Re: [PATCH v16 15/20] security: add security_inode_setintegrity() hook

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On Mar 28, 2024 Fan Wu <wufan@xxxxxxxxxxxxxxxxxxx> wrote:
> 
> This patch introduces a new hook to save inode's integrity
> data. For example, for fsverity enabled files, LSMs can use this hook to
> save the verified fsverity builtin signature into the inode's security
> blob, and LSMs can make access decisions based on the data inside
> the signature, like the signer certificate.
> 
> Signed-off-by: Fan Wu <wufan@xxxxxxxxxxxxxxxxxxx>
> 
> --
> v1-v14:
>   + Not present
> 
> v15:
>   + Introduced
> 
> v16:
>   + Switch to call_int_hook()
> 
> ---
>  include/linux/lsm_hook_defs.h |  2 ++
>  include/linux/security.h      | 10 ++++++++++
>  security/security.c           | 20 ++++++++++++++++++++
>  3 files changed, 32 insertions(+)
> 
> diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
> index b391a7f13053..6f746dfdb28b 100644
> --- a/include/linux/lsm_hook_defs.h
> +++ b/include/linux/lsm_hook_defs.h
> @@ -1020,6 +1023,13 @@ static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
>  	return 0;
>  }
>  
> +static inline int security_inode_setintegrity(struct inode *inode,
> +					      enum lsm_integrity_type, type,

Another bonus comma ...

> +					      const void *value, size_t size)
> +{
> +	return 0;
> +}
> +

--
paul-moore.com




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