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From the...@apache.org
Subject svn commit: r1571854 - in /hive/trunk: ./ common/src/java/org/apache/hadoop/hive/conf/ service/ service/src/java/org/apache/hive/service/auth/
Date Tue, 25 Feb 2014 22:55:33 GMT
Author: thejas
Date: Tue Feb 25 22:55:32 2014
New Revision: 1571854

URL: http://svn.apache.org/r1571854
Log:
HIVE-6466 : Add support for pluggable authentication modules (PAM) in Hive (Vaibhav Gumashta
via Thejas Nair)

Added:
    hive/trunk/service/src/java/org/apache/hive/service/auth/PamAuthenticationProviderImpl.java
Modified:
    hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
    hive/trunk/pom.xml
    hive/trunk/service/pom.xml
    hive/trunk/service/src/java/org/apache/hive/service/auth/AuthenticationProviderFactory.java

Modified: hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
URL: http://svn.apache.org/viewvc/hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java?rev=1571854&r1=1571853&r2=1571854&view=diff
==============================================================================
--- hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java (original)
+++ hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java Tue Feb 25 22:55:32
2014
@@ -822,13 +822,16 @@ public class HiveConf extends Configurat
 
     // HiveServer2 auth configuration
     HIVE_SERVER2_AUTHENTICATION("hive.server2.authentication", "NONE",
-        new StringsValidator("NOSASL", "NONE", "LDAP", "KERBEROS", "CUSTOM")),
+        new StringsValidator("NOSASL", "NONE", "LDAP", "KERBEROS", "PAM", "CUSTOM")),
     HIVE_SERVER2_KERBEROS_KEYTAB("hive.server2.authentication.kerberos.keytab", ""),
     HIVE_SERVER2_KERBEROS_PRINCIPAL("hive.server2.authentication.kerberos.principal", ""),
     HIVE_SERVER2_PLAIN_LDAP_URL("hive.server2.authentication.ldap.url", null),
     HIVE_SERVER2_PLAIN_LDAP_BASEDN("hive.server2.authentication.ldap.baseDN", null),
     HIVE_SERVER2_PLAIN_LDAP_DOMAIN("hive.server2.authentication.ldap.Domain", null),
     HIVE_SERVER2_CUSTOM_AUTHENTICATION_CLASS("hive.server2.custom.authentication.class",
null),
+    // List of the underlying pam services that should be used when auth type is PAM
+    // A file with the same name must exist in /etc/pam.d
+    HIVE_SERVER2_PAM_SERVICES("hive.server2.authentication.pam.services", null),
     HIVE_SERVER2_ENABLE_DOAS("hive.server2.enable.doAs", true),
     HIVE_SERVER2_TABLE_TYPE_MAPPING("hive.server2.table.type.mapping", "CLASSIC",
         new StringsValidator("CLASSIC", "HIVE")),

Modified: hive/trunk/pom.xml
URL: http://svn.apache.org/viewvc/hive/trunk/pom.xml?rev=1571854&r1=1571853&r2=1571854&view=diff
==============================================================================
--- hive/trunk/pom.xml (original)
+++ hive/trunk/pom.xml Tue Feb 25 22:55:32 2014
@@ -141,6 +141,7 @@
     <velocity.version>1.5</velocity.version>
     <xerces.version>2.9.1</xerces.version>
     <zookeeper.version>3.4.5</zookeeper.version>
+    <jpam.version>1.1</jpam.version>
   </properties>
 
   <repositories>

Modified: hive/trunk/service/pom.xml
URL: http://svn.apache.org/viewvc/hive/trunk/service/pom.xml?rev=1571854&r1=1571853&r2=1571854&view=diff
==============================================================================
--- hive/trunk/service/pom.xml (original)
+++ hive/trunk/service/pom.xml Tue Feb 25 22:55:32 2014
@@ -55,6 +55,11 @@
       <artifactId>commons-cli</artifactId>
       <version>${commons-cli.version}</version>
     </dependency>
+    <dependency>
+      <groupId>net.sf.jpam</groupId>
+      <artifactId>jpam</artifactId>
+      <version>${jpam.version}</version>
+    </dependency>
     <!-- used by thrift generated code -->
     <dependency>
       <groupId>commons-lang</groupId>

Modified: hive/trunk/service/src/java/org/apache/hive/service/auth/AuthenticationProviderFactory.java
URL: http://svn.apache.org/viewvc/hive/trunk/service/src/java/org/apache/hive/service/auth/AuthenticationProviderFactory.java?rev=1571854&r1=1571853&r2=1571854&view=diff
==============================================================================
--- hive/trunk/service/src/java/org/apache/hive/service/auth/AuthenticationProviderFactory.java
(original)
+++ hive/trunk/service/src/java/org/apache/hive/service/auth/AuthenticationProviderFactory.java
Tue Feb 25 22:55:32 2014
@@ -23,6 +23,7 @@ public class AuthenticationProviderFacto
 
   public static enum AuthMethods {
     LDAP("LDAP"),
+    PAM("PAM"),
     CUSTOM("CUSTOM"),
     NONE("NONE");
 
@@ -50,14 +51,20 @@ public class AuthenticationProviderFacto
   }
 
   public static PasswdAuthenticationProvider getAuthenticationProvider(AuthMethods authMethod)
-            throws AuthenticationException {
+      throws AuthenticationException {
     if (authMethod.equals(AuthMethods.LDAP)) {
       return new LdapAuthenticationProviderImpl();
-    } else if (authMethod.equals(AuthMethods.CUSTOM)) {
+    }
+    else if (authMethod.equals(AuthMethods.PAM)) {
+      return new PamAuthenticationProviderImpl();
+    }
+    else if (authMethod.equals(AuthMethods.CUSTOM)) {
       return new CustomAuthenticationProviderImpl();
-    } else if (authMethod.equals(AuthMethods.NONE)) {
+    }
+    else if (authMethod.equals(AuthMethods.NONE)) {
       return new AnonymousAuthenticationProviderImpl();
-    } else {
+    }
+    else {
       throw new AuthenticationException("Unsupported authentication method");
     }
   }

Added: hive/trunk/service/src/java/org/apache/hive/service/auth/PamAuthenticationProviderImpl.java
URL: http://svn.apache.org/viewvc/hive/trunk/service/src/java/org/apache/hive/service/auth/PamAuthenticationProviderImpl.java?rev=1571854&view=auto
==============================================================================
--- hive/trunk/service/src/java/org/apache/hive/service/auth/PamAuthenticationProviderImpl.java
(added)
+++ hive/trunk/service/src/java/org/apache/hive/service/auth/PamAuthenticationProviderImpl.java
Tue Feb 25 22:55:32 2014
@@ -0,0 +1,52 @@
+/**
+ * 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.hive.service.auth;
+
+import javax.security.sasl.AuthenticationException;
+
+import net.sf.jpam.Pam;
+
+import org.apache.hadoop.hive.conf.HiveConf;
+
+public class PamAuthenticationProviderImpl implements PasswdAuthenticationProvider {
+
+  private final String pamServiceNames;
+
+  PamAuthenticationProviderImpl () {
+    HiveConf conf = new HiveConf();
+    this.pamServiceNames = conf.getVar(HiveConf.ConfVars.HIVE_SERVER2_PAM_SERVICES);
+  }
+
+  @Override
+  public void Authenticate(String user, String  password)
+      throws AuthenticationException {
+
+    if (pamServiceNames == null || pamServiceNames.trim().isEmpty()) {
+      throw new AuthenticationException("No PAM services are set.");
+    }
+
+    String pamServices[] = pamServiceNames.split(",");
+    for (String pamService : pamServices) {
+      Pam pam = new Pam(pamService);
+      boolean isAuthenticated = pam.authenticateSuccessful(user, password);
+      if (!isAuthenticated) {
+        throw new AuthenticationException("Error authenticating with the PAM service: " +
pamService);
+      }
+    }
+  }
+}
\ No newline at end of file



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