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>
##	Execute NSCD in the nscd domain.
## </summary>
## <param name="domain">
##	<summary>
##	The type of the process performing this action.
##	</summary>
## </param>
#
interface(`nscd_domtrans',`
	gen_require(`
		type nscd_t, nscd_exec_t;
	')

	corecmd_search_sbin($1)
	domain_auto_trans($1,nscd_exec_t,nscd_t)

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

########################################
## <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 { getpwd getgrp gethost shmempwd shmemgrp shmemhost };
	')

	allow $1 self:unix_stream_socket create_socket_perms;

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

	files_search_pids($1)
	allow $1 nscd_var_run_t:dir r_dir_perms;
	allow $1 nscd_var_run_t:sock_file rw_file_perms;
	dontaudit $1 nscd_var_run_t:file { getattr read };
')

########################################
## <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 r_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;
	allow $1 nscd_t:unix_stream_socket connectto;
	allow $1 nscd_var_run_t:sock_file rw_file_perms;
	files_search_pids($1)
	allow $1 nscd_t:nscd { getpwd getgrp gethost };
	dontaudit $1 nscd_var_run_t:file { getattr read };
')

########################################
## <summary>
##	Do not audit attempts to search the NSCD pid directory.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`nscd_dontaudit_search_pid',`
	gen_require(`
		type nscd_var_run_t;
	')

	dontaudit $1 nscd_var_run_t:dir search;
')

########################################
## <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)
	allow $1 nscd_var_run_t:dir search;
	allow $1 nscd_var_run_t:file { getattr read };
')

########################################
## <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 *;
')