From e43656c711e952dcf85e3c0213dd7c8959f9c85f Mon Sep 17 00:00:00 2001 From: Alejandro Abdelnur Date: Tue, 28 Feb 2012 18:26:53 +0000 Subject: [PATCH] HADOOP-8098. KerberosAuthenticatorHandler should use _HOST replacement to resolve principal name (tucu) git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1294757 13f79535-47bb-0310-9956-ffa450edef68 --- .../hadoop-common/CHANGES.txt | 3 +++ .../content/xdocs/HttpAuthentication.xml | 3 ++- .../org/apache/hadoop/http/HttpServer.java | 4 ++++ .../AuthenticationFilterInitializer.java | 19 +++++++++++++++++-- .../src/main/resources/core-default.xml | 2 +- .../security/TestAuthenticationFilter.java | 6 +++++- 6 files changed, 32 insertions(+), 5 deletions(-) diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt index 5ed558f9f9..08a537858b 100644 --- a/hadoop-common-project/hadoop-common/CHANGES.txt +++ b/hadoop-common-project/hadoop-common/CHANGES.txt @@ -154,6 +154,9 @@ Release 0.23.3 - UNRELEASED HADOOP-8085. Add RPC metrics to ProtobufRpcEngine. (Hari Mankude via suresh) + HADOOP-8098. KerberosAuthenticatorHandler should use _HOST replacement to + resolve principal name (tucu) + OPTIMIZATIONS BUG FIXES diff --git a/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/HttpAuthentication.xml b/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/HttpAuthentication.xml index ad98c112f7..270e9517ed 100644 --- a/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/HttpAuthentication.xml +++ b/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/HttpAuthentication.xml @@ -111,7 +111,8 @@

hadoop.http.authentication.kerberos.principal: Indicates the Kerberos principal to be used for HTTP endpoint when using 'kerberos' authentication. The principal short name must be HTTP per Kerberos HTTP SPENGO specification. - The default value is HTTP/localhost@$LOCALHOST. + The default value is HTTP/_HOST@$LOCALHOST, where _HOST -if present- + is replaced with bind address of the HTTP server.

hadoop.http.authentication.kerberos.keytab: Location of the keytab file diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java index 571a296fc9..979ec7656e 100644 --- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java +++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java @@ -100,6 +100,8 @@ public class HttpServer implements FilterContainer { public static final String CONF_CONTEXT_ATTRIBUTE = "hadoop.conf"; static final String ADMINS_ACL = "admins.acl"; + public static final String BIND_ADDRESS = "bind.address"; + private AccessControlList adminsAcl; protected final Server webServer; @@ -243,6 +245,8 @@ public HttpServer(String name, String bindAddress, int port, addGlobalFilter("safety", QuotingInputFilter.class.getName(), null); final FilterInitializer[] initializers = getFilterInitializers(conf); if (initializers != null) { + conf = new Configuration(conf); + conf.set(BIND_ADDRESS, bindAddress); for(FilterInitializer c : initializers) { c.initFilter(this, conf); } diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/AuthenticationFilterInitializer.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/AuthenticationFilterInitializer.java index 37fc3be05c..1509d247fa 100644 --- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/AuthenticationFilterInitializer.java +++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/AuthenticationFilterInitializer.java @@ -17,10 +17,12 @@ */ package org.apache.hadoop.security; +import org.apache.hadoop.http.HttpServer; import org.apache.hadoop.security.authentication.server.AuthenticationFilter; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.http.FilterContainer; import org.apache.hadoop.http.FilterInitializer; +import org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler; import java.io.FileReader; import java.io.IOException; @@ -46,7 +48,7 @@ public class AuthenticationFilterInitializer extends FilterInitializer { static final String PREFIX = "hadoop.http.authentication."; static final String SIGNATURE_SECRET_FILE = AuthenticationFilter.SIGNATURE_SECRET + ".file"; - + /** * Initializes hadoop-auth AuthenticationFilter. *

@@ -90,7 +92,20 @@ public void initFilter(FilterContainer container, Configuration conf) { } catch (IOException ex) { throw new RuntimeException("Could not read HTTP signature secret file: " + signatureSecretFile); } - + + //Resolve _HOST into bind address + String bindAddress = conf.get(HttpServer.BIND_ADDRESS); + String principal = filterConfig.get(KerberosAuthenticationHandler.PRINCIPAL); + 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); + } + container.addFilter("authentication", AuthenticationFilter.class.getName(), filterConfig); diff --git a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml index 9781e9aec0..8fc45c5efc 100644 --- a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml +++ b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml @@ -833,7 +833,7 @@ hadoop.http.authentication.kerberos.principal - HTTP/localhost@LOCALHOST + HTTP/_HOST@LOCALHOST Indicates the Kerberos principal to be used for HTTP endpoint. The principal MUST start with 'HTTP/' as per Kerberos HTTP SPNEGO specification. diff --git a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestAuthenticationFilter.java b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestAuthenticationFilter.java index 2d699ddcf1..3c12047be2 100644 --- a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestAuthenticationFilter.java +++ b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestAuthenticationFilter.java @@ -18,9 +18,11 @@ import junit.framework.TestCase; +import org.apache.hadoop.http.HttpServer; import org.apache.hadoop.security.authentication.server.AuthenticationFilter; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.http.FilterContainer; +import org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler; import org.mockito.Mockito; import org.mockito.invocation.InvocationOnMock; import org.mockito.stubbing.Answer; @@ -48,6 +50,8 @@ public void testConfiguration() throws Exception { AuthenticationFilterInitializer.SIGNATURE_SECRET_FILE, secretFile.getAbsolutePath()); + conf.set(HttpServer.BIND_ADDRESS, "barhost"); + FilterContainer container = Mockito.mock(FilterContainer.class); Mockito.doAnswer( new Answer() { @@ -67,7 +71,7 @@ public Object answer(InvocationOnMock invocationOnMock) assertEquals("hadoop", conf.get("signature.secret")); assertNull(conf.get("cookie.domain")); assertEquals("true", conf.get("simple.anonymous.allowed")); - assertEquals("HTTP/localhost@LOCALHOST", + assertEquals("HTTP/barhost@LOCALHOST", conf.get("kerberos.principal")); assertEquals(System.getProperty("user.home") + "/hadoop.keytab", conf.get("kerberos.keytab"));