policy_module(openvpn, 1.12.2)

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

## <desc>
## <p>
## Allow openvpn to run unconfined scripts
## </p>
## </desc>
gen_tunable(openvpn_run_unconfined, false)

## <desc>
##	<p>
##	Determine whether openvpn can
##	read generic user home content files.
##	</p>
## </desc>
gen_tunable(openvpn_enable_homedirs, false)

## <desc>
##	<p>
##	Determine whether openvpn can
##	connect to the TCP network.
##	</p>
## </desc>
gen_tunable(openvpn_can_network_connect, true)

attribute_role openvpn_roles;

type openvpn_t;
type openvpn_exec_t;
init_daemon_domain(openvpn_t, openvpn_exec_t)
role openvpn_roles types openvpn_t;

type openvpn_etc_t;
files_config_file(openvpn_etc_t)

type openvpn_etc_rw_t;
files_config_file(openvpn_etc_rw_t)

type openvpn_initrc_exec_t;
init_script_file(openvpn_initrc_exec_t)

type openvpn_status_t;
logging_log_file(openvpn_status_t)

type openvpn_var_lib_t;
files_type(openvpn_var_lib_t)

type openvpn_tmp_t;
files_tmp_file(openvpn_tmp_t)

type openvpn_var_log_t;
logging_log_file(openvpn_var_log_t)

type openvpn_var_run_t;
files_pid_file(openvpn_var_run_t)

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

allow openvpn_t self:capability { dac_read_search dac_override ipc_lock net_bind_service net_admin setgid setuid sys_chroot sys_tty_config sys_nice };
allow openvpn_t self:process { signal getsched setcap setsched };
allow openvpn_t self:fifo_file rw_fifo_file_perms;
allow openvpn_t self:unix_dgram_socket sendto;
allow openvpn_t self:unix_stream_socket { accept connectto listen };
allow openvpn_t self:tcp_socket server_stream_socket_perms;
allow openvpn_t self:tun_socket { create_socket_perms relabelfrom relabelto };
allow openvpn_t self:netlink_route_socket nlmsg_write;

dontaudit openvpn_t self:capability2  block_suspend ;

allow openvpn_t openvpn_etc_t:dir list_dir_perms;
allow openvpn_t openvpn_etc_t:file read_file_perms;
allow openvpn_t openvpn_etc_t:lnk_file read_lnk_file_perms;

manage_files_pattern(openvpn_t, openvpn_etc_t, openvpn_etc_rw_t)
filetrans_pattern(openvpn_t, openvpn_etc_t, openvpn_etc_rw_t, file)

allow openvpn_t openvpn_status_t:file manage_file_perms;
logging_log_filetrans(openvpn_t, openvpn_status_t, file, "openvpn-status.log")

manage_files_pattern(openvpn_t, openvpn_tmp_t, openvpn_tmp_t)
files_tmp_filetrans(openvpn_t, openvpn_tmp_t, file)

manage_files_pattern(openvpn_t, openvpn_var_lib_t, openvpn_var_lib_t)
manage_dirs_pattern(openvpn_t, openvpn_var_lib_t, openvpn_var_lib_t)
files_var_lib_filetrans(openvpn_t, openvpn_var_lib_t, { dir file })

allow openvpn_t openvpn_tmp_t:file manage_file_perms;
files_tmp_filetrans(openvpn_t, openvpn_tmp_t, file)

manage_dirs_pattern(openvpn_t, openvpn_var_log_t, openvpn_var_log_t)
manage_files_pattern(openvpn_t, openvpn_var_log_t, openvpn_var_log_t)
logging_log_filetrans(openvpn_t, openvpn_var_log_t, file)

manage_dirs_pattern(openvpn_t, openvpn_var_run_t, openvpn_var_run_t)
manage_files_pattern(openvpn_t, openvpn_var_run_t, openvpn_var_run_t)
manage_sock_files_pattern(openvpn_t, openvpn_var_run_t, openvpn_var_run_t)
files_pid_filetrans(openvpn_t, openvpn_var_run_t, { sock_file file dir })

can_exec(openvpn_t, openvpn_etc_t)

kernel_read_kernel_sysctls(openvpn_t)
kernel_read_net_sysctls(openvpn_t)
kernel_read_network_state(openvpn_t)
kernel_read_system_state(openvpn_t)
kernel_request_load_module(openvpn_t)

corecmd_exec_bin(openvpn_t)
corecmd_exec_shell(openvpn_t)

corenet_all_recvfrom_netlabel(openvpn_t)
corenet_tcp_sendrecv_generic_if(openvpn_t)
corenet_udp_sendrecv_generic_if(openvpn_t)
corenet_tcp_sendrecv_generic_node(openvpn_t)
corenet_udp_sendrecv_generic_node(openvpn_t)
corenet_tcp_bind_generic_node(openvpn_t)
corenet_udp_bind_generic_node(openvpn_t)

corenet_sendrecv_openvpn_server_packets(openvpn_t)
corenet_tcp_bind_openvpn_port(openvpn_t)
corenet_udp_bind_openvpn_port(openvpn_t)
corenet_sendrecv_openvpn_client_packets(openvpn_t)
corenet_tcp_connect_openvpn_port(openvpn_t)
corenet_tcp_sendrecv_openvpn_port(openvpn_t)
corenet_udp_sendrecv_openvpn_port(openvpn_t)

corenet_sendrecv_http_server_packets(openvpn_t)
corenet_tcp_bind_http_port(openvpn_t)
corenet_sendrecv_http_client_packets(openvpn_t)
corenet_tcp_connect_squid_port(openvpn_t)
corenet_tcp_connect_http_port(openvpn_t)
corenet_tcp_sendrecv_http_port(openvpn_t)
corenet_sendrecv_http_cache_client_packets(openvpn_t)
corenet_tcp_connect_http_cache_port(openvpn_t)
corenet_tcp_sendrecv_http_cache_port(openvpn_t)

corenet_tcp_connect_tor_port(openvpn_t)

corenet_rw_tun_tap_dev(openvpn_t)

dev_read_rand(openvpn_t)

files_read_etc_runtime_files(openvpn_t)

fs_getattr_all_fs(openvpn_t)
fs_search_auto_mountpoints(openvpn_t)
fs_list_cgroup_dirs(openvpn_t)

auth_use_pam(openvpn_t)

init_read_state(openvpn_t)

logging_send_syslog_msg(openvpn_t)

miscfiles_read_all_certs(openvpn_t)

sysnet_dns_name_resolve(openvpn_t)
sysnet_exec_ifconfig(openvpn_t)
sysnet_manage_config(openvpn_t)
sysnet_etc_filetrans_config(openvpn_t)
sysnet_use_ldap(openvpn_t)

systemd_passwd_agent_domtrans(openvpn_t)
systemd_manage_passwd_run(openvpn_t)

userdom_use_inherited_user_terminals(openvpn_t)
userdom_read_home_certs(openvpn_t)
userdom_attach_admin_tun_iface(openvpn_t)
userdom_read_inherited_user_tmp_files(openvpn_t)
userdom_read_inherited_user_home_content_files(openvpn_t)

tunable_policy(`openvpn_enable_homedirs',`
	userdom_search_user_home_dirs(openvpn_t)
')

tunable_policy(`openvpn_enable_homedirs && use_nfs_home_dirs',`
	fs_read_nfs_files(openvpn_t)
')

tunable_policy(`openvpn_enable_homedirs && use_samba_home_dirs',`
	fs_read_cifs_files(openvpn_t)
')

tunable_policy(`openvpn_can_network_connect',`
	corenet_sendrecv_all_client_packets(openvpn_t)
	corenet_tcp_connect_all_ports(openvpn_t)
	corenet_tcp_sendrecv_all_ports(openvpn_t)
')

optional_policy(`
	brctl_domtrans(openvpn_t)
')

optional_policy(`
	daemontools_service_domain(openvpn_t, openvpn_exec_t)
')

optional_policy(`
    networkmanager_stream_connect(openvpn_t)
    networkmanager_manage_pid_files(openvpn_t)
    networkmanager_manage_pid_sock_files(openvpn_t)
    networkmanager_attach_tun_iface(openvpn_t)
')

optional_policy(`
	dbus_system_bus_client(openvpn_t)
	dbus_connect_system_bus(openvpn_t)

	optional_policy(`
		networkmanager_dbus_chat(openvpn_t)
	')
')

optional_policy(`
    vpnc_manage_pid(openvpn_t)
')

optional_policy(`
	unconfined_attach_tun_iface(openvpn_t)
')

tunable_policy(`use_ecryptfs_home_dirs',`
	fs_manage_ecryptfs_files(openvpn_t)
')

type openvpn_unconfined_script_t;
type openvpn_unconfined_script_exec_t;
domain_type(openvpn_unconfined_script_t)
domain_entry_file(openvpn_unconfined_script_t, openvpn_unconfined_script_exec_t)
corecmd_shell_entry_type(openvpn_unconfined_script_t)
role system_r types openvpn_unconfined_script_t;

allow openvpn_t openvpn_unconfined_script_exec_t:dir search_dir_perms;
allow openvpn_t openvpn_unconfined_script_exec_t:file ioctl;

optional_policy(`
	unconfined_domain(openvpn_unconfined_script_t)
')

tunable_policy(`openvpn_run_unconfined',`
		domtrans_pattern(openvpn_t, openvpn_unconfined_script_exec_t, openvpn_unconfined_script_t)
',`
	can_exec(openvpn_t, openvpn_unconfined_script_exec_t)
')