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


policy_module(ntp,1.1.0)

########################################
#
# 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 sendto recvfrom };

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_filetrans_log(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_filetrans_tmp(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_filetrans_pid(ntpd_t,ntpd_var_run_t)

kernel_read_kernel_sysctls(ntpd_t)
kernel_read_system_state(ntpd_t)

corenet_tcp_sendrecv_all_if(ntpd_t)
corenet_udp_sendrecv_all_if(ntpd_t)
corenet_raw_sendrecv_all_if(ntpd_t)
corenet_tcp_sendrecv_all_nodes(ntpd_t)
corenet_udp_sendrecv_all_nodes(ntpd_t)
corenet_raw_sendrecv_all_nodes(ntpd_t)
corenet_tcp_sendrecv_all_ports(ntpd_t)
corenet_udp_sendrecv_all_ports(ntpd_t)
corenet_non_ipsec_sendrecv(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)

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)

corecmd_exec_bin(ntpd_t)
corecmd_exec_sbin(ntpd_t)
corecmd_exec_ls(ntpd_t)
corecmd_exec_shell(ntpd_t)

domain_use_wide_inherit_fd(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_fd(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_fd(ntpd_t)
userdom_list_sysadm_home_dir(ntpd_t)
userdom_dontaudit_list_sysadm_home_dir(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(`cron',`
	# for cron jobs
	cron_system_entry(ntpd_t,ntpdate_exec_t)
')

optional_policy(`firstboot',`
	firstboot_dontaudit_use_fd(ntpd_t)
')

optional_policy(`logrotate',`
	logrotate_exec(ntpd_t)
')

optional_policy(`mount',`
	mount_send_nfs_client_request(ntpd_t)
')

optional_policy(`nis',`
	nis_use_ypbind(ntpd_t)
')

optional_policy(`nscd',`
	nscd_socket_use(ntpd_t)
')

optional_policy(`samba',`
	samba_stream_connect_winbind(ntpd_t)
')

optional_policy(`selinuxutil',`
	seutil_sigchld_newrole(ntpd_t)
')

optional_policy(`udev',`
	udev_read_db(ntpd_t)
')

ifdef(`TODO',`
allow ntpd_t sysadm_t:udp_socket sendto;
allow sysadm_t ntpd_t:udp_socket recvfrom;

allow sysadm_t ntpd_t:udp_socket sendto;
allow ntpd_t sysadm_t:udp_socket recvfrom;
') dnl end TODO
add ntp 2005-09-05 16:47:19 +00:00
fix module versions 2005-12-09 16:38:39 +00:00			`policy_module(ntp,1.1.0)`
add ntp 2005-09-05 16:47:19 +00:00
			`########################################`
			`#`
			`# 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`
			`#`

partial (most of it) merge of selinux-policy-strict-sources-1.27.1-15 2005-10-13 20:59:36 +00:00			`# sys_resource and setrlimit is for locking memory`
add ntp 2005-09-05 16:47:19 +00:00			`# ntpdate wants sys_nice`
partial (most of it) merge of selinux-policy-strict-sources-1.27.1-15 2005-10-13 20:59:36 +00:00			`allow ntpd_t self:capability { chown dac_override kill setgid setuid sys_time ipc_lock sys_chroot sys_nice sys_resource };`
add ntp 2005-09-05 16:47:19 +00:00			`dontaudit ntpd_t self:capability { net_admin sys_tty_config fsetid sys_nice };`
partial (most of it) merge of selinux-policy-strict-sources-1.27.1-15 2005-10-13 20:59:36 +00:00			`allow ntpd_t self:process { signal_perms setcap setsched setrlimit };`
add ntp 2005-09-05 16:47:19 +00:00			`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 sendto recvfrom };`

			`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 };`
rename create verb to filetrans for type transitioning ifs 2006-01-13 21:06:49 +00:00			`logging_filetrans_log(ntpd_t,ntpd_log_t,{ file dir })`
add ntp 2005-09-05 16:47:19 +00:00
			`# 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;`
rename create verb to filetrans for type transitioning ifs 2006-01-13 21:06:49 +00:00			`files_filetrans_tmp(ntpd_t, ntpd_tmp_t, { file dir })`
add ntp 2005-09-05 16:47:19 +00:00
			`allow ntpd_t ntpd_var_run_t:file create_file_perms;`
another pile o fixes 2005-10-26 18:07:20 +00:00			`allow ntpd_t ntpd_var_run_t:dir rw_dir_perms;`
rename create verb to filetrans for type transitioning ifs 2006-01-13 21:06:49 +00:00			`files_filetrans_pid(ntpd_t,ntpd_var_run_t)`
add ntp 2005-09-05 16:47:19 +00:00
renaming from 20060131 interface review, round 2 2006-01-31 16:49:43 +00:00			`kernel_read_kernel_sysctls(ntpd_t)`
add ntp 2005-09-05 16:47:19 +00:00			`kernel_read_system_state(ntpd_t)`

			`corenet_tcp_sendrecv_all_if(ntpd_t)`
			`corenet_udp_sendrecv_all_if(ntpd_t)`
			`corenet_raw_sendrecv_all_if(ntpd_t)`
			`corenet_tcp_sendrecv_all_nodes(ntpd_t)`
			`corenet_udp_sendrecv_all_nodes(ntpd_t)`
			`corenet_raw_sendrecv_all_nodes(ntpd_t)`
			`corenet_tcp_sendrecv_all_ports(ntpd_t)`
			`corenet_udp_sendrecv_all_ports(ntpd_t)`
add unlabeled association rules 2005-12-06 19:59:50 +00:00			`corenet_non_ipsec_sendrecv(ntpd_t)`
add ntp 2005-09-05 16:47:19 +00:00			`corenet_tcp_bind_all_nodes(ntpd_t)`
			`corenet_udp_bind_all_nodes(ntpd_t)`
			`corenet_udp_bind_ntp_port(ntpd_t)`
more merging of NSA CVS policy 2005-09-13 13:06:07 +00:00			`corenet_tcp_connect_ntp_port(ntpd_t)`
add ntp 2005-09-05 16:47:19 +00:00
			`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)`

			`corecmd_exec_bin(ntpd_t)`
			`corecmd_exec_sbin(ntpd_t)`
			`corecmd_exec_ls(ntpd_t)`
			`corecmd_exec_shell(ntpd_t)`

			`domain_use_wide_inherit_fd(ntpd_t)`
another slew of renaming 2006-02-02 21:08:12 +00:00			`domain_dontaudit_list_all_domains_state(ntpd_t)`
add ntp 2005-09-05 16:47:19 +00:00
			`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)`

a couple init renames 2006-02-06 15:40:41 +00:00			`init_exec_script_files(ntpd_t)`
add ntp 2005-09-05 16:47:19 +00:00			`init_use_fd(ntpd_t)`
another slew of renaming 2006-02-02 21:08:12 +00:00			`init_use_script_ptys(ntpd_t)`
add ntp 2005-09-05 16:47:19 +00:00
			`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_fd(ntpd_t)`
pile of sediff fixes 2005-11-08 22:00:30 +00:00			`userdom_list_sysadm_home_dir(ntpd_t)`
add ntp 2005-09-05 16:47:19 +00:00			`userdom_dontaudit_list_sysadm_home_dir(ntpd_t)`

			ifdef(`targeted_policy', `
another slew of renaming 2006-02-02 21:08:12 +00:00			`term_dontaudit_use_unallocated_ttys(ntpd_t)`
			`term_dontaudit_use_generic_ptys(ntpd_t)`
renaming from 20060131 interface review, round 3 2006-01-31 19:21:01 +00:00			`files_dontaudit_read_root_files(ntpd_t)`
add ntp 2005-09-05 16:47:19 +00:00			`')`

Change optional_policy() to refer to the module name rather than modulename.te. 2005-11-23 20:24:27 +00:00			optional_policy(`cron',`
add ntp 2005-09-05 16:47:19 +00:00			`# for cron jobs`
partial (most of it) merge of selinux-policy-strict-sources-1.27.1-15 2005-10-13 20:59:36 +00:00			`cron_system_entry(ntpd_t,ntpdate_exec_t)`
add ntp 2005-09-05 16:47:19 +00:00			`')`

Change optional_policy() to refer to the module name rather than modulename.te. 2005-11-23 20:24:27 +00:00			optional_policy(`firstboot',`
add ntp 2005-09-05 16:47:19 +00:00			`firstboot_dontaudit_use_fd(ntpd_t)`
			`')`

Change optional_policy() to refer to the module name rather than modulename.te. 2005-11-23 20:24:27 +00:00			optional_policy(`logrotate',`
add ntp 2005-09-05 16:47:19 +00:00			`logrotate_exec(ntpd_t)`
			`')`

Change optional_policy() to refer to the module name rather than modulename.te. 2005-11-23 20:24:27 +00:00			optional_policy(`mount',`
add ntp 2005-09-05 16:47:19 +00:00			`mount_send_nfs_client_request(ntpd_t)`
			`')`

Change optional_policy() to refer to the module name rather than modulename.te. 2005-11-23 20:24:27 +00:00			optional_policy(`nis',`
add ntp 2005-09-05 16:47:19 +00:00			`nis_use_ypbind(ntpd_t)`
			`')`

Change optional_policy() to refer to the module name rather than modulename.te. 2005-11-23 20:24:27 +00:00			optional_policy(`nscd',`
another slew of renaming 2006-02-02 21:08:12 +00:00			`nscd_socket_use(ntpd_t)`
add ntp 2005-09-05 16:47:19 +00:00			`')`

Change optional_policy() to refer to the module name rather than modulename.te. 2005-11-23 20:24:27 +00:00			optional_policy(`samba',`
another slew of renaming 2006-02-02 21:08:12 +00:00			`samba_stream_connect_winbind(ntpd_t)`
pile of sediff fixes 2005-11-08 22:00:30 +00:00			`')`

Change optional_policy() to refer to the module name rather than modulename.te. 2005-11-23 20:24:27 +00:00			optional_policy(`selinuxutil',`
add ntp 2005-09-05 16:47:19 +00:00			`seutil_sigchld_newrole(ntpd_t)`
			`')`

Change optional_policy() to refer to the module name rather than modulename.te. 2005-11-23 20:24:27 +00:00			optional_policy(`udev',`
add ntp 2005-09-05 16:47:19 +00:00			`udev_read_db(ntpd_t)`
			`')`

			ifdef(`TODO',`
			`allow ntpd_t sysadm_t:udp_socket sendto;`
			`allow sysadm_t ntpd_t:udp_socket recvfrom;`

			`allow sysadm_t ntpd_t:udp_socket sendto;`
			`allow ntpd_t sysadm_t:udp_socket recvfrom;`
			`') dnl end TODO`