67 |
# read from client |
# read from client |
68 |
asn_read($clientsocket, my $reqpdu); |
asn_read($clientsocket, my $reqpdu); |
69 |
if ( ! $reqpdu ) { |
if ( ! $reqpdu ) { |
70 |
warn "WARNING no reqpdu\n"; |
warn "client closed connection\n"; |
71 |
return 1; |
return 0; |
72 |
} |
} |
73 |
$reqpdu = log_request($reqpdu); |
$reqpdu = log_request($reqpdu); |
74 |
|
|
79 |
my $ready; |
my $ready; |
80 |
my $sel = IO::Select->new($serversocket); |
my $sel = IO::Select->new($serversocket); |
81 |
for( $ready = 1 ; $ready ; $ready = $sel->can_read(0)) { |
for( $ready = 1 ; $ready ; $ready = $sel->can_read(0)) { |
82 |
asn_read($serversocket, my $respdu) or return 1; |
asn_read($serversocket, my $respdu); |
83 |
|
if ( ! $respdu ) { |
84 |
|
warn "server closed connection\n"; |
85 |
|
return 0; |
86 |
|
} |
87 |
$respdu = log_response($respdu); |
$respdu = log_response($respdu); |
88 |
# and send the result to the client |
# and send the result to the client |
89 |
print $clientsocket $respdu; |
print $clientsocket $respdu || return 0; |
90 |
} |
} |
91 |
|
|
92 |
return 0; |
return 1; |
93 |
} |
} |
94 |
|
|
95 |
|
|
96 |
sub log_request { |
sub log_request { |
97 |
my $pdu=shift; |
my $pdu=shift; |
98 |
|
|
99 |
|
die "empty pdu" unless $pdu; |
100 |
|
|
101 |
# print '-' x 80,"\n"; |
# print '-' x 80,"\n"; |
102 |
# print "Request ASN 1:\n"; |
# print "Request ASN 1:\n"; |
103 |
# Convert::ASN1::asn_hexdump(\*STDOUT,$pdu); |
# Convert::ASN1::asn_hexdump(\*STDOUT,$pdu); |
122 |
|
|
123 |
sub log_response { |
sub log_response { |
124 |
my $pdu=shift; |
my $pdu=shift; |
125 |
|
die "empty pdu" unless $pdu; |
126 |
|
|
127 |
# print '-' x 80,"\n"; |
# print '-' x 80,"\n"; |
128 |
# print "Response ASN 1:\n"; |
# print "Response ASN 1:\n"; |
174 |
return $pdu; |
return $pdu; |
175 |
} |
} |
176 |
|
|
|
sub run_proxy { |
|
|
my $listenersock = shift; |
|
|
my $targetsock=shift; |
|
|
|
|
|
die "Could not create listener socket: $!\n" unless $listenersock; |
|
|
die "Could not create connection to server: $!\n" unless $targetsock; |
|
|
|
|
|
my $sel = IO::Select->new($listenersock); |
|
|
my %Handlers; |
|
|
while (my @ready = $sel->can_read) { |
|
|
foreach my $fh (@ready) { |
|
|
if ($fh == $listenersock) { |
|
|
# let's create a new socket |
|
|
my $psock = $listenersock->accept; |
|
|
$sel->add($psock); |
|
|
} else { |
|
|
my $result = handle($fh,$targetsock); |
|
|
if ($result) { |
|
|
# we have finished with the socket |
|
|
$sel->remove($fh); |
|
|
$fh->close; |
|
|
delete $Handlers{*$fh}; |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
|
|
|
177 |
|
|
178 |
my $listenersock = IO::Socket::INET->new( |
my $listenersock = IO::Socket::INET->new( |
179 |
Listen => 5, |
Listen => 5, |
182 |
LocalAddr => $config->{listen}, |
LocalAddr => $config->{listen}, |
183 |
) || die "can't open listen socket: $!"; |
) || die "can't open listen socket: $!"; |
184 |
|
|
185 |
|
our $server_sock; |
186 |
|
|
187 |
my $targetsock = $config->{upstream_ssl} |
sub connect_to_server { |
188 |
? IO::Socket::INET->new( |
my $sock; |
189 |
Proto => 'tcp', |
if ( $config->{upstream_ssl} ) { |
190 |
PeerAddr => $config->{upstream_ldap}, |
$sock = IO::Socket::SSL->new( $config->{upstream_ldap} . ':ldaps' ); |
191 |
PeerPort => 389, |
} else { |
192 |
) |
$sock = IO::Socket::INET->new( |
193 |
: IO::Socket::SSL->new( $config->{upstream_ldap} . ':ldaps') |
Proto => 'tcp', |
194 |
|| die "can't open upstream socket: $!"; |
PeerAddr => $config->{upstream_ldap}, |
195 |
|
PeerPort => 389, |
196 |
|
); |
197 |
|
} |
198 |
|
die "can't open ", $config->{upstream_ldap}, " $!\n" unless $sock; |
199 |
|
warn "## connected to ", $sock->peerhost, ":", $sock->peerport, "\n"; |
200 |
|
return $sock; |
201 |
|
} |
202 |
|
|
203 |
run_proxy($listenersock,$targetsock); |
my $sel = IO::Select->new($listenersock); |
204 |
|
while (my @ready = $sel->can_read) { |
205 |
|
foreach my $fh (@ready) { |
206 |
|
if ($fh == $listenersock) { |
207 |
|
# let's create a new socket |
208 |
|
my $psock = $listenersock->accept; |
209 |
|
$sel->add($psock); |
210 |
|
warn "## add $psock " . time; |
211 |
|
} else { |
212 |
|
$server_sock->{$fh} ||= connect_to_server; |
213 |
|
if ( ! handle($fh,$server_sock->{$fh}) ) { |
214 |
|
warn "## remove $fh " . time; |
215 |
|
$sel->remove($server_sock->{$fh}); |
216 |
|
$server_sock->{$fh}->close; |
217 |
|
delete $server_sock->{$fh}; |
218 |
|
# we have finished with the socket |
219 |
|
$sel->remove($fh); |
220 |
|
$fh->close; |
221 |
|
} |
222 |
|
} |
223 |
|
} |
224 |
|
} |
225 |
|
|
226 |
1; |
1; |