Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 8584] New: support for NFSv4.1 open access modes including delegation wants

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Bug ID	8584
Summary	support for NFSv4.1 open access modes including delegation wants
Classification	Unclassified
Product	Wireshark
Version	unspecified
Hardware	x86
OS	All
Status	UNCONFIRMED
Severity	Major
Priority	Low
Component	Wireshark
Assignee	bugzilla-admin@wireshark.org
Reporter	bfields@fieldses.org

Build Information:

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The open share access field of a 4.1 OPEN is a little odd: it's an ordinary
4-byte unsigned xdr integer, but the low byte is interpreted as an integer
choosing the usual access mode (read, write, or both), the next byte is an
integer allowing the client to request some kind of delegation, and the third
byte is a bitmask telling the server what to do if a delegation isn't available
now but becomes available later.

I'm adding two new items, one a tree representing the bitmask, but adding them
conditionally only when they're non-zero (as they normally will be for now, the
new stuff in the high bytes being a recent 4.1 addition).

That's an improvement over what we do now (refuse to interpret the field at all
when the new stuff is present).  But there's probably some better approach.

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