CXFServlet / URIResolver tries to load file "" (empty file name)
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Key: CXF-2087
URL: https://issues.apache.org/jira/browse/CXF-2087
Project: CXF
Issue Type: Bug
Affects Versions: 2.1.4
Environment: Redhat 5.2; Java 1.6.0u12; Tomcat 6.0.18; CXF 2.1.4 -
java security enabled
Reporter: Greg Vanore
Priority: Minor
When I enable Java security, I get the following stack trace after allowing
permission to 'cxf.xml' and '/WEB-INF/cxf-servlet.xml':
java.security.AccessControlException: access denied (java.io.FilePermission
read)
java.security.AccessControlContext.checkPermission(AccessControlContext.java:323)
java.security.AccessController.checkPermission(AccessController.java:546)
java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
java.lang.SecurityManager.checkRead(SecurityManager.java:871)
java.io.File.exists(File.java:731)
org.apache.cxf.resource.URIResolver.tryFileSystem(URIResolver.java:158)
org.apache.cxf.resource.URIResolver.<init>(URIResolver.java:84)
org.apache.cxf.resource.URIResolver.<init>(URIResolver.java:72)
org.apache.cxf.resource.URIResolver.<init>(URIResolver.java:68)
org.apache.cxf.transport.servlet.CXFServlet.loadAdditionalConfig(CXFServlet.java:148)
org.apache.cxf.transport.servlet.CXFServlet.updateContext(CXFServlet.java:134)
org.apache.cxf.transport.servlet.CXFServlet.loadSpringBus(CXFServlet.java:101)
org.apache.cxf.transport.servlet.CXFServlet.loadBus(CXFServlet.java:70)
org.apache.cxf.transport.servlet.AbstractCXFServlet.init(AbstractCXFServlet.java:79)
Looking through the code, I see that CXFServlet uses the URIResolver
constructor that calls this("", path). (lines 67-69).
Later in the tryFileSystem method, URIResolver null-checks the baseUriStr and
then attempts to analyze it. The first File.exists() call triggers the
FilePermission exception.
I believe that this can be fixed if the URIResolver constructor calls
this(null, path) instead of this("", path). Granting read permission to ""
*DOES* solve the issue as a workaround, but it's less than ideal - security
policies are often scrutinized and something like that may raise flags.
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