Author: markt Date: Tue Aug 2 01:49:53 2016 New Revision: 1754806 URL: http://svn.apache.org/viewvc?rev=1754806&view=rev Log: When retrieving an object via a ResourceLink, ensure that the object obtained is of the expected type. This addresses a long standing FIXME
Modified: tomcat/tc8.5.x/trunk/ (props changed) tomcat/tc8.5.x/trunk/java/org/apache/naming/factory/ResourceLinkFactory.java tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml Propchange: tomcat/tc8.5.x/trunk/ ------------------------------------------------------------------------------ --- svn:mergeinfo (original) +++ svn:mergeinfo Tue Aug 2 01:49:53 2016 @@ -1 +1 @@ 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924,1747980,1747993,1748001,1748253,1748452,1748547,1748629,1748676,1748715,1749287,1749296,1749328,1749373,1749465,1749506,1749508,1749665-1749666,1749763,1749865-1749866,1749898,1749978,1749980,1750011,1750015,1750056,1750480,1750617,1750634,1750692,1750697,1750700,1750703,1750707,1750714,1750718,1750723,1750899,1750975,1750995,1751061,1751097,1751173,1751438,1751447,1751463,1751702,1752212,1752737,1752745,1753358,1753363,1754111,1754140-1754141,1754281,1754310,1754445,1754467,1754494,1754613 Modified: tomcat/tc8.5.x/trunk/java/org/apache/naming/factory/ResourceLinkFactory.java URL: http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/java/org/apache/naming/factory/ResourceLinkFactory.java?rev=1754806&r1=1754805&r2=1754806&view=diff ============================================================================== --- tomcat/tc8.5.x/trunk/java/org/apache/naming/factory/ResourceLinkFactory.java (original) +++ tomcat/tc8.5.x/trunk/java/org/apache/naming/factory/ResourceLinkFactory.java Tue Aug 2 01:49:53 2016 @@ -14,8 +14,6 @@ * See the License for the specific language governing permissions and * limitations under the License. */ - - package org.apache.naming.factory; import java.util.Hashtable; @@ -29,22 +27,15 @@ import javax.naming.spi.ObjectFactory; import org.apache.naming.ResourceLinkRef; - /** * <p>Object factory for resource links.</p> * * @author Remy Maucherat */ -public class ResourceLinkFactory - implements ObjectFactory { - - - // ----------------------------------------------------------- Constructors - +public class ResourceLinkFactory implements ObjectFactory { // ------------------------------------------------------- Static Variables - /** * Global naming context. */ @@ -53,7 +44,6 @@ public class ResourceLinkFactory // --------------------------------------------------------- Public Methods - /** * Set the global context (note: can only be used once). * @@ -71,7 +61,6 @@ public class ResourceLinkFactory // -------------------------------------------------- ObjectFactory Methods - /** * Create a new DataSource instance. * @@ -79,11 +68,11 @@ public class ResourceLinkFactory */ @Override public Object getObjectInstance(Object obj, Name name, Context nameCtx, - Hashtable<?,?> environment) - throws NamingException { + Hashtable<?,?> environment) throws NamingException { - if (!(obj instanceof ResourceLinkRef)) + if (!(obj instanceof ResourceLinkRef)) { return null; + } // Can we process this request? Reference ref = (Reference) obj; @@ -95,14 +84,20 @@ public class ResourceLinkFactory globalName = refAddr.getContent().toString(); Object result = null; result = globalContext.lookup(globalName); - // FIXME: Check type + // Check the expected type + String expectedClassName = ref.getClassName(); + try { + Class<?> expectedClazz = Class.forName( + expectedClassName, true, Thread.currentThread().getContextClassLoader()); + if (!expectedClazz.isAssignableFrom(result.getClass())) { + throw new IllegalArgumentException(); + } + } catch (ClassNotFoundException e) { + throw new IllegalStateException(e); + } return result; } - return (null); - - + return null; } - - } Modified: tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml URL: http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml?rev=1754806&r1=1754805&r2=1754806&view=diff ============================================================================== --- tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml (original) +++ tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml Tue Aug 2 01:49:53 2016 @@ -90,6 +90,10 @@ extend SecurityManager protection to the system property replacement feature of the digester. (markt) </add> + <add> + When retrieving an object via a <code>ResourceLink</code>, ensure that + the object obtained is of the expected type. (markt) + </add> </changelog> </subsection> <subsection name="Coyote"> --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org