X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=gosa-si%2Fmodules%2FArpHandler.pm;h=210e95654f4e0231a4f6888c3a3f46d351925232;hb=850ef70d7d016480405e610bd698a4b0ffc8d6c7;hp=d4e70eaff59c7ef21ac837a88c822d42d8880e70;hpb=d00ed68a8d2735452cbd94344723d4e7e972e9be;p=gosa.git

diff --git a/gosa-si/modules/ArpHandler.pm b/gosa-si/modules/ArpHandler.pm
index d4e70eaff..210e95654 100644
--- a/gosa-si/modules/ArpHandler.pm
+++ b/gosa-si/modules/ArpHandler.pm
@@ -14,9 +14,11 @@ use Net::LDAP::Entry;
 use Net::DNS;
 use Switch;
 use Data::Dumper;
+use Socket;
 
 # Don't start if some of the modules are missing
 my $start_service=1;
+my $lookup_vendor=1;
 BEGIN{
 	unless(eval('use Socket qw(PF_INET SOCK_DGRAM inet_ntoa sockaddr_in)')) {
 		$start_service=0;
@@ -24,38 +26,76 @@ BEGIN{
 	unless(eval('use POE qw(Component::Pcap Component::ArpWatch)')) {
 		$start_service=0;
 	}
+	unless(eval('use Net::MAC::Vendor')) {
+		$lookup_vendor=0;
+	}
 }
 
 END{}
 
 my ($timeout, $mailto, $mailfrom, $user, $group);
-my %daemon_children;
-my ($ldap, $bind_phrase, $password, $ldap_base, $interface) ;
+my ($arp_enabled, $arp_interface, $arp_update, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password);
 my $hosts_database={};
-my $resolver=Net::DNS::Resolver->new;
+my $ldap;
+
+my %cfg_defaults =
+(
+    "ArpHandler" => {
+        "enabled"             => [\$arp_enabled,         "true"],
+        "interface"           => [\$arp_interface,       "all"],
+        "update-entries"      => [\$arp_update,          "false"],
+    },
+    "server" => {
+        "ldap-uri"            => [\$ldap_uri,            ""],
+        "ldap-base"           => [\$ldap_base,           ""],
+        "ldap-admin-dn"       => [\$ldap_admin_dn,       ""],
+        "ldap-admin-password" => [\$ldap_admin_password, ""],
+    },
+);
 
-$ldap_base = "dc=gonicus,dc=de" ;
-$interface = "eth1";
+#===  FUNCTION  ================================================================
+#         NAME:  read_configfile
+#   PARAMETERS:  cfg_file - string -
+#      RETURNS:  nothing
+#  DESCRIPTION:  read cfg_file and set variables
+#===============================================================================
+sub local_read_configfile {
+	my $cfg;
+	if( defined( $main::cfg_file) && ( (-s $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,
-		undef,
-		undef,
-		undef,
-		"socket",
-	);
+	my @info = (undef, undef);
 
+	&local_read_configfile();
 	# Don't start if some of the modules are missing
-	if($start_service) {
-		eval {
-			$ldap = Net::LDAP->new("ldap.intranet.gonicus.de");
-		};
-		if (!$ldap) {
-			&main::daemon_log("Could not connect to LDAP Server!\n$@", 1);
+	if(($arp_enabled eq 'true') && $start_service) {
+		if($lookup_vendor) {
+			eval("Net::MAC::Vendor::load_cache('file:///usr/lib/gosa-si/modules/oui.txt')");
+			if($@) {
+				&main::daemon_log("Loading OUI cache file failed! MAC Vendor lookup disabled", 1);
+				$lookup_vendor=0;
+			} else {
+				&main::daemon_log("Loading OUI cache file suceeded!", 6);
+			}
 		}
 
 		# When interface is not configured (or 'all'), start arpwatch on all possible interfaces
-		if ((!defined($interface)) || $interface eq 'all') {
+		if ((!defined($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+$/) {
@@ -80,7 +120,7 @@ sub get_module_info {
 				}
 			}
 		} else {
-			foreach my $device(split(/[\s,]+/, $interface)) {
+			foreach my $device(split(/[\s,]+/, $arp_interface)) {
 				&main::daemon_log("Starting ArpWatch on $device", 1);
 				POE::Session->create( 
 					inline_states => {
@@ -95,6 +135,8 @@ sub get_module_info {
 				);
 			}
 		}
+	} else {
+		&main::daemon_log("ArpHandler disabled. Not starting any capture processes");
 	}
 	return \@info;
 }
@@ -126,46 +168,65 @@ sub got_packet {
 	
 	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});
-		my $dnsname= (defined($dnsresult))?$dnsresult->{answer}[0]->{ptrdname}:$packet->{source_ipaddr};
+	my $ldap_handle = &main::get_ldap_handle(); 
+    if(!exists($hosts_database->{$packet->{source_haddr}})) {
+		my $dnsname= gethostbyaddr(inet_aton($packet->{source_ipaddr}), AF_INET) || $packet->{source_ipaddr};
 		my $ldap_result=&get_host_from_ldap($packet->{source_haddr});
-		if(exists($ldap_result->{dn})) {
+		if(exists($ldap_result->{dn}) and $arp_update eq "true") {
 			$hosts_database->{$packet->{source_haddr}}=$ldap_result;
+			$hosts_database->{$packet->{source_haddr}}->{dnsname}= $dnsname;
 			if(!exists($ldap_result->{ipHostNumber})) {
 				$hosts_database->{$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 ".$ldap_result->{dnsname}.
+						" of host ".$hosts_database->{$packet->{source_haddr}}->{dnsname}.
 						" differs from LDAP (".$ldap_result->{ipHostNumber}.")", 4);
 				}
 			}
 			$hosts_database->{$packet->{source_haddr}}->{dnsname}=$dnsname;
-			&main::daemon_log("Host was found in LDAP as ".$ldap_result->{dn}, 6);
+			&main::daemon_log("Host was found in LDAP as ".$ldap_result->{dn}, 8);
 		} else {
 			$hosts_database->{$packet->{source_haddr}}={
 				macAddress => $packet->{source_haddr},
 				ipHostNumber => $packet->{source_ipaddr},
 				dnsname => $dnsname,
+				cn => (($dnsname =~ /^(\d){1,3}\.(\d){1,3}\.(\d){1,3}\.(\d){1,3}/) ? $dnsname : sprintf "%s", $dnsname =~ /([^\.]+)\./),
+				macVendor => (($lookup_vendor) ? &get_vendor_for_mac($packet->{source_haddr}) : "Unknown Vendor"),
 			};
-			&main::daemon_log("Host was not found in LDAP (".($hosts_database->{$packet->{source_haddr}}->{dnsname}).")",6);
+			&main::daemon_log("A DEBUG: Host was not found in LDAP (".($hosts_database->{$packet->{source_haddr}}->{dnsname}).")",522);
 			&main::daemon_log(
-				"New Host ".($hosts_database->{$packet->{source_haddr}}->{dnsname}).
+				"A INFO: New Host ".($hosts_database->{$packet->{source_haddr}}->{dnsname}).
 				": ".$hosts_database->{$packet->{source_haddr}}->{ipHostNumber}.
-				"/".$hosts_database->{$packet->{source_haddr}}->{macAddress},4);
+				"/".$hosts_database->{$packet->{source_haddr}}->{macAddress},5);
+			&add_ldap_entry(
+				$ldap_handle, 
+				$ldap_base, 
+				$hosts_database->{$packet->{source_haddr}}->{macAddress},
+				'new-system',
+				$hosts_database->{$packet->{source_haddr}}->{ipHostNumber},
+				'interface',
+				$hosts_database->{$packet->{source_haddr}}->{macVendor});
 		}
 		$hosts_database->{$packet->{source_haddr}}->{device}= $capture_device;
 	} else {
-		if(!($hosts_database->{$packet->{source_haddr}}->{ipHostNumber} eq $packet->{source_ipaddr})) {
+		if(($arp_update eq "true") and !($hosts_database->{$packet->{source_haddr}}->{ipHostNumber} eq $packet->{source_ipaddr})) {
 			&main::daemon_log(
-				"IP Address change of MAC ".$packet->{source_haddr}.
+				"A INFO: IP Address change of MAC ".$packet->{source_haddr}.
 				": ".$hosts_database->{$packet->{source_haddr}}->{ipHostNumber}.
-				"->".$packet->{source_ipaddr}, 4);
+				"->".$packet->{source_ipaddr}, 5);
 			$hosts_database->{$packet->{source_haddr}}->{ipHostNumber}= $packet->{source_ipaddr};
+			&change_ldap_entry(
+				$ldap_handle, 
+				$ldap_base, 
+				$hosts_database->{$packet->{source_haddr}}->{macAddress},
+				'ip-changed',
+				$hosts_database->{$packet->{source_haddr}}->{ipHostNumber},
+			);
+
 		}
-		&main::daemon_log("Host already in cache (".($hosts_database->{$packet->{source_haddr}}->{device})."->".($hosts_database->{$packet->{source_haddr}}->{dnsname}).")",6);
+		&main::daemon_log("Host already in cache (".($hosts_database->{$packet->{source_haddr}}->{device})."->".($hosts_database->{$packet->{source_haddr}}->{dnsname}).")",8);
 	}
 } 
 
@@ -173,68 +234,41 @@ sub get_host_from_ldap {
 	my $mac=shift;
 	my $result={};
 		
-	my $ldap_result= search_ldap_entry(
-		$ldap,
-		$ldap_base,
-		"(|(macAddress=$mac)(dhcpHWAddress=ethernet $mac))"
-	);
-
-	if(defined($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})) {
-
-			for my $attribute(@{$ldap_result->{entries}[0]->{asn}->{attributes}}) {
-				if($attribute->{type} eq 'cn') {
-					$result->{cn} = $attribute->{vals}[0];
-				}
-				if($attribute->{type} eq 'macAddress') {
-					$result->{macAddress} = $attribute->{vals}[0];
-				}
-				if($attribute->{type} eq 'dhcpHWAddress') {
-					$result->{dhcpHWAddress} = $attribute->{vals}[0];
-				}
-				if($attribute->{type} eq 'ipHostNumber') {
-					$result->{ipHostNumber} = $attribute->{vals}[0];
+    my $ldap_handle = &main::get_ldap_handle();     
+	if(defined($ldap_handle)) {
+		my $ldap_result= &search_ldap_entry(
+			$ldap_handle,
+			$ldap_base,
+			"(|(macAddress=$mac)(dhcpHWAddress=ethernet $mac))"
+		);
+
+		if(defined($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})) {
+
+				for my $attribute(@{$ldap_result->{entries}[0]->{asn}->{attributes}}) {
+					if($attribute->{type} eq 'cn') {
+						$result->{cn} = $attribute->{vals}[0];
+					}
+					if($attribute->{type} eq 'macAddress') {
+						$result->{macAddress} = $attribute->{vals}[0];
+					}
+					if($attribute->{type} eq 'dhcpHWAddress') {
+						$result->{dhcpHWAddress} = $attribute->{vals}[0];
+					}
+					if($attribute->{type} eq 'ipHostNumber') {
+						$result->{ipHostNumber} = $attribute->{vals}[0];
+					}
 				}
 			}
+			$result->{dn} = $ldap_result->{entries}[0]->{asn}->{objectName};
 		}
-		$result->{dn} = $ldap_result->{entries}[0]->{asn}->{objectName};
 	}
 
 	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 
@@ -268,6 +302,21 @@ sub get_mac {
 	return $result;
 }
 
+sub get_vendor_for_mac {
+	my $mac=shift;
+	my $result="Unknown Vendor";
+
+	if(defined($mac)) {
+		my $vendor= Net::MAC::Vendor::fetch_oui_from_cache(Net::MAC::Vendor::normalize_mac($mac));
+		if(length($vendor) > 0) {
+			$result= @{$vendor}[0];
+		}
+		&main::daemon_log("A INFO: Looking up Vendor for MAC ".$mac.": $result", 5);
+	}
+
+	return $result;
+}
+
 #===  FUNCTION  ================================================================
 #         NAME:  add_ldap_entry
 #      PURPOSE:  adds an element to ldap-tree
@@ -276,46 +325,49 @@ sub get_mac {
 #  DESCRIPTION:  ????
 #       THROWS:  no exceptions
 #     COMMENTS:  none
-#     SEE ALSO:  n/a
+#     SEE ALSO:  n/a/bin
 #===============================================================================
-#sub add_ldap_entry {
-#    my ($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, $desc) = @_;
+	if(defined($ldap_tree)) {
+		my $dn = "cn=".$hosts_database->{$mac}->{cn}.",ou=incoming,$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("A WARNING: macAddress $mac already in LDAP", 3);
+			return;
+		} elsif($c_res > 0) {
+			&main::daemon_log("A 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" => $hosts_database->{$mac}->{cn});
+		$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 $result->code constants please look at Net::LDAP::Constant
+		if($result->code == 68) {   # entry already exists 
+			&main::daemon_log("A WARNING: $dn ".$result->error, 3);
+		} elsif($result->code == 0) {   # everything went fine
+			&main::daemon_log("A INFO: Add entry $dn to ldap", 5);
+		} else {  # if any other error occur
+			&main::daemon_log("A ERROR: $dn, ".$result->code.", ".$result->error, 1);
+		}
+	} else {
+		&main::daemon_log("A INFO: Not adding new Entry: LDAP disabled", 5);
+	}
+	return;
+}
 
 
 #===  FUNCTION  ================================================================
@@ -328,36 +380,45 @@ sub get_mac {
 #     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, $ip) = @_;
+
+	if(defined($ldap_tree)) {
+		# 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 = (defined $s_res)?$s_res->count:0;
+		if($c_res == 0) {
+			&main::daemon_log("WARNING: macAddress $mac not in LDAP", 1);
+			return;
+		} elsif($c_res > 1) {
+			&main::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 $replace = {
+			'gotoSysStatus' => $gotoSysStatus,
+		};
+		if (defined($ip)) {
+			$replace->{'ipHostNumber'} = $ip;
+		}
+		my $result = $ldap_tree->modify( $dn, replace => $replace );
+
+		# for $result->code constants please look at Net::LDAP::Constant
+		if($result->code == 32) {   # entry doesnt exists 
+			&add_ldap_entry($mac, $gotoSysStatus);
+		} elsif($result->code == 0) {   # everything went fine
+			&main::daemon_log("entry $dn changed successful", 1);
+		} else {  # if any other error occur
+			&main::daemon_log("ERROR: $dn, ".$result->code.", ".$result->error, 1);
+		}
+	} else {
+		&main::daemon_log("Not changing Entry: LDAP disabled", 6);
+	}
+
+	return;
+}
 
 #===  FUNCTION  ================================================================
 #         NAME:  search_ldap_entry
@@ -375,319 +436,13 @@ sub search_ldap_entry {
 	my ($ldap_tree, $sub_tree, $search_string) = @_;
 	my $msg;
 	if(defined($ldap_tree)) {
-		my $msg = $ldap_tree->search( # perform a search
+		$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; };
-#    }
+		) or &main::daemon_log("cannot perform search at ldap: $@", 1);
 	}
 	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 => $password,
-#                    ) ;
-#        
-#        switch($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;
-		#    }
-		#
-		#}
-
+# vim:ts=4:shiftwidth:expandtab
 1;