policy_module(nscd, 1.10.0)

gen_require(`
	class nscd all_nscd_perms;
')

## <desc>
##	<p>
##	Allow confined applications to use nscd shared memory.
##	</p>
## </desc>
gen_tunable(nscd_use_shm, false)

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

# cjp: this is out of order because of an
# ordering problem with loadable modules
type nscd_var_run_t;
files_pid_file(nscd_var_run_t)

# nscd is both the client program and the daemon.
type nscd_t;
type nscd_exec_t;
init_daemon_domain(nscd_t, nscd_exec_t)

type nscd_initrc_exec_t;
init_script_file(nscd_initrc_exec_t)

type nscd_unit_file_t;
systemd_unit_file(nscd_unit_file_t)

type nscd_log_t;
logging_log_file(nscd_log_t)

########################################
#
# Local policy
#

allow nscd_t self:capability { kill setgid setuid };
dontaudit nscd_t self:capability sys_tty_config;
allow nscd_t self:process { getattr getcap setcap setsched signal_perms };
allow nscd_t self:fifo_file read_fifo_file_perms;
allow nscd_t self:unix_stream_socket create_stream_socket_perms;
allow nscd_t self:unix_dgram_socket create_socket_perms;
allow nscd_t self:netlink_selinux_socket create_socket_perms;
allow nscd_t self:tcp_socket create_socket_perms;
allow nscd_t self:udp_socket create_socket_perms;

# For client program operation, invoked from sysadm_t.
# Transition occurs to nscd_t due to direct_sysadm_daemon. 
allow nscd_t self:nscd { admin getstat };

allow nscd_t nscd_log_t:file manage_file_perms;
logging_log_filetrans(nscd_t, nscd_log_t, file)

manage_dirs_pattern(nscd_t, nscd_var_run_t, nscd_var_run_t)
manage_files_pattern(nscd_t, nscd_var_run_t, nscd_var_run_t)
manage_sock_files_pattern(nscd_t, nscd_var_run_t, nscd_var_run_t)
files_pid_filetrans(nscd_t, nscd_var_run_t, { file sock_file dir })

corecmd_search_bin(nscd_t)
can_exec(nscd_t, nscd_exec_t)

kernel_read_network_state(nscd_t)
kernel_read_kernel_sysctls(nscd_t)
kernel_list_proc(nscd_t)
kernel_read_proc_symlinks(nscd_t)

dev_read_sysfs(nscd_t)
dev_read_rand(nscd_t)
dev_read_urand(nscd_t)

fs_getattr_all_fs(nscd_t)
fs_search_auto_mountpoints(nscd_t)
fs_list_inotifyfs(nscd_t)

# for when /etc/passwd has just been updated and has the wrong type
auth_getattr_shadow(nscd_t)
auth_use_nsswitch(nscd_t)

corenet_all_recvfrom_netlabel(nscd_t)
corenet_tcp_sendrecv_generic_if(nscd_t)
corenet_udp_sendrecv_generic_if(nscd_t)
corenet_tcp_sendrecv_generic_node(nscd_t)
corenet_udp_sendrecv_generic_node(nscd_t)
corenet_tcp_sendrecv_all_ports(nscd_t)
corenet_udp_sendrecv_all_ports(nscd_t)
corenet_udp_bind_generic_node(nscd_t)
corenet_tcp_connect_all_ports(nscd_t)
corenet_sendrecv_all_client_packets(nscd_t)
corenet_rw_tun_tap_dev(nscd_t)

selinux_get_fs_mount(nscd_t)
selinux_validate_context(nscd_t)
selinux_compute_access_vector(nscd_t)
selinux_compute_create_context(nscd_t)
selinux_compute_relabel_context(nscd_t)
selinux_compute_user_contexts(nscd_t)
domain_use_interactive_fds(nscd_t)
domain_search_all_domains_state(nscd_t)

files_read_generic_tmp_symlinks(nscd_t)
# Needed to read files created by firstboot "/etc/hesiod.conf"
files_read_etc_runtime_files(nscd_t)

logging_send_audit_msgs(nscd_t)
logging_send_syslog_msg(nscd_t)


seutil_read_config(nscd_t)
seutil_read_default_contexts(nscd_t)
seutil_sigchld_newrole(nscd_t)

sysnet_read_config(nscd_t)

userdom_dontaudit_use_user_terminals(nscd_t)
userdom_dontaudit_use_unpriv_user_fds(nscd_t)
userdom_dontaudit_search_user_home_dirs(nscd_t)

optional_policy(`
	accountsd_dontaudit_rw_fifo_file(nscd_t)
')

optional_policy(`
	cron_read_system_job_tmp_files(nscd_t)
')

optional_policy(`
	kerberos_use(nscd_t)
')

optional_policy(`
	udev_read_db(nscd_t)
')

optional_policy(`
	xen_dontaudit_rw_unix_stream_sockets(nscd_t)
	xen_append_log(nscd_t)
')

optional_policy(`
	tunable_policy(`samba_domain_controller',`
		samba_append_log(nscd_t)
		samba_dontaudit_use_fds(nscd_t)
	')
')

optional_policy(`
	samba_read_config(nscd_t)
	samba_read_var_files(nscd_t)
')

optional_policy(`
	unconfined_dontaudit_rw_packet_sockets(nscd_t)
')