Add user namespace capability object classes.

Define cap and cap2 commons to manage the permissions.

policy/flask/access_vectors

@@ -120,6 +120,60 @@ common x_device
 	destroy
 }
 
+#
+# Define a common for capability access vectors.
+#
+common cap
+{
+	# The capabilities are defined in include/linux/capability.h
+	# Capabilities >= 32 are defined in the cap2 common.
+	# Care should be taken to ensure that these are consistent with
+	# those definitions. (Order matters)
+
+	chown
+	dac_override
+	dac_read_search
+	fowner
+	fsetid
+	kill
+	setgid
+	setuid
+	setpcap
+	linux_immutable
+	net_bind_service
+	net_broadcast
+	net_admin
+	net_raw
+	ipc_lock
+	ipc_owner
+	sys_module
+	sys_rawio
+	sys_chroot
+	sys_ptrace
+	sys_pacct
+	sys_admin
+	sys_boot
+	sys_nice
+	sys_resource
+	sys_time
+	sys_tty_config
+	mknod
+	lease
+	audit_write
+	audit_control
+	setfcap
+}
+
+common cap2
+{
+	mac_override	# unused by SELinux
+	mac_admin	# unused by SELinux
+	syslog
+	wake_alarm
+	block_suspend
+	audit_read
+}
+
 #
 # Define the access vectors.
 #
@@ -407,59 +461,14 @@ class system
 }
 
 #
-# Define the access vector interpretation for controling capabilies
+# Define the access vector interpretation for controlling capabilities
 #
 
 class capability
-{
+inherits cap
-	# The capabilities are defined in include/linux/capability.h
-	# Capabilities >= 32 are defined in the capability2 class.
-	# Care should be taken to ensure that these are consistent with
-	# those definitions. (Order matters)
-
-	chown           
-	dac_override    
-	dac_read_search 
-	fowner          
-	fsetid          
-	kill            
-	setgid           
-	setuid           
-	setpcap          
-	linux_immutable  
-	net_bind_service 
-	net_broadcast    
-	net_admin        
-	net_raw          
-	ipc_lock         
-	ipc_owner        
-	sys_module       
-	sys_rawio        
-	sys_chroot       
-	sys_ptrace       
-	sys_pacct        
-	sys_admin        
-	sys_boot         
-	sys_nice         
-	sys_resource     
-	sys_time         
-	sys_tty_config  
-	mknod
-	lease
-	audit_write
-	audit_control
-	setfcap
-}
 
 class capability2
-{
+inherits cap2
-	mac_override	# unused by SELinux
-	mac_admin	# unused by SELinux
-	syslog
-	wake_alarm
-	block_suspend
-	audit_read
-}
 
 #
 # Define the access vector interpretation for controlling
@@ -931,3 +940,13 @@ class service
 	enable
 	disable
 }
+
+#
+# Define the access vector interpretation for controlling capabilities
+# in user namespaces
+#
+class cap_userns
+inherits cap
+
+class cap2_userns
+inherits cap2

policy/flask/security_classes

@@ -147,4 +147,8 @@ class db_language		# userspace
 
 class service			# userspace
 
+# Capability checks when on a non-init user namespace
+class cap_userns
+class cap2_userns
+
 # FLASK