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Re: [Nmh-workers] tmp file cleanup

From: Lyndon Nerenberg
Subject: Re: [Nmh-workers] tmp file cleanup
Date: Sun, 19 Jan 2014 13:52:24 -0800

On Jan 19, 2014, at 9:30 AM, David Levine <address@hidden> wrote:

> * All nmh programs will put tmp files in the first non-null location
>  of {MHTMPDIR, TMPDIR, TMP, MH Path directory}.

This should be $MHTMPDIR, $TMPDIR, "/tmp".  (I was wrong earlier about 
mkstemp() defaulting to /tmp – you have to specify the full path.)

I guess $TMP is a Windows thing?  It shouldn't be used on UNIX systems.

> * If MHTMPDIR is not an absolute path, interpret it as relative to the
>  MH Path directory.

This is a security breach waiting to happen.  For tempfiles you should always 
be specifying an absolute path.  This isn't just an MH issue.


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