add ntp

refpolicy/Changelog

@@ -7,6 +7,7 @@
 	dhcp
 	dictd
 	hal
+	ntp
 	squid
 
 * Fri Aug 26 2005 Chris PeBenito <selinux@tresys.com> - 20050826

refpolicy/policy/modules/admin/firstboot.if

@@ -70,6 +70,24 @@ interface(`firstboot_use_fd',`
 	allow $1 firstboot_t:fd use;
 ')
 
+########################################
+## <summary>
+##	Do not audit attempts to inherit a
+##	file descriptor from firstboot.
+## </summary>
+## <param name="domain">
+##	Domain to not audit.
+## </param>
+#
+interface(`firstboot_dontaudit_use_fd',`
+	gen_require(`
+		type firstboot_t;
+		class fd use;
+	')
+
+	dontaudit $1 firstboot_t:fd use;
+')
+
 ########################################
 ## <summary>
 ##	Write to a firstboot unnamed pipe.

refpolicy/policy/modules/kernel/corenetwork.te.in

@@ -61,6 +61,7 @@ network_port(ldap, tcp,389,s0, udp,389,s0, tcp,636,s0, udp,636,s0)
 network_port(mail, tcp,2000,s0)
 network_port(mysqld, tcp,3306,s0)
 network_port(nmbd, udp,137,s0, udp,138,s0, udp,139,s0)
+network_port(ntp, udp,123,s0)
 network_port(pop, tcp,106,s0, tcp,109,s0, tcp,110,s0)
 network_port(portmap, udp,111,s0, tcp,111,s0)
 network_port(postgresql, tcp,5432,s0)

refpolicy/policy/modules/services/ntp.fc

@@ -0,0 +1,19 @@
+
+/etc/ntp(d)?\.conf(.sv)?	--	context_template(system_u:object_r:net_conf_t,s0)
+
+/etc/cron\.(daily|weekly)/ntp-simple -- context_template(system_u:object_r:ntpd_exec_t,s0)
+/etc/cron\.(daily|weekly)/ntp-server -- context_template(system_u:object_r:ntpd_exec_t,s0)
+
+/etc/ntp/step-tickers		--	context_template(system_u:object_r:net_conf_t,s0)
+/etc/ntp/data(/.*)?			context_template(system_u:object_r:ntp_drift_t,s0)
+
+/usr/sbin/ntpd			--	context_template(system_u:object_r:ntpd_exec_t,s0)
+/usr/sbin/ntpdate		--	context_template(system_u:object_r:ntpdate_exec_t,s0)
+
+/var/lib/ntp(/.*)?			context_template(system_u:object_r:ntp_drift_t,s0)
+
+/var/log/ntp.*			--	context_template(system_u:object_r:ntpd_log_t,s0)
+/var/log/ntpstats(/.*)?			context_template(system_u:object_r:ntpd_log_t,s0)
+/var/log/xntpd.*		--	context_template(system_u:object_r:ntpd_log_t,s0)
+
+/var/run/ntpd\.pid		--	context_template(system_u:object_r:ntpd_var_run_t,s0)

refpolicy/policy/modules/services/ntp.if

@@ -0,0 +1,51 @@
+## <summary>Network time protocol daemon</summary>
+
+########################################
+## <summary>
+##	Execute ntp server in the ntpd domain.
+## </summary>
+## <param name="domain">
+##	The type of the process performing this action.
+## </param>
+#
+interface(`ntp_domtrans',`
+	gen_require(`
+		type ntpd_t, ntpd_exec_t;
+		class process sigchld;
+		class fd use;
+		class fifo_file rw_file_perms;
+	')
+
+	corecmd_search_sbin($1)
+	domain_auto_trans($1,ntpd_exec_t,ntpd_t)
+
+	allow $1 ntpd_t:fd use;
+	allow ntpd_t $1:fd use;
+	allow ntpd_t $1:fifo_file rw_file_perms;
+	allow ntpd_t $1:process sigchld;
+')
+
+########################################
+## <summary>
+##	Execute ntp server in the ntpd domain.
+## </summary>
+## <param name="domain">
+##	The type of the process performing this action.
+## </param>
+#
+interface(`ntp_domtrans_ntpdate',`
+	gen_require(`
+		type ntpd_t, ntpdate_exec_t;
+		class process sigchld;
+		class fd use;
+		class fifo_file rw_file_perms;
+	')
+
+	corecmd_search_sbin($1)
+	domain_auto_trans($1,ntpdate_exec_t,ntpd_t)
+
+	allow $1 ntpd_t:fd use;
+	allow ntpd_t $1:fd use;
+	allow ntpd_t $1:fifo_file rw_file_perms;
+	allow ntpd_t $1:process sigchld;
+')

refpolicy/policy/modules/services/ntp.te

@@ -0,0 +1,172 @@
+
+policy_module(ntp,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
+#
+
+allow ntpd_t self:capability { kill setgid setuid sys_time ipc_lock sys_chroot };
+# ntpdate wants sys_nice
+dontaudit ntpd_t self:capability { net_admin sys_tty_config fsetid sys_nice };
+allow ntpd_t self:process { signal_perms setcap setsched };
+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_create_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_create_tmp_files(ntpd_t, ntpd_tmp_t, { file dir })
+
+allow ntpd_t ntpd_var_run_t:file create_file_perms;
+files_create_pid(ntpd_t,ntpd_var_run_t)
+
+kernel_read_kernel_sysctl(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_tcp_bind_all_nodes(ntpd_t)
+corenet_udp_bind_all_nodes(ntpd_t)
+corenet_udp_bind_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_proc(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(ntpd_t)
+init_use_fd(ntpd_t)
+init_use_script_pty(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_dontaudit_list_sysadm_home_dir(ntpd_t)
+
+ifdef(`targeted_policy', `
+	term_dontaudit_use_unallocated_tty(ntpd_t)
+	term_dontaudit_use_generic_pty(ntpd_t)
+	files_dontaudit_read_root_file(ntpd_t)
+')
+
+optional_policy(`crond.te',`
+	# for cron jobs
+	# system_crond_t is not right, cron is not doing what it should
+	cron_system_entry(ntpd_t,ntpd_exec_t)
+')
+
+optional_policy(`firstboot.te',`
+	firstboot_dontaudit_use_fd(ntpd_t)
+')
+
+optional_policy(`logrotate.te',`
+	logrotate_exec(ntpd_t)
+')
+
+optional_policy(`mount.te',`
+	mount_send_nfs_client_request(ntpd_t)
+')
+
+optional_policy(`nis.te',`
+	nis_use_ypbind(ntpd_t)
+')
+
+optional_policy(`nscd.te',`
+	nscd_use_socket(ntpd_t)
+')
+
+optional_policy(`selinuxutil.te',`
+	seutil_sigchld_newrole(ntpd_t)
+')
+
+optional_policy(`udev.te', `
+	udev_read_db(ntpd_t)
+')
+
+ifdef(`TODO',`
+optional_policy(`rhgb.te',`
+	rhgb_domain(ntpd_t)
+')
+
+# so the start script can change firewall entries
+allow initrc_t net_conf_t:file { getattr read ioctl };
+
+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;
+
+ifdef(`winbind.te', `
+allow ntpd_t winbind_var_run_t:dir r_dir_perms;
+allow ntpd_t winbind_var_run_t:sock_file rw_file_perms;
+')
+') dnl end TODO

refpolicy/policy/modules/system/files.if

@@ -489,10 +489,10 @@ interface(`files_mount_all_file_type_fs',`
 interface(`files_unmount_all_file_type_fs',`
 	gen_require(`
 		attribute file_type;
-		filesystem mount;
+		filesystem unmount;
 	')
 
-	allow $1 file_type:filesystem mount;
+	allow $1 file_type:filesystem unmount;
 ')
 
 ########################################

refpolicy/policy/modules/system/sysnetwork.te

@@ -117,6 +117,7 @@ corecmd_exec_sbin(dhcpc_t)
 corecmd_exec_shell(dhcpc_t)
 
 domain_use_wide_inherit_fd(dhcpc_t)
+domain_dontaudit_list_all_domains_proc(dhcpc_t)
 
 files_read_etc_files(dhcpc_t)
 files_read_etc_runtime_files(dhcpc_t)
@@ -187,7 +188,7 @@ optional_policy(`nscd.te',`
 optional_policy(`ntpd.te',`
 	# dhclient sometimes starts ntpd
 	init_exec_script(dhcpc_t)
-	ntpd_domtrans(dhcpc_t)
+	ntp_domtrans(dhcpc_t)
 ')
 
 optional_policy(`selinuxutil.te',`
@@ -204,12 +205,9 @@ optional_policy(`userdomain.te',`
 ')
 
 ifdef(`TODO',`
-
 optional_policy(`rhgb.te',`
 rhgb_domain(dhcpc_t)
 ')
-
-dontaudit dhcpc_t domain:dir getattr;
 ') dnl endif TODO
 
 ########################################

refpolicy/policy/modules/system/userdomain.if

@@ -1506,6 +1506,24 @@ interface(`userdom_dontaudit_search_sysadm_home_dir',`
 	dontaudit $1 sysadm_home_dir_t:dir search;
 ')
 
+########################################
+## <summary>
+##	Do not audit attempts to list the sysadm
+##	users home directory.
+## </summary>
+## <param name="domain">
+##	Domain to not audit.
+## </param>
+#
+interface(`userdom_dontaudit_list_sysadm_home_dir',`
+	gen_require(`
+		type sysadm_home_dir_t;
+		class dir r_dir_perms;
+	')
+
+	dontaudit $1 sysadm_home_dir_t:dir r_dir_perms;
+')
+
 ########################################
 ## <summary>
 ##	Read files in the sysadm users home directory.