[issue16859] tarfile.TarInfo.fromtarfile does not check read() return value

2014-07-18 Thread Lars Gustäbel 

Lars Gustäbel added the comment:

The size of the buffer returned by TarInfo.fromtarfile() is checked by 
TarInfo.frombuf() which raises either an EmptyHeaderError or 
TruncatedHeaderError respectively.

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assignee:  - lars.gustaebel
resolution:  - not a bug
stage:  - resolved
status: open - closed

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[issue16859] tarfile.TarInfo.fromtarfile does not check read() return value

2014-07-15 Thread Mark Lawrence 

Mark Lawrence added the comment:

@Lars can we have a comment on this please.

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nosy: +BreamoreBoy
type:  - behavior
versions: +Python 2.7, Python 3.4, Python 3.5

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[issue16859] tarfile.TarInfo.fromtarfile does not check read() return value

2013-01-04 Thread Ned Deily 

Changes by Ned Deily n...@acm.org:


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nosy: +lars.gustaebel

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[issue16859] tarfile.TarInfo.fromtarfile does not check read() return value

2013-01-03 Thread Марк Коренберг 

New submission from Марк Коренберг:

tarfile.TarInfo.fromtarfile does not check read() return value.
read() may return less than requested size, so,

buf = tarfile.fileobj.read(BLOCKSIZE)
...
obj.offset = tarfile.fileobj.tell() - BLOCKSIZE

may do something nasty.

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messages: 179006
nosy: mmarkk
priority: normal
severity: normal
status: open
title: tarfile.TarInfo.fromtarfile does not check read() return value

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