On Tue, 2016-01-19 at 11:30 +0000, David Howells wrote:
> Add KEY_ALLOC_BUILT_IN to convey that a key should have KEY_FLAG_BUILTIN
> set rather than setting it after the fact.
> 
> Signed-off-by: David Howells <[email protected]>

Acked-by: Mimi Zohar <[email protected]>

> ---
> 
>  certs/system_keyring.c |    4 ++--
>  include/linux/key.h    |    1 +
>  security/keys/key.c    |    2 ++
>  3 files changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/certs/system_keyring.c b/certs/system_keyring.c
> index 2570598b784d..f4180326c2e1 100644
> --- a/certs/system_keyring.c
> +++ b/certs/system_keyring.c
> @@ -84,12 +84,12 @@ static __init int load_system_certificate_list(void)
>                                          ((KEY_POS_ALL & ~KEY_POS_SETATTR) |
>                                          KEY_USR_VIEW | KEY_USR_READ),
>                                          KEY_ALLOC_NOT_IN_QUOTA |
> -                                        KEY_ALLOC_TRUSTED);
> +                                        KEY_ALLOC_TRUSTED |
> +                                        KEY_ALLOC_BUILT_IN);
>               if (IS_ERR(key)) {
>                       pr_err("Problem loading in-kernel X.509 certificate 
> (%ld)\n",
>                              PTR_ERR(key));
>               } else {
> -                     set_bit(KEY_FLAG_BUILTIN, &key_ref_to_ptr(key)->flags);
>                       pr_notice("Loaded X.509 cert '%s'\n",
>                                 key_ref_to_ptr(key)->description);
>                       key_ref_put(key);
> diff --git a/include/linux/key.h b/include/linux/key.h
> index 7321ab8ef949..5f5b1129dc92 100644
> --- a/include/linux/key.h
> +++ b/include/linux/key.h
> @@ -219,6 +219,7 @@ extern struct key *key_alloc(struct key_type *type,
>  #define KEY_ALLOC_QUOTA_OVERRUN      0x0001  /* add to quota, permit even if 
> overrun */
>  #define KEY_ALLOC_NOT_IN_QUOTA       0x0002  /* not in quota */
>  #define KEY_ALLOC_TRUSTED    0x0004  /* Key should be flagged as trusted */
> +#define KEY_ALLOC_BUILT_IN   0x0008  /* Key is built into kernel */
> 
>  extern void key_revoke(struct key *key);
>  extern void key_invalidate(struct key *key);
> diff --git a/security/keys/key.c b/security/keys/key.c
> index 07a87311055c..48dbfa543bcb 100644
> --- a/security/keys/key.c
> +++ b/security/keys/key.c
> @@ -296,6 +296,8 @@ struct key *key_alloc(struct key_type *type, const char 
> *desc,
>               key->flags |= 1 << KEY_FLAG_IN_QUOTA;
>       if (flags & KEY_ALLOC_TRUSTED)
>               key->flags |= 1 << KEY_FLAG_TRUSTED;
> +     if (flags & KEY_ALLOC_BUILT_IN)
> +             key->flags |= 1 << KEY_FLAG_BUILTIN;
> 
>  #ifdef KEY_DEBUGGING
>       key->magic = KEY_DEBUG_MAGIC;


Reply via email to