policy_module(netutils, 1.7.1)

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

## <desc>
## <p>
## Control users use of ping and traceroute
## </p>
## </desc>
gen_tunable(user_ping, false)

type netutils_t;
type netutils_exec_t;
init_system_domain(netutils_t, netutils_exec_t)
role system_r types netutils_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)
role system_r types ping_t;

type traceroute_t;
type traceroute_exec_t;
init_system_domain(traceroute_t, traceroute_exec_t)
role system_r types traceroute_t;

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

# Perform network administration operations and have raw access to the network.
allow netutils_t self:capability { net_admin net_raw setuid setgid };
dontaudit netutils_t self:capability sys_tty_config;
allow netutils_t self:process { sigkill sigstop signull signal };
allow netutils_t self:netlink_route_socket { bind create getattr nlmsg_read nlmsg_write read write };
allow netutils_t self:packet_socket create_socket_perms;
allow netutils_t self:udp_socket create_socket_perms;
allow netutils_t self:tcp_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_sysctl(netutils_t)

corenet_all_recvfrom_unlabeled(netutils_t)
corenet_all_recvfrom_netlabel(netutils_t)
corenet_tcp_sendrecv_all_if(netutils_t)
corenet_raw_sendrecv_all_if(netutils_t)
corenet_udp_sendrecv_all_if(netutils_t)
corenet_tcp_sendrecv_all_nodes(netutils_t)
corenet_raw_sendrecv_all_nodes(netutils_t)
corenet_udp_sendrecv_all_nodes(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)

fs_getattr_xattr_fs(netutils_t)

domain_use_interactive_fds(netutils_t)

files_read_etc_files(netutils_t)
# for nscd
files_dontaudit_search_var(netutils_t)

init_use_fds(netutils_t)
init_use_script_ptys(netutils_t)

auth_use_nsswitch(netutils_t)

logging_send_syslog_msg(netutils_t)

miscfiles_read_localization(netutils_t)

userdom_use_user_terminals(netutils_t)
userdom_use_all_users_fds(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 };
dontaudit ping_t self:capability sys_tty_config;
allow ping_t self:tcp_socket create_socket_perms;
allow ping_t self:rawip_socket { create ioctl read write bind getopt setopt };
allow ping_t self:packet_socket { create ioctl read write bind getopt setopt };
allow ping_t self:netlink_route_socket create_netlink_socket_perms;

corenet_all_recvfrom_unlabeled(ping_t)
corenet_all_recvfrom_netlabel(ping_t)
corenet_tcp_sendrecv_all_if(ping_t)
corenet_raw_sendrecv_all_if(ping_t)
corenet_raw_sendrecv_all_nodes(ping_t)
corenet_raw_bind_all_nodes(ping_t)
corenet_tcp_sendrecv_all_nodes(ping_t)
corenet_tcp_sendrecv_all_ports(ping_t)

fs_dontaudit_getattr_xattr_fs(ping_t)

domain_use_interactive_fds(ping_t)

files_read_etc_files(ping_t)
files_dontaudit_search_var(ping_t)

auth_use_nsswitch(ping_t)

logging_send_syslog_msg(ping_t)

miscfiles_read_localization(ping_t)

userdom_use_user_terminals(ping_t)

ifdef(`hide_broken_symptoms',`
	init_dontaudit_use_fds(ping_t)
')

tunable_policy(`user_ping',`
	term_use_all_user_ttys(ping_t)
	term_use_all_user_ptys(ping_t)
')

optional_policy(`
	pcmcia_use_cardmgr_fds(ping_t)
')

optional_policy(`
	hotplug_use_fds(ping_t)
')

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

allow traceroute_t self:capability { net_admin net_raw setuid setgid };
allow traceroute_t self:rawip_socket create_socket_perms;
allow traceroute_t self:packet_socket create_socket_perms;
allow traceroute_t self:udp_socket create_socket_perms;

kernel_read_system_state(traceroute_t)
kernel_read_network_state(traceroute_t)

corenet_all_recvfrom_unlabeled(traceroute_t)
corenet_all_recvfrom_netlabel(traceroute_t)
corenet_tcp_sendrecv_all_if(traceroute_t)
corenet_udp_sendrecv_all_if(traceroute_t)
corenet_raw_sendrecv_all_if(traceroute_t)
corenet_tcp_sendrecv_all_nodes(traceroute_t)
corenet_udp_sendrecv_all_nodes(traceroute_t)
corenet_raw_sendrecv_all_nodes(traceroute_t)
corenet_tcp_sendrecv_all_ports(traceroute_t)
corenet_udp_sendrecv_all_ports(traceroute_t)
corenet_udp_bind_all_nodes(traceroute_t)
corenet_tcp_bind_all_nodes(traceroute_t)
# traceroute needs this but not tracepath
corenet_raw_bind_all_nodes(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)

fs_dontaudit_getattr_xattr_fs(traceroute_t)

domain_use_interactive_fds(traceroute_t)

files_read_etc_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)

miscfiles_read_localization(traceroute_t)

userdom_use_user_terminals(traceroute_t)

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

tunable_policy(`user_ping',`
	term_use_all_user_ttys(traceroute_t)
	term_use_all_user_ptys(traceroute_t)
')