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From "Loris Bouzonnet (JIRA)" <j...@apache.org>
Subject [jira] Commented: (FELIX-837) Setting the SecurityManager in a bundle generate an infinite loop
Date Thu, 27 Nov 2008 14:56:44 GMT

    [ https://issues.apache.org/jira/browse/FELIX-837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12651364#action_12651364
] 

Loris Bouzonnet commented on FELIX-837:
---------------------------------------

Thank you Karl to consider my request.
I recognize that's not a good idea of specifying a security manager inside a bundle, but it's
needed to support legacy codes :-(
I'm going to try the 2nd workaround (I need URLHandlers).

> Setting the SecurityManager in a bundle generate an infinite loop
> -----------------------------------------------------------------
>
>                 Key: FELIX-837
>                 URL: https://issues.apache.org/jira/browse/FELIX-837
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.4.0
>            Reporter: Loris Bouzonnet
>            Assignee: Karl Pauls
>            Priority: Minor
>             Fix For: felix-1.4.1
>
>         Attachments: sm-test.zip
>
>
> Since Felix 1.4.0, each method invocation is now check in the class SecureAction. When
we DON'T set the security manager as argument of the command line and a started bundle tries
to set this one, we always get an infinite loop:
> 	at java.net.URL.<init>(URL.java:413)
> 	at sun.security.provider.PolicyFile$3.run(PolicyFile.java:676)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at sun.security.provider.PolicyFile.initStaticPolicy(PolicyFile.java:617)
> 	at sun.security.provider.PolicyFile.<init>(PolicyFile.java:314)
> 	at java.security.Policy.getPolicyNoCheck(Policy.java:145)
> 	at java.security.ProtectionDomain.implies(ProtectionDomain.java:195)
> 	at java.security.AccessControlContext.checkPermission(AccessControlContext.java:249)
> 	at java.security.AccessController.checkPermission(AccessController.java:427)
> 	at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
> 	at java.lang.reflect.AccessibleObject.setAccessible(AccessibleObject.java:107)
> 	at org.apache.felix.framework.util.SecureAction$Actions.run(SecureAction.java:1123)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at org.apache.felix.framework.util.SecureAction.invoke(SecureAction.java:754)
> 	at org.apache.felix.framework.URLHandlersStreamHandlerProxy.getStreamHandlerService(URLHandlersStreamHandlerProxy.java:400)
> 	at org.apache.felix.framework.URLHandlersStreamHandlerProxy.parseURL(URLHandlersStreamHandlerProxy.java:267)
> 	at java.net.URL.<init>(URL.java:596)
> 	at java.net.URL.<init>(URL.java:464)
> 	at java.net.URL.<init>(URL.java:413)
> 	at sun.security.provider.PolicyFile$3.run(PolicyFile.java:676)
> ... until a stack overflow.
> To reproduce it, just start the attached bundle that does:
> System.setSecurityManager(new RMISecurityManager());
> URL wantBug = new URL("http://felix.apache.org");
> System.out.println("I want a bug: " + wantBug.toExternalForm());
> If the security manager is set in the command line, there is no bug.

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