[tahoe-dev] Bug in SFTP frontend

[David-Sarah Hopwood]

Jody Harris wrote:
> On Sat, Feb 6, 2010 at 8:34 PM, David-Sarah Hopwood <
> david-sarah at jacaranda.org> wrote:
> 
>> Jody Harris wrote:
>>> 2010-02-06 19:09:37-0700 [SSHChannel session (0) on SSHService
>>> ssh-connection on SSHServerTransport,11,127.0.0.1] Unhandled Error
>> [...]
>>>           File
>>> "/usr/lib/python2.6/dist-packages/twisted/conch/ssh/filetransfer.py",
>> line
>>> 95, in _packAttributes
>>>             data += struct.pack('!Q', attrs['size'])
>>>         struct.error: cannot convert argument to long
>> OK, try applying
>> <
>> http://allmydata.org/trac/tahoe/raw-attachment/ticket/645/size-assertions-darcspatch.txt
>> on top of the previous patch.
>> (It should fail an assertion and tell me what attrs['size']
> 
> I'm not getting an attrs['size'] in the log... here is what I am getting:
[...]
>           File
> "/usr/local/lib/python2.6/dist-packages/allmydata_tahoe-1.6.0_r4229-py2.6.egg/allmydata/frontends/sftpd.py",
> line 269, in _render
>             assert isinstance(s.st_size, (int, long)), s.st_size
>         exceptions.AssertionError:

That means that attrs['size'] is probably "" or None. I should have used

  assert isinstance(s.st_size, (int, long)), repr(s.st_size)

instead to distinguish them.

Are there any mutable files under the alias directory, or only directories
and immutable files? Does the above error occur when the alias directory
is empty?

-- 
David-Sarah Hopwood  ⚥  http://davidsarah.livejournal.com

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