A3C/LDAP/Server.pm

package A3C::LDAP::Server;

use strict;
use warnings;

use Net::LDAP::Constant qw(
        LDAP_SUCCESS
        LDAP_STRONG_AUTH_NOT_SUPPORTED
        LDAP_UNAVAILABLE
        LDAP_OPERATIONS_ERROR
);
use Net::LDAP::Server;
use Net::LDAP::Filter;
use base 'Net::LDAP::Server';
use fields qw(upstream);

use A3C::LDAP;
use Data::Dump qw/dump/;

=head1 NAME

A3C::LDAP::Server

=cut

=head1 DESCRIPTION

Provide LDAP server functionality for L<A3C> somewhat similar to C<slapo-rwm>

=cut

use constant RESULT_OK => {
        'matchedDN' => '',
        'errorMessage' => '',
        'resultCode' => LDAP_SUCCESS
};

# constructor
sub new {
        my ($class, $sock) = @_;
        my $self = $class->SUPER::new($sock);
        printf "Accepted connection from: %s\n", $sock->peerhost();
        return $self;
}

# the bind operation
sub bind {
        my ($self,$req) = @_;

        warn "## bind req = ",dump($req);

        defined($req->{authentication}->{simple}) or return {
                matchedDN => '',
                errorMessage => '',
                resultCode => LDAP_STRONG_AUTH_NOT_SUPPORTED,
        };

        $self->{upstream} ||= A3C::LDAP->new->ldap or return {
                matchedDN => '',
                errorMessage => $@,
                resultCode => LDAP_UNAVAILABLE,
        };

#       warn "## upstream = ",dump( $self->{upstream} );
#       warn "upstream not Net::LDAP but ",ref($self->{upstream}) unless ref($self->{upstream}) eq 'Net::LDAP';

        return RESULT_OK;
}

# the search operation
sub search {
        my ($self,$req) = @_;

        warn "## search req = ",dump( $req );

        if ( ! $self->{upstream} ) {
                warn "search without bind";
                return {
                        matchedDN => '',
                        errorMessage => 'dude, bind first',
                        resultCode => LDAP_OPERATIONS_ERROR,
                };
        }

        my $filter;
        if (defined $req->{filter}) {
                # $req->{filter} is a ASN1-decoded tree; luckily, this is exactly the
                # internal representation Net::LDAP::Filter uses.  [FIXME] Eventually
                # Net::LDAP::Filter should provide a corresponding constructor.
                bless($req->{filter}, 'Net::LDAP::Filter');
                $filter = $req->{filter}->as_string;
#               $filter = '(&' . $req->{filter}->as_string
#                                          . '(objectClass=hrEduPerson)(host=aai.irb.hr))';
        }

        warn "search upstream for $filter\n";

        my $search = $self->{upstream}->search(
                base => $req->{baseObject},
                scope => $req->{scope},
                deref => $req->{derefAliases},
                sizelimit => $req->{sizeLimit},
                timelimit => $req->{timeLimit},
                typesonly => $req->{typesOnly},
                filter => $filter,
                attrs => $req->{attributes},
                raw => qr/.*/,
        );

#       warn "# search = ",dump( $search );

        if ( $search->code != LDAP_SUCCESS ) {
                warn "ERROR: ",$search->code,": ",$search->server_error;
                return {
                        matchedDN => '',
                        errorMessage => $search->server_error,
                        resultCode => $search->code,
                };
        };

        my @entries = $search->entries;
        warn "## got ", $search->count, " entries for $filter\n";
        foreach my $entry (@entries) {
#               $entry->changetype('add');  # Don't record changes.
#               foreach my $attr ($entry->attributes) {
#                       if ($attr =~ /;lang-en$/) { 
#                               $entry->delete($attr);
#                       }
#               }
        }

        warn "## entries = ",dump( @entries );
        return RESULT_OK, @entries;
}

# the rest of the operations will return an "unwilling to perform"

1;
1	dpavlin	222	package A3C::LDAP::Server;
2
3			use strict;
4			use warnings;
5
6	dpavlin	223	use Net::LDAP::Constant qw(
7			LDAP_SUCCESS
8			LDAP_STRONG_AUTH_NOT_SUPPORTED
9			LDAP_UNAVAILABLE
10			LDAP_OPERATIONS_ERROR
11			);
12	dpavlin	222	use Net::LDAP::Server;
13	dpavlin	223	use Net::LDAP::Filter;
14	dpavlin	222	use base 'Net::LDAP::Server';
15	dpavlin	223	use fields qw(upstream);
16	dpavlin	222
17	dpavlin	223	use A3C::LDAP;
18			use Data::Dump qw/dump/;
19
20	dpavlin	225	=head1 NAME
21
22			A3C::LDAP::Server
23
24			=cut
25
26			=head1 DESCRIPTION
27
28			Provide LDAP server functionality for L<A3C> somewhat similar to C<slapo-rwm>
29
30			=cut
31
32	dpavlin	222	use constant RESULT_OK => {
33			'matchedDN' => '',
34			'errorMessage' => '',
35			'resultCode' => LDAP_SUCCESS
36			};
37
38			# constructor
39			sub new {
40			my ($class, $sock) = @_;
41			my $self = $class->SUPER::new($sock);
42			printf "Accepted connection from: %s\n", $sock->peerhost();
43			return $self;
44			}
45
46			# the bind operation
47			sub bind {
48	dpavlin	223	my ($self,$req) = @_;
49
50			warn "## bind req = ",dump($req);
51
52			defined($req->{authentication}->{simple}) or return {
53			matchedDN => '',
54			errorMessage => '',
55			resultCode => LDAP_STRONG_AUTH_NOT_SUPPORTED,
56			};
57
58			$self->{upstream} \|\|= A3C::LDAP->new->ldap or return {
59			matchedDN => '',
60			errorMessage => $@,
61			resultCode => LDAP_UNAVAILABLE,
62			};
63
64	dpavlin	224	# warn "## upstream = ",dump( $self->{upstream} );
65	dpavlin	223	# warn "upstream not Net::LDAP but ",ref($self->{upstream}) unless ref($self->{upstream}) eq 'Net::LDAP';
66
67	dpavlin	222	return RESULT_OK;
68			}
69
70			# the search operation
71			sub search {
72	dpavlin	223	my ($self,$req) = @_;
73	dpavlin	222
74	dpavlin	223	warn "## search req = ",dump( $req );
75
76			if ( ! $self->{upstream} ) {
77			warn "search without bind";
78			return {
79			matchedDN => '',
80			errorMessage => 'dude, bind first',
81			resultCode => LDAP_OPERATIONS_ERROR,
82			};
83	dpavlin	222	}
84	dpavlin	223
85			my $filter;
86			if (defined $req->{filter}) {
87			# $req->{filter} is a ASN1-decoded tree; luckily, this is exactly the
88			# internal representation Net::LDAP::Filter uses. [FIXME] Eventually
89			# Net::LDAP::Filter should provide a corresponding constructor.
90			bless($req->{filter}, 'Net::LDAP::Filter');
91			$filter = $req->{filter}->as_string;
92			# $filter = '(&' . $req->{filter}->as_string
93			# . '(objectClass=hrEduPerson)(host=aai.irb.hr))';
94			}
95
96	dpavlin	224	warn "search upstream for $filter\n";
97	dpavlin	223
98			my $search = $self->{upstream}->search(
99			base => $req->{baseObject},
100			scope => $req->{scope},
101			deref => $req->{derefAliases},
102			sizelimit => $req->{sizeLimit},
103			timelimit => $req->{timeLimit},
104			typesonly => $req->{typesOnly},
105			filter => $filter,
106			attrs => $req->{attributes},
107			raw => qr/.*/,
108			);
109
110	dpavlin	224	# warn "# search = ",dump( $search );
111	dpavlin	223
112			if ( $search->code != LDAP_SUCCESS ) {
113			warn "ERROR: ",$search->code,": ",$search->server_error;
114			return {
115			matchedDN => '',
116			errorMessage => $search->server_error,
117			resultCode => $search->code,
118			};
119			};
120
121			my @entries = $search->entries;
122	dpavlin	224	warn "## got ", $search->count, " entries for $filter\n";
123	dpavlin	223	foreach my $entry (@entries) {
124	dpavlin	225	# $entry->changetype('add'); # Don't record changes.
125	dpavlin	223	# foreach my $attr ($entry->attributes) {
126			# if ($attr =~ /;lang-en$/) {
127			# $entry->delete($attr);
128			# }
129			# }
130			}
131
132			warn "## entries = ",dump( @entries );
133	dpavlin	222	return RESULT_OK, @entries;
134			}
135
136			# the rest of the operations will return an "unwilling to perform"
137
138			1;