policy_module(dhcp,1.1.0)

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

#

# 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)

allow dhcpd_t dhcpd_state_t:dir rw_dir_perms;

allow dhcpd_t dhcpd_state_t:file create_file_perms;

sysnet_create_dhcp_state(dhcpd_t,dhcpd_state_t)

allow dhcpd_t dhcpd_tmp_t:dir create_dir_perms;

allow dhcpd_t dhcpd_tmp_t:file create_file_perms;

files_create_tmp_files(dhcpd_t, dhcpd_tmp_t, { file dir })

allow dhcpd_t dhcpd_var_run_t:file create_file_perms;

allow dhcpd_t dhcpd_var_run_t:dir rw_dir_perms;

files_create_pid(dhcpd_t,dhcpd_var_run_t)

kernel_read_system_state(dhcpd_t)

kernel_read_kernel_sysctl(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_non_ipsec_sendrecv(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)

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)

term_dontaudit_use_console(dhcpd_t)

corecmd_exec_bin(dhcpd_t)

corecmd_exec_sbin(dhcpd_t)

domain_use_wide_inherit_fd(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)

init_use_fd(dhcpd_t)

init_use_script_pty(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_fd(dhcpd_t)

userdom_dontaudit_search_sysadm_home_dir(dhcpd_t)

ifdef(`distro_gentoo',`

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

')

ifdef(`targeted_policy',`

	term_dontaudit_use_unallocated_tty(dhcpd_t)

	term_dontaudit_use_generic_pty(dhcpd_t)

	files_dontaudit_read_root_file(dhcpd_t)

')

optional_policy(`bind',`

	# used for dynamic DNS

	bind_read_dnssec_keys(dhcpd_t)

')

optional_policy(`mount',`

	mount_send_nfs_client_request(dhcpd_t)

')

optional_policy(`nis',`

	nis_use_ypbind(dhcpd_t)

')

optional_policy(`nscd',`

	nscd_use_socket(dhcpd_t)

')

optional_policy(`selinuxutil',`

	seutil_sigchld_newrole(dhcpd_t)

')

optional_policy(`udev',`

	udev_read_db(dhcpd_t)

')