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Net::LDAP::Util(3pm)


Net::LDAP::Util

Net::LDAP::Util

NAME
SYNOPSIS
DESCRIPTION
FUNCTIONS
AUTHOR
COPYRIGHT

NAME

Net::LDAP::Util − Utility functions

SYNOPSIS

  use Net::LDAP::Util qw(ldap_error_text
                         ldap_error_name
                         ldap_error_desc
                        );
  $mesg = $ldap->search( .... );

  die "Error ",ldap_error_name($mesg) if $mesg->code;

DESCRIPTION

Net::LDAP::Util is a collection of utility functions for use with the Net::LDAP modules.

FUNCTIONS

ldap_error_name ( ERR )

Returns the name corresponding with ERR . ERR can either be an LDAP error number, or a "Net::LDAP::Message" object containing an error code. If the error is not known the a string in the form ""LDAP error code %d(0x%02X)"" is returned.

ldap_error_text ( ERR )

Returns the text from the POD description for the given error. ERR can either be an LDAP error code, or a "Net::LDAP::Message" object containing an LDAP error code. If the error code given is unknown then "undef" is returned.

ldap_error_desc ( ERR )

Returns a short text description of the error. ERR can either be an LDAP error code or a "Net::LDAP::Message" object containing an LDAP error code.

canonical_dn ( DN [ , OPTIONS ] )

Returns the given DN in a canonical form. Returns undef if DN is not a valid Distinguished Name. (Note: The empty string "" is a valid DN .) DN can either be a string or reference to an array of hashes as returned by ldap_explode_dn, which is useful when constructing a DN .

It performs the following operations on the given DN :

*

Removes the leading ’ OID .’ characters if the type is an OID instead of a name.

*

Escapes all RFC 2253 special characters (",", "+", """, "\", "<", ">", ";", "#", "=", " "), slashes ("/"), and any other character where the ASCII code is < 32 as \hexpair.

*

Converts all leading and trailing spaces in values to be \20.

*

If an RDN contains multiple parts, the parts are re-ordered so that the attribute type names are in alphabetical order.

OPTIONS is a list of name/value pairs, valid options are:
casefold

Controls case folding of attribute type names. Attribute values are not affected by this option. The default is to uppercase. Valid values are:
lower

Lowercase attribute type names.

upper

Uppercase attribute type names. This is the default.

none

Do not change attribute type names.

mbcescape

If TRUE , characters that are encoded as a multi-octet UTF−8 sequence will be escaped as \(hexpair){2,*}.

reverse

If TRUE , the RDN sequence is reversed.

separator

Separator to use between RDNs. Defaults to comma (’,’).

ldap_explode_dn ( DN [ , OPTIONS ] )

Explodes the given DN into an array of hashes and returns a reference to this array. Returns undef if DN is not a valid Distinguished Name.

A Distinguished Name is a sequence of Relative Distingushed Names (RDNs), which themselves are sets of Attributes. For each RDN a hash is constructed with the attribute type names as keys and the attribute values as corresponding values. These hashes are then strored in an array in the order in which they appear in the DN .

For example, the DN ’OU=Sales+CN=J. Smith,DC=example,DC=net’ is exploded to: [
{
OU ’ => ’Sales’,
CN ’ => ’J. Smith’
},
{
DC ’ => ’example’
},
{
DC ’ => ’net’
} ]

( RFC2253 string) DNs might also contain values, which are the bytes of the BER encoding of the X.500 AttributeValue rather than some LDAP string syntax. These values are hex-encoded and prefixed with a #. To distingush such BER values, ldap_explode_dn uses references to the actual values, e.g. ’1.3.6.1.4.1.1466.0=#04024869,DC=example,DC=com’ is exploded to: [
{
’1.3.6.1.4.1.1466.0’ => \"\004\002Hi"
},
{
DC ’ => ’example’
},
{
DC ’ => ’com’
} ];

It also performs the following operations on the given DN:

*

Unescape "\" followed by ",", "+", """, "\", "<", ">", ";", "#", "=", " ", or a hexpair and and strings beginning with "#".

*

Removes the leading OID . characters if the type is an OID instead of a name.

OPTIONS is a list of name/value pairs, valid options are:
casefold

Controls case folding of attribute types names. Attribute values are not affected by this option. The default is to uppercase. Valid values are:
lower

Lowercase attribute types names.

upper

Uppercase attribute type names. This is the default.

none

Do not change attribute type names.

reverse

If TRUE , the RDN sequence is reversed.

AUTHOR

Graham Barr <gbarr@pobox.com>

COPYRIGHT

Copyright (c) 1999−2002 Graham Barr. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

ldap_explode_dn and canonical_dn also

(c) 2002 Norbert Klasen, norbert.klasen@daasi.de, All Rights Reserved.

$Id: Util.pm,v 1.18 2003/05/20 14:58:49 chrisridd Exp $



Net::LDAP::Util(3pm)