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Diffstat (limited to 'include/uapi/linux/capability.h')
-rw-r--r--include/uapi/linux/capability.h28
1 files changed, 20 insertions, 8 deletions
diff --git a/include/uapi/linux/capability.h b/include/uapi/linux/capability.h
index 48ff0757ae5e..ea5a0899ecf0 100644
--- a/include/uapi/linux/capability.h
+++ b/include/uapi/linux/capability.h
@@ -6,9 +6,10 @@
* Alexander Kjeldaas <astor@guardian.no>
* with help from Aleph1, Roland Buresund and Andrew Main.
*
- * See here for the libcap library ("POSIX draft" compliance):
+ * See here for the libcap2 library (compliant with Section 25 of
+ * the withdrawn POSIX 1003.1e Draft 17):
*
- * ftp://www.kernel.org/pub/linux/libs/security/linux-privs/kernel-2.6/
+ * https://www.kernel.org/pub/linux/libs/security/linux-privs/libcap2/
*/
#ifndef _UAPI_LINUX_CAPABILITY_H
@@ -41,11 +42,12 @@ typedef struct __user_cap_header_struct {
int pid;
} __user *cap_user_header_t;
-typedef struct __user_cap_data_struct {
+struct __user_cap_data_struct {
__u32 effective;
__u32 permitted;
__u32 inheritable;
-} __user *cap_user_data_t;
+};
+typedef struct __user_cap_data_struct __user *cap_user_data_t;
#define VFS_CAP_REVISION_MASK 0xFF000000
@@ -243,7 +245,6 @@ struct vfs_ns_cap_data {
/* Allow examination and configuration of disk quotas */
/* Allow setting the domainname */
/* Allow setting the hostname */
-/* Allow calling bdflush() */
/* Allow mount() and umount(), setting up new smb connection */
/* Allow some autofs root ioctls */
/* Allow nfsservctl */
@@ -275,6 +276,7 @@ struct vfs_ns_cap_data {
/* Allow setting encryption key on loopback filesystem */
/* Allow setting zone reclaim policy */
/* Allow everything under CAP_BPF and CAP_PERFMON for backward compatibility */
+/* Allow setting hardware protection emergency action */
#define CAP_SYS_ADMIN 21
@@ -288,6 +290,8 @@ struct vfs_ns_cap_data {
processes and setting the scheduling algorithm used by another
process. */
/* Allow setting cpu affinity on other processes */
+/* Allow setting realtime ioprio class */
+/* Allow setting ioprio class on other processes */
#define CAP_SYS_NICE 23
@@ -333,7 +337,8 @@ struct vfs_ns_cap_data {
#define CAP_AUDIT_CONTROL 30
-/* Set or remove capabilities on files */
+/* Set or remove capabilities on files.
+ Map uid=0 into a child user namespace. */
#define CAP_SETFCAP 31
@@ -408,7 +413,14 @@ struct vfs_ns_cap_data {
*/
#define CAP_BPF 39
-#define CAP_LAST_CAP CAP_BPF
+
+/* Allow checkpoint/restore related operations */
+/* Allow PID selection during clone3() */
+/* Allow writing to ns_last_pid */
+
+#define CAP_CHECKPOINT_RESTORE 40
+
+#define CAP_LAST_CAP CAP_CHECKPOINT_RESTORE
#define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)
@@ -417,7 +429,7 @@ struct vfs_ns_cap_data {
*/
#define CAP_TO_INDEX(x) ((x) >> 5) /* 1 << 5 == bits in __u32 */
-#define CAP_TO_MASK(x) (1 << ((x) & 31)) /* mask for indexed __u32 */
+#define CAP_TO_MASK(x) (1U << ((x) & 31)) /* mask for indexed __u32 */
#endif /* _UAPI_LINUX_CAPABILITY_H */