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From "George Harley (JIRA)" <j...@apache.org>
Subject [jira] Closed: (HARMONY-295) java.util.jar.JarInputStream does not throw Security Exception according to Java 5.0 Spec
Date Mon, 10 Apr 2006 14:15:00 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-295?page=all ]
     
George Harley closed HARMONY-295:
---------------------------------


Verified by Richard. 

> java.util.jar.JarInputStream does not throw Security Exception according to Java 5.0
Spec
> -----------------------------------------------------------------------------------------
>
>          Key: HARMONY-295
>          URL: http://issues.apache.org/jira/browse/HARMONY-295
>      Project: Harmony
>         Type: Bug

>   Components: Classlib
>     Reporter: Richard Liang
>     Assignee: George Harley
>     Priority: Minor
>  Attachments: Harmony295.zip, Modified_Manifest_MainAttributes.jar
>
> According to the new feature in JAR File Specification for java 5.0, .SF signature file
which verifies the manifest has a new algorithm. If the main attributes are tampered, harmony
will not throw security exception while RI 5.0 will.
> Here is the test code to demo this issue:
>     public void test_JarInputStream_Modified_Manifest_MainAttributes()
>             throws IOException {
>         String path = URLDecoder.decode(this.getClass().getResource(".")
>                 .getPath(), "UTF-8");
>         FileInputStream fin = new FileInputStream(path
>                 + "/Modified_Manifest_MainAttributes.jar");
>         ZipEntry zipEntry = null;
>         JarInputStream jin = new JarInputStream(fin, true);
>         final int indexofDSA = 2;
>         final int totalEntries = 4;
>         int count = 0;
>         while (count == 0 || zipEntry != null) {
>             count++;
>             try {
>                 zipEntry = jin.getNextEntry();
>                 if (count == indexofDSA + 1)
>                     fail("Should throw Security Exception");
>             } catch (SecurityException e) {
>                 if (count != indexofDSA + 1)
>                     throw e;
>             }
>         }
>         assertEquals(totalEntries + 2, count);
>         jin.close();
>         fin.close();
>     }

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