/[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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Contents of /bin/ldap-rewrite.pl

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Revision 16 - (show annotations)
Sun Mar 15 21:20:35 2009 UTC (10 years, 2 months ago) by dpavlin
File MIME type: text/plain
File size: 3263 byte(s)
use ssl connection to upstream ldap

1 #!/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 IO::Socket::SSL;
13 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 use YAML qw/LoadFile/;
20
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
72 if(0) {
73 map {
74 if ( $_->{type} eq 'postalAddress' ) {
75 $_->{vals} = [ 'foobar' ];
76 }
77 } @{ $response->{protocolOp}->{searchResEntry}->{attributes} };
78 }
79
80 my $path = "yaml/$uid.yaml";
81 if ( -e $path ) {
82 my $data = LoadFile($path);
83 warn "# yaml = ",dump($data);
84
85 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 $pdu = $LDAPResponse->encode($response);
98 }
99
100 print dump($response);
101
102 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 $targetsock = IO::Socket::SSL->new("ldap.ffzg.hr:ldaps");
149
150 run_proxy($listenersock,$targetsock);
151
152 1;

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