policy_module(init,1.0)

gen_require(`

	class passwd rootok;

')

########################################

#

# Declarations

#

# used for direct running of init scripts

# by admin domains

attribute direct_run_init;

attribute direct_init;

attribute direct_init_entry;

#

# init_t is the domain of the init process.

#

# real declaration moved to mls until

# range_transition works in loadable modules

gen_require(`

	type init_t;

')

domain_type(init_t)

role system_r types init_t;

#

# init_exec_t is the type of the init program.

#

# real declaration moved to mls until

# range_transition works in loadable modules

gen_require(`

	type init_exec_t;

')

kernel_userland_entry(init_t,init_exec_t)

domain_entry_file(init_t,init_exec_t)

#

# init_var_run_t is the type for /var/run/shutdown.pid.

#

type init_var_run_t;

files_pid_file(init_var_run_t)

#

# initctl_t is the type of the named pipe created 

# by init during initialization.  This pipe is used

# to communicate with init.

#

type initctl_t;

files_type(initctl_t)

mls_trusted_object(initctl_t)

# real declaration moved to mls until

# range_transition works in loadable modules

gen_require(`

	type initrc_t;

')

domain_type(initrc_t)

role system_r types initrc_t;

type initrc_exec_t;

domain_entry_file(initrc_t,initrc_exec_t)

type initrc_devpts_t;

term_pty(initrc_devpts_t)

files_type(initrc_devpts_t)

type initrc_state_t;

files_type(initrc_state_t)

type initrc_tmp_t;

files_tmp_file(initrc_tmp_t)

type initrc_var_run_t;

files_pid_file(initrc_var_run_t)

########################################

#

# Init local policy

#

# Use capabilities. old rule:

allow init_t self:capability ~sys_module;

# is ~sys_module really needed? observed: 

# sys_boot

# sys_tty_config

# kill: now provided by domain_kill_all_domains()

# setuid (from /sbin/shutdown)

# sys_chroot (from /usr/bin/chroot): now provided by corecmd_chroot_exec_chroot()

allow init_t self:fifo_file rw_file_perms;

# Re-exec itself

allow init_t init_exec_t:file { getattr read ioctl execute execute_no_trans };

allow init_t initrc_t:unix_stream_socket connectto;

# For /var/run/shutdown.pid.

allow init_t init_var_run_t:file { create getattr read append write setattr unlink };

files_create_pid(init_t,init_var_run_t)

allow init_t initctl_t:fifo_file { create getattr read append write setattr unlink };

fs_associate_tmpfs(initctl_t)

dev_create_dev_node(init_t,initctl_t,fifo_file)

# Modify utmp.

allow init_t initrc_var_run_t:file { rw_file_perms setattr };

# Run init scripts.

domain_auto_trans(init_t,initrc_exec_t,initrc_t)

kernel_read_system_state(init_t)

kernel_share_state(init_t)

kernel_sigchld_from(init_t)

# If you load a new policy that removes active domains, processes can

# get stuck if you do not allow unlabeled processes to signal init.

# If you load an incompatible policy, you should probably reboot,

# since you may have compromised system security.

kernel_sigchld_from_unlabeled(init_t)

dev_read_sysfs(init_t)

mls_process_write_down(init_t)

selinux_set_boolean(init_t)

term_use_all_terms(init_t)

corecmd_exec_chroot(init_t)

corecmd_exec_bin(init_t)

corecmd_exec_sbin(init_t)

domain_kill_all_domains(init_t)

domain_signal_all_domains(init_t)

domain_signull_all_domains(init_t)

domain_sigstop_all_domains(init_t)

domain_sigstop_all_domains(init_t)

domain_sigchld_all_domains(init_t)

files_read_etc_files(init_t)

files_rw_generic_pids(init_t)

files_dontaudit_search_isid_type_dir(init_t)

files_manage_etc_runtime_files(init_t)

# Run /etc/X11/prefdm:

files_exec_etc_files(init_t)

# file descriptors inherited from the rootfs:

files_dontaudit_rw_root_file(init_t)

files_dontaudit_rw_root_chr_dev(init_t)

libs_use_ld_so(init_t)

libs_use_shared_libs(init_t)

libs_rw_ld_so_cache(init_t)

logging_send_syslog_msg(init_t)

logging_rw_generic_logs(init_t)

mls_file_read_up(init_t)

mls_file_write_down(init_t)

mls_rangetrans_target(init_t)

seutil_read_config(init_t)

miscfiles_read_localization(init_t)

ifdef(`distro_redhat',`

	fs_use_tmpfs_chr_dev(init_t)

	fs_create_tmpfs_data(init_t,initctl_t,fifo_file)

')

ifdef(`targeted_policy',`

	unconfined_domain_template(init_t)

')

optional_policy(`authlogin.te',`

	auth_rw_login_records(init_t)

')

optional_policy(`nscd.te',`

	nscd_use_socket(init_t)

')

optional_policy(`portmap.te',`

	portmap_udp_sendto(init_t)

')

# Run the shell in the sysadm_t domain for single-user mode.

optional_policy(`userdomain.te',`

	userdom_shell_domtrans_sysadm(init_t)

')

ifdef(`TODO',`

allow init_t ramfs_t:sock_file write;

')

########################################

#

# Init script local policy

#

allow initrc_t self:process { getpgid setsched setpgid setrlimit getsched };

allow initrc_t self:capability ~{ sys_admin sys_module };

allow initrc_t self:passwd rootok;

# Allow IPC with self

allow initrc_t self:unix_dgram_socket create_socket_perms;

allow initrc_t self:unix_stream_socket { create listen accept ioctl read getattr write setattr append bind connect getopt setopt shutdown connectto };

allow initrc_t self:tcp_socket create_stream_socket_perms;

allow initrc_t self:udp_socket create_socket_perms;

allow initrc_t self:fifo_file rw_file_perms;

allow initrc_t self:netlink_route_socket r_netlink_socket_perms;

allow initrc_t init_t:fd use;

allow initrc_t initrc_devpts_t:chr_file rw_term_perms;

term_create_pty(initrc_t,initrc_devpts_t)

can_exec(initrc_t,initrc_exec_t)

allow initrc_t initrc_state_t:dir create_dir_perms;

allow initrc_t initrc_state_t:file create_file_perms;

allow initrc_t initrc_state_t:lnk_file { create read getattr setattr unlink rename };

allow initrc_t initrc_var_run_t:file create_file_perms;

files_create_pid(initrc_t,initrc_var_run_t)

can_exec(initrc_t,initrc_tmp_t)

allow initrc_t initrc_tmp_t:file create_file_perms;

allow initrc_t initrc_tmp_t:dir create_dir_perms;

files_create_tmp_files(initrc_t,initrc_tmp_t, { file dir })

kernel_read_system_state(initrc_t)

kernel_read_software_raid_state(initrc_t)

kernel_read_network_state(initrc_t)

kernel_read_ring_buffer(initrc_t)

kernel_change_ring_buffer_level(initrc_t)

kernel_clear_ring_buffer(initrc_t)

kernel_get_sysvipc_info(initrc_t)

kernel_read_all_sysctl(initrc_t)

kernel_rw_all_sysctl(initrc_t)

# for lsof which is used by alsa shutdown:

kernel_dontaudit_getattr_message_if(initrc_t)

bootloader_read_kernel_symbol_table(initrc_t)

corenet_tcp_sendrecv_all_if(initrc_t)

corenet_raw_sendrecv_all_if(initrc_t)

corenet_udp_sendrecv_all_if(initrc_t)

corenet_tcp_sendrecv_all_nodes(initrc_t)

corenet_raw_sendrecv_all_nodes(initrc_t)

corenet_udp_sendrecv_all_nodes(initrc_t)

corenet_tcp_sendrecv_all_ports(initrc_t)

corenet_udp_sendrecv_all_ports(initrc_t)

corenet_tcp_bind_all_nodes(initrc_t)

corenet_udp_bind_all_nodes(initrc_t)

corenet_tcp_connect_all_ports(initrc_t)

dev_read_rand(initrc_t)

dev_read_urand(initrc_t)

dev_write_rand(initrc_t)

dev_write_urand(initrc_t)

dev_rw_sysfs(initrc_t)

dev_list_usbfs(initrc_t)

dev_read_framebuffer(initrc_t)

dev_read_realtime_clock(initrc_t)

dev_read_snd_mixer_dev(initrc_t)

dev_write_snd_mixer_dev(initrc_t)

dev_setattr_all_chr_files(initrc_t)

dev_read_lvm_control(initrc_t)

dev_delete_lvm_control(initrc_t)

dev_manage_generic_symlinks(initrc_t)

# Wants to remove udev.tbl:

dev_del_generic_symlinks(initrc_t)

fs_register_binary_executable_type(initrc_t)

# rhgb-console writes to ramfs

fs_write_ramfs_pipe(initrc_t)

# cjp: not sure why these are here; should use mount policy

fs_mount_all_fs(initrc_t)

fs_unmount_all_fs(initrc_t)

fs_remount_all_fs(initrc_t)

fs_getattr_all_fs(initrc_t)

selinux_get_enforce_mode(initrc_t)

storage_getattr_fixed_disk(initrc_t)

storage_setattr_fixed_disk(initrc_t)

storage_setattr_removable_device(initrc_t)

term_use_all_terms(initrc_t)

term_reset_tty_labels(initrc_t)

auth_rw_login_records(initrc_t)

auth_rw_lastlog(initrc_t)

auth_read_pam_pid(initrc_t)

auth_delete_pam_pid(initrc_t)

auth_delete_pam_console_data(initrc_t)

corecmd_exec_bin(initrc_t)

corecmd_exec_sbin(initrc_t)

corecmd_exec_shell(initrc_t)

corecmd_exec_ls(initrc_t)

domain_kill_all_domains(initrc_t)

domain_signal_all_domains(initrc_t)

domain_signull_all_domains(initrc_t)

domain_sigstop_all_domains(initrc_t)

domain_sigstop_all_domains(initrc_t)

domain_sigchld_all_domains(initrc_t)

domain_read_all_domains_state(initrc_t)

domain_getattr_all_domains(initrc_t)

domain_dontaudit_ptrace_all_domains(initrc_t)

domain_getsession_all_domains(initrc_t)

domain_use_wide_inherit_fd(initrc_t)

domain_exec_all_entry_files(initrc_t)

# for lsof which is used by alsa shutdown:

domain_dontaudit_getattr_all_udp_sockets(initrc_t)

domain_dontaudit_getattr_all_tcp_sockets(initrc_t)

domain_dontaudit_getattr_all_unix_dgram_sockets(initrc_t)

domain_dontaudit_getattr_all_unnamed_pipes(initrc_t)

files_getattr_all_dirs(initrc_t)

files_getattr_all_files(initrc_t)

files_getattr_all_symlinks(initrc_t)

files_getattr_all_pipes(initrc_t)

files_getattr_all_sockets(initrc_t)

files_purge_tmp(initrc_t)

files_delete_all_locks(initrc_t)

files_read_all_pids(initrc_t)

files_delete_all_pids(initrc_t)

files_delete_all_pid_dirs(initrc_t)

files_read_etc_files(initrc_t)

files_manage_etc_runtime_files(initrc_t)

files_manage_generic_locks(initrc_t)

files_exec_etc_files(initrc_t)

files_read_usr_files(initrc_t)

files_manage_urandom_seed(initrc_t)

files_manage_generic_spools(initrc_t)

# Mount and unmount file systems.

# cjp: not sure why these are here; should use mount policy

files_list_isid_type_dir(initrc_t)

files_mounton_isid_type_dir(initrc_t)

files_list_default(initrc_t)

files_mounton_default(initrc_t)

libs_rw_ld_so_cache(initrc_t)

libs_use_ld_so(initrc_t)

libs_use_shared_libs(initrc_t)

libs_exec_lib_files(initrc_t)

logging_send_syslog_msg(initrc_t)

logging_manage_generic_logs(initrc_t)

logging_read_all_logs(initrc_t)

logging_append_all_logs(initrc_t)

logging_read_auditd_config(initrc_t)

miscfiles_read_localization(initrc_t)

# slapd needs to read cert files from its initscript

miscfiles_read_certs(initrc_t)

mls_file_read_up(initrc_t)

mls_file_write_down(initrc_t)

mls_process_read_up(initrc_t)

mls_process_write_down(initrc_t)

modutils_read_module_conf(initrc_t)

modutils_domtrans_insmod(initrc_t)

seutil_read_config(initrc_t)

sysnet_read_config(initrc_t)

udev_rw_db(initrc_t)

userdom_read_all_user_files(initrc_t)

# Allow access to the sysadm TTYs. Note that this will give access to the 

# TTYs to any process in the initrc_t domain. Therefore, daemons and such

# started from init should be placed in their own domain.

userdom_use_sysadm_terms(initrc_t)

ifdef(`distro_debian', `

	dev_setattr_dev_dir(initrc_t)

	fs_create_tmpfs_data(initrc_t,initrc_var_run_t,dir)

	# for storing state under /dev/shm

	fs_setattr_tmpfs_dir(initrc_t)

	storage_create_fixed_disk_tmpfs(initrc_t)

	files_setattr_etc_dir(initrc_t)

')

ifdef(`distro_gentoo',`

	optional_policy(`arpwatch.te',`

		arpwatch_manage_data_files(initrc_t)

	')

	optional_policy(`dhcp.te',`

		dhcpd_setattr_state_files(initrc_t)

	')

')

ifdef(`distro_redhat',`

	# this is from kmodule, which should get its own policy:

	allow initrc_t self:capability sys_admin;

	# Red Hat systems seem to have a stray

	# fd open from the initrd

	kernel_dontaudit_use_fd(initrc_t)

	files_dontaudit_read_root_file(initrc_t)

	selinux_set_enforce_mode(initrc_t)

	# Create and read /boot/kernel.h and /boot/System.map.

	# Redhat systems typically create this file at boot time.

	bootloader_create_runtime_file(initrc_t)

	bootloader_rw_boot_symlinks(initrc_t)

	# These seem to be from the initrd

	# during device initialization:

	dev_create_dir(initrc_t)

	dev_rwx_zero_dev(initrc_t)

	dev_rx_raw_memory(initrc_t)

	dev_wx_raw_memory(initrc_t)

	storage_raw_read_fixed_disk(initrc_t)

	storage_raw_write_fixed_disk(initrc_t)

	fs_use_tmpfs_chr_dev(initrc_t)

	storage_create_fixed_disk(initrc_t)

	files_create_boot_flag(initrc_t)

	files_getattr_all_file_type_sockets(initrc_t)

	# wants to read /.fonts directory

	files_read_default_files(initrc_t)

	files_mountpoint(initrc_tmp_t)

	# readahead asks for these

	mta_read_aliases(initrc_t)

	optional_policy(`bind.te',`

		bind_manage_config_dir(initrc_t)

	')

	optional_policy(`rpc.te',`

		#for /etc/rc.d/init.d/nfs to create /etc/exports

		rpc_write_exports(initrc_t)

	')

')

ifdef(`targeted_policy',`

	domain_subj_id_change_exempt(initrc_t)

	unconfined_domain_template(initrc_t)

',`

	# cjp: require doesnt work in optionals :\

	# this also would result in a type transition

	# conflict if sendmail is enabled

#	optional_policy(`sendmail.te',`',`

#		mta_send_mail(initrc_t)

#	')

')

optional_policy(`apm.te',`

	dev_rw_apm_bios(initrc_t)

')

optional_policy(`apache.te',`

	apache_read_config(initrc_t)

	apache_list_modules(initrc_t)

')

optional_policy(`bind.te',`

	bind_read_config(initrc_t)

	# for chmod in start script

	bind_setattr_pid_dir(initrc_t)

	# for /etc/rndc.key

	ifdef(`distro_redhat',`

		# Allow init script to cp localtime to named_conf_t

		bind_write_config(initrc_t)

	')

')

optional_policy(`bluetooth.te',`

	dev_read_usbfs(initrc_t)

')

optional_policy(`cpucontrol.te',`

	cpucontrol_stub(initrc_t)

	dev_getattr_cpu(initrc_t)

')

optional_policy(`dbus.te',`

	dbus_connect_system_bus(initrc_t)

	dbus_send_system_bus_msg(initrc_t)

	# FIXME

	allow initrc_t system_dbusd_t:dbus { send_msg acquire_svc };

	allow initrc_t system_dbusd_t:unix_stream_socket connectto;

	allow initrc_t system_dbusd_var_run_t:sock_file write;

	ifdef(`targeted_policy',`

		allow unconfined_t initrc_t:dbus { acquire_svc send_msg };

		allow initrc_t unconfined_t:dbus { acquire_svc send_msg };

	')

')

optional_policy(`ftp.te',`

	ftp_read_config(initrc_t)

')

optional_policy(`gpm.te',`

	gpm_setattr_gpmctl(initrc_t)

')

optional_policy(`hotplug.te',`

	dev_read_usbfs(initrc_t)

	# init scripts run /etc/hotplug/usb.rc

	hotplug_read_config(initrc_t)

	modutils_read_mods_deps(initrc_t)

')

optional_policy(`inn.te',`

	inn_exec_config(initrc_t)

')

optional_policy(`ipsec.te',`

	ipsec_read_config(initrc_t)

	ipsec_manage_pid(initrc_t)

')

optional_policy(`kerberos.te',`

	kerberos_use(initrc_t)

')

optional_policy(`ldap.te',`

	ldap_read_config(initrc_t)

	ldap_list_db_dir(initrc_t)

')

optional_policy(`loadkeys.te',`

	loadkeys_exec(initrc_t)

')

optional_policy(`lpd.te',`

	# This is needed to permit chown to read /var/spool/lpd/lp.

	# This is opens up security more than necessary; this means that ANYTHING

	# running in the initrc_t domain can read the printer spool directory.

	# Perhaps executing /etc/rc.d/init.d/lpd should transition

	# to domain lpd_t, instead of waiting for executing lpd.

	lpd_list_spool(initrc_t)

	lpd_read_config(initrc_t)

')

optional_policy(`lvm.te',`

	#allow initrc_t lvm_control_t:chr_file unlink;

	dev_read_lvm_control(initrc_t)

	dev_create_generic_chr_file(initrc_t)

')

optional_policy(`mailman.te',`

	mailman_list_data(initrc_t)

	mailman_read_data_symlinks(initrc_t)

')

optional_policy(`mta.te',`

	mta_dontaudit_read_spool_symlink(initrc_t)

')

optional_policy(`mysql.te',`

	ifdef(`distro_redhat',`

		mysql_manage_db_dir(initrc_t)

	')

	mysql_stream_connect(initrc_t)

	mysql_write_log(initrc_t)

')

optional_policy(`nis.te',`

	nis_use_ypbind(initrc_t)

	nis_udp_sendto_ypbind(initrc_t)

	nis_list_var_yp(initrc_t)

')

optional_policy(`nscd.te',`

	nscd_use_socket(initrc_t)

')

optional_policy(`raid.te',`

	raid_manage_mdadm_pid(initrc_t)

')

optional_policy(`rpc.te',`

	rpc_read_exports(initrc_t)

')

optional_policy(`postgresql.te',`

	postgresql_manage_db(initrc_t)

	postgresql_read_config(initrc_t)

')

optional_policy(`postfix.te',`

	postfix_list_spool(initrc_t)

')

optional_policy(`quota.te',`

	quota_manage_flags(initrc_t)

')

optional_policy(`rhgb.te',`

	corecmd_shell_entry_type(initrc_t)

')

optional_policy(`rpm.te',`

	# bash tries to access a block device in the initrd

	kernel_dontaudit_getattr_unlabeled_blk_dev(initrc_t)

	# for a bug in rm

	files_dontaudit_write_all_pids(initrc_t)

	# bash tries ioctl for some reason

	files_dontaudit_ioctl_all_pids(initrc_t)

	# why is this needed:

	rpm_manage_db(initrc_t)

')

optional_policy(`samba.te',`

	samba_rw_config(initrc_t)

	samba_read_winbind_pid(initrc_t)

')

optional_policy(`squid.te',`

	squid_read_config(initrc_t)

	squid_manage_logs(initrc_t)

')

optional_policy(`ssh.te',`

	ssh_dontaudit_read_server_keys(initrc_t)

')

# allow init scripts to su

optional_policy(`su.te',`

	su_restricted_domain_template(initrc,initrc_t,system_r)

')

optional_policy(`sysnetwork.te',`

	ifdef(`distro_redhat',`

		sysnet_rw_dhcp_config(initrc_t)

	')

	sysnet_read_dhcpc_state(initrc_t)

')

optional_policy(`zebra.te',`

	zebra_read_config(initrc_t)

')

ifdef(`TODO',`

# Set device ownerships/modes.

allow initrc_t xconsole_device_t:fifo_file setattr;

# during boot up initrc needs to do the following

allow initrc_t default_t:dir write;

ifdef(`distro_redhat', `

	# readahead asks for these

	allow initrc_t var_lib_nfs_t:file r_file_perms;

	allow initrc_t file_type:{ dir_file_class_set socket_class_set } getattr;

	allow initrc_t device_t:dir create;

	# wants to delete /poweroff and other files 

	allow initrc_t root_t:file unlink;

	ifdef(`xserver.te', `

	# wants to cleanup xserver log dir

	allow initrc_t xserver_log_t:dir rw_dir_perms;

	allow initrc_t xserver_log_t:file unlink;

	')

	optional_policy(`rpm.te',`

		rpm_stub(initrc_t)

		#read ahead wants to read this

		allow initrc_t system_cron_spool_t:file { getattr read };

	')

')

') dnl end TODO