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YARN-2247. Made RM web services authenticate users via kerberos and d…
…elegation token. Contributed by Varun Vasudev. svn merge --ignore-ancestry -c 1613821 ../../trunk/ git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.5@1613823 13f79535-47bb-0310-9956-ffa450edef68
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63 changes: 63 additions & 0 deletions
63
...mon/src/main/java/org/apache/hadoop/yarn/server/security/http/RMAuthenticationFilter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /** | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.hadoop.yarn.server.security.http; | ||
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| import java.util.Properties; | ||
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| import javax.servlet.FilterConfig; | ||
| import javax.servlet.ServletException; | ||
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| import org.apache.hadoop.classification.InterfaceAudience.Private; | ||
| import org.apache.hadoop.classification.InterfaceStability.Unstable; | ||
| import org.apache.hadoop.security.authentication.server.AuthenticationFilter; | ||
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| @Private | ||
| @Unstable | ||
| public class RMAuthenticationFilter extends AuthenticationFilter { | ||
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| public static final String AUTH_HANDLER_PROPERTY = | ||
| "yarn.resourcemanager.authentication-handler"; | ||
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| public RMAuthenticationFilter() { | ||
| } | ||
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| @Override | ||
| protected Properties getConfiguration(String configPrefix, | ||
| FilterConfig filterConfig) throws ServletException { | ||
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| // In yarn-site.xml, we can simply set type to "kerberos". However, we need | ||
| // to replace the name here to use the customized Kerberos + DT service | ||
| // instead of the standard Kerberos handler. | ||
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| Properties properties = super.getConfiguration(configPrefix, filterConfig); | ||
| String yarnAuthHandler = properties.getProperty(AUTH_HANDLER_PROPERTY); | ||
| if (yarnAuthHandler == null || yarnAuthHandler.isEmpty()) { | ||
| // if http auth type is simple, the default authentication filter | ||
| // will handle it, else throw an exception | ||
| if (!properties.getProperty(AUTH_TYPE).equals("simple")) { | ||
| throw new ServletException("Authentication handler class is empty"); | ||
| } | ||
| } | ||
| if (properties.getProperty(AUTH_TYPE).equalsIgnoreCase("kerberos")) { | ||
| properties.setProperty(AUTH_TYPE, yarnAuthHandler); | ||
| } | ||
| return properties; | ||
| } | ||
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|
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| } |
121 changes: 121 additions & 0 deletions
121
...n/java/org/apache/hadoop/yarn/server/security/http/RMAuthenticationFilterInitializer.java
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| @@ -0,0 +1,121 @@ | ||
| /** | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.hadoop.yarn.server.security.http; | ||
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| import java.io.FileInputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStreamReader; | ||
| import java.io.Reader; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
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| import org.apache.commons.io.IOUtils; | ||
| import org.apache.hadoop.classification.InterfaceStability.Unstable; | ||
| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.http.FilterContainer; | ||
| import org.apache.hadoop.http.FilterInitializer; | ||
| import org.apache.hadoop.http.HttpServer2; | ||
| import org.apache.hadoop.security.SecurityUtil; | ||
| import org.apache.hadoop.security.UserGroupInformation; | ||
| import org.apache.hadoop.security.authentication.server.AuthenticationFilter; | ||
| import org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler; | ||
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| @Unstable | ||
| public class RMAuthenticationFilterInitializer extends FilterInitializer { | ||
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| String configPrefix; | ||
| String signatureSecretFileProperty; | ||
| String kerberosPrincipalProperty; | ||
| String cookiePath; | ||
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| public RMAuthenticationFilterInitializer() { | ||
| this.configPrefix = "hadoop.http.authentication."; | ||
| this.signatureSecretFileProperty = | ||
| AuthenticationFilter.SIGNATURE_SECRET + ".file"; | ||
| this.kerberosPrincipalProperty = KerberosAuthenticationHandler.PRINCIPAL; | ||
| this.cookiePath = "/"; | ||
| } | ||
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| protected Map<String, String> createFilterConfig(Configuration conf) { | ||
| Map<String, String> filterConfig = new HashMap<String, String>(); | ||
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| // setting the cookie path to root '/' so it is used for all resources. | ||
| filterConfig.put(AuthenticationFilter.COOKIE_PATH, cookiePath); | ||
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| for (Map.Entry<String, String> entry : conf) { | ||
| String name = entry.getKey(); | ||
| if (name.startsWith(configPrefix)) { | ||
| String value = conf.get(name); | ||
| name = name.substring(configPrefix.length()); | ||
| filterConfig.put(name, value); | ||
| } | ||
| } | ||
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| String signatureSecretFile = filterConfig.get(signatureSecretFileProperty); | ||
| if (signatureSecretFile != null) { | ||
| Reader reader = null; | ||
| try { | ||
| StringBuilder secret = new StringBuilder(); | ||
| reader = | ||
| new InputStreamReader(new FileInputStream(signatureSecretFile), | ||
| "UTF-8"); | ||
| int c = reader.read(); | ||
| while (c > -1) { | ||
| secret.append((char) c); | ||
| c = reader.read(); | ||
| } | ||
| filterConfig.put(AuthenticationFilter.SIGNATURE_SECRET, | ||
| secret.toString()); | ||
| } catch (IOException ex) { | ||
| // if running in non-secure mode, this filter only gets added | ||
| // because the user has not setup his own filter so just generate | ||
| // a random secret. in secure mode, the user needs to setup security | ||
| if (UserGroupInformation.isSecurityEnabled()) { | ||
| throw new RuntimeException( | ||
| "Could not read HTTP signature secret file: " + signatureSecretFile); | ||
| } | ||
| } finally { | ||
| IOUtils.closeQuietly(reader); | ||
| } | ||
| } | ||
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| // Resolve _HOST into bind address | ||
| String bindAddress = conf.get(HttpServer2.BIND_ADDRESS); | ||
| String principal = filterConfig.get(kerberosPrincipalProperty); | ||
| if (principal != null) { | ||
| try { | ||
| principal = SecurityUtil.getServerPrincipal(principal, bindAddress); | ||
| } catch (IOException ex) { | ||
| throw new RuntimeException( | ||
| "Could not resolve Kerberos principal name: " + ex.toString(), ex); | ||
| } | ||
| filterConfig.put(KerberosAuthenticationHandler.PRINCIPAL, principal); | ||
| } | ||
| return filterConfig; | ||
| } | ||
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| @Override | ||
| public void initFilter(FilterContainer container, Configuration conf) { | ||
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| Map<String, String> filterConfig = createFilterConfig(conf); | ||
| container.addFilter("YARNAuthenticationFilter", | ||
| RMAuthenticationFilter.class.getName(), filterConfig); | ||
| } | ||
|
|
||
| } |
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