diff options
Diffstat (limited to 'security/keys/internal.h')
| -rw-r--r-- | security/keys/internal.h | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/security/keys/internal.h b/security/keys/internal.h index 7d894ef7037..8c05587f501 100644 --- a/security/keys/internal.h +++ b/security/keys/internal.h @@ -57,10 +57,6 @@ struct key_user { int qnbytes; /* number of bytes allocated to this user */ }; -#define KEYQUOTA_MAX_KEYS 100 -#define KEYQUOTA_MAX_BYTES 10000 -#define KEYQUOTA_LINK_BYTES 4 /* a link in a keyring is worth 4 bytes */ - extern struct rb_root key_user_tree; extern spinlock_t key_user_lock; extern struct key_user root_key_user; @@ -68,6 +64,16 @@ extern struct key_user root_key_user; extern struct key_user *key_user_lookup(uid_t uid); extern void key_user_put(struct key_user *user); +/* + * key quota limits + * - root has its own separate limits to everyone else + */ +extern unsigned key_quota_root_maxkeys; +extern unsigned key_quota_root_maxbytes; +extern unsigned key_quota_maxkeys; +extern unsigned key_quota_maxbytes; + +#define KEYQUOTA_LINK_BYTES 4 /* a link in a keyring is worth 4 bytes */ extern struct rb_root key_serial_tree; @@ -77,8 +83,6 @@ extern struct mutex key_construction_mutex; extern wait_queue_head_t request_key_conswq; -extern void keyring_publish_name(struct key *keyring); - extern int __key_link(struct key *keyring, struct key *key); extern key_ref_t __keyring_search_one(key_ref_t keyring_ref, @@ -102,14 +106,15 @@ extern key_ref_t search_process_keyrings(struct key_type *type, key_match_func_t match, struct task_struct *tsk); -extern struct key *find_keyring_by_name(const char *name, key_serial_t bound); +extern struct key *find_keyring_by_name(const char *name, bool skip_perm_check); extern int install_thread_keyring(struct task_struct *tsk); extern int install_process_keyring(struct task_struct *tsk); extern struct key *request_key_and_link(struct key_type *type, const char *description, - const char *callout_info, + const void *callout_info, + size_t callout_len, void *aux, struct key *dest_keyring, unsigned long flags); @@ -120,13 +125,15 @@ extern struct key *request_key_and_link(struct key_type *type, struct request_key_auth { struct key *target_key; struct task_struct *context; - char *callout_info; + void *callout_info; + size_t callout_len; pid_t pid; }; extern struct key_type key_type_request_key_auth; extern struct key *request_key_auth_new(struct key *target, - const char *callout_info); + const void *callout_info, + size_t callout_len); extern struct key *key_get_instantiation_authkey(key_serial_t target_id); @@ -152,7 +159,8 @@ extern long keyctl_negate_key(key_serial_t, unsigned, key_serial_t); extern long keyctl_set_reqkey_keyring(int); extern long keyctl_set_timeout(key_serial_t, unsigned); extern long keyctl_assume_authority(key_serial_t); - +extern long keyctl_get_security(key_serial_t keyid, char __user *buffer, + size_t buflen); /* * debugging key validation |