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| author | Georg Brandl <georg@python.org> | 2005-07-17 21:10:11 (GMT) |
|---|---|---|
| committer | Georg Brandl <georg@python.org> | 2005-07-17 21:10:11 (GMT) |
| commit | b37b8eca8856b0a034814f60fd34490d962c6dff (patch) | |
| tree | 04ca14ffb142e0872ae9602179ee3075b9b7e71e /Doc/lib/libos.tex | |
| parent | 75d5106bd0e026ce1bfe5026a62063ee198bc342 (diff) | |
| download | cpython-b37b8eca8856b0a034814f60fd34490d962c6dff.zip cpython-b37b8eca8856b0a034814f60fd34490d962c6dff.tar.gz cpython-b37b8eca8856b0a034814f60fd34490d962c6dff.tar.bz2 | |
bug [ 872769 ] os.access() documentation should stress race conditions
Diffstat (limited to 'Doc/lib/libos.tex')
| -rw-r--r-- | Doc/lib/libos.tex | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex index 2fbe669..e5b5962 100644 --- a/Doc/lib/libos.tex +++ b/Doc/lib/libos.tex @@ -680,6 +680,11 @@ test permissions. Return \constant{True} if access is allowed, \constant{False} if not. See the \UNIX{} man page \manpage{access}{2} for more information. Availability: Macintosh, \UNIX, Windows. + +\note{Using \function{access()} to check if a user is authorized to e.g. +open a file before actually doing so using \function{open()} creates a +security hole, because the user might exploit the short time interval +between checking and opening the file to manipulate it.} \end{funcdesc} \begin{datadesc}{F_OK} |