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<h2 title="Class WhitelistBasedResolver" class="title">Class WhitelistBasedResolver</h2>
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<li><a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html" title="class in org.apache.hadoop.security">org.apache.hadoop.security.SaslPropertiesResolver</a></li>
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<li>org.apache.hadoop.security.WhitelistBasedResolver</li>
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<pre>public class <span class="typeNameLabel">WhitelistBasedResolver</span>
extends <a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html" title="class in org.apache.hadoop.security">SaslPropertiesResolver</a></pre>
<div class="block">An implementation of the SaslPropertiesResolver.
Uses a white list of IPs.
If the connection's IP address is in the list of IP addresses, the salProperties
will be unchanged.
If the connection's IP is not in the list of IP addresses, then QOP for the
connection will be restricted to "hadoop.rpc.protection.non-whitelist"
Uses 3 IPList implementations together to form an aggregate whitelist.
1. ConstantIPList - to check against a set of hardcoded IPs
2. Fixed IP List - to check against a list of IP addresses which are specified externally, but
will not change over runtime.
3. Variable IP List - to check against a list of IP addresses which are specified externally and
could change during runtime.
A connection IP address will checked against these 3 IP Lists in the order specified above.
Once a match is found , the IP address is determined to be in whitelist.
The behavior can be configured using a bunch of configuration parameters.</div>
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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>
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<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/security/WhitelistBasedResolver.html#HADOOP_RPC_PROTECTION_NON_WHITELIST">HADOOP_RPC_PROTECTION_NON_WHITELIST</a></span></code>
<div class="block">comma separated list containing alternate hadoop.rpc.protection values for
clients which are not in whitelist</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/security/WhitelistBasedResolver.html#HADOOP_SECURITY_SASL_FIXEDWHITELIST_FILE">HADOOP_SECURITY_SASL_FIXEDWHITELIST_FILE</a></span></code>
<div class="block">Path to the file to containing subnets and ip addresses to form fixed whitelist.</div>
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<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/security/WhitelistBasedResolver.html#HADOOP_SECURITY_SASL_VARIABLEWHITELIST_CACHE_SECS">HADOOP_SECURITY_SASL_VARIABLEWHITELIST_CACHE_SECS</a></span></code>
<div class="block">time in seconds by which the variable whitelist file is checked for updates</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/security/WhitelistBasedResolver.html#HADOOP_SECURITY_SASL_VARIABLEWHITELIST_ENABLE">HADOOP_SECURITY_SASL_VARIABLEWHITELIST_ENABLE</a></span></code>
<div class="block">Enables/Disables variable whitelist</div>
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<tr class="altColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/security/WhitelistBasedResolver.html#HADOOP_SECURITY_SASL_VARIABLEWHITELIST_FILE">HADOOP_SECURITY_SASL_VARIABLEWHITELIST_FILE</a></span></code>
<div class="block">Path to the file to containing subnets and ip addresses to form variable whitelist.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>static org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/security/WhitelistBasedResolver.html#LOG">LOG</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/security/WhitelistBasedResolver.html#WhitelistBasedResolver--">WhitelistBasedResolver</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><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/security/WhitelistBasedResolver.html#getServerProperties-java.net.InetAddress-">getServerProperties</a></span>(<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;clientAddress)</code>
<div class="block">Identify the Sasl Properties to be used for a connection with a client.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><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/security/WhitelistBasedResolver.html#getServerProperties-java.lang.String-">getServerProperties</a></span>(<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;clientAddress)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/security/WhitelistBasedResolver.html#setConf-org.apache.hadoop.conf.Configuration-">setConf</a></span>(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">Set the configuration to be used by this object.</div>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.security.<a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html" title="class in org.apache.hadoop.security">SaslPropertiesResolver</a></h3>
<code><a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html#getClientProperties-java.net.InetAddress-">getClientProperties</a>, <a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html#getClientProperties-java.net.InetAddress-int-">getClientProperties</a>, <a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html#getConf--">getConf</a>, <a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html#getDefaultProperties--">getDefaultProperties</a>, <a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html#getInstance-org.apache.hadoop.conf.Configuration-">getInstance</a>, <a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html#getServerProperties-java.net.InetAddress-int-">getServerProperties</a></code></li>
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<h4>LOG</h4>
<pre>public static final&nbsp;org.slf4j.Logger LOG</pre>
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<h4>HADOOP_SECURITY_SASL_FIXEDWHITELIST_FILE</h4>
<pre>public static final&nbsp;<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> HADOOP_SECURITY_SASL_FIXEDWHITELIST_FILE</pre>
<div class="block">Path to the file to containing subnets and ip addresses to form fixed whitelist.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.hadoop.security.WhitelistBasedResolver.HADOOP_SECURITY_SASL_FIXEDWHITELIST_FILE">Constant Field Values</a></dd>
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<h4>HADOOP_SECURITY_SASL_VARIABLEWHITELIST_ENABLE</h4>
<pre>public static final&nbsp;<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> HADOOP_SECURITY_SASL_VARIABLEWHITELIST_ENABLE</pre>
<div class="block">Enables/Disables variable whitelist</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.hadoop.security.WhitelistBasedResolver.HADOOP_SECURITY_SASL_VARIABLEWHITELIST_ENABLE">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<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> HADOOP_SECURITY_SASL_VARIABLEWHITELIST_FILE</pre>
<div class="block">Path to the file to containing subnets and ip addresses to form variable whitelist.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.hadoop.security.WhitelistBasedResolver.HADOOP_SECURITY_SASL_VARIABLEWHITELIST_FILE">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<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> HADOOP_SECURITY_SASL_VARIABLEWHITELIST_CACHE_SECS</pre>
<div class="block">time in seconds by which the variable whitelist file is checked for updates</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.hadoop.security.WhitelistBasedResolver.HADOOP_SECURITY_SASL_VARIABLEWHITELIST_CACHE_SECS">Constant Field Values</a></dd>
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<h4>HADOOP_RPC_PROTECTION_NON_WHITELIST</h4>
<pre>public static final&nbsp;<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> HADOOP_RPC_PROTECTION_NON_WHITELIST</pre>
<div class="block">comma separated list containing alternate hadoop.rpc.protection values for
clients which are not in whitelist</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.hadoop.security.WhitelistBasedResolver.HADOOP_RPC_PROTECTION_NON_WHITELIST">Constant Field Values</a></dd>
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<h4>WhitelistBasedResolver</h4>
<pre>public&nbsp;WhitelistBasedResolver()</pre>
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<h4>setConf</h4>
<pre>public&nbsp;void&nbsp;setConf(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/hadoop/conf/Configurable.html#setConf-org.apache.hadoop.conf.Configuration-">Configurable</a></code></span></div>
<div class="block">Set the configuration to be used by this object.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/conf/Configurable.html#setConf-org.apache.hadoop.conf.Configuration-">setConf</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/hadoop/conf/Configurable.html" title="interface in org.apache.hadoop.conf">Configurable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html#setConf-org.apache.hadoop.conf.Configuration-">setConf</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html" title="class in org.apache.hadoop.security">SaslPropertiesResolver</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - configuration to be used</dd>
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<h4>getServerProperties</h4>
<pre>public&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;&nbsp;getServerProperties(<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;clientAddress)</pre>
<div class="block">Identify the Sasl Properties to be used for a connection with a client.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html#getServerProperties-java.net.InetAddress-">getServerProperties</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/security/SaslPropertiesResolver.html" title="class in org.apache.hadoop.security">SaslPropertiesResolver</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>clientAddress</code> - client's address</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the sasl properties to be used for the connection.</dd>
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<h4>getServerProperties</h4>
<pre>public&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;&nbsp;getServerProperties(<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;clientAddress)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/net/UnknownHostException.html?is-external=true" title="class or interface in java.net">UnknownHostException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/UnknownHostException.html?is-external=true" title="class or interface in java.net">UnknownHostException</a></code></dd>
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