Re: [PATCH v12 02/25] LSM: Create and manage the lsmblob data structure.

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On 12/19/2019 1:11 PM, Mimi Zohar wrote:
> On Mon, 2019-12-16 at 14:35 -0800, Casey Schaufler wrote:
>> When more than one security module is exporting data to
>> audit and networking sub-systems a single 32 bit integer
>> is no longer sufficient to represent the data. Add a
>> structure to be used instead.
>>
>> The lsmblob structure is currently an array of
>> u32 "secids". There is an entry for each of the
>> security modules built into the system that would
>> use secids if active. The system assigns the module
>> a "slot" when it registers hooks. If modules are
>> compiled in but not registered there will be unused
>> slots.
>>
>> A new lsm_id structure, which contains the name
>> of the LSM and its slot number, is created. There
>> is an instance for each LSM, which assigns the name
>> and passes it to the infrastructure to set the slot.
>>
>> Reviewed-by: John Johansen <john.johansen@xxxxxxxxxxxxx>
>> Signed-off-by: Casey Schaufler <casey@xxxxxxxxxxxxxxxx>
>> ---
>>  include/linux/lsm_hooks.h  | 12 ++++++--
>>  include/linux/security.h   | 58 ++++++++++++++++++++++++++++++++++++++
>>  security/apparmor/lsm.c    |  7 ++++-
>>  security/commoncap.c       |  7 ++++-
>>  security/loadpin/loadpin.c |  8 +++++-
>>  security/safesetid/lsm.c   |  8 +++++-
>>  security/security.c        | 28 ++++++++++++++----
>>  security/selinux/hooks.c   |  8 +++++-
>>  security/smack/smack_lsm.c |  7 ++++-
>>  security/tomoyo/tomoyo.c   |  8 +++++-
>>  security/yama/yama_lsm.c   |  7 ++++-
>>  11 files changed, 142 insertions(+), 16 deletions(-)
> security/lockdown/lockdown.c is missing.  I'm getting a compiler
> error.

Whoops. I'll add the new kid to the list.

>
> Mimi
>



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