selinux-policy/strict/domains/program/netutils.te

#DESC Netutils - Network utilities
#
# Authors:  Stephen Smalley <sds@epoch.ncsc.mil>
# X-Debian-Packages: netbase iputils arping tcpdump 
#

#
# Rules for the netutils_t domain.
# This domain is for network utilities that require access to
# special protocol families.
#
type netutils_t, domain, privlog;
type netutils_exec_t, file_type, sysadmfile, exec_type;
role system_r types netutils_t;
role sysadm_r types netutils_t;

uses_shlib(netutils_t)
can_network(netutils_t)
allow netutils_t port_type:tcp_socket name_connect;
can_ypbind(netutils_t)
tmp_domain(netutils)

domain_auto_trans(initrc_t, netutils_exec_t, netutils_t)
ifdef(`targeted_policy', `', `
domain_auto_trans(sysadm_t, netutils_exec_t, netutils_t)
')

# Inherit and use descriptors from init.
allow netutils_t { userdomain init_t }:fd use;

allow netutils_t self:process { fork signal_perms };

# Perform network administration operations and have raw access to the network.
allow netutils_t self:capability { net_admin net_raw setuid setgid };

# Create and use netlink sockets.
allow netutils_t self:netlink_route_socket { bind create getattr nlmsg_read nlmsg_write read write };

# Create and use packet sockets.
allow netutils_t self:packet_socket create_socket_perms;

# Create and use UDP sockets.
allow netutils_t self:udp_socket create_socket_perms;

# Create and use TCP sockets.
allow netutils_t self:tcp_socket create_socket_perms;

allow netutils_t self:unix_stream_socket create_socket_perms;

# Read certain files in /etc
allow netutils_t etc_t:file r_file_perms;
read_locale(netutils_t)

allow netutils_t fs_t:filesystem getattr;

# Access terminals.
allow netutils_t privfd:fd use;
allow netutils_t { initrc_devpts_t admin_tty_type }:chr_file rw_file_perms;
ifdef(`gnome-pty-helper.te', `allow netutils_t sysadm_gph_t:fd use;')
allow netutils_t proc_t:dir search;

# for nscd
dontaudit netutils_t var_t:dir search;