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From aajis...@apache.org
Subject [hadoop] branch trunk updated: SPNEGO TLS verification
Date Sat, 02 May 2020 12:51:20 GMT
This is an automated email from the ASF dual-hosted git repository.

aajisaka pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/hadoop.git


The following commit(s) were added to refs/heads/trunk by this push:
     new ba66f3b  SPNEGO TLS verification
ba66f3b is described below

commit ba66f3b454a5f6ea84f2cf7ac0082c555e2954a7
Author: Eric Yang <eyang@apache.org>
AuthorDate: Tue Mar 31 13:37:55 2020 -0400

    SPNEGO TLS verification
    
    Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
---
 .../main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java   | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
index 4caa0e9..a2eaa33 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
@@ -152,6 +152,7 @@ public class WebHdfsFileSystem extends FileSystem
       + "/v" + VERSION;
   public static final String EZ_HEADER = "X-Hadoop-Accept-EZ";
   public static final String FEFINFO_HEADER = "X-Hadoop-feInfo";
+  public static final String DFS_HTTP_POLICY_KEY = "dfs.http.policy";
 
   /**
    * Default connection factory may be overridden in tests to use smaller
@@ -181,6 +182,7 @@ public class WebHdfsFileSystem extends FileSystem
 
   private DFSOpsCountStatistics storageStatistics;
   private KeyProvider testProvider;
+  private boolean isTLSKrb;
 
   /**
    * Return the protocol scheme for the FileSystem.
@@ -242,6 +244,7 @@ public class WebHdfsFileSystem extends FileSystem
           .newDefaultURLConnectionFactory(connectTimeout, readTimeout, conf);
     }
 
+    this.isTLSKrb = "HTTPS_ONLY".equals(conf.get(DFS_HTTP_POLICY_KEY));
 
     ugi = UserGroupInformation.getCurrentUser();
     this.uri = URI.create(uri.getScheme() + "://" + uri.getAuthority());
@@ -699,6 +702,11 @@ public class WebHdfsFileSystem extends FileSystem
       //redirect hostname and port
       redirectHost = null;
 
+      if (url.getProtocol().equals(getTransportScheme()) &&
+        UserGroupInformation.isSecurityEnabled() &&
+        isTLSKrb) {
+        throw new IOException("Access denied: dfs.http.policy is HTTPS_ONLY.");
+      }
 
       // resolve redirects for a DN operation unless already resolved
       if (op.getRedirect() && !redirected) {


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