selinux-refpolicy/refpolicy/policy/modules/system/init.te

625 lines
15 KiB
Plaintext

policy_module(init,1.0)
########################################
#
# Declarations
#
# used for direct running of init scripts
# by admin domains
attribute direct_run_init;
attribute direct_init;
attribute direct_init_entry;
#
# init_t is the domain of the init process.
#
type init_t;
domain_type(init_t)
role system_r types init_t;
#
# init_exec_t is the type of the init program.
#
type init_exec_t;
kernel_userland_entry(init_t,init_exec_t)
domain_entry_file(init_t,init_exec_t)
#
# init_var_run_t is the type for /var/run/shutdown.pid.
#
type init_var_run_t;
files_pid_file(init_var_run_t)
#
# initctl_t is the type of the named pipe created
# by init during initialization. This pipe is used
# to communicate with init.
#
type initctl_t;
files_type(initctl_t)
mls_trusted_object(initctl_t)
type initrc_t;
domain_type(initrc_t)
role system_r types initrc_t;
type initrc_exec_t;
domain_entry_file(initrc_t,initrc_exec_t)
type initrc_devpts_t;
term_pty(initrc_devpts_t)
files_type(initrc_devpts_t)
type initrc_state_t;
files_type(initrc_state_t)
type initrc_tmp_t;
files_tmp_file(initrc_tmp_t)
type initrc_var_run_t;
files_pid_file(initrc_var_run_t)
########################################
#
# Init local policy
#
# Use capabilities. old rule:
allow init_t self:capability ~sys_module;
# is ~sys_module really needed? observed:
# sys_boot
# sys_tty_config
# kill: now provided by domain_kill_all_domains()
# setuid (from /sbin/shutdown)
# sys_chroot (from /usr/bin/chroot): now provided by corecmd_chroot_exec_chroot()
allow init_t self:fifo_file rw_file_perms;
# Re-exec itself
allow init_t init_exec_t:file { getattr read ioctl execute execute_no_trans };
allow init_t initrc_t:unix_stream_socket connectto;
# For /var/run/shutdown.pid.
allow init_t init_var_run_t:file { create getattr read append write setattr unlink };
files_create_pid(init_t,init_var_run_t)
allow init_t initctl_t:fifo_file { create getattr read append write setattr unlink };
fs_associate_tmpfs(initctl_t)
dev_create_dev_node(init_t,initctl_t,fifo_file)
# Modify utmp.
allow init_t initrc_var_run_t:file { rw_file_perms setattr };
# Run init scripts.
domain_auto_trans(init_t,initrc_exec_t,initrc_t)
kernel_read_system_state(init_t)
kernel_share_state(init_t)
kernel_sigchld_from(init_t)
# If you load a new policy that removes active domains, processes can
# get stuck if you do not allow unlabeled processes to signal init.
# If you load an incompatible policy, you should probably reboot,
# since you may have compromised system security.
kernel_sigchld_from_unlabeled(init_t)
dev_read_sysfs(init_t)
selinux_set_boolean(init_t)
term_use_all_terms(init_t)
corecmd_exec_chroot(init_t)
corecmd_exec_bin(init_t)
corecmd_exec_sbin(init_t)
domain_kill_all_domains(init_t)
domain_signal_all_domains(init_t)
domain_signull_all_domains(init_t)
domain_sigstop_all_domains(init_t)
domain_sigstop_all_domains(init_t)
domain_sigchld_all_domains(init_t)
files_read_etc_files(init_t)
files_rw_generic_pids(init_t)
files_dontaudit_search_isid_type_dir(init_t)
files_manage_etc_runtime_files(init_t)
# Run /etc/X11/prefdm:
files_exec_etc_files(init_t)
# file descriptors inherited from the rootfs:
files_dontaudit_rw_root_file(init_t)
files_dontaudit_rw_root_chr_dev(init_t)
libs_use_ld_so(init_t)
libs_use_shared_libs(init_t)
libs_rw_ld_so_cache(init_t)
logging_send_syslog_msg(init_t)
logging_rw_generic_logs(init_t)
mls_file_read_up(init_t)
mls_file_write_down(init_t)
mls_rangetrans_target(init_t)
seutil_read_config(init_t)
miscfiles_read_localization(init_t)
ifdef(`distro_redhat',`
fs_use_tmpfs_chr_dev(init_t)
fs_create_tmpfs_data(init_t,initctl_t,fifo_file)
')
ifdef(`targeted_policy',`
unconfined_domain_template(init_t)
')
optional_policy(`authlogin.te',`
auth_rw_login_records(init_t)
')
optional_policy(`portmap.te',`
portmap_udp_sendto(init_t)
')
# Run the shell in the sysadm_t domain for single-user mode.
optional_policy(`userdomain.te',`
userdom_shell_domtrans_sysadm(init_t)
')
ifdef(`TODO',`
allow init_t ramfs_t:sock_file write;
')
########################################
#
# Init script local policy
#
allow initrc_t self:process { getpgid setsched setpgid setrlimit getsched };
allow initrc_t self:capability ~{ sys_admin sys_module };
allow initrc_t self:passwd rootok;
# Allow IPC with self
allow initrc_t self:unix_dgram_socket create_socket_perms;
allow initrc_t self:unix_stream_socket { create listen accept ioctl read getattr write setattr append bind connect getopt setopt shutdown connectto };
allow initrc_t self:tcp_socket create_stream_socket_perms;
allow initrc_t self:udp_socket create_socket_perms;
allow initrc_t self:fifo_file rw_file_perms;
allow initrc_t self:netlink_route_socket r_netlink_socket_perms;
allow initrc_t init_t:fd use;
allow initrc_t initrc_exec_t:file { getattr read ioctl execute execute_no_trans };
allow initrc_t initrc_state_t:dir create_dir_perms;
allow initrc_t initrc_state_t:file create_file_perms;
allow initrc_t initrc_state_t:lnk_file { create read getattr setattr unlink rename };
allow initrc_t initrc_var_run_t:file create_file_perms;
files_create_pid(initrc_t,initrc_var_run_t)
allow initrc_t initrc_tmp_t:file create_file_perms;
allow initrc_t initrc_tmp_t:dir create_dir_perms;
files_create_tmp_files(initrc_t,initrc_tmp_t, { file dir })
kernel_read_system_state(initrc_t)
kernel_read_software_raid_state(initrc_t)
kernel_read_network_state(initrc_t)
kernel_read_ring_buffer(initrc_t)
kernel_change_ring_buffer_level(initrc_t)
kernel_clear_ring_buffer(initrc_t)
kernel_get_sysvipc_info(initrc_t)
kernel_read_all_sysctl(initrc_t)
kernel_rw_all_sysctl(initrc_t)
# for lsof which is used by alsa shutdown:
kernel_dontaudit_getattr_message_if(initrc_t)
bootloader_read_kernel_symbol_table(initrc_t)
corenet_tcp_sendrecv_all_if(initrc_t)
corenet_raw_sendrecv_all_if(initrc_t)
corenet_udp_sendrecv_all_if(initrc_t)
corenet_tcp_sendrecv_all_nodes(initrc_t)
corenet_raw_sendrecv_all_nodes(initrc_t)
corenet_udp_sendrecv_all_nodes(initrc_t)
corenet_tcp_sendrecv_all_ports(initrc_t)
corenet_udp_sendrecv_all_ports(initrc_t)
corenet_tcp_bind_all_nodes(initrc_t)
corenet_udp_bind_all_nodes(initrc_t)
corenet_tcp_connect_all_ports(initrc_t)
dev_read_rand(initrc_t)
dev_read_urand(initrc_t)
dev_write_rand(initrc_t)
dev_write_urand(initrc_t)
dev_rw_sysfs(initrc_t)
dev_list_usbfs(initrc_t)
dev_read_framebuffer(initrc_t)
dev_read_realtime_clock(initrc_t)
dev_read_snd_mixer_dev(initrc_t)
dev_write_snd_mixer_dev(initrc_t)
dev_setattr_all_chr_files(initrc_t)
dev_read_lvm_control(initrc_t)
dev_delete_lvm_control(initrc_t)
dev_manage_generic_symlinks(initrc_t)
# Wants to remove udev.tbl:
dev_del_generic_symlinks(initrc_t)
fs_register_binary_executable_type(initrc_t)
# cjp: not sure why these are here; should use mount policy
fs_mount_all_fs(initrc_t)
fs_unmount_all_fs(initrc_t)
fs_remount_all_fs(initrc_t)
fs_getattr_all_fs(initrc_t)
selinux_get_enforce_mode(initrc_t)
storage_getattr_fixed_disk(initrc_t)
storage_setattr_fixed_disk(initrc_t)
storage_setattr_removable_device(initrc_t)
term_use_all_terms(initrc_t)
term_reset_tty_labels(initrc_t)
auth_rw_login_records(initrc_t)
auth_rw_lastlog(initrc_t)
auth_read_pam_pid(initrc_t)
auth_delete_pam_pid(initrc_t)
auth_delete_pam_console_data(initrc_t)
corecmd_exec_bin(initrc_t)
corecmd_exec_sbin(initrc_t)
corecmd_exec_shell(initrc_t)
corecmd_exec_ls(initrc_t)
domain_kill_all_domains(initrc_t)
domain_signal_all_domains(initrc_t)
domain_signull_all_domains(initrc_t)
domain_sigstop_all_domains(initrc_t)
domain_sigstop_all_domains(initrc_t)
domain_sigchld_all_domains(initrc_t)
domain_read_all_domains_state(initrc_t)
domain_getattr_all_domains(initrc_t)
domain_dontaudit_ptrace_all_domains(initrc_t)
domain_getsession_all_domains(initrc_t)
domain_use_wide_inherit_fd(initrc_t)
domain_exec_all_entry_files(initrc_t)
# for lsof which is used by alsa shutdown:
domain_dontaudit_getattr_all_udp_sockets(initrc_t)
domain_dontaudit_getattr_all_tcp_sockets(initrc_t)
domain_dontaudit_getattr_all_unix_dgram_sockets(initrc_t)
domain_dontaudit_getattr_all_unnamed_pipes(initrc_t)
files_getattr_all_dirs(initrc_t)
files_getattr_all_files(initrc_t)
files_getattr_all_symlinks(initrc_t)
files_getattr_all_pipes(initrc_t)
files_getattr_all_sockets(initrc_t)
files_purge_tmp(initrc_t)
files_delete_all_locks(initrc_t)
files_read_all_pids(initrc_t)
files_delete_all_pids(initrc_t)
files_delete_all_pid_dirs(initrc_t)
files_read_etc_files(initrc_t)
files_manage_etc_runtime_files(initrc_t)
files_manage_generic_locks(initrc_t)
files_exec_etc_files(initrc_t)
files_read_usr_files(initrc_t)
files_manage_urandom_seed(initrc_t)
files_manage_generic_spools(initrc_t)
# Mount and unmount file systems.
# cjp: not sure why these are here; should use mount policy
files_list_isid_type_dir(initrc_t)
files_mounton_isid_type_dir(initrc_t)
files_list_default(initrc_t)
files_mounton_default(initrc_t)
libs_rw_ld_so_cache(initrc_t)
libs_use_ld_so(initrc_t)
libs_use_shared_libs(initrc_t)
libs_exec_lib_files(initrc_t)
logging_send_syslog_msg(initrc_t)
logging_manage_generic_logs(initrc_t)
logging_read_all_logs(initrc_t)
logging_append_all_logs(initrc_t)
logging_read_auditd_config(initrc_t)
miscfiles_read_localization(initrc_t)
mls_file_read_up(initrc_t)
mls_file_write_down(initrc_t)
mls_process_read_up(initrc_t)
mls_process_write_down(initrc_t)
modutils_read_module_conf(initrc_t)
seutil_read_config(initrc_t)
sysnet_read_config(initrc_t)
udev_rw_db(initrc_t)
userdom_read_all_user_files(initrc_t)
# Allow access to the sysadm TTYs. Note that this will give access to the
# TTYs to any process in the initrc_t domain. Therefore, daemons and such
# started from init should be placed in their own domain.
userdom_use_sysadm_terms(initrc_t)
ifdef(`distro_debian', `
dev_setattr_dev_dir(initrc_t)
fs_create_tmpfs_data(initrc_t,initrc_var_run_t,dir)
# for storing state under /dev/shm
fs_setattr_tmpfs_dir(initrc_t)
storage_create_fixed_disk_tmpfs(initrc_t)
files_setattr_etc_dir(initrc_t)
')
ifdef(`distro_gentoo',`
optional_policy(`arpwatch.te',`
arpwatch_manage_data_files(initrc_t)
')
optional_policy(`dhcp.te',`
dhcpd_setattr_state_files(initrc_t)
')
')
ifdef(`distro_redhat',`
# this is from kmodule, which should get its own policy:
allow initrc_t self:capability sys_admin;
# Red Hat systems seem to have a stray
# fd open from the initrd
kernel_dontaudit_use_fd(initrc_t)
files_dontaudit_read_root_file(initrc_t)
selinux_set_enforce_mode(initrc_t)
# Create and read /boot/kernel.h and /boot/System.map.
# Redhat systems typically create this file at boot time.
bootloader_create_runtime_file(initrc_t)
bootloader_rw_boot_symlinks(initrc_t)
# These seem to be from the initrd
# during device initialization:
dev_create_dir(initrc_t)
dev_rwx_zero_dev(initrc_t)
dev_rx_raw_memory(initrc_t)
dev_wx_raw_memory(initrc_t)
storage_raw_read_fixed_disk(initrc_t)
storage_raw_write_fixed_disk(initrc_t)
fs_use_tmpfs_chr_dev(initrc_t)
files_create_boot_flag(initrc_t)
# readahead asks for these
mta_read_aliases(initrc_t)
optional_policy(`bind.te',`
bind_manage_config_dir(initrc_t)
')
')
ifdef(`targeted_policy',`
domain_subj_id_change_exempt(initrc_t)
unconfined_domain_template(initrc_t)
unconfined_shell_domtrans(initrc_t)
')
optional_policy(`apache.te',`
apache_read_config(initrc_t)
apache_list_modules(initrc_t)
')
optional_policy(`bind.te',`
bind_read_config(initrc_t)
# for chmod in start script
bind_setattr_pid_dir(initrc_t)
# for /etc/rndc.key
ifdef(`distro_redhat',`
# Allow init script to cp localtime to named_conf_t
bind_write_config(initrc_t)
')
')
optional_policy(`bluetooth.te',`
dev_read_usbfs(initrc_t)
')
optional_policy(`apm.te',`
dev_rw_apm_bios(initrc_t)
')
optional_policy(`cpucontrol.te',`
cpucontrol_stub()
dev_getattr_cpu(initrc_t)
')
optional_policy(`ftp.te',`
ftp_read_config(initrc_t)
')
optional_policy(`gpm.te',`
gpm_setattr_gpmctl(initrc_t)
')
optional_policy(`hotplug.te',`
dev_read_usbfs(initrc_t)
# init scripts run /etc/hotplug/usb.rc
hotplug_read_config(initrc_t)
modutils_read_mods_deps(initrc_t)
')
optional_policy(`inn.te',`
inn_exec_config(initrc_t)
')
optional_policy(`ipsec.te',`
ipsec_read_config(initrc_t)
ipsec_manage_pid(initrc_t)
')
optional_policy(`kerberos.te',`
kerberos_use(initrc_t)
')
optional_policy(`ldap.te',`
ldap_read_config(initrc_t)
ldap_list_db_dir(initrc_t)
')
optional_policy(`loadkeys.te',`
loadkeys_exec(initrc_t)
')
optional_policy(`lvm.te',`
#allow initrc_t lvm_control_t:chr_file unlink;
dev_read_lvm_control(initrc_t)
dev_create_generic_chr_file(initrc_t)
')
optional_policy(`mailman.te',`
mailman_list_data(initrc_t)
mailman_read_data_symlinks(initrc_t)
')
optional_policy(`mta.te',`
mta_dontaudit_read_spool_symlink(initrc_t)
')
optional_policy(`mysql.te',`
ifdef(`distro_redhat',`
mysql_manage_db_dir(initrc_t)
')
mysql_stream_connect(initrc_t)
mysql_write_log(initrc_t)
')
optional_policy(`nis.te',`
nis_use_ypbind(initrc_t)
nis_udp_sendto_ypbind(initrc_t)
nis_list_var_yp(initrc_t)
')
optional_policy(`raid.te',`
raid_manage_mdadm_pid(initrc_t)
')
optional_policy(`postgresql.te',`
postgresql_manage_db(initrc_t)
postgresql_read_config(initrc_t)
')
optional_policy(`quota.te',`
quota_manage_flags(initrc_t)
')
optional_policy(`rhgb.te',`
corecmd_shell_entry_type(initrc_t)
')
optional_policy(`rpm.te',`
# bash tries to access a block device in the initrd
kernel_dontaudit_getattr_unlabeled_blk_dev(initrc_t)
# for a bug in rm
files_dontaudit_write_all_pids(initrc_t)
# bash tries ioctl for some reason
files_dontaudit_ioctl_all_pids(initrc_t)
# why is this needed:
rpm_manage_db(initrc_t)
')
optional_policy(`samba.te',`
samba_rw_config(initrc_t)
samba_read_winbind_pid(initrc_t)
')
optional_policy(`squid.te',`
squid_read_config(initrc_t)
squid_manage_logs(initrc_t)
')
optional_policy(`ssh.te',`
optional_policy(`inetd.te',`
tunable_policy(`run_ssh_inetd',`',`
ssh_dontaudit_read_server_keys(initrc_t)
')
',`
ssh_dontaudit_read_server_keys(initrc_t)
')
')
optional_policy(`sysnetwork.te',`
ifdef(`distro_redhat',`
sysnet_rw_dhcp_config(initrc_t)
')
sysnet_read_dhcpc_state(initrc_t)
')
optional_policy(`zebra.te',`
zebra_read_config(initrc_t)
')
ifdef(`TODO',`
# Set device ownerships/modes.
allow initrc_t xconsole_device_t:fifo_file setattr;
allow initrc_t system_dbusd_t:dbus { send_msg acquire_svc };
allow initrc_t system_dbusd_t:unix_stream_socket connectto;
allow initrc_t system_dbusd_var_run_t:sock_file write;
# rhgb-console writes to ramfs
allow initrc_t ramfs_t:fifo_file write;
# during boot up initrc needs to do the following
allow initrc_t default_t:dir write;
#
# These rules are here to allow init scripts to su
#
optional_policy(`su.te', `
su_restricted_domain(initrc,system)
role system_r types initrc_su_t;
')
ifdef(`distro_redhat', `
# readahead asks for these
allow initrc_t var_lib_nfs_t:file r_file_perms;
file_type_auto_trans(initrc_t, device_t, fixed_disk_device_t, blk_file)
allow initrc_t file_type:{ dir_file_class_set socket_class_set } getattr;
allow initrc_t self:capability sys_admin;
allow initrc_t device_t:dir create;
optional_policy(`rpm.te',`
rpm_stub()
#read ahead wants to read this
allow initrc_t system_cron_spool_t:file { getattr read };
')
')
ifdef(`targeted_policy',`
allow unconfined_t initrc_t:dbus { acquire_svc send_msg };
allow initrc_t unconfined_t:dbus { acquire_svc send_msg };
')
') dnl end TODO