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Groups > linux.kernel > #1687277
| From | Stefan Berger <stefanb@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] xattr: Enable security.capability in user namespaces |
| Date | 2017-07-14 13:40 +0200 |
| Message-ID | <u376W-2Kc-43@gated-at.bofh.it> (permalink) |
| References | (9 earlier) <u2Q66-8w6-5@gated-at.bofh.it> <u2QfM-85-23@gated-at.bofh.it> <u2Qz7-fX-19@gated-at.bofh.it> <u2WXT-4hp-7@gated-at.bofh.it> <u2WXT-4hp-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 07/13/2017 08:38 PM, Eric W. Biederman wrote:
> Stefan Berger <stefanb@linux.vnet.ibm.com> writes:
>
>> On 07/13/2017 01:49 PM, Eric W. Biederman wrote:
>>
>>> My big question right now is can you implement Ted's suggested
>>> restriction. Only one security.foo or secuirty.foo@... attribute ?
>> We need to raw-list the xattrs and do the check before writing them. I am fairly sure this can be done.
>>
>> So now you want to allow security.foo and one security.foo@uid=<> or just a single one security.foo(@[[:print:]]*)?
>>
> The latter.
That case would prevent a container user from overriding the xattr on
the host. Is that what we want? For limiting the number of xattrs and
getting that functionality (override IMA signature for example) the
former seems better...
For the former I now have the topmost patch here:
https://github.com/stefanberger/linux/commits/xattr_for_userns.v3
Stefan
>
> Eric
> --
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[PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <"Stefan Bergerstefanb"@linux.vnet.ibm.com> - 2017-07-11 17:10 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-11 19:20 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-12 02:20 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-12 02:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-12 05:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-12 13:40 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-12 19:40 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces James Morris <jmorris@namei.org> - 2017-07-12 10:10 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-12 15:40 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-12 19:10 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces James Morris <jmorris@namei.org> - 2017-07-13 00:30 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 02:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 03:10 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 01:30 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-13 02:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Theodore Ts'o <tytso@mit.edu> - 2017-07-13 03:20 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 04:40 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 14:20 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Theodore Ts'o <tytso@mit.edu> - 2017-07-13 18:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-13 19:10 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 19:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Theodore Ts'o <tytso@mit.edu> - 2017-07-13 21:20 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 21:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 23:20 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces James Morris <jmorris@namei.org> - 2017-07-18 09:10 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 19:30 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-13 19:40 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 20:00 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 21:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 23:30 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-14 02:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-14 13:40 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-14 14:20 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-14 14:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-14 15:40 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-14 17:30 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-14 19:40 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-14 20:30 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-07-14 20:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-07-14 21:00 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-07-14 22:10 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-07-14 22:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Theodore Ts'o <tytso@mit.edu> - 2017-07-14 23:40 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-15 01:40 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-07-15 01:40 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-15 02:10 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Theodore Ts'o <tytso@mit.edu> - 2017-07-14 21:30 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-07-14 21:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-07-14 21:30 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-15 02:20 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-07-16 13:30 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-14 21:00 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-14 21:30 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 23:30 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 23:20 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 02:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Vivek Goyal <vgoyal@redhat.com> - 2017-07-12 20:00 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-12 21:20 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-15 01:50 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-15 23:30 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Vivek Goyal <vgoyal@redhat.com> - 2017-07-17 21:00 +0200
Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-17 23:00 +0200
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