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HBASE-27185 Rewrite NettyRpcServer to decode rpc request with netty h…
…andler
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hbase-client/src/main/java/org/apache/hadoop/hbase/security/CryptoAESUnwrapHandler.java
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hbase-client/src/main/java/org/apache/hadoop/hbase/security/CryptoAESWrapHandler.java
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hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/NettyHBaseSaslRpcServerHandler.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.apache.hadoop.hbase.ipc; | ||
|
|
||
| import java.io.IOException; | ||
| import org.apache.hadoop.hbase.security.HBaseSaslRpcServer; | ||
| import org.apache.hadoop.hbase.security.SaslStatus; | ||
| import org.apache.hadoop.hbase.security.SaslUnwrapHandler; | ||
| import org.apache.hadoop.hbase.security.SaslWrapHandler; | ||
| import org.apache.hadoop.hbase.util.NettyFutureUtils; | ||
| import org.apache.hadoop.io.BytesWritable; | ||
| import org.apache.hadoop.io.Writable; | ||
| import org.apache.hadoop.io.WritableUtils; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf; | ||
| import org.apache.hbase.thirdparty.io.netty.buffer.ByteBufOutputStream; | ||
| import org.apache.hbase.thirdparty.io.netty.channel.ChannelHandlerContext; | ||
| import org.apache.hbase.thirdparty.io.netty.channel.ChannelPipeline; | ||
| import org.apache.hbase.thirdparty.io.netty.channel.SimpleChannelInboundHandler; | ||
| import org.apache.hbase.thirdparty.io.netty.handler.codec.LengthFieldBasedFrameDecoder; | ||
|
|
||
| /** | ||
| * Implement SASL negotiation logic for rpc server. | ||
| */ | ||
| class NettyHBaseSaslRpcServerHandler extends SimpleChannelInboundHandler<ByteBuf> { | ||
|
|
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| private static final Logger LOG = LoggerFactory.getLogger(NettyHBaseSaslRpcServerHandler.class); | ||
|
|
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| static final String DECODER_NAME = "SaslNegotiationDecoder"; | ||
|
|
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| private final NettyRpcServer rpcServer; | ||
|
|
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| private final NettyServerRpcConnection conn; | ||
|
|
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| NettyHBaseSaslRpcServerHandler(NettyRpcServer rpcServer, NettyServerRpcConnection conn) { | ||
| this.rpcServer = rpcServer; | ||
| this.conn = conn; | ||
| } | ||
|
|
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| private void doResponse(ChannelHandlerContext ctx, SaslStatus status, Writable rv, | ||
| String errorClass, String error) throws IOException { | ||
| // In my testing, have noticed that sasl messages are usually | ||
| // in the ballpark of 100-200. That's why the initial capacity is 256. | ||
| ByteBuf resp = ctx.alloc().buffer(256); | ||
| try (ByteBufOutputStream out = new ByteBufOutputStream(resp)) { | ||
| out.writeInt(status.state); // write status | ||
| if (status == SaslStatus.SUCCESS) { | ||
| rv.write(out); | ||
| } else { | ||
| WritableUtils.writeString(out, errorClass); | ||
| WritableUtils.writeString(out, error); | ||
| } | ||
| } | ||
| NettyFutureUtils.safeWriteAndFlush(ctx, resp); | ||
| } | ||
|
|
||
| @Override | ||
| protected void channelRead0(ChannelHandlerContext ctx, ByteBuf msg) throws Exception { | ||
| LOG.debug("Read input token of size={} for processing by saslServer.evaluateResponse()", | ||
| msg.readableBytes()); | ||
| HBaseSaslRpcServer saslServer = conn.getOrCreateSaslServer(); | ||
| byte[] saslToken = new byte[msg.readableBytes()]; | ||
| msg.readBytes(saslToken, 0, saslToken.length); | ||
| byte[] replyToken = saslServer.evaluateResponse(saslToken); | ||
| if (replyToken != null) { | ||
| LOG.debug("Will send token of size {} from saslServer.", replyToken.length); | ||
| doResponse(ctx, SaslStatus.SUCCESS, new BytesWritable(replyToken), null, null); | ||
| } | ||
| if (saslServer.isComplete()) { | ||
| conn.finishSaslNegotiation(); | ||
| String qop = saslServer.getNegotiatedQop(); | ||
| boolean useWrap = qop != null && !"auth".equalsIgnoreCase(qop); | ||
| ChannelPipeline p = ctx.pipeline(); | ||
| if (useWrap) { | ||
| p.addFirst(new SaslWrapHandler(saslServer::wrap)); | ||
| p.addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4), | ||
| new SaslUnwrapHandler(saslServer::unwrap)); | ||
| } | ||
| conn.setupDecoder(); | ||
| p.remove(this); | ||
| p.remove(DECODER_NAME); | ||
| } | ||
| } | ||
|
|
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| @Override | ||
| public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception { | ||
| LOG.error("Error when doing SASL handshade, provider={}", conn.provider, cause); | ||
| Throwable sendToClient = HBaseSaslRpcServer.unwrap(cause); | ||
| doResponse(ctx, SaslStatus.ERROR, null, sendToClient.getClass().getName(), | ||
| sendToClient.getLocalizedMessage()); | ||
| rpcServer.metrics.authenticationFailure(); | ||
| String clientIP = this.toString(); | ||
| // attempting user could be null | ||
| RpcServer.AUDITLOG.warn("{}{}: {}", RpcServer.AUTH_FAILED_FOR, clientIP, | ||
| conn.saslServer != null ? conn.saslServer.getAttemptingUser() : "Unknown"); | ||
| NettyFutureUtils.safeClose(ctx); | ||
| } | ||
| } |
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