From: Casey Schaufler <casey@schaufler-ca.com>
To: James Morris <jmorris@namei.org>, Paul Moore <paul@paul-moore.com>
Cc: Steve Grubb <sgrubb@redhat.com>,
Richard Guy Briggs <rgb@redhat.com>,
"linux-audit@redhat.com" <linux-audit@redhat.com>,
Linux Security Module list
<linux-security-module@vger.kernel.org>,
casey@schaufler-ca.com
Subject: Re: Preferred subj= with multiple LSMs
Date: Mon, 22 Jul 2019 15:01:37 -0700 [thread overview]
Message-ID: <ca22ea45-3f3b-4f79-8d77-7528877b8b36@schaufler-ca.com> (raw)
In-Reply-To: <alpine.LRH.2.21.1907230649460.18217@namei.org>
On 7/22/2019 1:50 PM, James Morris wrote:
> On Fri, 19 Jul 2019, Paul Moore wrote:
>
>>> We've never had to think about having general rules on
>>> what security modules do before, because with only one
>>> active each could do whatever it wanted without fear of
>>> conflict. If there is already a character that none of
>>> the existing modules use, how would it be wrong to
>>> reserve it?
>> "We've never had to think about having general rules on what security
>> modules do before..."
>>
>> We famously haven't imposed restrictions on the label format before
>> now, and this seems like a pretty poor reason to start.
> Agreed.
In a follow on thread
https://www.spinics.net/lists/linux-security-module/msg29996.html
we've been discussing the needs of dbus-daemon in a multiple LSM
environment. I suggest that if supporting dbus well is assisted by
making reasonable restrictions on what constitutes a valid LSM
"context" that we have a good reason. While there are ways to
present groups of arbitrary hunks of data, why would we want to?
next prev parent reply other threads:[~2019-07-22 22:01 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-12 16:33 Preferred subj= with multiple LSMs Casey Schaufler
[not found] ` <c46932ec-e38e-ba15-7ceb-70e0fe0ef5dc@schaufler-ca.com>
2019-07-13 15:08 ` Steve Grubb
2019-07-15 19:04 ` Richard Guy Briggs
[not found] ` <1979804.kRvuSoDnao@x2>
[not found] ` <2802ddee-b621-c2eb-9ff3-ea15c4f19d0c@schaufler-ca.com>
[not found] ` <3577098.oGDFHdoSSQ@x2>
2019-07-16 17:16 ` Casey Schaufler
[not found] ` <CAHC9VhSELVZN8feH56zsANqoHu16mPMD04Ww60W=r6tWs+8WnQ@mail.gmail.com>
2019-07-16 17:29 ` Casey Schaufler
2019-07-16 17:43 ` Paul Moore
2019-07-16 17:58 ` Casey Schaufler
2019-07-16 18:06 ` Steve Grubb
2019-07-16 18:41 ` Casey Schaufler
2019-07-16 21:25 ` Paul Moore
2019-07-16 21:46 ` Steve Grubb
2019-07-16 22:18 ` Casey Schaufler
2019-07-16 23:13 ` Paul Moore
2019-07-16 23:47 ` Casey Schaufler
2019-07-17 12:14 ` Paul Moore
2019-07-17 15:49 ` Casey Schaufler
2019-07-17 16:23 ` Paul Moore
2019-07-17 23:02 ` Casey Schaufler
2019-07-18 13:10 ` Simon McVittie
2019-07-18 16:13 ` Casey Schaufler
2019-07-19 12:15 ` Simon McVittie
2019-07-19 16:29 ` Casey Schaufler
2019-07-19 18:47 ` Simon McVittie
2019-07-19 20:02 ` Dbus and multiple LSMs (was Preferred subj= with multiple LSMs) Casey Schaufler
2019-07-22 11:36 ` Simon McVittie
2019-07-22 16:04 ` Casey Schaufler
2019-07-19 21:21 ` Preferred subj= with multiple LSMs Paul Moore
2019-07-22 20:50 ` James Morris
2019-07-22 22:01 ` Casey Schaufler [this message]
2019-07-22 22:30 ` Paul Moore
2019-07-23 0:11 ` Casey Schaufler
2019-07-23 14:06 ` Simon McVittie
2019-07-23 17:32 ` Casey Schaufler
2019-07-23 21:46 ` James Morris
2019-07-16 23:09 ` Paul Moore
2019-07-17 4:36 ` James Morris
2019-07-17 12:23 ` Paul Moore
2019-07-18 15:01 ` William Roberts
2019-07-18 18:48 ` Casey Schaufler
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