[PATCH v35 27/29] Audit: Add record for multiple object contexts

[Paul Moore]

On Mon, Apr 18, 2022 at 11:14 AM Casey Schaufler <casey at schaufler-ca.com> wrote:
>
> Create a new audit record AUDIT_MAC_OBJ_CONTEXTS.
> An example of the MAC_OBJ_CONTEXTS (1421) record is:
>
>     type=MAC_OBJ_CONTEXTS[1421]
>     msg=audit(1601152467.009:1050):
>     obj_selinux=unconfined_u:object_r:user_home_t:s0
>
> When an audit event includes a AUDIT_MAC_OBJ_CONTEXTS record
> the "obj=" field in other records in the event will be "obj=?".
> An AUDIT_MAC_OBJ_CONTEXTS record is supplied when the system has
> multiple security modules that may make access decisions based
> on an object security context.
>
> Signed-off-by: Casey Schaufler <casey at schaufler-ca.com>
> ---
>  include/linux/audit.h      |  5 +++
>  include/uapi/linux/audit.h |  1 +
>  kernel/audit.c             | 47 +++++++++++++++++++++++
>  kernel/auditsc.c           | 79 ++++++++++++--------------------------
>  4 files changed, 77 insertions(+), 55 deletions(-)

Acked-by: Paul Moore <paul at paul-moore.com>

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