policy_module(userdomain,1.0)

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

#

# Declarations

#

# admin users terminals (tty and pty)

attribute admin_terminal;

# users home directory

attribute home_dir_type;

# users home directory contents

attribute home_type;

# The privhome attribute identifies every domain that can create files under

# regular user home directories in the regular context (IE act on behalf of

# a user in writing regular files)

attribute privhome;

# all unprivileged users tmp files

attribute user_tmpfile;

# all unprivileged users ttys

attribute user_ttynode;

# all user domains

attribute userdomain;

# unprivileged user domains

attribute unpriv_userdomain;

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

#

# Local policy

#

define(`role_change',`

	allow $1_r $2_r;

	type_change $2_t $1_devpts_t:chr_file $2_devpts_t;

	type_change $2_t $1_tty_device_t:chr_file $2_tty_device_t;

	# avoid annoying messages on terminal hangup

	dontaudit $1_t { $2_devpts_t $2_tty_device_t }:chr_file ioctl;

')

ifdef(`targeted_policy',`

	# User home directory type.

	type user_home_t alias { staff_home_t sysadm_home_t }, home_type;

	files_type(user_home_t)

	type user_home_dir_t alias { staff_home_dir_t sysadm_home_dir_t }, home_dir_type;

	files_type(user_home_dir_t)

	unconfined_role(user_r)

	unconfined_role(sysadm_r)

	# dont need to use the full role_change()

	allow sysadm_r system_r;

	allow user_r system_r;

	allow user_r sysadm_r;

	allow system_r sysadm_r;

	allow system_r sysadm_r;

	ifdef(`TODO',`

	allow privhome home_root_t:dir { getattr search };

	file_type_auto_trans(privhome, user_home_dir_t, user_home_t)

	')

',`

	admin_user_template(sysadm)

	unpriv_user_template(staff)

	unpriv_user_template(user)

	# user role change rules:

	# sysadm_r can change to user roles

	role_change(sysadm, user)

	role_change(sysadm, staff)

	# only staff_r can change to sysadm_r

	role_change(staff, sysadm)

	# this should be tunable_policy, but

	# currently type_change and RBAC allow

	# do not work in conditionals

	ifdef(`user_canbe_sysadm',`

		role_change(user,sysadm)

	')

	ifdef(`TODO',`

	allow privhome home_root_t:dir { getattr search };

	')

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

	#

	# Sysadm local policy

	#

	# for su

	allow sysadm_t userdomain:fd use;

	# Add/remove user home directories

	allow sysadm_t user_home_dir_t:dir create_dir_perms;

	files_create_home_dirs(sysadm_t,user_home_dir_t)

	ifdef(`direct_sysadm_daemon',`

		optional_policy(`init.te',`

			init_run_daemon(sysadm_t,sysadm_r,admin_terminal)

		')

	')

	optional_policy(`bootloader.te',`

		bootloader_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`clock.te',`

		clock_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`fstools.te',`

		fstools_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`hostname.te',`

		hostname_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`ipsec.te',`

		# allow system administrator to use the ipsec script to look

		# at things (e.g., ipsec auto --status)

		# probably should create an ipsec_admin role for this kind of thing

		ipsec_exec_mgmt(sysadm_t)

		ipsec_connectto_unix_stream_socket(sysadm_t)

		# for lsof

		ipsec_getattr_key_socket(sysadm_t)

	')

	optional_policy(`iptables.te',`

		iptables_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`libraries.te',`

		libs_run_ldconfig(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`lvm.te',`

		lvm_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`modutils.te',`

		modutils_run_depmod(sysadm_t,sysadm_r,admin_terminal)

		modutils_run_insmod(sysadm_t,sysadm_r,admin_terminal)

		modutils_run_update_mods(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`logrotate.te',`

		logrotate_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`mount.te',`

		mount_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`netutils.te',`

		netutils_run(sysadm_t,sysadm_r,admin_terminal)

		netutils_run_ping(sysadm_t,sysadm_r,admin_terminal)

		netutils_run_traceroute(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`pcmcia.te',`

		pcmcia_run_cardctl(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`rpm.te',`

		rpm_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`selinuxutil.te',`

		seutil_run_checkpol(sysadm_t,sysadm_r,admin_terminal)

		seutil_run_loadpol(sysadm_t,sysadm_r,admin_terminal)

		seutil_run_restorecon(sysadm_t,sysadm_r,admin_terminal)

		seutil_run_setfiles(sysadm_t,sysadm_r,admin_terminal)

		optional_policy(`targeted_policy',`',`

			seutil_run_runinit(sysadm_t,sysadm_r,admin_terminal)

		')

	')

	optional_policy(`sysnetwork.te',`

		sysnet_run_ifconfig(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`unconfined.te',`

		unconfined_domtrans(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`usermanage.te',`

		usermanage_run_groupadd(sysadm_t,sysadm_r,admin_terminal)

		usermanage_run_useradd(sysadm_t,sysadm_r,admin_terminal)

	')

')