New submission from Stephen Warren <[EMAIL PROTECTED]>:
Run the following Python script, on Unix/Linux:
==========
import zipfile
z = zipfile.ZipFile('zipbad.zip', 'w')
z.writestr('filebad.txt', 'Some content')
z.close()
z = zipfile.ZipFile('zipgood.zip', 'w')
zi = zipfile.ZipInfo('filegood.txt')
zi.external_attr = 0660 << 16L
z.writestr(zi, 'Some content')
z.close()
==========
Like this:
python testzip.py && unzip zipbad.zip && unzip zipgood.zip && ls -l
file*.txt
You'll see:
---------- 1 swarren swarren 12 2008-07-17 12:54 filebad.txt
-rw-rw---- 1 swarren swarren 12 1980-01-01 00:00 filegood.txt
Note that filebad.txt is extracted with mode 000.
The WAR (used for filegood.txt) is to pass writestr a ZipInfo class with
external_attr pre-initialized. However, writestr should perform this
assignment itself, to be consistent with write. I haven't checked, but
there's probably a bunch of other stuff in write that writestr should do
too.
----------
components: Extension Modules
messages: 69898
nosy: swarren
severity: normal
status: open
title: zipfile.writestr doesn't set external attributes, so files are extracted
mode 000 on Unix
versions: Python 2.5
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Python tracker <[EMAIL PROTECTED]>
<http://bugs.python.org/issue3394>
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