Code

gotoHardwareChecksum gets added to LDAP if not present
[gosa.git] / gosa-si / modules / ArpHandler.pm
index 1384e60a1a1f96c74bd2d474f734d279fe39ad90..bb2809fdb9e954beaf3c5eeff3be70a327cb01f2 100644 (file)
@@ -17,6 +17,7 @@ use Data::Dumper;
 
 # 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;
@@ -24,6 +25,9 @@ BEGIN{
        unless(eval('use POE qw(Component::Pcap Component::ArpWatch)')) {
                $start_service=0;
        }
+       unless(eval('use Net::MAC::Vendor')) {
+               $lookup_vendor=0;
+       }
 }
 
 END{}
@@ -33,6 +37,15 @@ my ($arp_activ, $arp_interface, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_adm
 my $hosts_database={};
 my $resolver=Net::DNS::Resolver->new;
 my $ldap;
+if($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 %cfg_defaults =
 (
@@ -175,13 +188,14 @@ sub got_packet {
                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 ".$ldap_result->{dnsname}.
+                                               " of host ".$hosts_database->{$packet->{source_haddr}}->{dnsname}.
                                                " differs from LDAP (".$ldap_result->{ipHostNumber}.")", 4);
                                }
                        }
@@ -192,7 +206,8 @@ sub got_packet {
                                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", $dnsname =~ /([^\.]+)\./,
+                               cn => (($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(
@@ -204,8 +219,9 @@ sub got_packet {
                                $ldap_base, 
                                $hosts_database->{$packet->{source_haddr}}->{macAddress},
                                'new-system',
-                               $hosts_database->{$packet->{source_haddr}}->{ipHostNumber});
-                               # TODO add mac vendor as description
+                               $hosts_database->{$packet->{source_haddr}}->{ipHostNumber},
+                               'interface',
+                               $hosts_database->{$packet->{source_haddr}}->{macVendor});
                }
                $hosts_database->{$packet->{source_haddr}}->{device}= $capture_device;
        } else {
@@ -327,6 +343,21 @@ 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("Looking up Vendor for MAC ".$mac.": $result", 4);
+       }
+
+       return $result;
+}
+
 #===  FUNCTION  ================================================================
 #         NAME:  add_ldap_entry
 #      PURPOSE:  adds an element to ldap-tree
@@ -362,7 +393,7 @@ sub add_ldap_entry {
     if(defined $desc) {$entry->add("description" => $desc) }
     
     # submit entry to LDAP
-    my $result = $entry->update ($ldap_tree); 
+       my $result = $entry->update ($ldap_tree); 
         
     # for $result->code constants please look at Net::LDAP::Constant
     if($result->code == 68) {   # entry already exists 
@@ -393,10 +424,10 @@ sub change_ldap_entry {
     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) {
-        daemon_log("WARNING: macAddress $mac not in LDAP", 1);
+        &main::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);
+        &main::daemon_log("ERROR: macAddress $mac exists $c_res times in LDAP", 1);
         return;
     }
 
@@ -406,18 +437,17 @@ sub change_ldap_entry {
                'gotoSysStatus' => $gotoSysStatus,
        };
        if (defined($ip)) {
-               $replace->{'ip'} = $ip;
+               $replace->{'ipHostNumber'} = $ip;
        }
     my $result = $ldap->modify( $dn, replace => $replace );
 
     # 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);
+        &main::daemon_log("entry $dn changed successful", 1);
     } else {  # if any other error occur
-        daemon_log("ERROR: $log_time: $dn, ".$result->code.", ".$result->error, 1);
+        &main::daemon_log("ERROR: $dn, ".$result->code.", ".$result->error, 1);
     }
 
     return;
@@ -442,7 +472,7 @@ sub search_ldap_entry {
                $msg = $ldap_tree->search( # perform a search
                        base   => $sub_tree,
                        filter => $search_string,
-               ) or daemon_log("cannot perform search at ldap: $@", 1);
+               ) or &main::daemon_log("cannot perform search at ldap: $@", 1);
                #if(defined $msg) {
        #    print $sub_tree."\t".$search_string."\t";
        #    print $msg->count."\n";