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Re: Vnode scope implementation
Sorry for the delay, I was a bit busy.
I don't see any reason to hold with implementing the vnode scope just
because we can't control operations on a remote host. Therefore, I'll
give it a few more days (just in case) before moving forward.
Elad Efrat wrote:
On Tue, Aug 4, 2009 at 2:07 AM, YAMAMOTO
but IIUC it can prevent what the
remote file-system would allow
sometimes it can, but in general it can't.
1. a client sends a request to a server.
2. the server decided to allow the operation, and actually process it,
and return the result to the client.
ie. you don't have a chance to pass "fs_decision" to kauth.
Ugh, the above was an obvious typo on my part. I agree, we don't have
a chance to pass fs_decision to kauth(9) because the remote server
will already perform the operation.
Should we enforce that
limitation on all file-systems, or make remote file-systems an
exception? Veriexec sets a precedent of the latter, which I think
makes sense. Do you have something else in mind?
i'm not sure if "remote file-systems or not" is a good classification
How else would you classify it? and you still don't answer the
question of whether you have a solution that will not be considered
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