Photo ID race condition
dmitri at users.sourceforge.net
Mon May 27 20:19:01 CEST 2002
On Mon, 2002-05-27 at 09:54, Keith Ray wrote:
> There is a (non-security) race condition in the photo ID code under
> Windows. If the user has a slow loading image viewer (ie. Mozilla), GnuPG could
> delete the temp file before the viewer finishes initializing. I can think of a
> number of solutions:
> 1. Wait for the viewer to exit before returning to GnuPG.
GnuPG actually won't stop running. But this seems to be the right
solution. See CreateProcess() and OpenProcess() here:
> 2. Insert a delay between exec_read() and exec_finish(). Then again, on a slow
> system with little RAM, how much is enough?
Fudge factor works only in 27% of all cases ;-)
> 3. Delay deleting the temp files until GnuPG exits.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 196 bytes
Desc: This is a digitally signed message part
Url : /pipermail/attachments/20020527/f3eecdbb/attachment.bin
More information about the Gnupg-devel