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From: Amavect <amavect@gmail.com>
To: 9front@9front.org
Subject: Re: [9front] [PATCH] kernel: disallow executing from #| or #d
Date: Wed, 11 May 2022 11:32:31 -0500	[thread overview]
Message-ID: <2248A216-6C8C-4C58-AD4A-5D4D2BAAED14@gmail.com> (raw)
In-Reply-To: <c868d55b-2493-db66-740b-17e606a3b99a@posixcafe.org>

On May 11, 2022 1:31:27 AM CDT, Jacob Moody <moody@mail.posixcafe.org> wrote:
>Requiring +x set, then preventing +x from being set
>is just a roundabout way of disabling opening with OEXEC, why
>not just do that?
I'm confused why devpipe allows wstat.
The roundabout way is more general,
checking read/write permissions as well.
The permission info should line up with how a dev allows permissions,
and making open dependent on what the mode is actually set to
would make the info and the behavior always line up.
It might be as easy as a bitwise or.
I'll hack up something later tonight.

If we don't decide on that route,
then devpipe should disallow wstat.

>RFNOMNT does not remove access to #|, #d, #e, #c, or #p
That's what I get for only reading the man page without testing.


  reply	other threads:[~2022-05-11 16:34 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-10  6:40 Jacob Moody
2022-05-10 14:40 ` ori
2022-05-10 16:34   ` Jacob Moody
2022-05-10 19:59     ` Amavect
2022-05-10 22:47       ` Jacob Moody
2022-05-11  4:21         ` Amavect
2022-05-11  6:31           ` Jacob Moody
2022-05-11 16:32             ` Amavect [this message]
2022-05-11 16:50               ` Jacob Moody
2022-05-15  2:43                 ` Amavect
2022-05-15 15:26                   ` Amavect
2022-05-15 16:28                     ` Jacob Moody
2022-05-10 20:52 ` [9front] " Anthony Martin

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