policy_module(cpucontrol, 1.3.0)

########################################
#
# Declarations
#

type cpucontrol_t;
type cpucontrol_exec_t;
init_system_domain(cpucontrol_t, cpucontrol_exec_t)

type cpucontrol_conf_t;
files_config_file(cpucontrol_conf_t)

type cpuspeed_t;
type cpuspeed_exec_t;
init_system_domain(cpuspeed_t, cpuspeed_exec_t)

type cpuspeed_var_run_t;
files_pid_file(cpuspeed_var_run_t)

########################################
#
# CPU microcode loader local policy
#

allow cpucontrol_t self:capability { ipc_lock sys_rawio };
dontaudit cpucontrol_t self:capability sys_tty_config;
allow cpucontrol_t self:process signal_perms;

allow cpucontrol_t cpucontrol_conf_t:dir list_dir_perms;
read_files_pattern(cpucontrol_t, cpucontrol_conf_t, cpucontrol_conf_t)
read_lnk_files_pattern(cpucontrol_t, cpucontrol_conf_t, cpucontrol_conf_t)

kernel_list_proc(cpucontrol_t)
kernel_read_proc_symlinks(cpucontrol_t)
kernel_read_kernel_sysctls(cpucontrol_t)

dev_read_sysfs(cpucontrol_t)
dev_rw_cpu_microcode(cpucontrol_t)

fs_search_auto_mountpoints(cpucontrol_t)

term_dontaudit_use_console(cpucontrol_t)

domain_use_interactive_fds(cpucontrol_t)

files_list_usr(cpucontrol_t)

init_use_fds(cpucontrol_t)
init_use_script_ptys(cpucontrol_t)

logging_send_syslog_msg(cpucontrol_t)

userdom_dontaudit_use_unpriv_user_fds(cpucontrol_t)

optional_policy(`
	nscd_socket_use(cpucontrol_t)
')

optional_policy(`
	rhgb_use_ptys(cpucontrol_t)
')

optional_policy(`
	seutil_sigchld_newrole(cpucontrol_t)
')

optional_policy(`
	udev_read_db(cpucontrol_t)
')

########################################
#
# CPU frequency scaling daemons
#

dontaudit cpuspeed_t self:capability sys_tty_config;
allow cpuspeed_t self:process { signal_perms setsched };
allow cpuspeed_t self:unix_dgram_socket create_socket_perms;

allow cpuspeed_t cpuspeed_var_run_t:file manage_file_perms;
files_pid_filetrans(cpuspeed_t, cpuspeed_var_run_t, file)

kernel_read_system_state(cpuspeed_t)
kernel_read_kernel_sysctls(cpuspeed_t)

dev_write_sysfs_dirs(cpuspeed_t)
dev_rw_sysfs(cpuspeed_t)

domain_use_interactive_fds(cpuspeed_t)
# for demand/load-based scaling:
domain_read_all_domains_state(cpuspeed_t)

files_read_etc_files(cpuspeed_t)
files_read_etc_runtime_files(cpuspeed_t)
files_list_usr(cpuspeed_t)

fs_search_auto_mountpoints(cpuspeed_t)

term_dontaudit_use_console(cpuspeed_t)

init_use_fds(cpuspeed_t)
init_use_script_ptys(cpuspeed_t)

logging_send_syslog_msg(cpuspeed_t)

userdom_dontaudit_use_unpriv_user_fds(cpuspeed_t)

optional_policy(`
	nscd_socket_use(cpuspeed_t)
')

optional_policy(`
	seutil_sigchld_newrole(cpuspeed_t)
')

optional_policy(`
	udev_read_db(cpuspeed_t)
')