diff options
Diffstat (limited to 'policy/modules/contrib/bind.te')
| -rw-r--r-- | policy/modules/contrib/bind.te | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/policy/modules/contrib/bind.te b/policy/modules/contrib/bind.te new file mode 100644 index 000000000..4deca04f0 --- /dev/null +++ b/policy/modules/contrib/bind.te @@ -0,0 +1,260 @@ +policy_module(bind, 1.11.0) + +######################################## +# +# Declarations +# + +## <desc> +## <p> +## Allow BIND to write the master zone files. +## Generally this is used for dynamic DNS or zone transfers. +## </p> +## </desc> +gen_tunable(named_write_master_zones, false) + +# for DNSSEC key files +type dnssec_t; +files_security_file(dnssec_t) + +type named_t; +type named_exec_t; +init_daemon_domain(named_t, named_exec_t) +role system_r types named_t; + +type named_checkconf_exec_t; +init_system_domain(named_t, named_checkconf_exec_t) + +# A type for configuration files of named. +type named_conf_t; +files_type(named_conf_t) +files_mountpoint(named_conf_t) + +# for secondary zone files +type named_cache_t; +files_type(named_cache_t) + +type named_initrc_exec_t; +init_script_file(named_initrc_exec_t) + +type named_log_t; +logging_log_file(named_log_t) + +type named_tmp_t; +files_tmp_file(named_tmp_t) + +type named_var_run_t; +files_pid_file(named_var_run_t) + +# for primary zone files +type named_zone_t; +files_type(named_zone_t) + +type ndc_t; +type ndc_exec_t; +init_system_domain(ndc_t, ndc_exec_t) +role system_r types ndc_t; + +######################################## +# +# Named local policy +# + +allow named_t self:capability { chown dac_override fowner setgid setuid sys_chroot sys_nice sys_resource }; +dontaudit named_t self:capability sys_tty_config; +allow named_t self:process { setsched getcap setcap setrlimit signal_perms }; +allow named_t self:fifo_file rw_fifo_file_perms; +allow named_t self:unix_stream_socket create_stream_socket_perms; +allow named_t self:unix_dgram_socket create_socket_perms; +allow named_t self:tcp_socket create_stream_socket_perms; +allow named_t self:udp_socket create_socket_perms; + +allow named_t dnssec_t:file read_file_perms; + +# read configuration +allow named_t named_conf_t:dir list_dir_perms; +read_files_pattern(named_t, named_conf_t, named_conf_t) +read_lnk_files_pattern(named_t, named_conf_t, named_conf_t) + +# write cache for secondary zones +manage_files_pattern(named_t, named_cache_t, named_cache_t) +manage_lnk_files_pattern(named_t, named_cache_t, named_cache_t) + +can_exec(named_t, named_exec_t) + +manage_files_pattern(named_t, named_log_t, named_log_t) +logging_log_filetrans(named_t, named_log_t, { file dir }) + +manage_dirs_pattern(named_t, named_tmp_t, named_tmp_t) +manage_files_pattern(named_t, named_tmp_t, named_tmp_t) +files_tmp_filetrans(named_t, named_tmp_t, { file dir }) + +manage_files_pattern(named_t, named_var_run_t, named_var_run_t) +manage_sock_files_pattern(named_t, named_var_run_t, named_var_run_t) +files_pid_filetrans(named_t, named_var_run_t, { file sock_file }) + +# read zone files +allow named_t named_zone_t:dir list_dir_perms; +read_files_pattern(named_t, named_zone_t, named_zone_t) +read_lnk_files_pattern(named_t, named_zone_t, named_zone_t) + +kernel_read_kernel_sysctls(named_t) +kernel_read_system_state(named_t) +kernel_read_network_state(named_t) + +corecmd_search_bin(named_t) + +corenet_all_recvfrom_unlabeled(named_t) +corenet_all_recvfrom_netlabel(named_t) +corenet_tcp_sendrecv_generic_if(named_t) +corenet_udp_sendrecv_generic_if(named_t) +corenet_tcp_sendrecv_generic_node(named_t) +corenet_udp_sendrecv_generic_node(named_t) +corenet_tcp_sendrecv_all_ports(named_t) +corenet_udp_sendrecv_all_ports(named_t) +corenet_tcp_bind_generic_node(named_t) +corenet_udp_bind_generic_node(named_t) +corenet_tcp_bind_dns_port(named_t) +corenet_udp_bind_dns_port(named_t) +corenet_tcp_bind_rndc_port(named_t) +corenet_tcp_connect_all_ports(named_t) +corenet_sendrecv_dns_server_packets(named_t) +corenet_sendrecv_dns_client_packets(named_t) +corenet_sendrecv_rndc_server_packets(named_t) +corenet_sendrecv_rndc_client_packets(named_t) +corenet_dontaudit_udp_bind_all_reserved_ports(named_t) +corenet_udp_bind_all_unreserved_ports(named_t) + +dev_read_sysfs(named_t) +dev_read_rand(named_t) +dev_read_urand(named_t) + +domain_use_interactive_fds(named_t) + +files_read_etc_files(named_t) +files_read_etc_runtime_files(named_t) + +fs_getattr_all_fs(named_t) +fs_search_auto_mountpoints(named_t) + +auth_use_nsswitch(named_t) + +logging_send_syslog_msg(named_t) + +miscfiles_read_localization(named_t) +miscfiles_read_generic_certs(named_t) + +userdom_dontaudit_use_unpriv_user_fds(named_t) +userdom_dontaudit_search_user_home_dirs(named_t) + +tunable_policy(`named_write_master_zones',` + manage_dirs_pattern(named_t, named_zone_t, named_zone_t) + manage_files_pattern(named_t, named_zone_t, named_zone_t) + manage_lnk_files_pattern(named_t, named_zone_t, named_zone_t) +') + +optional_policy(` + init_dbus_chat_script(named_t) + + sysnet_dbus_chat_dhcpc(named_t) + + dbus_system_bus_client(named_t) + dbus_connect_system_bus(named_t) + + optional_policy(` + networkmanager_dbus_chat(named_t) + ') +') + +optional_policy(` + kerberos_keytab_template(named, named_t) +') + +optional_policy(` + # this seems like fds that arent being + # closed. these should probably be + # dontaudits instead. + networkmanager_rw_udp_sockets(named_t) + networkmanager_rw_packet_sockets(named_t) + networkmanager_rw_routing_sockets(named_t) +') + +optional_policy(` + seutil_sigchld_newrole(named_t) +') + +optional_policy(` + udev_read_db(named_t) +') + +######################################## +# +# NDC local policy +# + +# cjp: why net_admin?! +allow ndc_t self:capability { dac_override net_admin }; +allow ndc_t self:process { fork signal_perms }; +allow ndc_t self:fifo_file rw_fifo_file_perms; +allow ndc_t self:unix_stream_socket { connect create_stream_socket_perms }; +allow ndc_t self:tcp_socket create_socket_perms; +allow ndc_t self:netlink_route_socket r_netlink_socket_perms; + +allow ndc_t dnssec_t:file read_file_perms; +allow ndc_t dnssec_t:lnk_file { getattr read }; + +stream_connect_pattern(ndc_t, named_var_run_t, named_var_run_t, named_t) + +allow ndc_t named_conf_t:file read_file_perms; +allow ndc_t named_conf_t:lnk_file { getattr read }; + +allow ndc_t named_zone_t:dir search_dir_perms; + +kernel_read_kernel_sysctls(ndc_t) + +corenet_all_recvfrom_unlabeled(ndc_t) +corenet_all_recvfrom_netlabel(ndc_t) +corenet_tcp_sendrecv_generic_if(ndc_t) +corenet_tcp_sendrecv_generic_node(ndc_t) +corenet_tcp_sendrecv_all_ports(ndc_t) +corenet_tcp_bind_generic_node(ndc_t) +corenet_tcp_connect_rndc_port(ndc_t) +corenet_sendrecv_rndc_client_packets(ndc_t) + +domain_use_interactive_fds(ndc_t) + +files_read_etc_files(ndc_t) +files_search_pids(ndc_t) + +fs_getattr_xattr_fs(ndc_t) + +init_use_fds(ndc_t) +init_use_script_ptys(ndc_t) + +logging_send_syslog_msg(ndc_t) + +miscfiles_read_localization(ndc_t) + +sysnet_read_config(ndc_t) +sysnet_dns_name_resolve(ndc_t) + +userdom_use_user_terminals(ndc_t) + +term_dontaudit_use_console(ndc_t) + +# for /etc/rndc.key +ifdef(`distro_redhat',` + allow ndc_t named_conf_t:dir search; +') + +optional_policy(` + nis_use_ypbind(ndc_t) +') + +optional_policy(` + nscd_socket_use(ndc_t) +') + +optional_policy(` + ppp_dontaudit_use_fds(ndc_t) +') |