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  3. August 2016

Re: [IBMiOSS] the case for chroot

"OpenSource" <opensource-bounces@xxxxxxxxxxxx> wrote on 08/11/2016
03:17:08 PM:

From: John Yeung <gallium.arsenide@xxxxxxxxx>
To: IBMi Open Source Roundtable <opensource@xxxxxxxxxxxx>
Date: 08/11/2016 03:17 PM
Subject: Re: [IBMiOSS] the case for chroot
Sent by: "OpenSource" <opensource-bounces@xxxxxxxxxxxx>

This brings up a kind of interesting question for chroot on IBM i:

Is chroot more of a *PASE* thing or an *IFS* thing?

I would think it has to be a PASE thing. If you're on the native i
side, will chroot be able to restrict your access to the IFS root
directory?

Technically, there's a component of both (since the ILE IFS code handles
the PASE requests), but in practical terms, it only affects PASE.

Inside a chroot, if you open a file /myfile.txt, it will open
/my/chroot/path/myfile.txt. If you use _ILECALL from the chroot to call
the ILE fopen, opening /myfile.txt will actually give you the "real"
/myfile.txt, not /my/chroot/path/myfile.txt.


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