policy_module(cron, 2.15.1) gen_require(` class passwd rootok; ') ######################################## # # Declarations # ## ##

## Determine whether system cron jobs ## can relabel filesystem for ## restoring file contexts. ##

##
gen_tunable(cron_can_relabel, false) ## ##

## Determine whether crond can execute jobs ## in the user domain as opposed to the ## the generic cronjob domain. ##

##
gen_tunable(cron_userdomain_transition, false) ## ##

## Determine whether extra rules ## should be enabled to support fcron. ##

##
gen_tunable(fcron_crond, false) attribute cron_spool_type; attribute crontab_domain; type anacron_exec_t; application_executable_file(anacron_exec_t) type cron_spool_t; files_type(cron_spool_t) type cron_var_lib_t; files_type(cron_var_lib_t) type cron_var_run_t; files_pid_file(cron_var_run_t) type cron_log_t; logging_log_file(cron_log_t) type cronjob_t; typealias cronjob_t alias { user_crond_t staff_crond_t sysadm_crond_t }; typealias cronjob_t alias { auditadm_crond_t secadm_crond_t }; domain_type(cronjob_t) domain_cron_exemption_target(cronjob_t) corecmd_shell_entry_type(cronjob_t) ubac_constrained(cronjob_t) type crond_t; type crond_exec_t; init_daemon_domain(crond_t, crond_exec_t) domain_interactive_fd(crond_t) domain_cron_exemption_source(crond_t) type crond_initrc_exec_t; init_script_file(crond_initrc_exec_t) type crond_tmp_t; files_tmp_file(crond_tmp_t) files_poly_parent(crond_tmp_t) type crond_unit_t; init_unit_file(crond_unit_t) type crond_var_run_t; files_pid_file(crond_var_run_t) type crontab_exec_t; application_executable_file(crontab_exec_t) cron_common_crontab_template(admin_crontab) typealias admin_crontab_t alias sysadm_crontab_t; typealias admin_crontab_tmp_t alias sysadm_crontab_tmp_t; cron_common_crontab_template(crontab) typealias crontab_t alias { user_crontab_t staff_crontab_t }; typealias crontab_t alias { auditadm_crontab_t secadm_crontab_t }; typealias crontab_tmp_t alias { user_crontab_tmp_t staff_crontab_tmp_t }; typealias crontab_tmp_t alias { auditadm_crontab_tmp_t secadm_crontab_tmp_t }; type system_cron_spool_t, cron_spool_type; files_type(system_cron_spool_t) type system_cronjob_t alias system_crond_t; init_daemon_domain(system_cronjob_t, anacron_exec_t) corecmd_shell_entry_type(system_cronjob_t) domain_entry_file(system_cronjob_t, system_cron_spool_t) type system_cronjob_lock_t alias system_crond_lock_t; files_lock_file(system_cronjob_lock_t) type system_cronjob_tmp_t alias system_crond_tmp_t; files_tmp_file(system_cronjob_tmp_t) type system_cronjob_var_lib_t; files_type(system_cronjob_var_lib_t) type system_cronjob_var_run_t; files_pid_file(system_cronjob_var_run_t) type user_cron_spool_t, cron_spool_type; typealias user_cron_spool_t alias { staff_cron_spool_t sysadm_cron_spool_t unconfined_cron_spool_t }; typealias user_cron_spool_t alias { auditadm_cron_spool_t secadm_cron_spool_t }; files_type(user_cron_spool_t) ubac_constrained(user_cron_spool_t) type user_cron_spool_log_t; logging_log_file(user_cron_spool_log_t) ubac_constrained(user_cron_spool_log_t) ifdef(`enable_mcs',` init_ranged_daemon_domain(crond_t, crond_exec_t, s0 - mcs_systemhigh) ') optional_policy(` mta_system_content(cron_spool_t) mta_system_content(crond_tmp_t) mta_system_content(crond_var_run_t) mta_system_content(system_cron_spool_t) mta_system_content(user_cron_spool_t) mta_system_content(user_cron_spool_log_t) ') ############################## # # Common crontab local policy # allow crontab_domain self:capability { chown dac_override fowner setgid setuid }; allow crontab_domain self:process { getcap setsched signal_perms }; allow crontab_domain self:fifo_file rw_fifo_file_perms; manage_files_pattern(crontab_domain, { cron_spool_t user_cron_spool_t }, user_cron_spool_t) filetrans_pattern(crontab_domain, cron_spool_t, user_cron_spool_t, file) allow crontab_domain cron_spool_t:dir setattr_dir_perms; allow crontab_domain crond_t:process signal; allow crontab_domain crond_var_run_t:file read_file_perms; kernel_read_system_state(crontab_domain) selinux_dontaudit_search_fs(crontab_domain) files_list_spool(crontab_domain) files_read_etc_files(crontab_domain) files_read_usr_files(crontab_domain) files_search_pids(crontab_domain) fs_getattr_xattr_fs(crontab_domain) fs_manage_cgroup_dirs(crontab_domain) fs_rw_cgroup_files(crontab_domain) domain_use_interactive_fds(crontab_domain) fs_dontaudit_rw_anon_inodefs_files(crontab_domain) auth_rw_var_auth(crontab_domain) logging_send_syslog_msg(crontab_domain) logging_send_audit_msgs(crontab_domain) logging_set_loginuid(crontab_domain) init_dontaudit_write_utmp(crontab_domain) init_read_utmp(crontab_domain) init_read_state(crontab_domain) miscfiles_read_localization(crontab_domain) seutil_read_config(crontab_domain) userdom_manage_user_tmp_dirs(crontab_domain) userdom_manage_user_tmp_files(crontab_domain) userdom_use_user_terminals(crontab_domain) tunable_policy(`fcron_crond',` dontaudit crontab_domain crond_t:process signal; ') ######################################## # # Admin local policy # allow admin_crontab_t self:capability fsetid; allow admin_crontab_t crond_t:process signal; selinux_get_fs_mount(admin_crontab_t) selinux_validate_context(admin_crontab_t) selinux_compute_access_vector(admin_crontab_t) selinux_compute_create_context(admin_crontab_t) selinux_compute_relabel_context(admin_crontab_t) selinux_compute_user_contexts(admin_crontab_t) tunable_policy(`fcron_crond',` allow admin_crontab_t self:process setfscreate; ') ######################################## # # Daemon local policy # allow crond_t self:capability { chown dac_override dac_read_search fowner setgid setuid sys_nice }; dontaudit crond_t self:capability { sys_resource sys_tty_config }; allow crond_t self:process { transition signal_perms getsched setsched getsession getpgid setpgid getcap setcap share getattr setexec setfscreate noatsecure siginh setrlimit rlimitinh dyntransition setkeycreate setsockcreate getrlimit }; allow crond_t self:fd use; allow crond_t self:fifo_file rw_fifo_file_perms; allow crond_t self:unix_dgram_socket sendto; allow crond_t self:unix_stream_socket { accept connectto listen }; allow crond_t self:shm create_shm_perms; allow crond_t self:sem create_sem_perms; allow crond_t self:msgq create_msgq_perms; allow crond_t self:msg { send receive }; allow crond_t self:key { search write link }; dontaudit crond_t self:netlink_audit_socket nlmsg_tty_audit; allow crond_t cron_log_t:file { append_file_perms create_file_perms setattr_file_perms }; logging_log_filetrans(crond_t, cron_log_t, file) manage_files_pattern(crond_t, crond_var_run_t, crond_var_run_t) files_pid_filetrans(crond_t, crond_var_run_t, file) manage_files_pattern(crond_t, cron_spool_t, cron_spool_t) manage_dirs_pattern(crond_t, crond_tmp_t, crond_tmp_t) manage_files_pattern(crond_t, crond_tmp_t, crond_tmp_t) files_tmp_filetrans(crond_t, crond_tmp_t, { dir file }) list_dirs_pattern(crond_t, system_cron_spool_t, system_cron_spool_t) read_files_pattern(crond_t, system_cron_spool_t, system_cron_spool_t) rw_dirs_pattern(crond_t, user_cron_spool_t, user_cron_spool_t) manage_files_pattern(crond_t, user_cron_spool_t, user_cron_spool_t) manage_lnk_files_pattern(crond_t, user_cron_spool_t, user_cron_spool_t) manage_files_pattern(crond_t, user_cron_spool_log_t, user_cron_spool_log_t) allow crond_t system_cronjob_t:process transition; allow crond_t system_cronjob_t:fd use; allow crond_t system_cronjob_t:key manage_key_perms; dontaudit crond_t { cronjob_t system_cronjob_t }:process { noatsecure siginh rlimitinh }; domtrans_pattern(crond_t, anacron_exec_t, system_cronjob_t) kernel_read_kernel_sysctls(crond_t) kernel_read_fs_sysctls(crond_t) kernel_search_key(crond_t) corecmd_exec_shell(crond_t) corecmd_exec_bin(crond_t) corecmd_list_bin(crond_t) dev_read_sysfs(crond_t) dev_read_urand(crond_t) domain_use_interactive_fds(crond_t) domain_subj_id_change_exemption(crond_t) domain_role_change_exemption(crond_t) fs_getattr_all_fs(crond_t) fs_list_inotifyfs(crond_t) fs_manage_cgroup_dirs(crond_t) fs_rw_cgroup_files(crond_t) fs_search_auto_mountpoints(crond_t) files_read_usr_files(crond_t) files_read_etc_runtime_files(crond_t) files_read_generic_spool(crond_t) files_list_usr(crond_t) files_search_var_lib(crond_t) files_search_default(crond_t) files_read_all_locks(crond_t) mls_fd_share_all_levels(crond_t) mls_file_read_all_levels(crond_t) mls_file_write_all_levels(crond_t) mls_process_set_level(crond_t) mls_trusted_object(crond_t) selinux_get_fs_mount(crond_t) selinux_validate_context(crond_t) selinux_compute_access_vector(crond_t) selinux_compute_create_context(crond_t) selinux_compute_relabel_context(crond_t) selinux_compute_user_contexts(crond_t) init_read_state(crond_t) init_rw_utmp(crond_t) init_spec_domtrans_script(crond_t) init_stop_all_units(system_cronjob_t) init_start_all_units(system_cronjob_t) init_get_generic_units_status(system_cronjob_t) init_get_system_status(system_cronjob_t) auth_manage_var_auth(crond_t) auth_use_pam(crond_t) logging_send_audit_msgs(crond_t) logging_send_syslog_msg(crond_t) logging_set_loginuid(crond_t) seutil_read_config(crond_t) seutil_read_default_contexts(crond_t) miscfiles_read_localization(crond_t) userdom_list_user_home_dirs(crond_t) tunable_policy(`cron_userdomain_transition',` dontaudit crond_t cronjob_t:process transition; dontaudit crond_t cronjob_t:fd use; dontaudit crond_t cronjob_t:key manage_key_perms; ',` allow crond_t cronjob_t:process transition; allow crond_t cronjob_t:fd use; allow crond_t cronjob_t:key manage_key_perms; ') ifdef(`distro_debian',` allow crond_t self:process setrlimit; optional_policy(` apt_domtrans(system_cronjob_t) apt_manage_cache(system_cronjob_t) apt_read_db(system_cronjob_t) dpkg_manage_db(system_cronjob_t) ') optional_policy(` logwatch_search_cache_dir(crond_t) ') ') ifdef(`distro_redhat',` optional_policy(` rpm_manage_log(crond_t) ') ') tunable_policy(`allow_polyinstantiation',` files_polyinstantiate_all(crond_t) ') tunable_policy(`fcron_crond',` allow crond_t { system_cron_spool_t user_cron_spool_t }:file manage_file_perms; allow crond_t crond_var_run_t:sock_file manage_sock_file_perms; files_pid_filetrans(crond_t, crond_var_run_t, sock_file) ') optional_policy(` apache_search_sys_content(crond_t) ') optional_policy(` dbus_system_bus_client(crond_t) optional_policy(` hal_dbus_chat(crond_t) ') optional_policy(` init_dbus_chat(crond_t) ') optional_policy(` unconfined_dbus_send(crond_t) ') ') optional_policy(` amanda_search_var_lib(crond_t) ') optional_policy(` amavis_search_lib(crond_t) ') optional_policy(` djbdns_search_tinydns_keys(crond_t) djbdns_link_tinydns_keys(crond_t) ') optional_policy(` hal_write_log(crond_t) ') optional_policy(` locallogin_search_keys(crond_t) locallogin_link_keys(crond_t) ') optional_policy(` mta_send_mail(crond_t) ') optional_policy(` munin_search_lib(crond_t) ') optional_policy(` postgresql_search_db(crond_t) ') optional_policy(` rpc_search_nfs_state_data(crond_t) ') optional_policy(` rpm_read_pipes(crond_t) ') optional_policy(` seutil_sigchld_newrole(crond_t) ') optional_policy(` systemd_dbus_chat_logind(crond_t) systemd_write_inherited_logind_sessions_pipes(crond_t) ') optional_policy(` init_dbus_chat(crond_t) init_dbus_chat(system_cronjob_t) systemd_dbus_chat_logind(system_cronjob_t) systemd_write_inherited_logind_sessions_pipes(system_cronjob_t) # so cron jobs can restart daemons init_stream_connect(system_cronjob_t) init_manage_script_service(system_cronjob_t) ') optional_policy(` udev_read_db(crond_t) ') ######################################## # # System local policy # allow system_cronjob_t self:capability { chown dac_override dac_read_search fowner fsetid net_admin net_bind_service setgid setuid sys_nice sys_resource }; allow system_cronjob_t self:process { signal_perms getsched setsched setrlimit }; allow system_cronjob_t self:fd use; allow system_cronjob_t self:fifo_file rw_fifo_file_perms; allow system_cronjob_t self:passwd rootok; allow system_cronjob_t cron_log_t:file manage_file_perms; logging_log_filetrans(system_cronjob_t, cron_log_t, file) allow system_cronjob_t cron_var_lib_t:file { manage_file_perms relabel_file_perms }; files_var_lib_filetrans(system_cronjob_t, cron_var_lib_t, file) allow system_cronjob_t cron_var_run_t:file manage_file_perms; files_pid_filetrans(system_cronjob_t, cron_var_run_t, file) manage_files_pattern(system_cronjob_t, system_cron_spool_t, system_cron_spool_t) allow system_cronjob_t system_cronjob_lock_t:file manage_file_perms; allow system_cronjob_t system_cronjob_lock_t:lnk_file manage_lnk_file_perms; files_lock_filetrans(system_cronjob_t, system_cronjob_lock_t, { file lnk_file }) manage_dirs_pattern(system_cronjob_t, crond_tmp_t, system_cronjob_tmp_t) manage_files_pattern(system_cronjob_t, crond_tmp_t, system_cronjob_tmp_t) manage_lnk_files_pattern(system_cronjob_t, crond_tmp_t, system_cronjob_tmp_t) filetrans_pattern(system_cronjob_t, crond_tmp_t, system_cronjob_tmp_t, { file lnk_file }) files_tmp_filetrans(system_cronjob_t, system_cronjob_tmp_t, { file dir }) manage_files_pattern(system_cronjob_t, system_cronjob_var_lib_t, system_cronjob_var_lib_t) allow system_cronjob_t crond_t:fd use; allow system_cronjob_t crond_t:fifo_file rw_fifo_file_perms; allow system_cronjob_t crond_t:process sigchld; allow system_cronjob_t cron_spool_t:dir list_dir_perms; allow system_cronjob_t cron_spool_t:file rw_file_perms; allow system_cronjob_t crond_tmp_t:file rw_inherited_file_perms; # popcon wants to stat /proc/kmsg and /proc/kcore kernel_getattr_core_if(system_cronjob_t) kernel_getattr_message_if(system_cronjob_t) kernel_read_crypto_sysctls(system_cronjob_t) kernel_read_irq_sysctls(system_cronjob_t) kernel_read_kernel_sysctls(system_cronjob_t) kernel_read_network_state(system_cronjob_t) kernel_read_system_state(system_cronjob_t) kernel_read_software_raid_state(system_cronjob_t) files_dontaudit_search_boot(system_cronjob_t) corecmd_exec_all_executables(system_cronjob_t) corenet_all_recvfrom_unlabeled(system_cronjob_t) corenet_all_recvfrom_netlabel(system_cronjob_t) corenet_tcp_sendrecv_generic_if(system_cronjob_t) corenet_udp_sendrecv_generic_if(system_cronjob_t) corenet_tcp_sendrecv_generic_node(system_cronjob_t) corenet_udp_sendrecv_generic_node(system_cronjob_t) corenet_tcp_sendrecv_all_ports(system_cronjob_t) corenet_udp_sendrecv_all_ports(system_cronjob_t) dev_getattr_all_blk_files(system_cronjob_t) dev_getattr_all_chr_files(system_cronjob_t) dev_getattr_mtrr_dev(system_cronjob_t) dev_read_rand(system_cronjob_t) dev_read_urand(system_cronjob_t) dev_read_sysfs(system_cronjob_t) # for checkarray to write to sync_action dev_rw_sysfs(system_cronjob_t) fs_getattr_all_fs(system_cronjob_t) fs_getattr_all_files(system_cronjob_t) fs_getattr_all_symlinks(system_cronjob_t) fs_getattr_all_pipes(system_cronjob_t) fs_getattr_all_sockets(system_cronjob_t) domain_dontaudit_read_all_domains_state(system_cronjob_t) files_exec_etc_files(system_cronjob_t) files_exec_usr_files(system_cronjob_t) files_read_etc_runtime_files(system_cronjob_t) files_list_all(system_cronjob_t) files_getattr_all_dirs(system_cronjob_t) files_getattr_all_files(system_cronjob_t) files_getattr_all_symlinks(system_cronjob_t) files_getattr_all_pipes(system_cronjob_t) files_getattr_all_sockets(system_cronjob_t) files_read_usr_files(system_cronjob_t) files_read_var_files(system_cronjob_t) files_dontaudit_search_pids(system_cronjob_t) files_manage_generic_spool(system_cronjob_t) files_create_boot_flag(system_cronjob_t) files_read_var_lib_symlinks(system_cronjob_t) mls_file_read_to_clearance(system_cronjob_t) init_domtrans_script(system_cronjob_t) init_read_generic_units_symlinks(system_cronjob_t) init_read_utmp(system_cronjob_t) init_use_script_fds(system_cronjob_t) auth_use_nsswitch(system_cronjob_t) libs_exec_lib_files(system_cronjob_t) libs_exec_ld_so(system_cronjob_t) logging_manage_generic_logs(system_cronjob_t) logging_send_audit_msgs(system_cronjob_t) logging_send_syslog_msg(system_cronjob_t) miscfiles_read_localization(system_cronjob_t) seutil_read_config(system_cronjob_t) ifdef(`distro_redhat',` optional_policy(` rpm_manage_log(system_cronjob_t) ') ') tunable_policy(`cron_can_relabel',` seutil_domtrans_setfiles(system_cronjob_t) ',` selinux_get_fs_mount(system_cronjob_t) selinux_validate_context(system_cronjob_t) selinux_compute_access_vector(system_cronjob_t) selinux_compute_create_context(system_cronjob_t) selinux_compute_relabel_context(system_cronjob_t) selinux_compute_user_contexts(system_cronjob_t) seutil_read_file_contexts(system_cronjob_t) ') optional_policy(` acct_manage_data(system_cronjob_t) ') optional_policy(` apache_exec_modules(system_cronjob_t) apache_read_config(system_cronjob_t) apache_read_log(system_cronjob_t) apache_read_sys_content(system_cronjob_t) apache_delete_lib_files(system_cronjob_t) ') optional_policy(` cyrus_manage_data(system_cronjob_t) ') optional_policy(` dbus_system_bus_client(system_cronjob_t) optional_policy(` networkmanager_dbus_chat(system_cronjob_t) ') ') optional_policy(` devicekit_read_pid_files(system_cronjob_t) devicekit_append_inherited_log_files(system_cronjob_t) ') optional_policy(` exim_read_spool_files(system_cronjob_t) ') optional_policy(` ftp_read_log(system_cronjob_t) ') optional_policy(` gpg_exec(system_cronjob_t) ') optional_policy(` inn_manage_log(system_cronjob_t) inn_manage_pid(system_cronjob_t) inn_read_config(system_cronjob_t) ') optional_policy(` livecd_read_tmp_files(system_cronjob_t) ') optional_policy(` lpd_list_spool(system_cronjob_t) ') optional_policy(` mrtg_append_create_logs(system_cronjob_t) mrtg_read_config(system_cronjob_t) ') optional_policy(` mta_read_config(system_cronjob_t) mta_send_mail(system_cronjob_t) ') optional_policy(` mysql_read_config(system_cronjob_t) ') optional_policy(` postfix_read_config(system_cronjob_t) ') optional_policy(` samba_read_config(system_cronjob_t) samba_read_log(system_cronjob_t) ') optional_policy(` spamassassin_manage_lib_files(system_cronjob_t) ') optional_policy(` sysstat_manage_log(system_cronjob_t) ') optional_policy(` userdom_user_home_dir_filetrans_user_home_content(system_cronjob_t, { dir file lnk_file fifo_file sock_file }) # for gpg-connect-agent to access /run/user/0 userdom_manage_user_runtime_dirs(system_cronjob_t) ') ######################################## # # Cronjob local policy # allow cronjob_t self:process { signal_perms setsched }; allow cronjob_t self:fifo_file rw_fifo_file_perms; allow cronjob_t self:unix_stream_socket create_stream_socket_perms; allow cronjob_t self:unix_dgram_socket create_socket_perms; allow cronjob_t crond_tmp_t:file rw_inherited_file_perms; kernel_read_system_state(cronjob_t) kernel_read_kernel_sysctls(cronjob_t) files_dontaudit_search_boot(cronjob_t) corenet_all_recvfrom_unlabeled(cronjob_t) corenet_all_recvfrom_netlabel(cronjob_t) corenet_tcp_sendrecv_generic_if(cronjob_t) corenet_udp_sendrecv_generic_if(cronjob_t) corenet_tcp_sendrecv_generic_node(cronjob_t) corenet_udp_sendrecv_generic_node(cronjob_t) corenet_tcp_sendrecv_all_ports(cronjob_t) corenet_udp_sendrecv_all_ports(cronjob_t) corenet_sendrecv_all_client_packets(cronjob_t) corenet_tcp_connect_all_ports(cronjob_t) corecmd_exec_all_executables(cronjob_t) dev_read_urand(cronjob_t) fs_getattr_all_fs(cronjob_t) domain_dontaudit_read_all_domains_state(cronjob_t) domain_dontaudit_getattr_all_domains(cronjob_t) files_exec_etc_files(cronjob_t) files_read_etc_runtime_files(cronjob_t) files_read_var_files(cronjob_t) files_read_usr_files(cronjob_t) files_search_spool(cronjob_t) files_dontaudit_search_pids(cronjob_t) libs_exec_lib_files(cronjob_t) libs_exec_ld_so(cronjob_t) logging_search_logs(cronjob_t) seutil_read_config(cronjob_t) miscfiles_read_localization(cronjob_t) userdom_exec_user_home_content_files(cronjob_t) userdom_user_content_access_template(cron, { cronjob_t crontab_domain }) tunable_policy(`cron_manage_generic_user_content',` userdom_manage_user_tmp_pipes(cronjob_t) userdom_manage_user_tmp_sockets(cronjob_t) userdom_manage_user_home_content_pipes(cronjob_t) userdom_manage_user_home_content_sockets(cronjob_t) ') tunable_policy(`cron_userdomain_transition',` dontaudit cronjob_t crond_t:fd use; dontaudit cronjob_t crond_t:fifo_file rw_fifo_file_perms; dontaudit cronjob_t crond_t:process sigchld; dontaudit cronjob_t user_cron_spool_t:file entrypoint; ',` allow cronjob_t crond_t:fd use; allow cronjob_t crond_t:fifo_file rw_fifo_file_perms; allow cronjob_t crond_t:process sigchld; allow cronjob_t user_cron_spool_t:file entrypoint; ') optional_policy(` nis_use_ypbind(cronjob_t) ') ######################################## # # Unconfined local policy # type unconfined_cronjob_t; domain_type(unconfined_cronjob_t) domain_cron_exemption_target(unconfined_cronjob_t) dontaudit crond_t unconfined_cronjob_t:process { noatsecure siginh rlimitinh }; tunable_policy(`cron_userdomain_transition',` dontaudit crond_t unconfined_cronjob_t:process transition; dontaudit crond_t unconfined_cronjob_t:fd use; dontaudit crond_t unconfined_cronjob_t:key manage_key_perms; ',` allow crond_t unconfined_cronjob_t:process transition; allow crond_t unconfined_cronjob_t:fd use; allow crond_t unconfined_cronjob_t:key manage_key_perms; ') optional_policy(` unconfined_domain(unconfined_cronjob_t) ')