policy_module(dhcp, 1.6.0)

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

#

# Declarations

#

type dhcpd_t;

type dhcpd_exec_t;

init_daemon_domain(dhcpd_t, dhcpd_exec_t)

type dhcpd_state_t;

files_type(dhcpd_state_t)

type dhcpd_tmp_t;

files_tmp_file(dhcpd_tmp_t)

type dhcpd_var_run_t;

files_pid_file(dhcpd_var_run_t)

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

#

# Local policy

#

allow dhcpd_t self:capability net_raw;

dontaudit dhcpd_t self:capability { net_admin sys_tty_config };

allow dhcpd_t self:process signal_perms;

allow dhcpd_t self:fifo_file { read write getattr };

allow dhcpd_t self:unix_dgram_socket create_socket_perms;

allow dhcpd_t self:unix_stream_socket create_socket_perms;

allow dhcpd_t self:netlink_route_socket r_netlink_socket_perms;

allow dhcpd_t self:tcp_socket create_stream_socket_perms;

allow dhcpd_t self:udp_socket create_socket_perms;

# Allow dhcpd_t to use packet sockets

allow dhcpd_t self:packet_socket create_socket_perms;

allow dhcpd_t self:rawip_socket create_socket_perms;

can_exec(dhcpd_t, dhcpd_exec_t)

manage_files_pattern(dhcpd_t, dhcpd_state_t, dhcpd_state_t)

sysnet_dhcp_state_filetrans(dhcpd_t, dhcpd_state_t, file)

manage_dirs_pattern(dhcpd_t, dhcpd_tmp_t, dhcpd_tmp_t)

manage_files_pattern(dhcpd_t, dhcpd_tmp_t, dhcpd_tmp_t)

files_tmp_filetrans(dhcpd_t, dhcpd_tmp_t, { file dir })

manage_files_pattern(dhcpd_t, dhcpd_var_run_t, dhcpd_var_run_t)

files_pid_filetrans(dhcpd_t, dhcpd_var_run_t, file)

kernel_read_system_state(dhcpd_t)

kernel_read_kernel_sysctls(dhcpd_t)

corenet_all_recvfrom_unlabeled(dhcpd_t)

corenet_all_recvfrom_netlabel(dhcpd_t)

corenet_tcp_sendrecv_all_if(dhcpd_t)

corenet_udp_sendrecv_all_if(dhcpd_t)

corenet_raw_sendrecv_all_if(dhcpd_t)

corenet_tcp_sendrecv_all_nodes(dhcpd_t)

corenet_udp_sendrecv_all_nodes(dhcpd_t)

corenet_raw_sendrecv_all_nodes(dhcpd_t)

corenet_tcp_sendrecv_all_ports(dhcpd_t)

corenet_udp_sendrecv_all_ports(dhcpd_t)

corenet_tcp_bind_all_nodes(dhcpd_t)

corenet_udp_bind_all_nodes(dhcpd_t)

corenet_tcp_bind_dhcpd_port(dhcpd_t)

corenet_udp_bind_dhcpd_port(dhcpd_t)

corenet_udp_bind_pxe_port(dhcpd_t)

corenet_tcp_connect_all_ports(dhcpd_t)

corenet_sendrecv_dhcpd_server_packets(dhcpd_t)

corenet_sendrecv_pxe_server_packets(dhcpd_t)

corenet_sendrecv_all_client_packets(dhcpd_t)

dev_read_sysfs(dhcpd_t)

dev_read_rand(dhcpd_t)

dev_read_urand(dhcpd_t)

fs_getattr_all_fs(dhcpd_t)

fs_search_auto_mountpoints(dhcpd_t)

corecmd_exec_bin(dhcpd_t)

domain_use_interactive_fds(dhcpd_t)

files_read_etc_files(dhcpd_t)

files_read_usr_files(dhcpd_t)

files_read_etc_runtime_files(dhcpd_t)

files_search_var_lib(dhcpd_t)

libs_use_ld_so(dhcpd_t)

libs_use_shared_libs(dhcpd_t)

logging_send_syslog_msg(dhcpd_t)

miscfiles_read_localization(dhcpd_t)

sysnet_read_config(dhcpd_t)

sysnet_read_dhcp_config(dhcpd_t)

userdom_dontaudit_use_unpriv_user_fds(dhcpd_t)

sysadm_dontaudit_search_home_dirs(dhcpd_t)

ifdef(`distro_gentoo',`

	allow dhcpd_t self:capability { chown dac_override setgid setuid sys_chroot };

')

optional_policy(`

	# used for dynamic DNS

	bind_read_dnssec_keys(dhcpd_t)

')

optional_policy(`

	dbus_system_bus_client_template(dhcpd, dhcpd_t)

	dbus_connect_system_bus(dhcpd_t)

')

optional_policy(`

	nis_use_ypbind(dhcpd_t)

')

optional_policy(`

	nscd_socket_use(dhcpd_t)

')

optional_policy(`

	seutil_sigchld_newrole(dhcpd_t)

')

optional_policy(`

	udev_read_db(dhcpd_t)

')