davfs2 - Bugs: bug #58932, Improve illegal 304 handling

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bug #58932: Improve illegal 304 handling

Submitter:	None
Submitted:	Mon 10 Aug 2020 07:30:51 PM UTC


Category:	None	Severity:	3 - Normal
Item Group:	None	Status:	Wont Fix
Privacy:	Public	Assigned to:	_71007
Open/Closed:	Open

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Tue 11 Aug 2020 01:40:41 PM UTC, comment #1:

Why not fix the broken cache?

HTTP caches are in heavy use for about 25 years no. A software with a bug like this should not be deployed.

Werner

- <_71007>

Mon 10 Aug 2020 07:30:51 PM UTC, original submission:

I have a broken cache server. When it receives a GET request for a file, and the its cached copy is expired but valid, it forwards a 304 (NOT MODFIED) response code from its upstream WebDAV server back to its client. If davfs2 is the client, it incorrectly assumes the 304 has the requested file attached as the body of the response. It reads an empty response and assumes the requested file is empty. The user ends up with an empty file in the davfs2 mount.

This isn't a bug in davfs, per se, but it does provide a bad user experience. Would it be possible for davfs2 to not generate the file and write an error message to the syslog daemon indicating what happened?

Anonymous

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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Date	Changed by	Updated Field	Previous Value	=>	Replaced by
2020-08-11	_71007	Status	None		Wont Fix
		Assigned to	None		_71007

davfs2 - Bugs: bug #58932, Improve illegal 304 handling

bug #58932: Improve illegal 304 handling

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