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(Updated 八月 10, 2017, 12:30 p.m.) Review request for ranger, Don Bosco Durai, Colm O hEigeartaigh, and Qiang Zhang. Bugs: RANGER-1669 https://issues.apache.org/jira/browse/RANGER-1669 Repository: ranger Description ------- ** CID 166074: Null pointer dereferences (NULL_RETURNS) /hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveAuthorizer.java: 1474 in org.apache.ranger.authorization.hive.authorizer.RangerHiveAuthorizer.showPrivileges(org.apache.hadoop.hive.ql.security.authorization.plugin.HivePrincipal, org.apache.hadoop.hive.ql.security.authorization.plugin.HivePrivilegeObject)() ________________________________________________________________________________________________________ *** CID 166074: Null pointer dereferences (NULL_RETURNS) /hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveAuthorizer.java: 1474 in org.apache.ranger.authorization.hive.authorizer.RangerHiveAuthorizer.showPrivileges(org.apache.hadoop.hive.ql.security.authorization.plugin.HivePrincipal, org.apache.hadoop.hive.ql.security.authorization.plugin.HivePrivilegeObject)() 1468 .getType()); 1469 1470 List<HiveObjectPrivilege> msObjPrivs = mClient.list_privileges( 1471 principalName, principalType, 1472 this.getThriftHiveObjectRef(privObj)); 1473 >>> CID 166074: Null pointer dereferences (NULL_RETURNS) >>> Calling a method on null object "msObjPrivs". 1474 for (HiveObjectPrivilege msObjPriv : msObjPrivs) { 1475 HivePrincipal resPrincipal = new HivePrincipal( 1476 msObjPriv.getPrincipalName(), 1477 AuthorizationUtils.getHivePrincipalType(msObjPriv 1478 .getPrincipalType())); 1479 ** CID 166073: FindBugs: Bad practice (FB.DMI_RANDOM_USED_ONLY_ONCE) /hdfs-agent/src/main/java/org/apache/ranger/authorization/hadoop/RangerHdfsAuthorizer.java: 601 in org.apache.ranger.authorization.hadoop.RangerHdfsPlugin.init()() ________________________________________________________________________________________________________ *** CID 166073: FindBugs: Bad practice (FB.DMI_RANDOM_USED_ONLY_ONCE) /hdfs-agent/src/main/java/org/apache/ranger/authorization/hadoop/RangerHdfsAuthorizer.java: 601 in org.apache.ranger.authorization.hadoop.RangerHdfsPlugin.init()() 595 RangerHdfsPlugin.hadoopAuthEnabled = RangerConfiguration.getInstance().getBoolean(RangerHadoopConstants.RANGER_ADD_HDFS_PERMISSION_PROP, RangerHadoopConstants.RANGER_ADD_HDFS_PERMISSION_DEFAULT); 596 RangerHdfsPlugin.fileNameExtensionSeparator = RangerConfiguration.getInstance().get(RangerHdfsAuthorizer.RANGER_FILENAME_EXTENSION_SEPARATOR_PROP, RangerHdfsAuthorizer.DEFAULT_FILENAME_EXTENSION_SEPARATOR); 597 RangerHdfsPlugin.optimizeSubAccessAuthEnabled = RangerConfiguration.getInstance().getBoolean(RangerHadoopConstants.RANGER_OPTIMIZE_SUBACCESS_AUTHORIZATION_PROP, RangerHadoopConstants.RANGER_OPTIMIZE_SUBACCESS_AUTHORIZATION_DEFAULT); 598 599 // Build random string of random length 600 byte[] bytes = new byte[1]; >>> CID 166073: FindBugs: Bad practice (FB.DMI_RANDOM_USED_ONLY_ONCE) >>> Random object created and used only once. 601 new Random().nextBytes(bytes); 602 int count = bytes[0]; 603 count = count < 56 ? 56 : count; 604 count = count > 112 ? 112 : count; 605 606 String random = RandomStringUtils.random(count, "^&#@!%()-_+=@:;'<>`~abcdefghijklmnopqrstuvwxyz01234567890"); Diffs (updated) ----- hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveAuthorizer.java 6872e50 hive-agent/src/test/java/org/apache/ranger/services/hive/HIVERangerAuthorizerTest.java 011d2c3 Diff: https://reviews.apache.org/r/61202/diff/8/ Changes: https://reviews.apache.org/r/61202/diff/7-8/ Testing ------- tested it Thanks, pengjianhua