selinux-policy/refpolicy/policy/modules/system/udev.if

## <module name="udev">
## <summary>Policy for udev.</summary>

########################################
## <interface name="udev_domtrans">
##     <desc>
##             Execute udev in the udev domain.
##     </desc>
##     <param name="domain">
##             The type of the process performing this action.
##     </param>
## </interface>
#
interface(`udev_domtrans',`
	gen_require(`
		type udev_t, udev_exec_t;
		class process sigchld;
		class fd use;
		class fifo_file rw_file_perms;
	')

	domain_auto_trans($1, udev_exec_t, udev_t)

	allow $1 udev_t:fd use;
	allow udev_t $1:fd use;
	allow udev_t $1:fifo_file rw_file_perms;
	allow udev_t $1:process sigchld;
')

########################################
## <interface name="udev_read_db">
##     <desc>
##             Allow process to read list of devices.
##     </desc>
##     <param name="domain">
##             The type of the process performing this action.
##     </param>
## </interface>
#
interface(`udev_read_db',`
	gen_require(`
		type udev_tdb_t;
		class file r_file_perms;
	')

	dev_list_all_dev_nodes($1)
	allow $1 udev_tdb_t:file r_file_perms;
')

########################################
## <interface name="udev_rw_db">
##     <desc>
##             Allow process to modify list of devices.
##     </desc>
##     <param name="domain">
##             The type of the process performing this action.
##     </param>
## </interface>
#
interface(`udev_rw_db',`
	gen_require(`
		type udev_tdb_t;
		class file rw_file_perms;
	')

	dev_list_all_dev_nodes($1)
	allow $1 udev_tdb_t:file rw_file_perms;
')

## </module>