selinux-refpolicy/policy/modules/services/chronyd.if

## <summary>Chrony NTP background daemon.</summary>

#####################################
## <summary>
##	Execute chronyd in the chronyd domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`chronyd_domtrans',`
	gen_require(`
		type chronyd_t, chronyd_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, chronyd_exec_t, chronyd_t)
')

#####################################
## <summary>
##	Execute chronyc in the chronyc domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`chronyd_domtrans_cli',`
	gen_require(`
		type chronyc_t, chronyc_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, chronyc_exec_t, chronyc_t)
')

########################################
## <summary>
##	Execute chronyd server in the
##	chronyd domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`chronyd_initrc_domtrans',`
	gen_require(`
		type chronyd_initrc_exec_t;
	')

	init_labeled_script_domtrans($1, chronyd_initrc_exec_t)
')

####################################
## <summary>
##	Execute chronyd in the caller domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`chronyd_exec',`
	gen_require(`
		type chronyd_exec_t;
	')

	corecmd_search_bin($1)
	can_exec($1, chronyd_exec_t)
')

########################################
## <summary>
##	Execute chronyc in the chronyc domain,
##	and allow the specified roles the
##	chronyc domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`chronyd_run_cli',`
	gen_require(`
		attribute_role chronyc_roles;
	')

	chronyd_domtrans_cli($1)
	roleattribute $2 chronyc_roles;
')

#####################################
## <summary>
##	Read chronyd log files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`chronyd_read_log',`
	gen_require(`
		type chronyd_var_log_t;
	')

	logging_search_logs($1)
	read_files_pattern($1, chronyd_var_log_t, chronyd_var_log_t)
')

#####################################
## <summary>
##	Read chronyd config file.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`chronyd_read_config',`
	gen_require(`
		type chronyd_conf_t;
	')

	files_search_etc($1)
	allow $1 chronyd_conf_t:file read_file_perms;
')

#####################################
## <summary>
##	Read and write chronyd config file.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`chronyd_rw_config',`
	gen_require(`
		type chronyd_conf_t;
	')

	files_search_etc($1)
	allow $1 chronyd_conf_t:file rw_file_perms;
')

########################################
## <summary>
##	Read and write chronyd shared memory.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`chronyd_rw_shm',`
	gen_require(`
		type chronyd_t, chronyd_tmpfs_t;
	')

	allow $1 chronyd_t:shm rw_shm_perms;
	allow $1 chronyd_tmpfs_t:dir list_dir_perms;
	rw_files_pattern($1, chronyd_tmpfs_t, chronyd_tmpfs_t)
	read_lnk_files_pattern($1, chronyd_tmpfs_t, chronyd_tmpfs_t)
	fs_search_tmpfs($1)
')

########################################
## <summary>
##	Connect to chronyd using a unix
##	domain stream socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`chronyd_stream_connect',`
	gen_require(`
		type chronyd_t, chronyd_runtime_t;
	')

	files_search_pids($1)
	stream_connect_pattern($1, chronyd_runtime_t, chronyd_runtime_t, chronyd_t)
')

########################################
## <summary>
##	Send to chronyd using a unix domain
##	datagram socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`chronyd_dgram_send',`
	gen_require(`
		type chronyd_t, chronyd_runtime_t;
	')

	files_search_pids($1)
	dgram_send_pattern($1, chronyd_runtime_t, chronyd_runtime_t, chronyd_t)
')

########################################
## <summary>
##	Read chronyd key files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`chronyd_read_key_files',`
	gen_require(`
		type chronyd_keys_t;
	')

	files_search_etc($1)
	read_files_pattern($1, chronyd_keys_t, chronyd_keys_t)
')

########################################
## <summary>
##	Allow specified domain to enable and disable chronyd unit
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`chronyd_enabledisable',`
	gen_require(`
		type chronyd_unit_t;
		class service { enable disable };
	')

	allow $1 chronyd_unit_t:service { enable disable };
')

########################################
## <summary>
##	Allow specified domain to start and stop chronyd unit
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`chronyd_startstop',`
	gen_require(`
		type chronyd_unit_t;
		class service { start stop };
	')

	allow $1 chronyd_unit_t:service { start stop };
')

########################################
## <summary>
##	Allow specified domain to get status of chronyd unit
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`chronyd_status',`
	gen_require(`
		type chronyd_unit_t;
		class service status;
	')

	allow $1 chronyd_unit_t:service status;
')

########################################
## <summary>
##	Send to chronyd command line interface using a unix domain
##	datagram socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`chronyd_dgram_send_cli',`
	gen_require(`
		type chronyc_t, chronyd_runtime_t;
	')

	files_search_pids($1)
	dgram_send_pattern($1, chronyd_runtime_t, chronyd_runtime_t, chronyc_t)
')

####################################
## <summary>
##	All of the rules required to
##	administrate an chronyd environment.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`chronyd_admin',`
	gen_require(`
		type chronyd_t, chronyd_var_log_t;
		type chronyd_runtime_t, chronyd_var_lib_t;
		type chronyd_initrc_exec_t, chronyd_keys_t;
	')

	allow $1 chronyd_t:process { ptrace signal_perms };
	ps_process_pattern($1, chronyd_t)

	init_startstop_service($1, $2, chronyd_t, chronyd_initrc_exec_t)

	files_search_etc($1)
	admin_pattern($1, chronyd_keys_t)

	logging_search_logs($1)
	admin_pattern($1, chronyd_var_log_t)

	files_search_var_lib($1)
	admin_pattern($1, chronyd_var_lib_t)

	files_search_pids($1)
	admin_pattern($1, chronyd_runtime_t)
')