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

## <summary>Name service cache daemon.</summary>

########################################
## <summary>
##	Send generic signals to nscd.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`nscd_signal',`
	gen_require(`
		type nscd_t;
	')

	allow $1 nscd_t:process signal;
')

########################################
## <summary>
##	Send kill signals to nscd.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`nscd_kill',`
	gen_require(`
		type nscd_t;
	')

	allow $1 nscd_t:process sigkill;
')

########################################
## <summary>
##	Send null signals to nscd.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`nscd_signull',`
	gen_require(`
		type nscd_t;
	')

	allow $1 nscd_t:process signull;
')

########################################
## <summary>
##	Execute nscd in the nscd domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`nscd_domtrans',`
	gen_require(`
		type nscd_t, nscd_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, nscd_exec_t, nscd_t)
')

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

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

########################################
## <summary>
##	Use nscd services by connecting using
##	a unix domain stream socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`nscd_socket_use',`
	gen_require(`
		type nscd_t, nscd_runtime_t;
		class nscd { getserv getpwd getgrp gethost shmempwd shmemgrp shmemhost shmemserv };
	')

	allow $1 self:unix_stream_socket create_socket_perms;

	allow $1 nscd_t:nscd { getpwd getgrp gethost };

	dontaudit $1 nscd_t:fd use;
	dontaudit $1 nscd_t:nscd { getserv shmempwd shmemgrp shmemhost shmemserv };

	files_search_runtime($1)
	stream_connect_pattern($1, nscd_runtime_t, nscd_runtime_t, nscd_t)
	dontaudit $1 nscd_runtime_t:file read_file_perms;

	ps_process_pattern(nscd_t, $1)
')

########################################
## <summary>
##	Use nscd services by mapping the
##	database from an inherited nscd
##	file descriptor.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`nscd_shm_use',`
	gen_require(`
		type nscd_t, nscd_runtime_t;
		class nscd { getpwd getgrp gethost shmempwd shmemgrp shmemhost };
	')

	allow $1 self:unix_stream_socket create_stream_socket_perms;

	allow $1 nscd_t:nscd { getpwd getgrp gethost shmempwd shmemgrp shmemhost };
	allow $1 nscd_t:fd use;

	files_search_runtime($1)
	stream_connect_pattern($1, nscd_runtime_t, nscd_runtime_t, nscd_t)
	dontaudit $1 nscd_runtime_t:file read_file_perms;

	allow $1 nscd_runtime_t:dir list_dir_perms;
	allow $1 nscd_runtime_t:sock_file read_sock_file_perms;
')

########################################
## <summary>
##	Use nscd services.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`nscd_use',`
	tunable_policy(`nscd_use_shm',`
		nscd_shm_use($1)
	',`
		nscd_socket_use($1)
	')
')

########################################
## <summary>
##	Do not audit attempts to search
##	nscd runtime directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`nscd_dontaudit_search_runtime',`
	gen_require(`
		type nscd_runtime_t;
	')

	dontaudit $1 nscd_runtime_t:dir search_dir_perms;
')

########################################
## <summary>
##	Read nscd runtime files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`nscd_read_runtime_files',`
	gen_require(`
		type nscd_runtime_t;
	')

	files_search_runtime($1)
	read_files_pattern($1, nscd_runtime_t, nscd_runtime_t)
')

########################################
## <summary>
##	Unconfined access to nscd services.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`nscd_unconfined',`
	gen_require(`
		type nscd_t;
		class nscd all_nscd_perms;
	')

	allow $1 nscd_t:nscd { getpwd getgrp gethost getstat admin shmempwd shmemgrp shmemhost getserv shmemserv };
')

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

	nscd_domtrans($1)
	roleattribute $2 nscd_roles;
')

########################################
## <summary>
##	Execute the nscd server init
##	script in the initrc domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`nscd_initrc_domtrans',`
	gen_require(`
		type nscd_initrc_exec_t;
	')

	init_labeled_script_domtrans($1, nscd_initrc_exec_t)
')

########################################
## <summary>
##	All of the rules required to
##	administrate an nscd environment.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`nscd_admin',`
	gen_require(`
		type nscd_t, nscd_log_t, nscd_runtime_t;
		type nscd_initrc_exec_t;
	')

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

	init_startstop_service($1, $2, nscd_t, nscd_initrc_exec_t)

	logging_list_logs($1)
	admin_pattern($1, nscd_log_t)

	files_list_runtime($1)
	admin_pattern($1, nscd_runtime_t)

	nscd_run($1, $2)
')