# Copyright (C) 2005 Tresys Technology, LLC
## <module name="userdomain" layer="system">
## <summary>Policy for user domains</summary>
########################################
#
# Base user domain template
#
# This is common to user and admin domain
define(`base_user_domain',`
attribute $1_file_type;
type $1_t, userdomain;
corecommands_make_shell_entrypoint($1_t)
role $1_r types $1_t;
allow system_r $1_r;
allow $1_t self:capability { setgid chown fowner };
dontaudit $1_t self:capability { sys_nice fsetid };
allow $1_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem dyntransition };
allow $1_t self:process { ptrace setfscreate };
allow $1_t self:fd use;
allow $1_t self:fifo_file { read getattr lock ioctl write append };
allow $1_t self:unix_dgram_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown };
allow $1_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept };
allow $1_t self:unix_dgram_socket sendto;
allow $1_t self:unix_stream_socket connectto;
allow $1_t self:shm { associate getattr setattr create destroy read write lock unix_read unix_write };
allow $1_t self:sem { associate getattr setattr create destroy read write unix_read unix_write };
allow $1_t self:msgq { associate getattr setattr create destroy read write enqueue unix_read unix_write };
allow $1_t self:msg { send receive };
dontaudit $1_t self:socket create;
# Irrelevant until we have labeled networking.
#allow $1_t self:udp_socket { sendto recvfrom };
# evolution and gnome-session try to create a netlink socket
dontaudit $1_t self:netlink_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown };
dontaudit $1_t self:netlink_route_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown nlmsg_read nlmsg_write };
# execute files in the home directory
allow $1_t $1_home_t:file { getattr read execute execute_no_trans };
# full control of the home directory
allow $1_t $1_home_t:file { create ioctl read getattr lock write setattr append link unlink rename relabelfrom relabelto };
allow $1_t $1_home_t:lnk_file { create read getattr setattr link unlink rename relabelfrom relabelto };
allow $1_t $1_home_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir relabelfrom relabelto };
allow $1_t $1_home_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename relabelfrom relabelto };
allow $1_t $1_home_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename relabelfrom relabelto };
allow $1_t $1_home_dir_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir };
type_transition $1_t $1_home_dir_t:{ file lnk_file dir sock_file fifo_file } $1_home_t;
allow $1_t $1_tmp_t:file { getattr read execute execute_no_trans };
# Bind to a Unix domain socket in /tmp.
# cjp: this is combination is not checked and should be removed
allow $1_t $1_tmp_t:unix_stream_socket name_bind;
allow $1_t $1_tty_device_t:chr_file { setattr getattr read write append ioctl lock };
allow $1_t unpriv_userdomain:fd use;
# Instantiate derived domains for a number of programs.
# These derived domains encode both information about the calling
# user domain and the program, and allow us to maintain separation
# between different instances of the program being run by different
# user domains.
per_userdomain_templates($1)
kernel_read_kernel_sysctl($1_t)
kernel_get_selinuxfs_mount_point($1_t)
# Very permissive allowing every domain to see every type.
kernel_get_sysvipc_info($1_t)
# Find CDROM devices
kernel_read_device_sysctl($1_t)
corenetwork_network_tcp_on_all_interfaces($1_t)
corenetwork_network_raw_on_all_interfaces($1_t)
corenetwork_network_udp_on_all_interfaces($1_t)
corenetwork_network_tcp_on_all_nodes($1_t)
corenetwork_network_raw_on_all_nodes($1_t)
corenetwork_network_udp_on_all_nodes($1_t)
corenetwork_network_tcp_on_all_ports($1_t)
corenetwork_network_udp_on_all_ports($1_t)
corenetwork_bind_tcp_on_all_nodes($1_t)
corenetwork_bind_udp_on_all_nodes($1_t)
# allow port_t name binding for UDP because it is not very usable otherwise
corenetwork_bind_udp_on_general_port($1_t)
devices_get_input_event($1_t)
devices_read_misc($1_t)
devices_write_misc($1_t)
devices_play_sound($1_t)
devices_record_sound_input($1_t)
devices_read_sound_mixer_levels($1_t)
devices_write_sound_mixer_levels($1_t)
devices_get_random_data($1_t)
devices_get_pseudorandom_data($1_t)
# open office is looking for the following
devices_get_direct_rendering_interface_attributes($1_t)
devices_ignore_use_direct_rendering_interface($1_t)
filesystem_get_all_filesystems_quotas($1_t)
filesystem_get_all_filesystems_attributes($1_t)
# for eject
storage_get_fixed_disk_attributes($1_t)
authlogin_read_login_records($1_t)
authlogin_ignore_write_login_records($1_t)
authlogin_pam_transition_add_role_use_terminal($1_t,$1_r,{ $1_tty_device_t $1_devpts_t })
authlogin_utempter_transition_add_role_use_terminal($1_t,$1_r,{ $1_tty_device_t $1_devpts_t })
corecommands_execute_general_programs($1_t)
corecommands_execute_system_programs($1_t)
domain_execute_all_entrypoint_programs($1_t)
domain_use_widely_inheritable_file_descriptors($1_t)
files_execute_system_config_script($1_t)
files_read_system_source_code($1_t)
# Caused by su - init scripts
init_script_ignore_use_pseudoterminal($1_t)
libraries_use_dynamic_loader($1_t)
libraries_use_shared_libraries($1_t)
libraries_execute_dynamic_loader($1_t)
libraries_execute_library_scripts($1_t)
logging_ignore_get_all_logs_attributes($1_t)
miscfiles_read_localization($1_t)
miscfiles_manage_man_page_cache($1_t)
selinux_newrole_transition_add_role_use_terminal($1_t,$1_r,{ $1_devpts_t $1_tty_device_t })
mta_modify_mail_spool($1_t)
if (allow_execmem) {
# Allow loading DSOs that require executable stack.
allow $1_t self:process execmem;
}
if (use_nfs_home_dirs) {
filesystem_manage_nfs_directories($1_t)
filesystem_manage_nfs_files($1_t)
filesystem_manage_nfs_symbolic_links($1_t)
filesystem_manage_nfs_named_sockets($1_t)
filesystem_manage_nfs_named_pipes($1_t)
filesystem_execute_nfs_files($1_t)
}
if (use_samba_home_dirs) {
filesystem_manage_windows_network_directories($1_t)
filesystem_manage_windows_network_files($1_t)
filesystem_manage_windows_network_symbolic_links($1_t)
filesystem_manage_windows_network_named_sockets($1_t)
filesystem_manage_windows_network_named_pipes($1_t)
filesystem_execute_windows_network_files($1_t)
}
if (user_direct_mouse) {
devices_get_mouse_input($1_t)
}
if (user_ttyfile_stat) {
terminal_get_all_private_physical_terminal_attributes($1_t)
}
ifdef(`TODO',`
# When the user domain runs ps, there will be a number of access
# denials when ps tries to search /proc. Do not audit these denials.
dontaudit $1_t domain:dir r_dir_perms;
dontaudit $1_t domain:notdevfile_class_set r_file_perms;
dontaudit $1_t domain:process { getattr getsession };
#
# Cups daemon running as user tries to write /etc/printcap
#
dontaudit $1_t usr_t:file setattr;
# Access the power device.
allow $1_t power_device_t:chr_file { getattr read write ioctl };
# Check to see if cdrom is mounted
allow $1_t mnt_t:dir { getattr search };
#
# Added to allow reading of cdrom
#
allow $1_t rpc_pipefs_t:dir getattr;
allow $1_t nfsd_fs_t:dir getattr;
allow $1_t binfmt_misc_fs_t:dir getattr;
# /initrd is left mounted, various programs try to look at it
dontaudit $1_t ramfs_t:dir getattr;
if (read_default_t) {
allow $1_t default_t:dir r_dir_perms;
allow $1_t default_t:notdevfile_class_set r_file_perms;
}
#
# Running ifconfig as a user generates the following
#
dontaudit $1_t sysctl_net_t:dir search;
dontaudit $1_t default_context_t:dir search;
r_dir_file($1_t, usercanread)
can_ypbind($1_t)
if (allow_execmod) {
# Allow text relocations on system shared libraries, e.g. libGL.
allow $1_t texrel_shlib_t:file execmod;
}
allow $1_t fs_type:dir getattr;
# old "file_browse_domain":
# Regular files/directories that are not security sensitive
dontaudit $1_t file_type - secure_file_type:dir_file_class_set getattr;
dontaudit $1_t file_type - secure_file_type:dir { read search };
# /dev
dontaudit $1_t dev_fs:dir_file_class_set getattr;
dontaudit $1_t dev_fs:dir { read search };
# /proc
dontaudit $1_t sysctl_t:dir_file_class_set getattr;
dontaudit $1_t proc_fs:dir { read search };
allow $1_t autofs_t:dir { search getattr };
can_exec($1_t, { removable_t noexattrfile } )
if (user_rw_noexattrfile) {
create_dir_file($1_t, noexattrfile)
create_dir_file($1_t, removable_t)
# Write floppies
allow $1_t removable_device_t:blk_file rw_file_perms;
allow $1_t usbtty_device_t:chr_file write;
} else {
r_dir_file($1_t, noexattrfile)
r_dir_file($1_t, removable_t)
allow $1_t removable_device_t:blk_file r_file_perms;
}
allow $1_t usbtty_device_t:chr_file read;
# GNOME checks for usb and other devices
rw_dir_file($1_t,usbfs_t)
can_exec($1_t, noexattrfile)
# for running TeX programs
r_dir_file($1_t, tetex_data_t)
can_exec($1_t, tetex_data_t)
type $1_tmpfs_t, file_type, sysadmfile, tmpfsfile;
file_type_auto_trans($1_t, tmpfs_t, $1_tmpfs_t)
allow $1_tmpfs_t tmpfs_t:filesystem associate;
# Run programs developed by other users in the same domain.
can_resmgrd_connect($1_t)
can_ypbind($1_t)
allow $1_t var_lock_t:dir search;
# Grant permissions to access the system DBus
ifdef(`dbusd.te', `
dbusd_client(system, $1)
can_network_server_tcp($1_dbusd_t)
allow $1_dbusd_t reserved_port_t:tcp_socket name_bind;
allow $1_t system_dbusd_t:dbus { send_msg acquire_svc };
dbusd_client($1, $1)
allow $1_t $1_dbusd_t:dbus { send_msg acquire_svc };
dbusd_domain($1)
ifdef(`hald.te', `
allow $1_t hald_t:dbus send_msg;
allow hald_t $1_t:dbus send_msg;
') dnl end ifdef hald.te
') dnl end ifdef dbus.te
# Gnome pannel binds to the following
ifdef(`cups.te', `
allow $1_t { cupsd_etc_t cupsd_rw_etc_t }:file { read getattr };
')
# Connect to inetd.
ifdef(`inetd.te', `
can_tcp_connect($1_t, inetd_t)
can_udp_send($1_t, inetd_t)
can_udp_send(inetd_t, $1_t)
')
# Connect to portmap.
ifdef(`portmap.te', `can_tcp_connect($1_t, portmap_t)')
# Inherit and use sockets from inetd
ifdef(`inetd.te', `
allow $1_t inetd_t:fd use;
allow $1_t inetd_t:tcp_socket rw_stream_socket_perms;
')
ifdef(`xserver.te', `
# for /tmp/.ICE-unix
file_type_auto_trans($1_t, xdm_xserver_tmp_t, $1_tmp_t, sock_file)
allow $1_t xserver_misc_device_t:{ chr_file blk_file } rw_file_perms;
')
ifdef(`xdm.te', `
# Connect to the X server run by the X Display Manager.
can_unix_connect($1_t, xdm_t)
allow $1_t xdm_tmp_t:sock_file rw_file_perms;
allow $1_t xdm_tmp_t:dir r_dir_perms;
allow $1_t xdm_tmp_t:file { getattr read };
allow $1_t xdm_xserver_tmp_t:sock_file { read write };
allow $1_t xdm_xserver_tmp_t:dir search;
allow $1_t xdm_xserver_t:unix_stream_socket connectto;
# certain apps want to read xdm.pid file
r_dir_file($1_t, xdm_var_run_t)
allow $1_t xdm_var_lib_t:file { getattr read };
allow xdm_t $1_home_dir_t:dir getattr;
ifdef(`xauth.te', `
file_type_auto_trans(xdm_t, $1_home_dir_t, $1_xauth_home_t, file)
')
# for shared memory
allow xdm_xserver_t $1_tmpfs_t:file { read write };
')dnl end ifdef xdm.te
ifdef(`rpcd.te', `
create_dir_file($1_t, nfsd_rw_t)
')
ifdef(`cardmgr.te', `
# to allow monitoring of pcmcia status
allow $1_t cardmgr_var_run_t:file { getattr read };
')
#
# Allow graphical boot to check battery lifespan
#
ifdef(`apmd.te', `
allow $1_t apmd_t:unix_stream_socket connectto;
allow $1_t apmd_var_run_t:sock_file write;
')
ifdef(`automount.te', `
allow $1_t autofs_t:dir { search getattr };
')
ifdef(`pamconsole.te', `
allow $1_t pam_var_console_t:dir search;
')
') dnl endif TODO
')dnl end base_user_domain macro
########################################
#
# User domain template
#
define(`user_domain_template', `
##############################
#
# Declarations
#
# Inherit rules for ordinary users.
base_user_domain($1)
typeattribute $1_t unpriv_userdomain; #, web_client_domain, nscd_client_domain;
domain_make_domain($1_t)
domain_make_file_descriptors_widely_inheritable($1_t)
type $1_devpts_t; # userpty_type, user_tty_type;
terminal_make_user_pseudoterminal($1_t,$1_devpts_t)
# Type for home directory.
type $1_home_dir_t, home_dir_type, home_type; #, user_home_dir_type;
files_make_file($1_home_dir_t)
# Type for files and directories in the home directory
type $1_home_t, $1_file_type, home_type; #, user_home_type;
files_make_file($1_home_t)
type $1_tmp_t, $1_file_type; #, user_tmpfile
files_make_temporary_file($1_tmp_t)
type $1_tty_device_t; #, sysadmfile, ttyfile, user_tty_type, dev_fs;
terminal_make_physical_terminal($1_t,$1_tty_device_t)
##############################
#
# Local policy
#
allow $1_t $1_devpts_t:chr_file { setattr ioctl read getattr lock write append };
terminal_create_private_pseudoterminal($1_t,$1_devpts_t)
# Rules used to associate a homedir as a mountpoint
allow $1_home_t self:filesystem associate;
allow $1_file_type $1_home_t:filesystem associate;
# user temporary files
allow $1_t $1_tmp_t:file { create ioctl read getattr lock write setattr append link unlink rename };
allow $1_t $1_tmp_t:lnk_file { create read getattr setattr link unlink rename };
allow $1_t $1_tmp_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir };
allow $1_t $1_tmp_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename };
allow $1_t $1_tmp_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename };
files_create_private_tmp_data($1_t, $1_tmp_t, { file lnk_file dir sock_file fifo_file })
# privileged home directory writers
allow privhome $1_home_t:file { create ioctl read getattr lock write setattr append link unlink rename };
allow privhome $1_home_t:lnk_file { create read getattr setattr link unlink rename };
allow privhome $1_home_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir };
allow privhome $1_home_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename };
allow privhome $1_home_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename };
type_transition privhome $1_home_dir_t:{ file lnk_file dir sock_file fifo_file } $1_home_t;
kernel_read_system_state($1_t)
kernel_read_network_state($1_t)
kernel_read_hardware_state($1_t)
# cjp: why?
bootloader_read_kernel_symbol_table($1_t)
# port access is audited even if dac would not have allowed it, so dontaudit it here
corenetwork_ignore_bind_tcp_on_all_reserved_ports($1_t)
files_read_general_system_config($1_t)
files_list_home_directories($1_t)
files_read_general_application_resources($1_t)
init_script_read_runtime_data($1_t)
# The library functions always try to open read-write first,
# then fall back to read-only if it fails.
init_script_ignore_write_runtime_data($1_t)
# Stop warnings about access to /dev/console
init_ignore_use_file_descriptors($1_t)
init_script_ignore_use_file_descriptors($1_t)
miscfiles_read_man_pages($1_t)
selinux_read_config($1_t)
# Allow users to execute checkpolicy without a domain transition
# so it can be used without privilege to write real binary policy file
selinux_checkpolicy_execute($1_t)
if (user_dmesg) {
kernel_read_ring_buffer($1_t)
} else {
kernel_ignore_read_ring_buffer($1_t)
}
# Allow users to run TCP servers (bind to ports and accept connection from
# the same domain and outside users) disabling this forces FTP passive mode
# and may change other protocols
if (user_tcp_server) {
corenetwork_bind_tcp_on_general_port($1_t)
}
# for running depmod as part of the kernel packaging process
optional_policy(`modutils.te',`
modutils_read_kernel_module_loading_config($1_t)
')
optional_policy(`selinux.te',`
# for when the network connection is killed
selinux_newrole_ignore_signal($1_t)
')
# Need the following rule to allow users to run vpnc
optional_policy(`xserver.te', `
corenetwork_bind_tcp_on_xserver_port($1_t)
')
ifdef(`TODO',`
dontaudit $1_t boot_t:lnk_file read;
dontaudit $1_t boot_t:file read;
can_kerberos($1_t)
# do not audit read on disk devices
dontaudit $1_t { removable_device_t fixed_disk_device_t }:blk_file read;
ifdef(`xdm.te', `
allow xdm_t $1_home_t:lnk_file read;
allow xdm_t $1_home_t:dir search;
#
# Changing this to dontaudit should cause the .xsession-errors file to be written to /tmp
#
dontaudit xdm_t $1_home_t:file rw_file_perms;
')dnl end ifdef xdm.te
ifdef(`ftpd.te', `
if (ftp_home_dir) {
file_type_auto_trans(ftpd_t, $1_home_dir_t, $1_home_t)
}
')dnl end ifdef ftpd
if (read_default_t) {
allow $1 default_t:dir r_dir_perms;
allow $1 default_t:notdevfile_class_set r_file_perms;
}
can_exec($1_t, usr_t)
# Read directories and files with the readable_t type.
# This type is a general type for "world"-readable files.
allow $1_t readable_t:dir r_dir_perms;
allow $1_t readable_t:notdevfile_class_set r_file_perms;
# Stat lost+found.
allow $1_t lost_found_t:dir getattr;
# Read /var, /var/spool, /var/run.
allow $1_t var_t:dir r_dir_perms;
allow $1_t var_t:notdevfile_class_set r_file_perms;
allow $1_t var_spool_t:dir r_dir_perms;
allow $1_t var_spool_t:notdevfile_class_set r_file_perms;
allow $1_t var_run_t:dir r_dir_perms;
allow $1_t var_run_t:{ file lnk_file } r_file_perms;
allow $1_t var_lib_t:dir r_dir_perms;
allow $1_t var_lib_t:file { getattr read };
# Allow users to rw usb devices
if (user_rw_usb) {
rw_dir_create_file($1_t,usbdevfs_t)
} else {
r_dir_file($1_t,usbdevfs_t)
}
# Do not audit write denials to /etc/ld.so.cache.
dontaudit $1_t ld_so_cache_t:file write;
dontaudit $1_t sysadm_home_t:file { read append };
ifdef(`syslogd.te', `
# Some programs that are left in $1_t will try to connect
# to syslogd, but we do not want to let them generate log messages.
# Do not audit.
dontaudit $1_t devlog_t:sock_file { read write };
dontaudit $1_t syslogd_t:unix_dgram_socket sendto;
')
allow $1_t initrc_t:fifo_file write;
ifdef(`user_can_mount', `
#
# Allow users to mount file systems like floppies and cdrom
#
mount_domain($1, $1_mount, `, fs_domain')
r_dir_file($1_t, mnt_t)
allow $1_mount_t device_t:lnk_file read;
allow $1_mount_t removable_device_t:blk_file read;
allow $1_mount_t iso9660_t:filesystem relabelfrom;
allow $1_mount_t removable_t:filesystem { mount relabelto };
allow $1_mount_t removable_t:dir mounton;
ifdef(`xdm.te', `
allow $1_mount_t xdm_t:fd use;
allow $1_mount_t xdm_t:fifo_file { read write };
')
')
') dnl end TODO
')
########################################
#
# Admin domain template
#
define(`admin_domain_template',`
##############################
#
# Declarations
#
# Inherit rules for ordinary users.
base_user_domain($1)
typeattribute $1_t privhome; #, admin, web_client_domain, nscd_client_domain;
kernel_make_object_identity_change_constraint_exception($1_t)
domain_make_domain($1_t)
role system_r types $1_t;
#ifdef(`direct_sysadm_daemon', `, priv_system_role')
#; dnl end of sysadm_t type declaration
# Type and access for pty devices.
type $1_devpts_t, admin_terminal;
terminal_make_pseudoterminal($1_devpts_t)
type $1_home_t, $1_file_type; #, home_type;
files_make_file($1_home_t)
type $1_home_dir_t; #, home_dir_type, home_type;
files_make_file($1_home_t)
type $1_tmp_t, $1_file_type;
files_make_temporary_file($1_tmp_t)
type $1_tty_device_t, admin_terminal;
terminal_make_physical_terminal($1_t,$1_tty_device_t)
##############################
#
# $1_t local policy
#
allow $1_t self:capability ~sys_module;
allow $1_t self:process { setexec setfscreate };
# Set password information for other users.
allow $1_t self:passwd { passwd chfn chsh };
# Skip authentication when pam_rootok is specified.
allow $1_t self:passwd rootok;
# Manipulate other users crontab.
allow $1_t self:passwd crontab;
# for the administrator to run TCP servers directly
allow $1_t self:tcp_socket { acceptfrom connectto recvfrom };
allow $1_t $1_devpts_t:chr_file { setattr ioctl read getattr lock write append };
terminal_create_private_pseudoterminal($1_t,$1_devpts_t)
allow $1_t $1_tmp_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir };
allow $1_t $1_tmp_t:file { create ioctl read getattr lock write setattr append link unlink rename };
allow $1_t $1_tmp_t:lnk_file { create ioctl read getattr lock write setattr append link unlink rename };
allow $1_t $1_tmp_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename };
allow $1_t $1_tmp_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename };
files_create_private_tmp_data($1_t, $1_tmp_t, { file dir lnk_file sock_file fifo_file })
kernel_read_system_state($1_t)
kernel_read_network_state($1_t)
kernel_read_software_raid_state($1_t)
kernel_get_core_interface_attributes($1_t)
kernel_get_message_interface_attributes($1_t)
kernel_change_ring_buffer_level($1_t)
kernel_clear_ring_buffer($1_t)
kernel_read_ring_buffer($1_t)
kernel_get_sysvipc_info($1_t)
kernel_modify_all_sysctl($1_t)
kernel_set_selinux_enforcement_mode($1_t)
kernel_set_selinux_boolean($1_t)
kernel_set_selinux_security_parameters($1_t)
# Get security policy decisions:
kernel_get_selinuxfs_mount_point($1_t)
kernel_validate_selinux_context($1_t)
kernel_compute_selinux_access_vector($1_t)
kernel_compute_selinux_create_context($1_t)
kernel_compute_selinux_relabel_context($1_t)
kernel_compute_selinux_reachable_user_contexts($1_t)
corenetwork_bind_tcp_on_general_port($1_t)
devices_get_generic_block_device_attributes($1_t)
devices_get_generic_character_device_attributes($1_t)
devices_get_all_block_device_attributes($1_t)
devices_get_all_character_device_attributes($1_t)
filesystem_get_all_filesystems_attributes($1_t)
filesystem_set_all_filesystems_quotas($1_t)
storage_raw_read_removable_device($1_t)
storage_raw_write_removable_device($1_t)
terminal_use_console($1_t)
terminal_use_general_physical_terminal($1_t)
terminal_use_all_private_pseudoterminals($1_t)
terminal_use_all_private_physical_terminals($1_t)
# Manage almost all files
authlogin_manage_all_files_except_shadow($1_t)
# Relabel almost all files
authlogin_relabel_all_files_except_shadow($1_t)
domain_set_all_domains_priorities($1_t)
domain_read_all_domains_process_state($1_t)
files_execute_system_source_code_scripts($1_t)
init_use_control_channel($1_t)
logging_send_system_log_message($1_t)
modutils_insmod_transition($1_t)
selinux_read_config($1_t)
# The following rule is temporary until such time that a complete
# policy management infrastructure is in place so that an administrator
# cannot directly manipulate policy files with arbitrary programs.
selinux_manage_source_policy($1_t)
# Violates the goal of limiting write access to checkpolicy.
# But presently necessary for installing the file_contexts file.
selinux_manage_binary_policy($1_t)
optional_policy(`cron.te',`
cron_admin_template($1)
')
ifdef(`TODO',`
# Let admin stat the shadow file.
allow $1_t shadow_t:file getattr;
# for lsof
allow $1_t mtrr_device_t:file getattr;
# Send signals to all processes.
allow $1_t { domain unlabeled_t }:process signal_perms;
allow $1_t serial_device:chr_file setattr;
# allow setting up tunnels
allow $1_t tun_tap_device_t:chr_file rw_file_perms;
allow $1_t ptyfile:chr_file getattr;
# Run programs from staff home directories.
# Not ideal, but typical if users want to login as both sysadm_t or staff_t.
can_exec($1_t, staff_home_t)
# Run admin programs that require different permissions in their own domain.
# These rules were moved into the appropriate program domain file.
ifdef(`startx.te', `
ifdef(`xserver.te', `
# Create files in /tmp/.X11-unix with our X servers derived
# tmp type rather than user_xserver_tmp_t.
file_type_auto_trans($1_xserver_t, xserver_tmpfile, $1_xserver_tmp_t, sock_file)
')dnl end xserver.te
')dnl end startx.te
ifdef(`xdm.te', `
ifdef(`xauth.te', `
if (xdm_sysadm_login) {
allow xdm_t $1_home_t:lnk_file read;
allow xdm_t $1_home_t:dir search;
}
allow $1_t xdm_t:fifo_file rw_file_perms;
')dnl end ifdef xauth.te
')dnl end ifdef xdm.te
#
# A user who is authorized for sysadm_t may nonetheless have
# a home directory labeled with user_home_t if the user is expected
# to login in either user_t or sysadm_t. Hence, the derived domains
# for programs need to be able to access user_home_t.
#
# Allow our gph domain to write to .xsession-errors.
ifdef(`gnome-pty-helper.te', `
allow $1_gph_t user_home_dir_type:dir rw_dir_perms;
allow $1_gph_t user_home_type:file create_file_perms;
')
# for the administrator to run TCP servers directly
allow $1_t kernel_t:tcp_socket recvfrom;
# Connect data port to ftpd.
ifdef(`ftpd.te', `can_tcp_connect(ftpd_t, $1_t)')
# Connect second port to rshd.
ifdef(`rshd.te', `can_tcp_connect(rshd_t, $1_t)')
# Allow MAKEDEV to work
allow $1_t device_t:dir rw_dir_perms;
allow $1_t device_type:{ blk_file chr_file } { create unlink rename };
allow $1_t device_t:lnk_file { create read };
# for lsof
allow $1_t domain:socket_class_set getattr;
allow $1_t eventpollfs_t:file getattr;
') dnl endif TODO
')
########################################
## <interface name="userdomain_sysadm_shell_transition">
## <description>
## Execute a shell in the sysadm domain.
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## <infoflow type="write" weight="10"/>
## </interface>
#
define(`userdomain_sysadm_shell_transition',`
requires_block_template(`$0'_depend)
corecommands_shell_transition($1,sysadm_t)
')
define(`userdomain_sysadm_shell_transition_depend',`
type sysadm_t;
')
########################################
## <interface name="userdomain_use_admin_terminals">
## <description>
## Read and write administrative users
## physical and pseudo terminals.
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## <infoflow type="both" weight="10"/>
## </interface>
#
define(`userdomain_use_admin_terminals',`
requires_block_template(`$0'_depend)
devices_list_device_nodes($1)
terminal_list_pseudoterminals($1)
allow $1 admin_terminal:chr_file { getattr read write ioctl };
')
define(`userdomain_use_admin_terminals_depend',`
attribute admin_terminal;
class chr_file { getattr read write ioctl };
')
########################################
## <interface name="userdomain_read_all_users_data">
## <description>
## Inherit the file descriptors from all user domains
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## <infoflow type="read" weight="1"/>
## </interface>
#
define(`userdomain_read_all_users_data',`
requires_block_template(`$0'_depend)
files_list_home_directories($1)
allow $1 home_type:dir { getattr search read };
allow $1 home_type:file { getattr read };
')
define(`userdomain_read_all_users_data_depend',`
attribute home_type;
class dir { getattr search read };
class file { getattr read };
')
########################################
## <interface name="userdomain_use_all_users_file_descriptors">
## <description>
## Inherit the file descriptors from all user domains
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## <infoflow type="read" weight="1"/>
## </interface>
#
define(`userdomain_use_all_users_file_descriptors',`
requires_block_template(`$0'_depend)
allow $1 userdomain:fd use;
')
define(`userdomain_use_all_users_file_descriptors_depend',`
attribute userdomain;
class fd use;
')
########################################
## <interface name="userdomain_use_all_unprivileged_users_file_descriptors">
## <description>
## Inherit the file descriptors from all user domains.
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## <infoflow type="read" weight="1"/>
## </interface>
#
define(`userdomain_use_all_unprivileged_users_file_descriptors',`
requires_block_template(`$0'_depend)
allow $1 unpriv_userdomain:fd use;
')
define(`userdomain_use_all_unprivileged_users_file_descriptors_depend',`
attribute unpriv_userdomain;
class fd use;
')
########################################
## <interface name="userdomain_ignore_use_all_unprivileged_users_file_descriptors">
## <description>
## Do not audit attempts to inherit the
## file descriptors from all user domains.
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## <infoflow type="read" weight="1"/>
## </interface>
#
define(`userdomain_ignore_use_all_unprivileged_users_file_descriptors',`
requires_block_template(`$0'_depend)
dontaudit $1 unpriv_userdomain:fd use;
')
define(`userdomain_ignore_use_all_unprivileged_users_file_descriptors_depend',`
attribute unpriv_userdomain;
class fd use;
')
## </module>