/[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 16 - (hide annotations)
Sun Mar 15 21:20:35 2009 UTC (15 years ago) by dpavlin
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File size: 3263 byte(s)
use ssl connection to upstream ldap

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 dpavlin 16 use IO::Socket::SSL;
13 dpavlin 8 use warnings;
14     use Data::Dump qw/dump/;
15     use Convert::ASN1 qw(asn_read);
16     use Net::LDAP::ASN qw(LDAPRequest LDAPResponse);
17     our $VERSION = '0.2';
18     use fields qw(socket target);
19 dpavlin 10 use YAML qw/LoadFile/;
20 dpavlin 8
21     sub handle {
22     my $clientsocket=shift;
23     my $serversocket=shift;
24    
25     # read from client
26     asn_read($clientsocket, my $reqpdu);
27     log_request($reqpdu);
28    
29     return 1 unless $reqpdu;
30    
31     # send to server
32     print $serversocket $reqpdu or die "Could not send PDU to server\n ";
33    
34     # read from server
35     my $ready;
36     my $sel = IO::Select->new($serversocket);
37     for( $ready = 1 ; $ready ; $ready = $sel->can_read(0)) {
38     asn_read($serversocket, my $respdu) or return 1;
39     $respdu = log_response($respdu);
40     # and send the result to the client
41     print $clientsocket $respdu;
42     }
43    
44     return 0;
45     }
46    
47    
48     sub log_request {
49     my $pdu=shift;
50    
51     print '-' x 80,"\n";
52     print "Request ASN 1:\n";
53     Convert::ASN1::asn_hexdump(\*STDOUT,$pdu);
54     print "Request Perl:\n";
55     my $request = $LDAPRequest->decode($pdu);
56     print dump($request);
57     }
58    
59     sub log_response {
60     my $pdu=shift;
61    
62     print '-' x 80,"\n";
63     print "Response ASN 1:\n";
64     Convert::ASN1::asn_hexdump(\*STDOUT,$pdu);
65     print "Response Perl:\n";
66     my $response = $LDAPResponse->decode($pdu);
67    
68     if ( defined $response->{protocolOp}->{searchResEntry} ) {
69     my $uid = $response->{protocolOp}->{searchResEntry}->{objectName};
70     warn "## SEARCH $uid";
71 dpavlin 10
72     if(0) {
73 dpavlin 8 map {
74     if ( $_->{type} eq 'postalAddress' ) {
75     $_->{vals} = [ 'foobar' ];
76     }
77     } @{ $response->{protocolOp}->{searchResEntry}->{attributes} };
78 dpavlin 10 }
79 dpavlin 8
80 dpavlin 10 my $path = "yaml/$uid.yaml";
81     if ( -e $path ) {
82     my $data = LoadFile($path);
83     warn "# yaml = ",dump($data);
84 dpavlin 8
85 dpavlin 10 foreach my $type ( keys %$data ) {
86    
87     my $vals = $data->{$type};
88     $vals =~ s{#\s*$}{};
89    
90     my @vals = split(/\s*#\s*/, $vals);
91    
92     push @{ $response->{protocolOp}->{searchResEntry}->{attributes} },
93     { type => "ffzg-$type", vals => [ @vals ] };
94     }
95     }
96    
97 dpavlin 8 $pdu = $LDAPResponse->encode($response);
98     }
99    
100 dpavlin 10 print dump($response);
101    
102 dpavlin 8 return $pdu;
103     }
104    
105     sub run_proxy {
106     my $listenersock = shift;
107     my $targetsock=shift;
108    
109     die "Could not create listener socket: $!\n" unless $listenersock;
110     die "Could not create connection to server: $!\n" unless $targetsock;
111    
112     my $sel = IO::Select->new($listenersock);
113     my %Handlers;
114     while (my @ready = $sel->can_read) {
115     foreach my $fh (@ready) {
116     if ($fh == $listenersock) {
117     # let's create a new socket
118     my $psock = $listenersock->accept;
119     $sel->add($psock);
120     } else {
121     my $result = handle($fh,$targetsock);
122     if ($result) {
123     # we have finished with the socket
124     $sel->remove($fh);
125     $fh->close;
126     delete $Handlers{*$fh};
127     }
128     }
129     }
130     }
131     }
132    
133    
134     my $listenersock = IO::Socket::INET->new(
135     Listen => 5,
136     Proto => 'tcp',
137     Reuse => 1,
138     LocalPort => 1389
139     );
140    
141    
142     my $targetsock = new IO::Socket::INET (
143     Proto => 'tcp',
144     PeerAddr => 'ldap.ffzg.hr',
145     PeerPort => 389,
146     );
147    
148 dpavlin 16 $targetsock = IO::Socket::SSL->new("ldap.ffzg.hr:ldaps");
149    
150 dpavlin 8 run_proxy($listenersock,$targetsock);
151    
152     1;

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