// Store it in the future Map
addToFutureMap( newId, bindFuture );
try
{
BindResponse bindResponse = null;
byte[] response = null;
ResultCodeEnum result = null;
// Creating a map for SASL properties
Map<String, Object> properties = new HashMap<String, Object>();
// Quality of Protection SASL property
if ( saslRequest.getQualityOfProtection() != null )
{
properties.put( Sasl.QOP, saslRequest.getQualityOfProtection().getValue() );
}
// Security Strength SASL property
if ( saslRequest.getSecurityStrength() != null )
{
properties.put( Sasl.STRENGTH, saslRequest.getSecurityStrength().getValue() );
}
// Mutual Authentication SASL property
if ( saslRequest.isMutualAuthentication() )
{
properties.put( Sasl.SERVER_AUTH, "true" );
}
// Creating a SASL Client
SaslClient sc = Sasl.createSaslClient(
new String[]
{ bindRequest.getSaslMechanism() },
saslRequest.getAuthorizationId(),
"ldap",
config.getLdapHost(),
properties,
new SaslCallbackHandler( saslRequest ) );
// If the SaslClient wasn't created, that means we can't create the SASL client
// for the requested mechanism. We then produce an Exception
if ( sc == null )
{
String message = "Cannot find a SASL factory for the " + bindRequest.getSaslMechanism() + " mechanism";
LOG.error( message );
throw new LdapException( message );
}
// Corner case : the SASL mech might send an initial challenge, and we have to
// deal with it immediately.
if ( sc.hasInitialResponse() )
{
byte[] challengeResponse = sc.evaluateChallenge( new byte[0] );
// Stores the challenge's response, and send it to the server
bindRequest.setCredentials( challengeResponse );
writeBindRequest( bindRequest );
// Get the server's response, blocking
bindResponse = bindFuture.get( timeout, TimeUnit.MILLISECONDS );
if ( bindResponse == null )
{
// We didn't received anything : this is an error
LOG.error( "bind failed : timeout occured" );
throw new LdapException( TIME_OUT_ERROR );
}
result = bindResponse.getLdapResult().getResultCode();
}
else
{
// Copy the bindRequest without setting the credentials
BindRequest bindRequestCopy = new BindRequestImpl();
bindRequestCopy.setMessageId( newId );
bindRequestCopy.setName( bindRequest.getName() );
bindRequestCopy.setSaslMechanism( bindRequest.getSaslMechanism() );
bindRequestCopy.setSimple( bindRequest.isSimple() );
bindRequestCopy.setVersion3( bindRequest.getVersion3() );
bindRequestCopy.addAllControls( bindRequest.getControls().values().toArray( new Control[0] ) );
writeBindRequest( bindRequestCopy );
bindResponse = bindFuture.get( timeout, TimeUnit.MILLISECONDS );
if ( bindResponse == null )
{
// We didn't received anything : this is an error
LOG.error( "bind failed : timeout occured" );
throw new LdapException( TIME_OUT_ERROR );
}
result = bindResponse.getLdapResult().getResultCode();
}
while ( !sc.isComplete()
&& ( ( result == ResultCodeEnum.SASL_BIND_IN_PROGRESS ) || ( result == ResultCodeEnum.SUCCESS ) ) )
{
response = sc.evaluateChallenge( bindResponse.getServerSaslCreds() );
if ( result == ResultCodeEnum.SUCCESS )
{
if ( response != null )
{
throw new LdapException( "protocol error" );
}
}
else
{
newId = messageId.incrementAndGet();
bindRequest.setMessageId( newId );
bindRequest.setCredentials( response );
addToFutureMap( newId, bindFuture );
writeBindRequest( bindRequest );
bindResponse = bindFuture.get( timeout, TimeUnit.MILLISECONDS );
if ( bindResponse == null )
{
// We didn't received anything : this is an error
LOG.error( "bind failed : timeout occured" );
throw new LdapException( TIME_OUT_ERROR );
}
result = bindResponse.getLdapResult().getResultCode();
}
}
bindFuture.set( bindResponse );