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SubjectRe: [PATCH v2 00/10] LSM: Module stacking in support of S.A.R.A and Landlock
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On 9/12/18 23:29, James Morris wrote:
> Adding the SARA and LandLock authors for review & comment.
>
> Salvatore & Mickaël: does this patchset meet your needs for merging to
> mainline?

It almost does! For now, I need the task_struct, cred, inode and file
security blobs. Only the task_struct one is missing.

FYI, the capitalization of Landlock is not consistent in all commit
messages. :)

Thanks,
Mickaël

>
>
>
> On Tue, 11 Sep 2018, Casey Schaufler wrote:
>
>> LSM: Module stacking in support of S.A.R.A and Landlock
>>
>> v2: Reduce the patchset to what is required to support
>> the proposed S.A.R.A. and LandLock security modules
>>
>> The S.A.R.A. security module is intended to be used
>> in conjunction with other security modules. It requires
>> state to be maintained for the credential, which
>> in turn requires a mechanism for sharing the credential
>> security blob. The module also requires mechanism for
>> user space manipulation of the credential information,
>> hence an additional subdirectory in /proc/.../attr.
>>
>> The LandLock security module provides user configurable
>> policy in the secmark mechanism. It requires data in
>> the credential, file and inode security blobs. For this
>> to be used along side the existing "major" security
>> modules mechanism for sharing these blobs is provided.
>>
>> A side effect of providing sharing of the crendential
>> security blob is that the TOMOYO module can be used at
>> the same time as the other "major" modules.
>>
>> The mechanism for configuring which security modules are
>> enabled has to change when stacking in enabled. Any
>> module that uses just the security blobs that are shared
>> can be selected. Additionally, one other "major" module
>> can be selected.
>>
>> The security module stacking issues around networking and
>> IPC are not addressed here as they are beyond what is
>> required for TOMOYO, S.A.R.A and LandLock.
>>
>> git://github.com/cschaufler/lsm-stacking.git#stacking-4.19-rc2-saralock
>>
>> Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
>> ---
>> Documentation/admin-guide/LSM/index.rst | 23 ++-
>> fs/proc/base.c | 64 ++++++-
>> fs/proc/internal.h | 1 +
>> include/linux/lsm_hooks.h | 20 ++-
>> include/linux/security.h | 15 +-
>> kernel/cred.c | 13 --
>> security/Kconfig | 92 ++++++++++
>> security/apparmor/domain.c | 2 +-
>> security/apparmor/include/cred.h | 24 ++-
>> security/apparmor/include/file.h | 9 +-
>> security/apparmor/include/lib.h | 4 +
>> security/apparmor/lsm.c | 53 ++++--
>> security/apparmor/task.c | 6 +-
>> security/security.c | 293 ++++++++++++++++++++++++++++++--
>> security/selinux/hooks.c | 215 ++++++++---------------
>> security/selinux/include/objsec.h | 37 +++-
>> security/selinux/selinuxfs.c | 5 +-
>> security/selinux/xfrm.c | 4 +-
>> security/smack/smack.h | 42 ++++-
>> security/smack/smack_access.c | 4 +-
>> security/smack/smack_lsm.c | 283 +++++++++++-------------------
>> security/smack/smackfs.c | 18 +-
>> security/tomoyo/common.h | 31 +++-
>> security/tomoyo/domain.c | 4 +-
>> security/tomoyo/securityfs_if.c | 15 +-
>> security/tomoyo/tomoyo.c | 57 +++++--
>> 26 files changed, 899 insertions(+), 435 deletions(-)
>>
>

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