org.apache.hadoop.hbase.security

Class SaslClientHandler

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.channel.ChannelDuplexHandler

org.apache.hadoop.hbase.security.SaslClientHandler

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler, io.netty.channel.ChannelOutboundHandler

public class SaslClientHandler
extends io.netty.channel.ChannelDuplexHandler

Handles Sasl connections

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	SaslClientHandler.SaslExceptionHandler Handler for exceptions during Sasl connection

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

io.netty.channel.ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.commons.logging.Log	LOG

Constructor Summary

Constructors

Constructor and Description
SaslClientHandler(org.apache.hadoop.hbase.security.AuthMethod method, org.apache.hadoop.security.token.Token<? extends org.apache.hadoop.security.token.TokenIdentifier> token, java.lang.String serverPrincipal, boolean fallbackAllowed, java.lang.String rpcProtection, SaslClientHandler.SaslExceptionHandler exceptionHandler) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	channelActive(io.netty.channel.ChannelHandlerContext ctx)
void	channelRead(io.netty.channel.ChannelHandlerContext ctx, java.lang.Object msg)
void	channelUnregistered(io.netty.channel.ChannelHandlerContext ctx)
protected javax.security.sasl.SaslClient	createDigestSaslClient(java.lang.String[] mechanismNames, java.lang.String saslDefaultRealm, javax.security.auth.callback.CallbackHandler saslClientCallbackHandler) Create a Digest Sasl client
protected javax.security.sasl.SaslClient	createKerberosSaslClient(java.lang.String[] mechanismNames, java.lang.String userFirstPart, java.lang.String userSecondPart) Create Kerberos client
void	exceptionCaught(io.netty.channel.ChannelHandlerContext ctx, java.lang.Throwable cause)
void	write(io.netty.channel.ChannelHandlerContext ctx, java.lang.Object msg, io.netty.channel.ChannelPromise promise)

Methods inherited from class io.netty.channel.ChannelDuplexHandler

bind, close, connect, deregister, disconnect, flush, read

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelInactive, channelReadComplete, channelRegistered, channelWritabilityChanged, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

handlerAdded, handlerRemoved, isSharable

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

Constructor Detail

SaslClientHandler

public SaslClientHandler(org.apache.hadoop.hbase.security.AuthMethod method,
                 org.apache.hadoop.security.token.Token<? extends org.apache.hadoop.security.token.TokenIdentifier> token,
                 java.lang.String serverPrincipal,
                 boolean fallbackAllowed,
                 java.lang.String rpcProtection,
                 SaslClientHandler.SaslExceptionHandler exceptionHandler)
                  throws java.io.IOException

Constructor

Parameters:

method - auth method

token - for Sasl

serverPrincipal - Server's Kerberos principal name

fallbackAllowed - True if server may also fall back to less secure connection

rpcProtection - Quality of protection. Integrity or privacy

exceptionHandler - handler for exceptions

Throws:

java.io.IOException - if handler could not be created

Method Detail

createDigestSaslClient

protected javax.security.sasl.SaslClient createDigestSaslClient(java.lang.String[] mechanismNames,
                                                    java.lang.String saslDefaultRealm,
                                                    javax.security.auth.callback.CallbackHandler saslClientCallbackHandler)
                                                         throws java.io.IOException

Create a Digest Sasl client

Parameters:

mechanismNames - names of mechanisms

saslDefaultRealm - default realm for sasl

saslClientCallbackHandler - handler for the client

Returns:

new SaslClient

Throws:

java.io.IOException - if creation went wrong

createKerberosSaslClient

protected javax.security.sasl.SaslClient createKerberosSaslClient(java.lang.String[] mechanismNames,
                                                      java.lang.String userFirstPart,
                                                      java.lang.String userSecondPart)
                                                           throws java.io.IOException

Create Kerberos client

Parameters:

mechanismNames - names of mechanisms

userFirstPart - first part of username

userSecondPart - second part of username

Returns:

new SaslClient

Throws:

java.io.IOException - if fails

channelUnregistered

public void channelUnregistered(io.netty.channel.ChannelHandlerContext ctx)
                         throws java.lang.Exception

Specified by:

channelUnregistered in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelUnregistered in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

java.lang.Exception

channelActive

public void channelActive(io.netty.channel.ChannelHandlerContext ctx)
                   throws java.lang.Exception

Specified by:

channelActive in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelActive in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

java.lang.Exception

channelRead

public void channelRead(io.netty.channel.ChannelHandlerContext ctx,
               java.lang.Object msg)
                 throws java.lang.Exception

Specified by:

channelRead in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelRead in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

java.lang.Exception

exceptionCaught

public void exceptionCaught(io.netty.channel.ChannelHandlerContext ctx,
                   java.lang.Throwable cause)
                     throws java.lang.Exception

Specified by:

exceptionCaught in interface io.netty.channel.ChannelHandler

Specified by:

exceptionCaught in interface io.netty.channel.ChannelInboundHandler

Overrides:

exceptionCaught in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

java.lang.Exception

write

public void write(io.netty.channel.ChannelHandlerContext ctx,
         java.lang.Object msg,
         io.netty.channel.ChannelPromise promise)
           throws java.lang.Exception

Specified by:

write in interface io.netty.channel.ChannelOutboundHandler

Overrides:

write in class io.netty.channel.ChannelDuplexHandler

Throws:

java.lang.Exception