* @bits: Access to grant. One of KDBUS_POLICY_*
* @id: For KDBUS_POLICY_ACCESS_USER, the uid
* For KDBUS_POLICY_ACCESS_GROUP, the gid
- *
- * Embedded in:
- * struct kdbus_policy
*/
struct kdbus_policy_access {
__u64 type; /* USER, GROUP, WORLD */
- __u64 bits; /* RECV, SEND, OWN */
+ __u64 access; /* OWN, TALK, SEE */
__u64 id; /* uid, gid, 0 */
};
-/**
- * struct kdbus_policy - a policy item
- * @access: Policy access details
- * @name: Well-known name to grant access to
- *
- * Attached to:
- * KDBUS_POLICY_ACCESS
- * KDBUS_ITEM_POLICY_NAME
- */
-struct kdbus_policy {
- union {
- struct kdbus_policy_access access;
- char name[0];
- };
-};
-
/**
* enum kdbus_item_type - item types to chain data in a list
* @_KDBUS_ITEM_NULL: Uninitialized/invalid
* @KDBUS_ITEM_AUDIT: The audit IDs
* @KDBUS_ITEM_CONN_NAME: The connection's human-readable name (debugging)
* @_KDBUS_ITEM_POLICY_BASE: Start of policy items
- * @KDBUS_ITEM_POLICY_NAME: Policy in struct kdbus_policy
- * @KDBUS_ITEM_POLICY_ACCESS: Policy in struct kdbus_policy
+ * @KDBUS_ITEM_POLICY_ACCESS: Policy access block
* @_KDBUS_ITEM_KERNEL_BASE: Start of kernel-generated message items
* @KDBUS_ITEM_NAME_ADD: Notify in struct kdbus_notify_name_change
* @KDBUS_ITEM_NAME_REMOVE: Notify in struct kdbus_notify_name_change
KDBUS_ITEM_CONN_NAME,
_KDBUS_ITEM_POLICY_BASE = 0x2000,
- KDBUS_ITEM_POLICY_NAME = _KDBUS_ITEM_POLICY_BASE,
- KDBUS_ITEM_POLICY_ACCESS,
+ KDBUS_ITEM_POLICY_ACCESS = _KDBUS_ITEM_POLICY_BASE,
_KDBUS_ITEM_KERNEL_BASE = 0x8000,
KDBUS_ITEM_NAME_ADD = _KDBUS_ITEM_KERNEL_BASE,
* KDBUS_ITEM_NAME_CHANGE
* @id_change: KDBUS_ITEM_ID_ADD
* KDBUS_ITEM_ID_REMOVE
- * @policy: KDBUS_ITEM_POLICY_NAME
- * KDBUS_ITEM_POLICY_ACCESS
+ * @policy: KDBUS_ITEM_POLICY_ACCESS
*/
struct kdbus_item {
__u64 size;
int fds[0];
struct kdbus_notify_name_change name_change;
struct kdbus_notify_id_change id_change;
- struct kdbus_policy policy;
+ struct kdbus_policy_access policy_access;
};
};
/**
* enum kdbus_policy_access_flags - mode flags
- * @KDBUS_POLICY_RECV: Allow receive
- * @KDBUS_POLICY_SEND: Allow send
* @KDBUS_POLICY_OWN: Allow to own a well-known name
+ * Implies KDBUS_POLICY_TALK and KDBUS_POLICY_SEE
+ * @KDBUS_POLICY_TALK: Allow communication to a well-known name
+ * Implies KDBUS_POLICY_SEE
+ * @KDBUS_POLICY_SEE: Allow to see a well-known name
*/
enum kdbus_policy_type {
- KDBUS_POLICY_RECV = 1 << 2,
- KDBUS_POLICY_SEND = 1 << 1,
- KDBUS_POLICY_OWN = 1 << 0,
+ KDBUS_POLICY_SEE = 0,
+ KDBUS_POLICY_TALK,
+ KDBUS_POLICY_OWN,
};
-/**
- * struct kdbus_cmd_policy - a series of policies to upload
- * @size: The total size of the structure
- * @policies: The policies to upload
- *
- * A KDBUS_POLICY_NAME must always preceeds a KDBUS_POLICY_ACCESS entry.
- * A new KDBUS_POLICY_NAME can be added after KDBUS_POLICY_ACCESS for
- * chaining multiple policies together.
- */
-struct kdbus_cmd_policy {
- __u64 size;
- struct kdbus_item policies[0];
-} __attribute__((aligned(8)));
-
/**
* enum kdbus_hello_flags - flags for struct kdbus_cmd_hello
* @KDBUS_HELLO_ACCEPT_FD: The connection allows the receiving of
* @KDBUS_HELLO_ACTIVATOR: Special-purpose connection which registers
* a well-know name for a process to be started
* when traffic arrives
+ * @KDBUS_HELLO_POLICY_HOLDER: Special-purpose connection which registers
+ * policy entries for one or multiple names. The
+ * provided names are not activated, and are not
+ * registered with the name database
* @KDBUS_HELLO_MONITOR: Special-purpose connection to monitor
* bus traffic
*/
enum kdbus_hello_flags {
KDBUS_HELLO_ACCEPT_FD = 1 << 0,
KDBUS_HELLO_ACTIVATOR = 1 << 1,
- KDBUS_HELLO_MONITOR = 1 << 2,
+ KDBUS_HELLO_POLICY_HOLDER = 1 << 2,
+ KDBUS_HELLO_MONITOR = 1 << 3,
};
/**
struct kdbus_item items[0];
} __attribute__((aligned(8)));
-/* Flags for KDBUS_CMD_{BUS,EP,NS}_MAKE */
+/**
+ * enum kdbus_make_flags - Flags for KDBUS_CMD_{BUS,EP,NS}_MAKE
+ * @KDBUS_MAKE_ACCESS_GROUP: Make the device node group-accessible
+ * @KDBUS_MAKE_ACCESS_WORLD: Make the device node world-accessible
+ */
enum kdbus_make_flags {
KDBUS_MAKE_ACCESS_GROUP = 1 << 0,
KDBUS_MAKE_ACCESS_WORLD = 1 << 1,
- KDBUS_MAKE_POLICY_OPEN = 1 << 2,
};
/**
};
/**
- * struct kdbus_cmd_conn_update - update flags of a connection
+ * struct kdbus_cmd_update - update flags of a connection
* @size: The total size of the struct
* @items: A list of struct kdbus_item
*
* This struct is used with the KDBUS_CMD_CONN_UPDATE ioctl.
*/
-struct kdbus_cmd_conn_update {
+struct kdbus_cmd_update {
__u64 size;
struct kdbus_item items[0];
} __attribute__((aligned(8)));
KDBUS_CMD_NAME_LIST = _IOWR(KDBUS_IOC_MAGIC, 0x52, struct kdbus_cmd_name_list),
KDBUS_CMD_CONN_INFO = _IOWR(KDBUS_IOC_MAGIC, 0x60, struct kdbus_cmd_conn_info),
- KDBUS_CMD_CONN_UPDATE = _IOW (KDBUS_IOC_MAGIC, 0x61, struct kdbus_cmd_conn_update),
+ KDBUS_CMD_CONN_UPDATE = _IOW (KDBUS_IOC_MAGIC, 0x61, struct kdbus_cmd_update),
- KDBUS_CMD_MATCH_ADD = _IOW (KDBUS_IOC_MAGIC, 0x70, struct kdbus_cmd_match),
- KDBUS_CMD_MATCH_REMOVE = _IOW (KDBUS_IOC_MAGIC, 0x71, struct kdbus_cmd_match),
+ KDBUS_CMD_EP_UPDATE = _IOW (KDBUS_IOC_MAGIC, 0x71, struct kdbus_cmd_update),
- KDBUS_CMD_EP_POLICY_SET = _IOW (KDBUS_IOC_MAGIC, 0x80, struct kdbus_cmd_policy),
+ KDBUS_CMD_MATCH_ADD = _IOW (KDBUS_IOC_MAGIC, 0x80, struct kdbus_cmd_match),
+ KDBUS_CMD_MATCH_REMOVE = _IOW (KDBUS_IOC_MAGIC, 0x81, struct kdbus_cmd_match),
KDBUS_CMD_MEMFD_NEW = _IOWR(KDBUS_IOC_MAGIC, 0xc0, struct kdbus_cmd_memfd_make),
KDBUS_CMD_MEMFD_SIZE_GET = _IOR (KDBUS_IOC_MAGIC, 0xc1, __u64 *),
* @EADDRNOTAVAIL: A message flagged not to activate a service, addressed
* a service which is not currently running.
* @EAGAIN: No messages are queued at the moment.
+ * @EALREADY: A requested name is already owned by the connection,
+ * a connection is already disconnected, memfd is already
+ * sealed or has the requested size.
* @EBADF: File descriptors passed with the message are not valid.
* @EBADFD: A bus connection is in a corrupted state.
* @EBADMSG: Passed data contains a combination of conflicting or
* @EPIPE: When sending a message, a synchronous reply from the
* receiving connection was expected but the connection
* died before answering.
- * @ESHUTDOWN: A domain or endpoint is currently shutting down;
+ * @ESHUTDOWN: A domain, bus or endpoint is currently shutting down;
* no further operations will be possible.
* @ESRCH: A requested well-known bus name is not found.
* @ETIMEDOUT: A synchronous wait for a message reply did not arrive
~ianmdlvl / elogind.git / blobdiff