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<div class="subTitle">org.apache.hadoop.hbase.security</div>
<h2 title="Class AbstractHBaseSaslRpcClient" class="title">Class AbstractHBaseSaslRpcClient</h2>
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<dd><a href="../../../../../org/apache/hadoop/hbase/security/HBaseSaslRpcClient.html" title="class in org.apache.hadoop.hbase.security">HBaseSaslRpcClient</a>, <a href="../../../../../org/apache/hadoop/hbase/security/NettyHBaseSaslRpcClient.html" title="class in org.apache.hadoop.hbase.security">NettyHBaseSaslRpcClient</a></dd>
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<pre>@InterfaceAudience.Private
public abstract class <a href="../../../../../src-html/org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#line.37">AbstractHBaseSaslRpcClient</a>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">A utility class that encapsulates SASL logic for RPC client. Copied from
<code>org.apache.hadoop.security</code></div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.0.0</dd>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#EMPTY_TOKEN">EMPTY_TOKEN</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#fallbackAllowed">fallbackAllowed</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/javax/security/sasl/SaslClient.html?is-external=true" title="class or interface in javax.security.sasl">SaslClient</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#saslClient">saslClient</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#saslProps">saslProps</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#AbstractHBaseSaslRpcClient-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.security.provider.SaslClientAuthenticationProvider-org.apache.hadoop.security.token.Token-java.net.InetAddress-org.apache.hadoop.hbase.security.SecurityInfo-boolean-">AbstractHBaseSaslRpcClient</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/security/provider/SaslClientAuthenticationProvider.html" title="interface in org.apache.hadoop.hbase.security.provider">SaslClientAuthenticationProvider</a>&nbsp;provider,
org.apache.hadoop.security.token.Token&lt;? extends org.apache.hadoop.security.token.TokenIdentifier&gt;&nbsp;token,
<a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</a>&nbsp;serverAddr,
<a href="../../../../../org/apache/hadoop/hbase/security/SecurityInfo.html" title="class in org.apache.hadoop.hbase.security">SecurityInfo</a>&nbsp;securityInfo,
boolean&nbsp;fallbackAllowed)</code>
<div class="block">Create a HBaseSaslRpcClient for an authentication method</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#AbstractHBaseSaslRpcClient-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.security.provider.SaslClientAuthenticationProvider-org.apache.hadoop.security.token.Token-java.net.InetAddress-org.apache.hadoop.hbase.security.SecurityInfo-boolean-java.lang.String-">AbstractHBaseSaslRpcClient</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/security/provider/SaslClientAuthenticationProvider.html" title="interface in org.apache.hadoop.hbase.security.provider">SaslClientAuthenticationProvider</a>&nbsp;provider,
org.apache.hadoop.security.token.Token&lt;? extends org.apache.hadoop.security.token.TokenIdentifier&gt;&nbsp;token,
<a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</a>&nbsp;serverAddr,
<a href="../../../../../org/apache/hadoop/hbase/security/SecurityInfo.html" title="class in org.apache.hadoop.hbase.security">SecurityInfo</a>&nbsp;securityInfo,
boolean&nbsp;fallbackAllowed,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rpcProtection)</code>
<div class="block">Create a HBaseSaslRpcClient for an authentication method</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#dispose--">dispose</a></span>()</code>
<div class="block">Release resources used by wrapped saslClient</div>
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<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#evaluateChallenge-byte:A-">evaluateChallenge</a></span>(byte[]&nbsp;challenge)</code>&nbsp;</td>
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<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#getInitialResponse--">getInitialResponse</a></span>()</code>
<div class="block">Computes the initial response a client sends to a server to begin the SASL challenge/response
handshake.</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#isComplete--">isComplete</a></span>()</code>&nbsp;</td>
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<pre>private static final&nbsp;byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#line.38">EMPTY_TOKEN</a></pre>
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<pre>protected final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/javax/security/sasl/SaslClient.html?is-external=true" title="class or interface in javax.security.sasl">SaslClient</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#line.40">saslClient</a></pre>
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<pre>protected final&nbsp;boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#line.42">fallbackAllowed</a></pre>
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<pre>protected final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt; <a href="../../../../../src-html/org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#line.44">saslProps</a></pre>
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<h4>AbstractHBaseSaslRpcClient</h4>
<pre>protected&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#line.55">AbstractHBaseSaslRpcClient</a>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/security/provider/SaslClientAuthenticationProvider.html" title="interface in org.apache.hadoop.hbase.security.provider">SaslClientAuthenticationProvider</a>&nbsp;provider,
org.apache.hadoop.security.token.Token&lt;? extends org.apache.hadoop.security.token.TokenIdentifier&gt;&nbsp;token,
<a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</a>&nbsp;serverAddr,
<a href="../../../../../org/apache/hadoop/hbase/security/SecurityInfo.html" title="class in org.apache.hadoop.hbase.security">SecurityInfo</a>&nbsp;securityInfo,
boolean&nbsp;fallbackAllowed)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Create a HBaseSaslRpcClient for an authentication method</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - the configuration object</dd>
<dd><code>provider</code> - the authentication provider</dd>
<dd><code>token</code> - token to use if needed by the authentication method</dd>
<dd><code>serverAddr</code> - the address of the hbase service</dd>
<dd><code>securityInfo</code> - the security details for the remote hbase service</dd>
<dd><code>fallbackAllowed</code> - does the client allow fallback to simple authentication</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
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<h4>AbstractHBaseSaslRpcClient</h4>
<pre>protected&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#line.71">AbstractHBaseSaslRpcClient</a>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/security/provider/SaslClientAuthenticationProvider.html" title="interface in org.apache.hadoop.hbase.security.provider">SaslClientAuthenticationProvider</a>&nbsp;provider,
org.apache.hadoop.security.token.Token&lt;? extends org.apache.hadoop.security.token.TokenIdentifier&gt;&nbsp;token,
<a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</a>&nbsp;serverAddr,
<a href="../../../../../org/apache/hadoop/hbase/security/SecurityInfo.html" title="class in org.apache.hadoop.hbase.security">SecurityInfo</a>&nbsp;securityInfo,
boolean&nbsp;fallbackAllowed,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rpcProtection)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Create a HBaseSaslRpcClient for an authentication method</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - configuration object</dd>
<dd><code>provider</code> - the authentication provider</dd>
<dd><code>token</code> - token to use if needed by the authentication method</dd>
<dd><code>serverAddr</code> - the address of the hbase service</dd>
<dd><code>securityInfo</code> - the security details for the remote hbase service</dd>
<dd><code>fallbackAllowed</code> - does the client allow fallback to simple authentication</dd>
<dd><code>rpcProtection</code> - the protection level ("authentication", "integrity" or "privacy")</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>getInitialResponse</h4>
<pre>public&nbsp;byte[]&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/security/AbstractHBaseSaslRpcClient.html#line.93">getInitialResponse</a>()
throws <a href="https://docs.oracle.com/javase/8/docs/api/javax/security/sasl/SaslException.html?is-external=true" title="class or interface in javax.security.sasl">SaslException</a></pre>
<div class="block">Computes the initial response a client sends to a server to begin the SASL challenge/response
handshake. If the client's SASL mechanism does not have an initial response, an empty token
will be returned without querying the evaluateChallenge method, as an authentication processing
must be started by client.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The client's initial response to send the server (which may be empty).</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/javax/security/sasl/SaslException.html?is-external=true" title="class or interface in javax.security.sasl">SaslException</a></code></dd>
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