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18 Commits

Author SHA1 Message Date
Guido van Rossum 2457fc2a81 Improvement to the previous fix suggested by Thomas Bellman: if the 
unlink() or fdopen() fail, close the file descriptor and re-raise the
exception.
 1998-10-24 15:02:59 +00:00
Guido van Rossum dce3d5502e The TemporaryFile() function has a security leak -- because the 
filenames generated are easily predictable, it is possible to trick an
unsuspecting program into overwriting another file by creating a
symbolic link with the predicted name.  Fix this by using the
low-level os.open() function with the O_EXCL flag and mode 0700.  On
non-Unix platforms, presumably there are no symbolic links so the
problem doesn't exist.  The explicit test for Unix (posix, actually)
makes it possible to change the non-Unix logic to work without a
try-except clause.

The mktemp() file is as unsafe as ever.
 1998-10-24 01:34:45 +00:00
Guido van Rossum b0e5718643 Fix so that after a fork() -- on Unix only -- the template gets 
recalculated.
 1998-10-14 20:27:05 +00:00
Guido van Rossum 57a0661cb8 On the Mac, create the Temporary Items folder if it does not exist yet. 
(Jack)
 1998-04-28 16:03:34 +00:00
Guido van Rossum 29e5f5d81f When getcwd() doesn't exist or raises an exception, don't fail but 
fall back to using os.curdir instead; if it is fine, don't use
os.curdir at all.
 1998-04-09 14:27:57 +00:00
Guido van Rossum 45e2fbc2e7 Mass check-in after untabifying all files that need it. 1998-03-26 21:13:24 +00:00
Guido van Rossum b8c42c9825 Add new optional parameter 'suffix' (default ''), which is appended to 
the temporary file name.  Also some minor formatting of Jim F's code.
 1997-12-19 04:29:50 +00:00
Guido van Rossum 80fb344a18 On NT, use a better template, ~XXX- where XXX is os.getpid(). 1997-12-15 19:11:53 +00:00
Guido van Rossum ca54982b2a Added TemporaryFile and wrapper class by Jim Fulton. 
Look in more env vars (for NT: TEMP, TMP).
 1997-08-12 18:00:12 +00:00
Guido van Rossum f4f756cf55 (Jack:) Better MacOS support. 1997-04-11 19:00:53 +00:00
Guido van Rossum 3e065ada2c Attempt at Windows-NT compatibility. 1996-08-20 20:38:59 +00:00
Guido van Rossum 4033ad7576 Restore 1.3 behavior of gettempdir(): if tempdir is already set, believe it. 1996-08-08 18:33:56 +00:00
Guido van Rossum f4aaf862fd Be more careful about default temp dir 1996-05-28 23:31:34 +00:00
Guido van Rossum 41f9503c11 Mostly rewritten to be more flexible and more portable 
./
 1992-03-31 19:02:01 +00:00
Guido van Rossum cff3454eff Use $TMPDIR if it is set in the environment. 1992-01-14 18:31:56 +00:00
Guido van Rossum 4a3a41f1bb Use 'global' instead of struct kludge. 1991-12-26 13:10:50 +00:00
Guido van Rossum ce08448165 New class syntax. 1991-12-26 13:06:29 +00:00
Guido van Rossum eee9498b71 Initial revision 1991-11-12 15:38:08 +00:00