Add shutdown from Dan Walsh.

Changelog

@@ -4,6 +4,7 @@
 - Added modules:
 	cgroup (Dominick Grift)
 	livecd (Dan Walsh)
+	shutdown (Dan Walsh)
 
 * Mon May 24 2010 Chris PeBenito <selinux@tresys.com> - 2.20100524
 - Merged a significant portion of Fedora policy.

policy/modules/admin/shutdown.fc

@@ -0,0 +1,5 @@
+/etc/nologin		--	gen_context(system_u:object_r:shutdown_etc_t,s0)
+
+/sbin/shutdown		--	gen_context(system_u:object_r:shutdown_exec_t,s0)
+
+/var/run/shutdown\.pid 	--	gen_context(system_u:object_r:shutdown_var_run_t,s0)

policy/modules/admin/shutdown.if

@@ -0,0 +1,67 @@
+## <summary>System shutdown command</summary>
+
+########################################
+## <summary>
+##	Execute a domain transition to run shutdown.
+## </summary>
+## <param name="domain">
+## <summary>
+##	Domain allowed to transition.
+## </summary>
+## </param>
+#
+interface(`shutdown_domtrans',`
+	gen_require(`
+		type shutdown_t, shutdown_exec_t;
+	')
+
+	domtrans_pattern($1, shutdown_exec_t, shutdown_t)
+
+	ifdef(`hide_broken_symptoms', `
+		dontaudit shutdown_t $1:socket_class_set { read write };
+		dontaudit shutdown_t $1:fifo_file { read write };
+	')
+')
+
+########################################
+## <summary>
+##	Execute shutdown in the shutdown domain, and
+##	allow the specified role the shutdown domain.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access
+##	</summary>
+## </param>
+## <param name="role">
+##	<summary>
+##	The role to be allowed the shutdown domain.
+##	</summary>
+## </param>
+#
+interface(`shutdown_run',`
+	gen_require(`
+		type shutdown_t;
+	')
+
+	shutdown_domtrans($1)
+	role $2 types shutdown_t;
+')
+
+########################################
+## <summary>
+##	Get attributes of shutdown executable.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`shutdown_getattr_exec_files',`
+	gen_require(`
+		type shutdown_exec_t;
+	')
+
+	allow $1 shutdown_exec_t:file getattr;
+')

policy/modules/admin/shutdown.te

@@ -0,0 +1,59 @@
+policy_module(shutdown, 1.0.0)
+
+########################################
+#
+# Declarations
+#
+
+type shutdown_t;
+type shutdown_exec_t;
+application_domain(shutdown_t, shutdown_exec_t)
+role system_r types shutdown_t;
+
+type shutdown_etc_t;
+files_config_file(shutdown_etc_t)
+
+type shutdown_var_run_t;
+files_pid_file(shutdown_var_run_t)
+
+########################################
+#
+# shutdown local policy
+#
+
+allow shutdown_t self:capability { dac_override kill setuid sys_tty_config };
+allow shutdown_t self:process { fork signal signull };
+
+allow shutdown_t self:fifo_file manage_fifo_file_perms;
+allow shutdown_t self:unix_stream_socket create_stream_socket_perms;
+
+manage_files_pattern(shutdown_t, shutdown_etc_t, shutdown_etc_t)
+files_etc_filetrans(shutdown_t, shutdown_etc_t, file)
+
+manage_files_pattern(shutdown_t, shutdown_var_run_t, shutdown_var_run_t)
+files_pid_filetrans(shutdown_t, shutdown_var_run_t, file)
+
+files_read_etc_files(shutdown_t)
+files_read_generic_pids(shutdown_t)
+
+term_use_all_terms(shutdown_t)
+
+auth_use_nsswitch(shutdown_t)
+auth_write_login_records(shutdown_t)
+
+init_dontaudit_write_utmp(shutdown_t)
+init_read_utmp(shutdown_t)
+init_telinit(shutdown_t)
+
+logging_send_audit_msgs(shutdown_t)
+
+miscfiles_read_localization(shutdown_t)
+
+optional_policy(`
+	dbus_system_bus_client(shutdown_t)
+	dbus_connect_system_bus(shutdown_t)
+')
+
+optional_policy(`
+	xserver_dontaudit_write_log(shutdown_t)
+')