index c3875a14439e3cf3e4b75264c07831f4994b2778..1b0997dd2453e6273c89cb38df472860de192891 100644 (file)
use strict;
use warnings;
use GOSA::GosaSupportDaemon;
-use Getopt::Long;
-use Config::IniFiles;
use POSIX;
use Fcntl;
use Net::LDAP;
use Net::DNS;
use Switch;
use Data::Dumper;
-use POE qw(Component::Pcap Component::ArpWatch);
+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;
+ }
+ unless(eval('use POE qw(Component::Pcap Component::ArpWatch)')) {
+ $start_service=0;
+ }
+ unless(eval('use Net::MAC::Vendor')) {
+ $lookup_vendor=0;
+ }
+}
-BEGIN{}
END{}
-my ($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_enabled, $arp_interface, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password);
my $hosts_database={};
-my $resolver=Net::DNS::Resolver->new;
-
-$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;
+my $ldap;
+
+my %cfg_defaults =
+(
+ "ArpHandler" => {
+ "enabled" => [\$arp_enabled, "true"],
+ "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, ""],
+ },
+);
+
+#=== 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) && ( (-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 $device = 'eth0';
- $ldap = Net::LDAP->new("ldap.intranet.gonicus.de") or die "$@";
-
- POE::Session->create(
- inline_states => {
- _start => \&start,
- _stop => sub {
- $_[KERNEL]->post( arp_watch => 'shutdown' )
- },
- got_packet => \&got_packet,
- },
- );
+ &read_configfile();
+ # Don't start if some of the modules are missing
+ if(($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);
+ }
+ }
+ my $ldap_handle = &main::get_ldap_handle();
+
+ # When interface is not configured (or 'all'), start arpwatch on all possible interfaces
+ if ((!defined($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+$/) {
+ next;
+ }
- return \@info;
+ # If device has a valid mac address
+ # TODO: Check if this should be the right way
+ if(not(&get_mac($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 {
+ $_[KERNEL]->post( sprintf("arp_watch_$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 {
+ $_[KERNEL]->post( sprintf("arp_watch_$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});
- 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})) {
$hosts_database->{$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 ".$ldap_result->{dnsname}." differs from LDAP (".$ldap_result->{ipHostNumber}.")", 4);
+ &main::daemon_log(
+ "Current IP Address ".$packet->{source_ipaddr}.
+ " of host ".$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->{$packet->{source_haddr}}->{dnsname}).")",6);
- &main::daemon_log("New Host ".($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_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 $packet->{source_ipaddr})) {
- &main::daemon_log("IP Address change of MAC ".$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};
+ &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}}->{dnsname}).")",6);
+ &main::daemon_log("Host already in cache (".($hosts_database->{$packet->{source_haddr}}->{device})."->".($hosts_database->{$packet->{source_haddr}}->{dnsname}).")",8);
}
}
my $mac=shift;
my $result={};
- my $ldap_result= search_ldap_entry(
- $ldap,
- $ldap_base,
- "(|(macAddress=$mac)(dhcpHWAddress=ethernet $mac))"
- );
-
- if($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 $result;
}
-
#=== FUNCTION ================================================================
-# NAME: add_ldap_entry
-# PURPOSE: adds an element to ldap-tree
-# PARAMETERS:
-# RETURNS: none
-# DESCRIPTION: ????
-# THROWS: no exceptions
-# COMMENTS: none
-# SEE ALSO: n/a
+# NAME: get_interfaces
+# PARAMETERS: none
+# RETURNS: (list of interfaces)
+# DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
#===============================================================================
-#sub add_ldap_entry {
-# my ($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 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, $if;
+ }
+
+ return @result;
+}
#=== FUNCTION ================================================================
-# NAME: change_ldap_entry
-# PURPOSE: ????
-# PARAMETERS: ????
-# RETURNS: ????
-# DESCRIPTION: ????
-# THROWS: no exceptions
-# COMMENTS: none
-# SEE ALSO: n/a
+# NAME: get_mac
+# PARAMETERS: interface name (i.e. eth0)
+# RETURNS: (mac address)
+# DESCRIPTION: Uses ioctl to get mac address directly from system.
#===============================================================================
-#sub change_ldap_entry {
-# my ($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 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;
+}
+
+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("Looking up Vendor for MAC ".$mac.": $result", 4);
+ }
+
+ return $result;
+}
#=== 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] $msg - result object of the performed search
+# NAME: add_ldap_entry
+# PURPOSE: adds an element to ldap-tree
+# PARAMETERS:
+# RETURNS: none
# DESCRIPTION: ????
# THROWS: no exceptions
# COMMENTS: none
-# SEE ALSO: n/a
+# SEE ALSO: n/a/bin
#===============================================================================
-sub search_ldap_entry {
- my ($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 $msg;
-}
-
-
+sub add_ldap_entry {
+ my ($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("WARNING: macAddress $mac already in LDAP", 1);
+ return;
+ } elsif($c_res > 0) {
+ &main::daemon_log("ERROR: macAddress $mac exists $c_res times in LDAP", 1);
+ return;
+ }
-#========= MAIN = main ========================================================
-#daemon_log( "####### START DAEMON ######\n", 1 );
-#&check_cmdline_param ;
-#&check_pid;
-#&open_fifo($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;
-#}
+ # 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("WARNING: $dn ".$result->error, 3);
+ } elsif($result->code == 0) { # everything went fine
+ &main::daemon_log("add entry $dn to ldap", 1);
+ } else { # if any other error occur
+ &main::daemon_log("ERROR: $dn, ".$result->code.", ".$result->error, 1);
+ }
+ } else {
+ &main::daemon_log("Not adding new Entry: LDAP disabled", 6);
+ }
+ return;
+}
#=== FUNCTION ================================================================
# 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
# 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
- #
- #
- # $ldap->unbind;
- # exit;
- # }
- #
- #}
+sub search_ldap_entry {
+ my ($ldap_tree, $sub_tree, $search_string) = @_;
+ my $msg;
+ if(defined($ldap_tree)) {
+ $msg = $ldap_tree->search( # perform a search
+ base => $sub_tree,
+ filter => $search_string,
+ ) or &main::daemon_log("cannot perform search at ldap: $@", 1);
+ }
+ return $msg;
+}
1;