Race condition in req.sendfile().
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Key: MODPYTHON-233
URL: https://issues.apache.org/jira/browse/MODPYTHON-233
Project: mod_python
Issue Type: Bug
Components: core
Affects Versions: 3.3.1
Reporter: Graham Dumpleton
Priority: Minor
In code for req.sendfile() if no length is supplied indicating how much data
should be sent then a stat() is performed on the file to determine the amount
of data in the file. The file is then opened and that much data sent.
Technically this would be a problem if the file changed in between the stat()
and sending the data. The result could be that not all data in the file is sent.
To possibly avoid this problem, but also may improve efficiency of sending
files, it would probably be better if an APR file bucket be created and added
to the output bucket chain rather than mod_python itself reading data from the
file and write it back in the response.
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