зеркало из https://github.com/mozilla/gecko-dev.git
1196 строки
34 KiB
Perl
1196 строки
34 KiB
Perl
#############################################################################
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# $Id: Entry.pm,v 1.13 2000/10/05 19:47:28 leif%netscape.com Exp $
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#
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# The contents of this file are subject to the Mozilla Public License
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# Version 1.1 (the "License"); you may not use this file except in
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# compliance with the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS"
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# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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# License for the specific language governing rights and limitations
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# under the License.
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#
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# The Original Code is PerLDAP. The Initial Developer of the Original
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# Code is Netscape Communications Corp. and Clayton Donley. Portions
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# created by Netscape are Copyright (C) Netscape Communications
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# Corp., portions created by Clayton Donley are Copyright (C) Clayton
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# Donley. All Rights Reserved.
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#
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# Contributor(s):
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#
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# DESCRIPTION
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# This package defines an object class to manage one single LDAP
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# entry. This entry can either be a newly created one, or one
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# retrieved from an LDAP server, using the Mozilla::LDAP::Conn class.
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#
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#############################################################################
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package Mozilla::LDAP::Entry;
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use Mozilla::LDAP::Utils 1.4 qw(normalizeDN);
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use Tie::Hash;
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use strict;
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use vars qw($VERSION @ISA);
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@ISA = ('Tie::StdHash');
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$VERSION = "1.41";
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#############################################################################
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# Constructor, for convenience.
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#
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sub new
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{
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my ($class) = shift;
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my (%entry, $obj);
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tie %entry, $class;
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$obj = bless \%entry, $class;
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return $obj;
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}
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#############################################################################
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# Creator, make a new tie hash instance, which will keep track of all
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# changes made to the hash array. This is needed so we only update modified
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# attributes.
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#
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sub TIEHASH
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{
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my ($class, $self) = (shift, {});
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return bless $self, $class;
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}
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#############################################################################
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# Destructor, free a bunch of memory. This makes a lot more sense now,
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# since apparently Perl does not handle self references properly within an
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# object(??).
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#
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sub DESTROY
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{
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my ($self) = shift;
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if (defined($self))
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{
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undef %{$self} if (%{$self});
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undef $self;
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}
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}
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#############################################################################
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# Store method, to keep track of changes on an entire array of values (per
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# attribute, of course).
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#
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sub STORE
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{
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my ($self, $attr, $val) = ($_[$[], lc $_[$[ + 1], $_[$[ + 2]);
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return unless (defined($val) && ($val ne ""));
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return unless (defined($attr) && ($attr ne ""));
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# We don't "track" internal values, or DNs...
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if (($attr =~ /^_.+_$/) || ($attr eq "dn"))
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{
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$self->{$attr} = $val;
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return;
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}
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if (defined($self->{$attr}))
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{
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$self->{"_${attr}_save_"} = [ @{$self->{$attr}} ]
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unless defined($self->{"_${attr}_save_"});
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}
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$self->{$attr} = $val;
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$self->{"_${attr}_modified_"} = 1;
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delete $self->{"_${attr}_deleted_"}
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if defined($self->{"_${attr}_deleted_"});
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# Potentially add the attribute to the OC order list.
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if (! grep(/^$attr$/i, @{$self->{"_oc_order_"}}))
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{
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push(@{$self->{"_oc_order_"}}, $attr);
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$self->{"_oc_numattr_"}++;
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}
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}
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#############################################################################
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# Fetch method, this is case insensitive (since LDAP is...).
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#
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sub FETCH
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{
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my ($self, $attr) = ($_[$[], lc $_[$[ + 1]);
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return unless defined($self->{$attr});
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return if defined($self->{"_${attr}_deleted_"});
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return $self->{$attr};
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}
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#############################################################################
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# Delete method, to keep track of changes. Note that we actually don't
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# delete the attribute, just mark it as deleted. Now, the $1M question is,
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# why don't we delete this? Seriously guys, this looks wrong...
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#
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sub DELETE
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{
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my ($self, $attr) = ($_[$[], lc $_[$[ + 1]);
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return unless (defined($attr) && ($attr ne ""));
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return unless defined($self->{$attr});
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if ($attr =~ /^_.+_$/)
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{
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delete $self->{$attr};
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}
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else
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{
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$self->{"_${attr}_deleted_"} = 1;
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}
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}
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#############################################################################
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# See if an attribute/key exists in the entry (could still be undefined).
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# The exists() (lowercase) is a kludge, kept for backward compatibility.
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# Please use the EXISTS method (or just exists ... instead).
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#
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sub EXISTS
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{
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my ($self, $attr) = ($_[$[], lc $_[$[ + 1]);
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return 0 unless (defined($attr) && ($attr ne ""));
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return 0 if defined($self->{"_${attr}_deleted_"});
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return exists $self->{$attr};
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}
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sub exists
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{
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my ($self, $attr) = @_;
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return exists $self->{$attr};
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}
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#############################################################################
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# Reset the each()/key() session, and return the first key. This honors
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# the oc_order, i.e. the order the attributes were returned in.
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#
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sub FIRSTKEY
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{
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my ($self) = ($_[$[]);
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$self->{"_oc_keyidx_"} = 0;
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return $self->NEXTKEY();
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}
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#############################################################################
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# Get the next key, if appropriate.
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#
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sub NEXTKEY
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{
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my ($self) = $_[$[];
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my ($idx) = $self->{"_oc_keyidx_"};
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my (@attrs, $key);
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return unless defined($self->{"_oc_order_"});
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@attrs = @{$self->{"_oc_order_"}};
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while ($idx < $self->{"_oc_numattr_"})
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{
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$key = $attrs[$idx++];
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next if ($key =~ /^_.+_$/);
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next if defined($self->{"_${key}_deleted_"});
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last;
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}
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$self->{"_oc_keyidx_"} = $idx;
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return unless (defined($key) && ($key ne ""));
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return if ($key =~ /^_.+_$/);
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return if defined($self->{"_${key}_deleted_"});
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return $key;
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}
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#############################################################################
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# Mark an attribute as changed. Normally you shouldn't have to use this,
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# unless you're doing something really weird...
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#
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sub attrModified
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{
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my ($self, $attr) = ($_[$[], lc $_[$[ + 1]);
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return 0 unless (defined($attr) && ($attr ne ""));
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return 0 unless defined($self->{$attr});
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return 0 if defined($self->{"_${attr}_deleted_"});
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return 0 if ($attr eq "dn");
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$self->{"_${attr}_save_"} = [ @{$self->{$attr}} ]
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unless defined($self->{"_${attr}_save_"});
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$self->{"_${attr}_modified_"} = 1;
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delete $self->{"_${attr}_deleted_"}
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if defined($self->{"_${attr}_deleted_"});
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return 1;
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}
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*markModified = \*attrModified;
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#############################################################################
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# Mark an attribute as "clean", meaning nothing has been changed in it.
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# You should probably not use this method, unless you really know what
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# you are doing... It is however used heavily by the Conn.pm package.
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#
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sub attrClean
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{
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my ($self, $attr) = ($_[$[], lc $_[$[ + 1]);
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return 0 unless (defined($attr) && ($attr ne ""));
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return 0 if ($attr eq "dn");
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delete $self->{"_${attr}_modified_"}
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if defined($self->{"_${attr}_modified_"});
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delete $self->{"_${attr}_deleted_"}
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if defined($self->{"_${attr}_deleted_"});
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if (defined($self->{"_${attr}_save_"}))
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{
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undef @{$self->{"_${attr}_save_"}};
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delete $self->{"_${attr}_save_"};
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}
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}
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#############################################################################
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# Ask if a particular attribute has been modified already. Return True or
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# false depending on the internal status of the attribute.
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#
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sub isModified
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{
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my ($self, $attr) = ($_[$[], lc $_[$[ + 1]);
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return 0 unless (defined($attr) && ($attr ne ""));
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return 0 unless defined($self->{$attr});
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return 0 unless defined($self->{"_${attr}_modified_"});
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return 1;
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}
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#############################################################################
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# Ask if a particular attribute has been deleted already. Return True or
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# false depending on the internal status of the attribute.
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#
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sub isDeleted
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{
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my ($self, $attr) = ($_[$[], lc $_[$[ + 1]);
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return 0 unless (defined($attr) && ($attr ne ""));
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return 0 unless defined($self->{"_${attr}_deleted_"});
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return 1;
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}
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#############################################################################
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# Test if a attribute name is actually a real attribute, and not part of
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# the internal structures.
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#
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sub isAttr
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{
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my ($self, $attr) = ($_[$[], lc $_[$[ + 1]);
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return 0 unless (defined($attr) && ($attr ne ""));
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return 0 unless defined($self->{$attr});
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return 0 if defined($self->{"_${attr}_deleted_"});
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return ($attr !~ /^_.+_$/);
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}
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#############################################################################
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# Remove an attribute from the entry, basically the same as the DELETE
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# method. We also make an alias for "delete" here, just in case (and to be
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# somewhat backward compatible).
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#
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sub remove
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{
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my ($self, $attr) = ($_[$[], lc $_[$[ + 1]);
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return 0 unless (defined($attr) && ($attr ne ""));
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return 0 unless defined($self->{$attr});
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$self->{"_${attr}_deleted_"} = 1;
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return 1;
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}
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*delete = \*remove;
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#############################################################################
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# Move (rename) an attribute, return TRUE or FALSE depending on the outcome.
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# The first argument is the name of the old attribute (e.g. CN), and the last
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# argument is the new name (e.g. SN). Note that the "new" attribute can not
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# already exist, and the old attribute must exist.
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#
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# The "force" argument can be used to override the check if the new
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# attribute already exists. This is potentially dangerous.
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#
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sub move
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{
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my ($self, $old, $new, $force) = ($_[$[], lc $_[$[ + 1], lc $_[$[ + 2],
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$_[$[ + 3]);
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return 0 if ($self->isAttr($new) && (!defined($force) || !$force));
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return 0 unless $self->isAttr($old);
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$self->setValues($new, @{$self->{$old}}) || return 0;
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$self->remove($old);
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return 1;
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}
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*rename = \*move;
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#############################################################################
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# Copy an attribute, return TRUE or FALSE depending on the outcome. This
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# is almost identical to the move method, except we don't delete the source.
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#
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sub copy
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{
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my ($self, $old, $new, $force) = ($_[$[], lc $_[$[ + 1], lc $_[$[ + 2],
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$_[$[ + 3]);
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return 0 if ($self->isAttr($new) && (!defined($force) || !$force));
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return 0 unless $self->isAttr($old);
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$self->setValues($new, @{$self->{$old}}) || return 0;
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return 1;
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}
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#############################################################################
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# Undo a remove(), or set of removeValues() fairly useless, to restore an
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# attribute to it's original state. This is fairly useless, but hey...
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#
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sub unRemove
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{
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my ($self, $attr) = ($_[$[], lc $_[$[ + 1]);
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return 0 unless (defined($attr) && ($attr ne ""));
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return 0 unless defined($self->{$attr});
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return 0 if ($attr eq "dn");
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# ToDo: We need to verify that this sucker works...
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delete $self->{"_${attr}_deleted_"};
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if (defined($self->{"_${attr}_save_"}))
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{
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undef @{$self->{$attr}};
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$self->{$attr} = [ @{$self->{"_${attr}_save_"}} ];
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undef @{$self->{"_${attr}_save_"}};
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delete $self->{"_${attr}_save_"};
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}
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return 1;
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}
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*unDelete = \*unRemove;
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#############################################################################
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# Delete a value from an attribute, if it exists. NOTE: If it was the last
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# value, we'll actually remove the entire attribute! We should then also
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# remove it from the _oc_order_ list...
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#
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sub removeValue
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{
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my ($self, $attr, $val, $norm) = ($_[$[], lc $_[$[ + 1], $_[$[ + 2],
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$_[$[ + 3]);
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my ($i) = 0;
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my ($attrval);
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local $_;
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return 0 unless (defined($val) && ($val ne ""));
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return 0 unless (defined($attr) && ($attr ne ""));
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return 0 unless defined($self->{$attr});
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return 0 if ($attr eq "dn");
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$val = normalizeDN($val) if (defined($norm) && $norm);
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$self->{"_${attr}_save_"} = [ @{$self->{$attr}} ] unless
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defined($self->{"_${attr}_save_"});
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foreach $attrval (@{$self->{$attr}})
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{
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$_ = ((defined($norm) && $norm) ? normalizeDN($attrval) : $attrval);
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if ($_ eq $val)
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{
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splice(@{$self->{$attr}}, $i, 1);
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if ($self->size($attr) > 0)
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{
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$self->{"_${attr}_modified_"} = 1;
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}
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else
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{
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$self->{"_${attr}_deleted_"} = 1;
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}
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return 1;
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}
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$i++;
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}
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return 0;
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}
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*deleteValue = \*removeValue;
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#############################################################################
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# Just like removeValue(), but force the DN normalization of the value.
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#
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sub removeDNValue
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{
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my ($self, $attr, $val) = ($_[$[], lc $_[$[ + 1], $_[$[ + 2]);
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return $self->removeValue($attr, $val, 1);
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}
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*deleteDNValue = \*removeDNValue;
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#############################################################################
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# Add a value to an attribute. The optional third argument indicates that
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# we should not enforce the uniqueness on this attibute, thus bypassing
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# the test and always add the value.
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#
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sub addValue
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{
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my ($self) = shift;
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my ($attr, $val, $force, $norm) = (lc $_[$[], $_[$[ + 1], $_[$[ + 2],
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$_[$[ + 3]);
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my ($attrval);
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local $_;
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return 0 unless (defined($val) && ($val ne ""));
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return 0 unless (defined($attr) && ($attr ne ""));
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return 0 if ($attr eq "dn");
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if (defined($self->{$attr}) && (!defined($force) || !$force))
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{
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my ($nval) = $val;
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$nval = normalizeDN($val) if (defined($norm) && $norm);
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foreach $attrval (@{$self->{$attr}})
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{
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$_ = ((defined($norm) && $norm) ? normalizeDN($attrval) : $attrval);
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return 0 if ($_ eq $nval);
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}
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}
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if (defined($self->{$attr}))
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{
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$self->{"_${attr}_save_"} = [ @{$self->{$attr}} ]
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unless defined($self->{"_${attr}_save_"});
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}
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else
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{
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$self->{"_${attr}_save_"} = []
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unless defined($self->{"_${attr}_save_"});
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}
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$self->{"_${attr}_modified_"} = 1;
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if (defined($self->{"_${attr}_deleted_"}))
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{
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delete $self->{"_${attr}_deleted_"};
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$self->{$attr} = [$val];
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}
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else
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{
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push(@{$self->{$attr}}, $val);
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}
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# Potentially add the attribute to the OC order list.
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if (! grep(/^$attr$/i, @{$self->{"_oc_order_"}}))
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{
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push(@{$self->{"_oc_order_"}}, $attr);
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$self->{"_oc_numattr_"}++;
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}
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return 1;
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}
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#############################################################################
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# Just like addValue(), but force the DN normalization of the value. Note
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# that we also have an $norm argument here, to normalize the DN value
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# before we add it.
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#
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sub addDNValue
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{
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my ($self) = shift;
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my ($attr, $val, $force, $norm) = (lc $_[$[], $_[$[ + 1], $_[$[ + 2],
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$_[$[ + 3]);
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$val = normalizeDN($val) if (defined($norm) && $norm);
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return $self->addValue($attr, $val, $force, 1);
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}
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#############################################################################
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# Set the entire value of an attribute, removing whatever was already set.
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# The arguments are the name of the attribute, and then one or more values,
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# passed as scalar or an array (not pointer).
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#
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sub setValues
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{
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my ($self, $attr) = (shift, lc shift);
|
|
my (@vals) = @_;
|
|
|
|
local $_;
|
|
|
|
return 0 unless ($#vals >= $[);
|
|
return 0 unless (defined($attr) && ($attr ne ""));
|
|
return 0 if ($attr eq "dn");
|
|
|
|
if (defined($self->{$attr}))
|
|
{
|
|
$self->{"_self_obj_"}->{"_${attr}_save_"} = [ @{$self->{$attr}} ]
|
|
unless defined($self->{"_${attr}_save_"});
|
|
}
|
|
else
|
|
{
|
|
$self->{"_self_obj_"}->{"_${attr}_save_"} = [ ]
|
|
unless defined($self->{"_${attr}_save_"});
|
|
}
|
|
|
|
$self->{$attr} = [ @vals ];
|
|
$self->{"_${attr}_modified_"} = 1;
|
|
|
|
delete $self->{"_${attr}_deleted_"}
|
|
if defined($self->{"_${attr}_deleted_"});
|
|
|
|
if (! grep(/^$attr$/i, @{$self->{"_oc_order_"}}))
|
|
{
|
|
push(@{$self->{"_oc_order_"}}, $attr);
|
|
$self->{"_oc_numattr_"}++;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
*setValue = \*setValues;
|
|
|
|
|
|
#############################################################################
|
|
# Get the entire array of attribute values. This returns the array, not
|
|
# the pointer to the array...
|
|
#
|
|
sub getValues
|
|
{
|
|
my ($self, $attr) = (shift, lc shift);
|
|
|
|
return unless (defined($attr) && ($attr ne ""));
|
|
return unless defined($self->{$attr});
|
|
|
|
return @{$self->{$attr}};
|
|
}
|
|
*getValue = \*getValues;
|
|
|
|
|
|
#############################################################################
|
|
# Return TRUE or FALSE, if the attribute has the specified value. The
|
|
# optional third argument says we should do case insensitive search.
|
|
#
|
|
sub hasValue
|
|
{
|
|
my ($self, $attr, $val, $nocase, $norm) = @_;
|
|
my ($attrval);
|
|
local $_;
|
|
|
|
return 0 unless (defined($val) && ($val ne ""));
|
|
return 0 unless (defined($attr) && ($attr ne ""));
|
|
return 0 unless defined($self->{$attr});
|
|
|
|
$val = normalizeDN($val) if (defined($norm) && $norm);
|
|
if ($nocase)
|
|
{
|
|
foreach $attrval (@{$self->{$attr}})
|
|
{
|
|
$_ = ((defined($norm) && $norm) ? normalizeDN($attrval) : $attrval);
|
|
return 1 if /^\Q$val\E$/i;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
foreach $attrval (@{$self->{$attr}})
|
|
{
|
|
$_ = ((defined($norm) && $norm) ? normalizeDN($attrval) : $attrval);
|
|
return 1 if /^\Q$val\E$/;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#############################################################################
|
|
# Just like hasValue(), but force the DN normalization of the value.
|
|
#
|
|
sub hasDNValue
|
|
{
|
|
my ($self, $attr, $val, $nocase) = @_;
|
|
|
|
return $self->hasValue($attr, $val, $nocase, 1);
|
|
}
|
|
|
|
|
|
#############################################################################
|
|
# Return TRUE or FALSE, if the attribute matches the specified regexp. The
|
|
# optional third argument says we should do case insensitive search, and the
|
|
# optional fourth argument indicates we should normalize for DN matches.
|
|
#
|
|
sub matchValue
|
|
{
|
|
my ($self, $attr, $reg, $nocase, $norm) = @_;
|
|
my ($attrval);
|
|
|
|
return 0 unless (defined($reg) && ($reg ne ""));
|
|
return 0 unless (defined($attr) && ($attr ne ""));
|
|
return 0 unless defined($self->{$attr});
|
|
|
|
if ($nocase)
|
|
{
|
|
foreach $attrval (@{$self->{$attr}})
|
|
{
|
|
$_ = ((defined($norm) && $norm) ? normalizeDN($attrval) : $attrval);
|
|
return 1 if /$reg/i;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
foreach $attrval (@{$self->{$attr}})
|
|
{
|
|
$_ = ((defined($norm) && $norm) ? normalizeDN($attrval) : $attrval);
|
|
return 1 if /$reg/;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#############################################################################
|
|
# Just like matchValue(), but force the DN normalization of the values.
|
|
#
|
|
sub matchDNValue
|
|
{
|
|
my ($self, $attr, $reg, $nocase) = @_;
|
|
|
|
return $self->matchValue($attr, $reg, $nocase, 1);
|
|
}
|
|
|
|
|
|
#############################################################################
|
|
# Set the DN of this entry.
|
|
#
|
|
sub setDN
|
|
{
|
|
my ($self, $val, $norm) = @_;
|
|
|
|
return 0 unless (defined($val) && ($val ne ""));
|
|
|
|
$val = normalizeDN($val) if (defined($norm) && $norm);
|
|
$self->{"dn"} = $val;
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
#############################################################################
|
|
# Get the DN of this entry.
|
|
#
|
|
sub getDN
|
|
{
|
|
my ($self, $norm) = @_;
|
|
|
|
return normalizeDN($self->{"dn"}) if (defined($norm) && $norm);
|
|
return $self->{"dn"};
|
|
}
|
|
|
|
|
|
#############################################################################
|
|
#
|
|
# Return the number of elements in an attribute.
|
|
#
|
|
sub size
|
|
{
|
|
my ($self, $attr) = ($_[$[], lc $_[$[ + 1]);
|
|
|
|
return 0 unless (defined($attr) && ($attr ne ""));
|
|
return 0 unless defined($self->{$attr});
|
|
|
|
return scalar(@{$self->{$attr}});
|
|
}
|
|
|
|
|
|
#############################################################################
|
|
#
|
|
# Return LDIF entries.
|
|
#
|
|
sub getLDIFrecords # called from LDIF.pm (at least)
|
|
{
|
|
my ($self) = @_;
|
|
my (@record) = (dn => $self->getDN());
|
|
my ($attr, $values);
|
|
|
|
while (($attr, $values) = each %$self)
|
|
{
|
|
next if "dn" eq lc $attr; # this shouldn't happen; should it?
|
|
push @record, ($attr => $values);
|
|
# This is dangerous: @record and %$self now both contain
|
|
# references to @$values. To avoid this, copy it:
|
|
# push @record, ($attr => [@$values]);
|
|
# But that's not necessary, because the array and its
|
|
# contents are not modified as a side-effect of getting
|
|
# other attributes, from this or other objects.
|
|
}
|
|
|
|
return \@record;
|
|
}
|
|
|
|
|
|
#############################################################################
|
|
# Print an entry, in LDIF format.
|
|
#
|
|
use vars qw($_no_LDIF_module $_tested_LDIF_module);
|
|
undef $_no_LDIF_module;
|
|
undef $_tested_LDIF_module;
|
|
|
|
sub printLDIF
|
|
{
|
|
my ($self) = @_;
|
|
|
|
|
|
if (not defined($_tested_LDIF_module))
|
|
{
|
|
eval {require Mozilla::LDAP::LDIF; Mozilla::LDAP::LDIF->VERSION(0.07)};
|
|
$_no_LDIF_module = $@;
|
|
$_tested_LDIF_module = 1;
|
|
}
|
|
|
|
if ($_no_LDIF_module)
|
|
{
|
|
my ($record) = $self->getLDIFrecords();
|
|
my ($attr, $values);
|
|
|
|
while (($attr, $values) = splice @$record, 0, 2)
|
|
{
|
|
grep((print "$attr: $_\n"),
|
|
((ref($values) eq "ARRAY") ? @$values : $values));
|
|
}
|
|
|
|
print "\n";
|
|
}
|
|
else
|
|
{
|
|
Mozilla::LDAP::LDIF::put_LDIF(select(), 78, $self);
|
|
}
|
|
}
|
|
|
|
|
|
#############################################################################
|
|
# Mandatory TRUE return value.
|
|
#
|
|
1;
|
|
|
|
|
|
#############################################################################
|
|
# POD documentation...
|
|
#
|
|
__END__
|
|
|
|
=head1 NAME
|
|
|
|
Mozilla::LDAP::Entry.pm - Object class to hold one LDAP entry.
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
use Mozilla::LDAP::Conn;
|
|
use Mozilla::LDAP::Entry;
|
|
|
|
=head1 ABSTRACT
|
|
|
|
The LDAP::Conn object is used to perform LDAP searches, updates, adds and
|
|
deletes. All such functions works on LDAP::Entry objects only. All
|
|
modifications and additions you'll do to an LDAP entry, will be done
|
|
through this object class.
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
The LDAP::Entry object class is built on top of the Tie::Hash standard
|
|
object class. This gives us several powerful features, the main one being
|
|
to keep track of what is changing in the LDAP entry. This makes it very
|
|
easy to write LDAP clients that needs to update/modify entries, since
|
|
you'll just do the changes, and this object class will take care of the
|
|
rest.
|
|
|
|
We define local functions for STORE, FETCH, DELETE, EXISTS, FIRSTKEY and
|
|
NEXTKEY in this object class, and inherit the rest from the super
|
|
class. Overloading these specific functions is how we can keep track of
|
|
what is changing in the entry, which turns out to be very convenient. We
|
|
can also easily "loop" over the attribute types, ignoring internal data,
|
|
or deleted attributes.
|
|
|
|
Most of the methods here either return the requested LDAP value, or a
|
|
status code. The status code (either 0 or 1) indicates the failure or
|
|
success of a certain operation. 0 (False) meaning the operation failed,
|
|
and a return code of 1 (True) means complete success.
|
|
|
|
One thing to remember is that in LDAP, attribute names are case
|
|
insensitive. All methods in this class are aware of this, and will convert
|
|
all attribute name arguments to lower case before performing any
|
|
operations. This does not mean that the values are case insensitive. On
|
|
the contrary, all values are considered case sensitive by this module,
|
|
even if the LDAP server itself treats it as a CIS attribute.
|
|
|
|
=head1 OBJECT CLASS METHODS
|
|
|
|
The LDAP::Entry class implements many methods you can use to access and
|
|
modify LDAP entries. It is strongly recommended that you use this API as
|
|
much as possible, and avoid using the internals of the class
|
|
directly. Failing to do so may actually break the functionality.
|
|
|
|
=head2 Creating a new entry
|
|
|
|
To create a completely new entry, use the B<new> method, for instance
|
|
|
|
$entry = new Mozilla::LDAP::Entry()
|
|
$entry->setDN("uid=leif,ou=people,dc=netscape,dc=com");
|
|
$entry->{objectclass} = [ "top", "person", "inetOrgPerson" ];
|
|
$entry->addValue("cn", "Leif Hedstrom");
|
|
$entry->addValue("sn", "Hedstrom");
|
|
$entry->addValue("givenName", "Leif");
|
|
$entry->addValue("mail", "leif@netscape.com);
|
|
|
|
$conn->add($entry);
|
|
|
|
This is the minimum requirements for an LDAP entry. It must have a DN, and
|
|
it must have at least one objectclass. As it turns out, by adding the
|
|
I<person> and I<inetOrgPerson> classes, we also must provide some more
|
|
attributes, like I<CN> and I<SN>. This is because the object classes have
|
|
these attributes marked as "required", and we'd get a schema violation
|
|
without those values.
|
|
|
|
In the example above we use both native API methods to add values, and
|
|
setting an attribute entire value set directly. Note that the value set is
|
|
a pointer to an array, and not the array itself. In the example above, the
|
|
object classes are set using an anonymous array, which the API handles
|
|
properly. It's important to be aware that the attribute value list is
|
|
indeed a pointer.
|
|
|
|
Finally, as you can see there's only only one way to add new LDAP entries,
|
|
and it's called add(). It normally takes an LDAP::Entry object instance as
|
|
argument, but it can also be called with a regular hash array if so
|
|
desired.
|
|
|
|
=head2 Adding and removing attributes and values
|
|
|
|
This is the main functionality of this module. Use these methods to do any
|
|
modifications and updates to your LDAP entries.
|
|
|
|
=over 13
|
|
|
|
=item B<addDNValue>
|
|
|
|
Just like B<addValue>, except this method assume the value is a DN
|
|
attribute. For instance
|
|
|
|
$dn = "uid=Leif, dc=Netscape, dc=COM";
|
|
$entry->addDNValue("uniqueMember", $dn);
|
|
|
|
|
|
will only add the DN for "uid=leif" if it does not exist as a DN in the
|
|
uniqueMember attribute.
|
|
|
|
=item B<addValue>
|
|
|
|
Add a value to an attribute. If the attribute value already exists, or we
|
|
couldn't add the value for any other reason, we'll return FALSE (0),
|
|
otherwise we return TRUE (1). The first two arguments are the attribute
|
|
name, and the value to add.
|
|
|
|
The optional third argument is a flag, indicating that we want to add the
|
|
attribute without checking for duplicates. This is useful if you know the
|
|
values are unique already, or if you perhaps want to allow duplicates for
|
|
a particular attribute. To add a CN to an existing entry/attribute, do:
|
|
|
|
$entry->addValue("cn", "Leif Hedstrom");
|
|
|
|
=item B<attrModified>
|
|
|
|
This is an internal function, that can be used to force the API to
|
|
consider an attribute (value) to have been modified. The only argument is
|
|
the name of the attribute. In almost all situation, you never, ever,
|
|
should call this. If you do, please contact the developers, and as us to
|
|
fix the API. Example
|
|
|
|
$entry->attrModified("cn");
|
|
|
|
=item B<copy>
|
|
|
|
Copy the value of one attribute to another. Requires at least two
|
|
arguments. The first argument is the name of the attribute to copy, and
|
|
the second argument is the name of the new attribute to copy to. The new
|
|
attribute can not currently exist in the entry, else the copy will fail.
|
|
There is an optional third argument (a boolean flag), which, when set to
|
|
1, will force an
|
|
override and copy to the new attribute even if it already exists. Returns TRUE if the copy
|
|
was successful.
|
|
|
|
$entry->copy("cn", "description");
|
|
|
|
=item B<exists>
|
|
|
|
Return TRUE if the specified attribute is defined in the LDAP entry. This
|
|
is useful to know if an entry has a particular attribute, regardless of
|
|
the value. For instance:
|
|
|
|
if ($entry->exists("jpegphoto")) { # do something special }
|
|
|
|
=item B<getDN>
|
|
|
|
Return the DN for the entry. For instance
|
|
|
|
print "The DN is: ", $entry->getDN(), "\n";
|
|
|
|
Just like B<setDN>, this method also has an optional argument, which
|
|
indicates we should normalize the DN before returning it to the caller.
|
|
|
|
=item B<getValues>
|
|
|
|
Returns an entire array of values for the attribute specified. Note that
|
|
this returns an array, and not a pointer to an array.
|
|
|
|
@someArray = $entry->getValues("description");
|
|
|
|
=item B<hasValue>
|
|
|
|
Return TRUE or FALSE if the attribute has the specified value. A typical
|
|
usage is to see if an entry is of a certain object class, e.g.
|
|
|
|
if ($entry->hasValue("objectclass", "person", 1)) { # do something }
|
|
|
|
The (optional) third argument indicates if the string comparison should be
|
|
case insensitive or not, and the (optional) fourth argument indicats
|
|
wheter we should normalize the string as if it was a DN. The first two
|
|
arguments are the name and value of the attribute, respectively.
|
|
|
|
=item B<hasDNValue>
|
|
|
|
Exactly like B<hasValue>, except we assume the attribute values are DN
|
|
attributes.
|
|
|
|
=item B<isAttr>
|
|
|
|
This method can be used to decide if an attribute name really is a valid
|
|
LDAP attribute in the current entry. Use of this method is fairly limited,
|
|
but could potentially be useful. Usage is like previous examples, like
|
|
|
|
if ($entry->isAttr("cn")) { # do something }
|
|
|
|
The code section will only be executed if these criterias are true:
|
|
|
|
1. The name of the attribute is a non-empty string.
|
|
2. The name of the attribute does not begin, and end, with an
|
|
underscore character (_).
|
|
2. The attribute has one or more values in the entry.
|
|
|
|
=item B<isDeleted>
|
|
|
|
This is almost identical to B<isModified>, except it tests if an attribute
|
|
has been deleted. You use it the same way as above, like
|
|
|
|
if (! $entry->isDeleted("cn")) { # do something }
|
|
|
|
=item B<isModified>
|
|
|
|
This is a somewhat more useful method, which will return the internal
|
|
modification status of a particular attribute. The argument is the name of
|
|
the attribute, and the return value is True or False. If the attribute has
|
|
been modified, in any way, we return True (1), otherwise we return False
|
|
(0). For example:
|
|
|
|
if ($entry->isModified("cn")) { # do something }
|
|
|
|
=item B<matchValue>
|
|
|
|
This is very similar to B<hasValue>, except it does a regular expression
|
|
match instead of a full string match. It takes the same arguments,
|
|
including the optional third argument to specify case insensitive
|
|
matching. The usage is identical to the example for hasValue, e.g.
|
|
|
|
if ($entry->matchValue("objectclass", "pers", 1)) { # do something }
|
|
|
|
=item B<matchDNValue>
|
|
|
|
Like B<matchValue>, except the attribute values are considered being DNs.
|
|
|
|
=item B<move>
|
|
|
|
Identical to the copy method, except the original attribute is
|
|
deleted once the move to the new attribute is complete.
|
|
|
|
$entry->move("cn", "sn");
|
|
|
|
=item B<printLDIF>
|
|
|
|
Print the entry in a format called LDIF (LDAP Data Interchange
|
|
Format, RFC xxxx). An example of an LDIF entry is:
|
|
|
|
dn: uid=leif,ou=people,dc=netscape,dc=com
|
|
objectclass: top
|
|
objectclass: person
|
|
objectclass: inetOrgPerson
|
|
uid: leif
|
|
cn: Leif Hedstrom
|
|
mail: leif@netscape.com
|
|
|
|
The above would be the result of
|
|
|
|
$entry->printLDIF();
|
|
|
|
If you need to write to a file, open and then select() it.
|
|
For more useful LDIF functionality, check out the
|
|
Mozilla::LDAP::LDIF.pm module.
|
|
|
|
=item B<remove>
|
|
|
|
This will remove the entire attribute, including all it's values, from the
|
|
entry. The only argument is the name of the attribute to remove. Let's say
|
|
you want to nuke all I<mailAlternateAddress> values (i.e. the entire
|
|
attribute should be removed from the entry):
|
|
|
|
$entry->remove("mailAlternateAddress");
|
|
|
|
=item B<removeValue>
|
|
|
|
Remove a value from an attribute, if it exists. Of course, if the
|
|
attribute has no such value, we won't try to remove it, and instead return
|
|
a False (0) status code. The arguments are the name of the attribute, and
|
|
the particular value to remove. Note that values are considered case
|
|
sensitive, so make sure you preserve case properly. An example is:
|
|
|
|
$entry->removeValue("objectclass", "nscpPerson");
|
|
|
|
=item B<removeDNValue>
|
|
|
|
This is almost identical to B<removeValue>, except it will normalize the
|
|
attribute values before trying to remove them. This is useful if you know
|
|
that the attribute is a DN value, but perhaps the values are not cosistent
|
|
in all LDAP entries. For example
|
|
|
|
$dn = "uid=Leif, dc=Netscape, dc=COM";
|
|
$entry->removeDNValue("owner", $dn);
|
|
|
|
|
|
will remove the owner "uid=leif,dc=netscape,dc=com", no matter how it's
|
|
capitalized and formatted in the entry.
|
|
|
|
=item B<setDN>
|
|
|
|
Set the DN to the specified value. Only do this on new entries, it will
|
|
not work well if you try to do this on an existing entry. If you wish to
|
|
rename an entry, use the Mozilla::Conn::modifyRDN method instead.
|
|
Eventually we'll provide a complete "rename" method. To set the DN for a
|
|
newly created entry, we can do
|
|
|
|
$entry->setDN("uid=leif,ou=people,dc=netscape,dc=com");
|
|
|
|
There is an optional third argument, a boolean flag, indicating that we
|
|
should normalize the DN before setting it. This will assure a consistent
|
|
format of your DNs.
|
|
|
|
=item B<setValues>
|
|
|
|
Set the specified attribute to the new value (or values), overwriting
|
|
whatever old values it had before. This is a little dangerous, since you
|
|
can lose attribute values you didn't intend to remove. Therefore, it's
|
|
usually recommended to use B<removeValue()> and B<setValues()>. If you know
|
|
exactly what the new values should be like, you can use this method like
|
|
|
|
$entry->setValues("cn", "Leif Hedstrom", "The Swede");
|
|
$entry->setValues("mail", @mailAddresses);
|
|
|
|
or if it's a single value attribute,
|
|
|
|
$entry->setValues("uidNumber", "12345");
|
|
|
|
=item B<size>
|
|
|
|
Return the number of values for a particular attribute. For instance
|
|
|
|
$entry->{cn} = [ "Leif Hedstrom", "The Swede" ];
|
|
$numVals = $entry->size("cn");
|
|
|
|
This will set C<$numVals> to two (2). The only argument is the name of the
|
|
attribute, and the return value is the size of the value array.
|
|
|
|
=back
|
|
|
|
=head2 Deleting entries
|
|
|
|
To delete an LDAP entry from the LDAP server, you have to use the
|
|
B<delete> method from the Mozilla::LDAP::Conn module. It will actually
|
|
delete any entry, if you provide an legitimate DN.
|
|
|
|
=head2 Renaming entries
|
|
|
|
Again, there's no functionality in this object class to rename the entry
|
|
(i.e. changing it's DN). For now, there is a way to modify the RDN
|
|
component of a DN through the Mozilla::LDAP::Conn module, with
|
|
B<modifyRDN>. Eventually we hope to have a complete B<rename> method,
|
|
which should be capable of renaming any entry, in any way, including
|
|
moving it to a different part of the DIT (Directory Information Tree).
|
|
|
|
=head1 EXAMPLES
|
|
|
|
There are plenty of examples to look at, in the examples directory. We are
|
|
adding more examples every day (almost).
|
|
|
|
=head1 INSTALLATION
|
|
|
|
Installing this package is part of the Makefile supplied in the
|
|
package. See the installation procedures which are part of this package.
|
|
|
|
=head1 AVAILABILITY
|
|
|
|
This package can be retrieved from a number of places, including:
|
|
|
|
http://www.mozilla.org/directory/
|
|
Your local CPAN server
|
|
|
|
=head1 CREDITS
|
|
|
|
Most of this code was developed by Leif Hedstrom, Netscape Communications
|
|
Corporation.
|
|
|
|
=head1 BUGS
|
|
|
|
None. :)
|
|
|
|
=head1 SEE ALSO
|
|
|
|
L<Mozilla::LDAP::Conn>, L<Mozilla::LDAP::API>, and of course L<Perl>.
|
|
|
|
=cut
|