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Groups > linux.kernel > #1686935
| From | "Serge E. Hallyn" <serge@hallyn.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] xattr: Enable security.capability in user namespaces |
| Date | 2017-07-13 23:30 +0200 |
| Message-ID | <u2TQm-2st-21@gated-at.bofh.it> (permalink) |
| References | (5 earlier) <u2AXn-7n9-3@gated-at.bofh.it> <u2Lg8-5xB-43@gated-at.bofh.it> <u2Ptn-813-7@gated-at.bofh.it> <u2Q66-8w6-5@gated-at.bofh.it> <u2QfM-85-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Quoting Stefan Berger (stefanb@linux.vnet.ibm.com):
> For virtualizing the xattrs on the 'value' side I was looking for
> whether there's something like a 'wrapper' structure around the
> actual value of the xattr so that that wrapper could be extended to
> support different values at different uids and applied to any xattr.
> Unfortunately there's no such 'wrapper'.
I believe my very first implementation did essentially this - it used
the not uncommon structure of (mostly making this up):
struct ns_vfs_cap {
int magic;
int ncaps;
struct ns_vfs_cap_data data[0];
};
with (ncaps * sizeof(ns_vfs_cap_data)) following that.
I didn't like it.
-serge
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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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