## <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 NSCD the kill signal.

## </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 signulls 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>

##	Allow the specified domain to 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;

	')

	can_exec($1, nscd_exec_t)

')

########################################

## <summary>

##	Use NSCD services by connecting using

##	a unix stream socket.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`nscd_socket_use',`

	gen_require(`

		type nscd_t, nscd_var_run_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_pids($1)

	stream_connect_pattern($1, nscd_var_run_t, nscd_var_run_t, nscd_t)

	dontaudit $1 nscd_var_run_t:file read_file_perms;

	ps_process_pattern(nscd_t, $1)

')

########################################

## <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 write nscd sock files

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`nscd_dontaudit_write_sock_file',`

	gen_require(`

		type nscd_t, nscd_var_run_t;

	')

	dontaudit $1 nscd_t:sock_file write;

	dontaudit $1 nscd_var_run_t:sock_file write;

')

########################################

## <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_var_run_t;

		class nscd { getpwd getgrp gethost shmempwd shmemgrp shmemhost };

	')

	allow $1 nscd_var_run_t:dir list_dir_perms;

	allow $1 nscd_t:nscd { shmempwd shmemgrp shmemhost };

	# Receive fd from nscd and map the backing file with read access.

	allow $1 nscd_t:fd use;

	# cjp: these were originally inherited from the

	# nscd_socket_domain macro. need to investigate

	# if they are all actually required

	allow $1 self:unix_stream_socket create_stream_socket_perms;

	# dg: This may not be required.

	allow $1 nscd_var_run_t:sock_file read_sock_file_perms;

	stream_connect_pattern($1, nscd_var_run_t, nscd_var_run_t, nscd_t)

	files_search_pids($1)

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

	dontaudit $1 nscd_var_run_t:file read_file_perms;

')

########################################

## <summary>

##	Do not audit attempts to search the NSCD pid directory.

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`nscd_dontaudit_search_pid',`

	gen_require(`

		type nscd_var_run_t;

	')

	dontaudit $1 nscd_var_run_t:dir search_dir_perms;

')

########################################

## <summary>

##	Read NSCD pid file.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`nscd_read_pid',`

	gen_require(`

		type nscd_var_run_t;

	')

	files_search_pids($1)

	read_files_pattern($1, nscd_var_run_t, nscd_var_run_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 *;

')

########################################

## <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>

## <rolecap/>

#

interface(`nscd_run',`

	gen_require(`

		type nscd_t;

	')

	nscd_domtrans($1)

	role $2 types nscd_t;

')

########################################

## <summary>

##	Execute the nscd server init script.

## </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>

##	Execute nscd server in the nscd domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`nscd_systemctl',`

	gen_require(`

		type nscd_unit_file_t;

		type nscd_t;

	')

	systemd_exec_systemctl($1)

	allow $1 nscd_unit_file_t:file read_file_perms;

	allow $1 nscd_unit_file_t:service manage_service_perms;

	ps_process_pattern($1, nscd_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>

##	The role to be allowed to manage the nscd domain.

##	</summary>

## </param>

## <rolecap/>

#

interface(`nscd_admin',`

	gen_require(`

		type nscd_t, nscd_log_t, nscd_var_run_t;

		type nscd_initrc_exec_t;

		type nscd_unit_file_t;

	')

	allow $1 nscd_t:process signal_perms;

	ps_process_pattern($1, nscd_t)

	tunable_policy(`deny_ptrace',`',`

		allow $1 nscd_t:process ptrace;

	')

	init_labeled_script_domtrans($1, nscd_initrc_exec_t)

	domain_system_change_exemption($1)

	role_transition $2 nscd_initrc_exec_t system_r;

	allow $2 system_r;

	logging_list_logs($1)

	admin_pattern($1, nscd_log_t)

	files_list_pids($1)

	admin_pattern($1, nscd_var_run_t)

	nscd_systemctl($1)

	admin_pattern($1, nscd_unit_file_t)

	allow $1 nscd_unit_file_t:service all_service_perms;

')