_file_name, '/var/lib/gosa-si/jobs.db'],
+    },
+"server" =>
+    {"server_activ" => [\$server_activ, "on"],
+    "server_ip" => [\$server_ip, "0.0.0.0"],
+    "server_port" => [\$server_port, "20081"],
+    "server_passwd" => [\$server_passwd, ""],
+    "max_clients" => [\$max_clients, 100],
+    "server_event_dir" => [\$server_event_dir, '/usr/lib/gosa-si/server/events'],
+    },
+"bus" =>
+    {"bus_activ" => [\$bus_activ, "on"],
+    "bus_passwd" => [\$bus_passwd, ""],
+    "bus_ip" => [\$bus_ip, "0.0.0.0"],
+    "bus_port" => [\$bus_port, "20080"],
+    },
+"gosa" =>
+    {"gosa_activ" => [\$gosa_activ, "on"],
+    "gosa_ip" => [\$gosa_ip, "0.0.0.0"],
+    "gosa_port" => [\$gosa_port, "20082"],
+    "gosa_passwd" => [\$gosa_passwd, "none"],
+    },
+);
+ 
+
+## START ##########################
+
+# read configfile and import variables
+&read_configfile();
+$network_interface= &get_interface_for_ip($server_ip);
+$gosa_mac_address= &get_mac($network_interface);
+
+# complete addresses
+my $server_address = "$server_ip:$server_port";
+my $bus_address = "$bus_ip:$bus_port";
+my $gosa_address = "$gosa_ip:$gosa_port";
+
+# create general settings for this module
+my $gosa_cipher = &create_ciphering($gosa_passwd);
+my $xml = new XML::Simple();
+
+# open gosa socket
+if ($gosa_activ eq "on") {
+    &main::daemon_log(" ",1);
+    $gosa_server = IO::Socket::INET->new(LocalPort => $gosa_port,
+            Type => SOCK_STREAM,
+            Reuse => 1,
+            Listen => 1,
+            );
+    if (not defined $gosa_server) {
+        &main::daemon_log("cannot start tcp server at $gosa_port for communication to gosa: $@", 1);
+        die;
+    } else {
+        &main::daemon_log("start server for communication to gosa: $gosa_address", 1);
+        
+    }
+}
+
+# create gosa job queue as a SQLite DB 
+my $table_name = "jobs";
+my $sqlite = GOSA::DBsqlite->new($job_queue_file_name);
+
+
+
+
+## FUNCTIONS #################################################################
+
+sub get_module_info {
+    my @info = ($gosa_address,
+                $gosa_passwd,
+                $gosa_server,
+                $gosa_activ,
+                "socket",
+                );
+    return \@info;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  read_configfile
+#   PARAMETERS:  cfg_file - string -
+#      RETURNS:  nothing
+#  DESCRIPTION:  read cfg_file and set variables
+#===============================================================================
+sub read_configfile {
+    my $cfg;
+    if( defined( $main::cfg_file) && ( length($main::cfg_file) > 0 )) {
+        if( -r $main::cfg_file ) {
+            $cfg = Config::IniFiles->new( -file => $main::cfg_file );
+        } else {
+            print STDERR "Couldn't read config file!";
+        }
+    } else {
+        $cfg = Config::IniFiles->new() ;
+    }
+    foreach my $section (keys %cfg_defaults) {
+        foreach my $param (keys %{$cfg_defaults{ $section }}) {
+            my $pinfo = $cfg_defaults{ $section }{ $param };
+            ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
+        }
+    }
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_interface_for_ip
+#   PARAMETERS:  ip address (i.e. 192.168.0.1)
+#      RETURNS:  array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
+#  DESCRIPTION:  Uses proc fs (/proc/net/dev) to get list of interfaces.
+#===============================================================================
+sub get_interface_for_ip {
+        my $result;
+        my $ip= shift;
+        if ($ip && length($ip) > 0) {
+                my @ifs= &get_interfaces();
+                if($ip eq "0.0.0.0") {
+                        $result = "all";
+                } else {
+                        foreach (@ifs) {
+                                my $if=$_;
+                                if(get_ip($if) eq $ip) {
+                                        $result = $if;
+                                }
+                        }       
+                }
+        }       
+        return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_interfaces 
+#   PARAMETERS:  none
+#      RETURNS:  (list of interfaces) 
+#  DESCRIPTION:  Uses proc fs (/proc/net/dev) to get list of interfaces.
+#===============================================================================
+sub get_interfaces {
+        my @result;
+        my $PROC_NET_DEV= ('/proc/net/dev');
+
+        open(PROC_NET_DEV, "<$PROC_NET_DEV")
+                or die "Could not open $PROC_NET_DEV";
+
+        my @ifs = <PROC_NET_DEV>;
+
+        close(PROC_NET_DEV);
+
+        # Eat first two line
+        shift @ifs;
+        shift @ifs;
+
+        chomp @ifs;
+        foreach my $line(@ifs) {
+                my $if= (split /:/, $line)[0];
+                $if =~ s/^\s+//;
+                push @result, $if;
+        }
+
+        return @result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_mac 
+#   PARAMETERS:  interface name (i.e. eth0)
+#      RETURNS:  (mac address) 
+#  DESCRIPTION:  Uses ioctl to get mac address directly from system.
+#===============================================================================
+sub get_mac {
+        my $ifreq= shift;
+        my $result;
+        if ($ifreq && length($ifreq) > 0) { 
+                if($ifreq eq "all") {
+                        $result = "00:00:00:00:00:00";
+                } else {
+                        my $SIOCGIFHWADDR= 0x8927;     # man 2 ioctl_list
+
+                        # A configured MAC Address should always override a guessed value
+                        if ($gosa_mac_address and length($gosa_mac_address) > 0) {
+                                $result= $gosa_mac_address;
+                        }
+
+                        socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
+                                or die "socket: $!";
+
+                        if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
+                                my ($if, $mac)= unpack 'h36 H12', $ifreq;
+
+                                if (length($mac) > 0) {
+                                        $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
+                                        $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
+                                        $result = $mac;
+                                }
+                        }
+                }
+        }
+        return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_ip 
+#   PARAMETERS:  interface name (i.e. eth0)
+#      RETURNS:  (ip address) 
+#  DESCRIPTION:  Uses ioctl to get ip address directly from system.
+#===============================================================================
+sub get_ip {
+        my $ifreq= shift;
+        my $result= "";
+        my $SIOCGIFADDR= 0x8915;       # man 2 ioctl_list
+        my $proto= getprotobyname('ip');
+
+        socket SOCKET, PF_INET, SOCK_DGRAM, $proto
+                or die "socket: $!";
+
+        if(ioctl SOCKET, $SIOCGIFADDR, $ifreq) {
+                my ($if, $sin)    = unpack 'a16 a16', $ifreq;
+                my ($port, $addr) = sockaddr_in $sin;
+                my $ip            = inet_ntoa $addr;
+
+                if ($ip && length($ip) > 0) {
+                        $result = $ip;
+                }
+        }
+
+        return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  open_socket
+#   PARAMETERS:  PeerAddr string something like 192.168.1.1 or 192.168.1.1:10000
+#                [PeerPort] string necessary if port not appended by PeerAddr
+#      RETURNS:  socket IO::Socket::INET
+#  DESCRIPTION:  open a socket to PeerAddr
+#===============================================================================
+sub open_socket {
+    my ($PeerAddr, $PeerPort) = @_ ;
+    if(defined($PeerPort)){
+        $PeerAddr = $PeerAddr.":".$PeerPort;
+    }
+    my $socket;
+    $socket = new IO::Socket::INET(PeerAddr => $PeerAddr ,
+            Porto => "tcp" ,
+            Type => SOCK_STREAM,
+            Timeout => 5,
+            );
+    if(not defined $socket) {
+        return;
+    }
+    &main::daemon_log("open_socket to: $PeerAddr", 7);
+    return $socket;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  process_incoming_msg
+#   PARAMETERS:  crypted_msg - string - incoming crypted message
+#      RETURNS:  nothing
+#  DESCRIPTION:  handels the proceeded distribution to the appropriated functions
+#===============================================================================
+sub process_incoming_msg {
+    my ($crypted_msg) = @_ ;
+	&main::daemon_log("Got message $crypted_msg", 5);
+	if( (not(defined($crypted_msg))) || (length($crypted_msg) <= 0)) {
+        &main::daemon_log("function 'process_incoming_msg': got no msg", 7);
+        return;
+    }
+
+    $crypted_msg =~ /^([\s\S]*?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)$/;
+    $crypted_msg = $1;
+	my $host = sprintf("%s.%s.%s.%s", $2, $3, $4, $5);
+ 
+    # collect addresses from possible incoming clients
+    # only gosa is allowd as incoming client
+    &main::daemon_log("GosaPackages: host_key: $host", 7);
+    &main::daemon_log("GosaPackages: key_passwd: $gosa_passwd", 7);
+
+    $gosa_cipher = &create_ciphering($gosa_passwd);
+
+    # determine the correct passwd for deciphering of the incoming msgs
+    my $msg = "";
+    my $msg_hash;
+    eval{
+        $msg = &decrypt_msg($crypted_msg, $gosa_cipher);
+        &main::daemon_log("GosaPackages: decrypted_msg: \n$msg", 7);
+
+        $msg_hash = $xml->XMLin($msg, ForceArray=>1);
+    };
+    if($@) {
+        &main::daemon_log("WARNING: GosaPackages do not understand the message:", 5);
+        &main::daemon_log("$@", 7);
+        return;
+    }
+
+    my $header = @{$msg_hash->{header}}[0];
+    
+    &main::daemon_log("GosaPackages: receive '$header' from $host", 1);
+    
+    my $out_msg;
+    if ($header =~ /^job_/) {
+        $out_msg = &process_job_msg($msg, $msg_hash);
+    } elsif ($header =~ /^gosa_/) {
+        $out_msg = &process_gosa_msg($msg, $header);
+    } else {
+        &main::daemon_log("ERROR: $header is not a valid GosaPackage-header, need a 'job_' or a 'gosa_' prefix");
+    }
+    
+    if (not defined $out_msg) {
+        return;
+    }
+
+    if ($out_msg =~ /<jobdb_id>(\d*?)<\/jobdb_id>/) {
+        my $job_id = $1;
+        my $sql = "BEGIN TRANSATION; UPDATE '".$main::job_queue_table_name.
+            "' SET status='done', result='".$out_msg.
+            "' WHERE id='$job_id'; COMMIT;";
+        my $res = $main::job_db->exec_statement($sql);
+        return;
+
+    } else {
+
+        my $out_cipher = &create_ciphering($gosa_passwd);
+        $out_msg = &encrypt_msg($out_msg, $out_cipher);
+        return $out_msg;
+	}
+
+}
+
+sub process_gosa_msg {
+    my ($msg, $header) = @_ ;
+    my $out_msg;
+    $header =~ s/gosa_//;
+
+    # decide wether msg is a core function or a event handler
+    if ( $header eq 'query_jobdb') { $out_msg = &query_jobdb }
+    elsif ($header eq 'delete_jobdb_entry') { $out_msg = &delete_jobdb_entry }
+    elsif ($header eq 'clear_jobdb') { $out_msg = &clear_jobdb }
+    elsif ($header eq 'update_status_jobdb_entry' ) { $out_msg = &update_status_jobdb_entry }
+    elsif ($header eq 'update_timestamp_jobdb_entry' ) { $out_msg = &update_timestamp_jobdb_entry }
+    else {
+        # msg could not be assigned to core function
+        # fetch all available eventhandler under $server_event_dir
+        opendir (DIR, $server_event_dir) or &main::daemon_log("ERROR cannot open $server_event_dir: $!\n", 1) and return;
+        while (defined (my $file = readdir (DIR))) {
+            if (not $file eq $header) {
+                next;
+            }
+            # try to deliver incoming msg to eventhandler
+            my $cmd = File::Spec->join($server_event_dir, $header)." '$msg'";
+            &main::daemon_log("GosaPackages: execute event_handler $header", 3);
+            &main::daemon_log("GosaPackages: cmd: $cmd", 7);
+
+            $out_msg = "";
+            open(PIPE, "$cmd 2>&1 |");
+            while(<PIPE>) {
+                $out_msg.=$_;
+            }
+            close(PIPE);
+            &main::daemon_log("GosaPackages: answer of cmd: $out_msg", 5);
+            last;
+        }
+    }
+
+    # if delivery not possible raise error and return 
+    if (not defined $out_msg) {
+        &main::daemon_log("ERROR: GosaPackages: no event handler or core function defined for $header", 1);
+    } elsif ($out_msg eq "") {
+        &main::daemon_log("ERROR: GosaPackages got not answer from event_handler $header", 1);
+    }
+    return $out_msg;
+    
+}
+
+
+sub process_job_msg {
+    my ($msg, $msg_hash)= @_ ;    
+
+    my $header = @{$msg_hash->{header}}[0];
+    $header =~ s/job_//;
+    
+    # check wether mac address is already known in known_daemons or known_clients
+    my $target = 'none';
+
+    # add job to job queue
+    my $func_dic = {table=>$main::job_queue_table_name, 
+                    primkey=>'id',
+                    timestamp=>@{$msg_hash->{timestamp}}[0],
+                    status=>'waiting', 
+                    result=>'none',
+                    headertag=>$header, 
+                    targettag=>$target,
+                    xmlmessage=>$msg,
+                    macaddress=>@{$msg_hash->{mac}}[0],
+                    };
+    my $res = $main::job_db->add_dbentry($func_dic);
+    if (not $res == 0) {
+        &main::daemon_log("ERROR: GosaPackages: process_job_msg: $res", 1);
+    }
+    
+    &main::daemon_log("GosaPackages: $header job successfully added to job queue", 3);
+    return "<xml><1>$res</1></xml>";
+
+}
+
+
+sub db_res_2_xml {
+    my ($db_res) = @_ ;
+
+    my $xml = "<xml>";
+
+    while ( my ($hit, $hash) = each %{ $db_res } ) {
+        $xml .= "\n<answer$hit>";
+
+        while ( my ($column_name, $column_value) = each %{$hash} ) {
+            $xml .= "<$column_name>";
+            my $xml_content;
+            if( $column_name eq "xmlmessage" ) {
+                $xml_content = &encode_base64($column_value);
+            } else {
+                $xml_content = $column_value;
+            }
+            $xml .= $xml_content;
+            $xml .= "</$column_name>"; 
+        }
+
+        $xml .= "</answer$hit>";
+    }
+
+    $xml .= "</xml>";
+    return $xml;
+}
+
+
+## CORE FUNCTIONS ############################################################
+
+sub query_jobdb {
+    my ($msg) = @_;
+    my $msg_hash = &transform_msg2hash($msg);
+
+    # prepare query sql statement
+    my @where = @{$msg_hash->{where}};
+    my $where_hash = {table=>$main::job_queue_table_name };
+    foreach my $where_pram (@where) {
+        my $where_val = @{$msg_hash->{$where_pram}}[0];
+        if (defined $where_val) {
+            $where_hash->{$where_pram} = $where_val;
+        }
+    }
+ 
+    # execute db query   
+    my $res_hash = $main::job_db->select_dbentry($where_hash);
+
+    my $out_xml = &db_res_2_xml($res_hash);
+    return $out_xml;
+}
+
+sub delete_jobdb_entry {
+    my ($msg) = @_ ;
+    my $msg_hash = &transform_msg2hash($msg);
+    
+    # prepare query sql statement
+    my @where = @{$msg_hash->{where}};
+    my $where_hash = {table=>$main::job_queue_table_name };
+    foreach my $where_pram (@where) {
+        my $where_val = @{$msg_hash->{$where_pram}}[0];
+        if (defined $where_val) {
+            $where_hash->{$where_pram} = $where_val;
+        }
+    }
+    
+    # execute db query
+    my $db_res = $main::job_db->del_dbentry($where_hash);
+
+    my $res;
+    if( $db_res > 0 ) { 
+        $res = 0 ;
+    } else {
+        $res = 1;
+    }
+
+    # prepare xml answer
+    my $out_xml = "<xml><answer1>$res</answer1></xml>";
+    return $out_xml;
+
+}
+
+sub clear_jobdb {
+    my ($msg) = @_ ;
+    my $msg_hash = &transform_msg2hash($msg);
+    
+    my $where_hash = {table=>$main::job_queue_table_name };
+    
+    # execute db query
+    my $db_res = $main::job_db->del_dbentry($where_hash);
+    print STDERR "db_res=$db_res\n";
+    my $res;
+    if( $db_res eq '0E0' ) { 
+        $res = 0 ;
+    } else {
+        $res = 1;
+    }
+
+    # prepare xml answer
+    my $out_xml = "<xml><answer1>$res</answer1></xml>";
+    return $out_xml;
+}
+
+sub update_status_jobdb_entry {
+    my ($msg) = @_ ;
+    my $msg_hash = &transform_msg2hash($msg);
+    
+    # prepare query sql statement
+    my $update_hash = {table=>$main::job_queue_table_name };
+    if( exists $msg_hash->{where} ) {
+        $update_hash->{where} = $msg_hash->{where};
+    } else {
+        $update_hash->{where} = [];
+    }
+
+    if( not exists $msg_hash->{update}[0]->{status} ) {
+        return "<xml><answer1>1</answer1></xml>";
+    }
+    $update_hash->{update} = [ { status=>$msg_hash->{update}[0]->{status} } ];
+
+    # execute db query
+    my $db_res = $main::job_db->update_dbentry($update_hash);
+
+    # transform db answer to error returnment
+    my $res;
+    if( $db_res > 0 ) { 
+        $res = 0 ;
+    } else {
+        $res = 1;
+    }
+
+    # prepare xml answer
+    my $out_xml = "<xml><answer1>$res</answer1></xml>";
+    return $out_xml;
+}
+
+sub update_timestamp_jobdb_entry {
+    my ($msg) = @_ ;
+    my $msg_hash = &transform_msg2hash($msg);
+    
+    # prepare query sql statement
+    my $update_hash = {table=>$main::job_queue_table_name };
+    if( exists $msg_hash->{where} ) {
+        $update_hash->{where} = $msg_hash->{where};
+    } else {
+        $update_hash->{where} = [];
+    }
+
+    if( not exists $msg_hash->{update}[0]->{timestamp} ) {
+        return "<xml><answer1>1</answer1></xml>";
+    }
+
+    $update_hash->{update} = [ { timestamp=>$msg_hash->{update}[0]->{timestamp} } ];
+
+    # execute db query
+    my $db_res = $main::job_db->update_dbentry($update_hash);
+
+    # transform db answer to error returnment
+    my $res;
+    if( $db_res > 0 ) { 
+        $res = 0 ;
+    } else {
+        $res = 1;
+    }
+
+    # prepare xml answer
+    my $out_xml = "<xml><answer1>$res</answer1></xml>";
+    return $out_xml;
+
+}
+
+
+1;
+
+
+
+
+
+
+
+
+
+
diff --git a/gosa-si-poe/modules/GosaSupportDaemon.pm b/gosa-si-poe/modules/GosaSupportDaemon.pm
new file mode 100644
index 000000000..cf26ca49f
--- /dev/null
+++ b/gosa-si-poe/modules/GosaSupportDaemon.pm
@@ -0,0 +1,300 @@
+package GOSA::GosaSupportDaemon;
+
+use Exporter;
+@ISA = qw(Exporter);
+@EXPORT = qw(create_xml_hash send_msg_hash2address get_content_from_xml_hash add_content2xml_hash create_xml_string encrypt_msg decrypt_msg create_ciphering transform_msg2hash get_time send_msg); 
+
+use strict;
+use warnings;
+use IO::Socket::INET;
+use Crypt::Rijndael;
+use Digest::MD5  qw(md5 md5_hex md5_base64);
+use MIME::Base64;
+use XML::Simple;
+
+
+
+BEGIN {}
+
+END {}
+
+### Start ######################################################################
+
+my $xml = new XML::Simple();
+
+sub process_incoming_msg {
+    return;
+}
+
+sub daemon_log {
+    my ($msg, $level) = @_ ;
+    &main::daemon_log($msg, $level);
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_xml_hash
+#   PARAMETERS:  header - string - message header (required)
+#                source - string - where the message come from (required)
+#                target - string - where the message should go to (required)
+#                [header_value] - string - something usefull (optional)
+#      RETURNS:  hash - hash - nomen est omen
+#  DESCRIPTION:  creates a key-value hash, all values are stored in a array
+#===============================================================================
+sub create_xml_hash {
+    my ($header, $source, $target, $header_value) = @_;
+    my $hash = {
+            header => [$header],
+            source => [$source],
+            target => [$target],
+            $header => [$header_value],
+    };
+    return $hash
+}
+
+
+sub transform_msg2hash {
+    my ($msg) = @_ ;
+    my $hash = $xml->XMLin($msg, ForceArray=>1);
+    
+    # xml tags without a content are created as an empty hash
+    # substitute it with an empty list
+    while( my ($xml_tag, $xml_content) = each %{ $hash } ) {
+        if( 1 == @{ $xml_content } ) {
+            # there is only one element in xml_content list ...
+            my $element = @{ $xml_content }[0];
+            if( ref($element) eq "HASH" ) {
+                # and this element is an hash ...
+                my $len_element = keys %{ $element };
+                if( $len_element == 0 ) {
+                    # and this hash is empty, then substitute the xml_content
+                    # with an empty string in list
+                    $hash->{$xml_tag} = [ "none" ];
+                }
+            }
+        }
+    }
+
+    return $hash;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  send_msg_hash2address
+#   PARAMETERS:  msg_hash - hash - xml_hash created with function create_xml_hash
+#                PeerAddr string - socket address to send msg
+#                PeerPort string - socket port, if not included in socket address
+#      RETURNS:  nothing
+#  DESCRIPTION:  ????
+#===============================================================================
+sub send_msg_hash2address ($$$){
+    my ($msg_hash, $address, $passwd) = @_ ;
+
+    # fetch header for logging
+    my $header = @{$msg_hash->{header}}[0];  
+
+    # generate xml string
+    my $msg_xml = &create_xml_string($msg_hash);
+    
+    # create ciphering object
+    my $act_cipher = &create_ciphering($passwd);
+    
+    # encrypt xml msg
+    my $crypted_msg = &encrypt_msg($msg_xml, $act_cipher);
+    
+    # opensocket
+    my $socket = &open_socket($address);
+    if(not defined $socket){
+        daemon_log("cannot send '$header'-msg to $address , server not reachable", 5);
+        return 1;
+    }
+    
+    # send xml msg
+    print $socket $crypted_msg."\n";
+    
+    close $socket;
+
+    daemon_log("send '$header'-msg to $address", 1);
+    daemon_log("message:\n$msg_xml", 8);
+    return 0;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_content_from_xml_hash
+#   PARAMETERS:  xml_ref - ref - reference of the xml hash
+#                element - string - key of the value you want
+#      RETURNS:  value - string - if key is either header, target or source
+#                value - list - for all other keys in xml hash
+#  DESCRIPTION:
+#===============================================================================
+sub get_content_from_xml_hash {
+    my ($xml_ref, $element) = @_ ;
+    #my $result = $main::xml_ref->{$element};
+    #if( $element eq "header" || $element eq "target" || $element eq "source") {
+    #    return @$result[0];
+    #}
+    my @result = $xml_ref->{$element};
+    return \@result;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  add_content2xml_hash
+#   PARAMETERS:  xml_ref - ref - reference to a hash from function create_xml_hash
+#                element - string - key for the hash
+#                content - string - value for the hash
+#      RETURNS:  nothing
+#  DESCRIPTION:  add key-value pair to xml_ref, if key alread exists, 
+#                then append value to list
+#===============================================================================
+sub add_content2xml_hash {
+    my ($xml_ref, $element, $content) = @_;
+    if(not exists $$xml_ref{$element} ) {
+        $$xml_ref{$element} = [];
+    }
+    my $tmp = $$xml_ref{$element};
+    push(@$tmp, $content);
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_xml_string
+#   PARAMETERS:  xml_hash - hash - hash from function create_xml_hash
+#      RETURNS:  xml_string - string - xml string representation of the hash
+#  DESCRIPTION:  transform the hash to a string using XML::Simple module
+#===============================================================================
+sub create_xml_string {
+    my ($xml_hash) = @_ ;
+    my $xml_string = $xml->XMLout($xml_hash, RootName => 'xml');
+    #$xml_string =~ s/[\n]+//g;
+    #daemon_log("create_xml_string:",7);
+    #daemon_log("$xml_string\n", 7);
+    return $xml_string;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  encrypt_msg
+#   PARAMETERS:  msg - string - message to encrypt
+#                my_cipher - ref - reference to a Crypt::Rijndael object
+#      RETURNS:  crypted_msg - string - crypted message
+#  DESCRIPTION:  crypts the incoming message with the Crypt::Rijndael module
+#===============================================================================
+sub encrypt_msg {
+    my ($msg, $my_cipher) = @_;
+    if(not defined $my_cipher) { print "no cipher object\n"; }
+    $msg = "\0"x(16-length($msg)%16).$msg;
+    $msg = $my_cipher->encrypt($msg);
+    chomp($msg = &encode_base64($msg));
+    return $msg;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  decrypt_msg
+#   PARAMETERS:  crypted_msg - string - message to decrypt
+#                my_cipher - ref - reference to a Crypt::Rijndael object
+#      RETURNS:  msg - string - decrypted message
+#  DESCRIPTION:  decrypts the incoming message with the Crypt::Rijndael module
+#===============================================================================
+sub decrypt_msg {
+    my ($msg, $my_cipher) = @_ ;
+    if(defined $msg && defined $my_cipher) {
+        $msg = &decode_base64($msg);
+    }
+    $msg = $my_cipher->decrypt($msg); 
+    $msg =~ s/\0*//g;
+    return $msg;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  create_ciphering
+#   PARAMETERS:  passwd - string - used to create ciphering
+#      RETURNS:  cipher - object
+#  DESCRIPTION:  creates a Crypt::Rijndael::MODE_CBC object with passwd as key
+#===============================================================================
+sub create_ciphering {
+    my ($passwd) = @_;
+    $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
+    my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
+
+    #daemon_log("iv: $iv", 7);
+    #daemon_log("key: $passwd", 7);
+    my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
+    $my_cipher->set_iv($iv);
+    return $my_cipher;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  open_socket
+#   PARAMETERS:  PeerAddr string something like 192.168.1.1 or 192.168.1.1:10000
+#                [PeerPort] string necessary if port not appended by PeerAddr
+#      RETURNS:  socket IO::Socket::INET
+#  DESCRIPTION:  open a socket to PeerAddr
+#===============================================================================
+sub open_socket {
+    my ($PeerAddr, $PeerPort) = @_ ;
+    if(defined($PeerPort)){
+        $PeerAddr = $PeerAddr.":".$PeerPort;
+    }
+    my $socket;
+    $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
+            Porto => "tcp",
+            Type => SOCK_STREAM,
+            Timeout => 5,
+            );
+    if(not defined $socket) {
+        return;
+    }
+    &daemon_log("open_socket: $PeerAddr", 7);
+    return $socket;
+}
+
+
+sub get_time {
+    my ($seconds, $minutes, $hours, $monthday, $month,
+            $year, $weekday, $yearday, $sommertime) = localtime(time);
+    $hours = $hours < 10 ? $hours = "0".$hours : $hours;
+    $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
+    $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
+    $month+=1;
+    $month = $month < 10 ? $month = "0".$month : $month;
+    $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
+    $year+=1900;
+    return "$year$month$monthday$hours$minutes$seconds";
+
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME: send_msg
+#  DESCRIPTION: Send a message to a destination
+#   PARAMETERS: [header] Name of the header
+#               [from]   sender ip
+#               [to]     recipient ip
+#               [data]   Hash containing additional attributes for the xml
+#                        package
+#      RETURNS:  nothing
+#===============================================================================
+sub send_msg ($$$$$) {
+	my ($header, $from, $to, $data, $hostkey) = @_;
+
+	my $out_hash = &create_xml_hash($header, $from, $to);
+
+	while ( my ($key, $value) = each(%$data) ) {
+		if(ref($value) eq 'ARRAY'){
+			map(&add_content2xml_hash($out_hash, $key, $_), @$value);
+		} else {
+			&add_content2xml_hash($out_hash, $key, $value);
+		}
+	}
+
+	&send_msg_hash2address($out_hash, $to, $hostkey);
+}
+
+1;
diff --git a/gosa-si-poe/modules/ServerPackages.pm b/gosa-si-poe/modules/ServerPackages.pm
new file mode 100644
index 000000000..d20b66489
--- /dev/null
+++ b/gosa-si-poe/modules/ServerPackages.pm
@@ -0,0 +1,890 @@
+package ServerPackages;
+
+use Exporter;
+@ISA = ("Exporter");
+
+# Each module has to have a function 'process_incoming_msg'. This function works as a interface to gosa-sd and receives the msg hash from gosa-sd. 'process_incoming_function checks, wether it has a function to process the incoming msg and forward the msg to it. 
+
+
+use strict;
+use warnings;
+use GOSA::GosaSupportDaemon;
+use IO::Socket::INET;
+use XML::Simple;
+use Data::Dumper;
+use Net::LDAP;
+use Socket qw/PF_INET SOCK_DGRAM inet_ntoa sockaddr_in/;
+
+BEGIN{}
+END {}
+
+my ($known_clients_file_name);
+my ($server_activ, $server_ip, $server_mac_address, $server_port, $server_passwd, $max_clients, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password);
+my ($bus_activ, $bus_passwd, $bus_ip, $bus_port);
+my $server;
+my $network_interface;
+my $no_bus;
+my (@ldap_cfg, @pam_cfg, @nss_cfg, $goto_admin, $goto_secret);
+
+
+my %cfg_defaults =
+(
+"server" =>
+    {"server_activ" => [\$server_activ, "on"],
+    "server_ip" => [\$server_ip, "0.0.0.0"],
+    "server_mac_address" => [\$server_mac_address, ""],
+    "server_port" => [\$server_port, "20081"],
+    "server_passwd" => [\$server_passwd, ""],
+    "max_clients" => [\$max_clients, 100],
+    "ldap_uri" => [\$ldap_uri, ""],
+    "ldap_base" => [\$ldap_base, ""],
+    "ldap_admin_dn" => [\$ldap_admin_dn, ""],
+    "ldap_admin_password" => [\$ldap_admin_password, ""],
+    },
+"bus" =>
+    {"bus_activ" => [\$bus_activ, "on"],
+    "bus_passwd" => [\$bus_passwd, ""],
+    "bus_ip" => [\$bus_ip, ""],
+    "bus_port" => [\$bus_port, "20080"],
+    },
+);
+
+### START #####################################################################
+
+# read configfile and import variables
+&read_configfile();
+
+# detect interfaces and mac address
+$network_interface= &get_interface_for_ip($server_ip);
+$server_mac_address= &get_mac($network_interface); 
+
+&main::daemon_log("server ip address detected: $server_ip", 1);
+&main::daemon_log("server mac address detected: $server_mac_address", 1);
+
+# complete addresses
+my $server_address = "$server_ip:$server_port";
+my $bus_address = "$bus_ip:$bus_port";
+
+# create general settings for this module
+my $xml = new XML::Simple();
+
+## open server socket
+#if($server_activ eq "on"){
+#    &main::daemon_log(" ", 1);
+#    $server = IO::Socket::INET->new(LocalPort => $server_port,
+#            Type => SOCK_STREAM,
+#            Reuse => 1,
+#            Listen => 20,
+#            ); 
+#    if(not defined $server){
+#        &main::daemon_log("cannot be a tcp server at $server_port : $@");
+#        die;
+#    } else {
+#        &main::daemon_log("start server: $server_address", 1);
+#    }
+#}
+#
+#
+## register at bus
+#if ($main::no_bus > 0) {
+#    $bus_activ = "off"
+#}
+#if($bus_activ eq "on") {
+#    &main::daemon_log(" ", 1);
+#    &register_at_bus();
+#}
+
+### functions #################################################################
+
+
+sub get_module_info {
+    my @info = ($server_address,
+                $server_passwd,
+                $server,
+                $server_activ,
+                "socket",
+                );
+    return \@info;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  read_configfile
+#   PARAMETERS:  cfg_file - string -
+#      RETURNS:  nothing
+#  DESCRIPTION:  read cfg_file and set variables
+#===============================================================================
+sub read_configfile {
+    my $cfg;
+    if( defined( $main::cfg_file) && ( length($main::cfg_file) > 0 )) {
+        if( -r $main::cfg_file ) {
+            $cfg = Config::IniFiles->new( -file => $main::cfg_file );
+        } else {
+            print STDERR "Couldn't read config file!";
+        }
+    } else {
+        $cfg = Config::IniFiles->new() ;
+    }
+    foreach my $section (keys %cfg_defaults) {
+        foreach my $param (keys %{$cfg_defaults{ $section }}) {
+            my $pinfo = $cfg_defaults{ $section }{ $param };
+            ${@$pinfo[0]} = $cfg->val( $section, $param, @$pinfo[1] );
+        }
+    }
+
+    # Read non predefined sections
+    my $param;
+    if ($cfg->SectionExists('ldap')){
+		foreach $param ($cfg->Parameters('ldap')){
+			push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
+		}
+    }
+    if ($cfg->SectionExists('pam_ldap')){
+		foreach $param ($cfg->Parameters('pam_ldap')){
+			push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
+		}
+    }
+    if ($cfg->SectionExists('nss_ldap')){
+		foreach $param ($cfg->Parameters('nss_ldap')){
+			push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
+		}
+    }
+    if ($cfg->SectionExists('goto')){
+    	$goto_admin= $cfg->val('goto', 'terminal_admin');
+    	$goto_secret= $cfg->val('goto', 'terminal_secret');
+    } else {
+    	$goto_admin= undef;
+    	$goto_secret= undef;
+    }
+
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_interface_for_ip
+#   PARAMETERS:  ip address (i.e. 192.168.0.1)
+#      RETURNS:  array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
+#  DESCRIPTION:  Uses proc fs (/proc/net/dev) to get list of interfaces.
+#===============================================================================
+sub get_interface_for_ip {
+	my $result;
+	my $ip= shift;
+	if ($ip && length($ip) > 0) {
+		my @ifs= &get_interfaces();
+		if($ip eq "0.0.0.0") {
+			$result = "all";
+		} else {
+			foreach (@ifs) {
+				my $if=$_;
+				if(get_ip($if) eq $ip) {
+					$result = $if;
+				}
+			}	
+		}
+	}	
+	return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_interfaces 
+#   PARAMETERS:  none
+#      RETURNS:  (list of interfaces) 
+#  DESCRIPTION:  Uses proc fs (/proc/net/dev) to get list of interfaces.
+#===============================================================================
+sub get_interfaces {
+	my @result;
+	my $PROC_NET_DEV= ('/proc/net/dev');
+
+	open(PROC_NET_DEV, "<$PROC_NET_DEV")
+		or die "Could not open $PROC_NET_DEV";
+
+	my @ifs = <PROC_NET_DEV>;
+
+	close(PROC_NET_DEV);
+
+	# Eat first two line
+	shift @ifs;
+	shift @ifs;
+
+	chomp @ifs;
+	foreach my $line(@ifs) {
+		my $if= (split /:/, $line)[0];
+		$if =~ s/^\s+//;
+		push @result, $if;
+	}
+
+	return @result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_mac 
+#   PARAMETERS:  interface name (i.e. eth0)
+#      RETURNS:  (mac address) 
+#  DESCRIPTION:  Uses ioctl to get mac address directly from system.
+#===============================================================================
+sub get_mac {
+	my $ifreq= shift;
+	my $result;
+	if ($ifreq && length($ifreq) > 0) { 
+		if($ifreq eq "all") {
+			$result = "00:00:00:00:00:00";
+		} else {
+			my $SIOCGIFHWADDR= 0x8927;     # man 2 ioctl_list
+
+			# A configured MAC Address should always override a guessed value
+			if ($server_mac_address and length($server_mac_address) > 0) {
+				$result= $server_mac_address;
+			}
+
+			socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
+				or die "socket: $!";
+
+			if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
+				my ($if, $mac)= unpack 'h36 H12', $ifreq;
+
+				if (length($mac) > 0) {
+					$mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
+					$mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
+					$result = $mac;
+				}
+			}
+		}
+	}
+	return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  get_ip 
+#   PARAMETERS:  interface name (i.e. eth0)
+#      RETURNS:  (ip address) 
+#  DESCRIPTION:  Uses ioctl to get ip address directly from system.
+#===============================================================================
+sub get_ip {
+	my $ifreq= shift;
+	my $result= "";
+	my $SIOCGIFADDR= 0x8915;       # man 2 ioctl_list
+	my $proto= getprotobyname('ip');
+
+	socket SOCKET, PF_INET, SOCK_DGRAM, $proto
+		or die "socket: $!";
+
+	if(ioctl SOCKET, $SIOCGIFADDR, $ifreq) {
+		my ($if, $sin)    = unpack 'a16 a16', $ifreq;
+		my ($port, $addr) = sockaddr_in $sin;
+		my $ip            = inet_ntoa $addr;
+
+		if ($ip && length($ip) > 0) {
+			$result = $ip;
+		}
+	}
+
+	return $result;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  open_socket
+#   PARAMETERS:  PeerAddr string something like 192.168.1.1 or 192.168.1.1:10000
+#                [PeerPort] string necessary if port not appended by PeerAddr
+#      RETURNS:  socket IO::Socket::INET
+#  DESCRIPTION:  open a socket to PeerAddr
+#===============================================================================
+#sub open_socket {
+#    my ($PeerAddr, $PeerPort) = @_ ;
+#    if(defined($PeerPort)){
+#        $PeerAddr = $PeerAddr.":".$PeerPort;
+#    }
+#    my $socket;
+#    $socket = new IO::Socket::INET(PeerAddr => $PeerAddr ,
+#            Porto => "tcp" ,
+#            Type => SOCK_STREAM,
+#            Timeout => 5,
+#            );
+#    if(not defined $socket) {
+#        return;
+#    }
+#    &main::daemon_log("open_socket to: $PeerAddr", 7);
+#    return $socket;
+#}
+
+#===  FUNCTION  ================================================================
+#         NAME:  register_at_bus
+#   PARAMETERS:  nothing
+#      RETURNS:  nothing
+#  DESCRIPTION:  creates an entry in known_daemons and send a 'here_i_am' msg to bus
+#===============================================================================
+sub register_at_bus {
+
+    # add bus to known_server_db
+    my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
+                                                    primkey=>'hostname',
+                                                    hostname=>$bus_address,
+                                                    status=>'bus',
+                                                    hostkey=>$bus_passwd,
+                                                    timestamp=>&get_time,
+                                                } );
+    my $msg_hash = &create_xml_hash("here_i_am", $server_address, $bus_address);
+    my $answer = "";
+    $answer = &send_msg_hash2address($msg_hash, $bus_address, $bus_passwd);
+    if ($answer == 0) {
+        &main::daemon_log("register at bus: $bus_address", 1);
+    } else {
+        &main::daemon_log("unable to send 'register'-msg to bus '$bus_address': $answer", 1);
+    }
+    return;
+}
+
+#===  FUNCTION  ================================================================
+#         NAME:  process_incoming_msg
+#   PARAMETERS:  crypted_msg - string - incoming crypted message
+#      RETURNS:  nothing
+#  DESCRIPTION:  handels the proceeded distribution to the appropriated functions
+#===============================================================================
+sub process_incoming_msg {
+    my ($crypted_msg) = @_ ;
+    if(not defined $crypted_msg) {
+        &main::daemon_log("function 'process_incoming_msg': got no msg", 7);
+    }
+
+    &main::daemon_log("ServerPackages: incoming msg: \n$crypted_msg", 8);
+
+    $crypted_msg =~ /^([\s\S]*?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)$/;
+    $crypted_msg = $1;
+	my $host="0.0.0.0";
+	if($1 && $2 && $3 && $4) {
+		$host = sprintf("%s.%s.%s.%s", $2, $3, $4, $5);
+	}
+
+    my $msg;
+    my $msg_hash;
+    my $host_name;
+    my $host_key;
+
+#    # check wether incoming msg is a new msg
+    $host_name = $server_address;
+    $host_key = $server_passwd;
+    &main::daemon_log("ServerPackage: host_name: $host_name", 7);
+    &main::daemon_log("ServerPackage: host_key: $host_key", 7);
+    eval{
+        my $key_cipher = &create_ciphering($host_key);
+		$msg = &decrypt_msg($crypted_msg, $key_cipher);
+        $msg_hash = &transform_msg2hash($msg);
+    };
+    if($@) {
+        &main::daemon_log("ServerPackage: deciphering raise error", 7);
+        &main::daemon_log("$@", 8);
+        $msg = undef;
+        $msg_hash = undef;
+        $host_name = undef;
+        $host_key = undef;
+    } 
+
+#    # check wether incoming msg is from a known_server
+#    if( not defined $msg ) {
+#        my $query_res = $main::known_server_db->select_dbentry( {table=>'known_server'} ); 
+#        while( my ($hit_num, $hit) = each %{ $query_res } ) {  
+#            $host_name = $hit->{hostname};
+#            if( not $host_name =~ "^$host") {
+#                next;
+#            }
+#            $host_key = $hit->{hostkey};
+#            &main::daemon_log("ServerPackage: host_name: $host_name", 7);
+#            &main::daemon_log("ServerPackage: host_key: $host_key", 7);
+#            eval{
+#                my $key_cipher = &create_ciphering($host_key);
+#                $msg = &decrypt_msg($crypted_msg, $key_cipher);
+#                $msg_hash = &transform_msg2hash($msg);
+#            };
+#            if($@) {
+#                &main::daemon_log("ServerPackage: deciphering raise error", 7);
+#                &main::daemon_log("$@", 8);
+#                $msg = undef;
+#                $msg_hash = undef;
+#                $host_name = undef;
+#                $host_key = undef;
+#            } else {
+#                last;
+#            }
+#        }
+#    }
+
+    # check wether incoming msg is from a known_client
+    if( not defined $msg ) {
+        my $query_res = $main::known_clients_db->select_dbentry( {table=>'known_clients'} ); 
+        while( my ($hit_num, $hit) = each %{ $query_res } ) {    
+            $host_name = $hit->{hostname};
+            if( not $host_name =~ "^$host") {
+                next;
+            }
+            $host_key = $hit->{hostkey};
+            &main::daemon_log("ServerPackage: host_name: $host_name", 7);
+            &main::daemon_log("ServerPackage: host_key: $host_key", 7);
+            eval{
+                my $key_cipher = &create_ciphering($host_key);
+                $msg = &decrypt_msg($crypted_msg, $key_cipher);
+                $msg_hash = &transform_msg2hash($msg);
+            };
+            if($@) {
+                &main::daemon_log("ServerPackage: deciphering raise error", 7);
+                &main::daemon_log("$@", 8);
+                $msg = undef;
+                $msg_hash = undef;
+                $host_name = undef;
+                $host_key = undef;
+            } else {
+                last;
+            }
+        }
+    }
+
+    if( not defined $msg ) {
+        &main::daemon_log("WARNING: ServerPackage do not understand the message:", 5);
+        &main::daemon_log("$@", 7);
+        return;
+    }
+
+    # process incoming msg
+    my $header = @{$msg_hash->{header}}[0]; 
+    my $source = @{$msg_hash->{source}}[0];
+
+#    &main::daemon_log("recieve '$header' at ServerPackages from $host", 1);
+    &main::daemon_log("ServerPackages: msg to process: \n$msg", 5);
+
+#    my @targets = @{$msg_hash->{target}};
+#    my $len_targets = @targets;
+#    if ($len_targets == 0){     
+#        &main::daemon_log("ERROR: ServerPackages: no target specified for msg $header", 1);
+#
+#    }  elsif ($len_targets == 1){
+#        # we have only one target symbol
+#        my $target = $targets[0];
+#        &main::daemon_log("SeverPackages: msg is for: $target", 7);
+#
+#        # msg is for server
+#        if ($header eq 'new_passwd'){ &new_passwd($msg_hash)}
+#        elsif ($header eq 'here_i_am') { &here_i_am($msg_hash)}
+#        elsif ($header eq 'who_has') { &who_has($msg_hash) }
+#        elsif ($header eq 'who_has_i_do') { &who_has_i_do($msg_hash)}
+#        elsif ($header eq 'update_status') { &update_status($msg_hash) }
+#        elsif ($header eq 'got_ping') { &got_ping($msg_hash)}
+#        elsif ($header eq 'get_load') { &execute_actions($msg_hash)}
+#        else { 
+#            if ($target eq "*") {
+#                # msg is for all clients
+#                my $query_res = $main::known_clients_db->select_dbentry( {table=>'known_clients'} ); 
+#                while( my ($hit_num, $hit) = each %{ $query_res } ) {    
+#                    $host_name = $hit->{hostname};
+#                    $host_key = $hit->{hostkey};
+#                    $msg_hash->{target} = [$host_name];
+#                    &send_msg_hash2address($msg_hash, $host_name, $host_key);
+#                }
+#
+#            } else {
+#                # msg is for one host
+#                my $host_key;
+#
+#
+#                if( not defined $host_key ) {
+#                    my $query_res = $main::known_clients_db->select_dbentry( {table=>'known_clients', hostname=>$target} );
+#                    if( 1 == keys %{$query_res} ) {
+#                        $host_key = $query_res->{1}->{host_key};
+#                    }
+#                } 
+#
+#                if( not defined $host_key ) {
+#                    my $query_res = $main::known_server_db->select_dbentry( {table=>'known_server', hostname=>$target} );
+#                    if( 1 == keys %{$query_res} ) {
+#                        $host_key = $query_res->{1}->{host_key};
+#                    }
+#                }
+#
+#                if( not defined $host_key ) { 
+#                    &main::daemon_log("ERROR: ServerPackages: target '".$target.
+#                            "' is not known neither in known_clients nor in known_server",1);
+#                } else {
+#                    &send_msg_hash2address($msg_hash, $target, $host_key);
+#                }               
+#            }
+#        }
+#
+#    } elsif ($len_targets > 1 ) {
+#        # we have more than one target 
+#        # TODO to be implemented
+#    }
+
+    return ;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  got_ping
+#   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
+#      RETURNS:  nothing
+#  DESCRIPTION:  process this incoming message
+#===============================================================================
+sub got_ping {
+    my ($msg_hash) = @_;
+    
+    my $source = @{$msg_hash->{source}}[0];
+    my $target = @{$msg_hash->{target}}[0];
+    my $header = @{$msg_hash->{header}}[0];
+    
+    if(exists $main::known_daemons->{$source}) {
+        &main::add_content2known_daemons(hostname=>$source, status=>$header);
+    } else {
+        &main::add_content2known_clients(hostname=>$source, status=>$header);
+    }
+    
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  new_passwd
+#   PARAMETERS:  msg_hash - ref - hash from function create_xml_hash
+#      RETURNS:  nothing
+#  DESCRIPTION:  process this incoming message
+#===============================================================================
+sub new_passwd {
+    my ($msg_hash) = @_;
+
+    my $header = @{$msg_hash->{header}}[0];
+    my $source_name = @{$msg_hash->{source}}[0];
+    my $source_key = @{$msg_hash->{new_passwd}}[0];
+    my $query_res;
+
+    # check known_clients_db
+    $query_res = $main::known_clients_db->select_dbentry( {table=>'known_clients', hostname=>$source_name} );
+    if( 1 == keys %{$query_res} ) {
+        my $update_hash = { table=>'known_clients' };
+        $update_hash->{where} = [ { hostname=>[$source_name] } ];
+        $update_hash->{update} = [ {
+            hostkey=>[$source_key],
+            timestamp=>[&get_time],
+        } ];
+        my $res = $main::known_clients_db->update_dbentry( $update_hash );
+
+        my $hash = &create_xml_hash("confirm_new_passwd", $server_address, $source_name);
+        &send_msg_hash2address($hash, $source_name, $source_key);
+        return;
+    }
+
+    # check known_server_db
+    $query_res = $main::known_server_db->select_dbentry( {table=>'known_server', hostname=>$source_name } );
+    if( 1 == keys %{$query_res} ) {
+        my $update_hash = { table=>'known_server' };
+        $update_hash->{where} = [ { hostname=>[$source_name] } ];
+        $update_hash->{update} = [ {
+            hostkey=>[$source_key],
+                timestamp=>[&get_time],
+        } ];
+        my $res = $main::known_server_db->update_dbentry( $update_hash );
+
+        my $hash = &create_xml_hash("confirm_new_passwd", $server_address, $source_name);
+        &send_msg_hash2address($hash, $source_name, $source_key);
+        return;
+    }
+
+    &main::daemon_log("ERROR: $source_name not known for '$header'-msg", 1);
+    return;
+}
+
+
+sub send_msg_hash {
+    my ($hash, $host_name, $host_key);
+
+    
+    my $answer = &send_msg_hash2address($hash, $host_name, $host_key);
+    
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  here_i_am
+#   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
+#      RETURNS:  nothing
+#  DESCRIPTION:  process this incoming message
+#===============================================================================
+sub here_i_am {
+    my ($msg_hash) = @_;
+
+    my $source = @{$msg_hash->{source}}[0];
+    my $mac_address = @{$msg_hash->{mac_address}}[0];
+    my $out_hash;
+
+    # number of known clients
+    my $nu_clients = keys %{ $main::known_clients_db->select_dbentry( {table=>'known_clients'} ) };
+
+    # check wether client address or mac address is already known
+    if (exists $main::known_clients->{$source}) {
+        &main::daemon_log("WARNING: $source is already known as a client", 1);
+        &main::daemon_log("WARNING: values for $source are being overwritten", 1);   
+        $nu_clients --;
+    }
+
+    # number of actual activ clients
+    my $act_nu_clients = $nu_clients;
+
+    &main::daemon_log("number of actual activ clients: $act_nu_clients", 5);
+    &main::daemon_log("number of maximal allowed clients: $max_clients", 5);
+
+    if($max_clients <= $act_nu_clients) {
+        my $out_hash = &create_xml_hash("denied", $server_address, $source);
+        &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
+        my $passwd = @{$msg_hash->{new_passwd}}[0]; 
+        &send_msg_hash2address($out_hash, $source, $passwd);
+        return;
+    }
+    
+    # new client accepted
+    my $new_passwd = @{$msg_hash->{new_passwd}}[0];
+
+    # create entry in known_clients
+    my $events = @{$msg_hash->{events}}[0];
+    
+    # add entry to known_clients_db
+    my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients', 
+                                                primkey=>'hostname',
+                                                hostname=>$source,
+                                                events=>$events,
+                                                macaddress=>$mac_address,
+                                                status=>'registered',
+                                                hostkey=>$new_passwd,
+                                                timestamp=>&get_time,
+                                                } );
+
+    if ($res != 0)  {
+        &main::daemon_log("ERROR: cannot add entry to known_clients: $res");
+        return;
+    }
+    
+    # return acknowledgement to client
+    $out_hash = &create_xml_hash("registered", $server_address, $source);
+    &send_msg_hash2address($out_hash, $source, $new_passwd);
+
+    # notify registered client to bus
+    if( $bus_activ eq "on") {
+        # fetch actual bus key
+        my $query_res = $main::known_server_db->select_dbentry( {table=>'known_server'} );
+        my $hostkey = $query_res->{1}->{hostkey};
+        
+        # send update msg to bus
+        $out_hash = &create_xml_hash("new_client", $server_address, $bus_address, $source);
+        &send_msg_hash2address($out_hash, $bus_address, $hostkey);
+        
+        &main::daemon_log("send bus msg that client '$source' has registerd at server '$server_address'", 3);
+    }
+
+    # give the new client his ldap config
+    &new_ldap_config($source);
+
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  who_has
+#   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
+#      RETURNS:  nothing 
+#  DESCRIPTION:  process this incoming message
+#===============================================================================
+sub who_has {
+    my ($msg_hash) = @_ ;
+    
+    # what is your search pattern
+    my $search_pattern = @{$msg_hash->{who_has}}[0];
+    my $search_element = @{$msg_hash->{$search_pattern}}[0];
+    &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
+
+    # scanning known_clients for search_pattern
+    my @host_addresses = keys %$main::known_clients;
+    my $known_clients_entries = length @host_addresses;
+    my $host_address;
+    foreach my $host (@host_addresses) {
+        my $client_element = $main::known_clients->{$host}->{$search_pattern};
+        if ($search_element eq $client_element) {
+            $host_address = $host;
+            last;
+        }
+    }
+        
+    # search was successful
+    if (defined $host_address) {
+        my $source = @{$msg_hash->{source}}[0];
+        my $out_msg = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
+        &add_content2xml_hash($out_msg, "mac_address", $search_element);
+        &send_msg_hash2address($out_msg, $bus_address);
+    }
+    return;
+}
+
+
+sub who_has_i_do {
+    my ($msg_hash) = @_ ;
+    my $header = @{$msg_hash->{header}}[0];
+    my $source = @{$msg_hash->{source}}[0];
+    my $search_param = @{$msg_hash->{$header}}[0];
+    my $search_value = @{$msg_hash->{$search_param}}[0];
+    print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  new_ldap_config
+#   PARAMETERS:  address - string - ip address and port of a host
+#      RETURNS:  nothing
+#  DESCRIPTION:  send to address the ldap configuration found for dn gotoLdapServer
+#===============================================================================
+sub new_ldap_config {
+    my ($address) = @_ ;
+    
+    my $res = $main::known_clients_db->select_dbentry( { table=>'known_clients', hostname=>$address } );
+
+    # check hit
+    my $hit_counter = keys %{$res};
+    if( not $hit_counter == 1 ) {
+        &main::daemon_log("ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
+    }
+
+    my $macaddress = $res->{1}->{macaddress};
+    my $hostkey = $res->{1}->{hostkey};
+
+    if (not defined $macaddress) {
+        &main::daemon_log("ERROR: no mac address found for client $address", 1);
+        return;
+    }
+
+    # Build LDAP connection
+    my $ldap = Net::LDAP->new($ldap_uri);
+    if( not defined $ldap ) {
+        &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
+        return;
+    } 
+
+
+    # Bind to a directory with dn and password
+    my $mesg= $ldap->bind($ldap_admin_dn, $ldap_admin_password);
+
+    # Perform search
+    $mesg = $ldap->search( base   => $ldap_base,
+		    scope  => 'sub',
+		    attrs => ['dn', 'gotoLdapServer'],
+		    filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
+    $mesg->code && die $mesg->error;
+
+    # Sanity check
+    if ($mesg->count != 1) {
+	    &main::daemon_log("WARNING: client mac address $macaddress not found/not unique in ldap search", 1);
+        &main::daemon_log("\tbase: $ldap_base", 1);
+        &main::daemon_log("\tscope: sub", 1);
+        &main::daemon_log("\tattrs: dn, gotoLdapServer", 1);
+        &main::daemon_log("\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
+	    return;
+    }
+
+    my $entry= $mesg->entry(0);
+    my $dn= $entry->dn;
+    my @servers= $entry->get_value("gotoLdapServer");
+    my @ldap_uris;
+    my $server;
+    my $base;
+
+    # Do we need to look at an object class?
+    if ($#servers < 1){
+	    $mesg = $ldap->search( base   => $ldap_base,
+			    scope  => 'sub',
+			    attrs => ['dn', 'gotoLdapServer'],
+			    filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
+	    $mesg->code && die $mesg->error;
+
+            # Sanity check
+	    if ($mesg->count != 1) {
+		    &main::daemon_log("WARNING: no LDAP information found for client mac $macaddress", 1);
+		    return;
+	    }
+
+	    $entry= $mesg->entry(0);
+	    $dn= $entry->dn;
+	    @servers= $entry->get_value("gotoLdapServer");
+    }
+
+    @servers= sort (@servers);
+
+    foreach $server (@servers){
+	    $base= $server;
+	    $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
+	    $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
+	    push (@ldap_uris, $server);
+    }
+
+    # Unbind
+    $mesg = $ldap->unbind;
+
+    # Assemble data package
+    my %data = ( 'ldap_uri'  => \@ldap_uris, 'ldap_base' => $base,
+	             'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
+
+    # Need to append GOto settings?
+    if (defined $goto_admin and defined $goto_secret){
+	    $data{'goto_admin'}= $goto_admin;
+	    $data{'goto_secret'}= $goto_secret;
+    }
+
+    # Send information
+    send_msg("new_ldap_config", $server_address, $address, \%data, $hostkey);
+
+    return;
+}
+
+
+#===  FUNCTION  ================================================================
+#         NAME:  execute_actions
+#   PARAMETERS:  msg_hash - hash - hash from function create_xml_hash
+#      RETURNS:  nothing
+#  DESCRIPTION:  invokes the script specified in msg_hash which is located under
+#                /etc/gosad/actions
+#===============================================================================
+sub execute_actions {
+    my ($msg_hash) = @_ ;
+    my $configdir= '/etc/gosad/actions/';
+    my $result;
+
+    my $header = @{$msg_hash->{header}}[0];
+    my $source = @{$msg_hash->{source}}[0];
+    my $target = @{$msg_hash->{target}}[0];
+ 
+    if((not defined $source)
+            && (not defined $target)
+            && (not defined $header)) {
+        &main::daemon_log("ERROR: Entries missing in XML msg for gosad actions under /etc/gosad/actions");
+    } else {
+        my $parameters="";
+        my @params = @{$msg_hash->{$header}};
+        my $params = join(", ", @params);
+        &main::daemon_log("execute_actions: got parameters: $params", 5);
+
+        if (@params) {
+            foreach my $param (@params) {
+                my $param_value = (&get_content_from_xml_hash($msg_hash, $param))[0];
+                &main::daemon_log("execute_actions: parameter -> value: $param -> $param_value", 7);
+                $parameters.= " ".$param_value;
+            }
+        }
+
+        my $cmd= $configdir.$header."$parameters";
+        &main::daemon_log("execute_actions: executing cmd: $cmd", 7);
+        $result= "";
+        open(PIPE, "$cmd 2>&1 |");
+        while(<PIPE>) {
+            $result.=$_;
+        }
+        close(PIPE);
+    }
+
+    # process the event result
+
+
+    return;
+}
+
+
+1;
diff --git a/gosa-si-poe/modules/TestModule.pm b/gosa-si-poe/modules/TestModule.pm
new file mode 100644
index 000000000..90c8d6abb
--- /dev/null
+++ b/gosa-si-poe/modules/TestModule.pm
@@ -0,0 +1,76 @@
+package TestModule;
+
+use Exporter;
+@ISA = ("Exporter");
+
+use strict;
+use warnings;
+use GosaSupportDaemon;
+
+BEGIN{
+}
+
+END{}
+
+### START ##########
+
+
+sub get_module_tags {
+    
+    # lese config file aus dort gibt es eine section Basic
+    # dort stehen drei packettypen, für die sich das modul anmelden kann, gosa-admin-packages, 
+    #   server-packages, client-packages
+    my %tag_hash = (gosa_admin_packages => "yes", 
+                    server_packages => "yes", 
+                    client_packages => "yes",
+                    );
+    return \%tag_hash;
+}
+
+
+sub process_incoming_msg {
+    my ($crypted_msg) = @_ ;
+    if(not defined $crypted_msg) {
+        &main::daemon_log("function 'process_incoming_msg': got no msg", 7);
+    }
+    &main::daemon_log("TestModule: crypted_msg:$crypted_msg", 7);
+    &main::daemon_log("TestModule: crypted_msg len:".length($crypted_msg), 7);
+
+
+    # chomp address from host who send the message
+    $crypted_msg =~ /^([\s\S]*?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)$/;
+    $crypted_msg = $1;
+    my $host = sprintf("%s.%s.%s.%s", $2, $3, $4, $5);
+
+    my $gosa_passwd = $main::gosa_passwd;
+    my $gosa_cipher = &create_ciphering($gosa_passwd);    
+
+    my $in_msg;
+    my $in_hash;
+    eval{
+        $in_msg = &decrypt_msg($crypted_msg, $gosa_cipher);
+        $in_hash = &transform_msg2hash($in_msg);
+    };
+    if ($@) {
+        &main::daemon_log("TestModul konnte msg nicht entschlüsseln:", 5);
+        &main::daemon_log("$@", 7);
+        return;
+    }
+
+    my $header = @{$in_hash->{header}}[0];
+    my $ip_address = @{$in_hash->{target}}[0];
+
+
+    # hier kommt die logik suche den entsprechenden daemon, der den client target hat
+
+    my $out_hash = &create_xml_hash("halt", $main::server_address, $ip_address);
+
+    &send_msg_hash2address($out_hash, $ip_address);
+
+    &main::daemon_log("TestModul: ip $ip_address bekommt $header ");
+    return ;
+}
+
+
+
+
diff --git a/gosa-si-poe/server.conf b/gosa-si-poe/server.conf
new file mode 100644
index 000000000..3386c00a6
--- /dev/null
+++ b/gosa-si-poe/server.conf
@@ -0,0 +1,32 @@
+[general]
+log_file = /var/log/gosa-si-server.log
+pid_file = /var/run/gosa-si-server.pid
+child_max = 10
+child_min = 2
+child_timeout = 10
+job_queue_timeout = 5
+
+[bus]
+bus_activ = on
+bus_passwd = secret-bus-password
+bus_ip = 127.0.0.1
+bus_port = 20080
+
+[server]
+server_activ = on
+server_port = 20081
+server_passwd = secret-server-password
+max_clients = 5
+server_event_dir = /usr/lib/gosa-si/server/events
+
+[arp]
+arp_activ = off
+arp_fifo_path = /var/run/gosa-si/arp-notify
+
+[gosa]
+gosa_activ = on
+gosa_ip = 127.0.0.1
+gosa_port = 20082
+gosa_passwd = secret-gosa-password
+gosa_timeout = 5                   
+
diff --git a/gosa-si-poe/server/events/ping b/gosa-si-poe/server/events/ping
new file mode 100755
index 000000000..f8ae99606
--- /dev/null
+++ b/gosa-si-poe/server/events/ping
@@ -0,0 +1,26 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use GosaSupportDaemon;
+
+
+# transform msg to hash
+my $hash = &transform_msg2hash($ARGV[0]);
+
+# extract from hash all what you need
+my $header = @{$hash->{header}}[0];
+my $source = @{$hash->{source}}[0];
+my $target = @{$hash->{target}}[0];
+my $jobdb_id = @{$hash->{jobdb_id}}[0];
+
+# and do what ever you want
+
+
+my $out_hash = &create_xml_hash("got_ping", "10.89.1.155:10001", "10.89.1.155:10000");
+if (defined $jobdb_id) {
+    &add_content2xml_hash($out_hash, 'jobdb_id', $jobdb_id);
+}
+my $out_xml = &create_xml_string($out_hash);
+print $out_xml;
+
diff --git a/gosa-si-poe/tests/client.php b/gosa-si-poe/tests/client.php
new file mode 100755
index 000000000..8c715148d
--- /dev/null
+++ b/gosa-si-poe/tests/client.php
@@ -0,0 +1,43 @@
+#!/usr/bin/php5 -q
+<?php
+
+require_once("../../gosa-core/include/class_socketClient.inc");
+error_reporting(E_ALL);
+
+$sock = new Socket_Client("127.0.0.1","20082",TRUE,1);
+#$sock = new Socket_Client("169.254.2.248","9999",TRUE,1);
+$sock->setEncryptionKey("secret-gosa-password");
+
+if($sock->connected()){
+	/* Prepare a hunge bunch of data to be send */
+
+# add
+#$data = "<xml><header>gosa_ping</header><source>10.89.1.155:20082</source><target>10.89.1.155:20080</target></xml>";
+# $data = "<xml> <header>job_ping</header> <source>10.89.1.155:20083</source><mac>00:1B:77:04:8A:6C</mac> <timestamp>19700101000000</timestamp> </xml>";
+# $data = "<xml> <header>job_sayHello</header> <source>10.89.1.155:20083</source><mac>00:1B:77:04:8A:6C</mac> <timestamp>20130102133900</timestamp> </xml>";
+# $data = "<xml> <header>job_ping</header> <source>10.89.1.155:20083</source><mac>00:1B:77:04:8A:6C</mac> <timestamp>20130102133900</timestamp> </xml>";
+
+# delete
+	#$data = "<xml> <header>gosa_delete_jobdb_entry</header> <where>headertag</where> <headertag>sayHello</headertag> </xml>";
+
+# update  
+	#$data = "<xml> <header>gosa_update_status_jobdb_entry</header> <where> <status>waiting</status> </where> <update> <status>processing</status> </update></xml>";
+	#$data = "<xml> <header>gosa_update_status_jobdb_entry</header> <update> <status>waiting</status> </update></xml>";
+	#$data = "<xml> <header>gosa_update_timestamp_jobdb_entry</header> <update> <timestamp>20130123456789</timestamp> </update></xml>";
+
+# query
+$data = "<xml><header>gosa_query_jobdb</header><where>status</where><status>error</status></xml>";
+	
+# clear
+	#$data = "<xml> <header>gosa_clear_jobdb</header> </xml>";
+
+    $sock->write($data);
+    $answer = "nothing";
+	$answer = $sock->read();
+    echo ">>>$answer<<<\n";
+	$sock->close();	
+}else{
+	echo "... FAILED!\n";
+}
+
+?>
diff --git a/gosa-si-poe/tests/sqlite-check.pl b/gosa-si-poe/tests/sqlite-check.pl
new file mode 100755
index 000000000..63f2ac6d8
--- /dev/null
+++ b/gosa-si-poe/tests/sqlite-check.pl
@@ -0,0 +1,95 @@
+#!/usr/bin/perl 
+#===============================================================================
+#
+#         FILE:  DBD-SQlite.pl
+#
+#        USAGE:  ./DBD-SQlite.pl 
+#
+#  DESCRIPTION:  
+#
+#      OPTIONS:  ---
+# REQUIREMENTS:  ---
+#         BUGS:  ---
+#        NOTES:  ---
+#       AUTHOR:   (), <>
+#      COMPANY:  
+#      VERSION:  1.0
+#      CREATED:  20.12.2007 08:54:52 CET
+#     REVISION:  ---
+#===============================================================================
+
+use strict;
+use warnings;
+use GOSA::DBsqlite;
+
+
+print "START\n";
+my $res;
+my $db_name;
+
+$db_name = "/var/lib/gosa-si/jobs.db";
+if (-e $db_name) {
+    print "\n############################################################\n";
+    $db_name =~ /\/([^\/]*?)\.db$/;
+    my $table_name = $1;
+    print "$db_name\n";
+    print "$table_name\n";
+    my $sqlite = GOSA::DBsqlite->new($db_name);
+    my $col_names = $sqlite->get_table_columns($table_name);
+    print join(', ', @{ $col_names } )."\n" ;
+    my $answer = $sqlite->show_table($table_name);
+    print $answer."\n";
+}
+
+
+$db_name = "/var/lib/gosa-si/known_clients.db";
+if (-e $db_name) {
+    print "\n############################################################\n";
+    $db_name =~ /\/([^\/]*?)\.db$/;
+    my $table_name = $1;
+
+    print "$db_name\n";
+    print "$table_name\n";
+
+    my $sqlite = GOSA::DBsqlite->new($db_name);
+    my $col_names = $sqlite->get_table_columns($table_name);
+    print join(', ', @{ $col_names } )."\n" ;
+    my $answer = $sqlite->show_table($table_name);
+    print $answer."\n";
+}
+
+
+$db_name = "/var/lib/gosa-si/known_server.db";
+if (-e $db_name) {
+    print "\n############################################################\n";
+    $db_name =~ /\/([^\/]*?)\.db$/;
+    my $table_name = $1;
+
+    print "$db_name\n";
+    print "$table_name\n";
+
+    my $sqlite = GOSA::DBsqlite->new($db_name);
+    my $col_names = $sqlite->get_table_columns($table_name);
+    print join(', ', @{ $col_names } )."\n" ;
+    my $answer = $sqlite->show_table($table_name);
+    print $answer."\n";
+}
+
+
+$db_name = "/var/lib/gosa-si/bus_known_server.db";
+if (-e $db_name) {
+    print "\n############################################################\n";
+    $db_name =~ /\/([^\/]*?)\.db$/;
+    my $table_name = $1;
+    print "$db_name\n";
+    print "$table_name\n";
+    my $sqlite = GOSA::DBsqlite->new($db_name);
+    my $col_names = $sqlite->get_table_columns($table_name);
+    print join(', ', @{ $col_names } )."\n" ;
+    my $answer = $sqlite->show_table($table_name);
+    print $answer."\n";
+}
+
+
+
+print "\nFINISH\n";
diff --git a/gosa-si-poe/tests/testGOsa.pl b/gosa-si-poe/tests/testGOsa.pl
new file mode 100644
index 000000000..9ecb8f385
--- /dev/null
+++ b/gosa-si-poe/tests/testGOsa.pl
@@ -0,0 +1,107 @@
+#!/usr/bin/perl 
+#===============================================================================
+#
+#         FILE:  testGosa.pl
+#
+#        USAGE:  ./testGosa.pl 
+#
+#  DESCRIPTION:  
+#
+#      OPTIONS:  ---
+# REQUIREMENTS:  ---
+#         BUGS:  ---
+#        NOTES:  ---
+#       AUTHOR:   (), <>
+#      COMPANY:  
+#      VERSION:  1.0
+#      CREATED:  06.12.2007 14:31:37 CET
+#     REVISION:  ---
+#===============================================================================
+
+use strict;
+use warnings;
+use IO::Socket::INET;
+use Digest::MD5  qw(md5 md5_hex md5_base64);
+use Crypt::Rijndael;
+use MIME::Base64;
+
+sub create_ciphering {
+    my ($passwd) = @_;
+
+    $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
+    my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
+    print "iv: $iv\n";
+    print "key: $passwd\n";
+
+    my $my_cipher = Crypt::Rijndael->new($passwd ,Crypt::Rijndael::MODE_CBC() );
+    $my_cipher->set_iv($iv);
+    return $my_cipher;
+}
+
+sub decrypt_msg {
+    my ($crypted_msg, $my_cipher) = @_ ;
+    $crypted_msg = &decode_base64($crypted_msg);
+    my $msg = $my_cipher->decrypt($crypted_msg); 
+    return $msg;
+}
+
+sub encrypt_msg {
+    my ($msg, $my_cipher) = @_;
+    if(not defined $my_cipher) { print "no cipher object\n"; }
+    $msg = "\0"x(16-length($msg)%16).$msg;
+    my $crypted_msg = $my_cipher->encrypt($msg);
+    chomp($crypted_msg = &encode_base64($crypted_msg));
+    return $crypted_msg;
+}
+
+
+
+my $gosa_server = IO::Socket::INET->new(LocalPort => "9999",
+        Type => SOCK_STREAM,
+        Reuse => 1,
+        Listen => 1,
+        );
+
+
+
+
+
+my $client = $gosa_server->accept();
+my $other_end = getpeername($client);
+if(not defined $other_end) {
+    print "client cannot be identified:";
+} else {
+    my ($port, $iaddr) = unpack_sockaddr_in($other_end);
+    my $actual_ip = inet_ntoa($iaddr);
+    print "accept client at gosa socket from $actual_ip\n";
+    chomp(my $crypted_msg = <$client>);
+    print "crypted msg: <<<$crypted_msg<<<\n";
+
+    my $cipher = &create_ciphering("ferdinand_frost");
+
+    my $msg = &decrypt_msg($crypted_msg, $cipher);
+    print "msg: <<<$msg<<<\n";
+
+    print "\n#################################\n\n";
+
+    my $answer = "gosa answer: $msg";
+
+    print "answer: $answer\n";
+    
+    my $out_cipher = &create_ciphering("ferdinand_frost");
+    my $crypted_answer = &encrypt_msg($answer, $out_cipher);
+    
+    print $client $crypted_answer."\n";
+
+}
+
+sleep(3);
+close($client);
+
+
+
+
+
+
+
+