policy_module(netutils, 1.12.1)

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

## <desc>
## <p>
## Allow confined users the ability to execute the ping and traceroute commands.
## </p>
## </desc>
gen_tunable(selinuxuser_ping, false)

type netutils_t;
type netutils_exec_t;
init_system_domain(netutils_t, netutils_exec_t)

type netutils_tmp_t;
files_tmp_file(netutils_tmp_t)

type ping_t;
type ping_exec_t;
init_system_domain(ping_t, ping_exec_t)

type traceroute_t;
type traceroute_exec_t;
init_system_domain(traceroute_t, traceroute_exec_t)

########################################
#
# Netutils local policy
#

# Perform network administration operations and have raw access to the network.
allow netutils_t self:capability { chown dac_read_search net_admin net_raw setuid setgid sys_chroot  setpcap };
dontaudit netutils_t self:capability { sys_admin sys_tty_config };
allow netutils_t self:capability2 bpf;
allow netutils_t self:process { setcap signal_perms };
allow netutils_t self:netlink_generic_socket create_socket_perms;
allow netutils_t self:netlink_rdma_socket create_socket_perms;
allow netutils_t self:netlink_route_socket create_netlink_socket_perms;
allow netutils_t self:netlink_socket create_socket_perms;
# For tcpdump.
allow netutils_t self:netlink_netfilter_socket create_socket_perms;
allow netutils_t self:packet_socket { create_socket_perms map };
allow netutils_t self:udp_socket create_socket_perms;
allow netutils_t self:tcp_socket create_stream_socket_perms;
allow netutils_t self:socket create_socket_perms;
allow netutils_t self:netlink_socket create_socket_perms;

tunable_policy(`deny_bluetooth',`',`
    allow netutils_t self:bluetooth_socket create_stream_socket_perms;
')

manage_dirs_pattern(netutils_t, netutils_tmp_t, netutils_tmp_t)
manage_files_pattern(netutils_t, netutils_tmp_t, netutils_tmp_t)
files_tmp_filetrans(netutils_t, netutils_tmp_t, { file dir })

kernel_search_proc(netutils_t)
kernel_read_all_sysctls(netutils_t)
kernel_read_system_state(netutils_t)
kernel_read_network_state(netutils_t)
kernel_request_load_module(netutils_t)
kernel_search_network_sysctl(traceroute_t)

corenet_all_recvfrom_netlabel(netutils_t)
corenet_tcp_sendrecv_generic_if(netutils_t)
corenet_raw_sendrecv_generic_if(netutils_t)
corenet_udp_sendrecv_generic_if(netutils_t)
corenet_tcp_sendrecv_generic_node(netutils_t)
corenet_raw_sendrecv_generic_node(netutils_t)
corenet_udp_sendrecv_generic_node(netutils_t)
corenet_tcp_sendrecv_all_ports(netutils_t)
corenet_udp_sendrecv_all_ports(netutils_t)
corenet_tcp_connect_all_ports(netutils_t)
corenet_sendrecv_all_client_packets(netutils_t)
corenet_udp_bind_generic_node(netutils_t)

dev_read_sysfs(netutils_t)
dev_getattr_infiniband_dev(netutils_t)
dev_read_usbmon_dev(netutils_t)
dev_write_usbmon_dev(netutils_t)
dev_map_usbmon_dev(netutils_t)
dev_rw_generic_usb_dev(netutils_t)

domain_use_interactive_fds(netutils_t)

files_read_etc_files(netutils_t)
# for nscd
files_dontaudit_search_var(netutils_t)

fs_getattr_cgroup(netutils_t)
fs_getattr_xattr_fs(netutils_t)

init_use_fds(netutils_t)
init_use_script_ptys(netutils_t)
init_write_initrc_tmp_pipes(netutils_t)
init_dontaudit_read_state(netutils_t)

auth_use_nsswitch(netutils_t)

libs_use_ld_so(netutils_t)

logging_send_syslog_msg(netutils_t)

term_dontaudit_use_console(netutils_t)
userdom_use_inherited_user_terminals(netutils_t)
userdom_use_all_users_fds(netutils_t)

optional_policy(`
    kdump_dontaudit_inherited_kdumpctl_tmp_pipes(netutils_t)
')

optional_policy(`
	nis_use_ypbind(netutils_t)
')

optional_policy(`
	vmware_append_log(netutils_t)
')

optional_policy(`
	xen_append_log(netutils_t)
')

########################################
#
# Ping local policy
#

allow ping_t self:capability { setuid net_raw };
# When ping is installed with capabilities instead of setuid
allow ping_t self:process { getcap setcap };
dontaudit ping_t self:capability sys_tty_config;
allow ping_t self:tcp_socket create_socket_perms;
allow ping_t self:rawip_socket create_socket_perms;
allow ping_t self:packet_socket create_socket_perms;
allow ping_t self:netlink_route_socket create_netlink_socket_perms;
allow ping_t self:icmp_socket create_socket_perms;

corenet_all_recvfrom_netlabel(ping_t)
corenet_tcp_sendrecv_generic_if(ping_t)
corenet_raw_sendrecv_generic_if(ping_t)
corenet_raw_sendrecv_generic_node(ping_t)
corenet_tcp_sendrecv_generic_node(ping_t)
corenet_raw_bind_generic_node(ping_t)
corenet_tcp_sendrecv_all_ports(ping_t)
corenet_icmp_bind_generic_node(ping_t)

fs_dontaudit_getattr_xattr_fs(ping_t)

dev_read_urand(ping_t)

domain_use_interactive_fds(ping_t)

files_read_etc_files(ping_t)
files_dontaudit_search_var(ping_t)

kernel_read_system_state(ping_t)
kernel_read_network_state(ping_t)
kernel_request_load_module(ping_t)

auth_use_nsswitch(ping_t)

init_rw_inherited_script_tmp_files(ping_t)

logging_send_syslog_msg(ping_t)

ifdef(`hide_broken_symptoms',`
	init_dontaudit_use_fds(ping_t)

	optional_policy(`
		nagios_dontaudit_rw_log(ping_t)
		nagios_dontaudit_rw_pipes(ping_t)
        nagios_dontaudit_write_pipes_nrpe(ping_t)
	')
')

term_use_all_inherited_terms(ping_t)

tunable_policy(`selinuxuser_ping',`
	term_use_all_ttys(ping_t)
	term_use_all_ptys(ping_t)
',`
	term_dontaudit_use_all_ttys(ping_t)
	term_dontaudit_use_all_ptys(ping_t)
')

optional_policy(`
	munin_append_log(ping_t)
')

optional_policy(`
	nagios_rw_inerited_tmp_files(ping_t)
')

optional_policy(`
	pcmcia_use_cardmgr_fds(ping_t)
')

optional_policy(`
	openshift_rw_inherited_content(ping_t)
	openshift_dontaudit_rw_inherited_fifo_files(ping_t)
')

optional_policy(`
	zabbix_read_tmp(ping_t)
')

########################################
#
# Traceroute local policy
#

allow traceroute_t self:capability { net_admin net_raw setuid setgid };
dontaudit traceroute_t self:capability { sys_admin };
allow traceroute_t self:capability2 bpf;
allow traceroute_t self:netlink_generic_socket create_socket_perms;
allow traceroute_t self:netlink_rdma_socket create_socket_perms;
allow traceroute_t self:rawip_socket create_socket_perms;
allow traceroute_t self:packet_socket { create_socket_perms map };
allow traceroute_t self:udp_socket create_socket_perms;
allow traceroute_t self:sctp_socket create_socket_perms;
allow traceroute_t self:dccp_socket create_socket_perms;
allow traceroute_t self:icmp_socket create_socket_perms;
allow traceroute_t self:dccp_socket create_socket_perms;

kernel_read_system_state(traceroute_t)
kernel_read_network_state(traceroute_t)
kernel_read_net_sysctls(traceroute_t)
kernel_request_load_module(traceroute_t)
kernel_search_network_sysctl(traceroute_t)

corenet_all_recvfrom_netlabel(traceroute_t)
corenet_tcp_sendrecv_generic_if(traceroute_t)
corenet_udp_sendrecv_generic_if(traceroute_t)
corenet_raw_sendrecv_generic_if(traceroute_t)
corenet_tcp_sendrecv_generic_node(traceroute_t)
corenet_udp_sendrecv_generic_node(traceroute_t)
corenet_raw_sendrecv_generic_node(traceroute_t)
corenet_tcp_sendrecv_all_ports(traceroute_t)
corenet_udp_sendrecv_all_ports(traceroute_t)
corenet_udp_bind_generic_node(traceroute_t)
corenet_tcp_bind_generic_node(traceroute_t)
# traceroute needs this but not tracepath
corenet_raw_bind_generic_node(traceroute_t)
corenet_udp_bind_traceroute_port(traceroute_t)
corenet_tcp_connect_all_ports(traceroute_t)
corenet_sendrecv_all_client_packets(traceroute_t)
corenet_sendrecv_traceroute_server_packets(traceroute_t)
corenet_sctp_bind_generic_node(traceroute_t)
corenet_icmp_bind_generic_node(traceroute_t)

corecmd_exec_bin(traceroute_t)

dev_getattr_infiniband_dev(traceroute_t)

fs_dontaudit_getattr_xattr_fs(traceroute_t)

domain_use_interactive_fds(traceroute_t)

files_read_etc_files(traceroute_t)
files_read_usr_files(traceroute_t)
files_dontaudit_search_var(traceroute_t)

init_use_fds(traceroute_t)

auth_use_nsswitch(traceroute_t)

logging_send_syslog_msg(traceroute_t)


#rules needed for nmap
dev_read_rand(traceroute_t)
dev_read_urand(traceroute_t)

term_use_all_inherited_terms(traceroute_t)

tunable_policy(`selinuxuser_ping',`
	term_use_all_ttys(traceroute_t)
	term_use_all_ptys(traceroute_t)
',`
	term_dontaudit_use_all_ttys(traceroute_t)
	term_dontaudit_use_all_ptys(traceroute_t)
')