/[virtual-ldap]/bin/ldap-rewrite.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Annotation of /bin/ldap-rewrite.pl

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Revision 8 - (hide annotations)
Sun Mar 15 18:53:37 2009 UTC (15 years ago) by dpavlin
File MIME type: text/plain
File size: 2898 byte(s)
simple-proxy.pl from Net::LDAP contrib which works
with Koha and rewrite search results

1 dpavlin 8 #!/usr/bin/perl
2     # Copyright (c) 2006 Hans Klunder <hans.klunder@bigfoot.com>. All rights reserved.
3     # This program is free software; you can redistribute it and/or
4     # modify it under the same terms as Perl itself.
5    
6    
7     use strict;
8     use warnings;
9    
10     use IO::Select;
11     use IO::Socket;
12     use warnings;
13     use Data::Dump qw/dump/;
14     use Convert::ASN1 qw(asn_read);
15     use Net::LDAP::ASN qw(LDAPRequest LDAPResponse);
16     our $VERSION = '0.2';
17     use fields qw(socket target);
18    
19     sub handle {
20     my $clientsocket=shift;
21     my $serversocket=shift;
22    
23     # read from client
24     asn_read($clientsocket, my $reqpdu);
25     log_request($reqpdu);
26    
27     return 1 unless $reqpdu;
28    
29     # send to server
30     print $serversocket $reqpdu or die "Could not send PDU to server\n ";
31    
32     # read from server
33     my $ready;
34     my $sel = IO::Select->new($serversocket);
35     for( $ready = 1 ; $ready ; $ready = $sel->can_read(0)) {
36     asn_read($serversocket, my $respdu) or return 1;
37     $respdu = log_response($respdu);
38     # and send the result to the client
39     print $clientsocket $respdu;
40     }
41    
42     return 0;
43     }
44    
45    
46     sub log_request {
47     my $pdu=shift;
48    
49     print '-' x 80,"\n";
50     print "Request ASN 1:\n";
51     Convert::ASN1::asn_hexdump(\*STDOUT,$pdu);
52     print "Request Perl:\n";
53     my $request = $LDAPRequest->decode($pdu);
54     print dump($request);
55     }
56    
57     sub log_response {
58     my $pdu=shift;
59    
60     print '-' x 80,"\n";
61     print "Response ASN 1:\n";
62     Convert::ASN1::asn_hexdump(\*STDOUT,$pdu);
63     print "Response Perl:\n";
64     my $response = $LDAPResponse->decode($pdu);
65     print dump($response);
66    
67     if ( defined $response->{protocolOp}->{searchResEntry} ) {
68     my $uid = $response->{protocolOp}->{searchResEntry}->{objectName};
69     warn "## SEARCH $uid";
70     map {
71     if ( $_->{type} eq 'postalAddress' ) {
72     $_->{vals} = [ 'foobar' ];
73     }
74     } @{ $response->{protocolOp}->{searchResEntry}->{attributes} };
75    
76     push @{ $response->{protocolOp}->{searchResEntry}->{attributes} },
77     { type => 'ffzg-datum_rodjenja', vals => [ '2009-01-01' ], }
78     ;
79    
80     $pdu = $LDAPResponse->encode($response);
81     }
82    
83     return $pdu;
84     }
85    
86     sub run_proxy {
87     my $listenersock = shift;
88     my $targetsock=shift;
89    
90     die "Could not create listener socket: $!\n" unless $listenersock;
91     die "Could not create connection to server: $!\n" unless $targetsock;
92    
93     my $sel = IO::Select->new($listenersock);
94     my %Handlers;
95     while (my @ready = $sel->can_read) {
96     foreach my $fh (@ready) {
97     if ($fh == $listenersock) {
98     # let's create a new socket
99     my $psock = $listenersock->accept;
100     $sel->add($psock);
101     } else {
102     my $result = handle($fh,$targetsock);
103     if ($result) {
104     # we have finished with the socket
105     $sel->remove($fh);
106     $fh->close;
107     delete $Handlers{*$fh};
108     }
109     }
110     }
111     }
112     }
113    
114    
115     my $listenersock = IO::Socket::INET->new(
116     Listen => 5,
117     Proto => 'tcp',
118     Reuse => 1,
119     LocalPort => 1389
120     );
121    
122    
123     my $targetsock = new IO::Socket::INET (
124     Proto => 'tcp',
125     PeerAddr => 'ldap.ffzg.hr',
126     PeerPort => 389,
127     );
128    
129     run_proxy($listenersock,$targetsock);
130    
131     1;

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