Author: markt
Date: Fri Oct 6 13:15:57 2017
New Revision: 1811328
URL: http://svn.apache.org/viewvc?rev=1811328&view=rev
Log:
Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=61568
Avoid a potential SecurityException when using the NIO2 connector and a new
thread is added to the pool.
Modified:
tomcat/trunk/java/org/apache/tomcat/util/security/PrivilegedSetTccl.java
tomcat/trunk/java/org/apache/tomcat/util/threads/TaskThreadFactory.java
tomcat/trunk/webapps/docs/changelog.xml
Modified:
tomcat/trunk/java/org/apache/tomcat/util/security/PrivilegedSetTccl.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/util/security/PrivilegedSetTccl.java?rev=1811328&r1=1811327&r2=1811328&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/util/security/PrivilegedSetTccl.java
(original)
+++ tomcat/trunk/java/org/apache/tomcat/util/security/PrivilegedSetTccl.java
Fri Oct 6 13:15:57 2017
@@ -20,15 +20,22 @@ import java.security.PrivilegedAction;
public class PrivilegedSetTccl implements PrivilegedAction<Void> {
- private ClassLoader cl;
+ private final ClassLoader cl;
+ private final Thread t;
public PrivilegedSetTccl(ClassLoader cl) {
+ this(Thread.currentThread(), cl);
+ }
+
+ public PrivilegedSetTccl(Thread t, ClassLoader cl) {
+ this.t = t;
this.cl = cl;
}
+
@Override
public Void run() {
- Thread.currentThread().setContextClassLoader(cl);
+ t.setContextClassLoader(cl);
return null;
}
}
\ No newline at end of file
Modified:
tomcat/trunk/java/org/apache/tomcat/util/threads/TaskThreadFactory.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/util/threads/TaskThreadFactory.java?rev=1811328&r1=1811327&r2=1811328&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/util/threads/TaskThreadFactory.java
(original)
+++ tomcat/trunk/java/org/apache/tomcat/util/threads/TaskThreadFactory.java Fri
Oct 6 13:15:57 2017
@@ -45,28 +45,21 @@ public class TaskThreadFactory implement
@Override
public Thread newThread(Runnable r) {
- ClassLoader loader = Thread.currentThread().getContextClassLoader();
- try {
- // Threads should not be created by the webapp classloader
- if (Constants.IS_SECURITY_ENABLED) {
- PrivilegedAction<Void> pa = new PrivilegedSetTccl(
- getClass().getClassLoader());
- AccessController.doPrivileged(pa);
- } else {
- Thread.currentThread().setContextClassLoader(
- getClass().getClassLoader());
- }
- TaskThread t = new TaskThread(group, r, namePrefix +
threadNumber.getAndIncrement());
- t.setDaemon(daemon);
- t.setPriority(threadPriority);
- return t;
- } finally {
- if (Constants.IS_SECURITY_ENABLED) {
- PrivilegedAction<Void> pa = new PrivilegedSetTccl(loader);
- AccessController.doPrivileged(pa);
- } else {
- Thread.currentThread().setContextClassLoader(loader);
- }
+ TaskThread t = new TaskThread(group, r, namePrefix +
threadNumber.getAndIncrement());
+ t.setDaemon(daemon);
+ t.setPriority(threadPriority);
+
+ // Set the context class loader of newly created threads to be the
class
+ // loader that loaded this factory. This avoids retaining references to
+ // web application class loaders and similar.
+ if (Constants.IS_SECURITY_ENABLED) {
+ PrivilegedAction<Void> pa = new PrivilegedSetTccl(
+ t, getClass().getClassLoader());
+ AccessController.doPrivileged(pa);
+ } else {
+ t.setContextClassLoader(getClass().getClassLoader());
}
+
+ return t;
}
}
Modified: tomcat/trunk/webapps/docs/changelog.xml
URL:
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1811328&r1=1811327&r2=1811328&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Fri Oct 6 13:15:57 2017
@@ -56,6 +56,10 @@
<subsection name="Coyote">
<changelog>
<fix>
+ <bug>61568</bug>: Avoid a potential <code>SecurityException</code> when
+ using the NIO2 connector and a new thread is added to the pool. (markt)
+ </fix>
+ <fix>
<bug>61583</bug>: Correct a further regression in the fix to enable the
use of Java key stores that contained multiple keys that did not all
have the same password. This fixes PKCS11 key store handling with
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