selinux-policy/policy/modules/services/ntp.te

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policy_module(ntp,1.1.5)
########################################
#
# Declarations
#
type ntp_drift_t;
files_type(ntp_drift_t)
type ntpd_t;
type ntpd_exec_t;
init_daemon_domain(ntpd_t,ntpd_exec_t)
type ntpd_log_t;
logging_log_file(ntpd_log_t)
type ntpd_tmp_t;
files_tmp_file(ntpd_tmp_t)
type ntpd_var_run_t;
files_pid_file(ntpd_var_run_t)
type ntpdate_exec_t;
init_system_domain(ntpd_t,ntpdate_exec_t)
########################################
#
# Local policy
#
# sys_resource and setrlimit is for locking memory
# ntpdate wants sys_nice
allow ntpd_t self:capability { chown dac_override kill setgid setuid sys_time ipc_lock sys_chroot sys_nice sys_resource };
dontaudit ntpd_t self:capability { net_admin sys_tty_config fsetid sys_nice };
allow ntpd_t self:process { signal_perms setcap setsched setrlimit };
allow ntpd_t self:fifo_file { read write getattr };
allow ntpd_t self:unix_dgram_socket create_socket_perms;
allow ntpd_t self:unix_stream_socket create_socket_perms;
allow ntpd_t self:netlink_route_socket r_netlink_socket_perms;
allow ntpd_t self:tcp_socket create_stream_socket_perms;
allow ntpd_t self:udp_socket create_socket_perms;
allow ntpd_t ntp_drift_t:dir rw_dir_perms;
allow ntpd_t ntp_drift_t:file create_file_perms;
can_exec(ntpd_t,ntpd_exec_t)
allow ntpd_t ntpd_log_t:file create_file_perms;
allow ntpd_t ntpd_log_t:dir { rw_dir_perms setattr };
logging_log_filetrans(ntpd_t,ntpd_log_t,{ file dir })
# for some reason it creates a file in /tmp
allow ntpd_t ntpd_tmp_t:dir create_dir_perms;
allow ntpd_t ntpd_tmp_t:file create_file_perms;
files_tmp_filetrans(ntpd_t, ntpd_tmp_t, { file dir })
allow ntpd_t ntpd_var_run_t:file create_file_perms;
allow ntpd_t ntpd_var_run_t:dir rw_dir_perms;
files_pid_filetrans(ntpd_t,ntpd_var_run_t,file)
kernel_read_kernel_sysctls(ntpd_t)
kernel_read_system_state(ntpd_t)
kernel_read_network_state(ntpd_t)
corenet_non_ipsec_sendrecv(ntpd_t)
corenet_tcp_sendrecv_all_if(ntpd_t)
corenet_udp_sendrecv_all_if(ntpd_t)
corenet_tcp_sendrecv_all_nodes(ntpd_t)
corenet_udp_sendrecv_all_nodes(ntpd_t)
corenet_tcp_sendrecv_all_ports(ntpd_t)
corenet_udp_sendrecv_all_ports(ntpd_t)
corenet_tcp_bind_all_nodes(ntpd_t)
corenet_udp_bind_all_nodes(ntpd_t)
corenet_udp_bind_ntp_port(ntpd_t)
corenet_tcp_connect_ntp_port(ntpd_t)
corenet_sendrecv_ntp_server_packets(ntpd_t)
corenet_sendrecv_ntp_client_packets(ntpd_t)
dev_read_sysfs(ntpd_t)
# for SSP
dev_read_urand(ntpd_t)
fs_getattr_all_fs(ntpd_t)
fs_search_auto_mountpoints(ntpd_t)
term_dontaudit_use_console(ntpd_t)
auth_use_nsswitch(ntpd_t)
corecmd_exec_bin(ntpd_t)
corecmd_exec_sbin(ntpd_t)
corecmd_exec_ls(ntpd_t)
corecmd_exec_shell(ntpd_t)
domain_use_interactive_fds(ntpd_t)
domain_dontaudit_list_all_domains_state(ntpd_t)
files_read_etc_files(ntpd_t)
files_read_etc_runtime_files(ntpd_t)
files_read_usr_files(ntpd_t)
files_list_var_lib(ntpd_t)
init_exec_script_files(ntpd_t)
init_use_fds(ntpd_t)
init_use_script_ptys(ntpd_t)
libs_use_ld_so(ntpd_t)
libs_use_shared_libs(ntpd_t)
logging_send_syslog_msg(ntpd_t)
miscfiles_read_localization(ntpd_t)
sysnet_read_config(ntpd_t)
userdom_dontaudit_use_unpriv_user_fds(ntpd_t)
userdom_list_sysadm_home_dirs(ntpd_t)
userdom_dontaudit_list_sysadm_home_dirs(ntpd_t)
ifdef(`targeted_policy', `
term_dontaudit_use_unallocated_ttys(ntpd_t)
term_dontaudit_use_generic_ptys(ntpd_t)
files_dontaudit_read_root_files(ntpd_t)
')
optional_policy(`
# for cron jobs
cron_system_entry(ntpd_t,ntpdate_exec_t)
')
optional_policy(`
firstboot_dontaudit_use_fds(ntpd_t)
')
optional_policy(`
logrotate_exec(ntpd_t)
')
optional_policy(`
seutil_sigchld_newrole(ntpd_t)
')
optional_policy(`
udev_read_db(ntpd_t)
')