diff options
Diffstat (limited to 'security/landlock/cred.h')
| -rw-r--r-- | security/landlock/cred.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/security/landlock/cred.h b/security/landlock/cred.h index c82fe63ec598..c10a06727eb1 100644 --- a/security/landlock/cred.h +++ b/security/landlock/cred.h @@ -26,6 +26,8 @@ * This structure is packed to minimize the size of struct * landlock_file_security. However, it is always aligned in the LSM cred blob, * see lsm_set_blob_size(). + * + * When updating this, also update landlock_cred_copy() if needed. */ struct landlock_cred_security { /** @@ -65,6 +67,16 @@ landlock_cred(const struct cred *cred) return cred->security + landlock_blob_sizes.lbs_cred; } +static inline void landlock_cred_copy(struct landlock_cred_security *dst, + const struct landlock_cred_security *src) +{ + landlock_put_ruleset(dst->domain); + + *dst = *src; + + landlock_get_ruleset(src->domain); +} + static inline struct landlock_ruleset *landlock_get_current_domain(void) { return landlock_cred(current_cred())->domain; |