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Date:      Thu, 19 Jan 2023 23:16:46 +0100
From:      Michael Gmelin <grembo@freebsd.org>
To:        Tomoaki AOKI <junchoon@dec.sakura.ne.jp>
Cc:        ports@freebsd.org
Subject:   Re: Can security/ca_root_nss be retired?
Message-ID:  <7F3E8043-D985-4BC4-97B9-1FF7BA2E54C1@freebsd.org>
In-Reply-To: <20230120070931.4ef522dfa48b35ddac0c50ac@dec.sakura.ne.jp>
References:  <20230120070931.4ef522dfa48b35ddac0c50ac@dec.sakura.ne.jp>

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> On 19. Jan 2023, at 23:09, Tomoaki AOKI <junchoon@dec.sakura.ne.jp> wrote:=

>=20
> =EF=BB=BFOn Thu, 19 Jan 2023 05:58:12 -0800
> Mel Pilgrim <list_freebsd@bluerosetech.com> wrote:
>=20
>>> On 2023-01-19 4:08, Tomoaki AOKI wrote:
>>> On Thu, 19 Jan 2023 03:13:48 -0800
>>> Mel Pilgrim <list_freebsd@bluerosetech.com> wrote:
>>>=20
>>>> Given /usr/share/certs exists for all supported releases, is there any
>>>> reason to keep the ca_root_nss port?
>>>=20
>>> If everyone in the world uses LATEST main only, yes.
>>> But the assumption is clearly nonsense.
>>>=20
>>> Basically, commits to main are settled a while before MFC to stable
>>> branches, and MFS to releng branches needs additional settling days.
>>>=20
>>> If any certs happened to be non-reliable, this delay can cause, at
>>> worst, catastorphic scenario.
>>>=20
>>> If updates to certs are always promised to be "MFC after: now" and
>>> committed to ALL SUPPORTED BRANCHES AT ONCE, I have no objection.
>>>=20
>>> If not, keeping ca_root_nss port and updated ASAP with upstream should
>>> be mandatory.
>>=20
>> If ca_root_nss delivered the certs in the same format, sure, but that=20
>> monolithic file makes installing private CAs a hassle.
>>=20
>> I wonder if the script secteam uses to update the trust store in the src=20=

>> tree could be turned into a periodic script that automatically updates=20=

>> the trust store?  Side-step the release engineering delay entirely by=20
>> turning trust store updates into a user task.
>=20
> With the approach, how can we avoid man-in-the-middle attack or
> something?
>=20
> Ports framework has checksum to avoid it, unless local admins
> intentionally disable it.
>=20
> Maybe adding a script to
> *Check if /usr/local/share/certs/ca-root-nss.crt is updated or not.
> *Extract individual certs from ca-root-nss.crt and update trust store.
> *Record current timestamp and hash of ca-root-nss.crt for next run.
> into ca-root-nss port, which can be run from cron or by hand, is needed?
>=20

Whatever we do, let=E2=80=99s make sure we don=E2=80=99t break existing setu=
ps - this needs to be well coordinated. Personally, I don=E2=80=99t want to u=
pdate (and reboot) the OS in order to get a current list of trusted CAs (at l=
east as long as pkgbase isn=E2=80=99t mainstream this is an issue).

Michael





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