selinux-policy/refpolicy/policy/modules/services/nis.te

policy_module(nis,1.0)

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

type var_yp_t;
files_type(var_yp_t)

type ypbind_t;
type ypbind_exec_t;
init_daemon_domain(ypbind_t,ypbind_exec_t)

type ypbind_tmp_t;
files_tmp_file(ypbind_tmp_t)

type ypbind_var_run_t;
files_pid_file(ypbind_var_run_t)

type ypserv_t;
type ypserv_exec_t;
init_daemon_domain(ypserv_t,ypserv_exec_t)

type ypserv_conf_t;
files_type(ypserv_conf_t)

type ypserv_tmp_t;
files_tmp_file(ypserv_tmp_t)

type ypserv_var_run_t;
files_pid_file(ypserv_var_run_t)

########################################
#
# ypbind local policy

dontaudit ypbind_t self:capability { net_admin sys_tty_config };
allow ypbind_t self:fifo_file rw_file_perms;
allow ypbind_t self:{ unix_dgram_socket unix_stream_socket } create_socket_perms;
allow ypbind_t self:netlink_route_socket r_netlink_socket_perms;

allow ypbind_t self:tcp_socket { listen accept };
allow ypbind_t self:tcp_socket { create connect ioctl read getattr write setattr append bind getopt setopt shutdown };
allow ypbind_t self:udp_socket { create ioctl read getattr write setattr append bind getopt setopt shutdown };

allow ypbind_t ypbind_tmp_t:dir create_dir_perms;
allow ypbind_t ypbind_tmp_t:file create_file_perms;
files_create_tmp_files(ypbind_t, ypbind_tmp_t, { file dir })

allow ypbind_t ypbind_var_run_t:file { getattr create read write append setattr unlink };
files_create_pid(ypbind_t,ypbind_var_run_t)

allow ypbind_t var_yp_t:dir rw_dir_perms;
allow ypbind_t var_yp_t:file create_file_perms;

kernel_read_kernel_sysctl(ypbind_t)
kernel_list_proc(ypbind_t)
kernel_read_proc_symlinks(ypbind_t)

corenet_tcp_sendrecv_all_if(ypbind_t)
corenet_udp_sendrecv_all_if(ypbind_t)
corenet_raw_sendrecv_all_if(ypbind_t)
corenet_tcp_sendrecv_all_nodes(ypbind_t)
corenet_udp_sendrecv_all_nodes(ypbind_t)
corenet_raw_sendrecv_all_nodes(ypbind_t)
corenet_tcp_bind_all_nodes(ypbind_t)
corenet_udp_bind_all_nodes(ypbind_t)
corenet_tcp_sendrecv_all_ports(ypbind_t)
corenet_udp_sendrecv_all_ports(ypbind_t)
corenet_tcp_bind_generic_port(ypbind_t)
corenet_udp_bind_generic_port(ypbind_t)
corenet_tcp_bind_reserved_port(ypbind_t)
corenet_udp_bind_reserved_port(ypbind_t)
corenet_dontaudit_tcp_bind_all_reserved_ports(ypbind_t)
corenet_dontaudit_udp_bind_all_reserved_ports(ypbind_t)

dev_read_sysfs(ypbind_t)

fs_getattr_all_fs(ypbind_t)
fs_search_auto_mountpoints(ypbind_t)

term_dontaudit_use_console(ypbind_t)

domain_use_wide_inherit_fd(ypbind_t)

files_read_etc_files(ypbind_t)

init_use_fd(ypbind_t)
init_use_script_pty(ypbind_t)
init_udp_sendto_script(ypbind_t)

libs_use_ld_so(ypbind_t)
libs_use_shared_libs(ypbind_t)

logging_send_syslog_msg(ypbind_t)

miscfiles_read_localization(ypbind_t)

sysnet_read_config(ypbind_t)

userdom_dontaudit_use_unpriv_user_fd(ypbind_t)
userdom_dontaudit_search_sysadm_home_dir(ypbind_t)

ifdef(`targeted_policy', `
	term_dontaudit_use_unallocated_tty(ypbind_t)
	term_dontaudit_use_generic_pty(ypbind_t)
	files_dontaudit_read_root_file(ypbind_t)
')

optional_policy(`mount.te',`
	mount_send_nfs_client_request(ypbind_t)
')

optional_policy(`selinuxutil.te',`
	seutil_sigchld_newrole(ypbind_t)
')

optional_policy(`udev.te', `
	udev_read_db(ypbind_t)
')

ifdef(`TODO',`
can_udp_send(ypbind_t, portmap_t)

optional_policy(`rhgb.te', `
	rhgb_domain(ypbind_t)
')
') dnl end TODO

########################################
#
# ypserv local policy
#

dontaudit ypserv_t self:capability sys_tty_config;
allow ypserv_t self:fifo_file rw_file_perms;
allow ypserv_t self:unix_dgram_socket create_socket_perms;
allow ypserv_t self:netlink_route_socket r_netlink_socket_perms;

allow ypserv_t self:tcp_socket { listen accept connected_socket_perms };

allow ypserv_t var_yp_t:dir rw_dir_perms;
allow ypserv_t var_yp_t:file create_file_perms;

allow ypserv_t ypserv_conf_t:file { getattr read };

allow ypserv_t ypserv_tmp_t:dir create_dir_perms;
allow ypserv_t ypserv_tmp_t:file create_file_perms;
files_create_tmp_files(ypserv_t, ypserv_tmp_t, { file dir })

allow ypserv_t ypserv_var_run_t:file { getattr create read write append setattr unlink };
files_create_pid(ypserv_t,ypserv_var_run_t)

kernel_read_kernel_sysctl(ypserv_t)
kernel_list_proc(ypserv_t)
kernel_read_proc_symlinks(ypserv_t)

corenet_tcp_sendrecv_all_if(ypserv_t)
corenet_raw_sendrecv_all_if(ypserv_t)
corenet_tcp_sendrecv_all_nodes(ypserv_t)
corenet_raw_sendrecv_all_nodes(ypserv_t)
corenet_tcp_sendrecv_all_ports(ypserv_t)
corenet_tcp_bind_all_nodes(ypserv_t)
corenet_tcp_bind_reserved_port(ypserv_t)
corenet_udp_bind_reserved_port(ypserv_t)
corenet_dontaudit_tcp_bind_all_reserved_ports(ypserv_t)
corenet_dontaudit_udp_bind_all_reserved_ports(ypserv_t)

dev_read_sysfs(ypserv_t)

fs_getattr_all_fs(ypserv_t)
fs_search_auto_mountpoints(ypserv_t)

term_dontaudit_use_console(ypserv_t)

domain_use_wide_inherit_fd(ypserv_t)

init_use_fd(ypserv_t)
init_use_script_pty(ypserv_t)
init_udp_sendto_script(ypserv_t)

libs_use_ld_so(ypserv_t)
libs_use_shared_libs(ypserv_t)

logging_send_syslog_msg(ypserv_t)

miscfiles_read_localization(ypserv_t)

sysnet_read_config(ypserv_t)

userdom_dontaudit_use_unpriv_user_fd(ypserv_t)
userdom_dontaudit_search_sysadm_home_dir(ypserv_t)

ifdef(`targeted_policy', `
	term_dontaudit_use_unallocated_tty(ypserv_t)
	term_dontaudit_use_generic_pty(ypserv_t)
	files_dontaudit_read_root_file(ypserv_t)
')

optional_policy(`selinuxutil.te',`
	seutil_sigchld_newrole(ypserv_t)
')

optional_policy(`udev.te', `
	udev_read_db(ypserv_t)
')

ifdef(`TODO',`
optional_policy(`rhgb.te', `
rhgb_domain(ypserv_t)
')

# Send to portmap and initrc.
can_udp_send(ypserv_t, portmap_t)

# Read and write /var/yp.
ifdef(`rpcd.te', `
allow rpcd_t ypserv_conf_t:file { getattr read };
')
') dnl end TODO