diff options
Diffstat (limited to 'tools/selinux/icinga2.te')
| -rw-r--r-- | tools/selinux/icinga2.te | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/tools/selinux/icinga2.te b/tools/selinux/icinga2.te new file mode 100644 index 0000000..1573256 --- /dev/null +++ b/tools/selinux/icinga2.te @@ -0,0 +1,288 @@ +policy_module(icinga2, 0.2.2) + +######################################## +# +# Declarations +# + +## <desc> +## <p> +## Allow Icinga 2 to connect to all ports +## </p> +## </desc> +gen_tunable(icinga2_can_connect_all, false) + +## <desc> +## <p> +## Allow Apache to connect to Icinga 2 API +## </p> +## </desc> +gen_tunable(httpd_can_connect_icinga2_api, true) + +## <desc> +## <p> +## Allow Apache to write into Icinga 2 Commandpipe +## </p> +## </desc> +gen_tunable(httpd_can_write_icinga2_command, true) + +## <desc> +## <p> +## Allow Icinga 2 to run plugins via sudo +## </p> +## </desc> +gen_tunable(icinga2_run_sudo, false) + +require { + type nagios_admin_plugin_t; type nagios_admin_plugin_exec_t; + type nagios_checkdisk_plugin_t; type nagios_checkdisk_plugin_exec_t; + type nagios_mail_plugin_t; type nagios_mail_plugin_exec_t; + type nagios_services_plugin_t; type nagios_services_plugin_exec_t; + type nagios_system_plugin_t; type nagios_system_plugin_exec_t; + type nagios_unconfined_plugin_t; type nagios_unconfined_plugin_exec_t; + type nagios_eventhandler_plugin_t; type nagios_eventhandler_plugin_exec_t; + type nagios_openshift_plugin_t; type nagios_openshift_plugin_exec_t; + type httpd_t; type system_mail_t; + type redis_t; type redis_var_run_t; type redis_port_t; + type devlog_t; + role staff_r; + attribute unreserved_port_type; +} + +type icinga2_t; +type icinga2_exec_t; +init_daemon_domain(icinga2_t, icinga2_exec_t) + +#permissive icinga2_t; + +type icinga2_initrc_exec_t; +init_script_file(icinga2_initrc_exec_t) + +type icinga2_unit_file_t; +systemd_unit_file(icinga2_unit_file_t) + +type icinga2_etc_t; +files_config_file(icinga2_etc_t) + +type icinga2_log_t; +logging_log_file(icinga2_log_t) + +type icinga2_var_lib_t; +files_type(icinga2_var_lib_t) + +type icinga2_var_run_t; +files_pid_file(icinga2_var_run_t) + +type icinga2_command_t; +files_type(icinga2_command_t) + +type icinga2_spool_t; +files_type(icinga2_spool_t) + +type icinga2_cache_t; +files_type(icinga2_cache_t) + +type icinga2_tmp_t; +files_tmp_file(icinga2_tmp_t) + +type icinga2_port_t; +# There is no interface for unreserved_port_type +typeattribute icinga2_port_t unreserved_port_type; +corenet_port(icinga2_port_t) + +######################################## +# +# icinga2 local policy +# +allow icinga2_t self:capability { setgid setuid sys_resource kill }; +allow icinga2_t self:process { setsched signal setrlimit }; +allow icinga2_t self:fifo_file rw_fifo_file_perms; +allow icinga2_t self:unix_dgram_socket create_socket_perms; +allow icinga2_t self:unix_stream_socket create_stream_socket_perms; + +allow icinga2_t icinga2_exec_t:file execute_no_trans; + +list_dirs_pattern(icinga2_t, icinga2_etc_t, icinga2_etc_t) +read_files_pattern(icinga2_t, icinga2_etc_t, icinga2_etc_t) +read_lnk_files_pattern(icinga2_t, icinga2_etc_t, icinga2_etc_t) + +manage_dirs_pattern(icinga2_t, icinga2_log_t, icinga2_log_t) +manage_files_pattern(icinga2_t, icinga2_log_t, icinga2_log_t) +manage_lnk_files_pattern(icinga2_t, icinga2_log_t, icinga2_log_t) +logging_log_filetrans(icinga2_t, icinga2_log_t, { dir file lnk_file }) + +manage_dirs_pattern(icinga2_t, icinga2_var_lib_t, icinga2_var_lib_t) +manage_files_pattern(icinga2_t, icinga2_var_lib_t, icinga2_var_lib_t) +manage_lnk_files_pattern(icinga2_t, icinga2_var_lib_t, icinga2_var_lib_t) +files_var_lib_filetrans(icinga2_t, icinga2_var_lib_t, { dir file lnk_file }) + +manage_dirs_pattern(icinga2_t, icinga2_var_run_t, icinga2_var_run_t) +manage_files_pattern(icinga2_t, icinga2_var_run_t, icinga2_var_run_t) +files_pid_filetrans(icinga2_t, icinga2_var_run_t, { dir file }) + +manage_dirs_pattern(icinga2_t, icinga2_command_t, icinga2_command_t) +manage_files_pattern(icinga2_t, icinga2_command_t, icinga2_command_t) +manage_fifo_files_pattern(icinga2_t, icinga2_command_t, icinga2_command_t) + +manage_dirs_pattern(icinga2_t, icinga2_spool_t, icinga2_spool_t) +manage_files_pattern(icinga2_t, icinga2_spool_t, icinga2_spool_t) +files_spool_filetrans(icinga2_t, icinga2_spool_t, { dir file }) + +manage_dirs_pattern(icinga2_t, icinga2_cache_t, icinga2_cache_t) +manage_files_pattern(icinga2_t, icinga2_cache_t, icinga2_cache_t) + +manage_files_pattern(icinga2_t, icinga2_tmp_t, icinga2_tmp_t) +manage_dirs_pattern(icinga2_t, icinga2_tmp_t, icinga2_tmp_t) +files_tmp_filetrans(icinga2_t, icinga2_tmp_t, { dir file }) + +domain_use_interactive_fds(icinga2_t) + +files_read_etc_files(icinga2_t) + +auth_use_nsswitch(icinga2_t) + +miscfiles_read_localization(icinga2_t) + +corecmd_exec_shell(icinga2_t) +corecmd_exec_bin(icinga2_t) + +kernel_read_system_state(icinga2_t) +kernel_read_network_state(icinga2_t) +kernel_dgram_send(icinga2_t) + +# should be moved to nagios_plugin_template in nagios.if +icinga2_execstrans(nagios_admin_plugin_exec_t, nagios_admin_plugin_t) +icinga2_execstrans(nagios_checkdisk_plugin_exec_t, nagios_checkdisk_plugin_t) +icinga2_execstrans(nagios_mail_plugin_exec_t, nagios_mail_plugin_t) +icinga2_execstrans(nagios_services_plugin_exec_t, nagios_services_plugin_t) +icinga2_execstrans(nagios_system_plugin_exec_t, nagios_system_plugin_t) +icinga2_execstrans(nagios_unconfined_plugin_exec_t, nagios_unconfined_plugin_t) +icinga2_execstrans(nagios_eventhandler_plugin_exec_t, nagios_eventhandler_plugin_t) +icinga2_execstrans(nagios_openshift_plugin_exec_t, nagios_openshift_plugin_t) + +# should be moved nagios.te +nagios_plugin_template(notification) +icinga2_execstrans(nagios_notification_plugin_exec_t, nagios_notification_plugin_t) +allow nagios_notification_plugin_t icinga2_etc_t:dir search; +allow nagios_notification_plugin_t nagios_notification_plugin_exec_t:dir search; +#permissive nagios_notification_plugin_t; +corecmd_exec_bin(nagios_notification_plugin_t) +hostname_exec(nagios_notification_plugin_t) +type nagios_notification_plugin_tmp_t; +files_tmp_file(nagios_notification_plugin_tmp_t) +manage_files_pattern(nagios_notification_plugin_t, nagios_notification_plugin_tmp_t, nagios_notification_plugin_tmp_t) +manage_dirs_pattern(nagios_notification_plugin_t, nagios_notification_plugin_tmp_t, nagios_notification_plugin_tmp_t) +files_tmp_filetrans(nagios_notification_plugin_t, nagios_notification_plugin_tmp_t, { dir file }) +fs_dontaudit_getattr_xattr_fs(nagios_notification_plugin_t) +optional_policy(` + mta_send_mail(nagios_notification_plugin_t) +') +icinga2_dontaudit_leaks_fifo(system_mail_t) +# direct smtp notification +corenet_tcp_connect_smtp_port(nagios_notification_plugin_t) +# hipsaint notification +auth_read_passwd(nagios_notification_plugin_t) +sysnet_read_config(nagios_notification_plugin_t) +allow nagios_notification_plugin_t self:udp_socket create_stream_socket_perms; +allow nagios_notification_plugin_t self:tcp_socket create_stream_socket_perms; +allow nagios_notification_plugin_t self:netlink_route_socket create_netlink_socket_perms; +corenet_tcp_connect_http_port(nagios_notification_plugin_t) +miscfiles_read_generic_certs(nagios_notification_plugin_t) + +allow icinga2_t icinga2_port_t:tcp_socket name_bind; +allow icinga2_t self:tcp_socket create_stream_socket_perms; +corenet_tcp_connect_icinga2_port(icinga2_t) + +mysql_stream_connect(icinga2_t) +mysql_tcp_connect(icinga2_t) +postgresql_stream_connect(icinga2_t) +postgresql_tcp_connect(icinga2_t) + +# graphite is using port 2003 which is lmtp_port_t +corenet_tcp_connect_lmtp_port(icinga2_t) + +# Allow icinga2 to connect to redis using unix domain sockets +stream_connect_pattern(icinga2_t, redis_var_run_t, redis_var_run_t, redis_t) + +# Just like `redis_tcp_connect(icinga2_t)`, though this interface does not exist on centos7 +corenet_tcp_recvfrom_labeled(icinga2_t, redis_t) +corenet_tcp_sendrecv_redis_port(icinga2_t) +corenet_tcp_connect_redis_port(icinga2_t) + +# This is for other feature that do not use a confined port +# or if you run one one with a non standard port. +tunable_policy(`icinga2_can_connect_all',` + corenet_tcp_connect_all_ports(icinga2_t) +') + +# This is for plugins requiring to be executed via sudo +tunable_policy(`icinga2_run_sudo',` + allow icinga2_t self:capability { audit_write net_admin }; + allow icinga2_t self:netlink_audit_socket { create_netlink_socket_perms nlmsg_relay }; + allow icinga2_t devlog_t:sock_file write; + + init_read_utmp(icinga2_t) + + auth_domtrans_chkpwd(icinga2_t) + allow icinga2_t chkpwd_t:process { noatsecure rlimitinh siginh }; + + selinux_compute_access_vector(icinga2_t) + + dbus_send_system_bus(icinga2_t) + dbus_stream_connect_system_dbusd(icinga2_t) + systemd_dbus_chat_logind(icinga2_t) + # Without this it works but is very slow + systemd_write_inherited_logind_sessions_pipes(icinga2_t) +') + +optional_policy(` + tunable_policy(`icinga2_run_sudo',` + sudo_exec(icinga2_t) + ') +') + + + +######################################## +# +# Icinga Webinterfaces +# + +optional_policy(` + # should be a boolean in apache-policy + tunable_policy(`httpd_can_write_icinga2_command',` + icinga2_send_commands(httpd_t) + ') +') + +optional_policy(` + # should be a boolean in apache-policy + tunable_policy(`httpd_can_connect_icinga2_api',` + corenet_tcp_connect_icinga2_port(httpd_t) + ') +') + +######################################## +# +# Icinga2 Admin Role +# + +userdom_unpriv_user_template(icinga2adm) + +icinga2_admin(icinga2adm_t, icinga2adm_r) + +allow icinga2adm_t self:capability { dac_read_search dac_override }; + +# should be moved to staff.te +icinga2adm_role_change(staff_r) + +# should be moved to nagios_plugin_template in nagios.if +icinga2adm_execstrans(nagios_admin_plugin_exec_t, nagios_admin_plugin_t) +icinga2adm_execstrans(nagios_checkdisk_plugin_exec_t, nagios_checkdisk_plugin_t) +icinga2adm_execstrans(nagios_mail_plugin_exec_t, nagios_mail_plugin_t) +icinga2adm_execstrans(nagios_services_plugin_exec_t, nagios_services_plugin_t) +icinga2adm_execstrans(nagios_system_plugin_exec_t, nagios_system_plugin_t) +icinga2adm_execstrans(nagios_unconfined_plugin_exec_t, nagios_unconfined_plugin_t) +icinga2adm_execstrans(nagios_eventhandler_plugin_exec_t, nagios_eventhandler_plugin_t) +icinga2adm_execstrans(nagios_openshift_plugin_exec_t, nagios_openshift_plugin_t) +icinga2adm_execstrans(nagios_notification_plugin_exec_t, nagios_notification_plugin_t) |