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From be...@apache.org
Subject hadoop git commit: HADOOP-10651. Add ability to restrict service access using IP addresses and hostnames. (Benoy Antony)
Date Thu, 08 Jan 2015 18:07:14 GMT
Repository: hadoop
Updated Branches:
  refs/heads/trunk dc2eaa26b -> 20625c8f0


HADOOP-10651. Add ability to restrict service access using IP addresses and hostnames. (Benoy
Antony)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/20625c8f
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/20625c8f
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/20625c8f

Branch: refs/heads/trunk
Commit: 20625c8f048701c9516da159b24c0b33983e4bb7
Parents: dc2eaa2
Author: Benoy Antony <benoy@apache.org>
Authored: Thu Jan 8 10:06:48 2015 -0800
Committer: Benoy Antony <benoy@apache.org>
Committed: Thu Jan 8 10:06:48 2015 -0800

----------------------------------------------------------------------
 .../authorize/ServiceAuthorizationManager.java  |  58 +++++-
 .../org/apache/hadoop/util/MachineList.java     |   3 +-
 .../src/site/apt/ServiceLevelAuth.apt.vm        |  25 +++
 .../authorize/TestServiceAuthorization.java     | 189 +++++++++++++++++--
 4 files changed, 259 insertions(+), 16 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/20625c8f/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/ServiceAuthorizationManager.java
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/ServiceAuthorizationManager.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/ServiceAuthorizationManager.java
index 272538a..5d29516 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/ServiceAuthorizationManager.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/ServiceAuthorizationManager.java
@@ -33,6 +33,7 @@ import org.apache.hadoop.fs.CommonConfigurationKeys;
 import org.apache.hadoop.security.KerberosInfo;
 import org.apache.hadoop.security.SecurityUtil;
 import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.util.MachineList;
 
 import com.google.common.annotations.VisibleForTesting;
 
@@ -44,6 +45,7 @@ import com.google.common.annotations.VisibleForTesting;
 @InterfaceStability.Evolving
 public class ServiceAuthorizationManager {
   static final String BLOCKED = ".blocked";
+  static final String HOSTS = ".hosts";
 
   private static final String HADOOP_POLICY_FILE = "hadoop-policy.xml";
 
@@ -51,6 +53,10 @@ public class ServiceAuthorizationManager {
   // and second ACL specifies blocked entries.
   private volatile Map<Class<?>, AccessControlList[]> protocolToAcls =
     new IdentityHashMap<Class<?>, AccessControlList[]>();
+  // For each class, first MachineList in the array specifies the allowed entries
+  // and second MachineList specifies blocked entries.
+  private volatile Map<Class<?>, MachineList[]> protocolToMachineLists =
+    new IdentityHashMap<Class<?>, MachineList[]>();
   
   /**
    * Configuration key for controlling service-level authorization for Hadoop.
@@ -85,7 +91,8 @@ public class ServiceAuthorizationManager {
                                InetAddress addr
                                ) throws AuthorizationException {
     AccessControlList[] acls = protocolToAcls.get(protocol);
-    if (acls == null) {
+    MachineList[] hosts = protocolToMachineLists.get(protocol);
+    if (acls == null || hosts == null) {
       throw new AuthorizationException("Protocol " + protocol + 
                                        " is not known.");
     }
@@ -115,6 +122,16 @@ public class ServiceAuthorizationManager {
           " is not authorized for protocol " + protocol + 
           ", expected client Kerberos principal is " + clientPrincipal);
     }
+    if (addr != null) {
+      String hostAddress = addr.getHostAddress();
+      if (hosts.length != 2 || !hosts[0].includes(hostAddress) ||
+          hosts[1].includes(hostAddress)) {
+        AUDITLOG.warn(AUTHZ_FAILED_FOR + " for protocol=" + protocol
+            + " from host = " +  hostAddress);
+        throw new AuthorizationException("Host " + hostAddress +
+            " is not authorized for protocol " + protocol) ;
+      }
+    }
     AUDITLOG.info(AUTHZ_SUCCESSFUL_FOR + user + " for protocol="+protocol);
   }
 
@@ -135,6 +152,8 @@ public class ServiceAuthorizationManager {
       PolicyProvider provider) {
     final Map<Class<?>, AccessControlList[]> newAcls =
       new IdentityHashMap<Class<?>, AccessControlList[]>();
+    final Map<Class<?>, MachineList[]> newMachineLists =
+      new IdentityHashMap<Class<?>, MachineList[]>();
     
     String defaultAcl = conf.get(
         CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_DEFAULT_ACL,
@@ -143,6 +162,13 @@ public class ServiceAuthorizationManager {
     String defaultBlockedAcl = conf.get(
       CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_DEFAULT_BLOCKED_ACL,
"");
 
+    String defaultServiceHostsKey = getHostKey(
+      CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_DEFAULT_ACL);
+    String defaultMachineList = conf.get(defaultServiceHostsKey,
+      MachineList.WILDCARD_VALUE);
+    String defaultBlockedMachineList= conf.get(
+     defaultServiceHostsKey+ BLOCKED, "");
+
     // Parse the config file
     Service[] services = provider.getServices();
     if (services != null) {
@@ -157,11 +183,26 @@ public class ServiceAuthorizationManager {
            conf.get(service.getServiceKey() + BLOCKED,
            defaultBlockedAcl));
         newAcls.put(service.getProtocol(), new AccessControlList[] {acl, blockedAcl});
+        String serviceHostsKey = getHostKey(service.getServiceKey());
+        MachineList machineList = new MachineList (conf.get(serviceHostsKey, defaultMachineList));
+        MachineList blockedMachineList = new MachineList(
+          conf.get(serviceHostsKey + BLOCKED, defaultBlockedMachineList));
+        newMachineLists.put(service.getProtocol(),
+            new MachineList[] {machineList, blockedMachineList});
       }
     }
 
     // Flip to the newly parsed permissions
     protocolToAcls = newAcls;
+    protocolToMachineLists = newMachineLists;
+  }
+
+  private String getHostKey(String serviceKey) {
+    int endIndex = serviceKey.lastIndexOf(".");
+    if (endIndex != -1) {
+      return serviceKey.substring(0, endIndex)+ HOSTS;
+    }
+    return serviceKey;
   }
 
   @VisibleForTesting
@@ -178,4 +219,19 @@ public class ServiceAuthorizationManager {
   public AccessControlList getProtocolsBlockedAcls(Class<?> className) {
     return protocolToAcls.get(className)[1];
   }
+
+  @VisibleForTesting
+  public Set<Class<?>> getProtocolsWithMachineLists() {
+    return protocolToMachineLists.keySet();
+  }
+
+  @VisibleForTesting
+  public MachineList getProtocolsMachineList(Class<?> className) {
+    return protocolToMachineLists.get(className)[0];
+  }
+
+  @VisibleForTesting
+  public MachineList getProtocolsBlockedMachineList(Class<?> className) {
+    return protocolToMachineLists.get(className)[1];
+  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/20625c8f/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/MachineList.java
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/MachineList.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/MachineList.java
index d1a0870..d60d083 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/MachineList.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/MachineList.java
@@ -45,6 +45,7 @@ import com.google.common.net.InetAddresses;
 public class MachineList {
   
   public static final Log LOG = LogFactory.getLog(MachineList.class);
+  public static final String WILDCARD_VALUE = "*";
 
   /**
    * InetAddressFactory is used to obtain InetAddress from host.
@@ -91,7 +92,7 @@ public class MachineList {
   public MachineList(Collection<String> hostEntries, InetAddressFactory addressFactory)
{
     this.addressFactory = addressFactory;
     if (hostEntries != null) {
-      if ((hostEntries.size() == 1) && (hostEntries.contains("*"))) {
+      if ((hostEntries.size() == 1) && (hostEntries.contains(WILDCARD_VALUE))) {
         all = true; 
         ipAddresses = null; 
         hostNames = null; 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/20625c8f/hadoop-common-project/hadoop-common/src/site/apt/ServiceLevelAuth.apt.vm
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/site/apt/ServiceLevelAuth.apt.vm b/hadoop-common-project/hadoop-common/src/site/apt/ServiceLevelAuth.apt.vm
index 6f71454..86fb3d6 100644
--- a/hadoop-common-project/hadoop-common/src/site/apt/ServiceLevelAuth.apt.vm
+++ b/hadoop-common-project/hadoop-common/src/site/apt/ServiceLevelAuth.apt.vm
@@ -159,6 +159,31 @@ security.ha.service.protocol.acl      | ACL for HAService protocol used
by HAAdm
    the ability to refresh the service-level authorization configuration to
    certain users/groups.
 
+  ** Access Control using list of ip addresses, host names and ip ranges
+
+   Access to a service can be controlled based on the ip address of the client accessing
+   the service. It is possible to restrict access to a service from a set of machines by
+   specifying a list of ip addresses, host names and ip ranges. The property name for each
service
+   is derived from the corresponding acl's property name. If the property name of acl is
+   security.client.protocol.acl, property name for the hosts list will be
+   security.client.protocol.hosts.
+
+   If hosts list is not defined for a service, the value of
+   <<<security.service.authorization.default.hosts>>> is applied. If
+   <<<security.service.authorization.default.hosts>>> is not defined, <<<*>>>
 is applied.
+
+   It is possible to specify a blocked list of hosts. Only those machines which are in the
+   hosts list, but not in the blocked hosts list will be granted access to the service. The
property
+   name is derived by suffixing with ".blocked".
+
+   Example: The property name of blocked hosts list for <<<security.client.protocol.hosts>>
+   will be <<<security.client.protocol.hosts.blocked>>>
+
+   If blocked hosts list is not defined for a service, the value of
+   <<<security.service.authorization.default.hosts.blocked>>> is applied.
If
+   <<<security.service.authorization.default.hosts.blocked>>> is not defined,
+   empty blocked hosts list is applied.
+
 ** Examples
 
    Allow only users <<<alice>>>, <<<bob>>> and users
in the <<<mapreduce>>> group to submit

http://git-wip-us.apache.org/repos/asf/hadoop/blob/20625c8f/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authorize/TestServiceAuthorization.java
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authorize/TestServiceAuthorization.java
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authorize/TestServiceAuthorization.java
index 9ef9d7a..c473c50 100644
--- a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authorize/TestServiceAuthorization.java
+++ b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authorize/TestServiceAuthorization.java
@@ -34,6 +34,11 @@ public class TestServiceAuthorization {
   private static final String ACL_CONFIG = "test.protocol.acl";
   private static final String ACL_CONFIG1 = "test.protocol1.acl";
   private static final String ADDRESS =  "0.0.0.0";
+  private static final String HOST_CONFIG = "test.protocol.hosts";
+  private static final String BLOCKED_HOST_CONFIG = "test.protocol.hosts.blocked";
+  private static final String AUTHORIZED_IP = "1.2.3.4";
+  private static final String UNAUTHORIZED_IP = "1.2.3.5";
+  private static final String IP_RANGE = "10.222.0.0/16,10.113.221.221";
 
   public interface TestProtocol1 extends TestProtocol {};
 
@@ -52,7 +57,7 @@ public class TestServiceAuthorization {
     ServiceAuthorizationManager serviceAuthorizationManager = 
         new ServiceAuthorizationManager();
     Configuration conf = new Configuration ();
-    //test without setting a default acl
+    // test without setting a default acl
     conf.set(ACL_CONFIG, "user1 group1");
     serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
     AccessControlList acl = serviceAuthorizationManager.getProtocolsAcls(TestProtocol.class);
@@ -60,7 +65,7 @@ public class TestServiceAuthorization {
     acl = serviceAuthorizationManager.getProtocolsAcls(TestProtocol1.class);
     assertEquals(AccessControlList.WILDCARD_ACL_VALUE, acl.getAclString());
 
-    //test with a default acl
+    // test with a default acl
     conf.set(
         CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_DEFAULT_ACL, 
         "user2 group2");
@@ -81,7 +86,7 @@ public class TestServiceAuthorization {
         new ServiceAuthorizationManager();
     Configuration conf = new Configuration ();
 
-    //test without setting a blocked acl
+    // test without setting a blocked acl
     conf.set(ACL_CONFIG, "user1 group1");
     serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
     try {
@@ -90,7 +95,7 @@ public class TestServiceAuthorization {
     } catch (AuthorizationException e) {
       fail();
     }
-    //now set a blocked acl with another user and another group
+    // now set a blocked acl with another user and another group
     conf.set(ACL_CONFIG + ServiceAuthorizationManager.BLOCKED, "drwho2 group3");
     serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
     try {
@@ -99,7 +104,7 @@ public class TestServiceAuthorization {
     } catch (AuthorizationException e) {
       fail();
     }
-    //now set a blocked acl with the user and another group
+    // now set a blocked acl with the user and another group
     conf.set(ACL_CONFIG + ServiceAuthorizationManager.BLOCKED, "drwho group3");
     serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
     try {
@@ -109,7 +114,7 @@ public class TestServiceAuthorization {
     } catch (AuthorizationException e) {
 
     }
-    //now set a blocked acl with another user and another group
+    // now set a blocked acl with another user and another group
     conf.set(ACL_CONFIG + ServiceAuthorizationManager.BLOCKED, "drwho2 group3");
     serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
     try {
@@ -118,7 +123,7 @@ public class TestServiceAuthorization {
     } catch (AuthorizationException e) {
       fail();
     }
-    //now set a blocked acl with another user and group that the user belongs to
+    // now set a blocked acl with another user and group that the user belongs to
     conf.set(ACL_CONFIG + ServiceAuthorizationManager.BLOCKED, "drwho2 group2");
     serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
     try {
@@ -126,9 +131,9 @@ public class TestServiceAuthorization {
           InetAddress.getByName(ADDRESS));
       fail();
     } catch (AuthorizationException e) {
-      //expects Exception
+      // expects Exception
     }
-    //reset blocked acl so that there is no blocked ACL
+    // reset blocked acl so that there is no blocked ACL
     conf.set(ACL_CONFIG + ServiceAuthorizationManager.BLOCKED, "");
     serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
     try {
@@ -149,7 +154,7 @@ public class TestServiceAuthorization {
         new ServiceAuthorizationManager();
     Configuration conf = new Configuration ();
 
-    //test without setting a default blocked acl
+    // test without setting a default blocked acl
     serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
     try {
       serviceAuthorizationManager.authorize(drwho, TestProtocol1.class, conf,
@@ -158,27 +163,183 @@ public class TestServiceAuthorization {
       fail();
     }
 
-    //set a restrictive default blocked acl and an non-restricting blocked acl for TestProtocol
+    // set a restrictive default blocked acl and an non-restricting blocked acl for TestProtocol
     conf.set(
         CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_DEFAULT_BLOCKED_ACL,
         "user2 group2");
     conf.set(ACL_CONFIG + ServiceAuthorizationManager.BLOCKED, "user2");
     serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
-    //drwho is authorized to access TestProtocol
+    // drwho is authorized to access TestProtocol
     try {
       serviceAuthorizationManager.authorize(drwho, TestProtocol.class, conf,
           InetAddress.getByName(ADDRESS));
     } catch (AuthorizationException e) {
       fail();
     }
-    //drwho is not authorized to access TestProtocol1 because it uses the default blocked
acl.
+    // drwho is not authorized to access TestProtocol1 because it uses the default blocked
acl.
     try {
       serviceAuthorizationManager.authorize(drwho, TestProtocol1.class, conf,
           InetAddress.getByName(ADDRESS));
       fail();
     } catch (AuthorizationException e) {
-      //expects Exception
+      // expects Exception
+    }
+  }
+
+  @Test
+  public void testMachineList() throws UnknownHostException {
+    UserGroupInformation drwho =
+        UserGroupInformation.createUserForTesting("drwho@EXAMPLE.COM",
+            new String[] { "group1", "group2" });
+    ServiceAuthorizationManager serviceAuthorizationManager =
+        new ServiceAuthorizationManager();
+    Configuration conf = new Configuration ();
+    conf.set(HOST_CONFIG, "1.2.3.4");
+    serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
+    try {
+      serviceAuthorizationManager.authorize(drwho, TestProtocol.class, conf,
+          InetAddress.getByName(AUTHORIZED_IP));
+    } catch (AuthorizationException e) {
+      fail();
+    }
+    try {
+      serviceAuthorizationManager.authorize(drwho, TestProtocol.class, conf,
+          InetAddress.getByName(UNAUTHORIZED_IP));
+      fail();
+    } catch (AuthorizationException e) {
+    // expects Exception
+    }
+  }
+
+  @Test
+  public void testDefaultMachineList() throws UnknownHostException {
+    UserGroupInformation drwho =
+        UserGroupInformation.createUserForTesting("drwho@EXAMPLE.COM",
+            new String[] { "group1", "group2" });
+    ServiceAuthorizationManager serviceAuthorizationManager =
+        new ServiceAuthorizationManager();
+    Configuration conf = new Configuration ();
+    // test without setting a default MachineList
+    serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
+    try {
+      serviceAuthorizationManager.authorize(drwho, TestProtocol.class, conf,
+          InetAddress.getByName(UNAUTHORIZED_IP));
+    } catch (AuthorizationException e) {
+      fail();
+    }
+    // test with a default MachineList
+    conf.set(
+        "security.service.authorization.default.hosts",
+        IP_RANGE);
+    serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
+    try {
+      serviceAuthorizationManager.authorize(drwho, TestProtocol.class, conf,
+          InetAddress.getByName(UNAUTHORIZED_IP));
+      fail();
+    } catch (AuthorizationException e) {
+    // expects Exception
+    }
+    try {
+      serviceAuthorizationManager.authorize(drwho, TestProtocol.class, conf,
+          InetAddress.getByName("10.222.0.0"));
+    } catch (AuthorizationException e) {
+      fail();
+    }
+  }
+
+  @Test
+  public void testBlockedMachineList() throws UnknownHostException {
+    UserGroupInformation drwho =
+        UserGroupInformation.createUserForTesting("drwho@EXAMPLE.COM",
+            new String[] { "group1", "group2" });
+
+    ServiceAuthorizationManager serviceAuthorizationManager =
+        new ServiceAuthorizationManager();
+    Configuration conf = new Configuration ();
+
+    // test without setting a blocked MachineList
+    serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
+    try {
+      serviceAuthorizationManager.authorize(drwho,
+          TestProtocol.class, conf, InetAddress.getByName("10.222.0.0"));
+    } catch (AuthorizationException e) {
+      fail();
+    }
+    // now set a blocked MachineList
+    conf.set(BLOCKED_HOST_CONFIG, IP_RANGE);
+    serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
+    try {
+      serviceAuthorizationManager.authorize(drwho,
+          TestProtocol.class, conf, InetAddress.getByName("10.222.0.0"));
+      fail();
+    } catch (AuthorizationException e) {
+    // expects Exception
+    }
+    // reset blocked MachineList
+    conf.set(BLOCKED_HOST_CONFIG, "");
+    serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
+    try {
+      serviceAuthorizationManager.authorize(drwho,
+          TestProtocol.class, conf, InetAddress.getByName("10.222.0.0"));
+    } catch (AuthorizationException e) {
+      fail();
     }
   }
 
+  @Test
+  public void testDefaultBlockedMachineList() throws UnknownHostException {
+    UserGroupInformation drwho =
+        UserGroupInformation.createUserForTesting("drwho@EXAMPLE.COM",
+            new String[] { "group1", "group2" });
+
+    ServiceAuthorizationManager serviceAuthorizationManager =
+        new ServiceAuthorizationManager();
+    Configuration conf = new Configuration ();
+
+    // test without setting a default blocked MachineList
+    serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
+    try {
+      serviceAuthorizationManager.authorize(drwho,
+          TestProtocol1.class, conf, InetAddress.getByName("10.222.0.0"));
+    } catch (AuthorizationException e) {
+      fail();
+    }
+    // set a  default blocked MachineList and a blocked MachineList for TestProtocol
+    conf.set(
+        "security.service.authorization.default.hosts.blocked",
+        IP_RANGE);
+    conf.set(BLOCKED_HOST_CONFIG, "1.2.3.4");
+    serviceAuthorizationManager.refresh(conf, new TestPolicyProvider());
+    // TestProtocol can be accessed from "10.222.0.0" because it blocks only "1.2.3.4"
+    try {
+      serviceAuthorizationManager.authorize(drwho,
+          TestProtocol.class, conf, InetAddress.getByName("10.222.0.0"));
+    } catch (AuthorizationException e) {
+      fail();
+    }
+    // TestProtocol cannot be accessed from  "1.2.3.4"
+    try {
+      serviceAuthorizationManager.authorize(drwho,
+          TestProtocol.class, conf, InetAddress.getByName("1.2.3.4"));
+      fail();
+    } catch (AuthorizationException e) {
+      //expects Exception
+    }
+    // TestProtocol1 can be accessed from "1.2.3.4" because it uses default block list
+    try {
+      serviceAuthorizationManager.authorize(drwho,
+         TestProtocol1.class, conf, InetAddress.getByName("1.2.3.4"));
+    } catch (AuthorizationException e) {
+      fail();
+    }
+    // TestProtocol1 cannot be accessed from "10.222.0.0", 
+    // because "10.222.0.0" is in default block list
+    try {
+      serviceAuthorizationManager.authorize(drwho,
+         TestProtocol1.class, conf, InetAddress.getByName("10.222.0.0"));
+      fail();
+    } catch (AuthorizationException e) {
+      //expects Exception
+    }
+  }
 }


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