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From: Maximilian Bosch <maximilian@mbosch.me>
To: Jarkko Sakkinen <jarkko@kernel.org>
Cc: Linus Heckemann <linus@schreibt.jetzt>, keyrings@vger.kernel.org
Subject: Re: Allowing empty keys? or: setting attributes on keys safely
Date: Sat, 23 Mar 2024 14:44:06 +0100	[thread overview]
Message-ID: <pvifchlk2bxk4o5tpucvh2n5evmbhhcc7ok6dmxi2jogqd6oxo@rozgfpgmebpr> (raw)
In-Reply-To: <CZ9B2PLX5VZS.1GPZ6W2K9UVV5@seitikki>

Hi!

> Something prevents you setting invalid payload first, and appropriate
> one later with keyctl_update?

When I look at the implementation of `key_update`[1], it seems as if the
expiry is reset. Is there any way I'm missing which allows me to either
atomically create a key in a keyring with a timeout or to update a key
while retaining the timeout?

Cheers!

Max / ma27

[1] https://github.com/torvalds/linux/blob/v6.8/security/keys/key.c#L1083

      parent reply	other threads:[~2024-03-23 13:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-17 18:20 Allowing empty keys? or: setting attributes on keys safely Linus Heckemann
2024-02-19 19:47 ` Jarkko Sakkinen
2024-02-20  9:28   ` Linus Heckemann
2024-02-20 17:49     ` Jarkko Sakkinen
2024-02-20 17:52       ` Jarkko Sakkinen
2024-03-23 13:44   ` Maximilian Bosch [this message]

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