selinux-policy/policy/modules/apps/uml.if

## <summary>Policy for UML</summary>

#######################################
## <summary>
##	The per role template for the uml module.
## </summary>
## <desc>
##	<p>
##	This template creates a derived domains which are used
##	for uml program.
##	</p>
##	<p>
##	This template is invoked automatically for each user, and
##	generally does not need to be invoked directly
##	by policy writers.
##	</p>
## </desc>
## <param name="userdomain_prefix">
##	<summary>
##	The prefix of the user domain (e.g., user
##	is the prefix for user_t).
##	</summary>
## </param>
## <param name="user_domain">
##	<summary>
##	The type of the user domain.
##	</summary>
## </param>
## <param name="user_role">
##	<summary>
##	The role associated with the user domain.
##	</summary>
## </param>
#
template(`uml_per_role_template',`
	gen_require(`
		type uml_ro_t, uml_exec_t;
	')

	########################################
	#
	# Declarations
	#

	type $1_uml_t;
	type $1_uml_exec_t;
	application_domain($1_uml_t, $1_uml_exec_t)
	role $3 types $1_uml_t;

	type $1_uml_ro_t;
	files_type($1_uml_ro_t)

	type $1_uml_rw_t;
	files_type($1_uml_rw_t)

	type $1_uml_tmp_t;
	files_tmp_file($1_uml_tmp_t)

	type $1_uml_tmpfs_t;
	files_tmpfs_file($1_uml_tmpfs_t)

	type $1_uml_devpts_t;
	term_pty($1_uml_devpts_t)

	########################################
	#
	# Local policy
	#

	allow $1_uml_t self:fifo_file rw_fifo_file_perms;
	allow $1_uml_t self:process { signal_perms ptrace };
	allow $1_uml_t self:unix_stream_socket create_stream_socket_perms;
	allow $1_uml_t self:unix_dgram_socket create_socket_perms;
	# Use the network.
	allow $1_uml_t self:tcp_socket create_stream_socket_perms;
	allow $1_uml_t self:udp_socket create_socket_perms;

	allow $1_uml_t $2:process sigchld;
	allow $1_uml_t $2:fifo_file { ioctl read write getattr lock append };

	# allow the UML thing to happen
	allow $1_uml_t $1_uml_devpts_t:chr_file { rw_chr_file_perms setattr };
	term_create_pty($1_uml_t,$1_uml_devpts_t)

	manage_dirs_pattern($1_uml_t, $1_uml_tmp_t, $1_uml_tmp_t)
	manage_files_pattern($1_uml_t, $1_uml_tmp_t, $1_uml_tmp_t)
	files_tmp_filetrans($1_uml_t, $1_uml_tmp_t, { file dir })
	can_exec($1_uml_t, $1_uml_tmp_t)

	manage_files_pattern($1_uml_t, $1_uml_tmpfs_t, $1_uml_tmpfs_t)
	manage_lnk_files_pattern($1_uml_t, $1_uml_tmpfs_t, $1_uml_tmpfs_t)
	manage_fifo_files_pattern($1_uml_t, $1_uml_tmpfs_t, $1_uml_tmpfs_t)
	manage_sock_files_pattern($1_uml_t, $1_uml_tmpfs_t, $1_uml_tmpfs_t)
	fs_tmpfs_filetrans($1_uml_t, $1_uml_tmpfs_t, { file lnk_file sock_file fifo_file })
	can_exec($1_uml_t, $1_uml_tmpfs_t)

	# access config files
	allow $1_uml_t { $1_uml_ro_t uml_ro_t }:dir list_dir_perms;
	read_files_pattern($1_uml_t, { $1_uml_ro_t uml_ro_t }, { $1_uml_ro_t uml_ro_t })
	read_lnk_files_pattern($1_uml_t, { $1_uml_ro_t uml_ro_t }, { $1_uml_ro_t uml_ro_t })

	manage_dirs_pattern($1_uml_t, $1_uml_rw_t, $1_uml_rw_t)
	manage_files_pattern($1_uml_t, $1_uml_rw_t, $1_uml_rw_t)
	manage_lnk_files_pattern($1_uml_t, $1_uml_rw_t, $1_uml_rw_t)
	manage_fifo_files_pattern($1_uml_t, $1_uml_rw_t, $1_uml_rw_t)
	manage_sock_files_pattern($1_uml_t, $1_uml_rw_t, $1_uml_rw_t)
	userdom_user_home_dir_filetrans($1, $1_uml_t, $1_uml_rw_t, { file lnk_file sock_file fifo_file })

	allow $2 uml_ro_t:dir list_dir_perms;
	read_files_pattern($2,uml_ro_t, uml_ro_t)
	read_lnk_files_pattern($2,uml_ro_t, uml_ro_t)

	manage_dirs_pattern($2, { $1_uml_ro_t $1_uml_rw_t }, { $1_uml_ro_t $1_uml_rw_t })
	manage_files_pattern($2, { $1_uml_ro_t $1_uml_rw_t }, { $1_uml_ro_t $1_uml_rw_t })
	manage_lnk_files_pattern($2, { $1_uml_ro_t $1_uml_rw_t }, { $1_uml_ro_t $1_uml_rw_t })
	manage_fifo_files_pattern($2, { $1_uml_ro_t $1_uml_rw_t }, { $1_uml_ro_t $1_uml_rw_t })
	manage_sock_files_pattern($2, { $1_uml_ro_t $1_uml_rw_t }, { $1_uml_ro_t $1_uml_rw_t })
	relabel_dirs_pattern($2, { $1_uml_ro_t $1_uml_rw_t }, { $1_uml_ro_t $1_uml_rw_t })
	relabel_files_pattern($2, { $1_uml_ro_t $1_uml_rw_t }, { $1_uml_ro_t $1_uml_rw_t })
	relabel_lnk_files_pattern($2, { $1_uml_ro_t $1_uml_rw_t }, { $1_uml_ro_t $1_uml_rw_t })
	relabel_fifo_files_pattern($2, { $1_uml_ro_t $1_uml_rw_t }, { $1_uml_ro_t $1_uml_rw_t })
	relabel_sock_files_pattern($2, { $1_uml_ro_t $1_uml_rw_t }, { $1_uml_ro_t $1_uml_rw_t })

	manage_dirs_pattern($2, { $1_uml_ro_t $1_uml_rw_t $1_uml_exec_t }, { $1_uml_ro_t $1_uml_rw_t $1_uml_exec_t })
	manage_files_pattern($2, { $1_uml_ro_t $1_uml_rw_t $1_uml_exec_t }, { $1_uml_ro_t $1_uml_rw_t $1_uml_exec_t })
	relabel_dirs_pattern($2, { $1_uml_ro_t $1_uml_rw_t $1_uml_exec_t }, { $1_uml_ro_t $1_uml_rw_t $1_uml_exec_t })
	relabel_files_pattern($2, { $1_uml_ro_t $1_uml_rw_t $1_uml_exec_t }, { $1_uml_ro_t $1_uml_rw_t $1_uml_exec_t })

	# allow ps, ptrace, signal
	ps_process_pattern($2,$1_uml_t)
	allow $2 $1_uml_t:process { ptrace signal_perms };

	manage_dirs_pattern($2, $1_uml_tmp_t, $1_uml_tmp_t)
	manage_files_pattern($2, $1_uml_tmp_t, $1_uml_tmp_t)
	manage_lnk_files_pattern($2, $1_uml_tmp_t, $1_uml_tmp_t)
	manage_sock_files_pattern($2, $1_uml_tmp_t, $1_uml_tmp_t)

	# Transition from the user domain to this domain.
	domain_auto_trans($2, { uml_exec_t $1_uml_exec_t }, $1_uml_t)
	can_exec($1_uml_t, { uml_exec_t $1_uml_exec_t })

	# for mconsole
	allow { $2 $1_uml_t } $1_uml_t:unix_dgram_socket sendto;
	allow $1_uml_t $2:unix_dgram_socket sendto;

	kernel_read_system_state($1_uml_t)
	# for SKAS - need something better
	kernel_write_proc_files($1_uml_t)

	# for xterm
	corecmd_exec_bin($1_uml_t)

	corenet_all_recvfrom_unlabeled($1_uml_t)
	corenet_all_recvfrom_netlabel($1_uml_t)
	corenet_tcp_sendrecv_generic_if($1_uml_t)
	corenet_udp_sendrecv_generic_if($1_uml_t)
	corenet_tcp_sendrecv_all_nodes($1_uml_t)
	corenet_udp_sendrecv_all_nodes($1_uml_t)
	corenet_tcp_sendrecv_all_ports($1_uml_t)
	corenet_udp_sendrecv_all_ports($1_uml_t)
	corenet_tcp_connect_all_ports($1_uml_t)
	corenet_sendrecv_all_client_packets($1_uml_t)
	corenet_rw_tun_tap_dev($1_uml_t)

	domain_use_interactive_fds($1_uml_t)

	# for xterm
	files_read_etc_files($1_uml_t)
	files_dontaudit_read_etc_runtime_files($1_uml_t)
	# putting uml data under /var is usual...
	files_search_var($1_uml_t)

	fs_getattr_xattr_fs($1_uml_t)

	init_read_utmp($1_uml_t)
	init_dontaudit_write_utmp($1_uml_t)

	# for xterm
	libs_exec_lib_files($1_uml_t)

	# Inherit and use descriptors from newrole.
	seutil_use_newrole_fds($1_uml_t)

	# Use the network.
	sysnet_read_config($1_uml_t)

	userdom_use_user_terminals($1, $1_uml_t)

	optional_policy(`
		nis_use_ypbind($1_uml_t)
	')
')

########################################
## <summary>
##	Set attributes on uml utility socket files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`uml_setattr_util_sockets',`
	gen_require(`
		type uml_switch_var_run_t;
	')

	allow $1 uml_switch_var_run_t:sock_file setattr;
')

########################################
## <summary>
##	Manage uml utility files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`uml_manage_util_files',`
	gen_require(`
		type uml_switch_var_run_t;
	')

	manage_files_pattern($1, uml_switch_var_run_t, uml_switch_var_run_t)
	manage_lnk_files_pattern($1, uml_switch_var_run_t, uml_switch_var_run_t)
')