-static inline int key_permission(const key_ref_t key_ref, key_perm_t perm)
-{
- struct key *key = key_ref_to_ptr(key_ref);
- key_perm_t kperm;
-
- if (is_key_possessed(key_ref))
- kperm = key->perm >> 24;
- else if (key->uid == current->fsuid)
- kperm = key->perm >> 16;
- else if (key->gid != -1 &&
- key->perm & KEY_GRP_ALL &&
- in_group_p(key->gid)
- )
- kperm = key->perm >> 8;
- else
- kperm = key->perm;
-
- kperm = kperm & perm & KEY_ALL;
-
- return kperm == perm;
-}
-
-/*
- * check to see whether permission is granted to use a key in at least one of
- * the desired ways
- */
-static inline int key_any_permission(const key_ref_t key_ref, key_perm_t perm)
-{
- struct key *key = key_ref_to_ptr(key_ref);
- key_perm_t kperm;
-
- if (is_key_possessed(key_ref))
- kperm = key->perm >> 24;
- else if (key->uid == current->fsuid)
- kperm = key->perm >> 16;
- else if (key->gid != -1 &&
- key->perm & KEY_GRP_ALL &&
- in_group_p(key->gid)
- )
- kperm = key->perm >> 8;
- else
- kperm = key->perm;
+extern int key_task_permission(const key_ref_t key_ref,
+ struct task_struct *context,
+ key_perm_t perm);