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Subject:	Re: Seems like a bug with mkfifo -m
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From:	Ken Brown via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Ken Brown <kbrown AT cornell DOT edu>
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On 5/28/2020 1:31 PM, yoshi kakbudto wrote:
> you say  'ls' is a problem source. Then i have to be more specific with the
> problem to not miss any other possible problems around it.
> 
> My use case is this: I have an ssh rsa keys dynamically loaded in
> environment variables.
> Those variables then expaned and piped to the named pipe and then the pipe
> instantly read by ssh-add.
> I know there could be other ways to ssh-add from environment, but its just
> our specifics.
> So the actual commands looks like this:
> 
> $ mkfifo -m 0600 somefifo
> 
> # The KEY contains ssh rsa private key data
> $ echo $KEY > somefifo | ssh-add somefifo
> 
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> @         WARNING: UNPROTECTED PRIVATE KEY FILE!          @
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> Permissions 0644 for 'somefifo' are too open.
> It is required that your private key files are NOT accessible by others.
> This private key will be ignored.

Sorry, I shouldn't have said the problem was with ls.  The problem was actually 
with stat, and it's fixed now.  You should be able to test it the next time 
Corinna creates a snapshot.

Ken
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