policy_module(fstools)

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

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

type fsadm_log_t;
logging_log_file(fsadm_log_t)

type fsadm_tmp_t;
files_tmp_file(fsadm_tmp_t)

type fsadm_run_t;
files_runtime_file(fsadm_run_t)

type swapfile_t; # customizable
files_type(swapfile_t)

ifdef(`distro_gentoo',`
	type fsadm_db_t;
	files_type(fsadm_db_t)
')

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

# ipc_lock is for losetup
allow fsadm_t self:capability { dac_override dac_read_search ipc_lock sys_admin sys_rawio sys_resource sys_tty_config };
dontaudit fsadm_t self:capability net_admin;
allow fsadm_t self:process { dyntransition execstack getattr getcap getpgid getrlimit getsched getsession noatsecure rlimitinh setcap setkeycreate setpgid setsched setsockcreate share siginh signal_perms transition };
allow fsadm_t self:fd use;
allow fsadm_t self:fifo_file rw_fifo_file_perms;
allow fsadm_t self:sock_file read_sock_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 { receive send };

can_exec(fsadm_t, fsadm_exec_t)

allow fsadm_t fsadm_tmp_t:dir manage_dir_perms;
allow fsadm_t fsadm_tmp_t:file manage_file_perms;
files_tmp_filetrans(fsadm_t, fsadm_tmp_t, { file dir })
# resize2fs will create a .ismount-test-file temp file
# in the root of a filesystem to resize
files_root_filetrans(fsadm_t, fsadm_tmp_t, file)

allow fsadm_t fsadm_run_t:dir manage_dir_perms;
allow fsadm_t fsadm_run_t:file manage_file_perms;
files_runtime_filetrans(fsadm_t, fsadm_run_t, dir)

# log files
allow fsadm_t fsadm_log_t:dir setattr;
manage_files_pattern(fsadm_t, fsadm_log_t, fsadm_log_t)
logging_log_filetrans(fsadm_t, fsadm_log_t, file)

# Enable swapping to files
allow fsadm_t swapfile_t:file rw_file_perms;

kernel_read_system_state(fsadm_t)
kernel_read_kernel_sysctls(fsadm_t)
kernel_request_load_module(fsadm_t)
kernel_manage_unlabeled_dirs(fsadm_t)
# Allow console log change (updfstab)
kernel_change_ring_buffer_level(fsadm_t)
# mkreiserfs needs this
kernel_getattr_proc(fsadm_t)
kernel_getattr_core_if(fsadm_t)
# Access to /initrd devices
kernel_rw_unlabeled_dirs(fsadm_t)
kernel_rw_unlabeled_blk_files(fsadm_t)
kernel_read_unlabeled_files(fsadm_t)

corecmd_exec_bin(fsadm_t)
#RedHat bug #201164
corecmd_exec_shell(fsadm_t)
# cjp: these are probably not needed:
corecmd_read_bin_files(fsadm_t)
corecmd_read_bin_pipes(fsadm_t)
corecmd_read_bin_sockets(fsadm_t)

dev_getattr_all_chr_files(fsadm_t)
dev_dontaudit_getattr_all_blk_files(fsadm_t)
dev_dontaudit_getattr_generic_files(fsadm_t)
# mkreiserfs and other programs need this for UUID
dev_read_rand(fsadm_t)
dev_read_urand(fsadm_t)
dev_write_kmsg(fsadm_t)
# Recreate /dev/cdrom.
dev_manage_generic_symlinks(fsadm_t)
# fdisk needs this for early boot
dev_manage_generic_blk_files(fsadm_t)
# Access to /initrd devices
dev_search_usbfs(fsadm_t)
# for swapon
dev_rw_sysfs(fsadm_t)
# Access to /initrd devices
dev_getattr_usbfs_dirs(fsadm_t)
# Access to /dev/mapper/control
dev_rw_lvm_control(fsadm_t)
# for losetup
dev_rw_loop_control(fsadm_t)

domain_use_interactive_fds(fsadm_t)

files_getattr_boot_dirs(fsadm_t)
files_list_home(fsadm_t)
files_read_usr_files(fsadm_t)
files_read_etc_files(fsadm_t)
files_manage_lost_found(fsadm_t)
# Write to /etc/mtab.
files_manage_etc_runtime_files(fsadm_t)
files_etc_filetrans_etc_runtime(fsadm_t, file)

fs_getattr_cgroup(fsadm_t)
fs_getattr_dos_fs(fsadm_t)
fs_rw_all_image_files(fsadm_t)
fs_search_auto_mountpoints(fsadm_t)
fs_getattr_xattr_fs(fsadm_t)
fs_rw_ramfs_pipes(fsadm_t)
fs_rw_tmpfs_files(fsadm_t)
# remount file system to apply changes
fs_remount_xattr_fs(fsadm_t)
# for /dev/shm
fs_list_auto_mountpoints(fsadm_t)
fs_search_tmpfs(fsadm_t)
fs_getattr_tmpfs_dirs(fsadm_t)
fs_read_tmpfs_symlinks(fsadm_t)
# for kubernetes if kubelet calls losetup
fs_ioctl_cgroup_dirs(fsadm_t)
# for fstrim
files_manage_boot_dirs(fsadm_t)
# Recreate /mnt/cdrom.
files_manage_mnt_dirs(fsadm_t)
# for tune2fs
files_search_all(fsadm_t)

mls_file_read_all_levels(fsadm_t)
mls_file_write_all_levels(fsadm_t)

selinux_getattr_fs(fsadm_t)

storage_dev_filetrans_fixed_disk(fsadm_t, chr_file, "megaraid_sas_ioctl_node")
storage_manage_fixed_disk(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)

term_use_console(fsadm_t)

init_use_fds(fsadm_t)
init_use_script_ptys(fsadm_t)
init_dontaudit_getattr_initctl(fsadm_t)
# for systemd-fsckd to access /proc/1/environ
init_read_state(fsadm_t)
init_rw_script_stream_sockets(fsadm_t)

logging_send_syslog_msg(fsadm_t)

miscfiles_read_localization(fsadm_t)

# for /run/mount/utab
mount_read_runtime_files(fsadm_t)

seutil_read_config(fsadm_t)

userdom_use_user_terminals(fsadm_t)

ifdef(`distro_debian',`
	term_dontaudit_use_unallocated_ttys(fsadm_t)
')

ifdef(`distro_gentoo',`
	manage_files_pattern(fsadm_t, fsadm_db_t, fsadm_db_t)
')

ifdef(`distro_redhat',`
	optional_policy(`
		unconfined_domain(fsadm_t)
	')
')

optional_policy(`
	amanda_rw_dumpdates_files(fsadm_t)
	amanda_append_log_files(fsadm_t)
')

optional_policy(`
	cloudinit_rw_tmp_files(fsadm_t)
	cloudinit_create_tmp_files(fsadm_t)
')

optional_policy(`
	container_read_device_blk_files(fsadm_t)
')

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

optional_policy(`
	devicekit_read_runtime_files(fsadm_t)
	devicekit_append_inherited_log_files(fsadm_t)
')

optional_policy(`
	fsdaemon_read_lib(fsadm_t)
')

optional_policy(`
	livecd_rw_tmp_files(fsadm_t)
')

optional_policy(`
	modutils_read_module_config(fsadm_t)
	modutils_read_module_deps(fsadm_t)
')

optional_policy(`
	munin_rw_tcp_sockets(fsadm_t)
')

optional_policy(`
	mon_dontaudit_use_fds(fsadm_t)
')

optional_policy(`
	nis_use_ypbind(fsadm_t)
')

optional_policy(`
	fs_search_nfsd_fs(fsadm_t)
	fs_rw_nfsd_fs(fsadm_t)
	kernel_rw_rpc_sysctls(fsadm_t)
	rpc_manage_nfs_state_data(fsadm_t)
	rpc_read_exports(fsadm_t)
')

optional_policy(`
	# Xen causes losetup to run with a presumably accidentally inherited
	# file handle for /run/xen-hotplug/block
	udev_dontaudit_rw_runtime_files(fsadm_t)
')

optional_policy(`
	xen_append_log(fsadm_t)
	xen_rw_image_files(fsadm_t)
')
