policy_module(tor, 1.8.0)

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

#

# Declarations

#

## <desc>

## 

## Allow tor daemon to bind

## tcp sockets to all unreserved ports.

## 

## </desc>

gen_tunable(tor_bind_all_unreserved_ports, false)

type tor_t;

type tor_exec_t;

init_daemon_domain(tor_t, tor_exec_t)

# etc/tor

type tor_etc_t;

files_config_file(tor_etc_t)

type tor_initrc_exec_t;

init_script_file(tor_initrc_exec_t)

# var/lib/tor

type tor_var_lib_t;

files_type(tor_var_lib_t)

# log files

type tor_var_log_t;

logging_log_file(tor_var_log_t)

# pid files

type tor_var_run_t;

files_pid_file(tor_var_run_t)

type tor_unit_file_t;

systemd_unit_file(tor_unit_file_t)

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

#

# tor local policy

#

allow tor_t self:capability { setgid setuid sys_tty_config };

allow tor_t self:process signal;

allow tor_t self:fifo_file rw_fifo_file_perms;

allow tor_t self:unix_stream_socket create_stream_socket_perms;

allow tor_t self:netlink_route_socket r_netlink_socket_perms;

allow tor_t self:tcp_socket create_stream_socket_perms;

# configuration files

allow tor_t tor_etc_t:dir list_dir_perms;

read_files_pattern(tor_t, tor_etc_t, tor_etc_t)

read_lnk_files_pattern(tor_t, tor_etc_t, tor_etc_t)

# var/lib/tor files

manage_dirs_pattern(tor_t, tor_var_lib_t, tor_var_lib_t)

manage_files_pattern(tor_t, tor_var_lib_t, tor_var_lib_t)

manage_sock_files_pattern(tor_t, tor_var_lib_t, tor_var_lib_t)

files_usr_filetrans(tor_t, tor_var_lib_t, file)

files_var_filetrans(tor_t, tor_var_lib_t, { file dir sock_file })

files_var_lib_filetrans(tor_t, tor_var_lib_t, file)

# log files

allow tor_t tor_var_log_t:dir setattr;

manage_files_pattern(tor_t, tor_var_log_t, tor_var_log_t)

manage_sock_files_pattern(tor_t, tor_var_log_t, tor_var_log_t)

logging_log_filetrans(tor_t, tor_var_log_t, { sock_file file dir })

# pid file

manage_dirs_pattern(tor_t, tor_var_run_t, tor_var_run_t)

manage_files_pattern(tor_t, tor_var_run_t, tor_var_run_t)

manage_sock_files_pattern(tor_t, tor_var_run_t, tor_var_run_t)

files_pid_filetrans(tor_t, tor_var_run_t, { dir file sock_file })

kernel_read_system_state(tor_t)

kernel_read_net_sysctls(tor_t)

# networking basics

corenet_all_recvfrom_netlabel(tor_t)

corenet_tcp_sendrecv_generic_if(tor_t)

corenet_udp_sendrecv_generic_if(tor_t)

corenet_tcp_sendrecv_generic_node(tor_t)

corenet_udp_sendrecv_generic_node(tor_t)

corenet_tcp_sendrecv_all_ports(tor_t)

corenet_udp_sendrecv_dns_port(tor_t)

corenet_tcp_sendrecv_all_reserved_ports(tor_t)

corenet_tcp_bind_generic_node(tor_t)

corenet_udp_bind_generic_node(tor_t)

corenet_tcp_bind_tor_port(tor_t)

corenet_tcp_bind_tor_socks_port(tor_t)

corenet_udp_bind_dns_port(tor_t)

corenet_sendrecv_tor_server_packets(tor_t)

corenet_sendrecv_dns_server_packets(tor_t)

# TOR will need to connect to various ports

corenet_tcp_connect_all_ports(tor_t)

corenet_sendrecv_all_client_packets(tor_t)

# ... especially including port 80 and other privileged ports

corenet_tcp_connect_all_reserved_ports(tor_t)

corenet_udp_bind_dns_port(tor_t)

# tor uses crypto and needs random

dev_read_urand(tor_t)

dev_read_sysfs(tor_t)

domain_use_interactive_fds(tor_t)

files_read_etc_runtime_files(tor_t)

files_read_usr_files(tor_t)

auth_use_nsswitch(tor_t)

logging_send_syslog_msg(tor_t)

tunable_policy(`tor_bind_all_unreserved_ports', `

	corenet_tcp_bind_all_unreserved_ports(tor_t)

')

optional_policy(`

	seutil_sigchld_newrole(tor_t)

')