| 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 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; |
Parent Directory
| 
Revision Log