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

policy_module(fstools,1.0)

########################################
#
# Declarations
#

type fsadm_t;
type fsadm_exec_t;
init_system_domain(fsadm_t,fsadm_exec_t)
role system_r types fsadm_t;

type fsadm_tmp_t;
files_tmp_file(fsadm_tmp_t)

type swapfile_t;
files_type(swapfile_t)

########################################
#
# local policy
#

# ipc_lock is for losetup
allow fsadm_t self:capability { ipc_lock sys_rawio sys_admin sys_tty_config };
allow fsadm_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem dyntransition };
allow fsadm_t self:fd use;
allow fsadm_t self:fifo_file rw_file_perms;
allow fsadm_t self:unix_dgram_socket create_socket_perms;
allow fsadm_t self:unix_stream_socket create_stream_socket_perms;
allow fsadm_t self:unix_dgram_socket sendto;
allow fsadm_t self:unix_stream_socket connectto;
allow fsadm_t self:shm create_shm_perms;
allow fsadm_t self:sem create_sem_perms;
allow fsadm_t self:msgq create_msgq_perms;
allow fsadm_t self:msg { send receive };

can_exec(fsadm_t, fsadm_exec_t)

allow fsadm_t fsadm_tmp_t:dir create_dir_perms;
allow fsadm_t fsadm_tmp_t:file create_file_perms;
files_create_tmp_files(fsadm_t, fsadm_tmp_t, { file dir })

# Enable swapping to files
allow fsadm_t swapfile_t:file { getattr swapon };

kernel_read_system_state(fsadm_t)
kernel_read_kernel_sysctl(fsadm_t)
# Allow console log change (updfstab)
kernel_change_ring_buffer_level(fsadm_t)

# mkreiserfs and other programs need this for UUID
dev_read_rand(fsadm_t)
dev_read_urand(fsadm_t)
# Recreate /dev/cdrom.
dev_manage_generic_symlinks(fsadm_t)
# Access to /initrd devices
dev_search_usbfs(fsadm_t)
# for swapon
dev_getattr_sysfs_dir(fsadm_t)
dev_search_sysfs(fsadm_t)

fs_search_auto_mountpoints(fsadm_t)
fs_getattr_xattr_fs(fsadm_t)
# remount file system to apply changes
fs_remount_xattr_fs(fsadm_t)

storage_raw_read_fixed_disk(fsadm_t)
storage_raw_write_fixed_disk(fsadm_t)
storage_raw_read_removable_device(fsadm_t)
storage_raw_write_removable_device(fsadm_t)
storage_read_scsi_generic(fsadm_t)
storage_swapon_fixed_disk(fsadm_t)

domain_use_wide_inherit_fd(fsadm_t)

files_list_home(fsadm_t)
files_read_usr_files(fsadm_t)
files_read_etc_files(fsadm_t)
files_list_mnt(fsadm_t)
files_manage_lost_found(fsadm_t)
# Write to /etc/mtab.
files_manage_etc_runtime_files(fsadm_t)
# Access to /initrd devices
files_rw_isid_type_dir(fsadm_t)
files_rw_isid_type_blk_node(fsadm_t)

init_use_fd(fsadm_t)
init_use_script_pty(fsadm_t)

libs_use_ld_so(fsadm_t)
libs_use_shared_libs(fsadm_t)

logging_send_syslog_msg(fsadm_t)

miscfiles_read_localization(fsadm_t)

modutils_read_module_conf(fsadm_t)

seutil_read_config(fsadm_t)

userdom_use_unpriv_users_fd(fsadm_t)

optional_policy(`cron.te',`
	# for smartctl cron jobs
	cron_system_entry(fsadm_t,fsadm_exec_t)
')

optional_policy(`nis.te',`
	nis_use_ypbind(fsadm_t)
')

ifdef(`TODO',`
# for /dev/shm
allow fsadm_t tmpfs_t:dir { getattr search };

allow fsadm_t bin_t:dir r_dir_perms;
allow fsadm_t bin_t:notdevfile_class_set r_file_perms;
allow fsadm_t sbin_t:dir r_dir_perms;
allow fsadm_t sbin_t:notdevfile_class_set r_file_perms;
if (read_default_t) {
allow fsadm_t default_t:dir r_dir_perms;
allow fsadm_t default_t:notdevfile_class_set r_file_perms;
}

# mkreiserfs needs this
allow fsadm_t proc_t:filesystem getattr;

allow fsadm_t file_t:dir { search read getattr rmdir create };

# Recreate /mnt/cdrom.
allow fsadm_t mnt_t:dir { rmdir create };

# Access terminals.
ifdef(`gnome-pty-helper.te', `allow fsadm_t sysadm_gph_t:fd use;')

# Access to /initrd devices
allow fsadm_t unlabeled_t:dir rw_dir_perms;
allow fsadm_t unlabeled_t:blk_file rw_file_perms;
allow fsadm_t usbfs_t:dir getattr;

') dnl end TODO