On Jan 15, 2024 Roberto Sassu <[email protected]> wrote:
>
> In preparation for moving IMA and EVM to the LSM infrastructure, introduce
> the inode_post_create_tmpfile hook.
>
> As temp files can be made persistent, treat new temp files like other new
> files, so that the file hash is calculated and stored in the security
> xattr.
>
> LSMs could also take some action after temp files have been created.
>
> The new hook cannot return an error and cannot cause the operation to be
> canceled.
>
> Signed-off-by: Roberto Sassu <[email protected]>
> Acked-by: Casey Schaufler <[email protected]>
> Reviewed-by: Mimi Zohar <[email protected]>
> ---
> fs/namei.c | 1 +
> include/linux/lsm_hook_defs.h | 2 ++
> include/linux/security.h | 6 ++++++
> security/security.c | 15 +++++++++++++++
> 4 files changed, 24 insertions(+)
Acked-by: Paul Moore <[email protected]>
--
paul-moore.com