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Net::LDAP::Control(3pmUser Contributed Perl DocumentatiNet::LDAP::Control(3pm)

       Net::LDAP::Control - LDAPv3 control object base class

        use Net::LDAP::Control;
        use Net::LDAP::Constant qw( LDAP_CONTROL_MANAGEDSAIT );

        my $req_ctrl1 = Net::LDAP::Control->new( type => LDAP_CONTROL_MANAGEDSAIT );
        my $req_ctrl2 = Net::LDAP::Control->new(
          type     => "",
          value    => "help",
          critical => 0

        $mesg = $ldap->search( @args, control => [ $req_ctrl1, $req_ctrl2 ]);

        my @res_ctrls = $mesg->control();

       "Net::LDAP::Control" is the base-class for LDAPv3 control objects.

       Controls provide a mechanism that allows one to extend the semantics
       and arguments of LDAP operations.  Controls may be attached to LDAP
       operations, and only affect the semantics of the operation they are
       attached to.

       Controls sent by clients are termed request controls, and are set using
       the "control" option of the respective LDAP operations.  Controls sent
       by servers are called response controls, they can be found using the
       "control()" method of the response message objects.

       Servers announce the controls they support in the attribute
       "supportedControls" in their RootDSE.

       new ( ARGS )
           ARGS is a list of name/value pairs, valid arguments are:

               A Boolean value, if TRUE and the control is unrecognized by the
               server or is inappropriate for the requested operation then the
               server will return an error and the operation will not be

               If FALSE and the control is unrecognized by the server or is
               inappropriate for the requested operation then the server will
               ignore the control and perform the requested operation as if
               the control was not given.

               If absent, FALSE is assumed.

               A dotted-decimal representation of an OBJECT IDENTIFIER which
               uniquely identifies the control. This prevents conflicts
               between control names.

               This may be omitted if the constructor is being called on a
               sub-class of Net::LDAP::Control which has registered to be
               associated with an OID.  If the constructor is being called on
               the Net::LDAP::Control package, then this argument must be
               given.  If the given OID has been registered by a package, then
               the returned object will be of the type registered to handle
               that OID.

               Optional information associated with the control. Its format is
               specific to the particular control.

       from_asn ( ASN )
           ASN is a HASH reference, normally extracted from a PDU. It will
           contain a "type" element and optionally "critical" and "value"
           elements. On return ASN will be blessed into a package. If "type"
           is a registered OID, then ASN will be blessed into the registered
           package, if not then ASN will be blessed into Net::LDAP::Control.

           This constructor is used internally by Net::LDAP and assumes that
           HASH passed contains a valid control. It should be used with

       In addition to the methods listed below, each of the named parameters
       to "new" is also available as a method. "type" will return the OID of
       the control object. "value" and "critical" are set/get methods and will
       return the current value for each attribute if called without
       arguments, but may also be called with arguments to set new values.

       error ()
           If there has been an error returns a description of the error,
           otherwise it will return "undef"

       init ()
           "init" will be called as the last step in both constructors. What
           it does will depend on the sub-class. It must always return the

       register ( OID )
           "register" is provided for sub-class implementors. It should be
           called as a class method on a sub-class of Net::LDAP::Control with
           the OID that the class will handle. Net::LDAP::Control will
           remember this class and OID pair and use it in the following

           o   "new" is called as a class method on the Net::LDAP::Control
               package and OID is passed as the type. The returned object will
               be blessed into the package that registered the OID.

           o   "new" is called as a class method on a registered package and
               the "type" is not specified. The "type" will be set to the OID
               registered by that package.

           o   "from_asn" is called to construct an object from ASN. The
               returned object will be blessed into the package which was
               registered to handle the OID in the ASN.

       ( to_asn )
           Returns a structure suitable for passing to Convert::ASN1 for
           encoding. This method will be called by Net::LDAP when the control
           is used.

           The base class implementation of this method will call the "value"
           method without arguments to allow a sub-class to encode it's value.
           Sub-classes should not need to override this method.

       valid ()
           Returns true if the object is valid and can be encoded. The default
           implementation for this method is to return TRUE if there is no
           error, but sub-classes may override that.

       Net::LDAP, Net::LDAP::RootDSE, Net::LDAP::Control::Assertion,
       Net::LDAP::Control::EntryChange, Net::LDAP::Control::ManageDsaIT,
       Net::LDAP::Control::MatchedValues, Net::LDAP::Control::Paged,
       Net::LDAP::Control::PersistentSearch, Net::LDAP::Control::PostRead,
       Net::LDAP::Control::PreRead, Net::LDAP::Control::ProxyAuth,
       Net::LDAP::Control::Relax, Net::LDAP::Control::Sort,
       Net::LDAP::Control::SortResult, Net::LDAP::Control::SyncDone,
       Net::LDAP::Control::SyncRequest, Net::LDAP::Control::SyncState,
       Net::LDAP::Control::VLV, Net::LDAP::Control::VLVResponse

       Graham Barr <>

       Please report any bugs, or post any suggestions, to the perl-ldap
       mailing list <>

       Copyright (c) 1999-2004 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.

perl v5.20.0                      2014-06-01           Net::LDAP::Control(3pm)

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