policy_module(nscd, 1.7.0)

gen_require(`
	class nscd all_nscd_perms;
')

########################################
#
# 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_log_t;
logging_log_file(nscd_log_t)

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

allow nscd_t self:capability { kill setgid setuid audit_write };
dontaudit nscd_t self:capability sys_tty_config;
allow nscd_t self:process { getattr setsched signal_perms };
allow nscd_t self:fifo_file { read write };
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:netlink_audit_socket { create_netlink_socket_perms nlmsg_relay };
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_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 })

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)

# 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_unlabeled(nscd_t)
corenet_all_recvfrom_netlabel(nscd_t)
corenet_tcp_sendrecv_all_if(nscd_t)
corenet_udp_sendrecv_all_if(nscd_t)
corenet_tcp_sendrecv_all_nodes(nscd_t)
corenet_udp_sendrecv_all_nodes(nscd_t)
corenet_tcp_sendrecv_all_ports(nscd_t)
corenet_udp_sendrecv_all_ports(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)

files_read_etc_files(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)

libs_use_ld_so(nscd_t)
libs_use_shared_libs(nscd_t)

logging_send_syslog_msg(nscd_t)

miscfiles_read_localization(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_unpriv_user_fds(nscd_t)

sysadm_dontaudit_search_home_dirs(nscd_t)

optional_policy(`
	udev_read_db(nscd_t)
')

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