selinux-policy/refpolicy/policy/modules/system/sysnetwork.te
2006-02-16 21:33:18 +00:00

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policy_module(sysnetwork,1.1.0)
########################################
#
# Declarations
#
# this is shared between dhcpc and dhcpd:
type dhcp_etc_t;
typealias dhcp_etc_t alias { etc_dhcp_t etc_dhcpc_t etc_dhcpd_t };
files_config_file(dhcp_etc_t)
# this is shared between dhcpc and dhcpd:
type dhcp_state_t;
files_type(dhcp_state_t)
type dhcpc_t;
type dhcpc_exec_t;
init_daemon_domain(dhcpc_t,dhcpc_exec_t)
role system_r types dhcpc_t;
type dhcpc_state_t;
files_type(dhcpc_state_t)
type dhcpc_tmp_t;
files_tmp_file(dhcpc_tmp_t)
type dhcpc_var_run_t;
files_pid_file(dhcpc_var_run_t)
type ifconfig_t;
type ifconfig_exec_t;
init_system_domain(ifconfig_t, ifconfig_exec_t)
role system_r types ifconfig_t;
type net_conf_t alias resolv_conf_t;
files_type(net_conf_t)
########################################
#
# DHCP client local policy
#
allow dhcpc_t self:capability { dac_override fsetid net_admin net_raw net_bind_service sys_resource sys_tty_config };
dontaudit dhcpc_t self:capability sys_tty_config;
# for access("/etc/bashrc", X_OK) on Red Hat
dontaudit dhcpc_t self:capability { dac_read_search sys_module };
allow dhcpc_t self:process signal_perms;
allow dhcpc_t self:fifo_file rw_file_perms;
allow dhcpc_t self:tcp_socket create_stream_socket_perms;
allow dhcpc_t self:udp_socket create_socket_perms;
allow dhcpc_t self:packet_socket create_socket_perms;
allow dhcpc_t self:netlink_route_socket { create_socket_perms nlmsg_read };
allow dhcpc_t dhcp_etc_t:dir r_dir_perms;
allow dhcpc_t dhcp_etc_t:lnk_file r_file_perms;
allow dhcpc_t dhcp_etc_t:file { r_file_perms execute execute_no_trans };
allow dhcpc_t dhcp_state_t:dir rw_dir_perms;
allow dhcpc_t dhcp_state_t:file { getattr read };
allow dhcpc_t dhcpc_state_t:dir rw_dir_perms;
allow dhcpc_t dhcpc_state_t:file create_file_perms;
type_transition dhcpc_t dhcp_state_t:file dhcpc_state_t;
# create pid file
allow dhcpc_t dhcpc_var_run_t:file create_file_perms;
allow dhcpc_t dhcpc_var_run_t:dir rw_dir_perms;
files_filetrans_pid(dhcpc_t,dhcpc_var_run_t)
# Allow read/write to /etc/resolv.conf and /etc/ntp.conf. Note that any files
# in /etc created by dhcpcd will be labelled net_conf_t.
allow dhcpc_t net_conf_t:file create_file_perms;
files_filetrans_etc(dhcpc_t,net_conf_t,file)
# create temp files
allow dhcpc_t dhcpc_tmp_t:dir create_dir_perms;
allow dhcpc_t dhcpc_tmp_t:file create_file_perms;
files_filetrans_tmp(dhcpc_t, dhcpc_tmp_t, { file dir })
can_exec(dhcpc_t, dhcpc_exec_t)
# transition to ifconfig
domain_auto_trans(dhcpc_t, ifconfig_exec_t, ifconfig_t)
allow dhcpc_t ifconfig_t:fd use;
allow ifconfig_t dhcpc_t:fd use;
allow ifconfig_t dhcpc_t:fifo_file rw_file_perms;
allow ifconfig_t dhcpc_t:process sigchld;
kernel_read_system_state(dhcpc_t)
kernel_read_network_state(dhcpc_t)
kernel_read_kernel_sysctls(dhcpc_t)
kernel_use_fd(dhcpc_t)
corenet_tcp_sendrecv_all_if(dhcpc_t)
corenet_raw_sendrecv_all_if(dhcpc_t)
corenet_udp_sendrecv_all_if(dhcpc_t)
corenet_tcp_sendrecv_all_nodes(dhcpc_t)
corenet_raw_sendrecv_all_nodes(dhcpc_t)
corenet_udp_sendrecv_all_nodes(dhcpc_t)
corenet_tcp_sendrecv_all_ports(dhcpc_t)
corenet_udp_sendrecv_all_ports(dhcpc_t)
corenet_non_ipsec_sendrecv(dhcpc_t)
corenet_tcp_bind_all_nodes(dhcpc_t)
corenet_udp_bind_all_nodes(dhcpc_t)
corenet_udp_bind_dhcpc_port(dhcpc_t)
corenet_tcp_connect_all_ports(dhcpc_t)
dev_read_sysfs(dhcpc_t)
# for SSP:
dev_read_urand(dhcpc_t)
fs_getattr_all_fs(dhcpc_t)
fs_search_auto_mountpoints(dhcpc_t)
term_dontaudit_use_console(dhcpc_t)
term_dontaudit_use_all_user_ttys(dhcpc_t)
term_dontaudit_use_all_user_ptys(dhcpc_t)
term_dontaudit_use_unallocated_ttys(dhcpc_t)
term_dontaudit_use_generic_ptys(dhcpc_t)
corecmd_exec_bin(dhcpc_t)
corecmd_exec_sbin(dhcpc_t)
corecmd_exec_shell(dhcpc_t)
domain_use_wide_inherit_fd(dhcpc_t)
domain_dontaudit_list_all_domains_state(dhcpc_t)
files_read_etc_files(dhcpc_t)
files_read_etc_runtime_files(dhcpc_t)
files_search_home(dhcpc_t)
files_search_var_lib(dhcpc_t)
files_dontaudit_search_locks(dhcpc_t)
init_use_fd(dhcpc_t)
init_use_script_ptys(dhcpc_t)
init_rw_utmp(dhcpc_t)
logging_send_syslog_msg(dhcpc_t)
libs_use_ld_so(dhcpc_t)
libs_use_shared_libs(dhcpc_t)
miscfiles_read_localization(dhcpc_t)
modutils_domtrans_insmod(dhcpc_t)
userdom_dontaudit_search_staff_home_dir(dhcpc_t)
ifdef(`distro_redhat', `
files_exec_etc_files(dhcpc_t)
')
ifdef(`targeted_policy', `
term_dontaudit_use_unallocated_ttys(dhcpc_t)
term_dontaudit_use_generic_ptys(dhcpc_t)
files_dontaudit_read_root_files(dhcpc_t)
')
optional_policy(`consoletype',`
consoletype_domtrans(dhcpc_t)
')
optional_policy(`dbus',`
gen_require(`
class dbus send_msg;
')
allow dhcpc_t self:dbus send_msg;
init_dbus_chat_script(dhcpc_t)
dbus_system_bus_client_template(dhcpc,dhcpc_t)
dbus_connect_system_bus(dhcpc_t)
dbus_send_system_bus(dhcpc_t)
optional_policy(`networkmanager',`
networkmanager_dbus_chat(dhcpc_t)
')
ifdef(`unconfined.te', `
allow unconfined_t dhcpc_t:dbus send_msg;
allow dhcpc_t unconfined_t:dbus send_msg;
')
')
optional_policy(`hostname',`
hostname_domtrans(dhcpc_t)
')
optional_policy(`hotplug',`
hotplug_getattr_config_dirs(dhcpc_t)
hotplug_search_config(dhcpc_t)
ifdef(`distro_redhat',`
logging_domtrans_syslog(dhcpc_t)
')
')
# for the dhcp client to run ping to check IP addresses
optional_policy(`netutils',`
netutils_domtrans_ping(dhcpc_t)
netutils_domtrans(dhcpc_t)
',`
allow dhcpc_t self:capability setuid;
allow dhcpc_t self:rawip_socket create_socket_perms;
')
optional_policy(`nis',`
nis_use_ypbind(dhcpc_t)
nis_signal_ypbind(dhcpc_t)
nis_read_ypbind_pid(dhcpc_t)
nis_delete_ypbind_pid(dhcpc_t)
# dhclient sometimes starts ypbind
init_exec_script_files(dhcpc_t)
nis_domtrans_ypbind(dhcpc_t)
')
optional_policy(`nscd',`
nscd_domtrans(dhcpc_t)
nscd_read_pid(dhcpc_t)
')
optional_policy(`ntp',`
# dhclient sometimes starts ntpd
init_exec_script_files(dhcpc_t)
ntp_domtrans(dhcpc_t)
')
optional_policy(`pcmcia',`
pcmcia_stub(dhcpc_t)
dev_rw_cardmgr(dhcpc_t)
')
optional_policy(`selinuxutil',`
seutil_sigchld_newrole(dhcpc_t)
seutil_dontaudit_search_config(dhcpc_t)
')
optional_policy(`udev',`
udev_read_db(dhcpc_t)
')
optional_policy(`userdomain',`
userdom_use_all_users_fd(dhcpc_t)
')
########################################
#
# Ifconfig local policy
#
allow ifconfig_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execheap execstack };
allow ifconfig_t self:capability { net_raw net_admin sys_tty_config };
dontaudit ifconfig_t self:capability sys_module;
allow ifconfig_t self:fd use;
allow ifconfig_t self:fifo_file rw_file_perms;
allow ifconfig_t self:sock_file r_file_perms;
allow ifconfig_t self:socket create_socket_perms;
allow ifconfig_t self:unix_dgram_socket create_socket_perms;
allow ifconfig_t self:unix_stream_socket create_stream_socket_perms;
allow ifconfig_t self:unix_dgram_socket sendto;
allow ifconfig_t self:unix_stream_socket connectto;
allow ifconfig_t self:shm create_shm_perms;
allow ifconfig_t self:sem create_sem_perms;
allow ifconfig_t self:msgq create_msgq_perms;
allow ifconfig_t self:msg { send receive };
# Create UDP sockets, necessary when called from dhcpc
allow ifconfig_t self:udp_socket create_socket_perms;
# for /sbin/ip
allow ifconfig_t self:packet_socket create_socket_perms;
allow ifconfig_t self:netlink_route_socket create_netlink_socket_perms;
allow ifconfig_t self:tcp_socket { create ioctl };
files_read_etc_files(ifconfig_t);
kernel_use_fd(ifconfig_t)
kernel_read_system_state(ifconfig_t)
kernel_read_network_state(ifconfig_t)
kernel_search_network_sysctl(ifconfig_t)
corenet_rw_tun_tap_dev(ifconfig_t)
dev_read_sysfs(ifconfig_t)
fs_getattr_xattr_fs(ifconfig_t)
fs_search_auto_mountpoints(ifconfig_t)
term_dontaudit_use_all_user_ttys(ifconfig_t)
term_dontaudit_use_all_user_ptys(ifconfig_t)
domain_use_wide_inherit_fd(ifconfig_t)
files_dontaudit_read_root_files(ifconfig_t)
init_use_fd(ifconfig_t)
init_use_script_ptys(ifconfig_t)
libs_use_ld_so(ifconfig_t)
libs_use_shared_libs(ifconfig_t)
libs_read_lib_files(ifconfig_t)
logging_send_syslog_msg(ifconfig_t)
miscfiles_read_localization(ifconfig_t)
modutils_domtrans_insmod(ifconfig_t)
seutil_use_runinit_fd(ifconfig_t)
userdom_use_all_users_fd(ifconfig_t)
ifdef(`hide_broken_symptoms',`
optional_policy(`pcmcia',`
dev_dontaudit_rw_cardmgr(ifconfig_t)
')
optional_policy(`udev',`
udev_dontaudit_rw_dgram_sockets(ifconfig_t)
')
')
ifdef(`targeted_policy',`
term_use_generic_ptys(ifconfig_t)
term_use_unallocated_ttys(ifconfig_t)
')
optional_policy(`netutils',`
netutils_domtrans(dhcpc_t)
')
optional_policy(`nis',`
nis_use_ypbind(ifconfig_t)
')
optional_policy(`ppp',`
ppp_use_fd(ifconfig_t)
')