policy_module(openvpn, 1.10.0)

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

## <desc>
## <p>
## Allow openvpn to read home directories
## </p>
## </desc>
gen_tunable(openvpn_enable_homedirs, false)

# main openvpn domain
type openvpn_t;
type openvpn_exec_t;
init_daemon_domain(openvpn_t, openvpn_exec_t)

# configuration files
type openvpn_etc_t;
files_config_file(openvpn_etc_t)

type openvpn_etc_rw_t;
files_config_file(openvpn_etc_rw_t)

type openvpn_tmp_t;
files_tmp_file(openvpn_tmp_t)

type openvpn_initrc_exec_t;
init_script_file(openvpn_initrc_exec_t)

# log files
type openvpn_var_log_t;
logging_log_file(openvpn_var_log_t)

# pid files
type openvpn_var_run_t;
files_pid_file(openvpn_var_run_t)

########################################
#
# openvpn 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 };
allow openvpn_t self:process { signal getsched };
allow openvpn_t self:fifo_file rw_fifo_file_perms;

allow openvpn_t self:unix_dgram_socket { create_socket_perms sendto };
allow openvpn_t self:unix_stream_socket { create_stream_socket_perms connectto };
allow openvpn_t self:udp_socket create_socket_perms;
allow openvpn_t self:tcp_socket server_stream_socket_perms;
allow openvpn_t self:tun_socket create;
allow openvpn_t self:netlink_route_socket rw_netlink_socket_perms;

can_exec(openvpn_t, openvpn_etc_t)
read_files_pattern(openvpn_t, openvpn_etc_t, openvpn_etc_t)
read_lnk_files_pattern(openvpn_t, openvpn_etc_t, openvpn_etc_t)

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

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

allow openvpn_t openvpn_var_log_t:file manage_file_perms;
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)
files_pid_filetrans(openvpn_t, openvpn_var_run_t, { file dir })

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_unlabeled(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_sendrecv_all_ports(openvpn_t)
corenet_udp_sendrecv_all_ports(openvpn_t)
corenet_tcp_bind_generic_node(openvpn_t)
corenet_udp_bind_generic_node(openvpn_t)
corenet_tcp_bind_openvpn_port(openvpn_t)
corenet_udp_bind_openvpn_port(openvpn_t)
corenet_tcp_bind_http_port(openvpn_t)
corenet_tcp_connect_openvpn_port(openvpn_t)
corenet_tcp_connect_http_port(openvpn_t)
corenet_tcp_connect_http_cache_port(openvpn_t)
corenet_rw_tun_tap_dev(openvpn_t)
corenet_sendrecv_openvpn_server_packets(openvpn_t)
corenet_sendrecv_openvpn_client_packets(openvpn_t)
corenet_sendrecv_http_client_packets(openvpn_t)

dev_search_sysfs(openvpn_t)
dev_read_rand(openvpn_t)
dev_read_urand(openvpn_t)

files_read_etc_files(openvpn_t)
files_read_etc_runtime_files(openvpn_t)

auth_use_pam(openvpn_t)

logging_send_syslog_msg(openvpn_t)

miscfiles_read_localization(openvpn_t)
miscfiles_read_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)

userdom_use_user_terminals(openvpn_t)
userdom_read_home_certs(openvpn_t)
userdom_attach_admin_tun_iface(openvpn_t)

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

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

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

optional_policy(`
	daemontools_service_domain(openvpn_t, openvpn_exec_t)
')

optional_policy(`
	dbus_system_bus_client(openvpn_t)
	dbus_connect_system_bus(openvpn_t)

	networkmanager_dbus_chat(openvpn_t)
')

optional_policy(`
	unconfined_attach_tun_iface(openvpn_t)
')