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[multiple changes]

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2005-11-15  Andrew Haley  <aph@redhat.com>

        * Merge from Classpath head:

   2005-09-16  Andrew Haley  <aph@redhat.com>
   
           * java/io/ObjectStreamClass.java (findAccessibleMethod): Allow
           protected readResolve().  Rewrite accessibility check.
   
   2005-07-07  Jeroen Frijters  <jeroen@frijters.net>
   
           * java/io/ObjectStreamClass.java
           (findAccessibleMethod): Added code to make method accessible.
   
   2005-07-03  Daniel Bonniot  <bonniot@users.sf.net>
   
           * java/io/ObjectStreamClass.java (inSamePackage): New private method.
           (findAccessibleMethod): Likewise.
           (cacheMethods): Lookup readResolve and writeReplace using the new
           findAccessibleMethod().

From-SVN: r107029
This commit is contained in:
Andrew Haley 2005-11-15 17:34:11 +00:00 committed by Andrew Haley
parent 5ec0b2e592
commit 2dfedb225b
2 changed files with 73 additions and 4 deletions
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21
libjava/ChangeLog
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@ -1,3 +1,24 @@
2005-11-15 Andrew Haley <aph@redhat.com>
* Merge from Classpath head:
2005-09-16 Andrew Haley <aph@redhat.com>
* java/io/ObjectStreamClass.java (findAccessibleMethod): Allow
protected readResolve(). Rewrite accessibility check.
2005-07-07 Jeroen Frijters <jeroen@frijters.net>
* java/io/ObjectStreamClass.java
(findAccessibleMethod): Added code to make method accessible.
2005-07-03 Daniel Bonniot <bonniot@users.sf.net>
* java/io/ObjectStreamClass.java (inSamePackage): New private method.
(findAccessibleMethod): Likewise.
(cacheMethods): Lookup readResolve and writeReplace using the new
findAccessibleMethod().
2005-11-14 Mohan Embar <gnustuff@thisiscool.com>
* java/net/natVMNetworkInterfaceWin32.cc: Include

56
libjava/java/io/ObjectStreamClass.java
View File

@ -486,19 +486,67 @@ outer:
return null;
}
private static boolean inSamePackage(Class c1, Class c2)
{
String name1 = c1.getName();
String name2 = c2.getName();
int id1 = name1.lastIndexOf('.');
int id2 = name2.lastIndexOf('.');
// Handle the default package
if (id1 == -1 || id2 == -1)
return id1 == id2;
String package1 = name1.substring(0, id1);
String package2 = name2.substring(0, id2);
return package1.equals(package2);
}
final static Class[] noArgs = new Class[0];
private static Method findAccessibleMethod(String name, Class from)
{
for (Class c = from; c != null; c = c.getSuperclass())
{
try
{
Method res = c.getDeclaredMethod(name, noArgs);
int mods = res.getModifiers();
if (c == from
|| Modifier.isProtected(mods)
|| Modifier.isPublic(mods)
|| (! Modifier.isPrivate(mods) && inSamePackage(c, from)))
{
AccessController.doPrivileged(new SetAccessibleAction(res));
return res;
}
}
catch (NoSuchMethodException e)
{
}
}
return null;
}
private void cacheMethods()
{
Method[] methods = forClass().getDeclaredMethods();
readObjectMethod = findMethod(methods, "readObject",
new Class[] { ObjectInputStream.class },
Void.TYPE, true);
writeObjectMethod = findMethod(methods, "writeObject",
new Class[] { ObjectOutputStream.class },
Void.TYPE, true);
readResolveMethod = findMethod(methods, "readResolve",
new Class[0], Object.class, false);
writeReplaceMethod = findMethod(methods, "writeReplace",
new Class[0], Object.class, false);
// readResolve and writeReplace can be in parent classes, as long as they
// are accessible from this class.
readResolveMethod = findAccessibleMethod("readResolve", forClass());
writeReplaceMethod = findAccessibleMethod("writeReplace", forClass());
}
private ObjectStreamClass(Class cl)