1Net::LDAP::Control::PreURseeard(C3o)ntributed Perl DocumNeentt:a:tLiDoAnP::Control::PreRead(3)
2
3
4

NAME

6       Net::LDAP::Control::PreRead - LDAPv3 Pre-Read control object
7

SYNOPSIS

9        use Net::LDAP;
10        use Net::LDAP::Control::PreRead;
11        use Net::LDAP::Constant qw( LDAP_CONTROL_PREREAD LDAP_SUCCESS );
12
13        $ldap = Net::LDAP->new( "ldap.mydomain.eg" );
14
15        $preread = Net::LDAP::Control::PreRead->new( attrs => [ qw/givenName/ ] );
16
17        my $mesg = $ldap->modify( "cn=Barbara Jensen, o=University of Michigan, c=US",
18                                  replace => { givenName => "Babs" },
19                                  control => $preread );
20
21        if ($mesg->code eq LDAP_SUCCESS) {
22          my ($previous) = $mesg->control( LDAP_CONTROL_PREREAD );
23          my $entry = $previous ? $previous->entry() : undef;
24
25          if ($entry) {
26            print "givenName changed from '" .
27                  join("', '", $entry->get_value(givenName") .
28                  "' to 'Babs'\n");
29          }
30        }
31

DESCRIPTION

33       "Net::LDAP::Control::PreRead" provides an interface for the creation
34       and manipulation of objects that represent the "Pre-Read Controls" as
35       described by RFC 4527.
36
37       In modification operations, the "Pre-Read request control" indicates to
38       the server that a copy of the original entry before the update is to be
39       returned.  After the successful completion of the operation, the
40       accompanying "Pre-Read response control" allows one to retrieve the
41       original value from the server's response.
42
43       One use case of this control may be to obtain replaced or deleted
44       values of modified attributes or a copy of the entry being deleted.
45

CONSTRUCTOR ARGUMENTS

47       In addition to the constructor arguments described in
48       Net::LDAP::Control the following are provided.
49
50       attrs => [ ATTR, ... ]
51           A list of attributes to be returned in the entry returned in the
52           response control.
53
54           If absent, all attributes are returned.
55
56           Operational attributes may be included in the list by explicitly
57           asking for them or by using special "+" feature (provided the
58           server supports this feature).
59

METHODS

61       As with Net::LDAP::Control each constructor argument described above is
62       also available as a method on the object which will return the current
63       value for the attribute if called without an argument, and set a new
64       value for the attribute if called with an argument.
65
66       In addition to these methods, the control also supports the following
67       method:
68
69       entry ()
70           Returns the entry from the response control in the response message
71           to the LDAP request that contained the request control.
72
73           The result is either a Net::LDAP::Entry object or undefined.
74

SEE ALSO

76       Net::LDAP, Net::LDAP::Control, http://www.ietf.org/rfc/rfc4527.txt
77

AUTHOR

79       Peter Marschall <peter@adpm.de>
80
81       Please report any bugs, or post any suggestions, to the perl-ldap
82       mailing list <perl-ldap@perl.org>
83
85       Copyright (c) 2008,2011 Peter Marschall. All rights reserved. This
86       program is free software; you can redistribute it and/or modify it
87       under the same terms as Perl itself.
88
89
90
91perl v5.36.0                      2023-01-24    Net::LDAP::Control::PreRead(3)
Impressum