Re: [PATCH v9 21/25] ima: Move IMA-Appraisal to LSM infrastructure

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Jan 15, 2024 Roberto Sassu <roberto.sassu@xxxxxxxxxxxxxxx> wrote:
> 
> A few additional IMA hooks are needed to reset the cached appraisal
> status, causing the file's integrity to be re-evaluated on next access.
> Register these IMA-appraisal only functions separately from the rest of IMA
> functions, as appraisal is a separate feature not necessarily enabled in
> the kernel configuration.
> 
> Reuse the same approach as for other IMA functions, move hardcoded calls
> from various places in the kernel to the LSM infrastructure. Declare the
> functions as static and register them as hook implementations in
> init_ima_appraise_lsm(), called by init_ima_lsm().
> 
> Also move the inline function ima_inode_remove_acl() from the public ima.h
> header to ima_appraise.c.
> 
> Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
> Reviewed-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
> Reviewed-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>
> Reviewed-by: Casey Schaufler <casey@xxxxxxxxxxxxxxxx>
> ---
>  fs/attr.c                             |  2 -
>  include/linux/ima.h                   | 55 ---------------------------
>  security/integrity/ima/ima.h          |  5 +++
>  security/integrity/ima/ima_appraise.c | 38 +++++++++++++-----
>  security/integrity/ima/ima_main.c     |  1 +
>  security/security.c                   | 13 -------
>  6 files changed, 35 insertions(+), 79 deletions(-)

Acked-by: Paul Moore <paul@xxxxxxxxxxxxxx>

--
paul-moore.com




[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [NTFS 3]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [NTFS 3]     [Samba]     [Device Mapper]     [CEPH Development]

  Powered by Linux