selinux-refpolicy/policy/modules/system/sysnetwork.te
Chris PeBenito 3fa4315772 various: Module version bump.
Signed-off-by: Chris PeBenito <pebenito@ieee.org>
2021-02-12 11:18:53 -05:00

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policy_module(sysnetwork, 1.27.1)
########################################
#
# Declarations
#
## <desc>
## <p>
## Determine whether DHCP client
## can manage samba
## </p>
## </desc>
gen_tunable(dhcpc_manage_samba, false)
attribute_role dhcpc_roles;
roleattribute system_r dhcpc_roles;
# this is shared between dhcpc and dhcpd:
type dhcp_etc_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 dhcpc_roles types dhcpc_t;
type dhcpc_runtime_t alias dhcpc_var_run_t;
files_runtime_file(dhcpc_runtime_t)
type dhcpc_state_t;
files_type(dhcpc_state_t)
type dhcpc_tmp_t;
files_tmp_file(dhcpc_tmp_t)
type ifconfig_t;
type ifconfig_exec_t;
init_system_domain(ifconfig_t, ifconfig_exec_t)
role system_r types ifconfig_t;
type ifconfig_runtime_t;
files_runtime_file(ifconfig_runtime_t)
type net_conf_t;
files_type(net_conf_t)
ifdef(`distro_debian',`
init_daemon_runtime_file(net_conf_t, dir, "network")
')
########################################
#
# DHCP client local policy
#
allow dhcpc_t self:capability { dac_override fsetid net_admin net_bind_service net_raw setpcap sys_nice sys_resource sys_tty_config };
dontaudit dhcpc_t self:capability { sys_ptrace 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 { getsched getcap setcap setfscreate ptrace signal_perms };
allow dhcpc_t self:fifo_file rw_fifo_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_generic_socket create_socket_perms;
allow dhcpc_t self:netlink_route_socket create_netlink_socket_perms;
allow dhcpc_t self:rawip_socket create_socket_perms;
allow dhcpc_t self:unix_dgram_socket { create_socket_perms sendto };
allow dhcpc_t dhcp_etc_t:dir list_dir_perms;
read_lnk_files_pattern(dhcpc_t, dhcp_etc_t, dhcp_etc_t)
exec_files_pattern(dhcpc_t, dhcp_etc_t, dhcp_etc_t)
allow dhcpc_t dhcp_state_t:file read_file_perms;
manage_files_pattern(dhcpc_t, dhcpc_state_t, dhcpc_state_t)
filetrans_pattern(dhcpc_t, dhcp_state_t, dhcpc_state_t, file)
allow dhcpc_t dhcpc_state_t:file map;
# create pid file
manage_files_pattern(dhcpc_t, dhcpc_runtime_t, dhcpc_runtime_t)
manage_sock_files_pattern(dhcpc_t, dhcpc_runtime_t, dhcpc_runtime_t)
create_dirs_pattern(dhcpc_t, dhcpc_runtime_t, dhcpc_runtime_t)
files_runtime_filetrans(dhcpc_t, dhcpc_runtime_t, { file dir })
# 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.
sysnet_manage_config(dhcpc_t)
files_etc_filetrans(dhcpc_t, net_conf_t, file)
# create temp files
manage_dirs_pattern(dhcpc_t, dhcpc_tmp_t, dhcpc_tmp_t)
manage_files_pattern(dhcpc_t, dhcpc_tmp_t, dhcpc_tmp_t)
files_tmp_filetrans(dhcpc_t, dhcpc_tmp_t, { file dir })
can_exec(dhcpc_t, dhcpc_exec_t)
kernel_read_system_state(dhcpc_t)
kernel_read_network_state(dhcpc_t)
kernel_search_network_sysctl(dhcpc_t)
kernel_read_kernel_sysctls(dhcpc_t)
kernel_request_load_module(dhcpc_t)
kernel_use_fds(dhcpc_t)
kernel_rw_net_sysctls(dhcpc_t)
corecmd_exec_bin(dhcpc_t)
corecmd_exec_shell(dhcpc_t)
corenet_all_recvfrom_netlabel(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_bind_all_nodes(dhcpc_t)
corenet_udp_bind_all_nodes(dhcpc_t)
corenet_tcp_bind_dhcpc_port(dhcpc_t)
corenet_udp_bind_dhcpc_port(dhcpc_t)
corenet_udp_bind_all_unreserved_ports(dhcpc_t)
corenet_tcp_connect_all_ports(dhcpc_t)
corenet_sendrecv_dhcpd_client_packets(dhcpc_t)
corenet_sendrecv_all_server_packets(dhcpc_t)
dev_read_sysfs(dhcpc_t)
# for SSP:
dev_read_urand(dhcpc_t)
domain_use_interactive_fds(dhcpc_t)
domain_dontaudit_read_all_domains_state(dhcpc_t)
files_read_etc_files(dhcpc_t)
files_read_etc_runtime_files(dhcpc_t)
files_read_usr_files(dhcpc_t)
files_search_home(dhcpc_t)
files_search_var_lib(dhcpc_t)
files_dontaudit_search_locks(dhcpc_t)
files_getattr_generic_locks(dhcpc_t)
files_manage_var_files(dhcpc_t)
fs_getattr_all_fs(dhcpc_t)
fs_search_auto_mountpoints(dhcpc_t)
fs_search_cgroup_dirs(dhcpc_t)
term_dontaudit_use_all_ttys(dhcpc_t)
term_dontaudit_use_all_ptys(dhcpc_t)
term_dontaudit_use_unallocated_ttys(dhcpc_t)
term_dontaudit_use_generic_ptys(dhcpc_t)
init_rw_utmp(dhcpc_t)
logging_send_syslog_msg(dhcpc_t)
miscfiles_read_localization(dhcpc_t)
# dhclient reads /etc/ssl
miscfiles_read_generic_certs(dhcpc_t)
sysnet_run_ifconfig(dhcpc_t, dhcpc_roles)
userdom_use_user_terminals(dhcpc_t)
userdom_dontaudit_search_user_home_dirs(dhcpc_t)
ifdef(`distro_redhat', `
files_exec_etc_files(dhcpc_t)
')
ifdef(`distro_ubuntu',`
optional_policy(`
unconfined_domain(dhcpc_t)
')
')
ifdef(`init_systemd',`
init_rw_stream_sockets(dhcpc_t)
init_read_state(dhcpc_t)
init_stream_connect(dhcpc_t)
init_get_all_units_status(dhcpc_t)
init_search_units(dhcpc_t)
')
optional_policy(`
avahi_domtrans(dhcpc_t)
')
optional_policy(`
consoletype_run(dhcpc_t, dhcpc_roles)
')
optional_policy(`
dbus_system_domain(dhcpc_t, dhcpc_exec_t)
init_dbus_chat_script(dhcpc_t)
optional_policy(`
networkmanager_dbus_chat(dhcpc_t)
')
')
optional_policy(`
hostname_run(dhcpc_t, dhcpc_roles)
')
optional_policy(`
modutils_run(dhcpc_t, dhcpc_roles)
')
# for the dhcp client to run ping to check IP addresses
optional_policy(`
netutils_run_ping(dhcpc_t, dhcpc_roles)
netutils_run(dhcpc_t, dhcpc_roles)
')
optional_policy(`
networkmanager_domtrans(dhcpc_t)
networkmanager_read_runtime_files(dhcpc_t)
networkmanager_manage_lib_files(dhcpc_t)
networkmanager_stream_connect(dhcpc_t)
')
optional_policy(`
nis_read_ypbind_runtime_files(dhcpc_t)
')
optional_policy(`
nscd_initrc_domtrans(dhcpc_t)
nscd_domtrans(dhcpc_t)
nscd_read_runtime_files(dhcpc_t)
')
optional_policy(`
ntp_initrc_domtrans(dhcpc_t)
ntp_read_drift_files(dhcpc_t)
ntp_read_conf_files(dhcpc_t)
')
optional_policy(`
tunable_policy(`dhcpc_manage_samba',`
samba_manage_config(dhcpc_t)
samba_manage_var_files(dhcpc_t)
init_exec_script_files(dhcpc_t)
init_get_system_status(dhcpc_t)
samba_stop(dhcpc_t)
samba_start(dhcpc_t)
samba_reload(dhcpc_t)
samba_status(dhcpc_t)
')
')
optional_policy(`
seutil_sigchld_newrole(dhcpc_t)
seutil_dontaudit_search_config(dhcpc_t)
')
optional_policy(`
userdom_use_all_users_fds(dhcpc_t)
')
optional_policy(`
vmware_append_log(dhcpc_t)
')
optional_policy(`
kernel_read_xen_state(dhcpc_t)
kernel_write_xen_state(dhcpc_t)
xen_append_log(dhcpc_t)
xen_dontaudit_rw_unix_stream_sockets(dhcpc_t)
')
########################################
#
# Ifconfig local policy
#
allow ifconfig_t self:capability { net_admin net_raw sys_admin sys_tty_config };
dontaudit ifconfig_t self:capability sys_module;
allow ifconfig_t self:process { transition signal_perms getsched setsched getsession getpgid setpgid getcap setcap share getattr noatsecure siginh rlimitinh dyntransition setkeycreate setsockcreate getrlimit };
allow ifconfig_t self:fd use;
allow ifconfig_t self:fifo_file rw_fifo_file_perms;
allow ifconfig_t self:sock_file read_sock_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;
# generic netlink socket for iw
# socket(PF_NETLINK, SOCK_RAW|SOCK_CLOEXEC, NETLINK_GENERIC) = 3
allow ifconfig_t self:netlink_socket create_socket_perms;
allow ifconfig_t self:netlink_generic_socket create_socket_perms;
allow ifconfig_t self:netlink_route_socket create_netlink_socket_perms;
allow ifconfig_t self:netlink_xfrm_socket create_netlink_socket_perms;
allow ifconfig_t self:tcp_socket { create ioctl };
# Allow "ip netns" to remount /var/run/netns and to mount network namespace files on /var/run/netns/$NSNAME
allow ifconfig_t ifconfig_runtime_t:dir mounton;
allow ifconfig_t ifconfig_runtime_t:file mounton;
manage_files_pattern(ifconfig_t, ifconfig_runtime_t, ifconfig_runtime_t)
create_dirs_pattern(ifconfig_t, ifconfig_runtime_t, ifconfig_runtime_t)
files_runtime_filetrans(ifconfig_t, ifconfig_runtime_t, dir)
kernel_use_fds(ifconfig_t)
kernel_read_system_state(ifconfig_t)
kernel_read_network_state(ifconfig_t)
kernel_request_load_module(ifconfig_t)
kernel_search_network_sysctl(ifconfig_t)
kernel_rw_net_sysctls(ifconfig_t)
corenet_rw_tun_tap_dev(ifconfig_t)
dev_read_sysfs(ifconfig_t)
# for IPSEC setup:
dev_read_urand(ifconfig_t)
domain_use_interactive_fds(ifconfig_t)
files_read_etc_files(ifconfig_t)
files_read_etc_runtime_files(ifconfig_t)
fs_getattr_xattr_fs(ifconfig_t)
fs_read_nsfs_files(ifconfig_t)
fs_search_auto_mountpoints(ifconfig_t)
fs_unmount_nsfs(ifconfig_t)
selinux_dontaudit_getattr_fs(ifconfig_t)
term_dontaudit_use_console(ifconfig_t)
term_dontaudit_use_all_ttys(ifconfig_t)
term_dontaudit_use_all_ptys(ifconfig_t)
term_dontaudit_use_ptmx(ifconfig_t)
term_dontaudit_use_generic_ptys(ifconfig_t)
files_dontaudit_read_root_files(ifconfig_t)
init_use_fds(ifconfig_t)
init_use_script_ptys(ifconfig_t)
logging_send_syslog_msg(ifconfig_t)
miscfiles_read_localization(ifconfig_t)
seutil_use_runinit_fds(ifconfig_t)
sysnet_dontaudit_rw_dhcpc_udp_sockets(ifconfig_t)
# For "ip netns identify $$"
userdom_read_all_users_state(ifconfig_t)
userdom_use_user_terminals(ifconfig_t)
userdom_use_all_users_fds(ifconfig_t)
ifdef(`distro_debian',`
term_dontaudit_use_unallocated_ttys(ifconfig_t)
')
ifdef(`distro_ubuntu',`
optional_policy(`
unconfined_domain(ifconfig_t)
')
')
ifdef(`hide_broken_symptoms',`
optional_policy(`
dev_dontaudit_rw_cardmgr(ifconfig_t)
')
optional_policy(`
udev_dontaudit_rw_dgram_sockets(ifconfig_t)
')
')
optional_policy(`
devicekit_read_runtime_files(ifconfig_t)
devicekit_append_inherited_log_files(ifconfig_t)
')
optional_policy(`
ipsec_write_runtime_files(ifconfig_t)
ipsec_setcontext_default_spd(ifconfig_t)
')
optional_policy(`
modutils_domtrans(ifconfig_t)
')
optional_policy(`
nis_use_ypbind(ifconfig_t)
')
optional_policy(`
ppp_use_fds(ifconfig_t)
')
optional_policy(`
unconfined_dontaudit_rw_pipes(ifconfig_t)
')
optional_policy(`
vmware_append_log(ifconfig_t)
')
optional_policy(`
kernel_read_xen_state(ifconfig_t)
kernel_write_xen_state(ifconfig_t)
xen_append_log(ifconfig_t)
xen_dontaudit_rw_unix_stream_sockets(ifconfig_t)
')