API15:JLDAP/LDAPNetAddr

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Description

extract readable network address from the LDAP encoded networkAddress attribute. Jay Burrell, Systems & Networks, Mississippi State University Please keep this document block and author attribution in place. Novell Docs, see: http://developer.novell.com/ndk/doc/ndslib/schm_enu/data/sdk5624.html#sdk5624 for Address types: http://developer.novell.com/ndk/doc/ndslib/index.html?page=/ndk/doc/ndslib/schm_enu/data/sdk4170.html LDAP Format, String: taggedData = uint32String "#" octetstring byte 0 = uint32String = Address Type: 0= IPX Address; 1 = IP Address byte 1 = char = "#" - separator byte 2+ = octetstring - the ordinal value of the address Note: with eDirectory 8.6.2, the IP address (type 1) returns correctly, however, an IPX address does not seem to. eDir 8.7 may correct this. Enhancement made by Merijn van de Schoot: If addresstype is 8 (UDP) or 9 (TCP) do some additional parsing like still returning the IP address

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Syntax

LDAPNetAddr($networkaddress)

Parameter Name	Default Value	Description
$networkaddress

Defined in

libraries/joomla/client/ldap.php

Importing

jimport( 'joomla.client.ldap' );

Source Body

function LDAPNetAddr($networkaddress)
{
        $addr = "";
        $addrtype = intval(substr($networkaddress, 0, 1));
        $networkaddress = substr($networkaddress, 2); // throw away bytes 0 and 1 which should be the addrtype and the "#" separator
 
        if (($addrtype == 8) || ($addrtype = 9)) {
                // TODO 1.6: If UDP or TCP, (TODO fill addrport and) strip portnumber information from address
                $networkaddress = substr($networkaddress, (strlen($networkaddress)-4));
        }
 
        $addrtypes = array (
                'IPX',
                'IP',
                'SDLC',
                'Token Ring',
                'OSI',
                'AppleTalk',
                'NetBEUI',
                'Socket',
                'UDP',
                'TCP',
                'UDP6',
                'TCP6',
                'Reserved (12)',
                'URL',
                'Count'
        );
        $len = strlen($networkaddress);
        if ($len > 0)
        {
                for ($i = 0; $i < $len; $i += 1)
                {
                        $byte = substr($networkaddress, $i, 1);
                        $addr .= ord($byte);
                        if ( ($addrtype == 1) || ($addrtype == 8) || ($addrtype = 9) ) { // dot separate IP addresses...
                                $addr .= ".";
                        }
                }
                if ( ($addrtype == 1) || ($addrtype == 8) || ($addrtype = 9) ) { // strip last period from end of $addr
                        $addr = substr($addr, 0, strlen($addr) - 1);
                }
        } else {
                $addr .= "address not available.";
        }
        return Array('protocol'=>$addrtypes[$addrtype], 'address'=>$addr);
}

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Examples

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