policy_module(userdomain,1.3.3)

gen_require(`

	role sysadm_r, staff_r, user_r;

	ifdef(`enable_mls',`

		role secadm_r;

	')

')

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

#

# 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 home directories

attribute user_home_dir_type;

attribute user_home_type;

# all unprivileged users ptys

attribute user_ptynode;

# 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;

attribute untrusted_content_type;

attribute untrusted_content_tmp_type;

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

#

# 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',`

	# Define some type aliases to help with compatibility with

	# macros and domains from the "strict" policy.

	unconfined_alias_domain(secadm_t)

	unconfined_alias_domain(sysadm_t)

	# User home directory type.

	type user_home_t alias { staff_home_t sysadm_home_t }, home_type, user_home_type;

	files_type(user_home_t)

	files_associate_tmp(user_home_t)

	fs_associate_tmpfs(user_home_t)

	type user_home_dir_t alias { staff_home_dir_t sysadm_home_dir_t }, home_dir_type, home_type, user_home_dir_type;

	files_type(user_home_dir_t)

	files_associate_tmp(user_home_dir_t)

	fs_associate_tmpfs(user_home_dir_t)

	# compatibility for switching from strict

#	dominance { role secadm_r { role system_r; }}

#	dominance { role sysadm_r { role system_r; }}

#	dominance { role user_r { role system_r; }}

#	dominance { role staff_r { role system_r; }}

	# dont need to use the full role_change()

	allow sysadm_r system_r;

	allow sysadm_r user_r;

	allow user_r system_r;

	allow user_r sysadm_r;

	allow system_r sysadm_r;

	allow system_r sysadm_r;

	allow privhome user_home_t:dir manage_dir_perms;

	allow privhome user_home_t:file create_file_perms;

	allow privhome user_home_t:lnk_file create_lnk_perms;

	allow privhome user_home_t:fifo_file create_file_perms;

	allow privhome user_home_t:sock_file create_file_perms;

	allow privhome user_home_dir_t:dir rw_dir_perms;

	type_transition privhome user_home_dir_t:{ dir file lnk_file fifo_file sock_file } user_home_t;

	files_search_home(privhome)

	ifdef(`enable_mls',`

		allow secadm_r system_r;

		allow secadm_r user_r;

		allow user_r secadm_r;

		allow staff_r secadm_r;

	')

	optional_policy(`samba',`

		samba_per_userdomain_template(user)

	')

',`

	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)

	ifdef(`enable_mls',`

		admin_user_template(secadm)

		role_change(staff,secadm)

		role_change(sysadm,secadm)

	')

	# 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)

	')

	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_home_filetrans(sysadm_t,user_home_dir_t,dir)

	corecmd_exec_shell(sysadm_t)

	mls_process_read_up(sysadm_t)

	init_exec(sysadm_t)

	ifdef(`direct_sysadm_daemon',`

		optional_policy(`init',`

			init_run_daemon(sysadm_t,sysadm_r,admin_terminal)

		')

	',`

		ifdef(`distro_gentoo',`

			optional_policy(`selinuxutil',`

				seutil_init_script_run_runinit(sysadm_t,sysadm_r,admin_terminal)

			')

		')

	')

	ifdef(`enable_mls',`

		corecmd_exec_shell(secadm_t)

		mls_process_read_up(secadm_t)

		mls_file_write_down(secadm_t)

		mls_file_upgrade(secadm_t)

		mls_file_downgrade(secadm_t)

		logging_read_audit_log(secadm_t)

		logging_domtrans_auditctl(secadm_t)

		userdom_dontaudit_append_staff_home_content_files(secadm_t)

	', `

		logging_domtrans_auditctl(sysadm_t)

		logging_read_audit_log(sysadm_t)

	')

	tunable_policy(`allow_ptrace',`

		domain_ptrace_all_domains(sysadm_t)

	')

	optional_policy(`amanda',`

		amanda_run_recover(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`apache',`

		apache_run_helper(sysadm_t,sysadm_r,admin_terminal)

		#apache_run_all_scripts(sysadm_t,sysadm_r)

		#apache_domtrans_sys_script(sysadm_t)

	')

	optional_policy(`apm',`

		# cjp: why is this not apm_run_client

		apm_domtrans_client(sysadm_t)

	')

	optional_policy(`apt',`

		apt_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`bootloader',`

		bootloader_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`bind',`

		bind_run_ndc(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`bluetooth',`

		bluetooth_run_helper(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`clock',`

		clock_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`certwatch',`

		certwatach_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`consoletype',`

		consoletype_exec(sysadm_t)

		ifdef(`enable_mls',`

			consoletype_exec(secadm_t)

		')

	')

	optional_policy(`ddcprobe',`

		ddcprobe_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`dmesg',`

		dmesg_exec(sysadm_t)

		ifdef(`enable_mls',`

			dmesg_exec(secadm_t)

		')

	')

	optional_policy(`dmidecode',`

		dmidecode_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`dpkg',`

		dpkg_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`firstboot',`

		firstboot_run(sysadm_t,sysadm_r,sysadm_tty_device_t)

	')

	optional_policy(`fstools',`

		fstools_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`hostname',`

		hostname_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`ipsec',`

		# 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_stream_connect(sysadm_t)

		# for lsof

		ipsec_getattr_key_sockets(sysadm_t)

	')

	optional_policy(`iptables',`

		iptables_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`libraries',`

		libs_run_ldconfig(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`lvm',`

		lvm_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`logrotate',`

		logrotate_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`lpd',`

		lpd_run_checkpc(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`kudzu',`

		kudzu_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`modutils',`

		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(`mount',`

		mount_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`mysql',`

		mysql_stream_connect(sysadm_t)

	')

	optional_policy(`netutils',`

		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(`rpc',`

		rpc_domtrans_nfsd(sysadm_t)

	')

	optional_policy(`ntp',`

		ntp_stub()

		corenet_udp_bind_ntp_port(sysadm_t)

	')

	optional_policy(`pcmcia',`

		pcmcia_run_cardctl(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`portage',`

		portage_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`portmap',`

		portmap_run_helper(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`quota',`

		quota_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`radius',`

		radius_use(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`rpm',`

		rpm_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`samba',`

		samba_run_net(sysadm_t,sysadm_r,admin_terminal)

		samba_run_winbind_helper(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`selinuxutil',`

		seutil_run_restorecon(sysadm_t,sysadm_r,admin_terminal)

		seutil_run_runinit(sysadm_t,sysadm_r,admin_terminal)

		ifdef(`enable_mls',`

			selinux_set_enforce_mode(secadm_t)

			selinux_set_boolean(secadm_t)

			selinux_set_parameters(secadm_t)

			seutil_manage_bin_policy(secadm_t)

			seutil_run_checkpolicy(secadm_t,secadm_r,admin_terminal)

			seutil_run_loadpolicy(secadm_t,secadm_r,admin_terminal)

			seutil_run_semanage(secadm_t,secadm_r,admin_terminal)

			seutil_run_setfiles(secadm_t,secadm_r,admin_terminal)

			seutil_run_restorecon(secadm_t,secadm_r,admin_terminal)

		', `

			selinux_set_enforce_mode(sysadm_t)

			selinux_set_boolean(sysadm_t)

			selinux_set_parameters(sysadm_t)

			seutil_manage_bin_policy(sysadm_t)

			seutil_run_checkpolicy(sysadm_t,sysadm_r,admin_terminal)

			seutil_run_loadpolicy(sysadm_t,sysadm_r,admin_terminal)

			seutil_run_semanage(sysadm_t,sysadm_r,admin_terminal)

			seutil_run_setfiles(sysadm_t,sysadm_r,admin_terminal)

		')

	')

	optional_policy(`sysnetwork',`

		sysnet_run_ifconfig(sysadm_t,sysadm_r,admin_terminal)

		sysnet_run_dhcpc(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`unconfined',`

		unconfined_domtrans(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`usbmodules',`

		usbmodules_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`usermanage',`

		usermanage_run_admin_passwd(sysadm_t,sysadm_r,admin_terminal)

		usermanage_run_groupadd(sysadm_t,sysadm_r,admin_terminal)

		usermanage_run_useradd(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`vpn',`

		vpn_run(sysadm_t,sysadm_r,admin_terminal)

	')

	optional_policy(`webalizer',`

		webalizer_run(sysadm_t,sysadm_r,admin_terminal)

	')

')