X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=gosa-si%2Fmodules%2FArpHandler.pm;h=ee7cdd5b6c21b04ef293472ea941323ac43d4007;hb=1c5217802f25d818f90c1679b712807a4bb21c43;hp=c3875a14439e3cf3e4b75264c07831f4994b2778;hpb=d3130b1d30aef213d279f35dca57ff7208fd69f2;p=gosa.git

diff --git a/gosa-si/modules/ArpHandler.pm b/gosa-si/modules/ArpHandler.pm
index c3875a144..ee7cdd5b6 100644
--- a/gosa-si/modules/ArpHandler.pm
+++ b/gosa-si/modules/ArpHandler.pm
@@ -6,8 +6,6 @@ use Exporter;
 use strict;
 use warnings;
 use GOSA::GosaSupportDaemon;
-use Getopt::Long;
-use Config::IniFiles;
 use POSIX;
 use Fcntl;
 use Net::LDAP;
@@ -16,62 +14,64 @@ use Net::LDAP::Entry;
 use Net::DNS;
 use Switch;
 use Data::Dumper;
-use POE qw(Component::Pcap Component::ArpWatch);
 
-BEGIN{}
+# Don't start if some of the modules are missing
+my $start_service=1;
+BEGIN{
+	unless(eval('use Socket qw(PF_INET SOCK_DGRAM inet_ntoa sockaddr_in)')) {
+		$start_service=0;
+	}
+	unless(eval('use POE qw(Component::Pcap Component::ArpWatch)')) {
+		$start_service=0;
+	}
+}
+
 END{}
 
-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, $ldap_base) ;
+my ($arp_activ, $arp_interface, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password);
 my $hosts_database={};
 my $resolver=Net::DNS::Resolver->new;
+my $ldap;
+
+my %cfg_defaults =
+(
+	"arp" => {
+		"arp_activ"           => [\$arp_activ,         "on"],
+		"arp_interface"       => [\$arp_interface,    "all"],
+	},
+	"server" => {
+		"ldap_uri"            => [\$ldap_uri,            ""],
+		"ldap_base"           => [\$ldap_base,           ""],
+		"ldap_admin_dn"       => [\$ldap_admin_dn,       ""],
+		"ldap_admin_password" => [\$ldap_admin_password, ""],
+	},
+);
 
-$procid = -1 ;
-$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:  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] );
+        }
+    }
+}
 
 sub get_module_info {
 	my @info = (undef,
@@ -81,45 +81,99 @@ sub get_module_info {
 		"socket",
 	);
 
-	my $device = 'eth0';
-	$ldap = Net::LDAP->new("ldap.intranet.gonicus.de") or die "$@";
-
-	POE::Session->create( 
-		inline_states => {
-			_start => \&start,
-			_stop => sub {
-				$_[KERNEL]->post( arp_watch => 'shutdown' )
-			},
-			got_packet => \&got_packet,
-		},
-	);
-
-    return \@info;
+	&read_configfile();
+	# Don't start if some of the modules are missing
+	#if(($arp_activ eq 'on') && $start_service) {
+	#	eval {
+	#		$ldap = Net::LDAP->new($ldap_uri);
+	#	};
+	#	if (!$ldap) {
+	#		&main::daemon_log("Could not connect to LDAP Server!\n$@", 1);
+	#	} else {
+	#		eval {
+	#			$ldap->bind($ldap_admin_dn, password => $ldap_admin_password);
+	#		};
+	#		if($@) {
+	#			&main::daemon_log("LDAP bind as $ldap_admin_dn failed! Trying anonymous bind", 1);
+	#			$ldap->bind();
+	#		}
+	#	}
+
+	#	# When interface is not configured (or 'all'), start arpwatch on all possible interfaces
+	#	if ((!defined($arp_interface)) || $arp_interface eq 'all') {
+	#		foreach my $device(&get_interfaces) {
+	#			# TODO: Need a better workaround for IPv4-to-IPv6 bridges
+	#			if($device =~ m/^sit\d+$/) {
+	#				next;
+	#			}
+
+	#			# If device has a valid mac address
+	#			# TODO: Check if this should be the right way
+	#			if(not(&get_mac($device) eq "00:00:00:00:00:00")) {
+	#				&main::daemon_log("Starting ArpWatch on $device", 1);
+	#				POE::Session->create( 
+	#					inline_states => {
+	#						_start => sub {
+	#							&start(@_,$device);
+	#						},
+	#						_stop => sub {
+	#							$ldap->unbind if (defined($ldap));
+	#							$_[KERNEL]->post( sprintf("arp_watch_$device") => 'shutdown' )
+	#						},
+	#						got_packet => \&got_packet,
+	#					},
+	#				);
+	#			}
+	#		}
+	#	} else {
+	#		foreach my $device(split(/[\s,]+/, $arp_interface)) {
+	#			&main::daemon_log("Starting ArpWatch on $device", 1);
+	#			POE::Session->create( 
+	#				inline_states => {
+	#					_start => sub {
+	#						&start(@_,$device);
+	#					},
+	#					_stop => sub {
+	#						$ldap->unbind if (defined($ldap));
+	#						$_[KERNEL]->post( sprintf("arp_watch_$device") => 'shutdown' )
+	#					},
+	#					got_packet => \&got_packet,
+	#				},
+	#			);
+	#		}
+	#	}
+	#} else {
+	#	&main::daemon_log("ArpHandler disabled. Not starting any capture processes");
+	#}
+	return \@info;
 }
 
 sub process_incoming_msg {
-	return 0;
+	return 1;
 }
 
 sub start {
+	my $device = (exists($_[ARG0])?$_[ARG0]:'eth0');
 	POE::Component::ArpWatch->spawn( 
-		Alias => 'arp_watch',
-		Device => 'eth0', 
+		Alias => sprintf("arp_watch_$device"),
+		Device => $device, 
 		Dispatch => 'got_packet',
 		Session => $_[SESSION],
 	);
 
-	$_[KERNEL]->post( arp_watch => 'run' );
+	$_[KERNEL]->post( sprintf("arp_watch_$device") => 'run' );
 }
 
 sub got_packet {
-	my $packet = $_[ARG0];
+	my ($kernel, $heap, $sender, $packet) = @_[KERNEL, HEAP, SENDER, ARG0];
 
 	if(	$packet->{source_haddr} eq "00:00:00:00:00:00" || 
 		$packet->{source_haddr} eq "ff:ff:ff:ff:ff:ff" || 
 		$packet->{source_ipaddr} eq "0.0.0.0") {
 		return;
 	}
+	
+	my $capture_device = sprintf "%s", $kernel->alias_list($sender) =~ /^arp_watch_(.*)$/;
 
 	if(!exists($hosts_database->{$packet->{source_haddr}})) {
 		my $dnsresult= $resolver->search($packet->{source_ipaddr});
@@ -131,7 +185,10 @@ sub got_packet {
 				$hosts_database->{$packet->{source_haddr}}->{ipHostNumber}=$packet->{source_ipaddr};
 			} else {
 				if(!($ldap_result->{ipHostNumber} eq $packet->{source_ipaddr})) {
-					&main::daemon_log("Current IP Address ".$packet->{source_ipaddr}." of host ".$ldap_result->{dnsname}." differs from LDAP (".$ldap_result->{ipHostNumber}.")", 4);
+					&main::daemon_log(
+						"Current IP Address ".$packet->{source_ipaddr}.
+						" of host ".$ldap_result->{dnsname}.
+						" differs from LDAP (".$ldap_result->{ipHostNumber}.")", 4);
 				}
 			}
 			$hosts_database->{$packet->{source_haddr}}->{dnsname}=$dnsname;
@@ -143,14 +200,33 @@ sub got_packet {
 				dnsname => $dnsname,
 			};
 			&main::daemon_log("Host was not found in LDAP (".($hosts_database->{$packet->{source_haddr}}->{dnsname}).")",6);
-			&main::daemon_log("New Host ".($hosts_database->{$packet->{source_haddr}}->{dnsname}).": ".$hosts_database->{$packet->{source_haddr}}->{ipHostNumber}."/".$hosts_database->{$packet->{source_haddr}}->{macAddress},4);
+			&main::daemon_log(
+				"New Host ".($hosts_database->{$packet->{source_haddr}}->{dnsname}).
+				": ".$hosts_database->{$packet->{source_haddr}}->{ipHostNumber}.
+				"/".$hosts_database->{$packet->{source_haddr}}->{macAddress},4);
+#			&add_ldap_entry(
+#				$ldap, 
+#				$ldap_base, 
+#				$hosts_database->{$packet->{source_haddr}}->{macAddress},
+#				'new-system',
+#				$hosts_database->{$packet->{source_haddr}}->{ipHostNumber});
+#				#,
+#				#$hosts_database->{$packet->{source_haddr}}->{dnsName});	
+#
+#            case 8 {&add_ldap_entry($ldap, $ldap_base, 
+#                                   $mac, $ip, "new-system",
+#                                   )}
 		}
+		$hosts_database->{$packet->{source_haddr}}->{device}= $capture_device;
 	} else {
 		if(!($hosts_database->{$packet->{source_haddr}}->{ipHostNumber} eq $packet->{source_ipaddr})) {
-			&main::daemon_log("IP Address change of MAC ".$packet->{source_haddr}.": ".$hosts_database->{$packet->{source_haddr}}->{ipHostNumber}."->".$packet->{source_ipaddr}, 4);
+			&main::daemon_log(
+				"IP Address change of MAC ".$packet->{source_haddr}.
+				": ".$hosts_database->{$packet->{source_haddr}}->{ipHostNumber}.
+				"->".$packet->{source_ipaddr}, 4);
 			$hosts_database->{$packet->{source_haddr}}->{ipHostNumber}= $packet->{source_ipaddr};
 		}
-		&main::daemon_log("Host already in cache (".($hosts_database->{$packet->{source_haddr}}->{dnsname}).")",6);
+		&main::daemon_log("Host already in cache (".($hosts_database->{$packet->{source_haddr}}->{device})."->".($hosts_database->{$packet->{source_haddr}}->{dnsname}).")",6);
 	}
 } 
 
@@ -164,7 +240,7 @@ sub get_host_from_ldap {
 		"(|(macAddress=$mac)(dhcpHWAddress=ethernet $mac))"
 	);
 
-	if($ldap_result->count==1) {
+	if(defined($ldap_result) && $ldap_result->count==1) {
 		if(exists($ldap_result->{entries}[0]) && 
 			exists($ldap_result->{entries}[0]->{asn}->{objectName}) && 
 			exists($ldap_result->{entries}[0]->{asn}->{attributes})) {
@@ -190,6 +266,68 @@ sub get_host_from_ldap {
 	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
+
+			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:  add_ldap_entry
@@ -199,46 +337,46 @@ sub get_host_from_ldap {
 #  DESCRIPTION:  ????
 #       THROWS:  no exceptions
 #     COMMENTS:  none
-#     SEE ALSO:  n/a
+#     SEE ALSO:  n/a/bin
 #===============================================================================
-#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.", ".$result->error, 1);
-#    }
-#    return;
-#}
+sub add_ldap_entry {
+    my ($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 $c_res = (defined($s_res))?$s_res->count:0;
+    if($c_res == 1) {
+        &main::daemon_log("WARNING: macAddress $mac already in LDAP", 1);
+        return;
+    } elsif($c_res > 0) {
+        &main::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 
+        &main::daemon_log("WARNING: $log_time: $dn ".$result->error, 3);
+    } elsif($result->code == 0) {   # everything went fine
+        &main::daemon_log("$log_time: add entry $dn to ldap", 1);
+    } else {  # if any other error occur
+        &main::daemon_log("ERROR: $log_time: $dn, ".$result->code.", ".$result->error, 1);
+    }
+    return;
+}
 
 
 #===  FUNCTION  ================================================================
@@ -251,36 +389,36 @@ sub get_host_from_ldap {
 #     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.", ".$result->error, 1);
-#    }
-#
-#    return;
-#}
+sub change_ldap_entry {
+    my ($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
@@ -295,249 +433,21 @@ sub get_host_from_ldap {
 #     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: $@", 1);
+	my ($ldap_tree, $sub_tree, $search_string) = @_;
+	my $msg;
+	if(defined($ldap_tree)) {
+		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;
+	}
+	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" }
-#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
-#        $#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,
@@ -607,8 +517,5 @@ sub search_ldap_entry {
 		#        
 		#        $ldap->unbind;
 		#        exit;
-		#    }
-		#
-		#}
 
 1;