Comment 4 for bug 604180

Ok, that's what I hoped you meant. :)

As I understand gksudo, it is in fact a wrapper for sudo. That is, it always calls sudo regardless, and parses its output to determine if password entry was successful. The source of this bug is that sudo aborts with an error message that gksudo didn't expect.

I believe the bug is in package libgksu, in particular (I suspect) in gksu-run-helper.c.

To fix the bug, we don't need to fundamentally change the behavior of gksudo, we just need to make sure that it deals appropriately with unexpected output from its child process.