policy_module(lvm, 1.9.0)

########################################

#

# Declarations

#

type clvmd_t;

type clvmd_exec_t;

init_daemon_domain(clvmd_t,clvmd_exec_t)

type clvmd_var_run_t;

files_pid_file(clvmd_var_run_t)

type lvm_t;

type lvm_exec_t;

init_system_domain(lvm_t,lvm_exec_t)

# needs privowner because it assigns the identity system_u to device nodes

# but runs as the identity of the sysadmin

domain_obj_id_change_exemption(lvm_t)

role system_r types lvm_t;

type lvm_etc_t;

files_type(lvm_etc_t)

type lvm_lock_t;

files_lock_file(lvm_lock_t)

type lvm_metadata_t;

files_type(lvm_metadata_t)

type lvm_var_lib_t;

files_type(lvm_var_lib_t)

type lvm_var_run_t;

files_pid_file(lvm_var_run_t)

type lvm_tmp_t;

files_tmp_file(lvm_tmp_t)

########################################

#

# Cluster LVM daemon local policy

#

allow clvmd_t self:capability { sys_admin mknod };

dontaudit clvmd_t self:capability sys_tty_config;

allow clvmd_t self:process signal_perms;

dontaudit clvmd_t self:process ptrace;

allow clvmd_t self:socket create_socket_perms;

allow clvmd_t self:fifo_file rw_fifo_file_perms;

allow clvmd_t self:unix_stream_socket { connectto create_stream_socket_perms };

allow clvmd_t self:tcp_socket create_stream_socket_perms;

allow clvmd_t self:udp_socket create_socket_perms;

manage_files_pattern(clvmd_t,clvmd_var_run_t,clvmd_var_run_t)

files_pid_filetrans(clvmd_t,clvmd_var_run_t,file)

read_files_pattern(clvmd_t,lvm_metadata_t,lvm_metadata_t)

kernel_read_kernel_sysctls(clvmd_t)

kernel_read_system_state(clvmd_t)

kernel_list_proc(clvmd_t)

kernel_read_proc_symlinks(clvmd_t)

kernel_search_debugfs(clvmd_t)

kernel_dontaudit_getattr_core_if(clvmd_t)

corecmd_exec_shell(clvmd_t)

corecmd_getattr_bin_files(clvmd_t)

corenet_all_recvfrom_unlabeled(clvmd_t)

corenet_all_recvfrom_netlabel(clvmd_t)

corenet_tcp_sendrecv_all_if(clvmd_t)

corenet_udp_sendrecv_all_if(clvmd_t)

corenet_raw_sendrecv_all_if(clvmd_t)

corenet_tcp_sendrecv_all_nodes(clvmd_t)

corenet_udp_sendrecv_all_nodes(clvmd_t)

corenet_raw_sendrecv_all_nodes(clvmd_t)

corenet_tcp_sendrecv_all_ports(clvmd_t)

corenet_udp_sendrecv_all_ports(clvmd_t)

corenet_tcp_bind_all_nodes(clvmd_t)

corenet_tcp_bind_reserved_port(clvmd_t)

corenet_dontaudit_tcp_bind_all_reserved_ports(clvmd_t)

corenet_sendrecv_generic_server_packets(clvmd_t)

dev_read_sysfs(clvmd_t)

dev_manage_generic_chr_files(clvmd_t)

dev_rw_lvm_control(clvmd_t)

dev_dontaudit_getattr_all_blk_files(clvmd_t)

dev_dontaudit_getattr_all_chr_files(clvmd_t)

files_read_etc_files(clvmd_t)

files_list_usr(clvmd_t)

fs_getattr_all_fs(clvmd_t)

fs_search_auto_mountpoints(clvmd_t)

fs_dontaudit_list_tmpfs(clvmd_t)

fs_dontaudit_read_removable_files(clvmd_t)

storage_dontaudit_getattr_removable_dev(clvmd_t)

domain_use_interactive_fds(clvmd_t)

storage_raw_read_fixed_disk(clvmd_t)

auth_use_nsswitch(clvmd_t)

libs_use_ld_so(clvmd_t)

libs_use_shared_libs(clvmd_t)

logging_send_syslog_msg(clvmd_t)

miscfiles_read_localization(clvmd_t)

seutil_dontaudit_search_config(clvmd_t)

seutil_sigchld_newrole(clvmd_t)

userdom_dontaudit_use_unpriv_user_fds(clvmd_t)

sysadm_dontaudit_search_home_dirs(clvmd_t)

lvm_domtrans(clvmd_t)

lvm_read_config(clvmd_t)

optional_policy(`

	ccs_stream_connect(clvmd_t)

')

optional_policy(`

	gpm_dontaudit_getattr_gpmctl(clvmd_t)

')

optional_policy(`

	ricci_dontaudit_rw_modcluster_pipes(clvmd_t)

	ricci_dontaudit_use_modcluster_fds(clvmd_t)

')

optional_policy(`

	udev_read_db(clvmd_t)

')

########################################

#

# LVM Local policy

#

# DAC overrides and mknod for modifying /dev entries (vgmknodes)

# rawio needed for dmraid

allow lvm_t self:capability { dac_override fowner ipc_lock sys_admin sys_nice mknod chown sys_resource sys_rawio };

dontaudit lvm_t self:capability sys_tty_config;

allow lvm_t self:process { sigchld sigkill sigstop signull signal };

# LVM will complain a lot if it cannot set its priority.

allow lvm_t self:process setsched;

allow lvm_t self:file rw_file_perms;

allow lvm_t self:fifo_file rw_file_perms;

allow lvm_t self:unix_dgram_socket create_socket_perms;

allow lvm_t self:netlink_kobject_uevent_socket create_socket_perms;

allow lvm_t clvmd_t:unix_stream_socket connectto;

manage_dirs_pattern(lvm_t,lvm_tmp_t,lvm_tmp_t)

manage_files_pattern(lvm_t,lvm_tmp_t,lvm_tmp_t)

files_tmp_filetrans(lvm_t, lvm_tmp_t, { file dir })

# /lib/lvm-<version> holds the actual LVM binaries (and symlinks)

read_files_pattern(lvm_t,lvm_exec_t,lvm_exec_t)

read_lnk_files_pattern(lvm_t,lvm_exec_t,lvm_exec_t)

# LVM is split into many individual binaries

can_exec(lvm_t, lvm_exec_t)

# Creating lock files

manage_files_pattern(lvm_t,lvm_lock_t,lvm_lock_t)

files_lock_filetrans(lvm_t,lvm_lock_t,file)

manage_dirs_pattern(lvm_t,lvm_var_lib_t,lvm_var_lib_t)

manage_files_pattern(lvm_t,lvm_var_lib_t,lvm_var_lib_t)

files_var_lib_filetrans(lvm_t,lvm_var_lib_t,{ dir file })

manage_dirs_pattern(lvm_t,lvm_var_run_t,lvm_var_run_t)

manage_files_pattern(lvm_t,lvm_var_run_t,lvm_var_run_t)

manage_sock_files_pattern(lvm_t,lvm_var_run_t,lvm_var_run_t)

files_pid_filetrans(lvm_t,lvm_var_run_t,{ file sock_file })

read_files_pattern(lvm_t,lvm_etc_t,lvm_etc_t)

read_lnk_files_pattern(lvm_t,lvm_etc_t,lvm_etc_t)

# Write to /etc/lvm, /etc/lvmtab, /etc/lvmtab.d

manage_files_pattern(lvm_t,lvm_metadata_t,lvm_metadata_t)

filetrans_pattern(lvm_t,lvm_etc_t,lvm_metadata_t,file)

files_etc_filetrans(lvm_t,lvm_metadata_t,file)

kernel_read_system_state(lvm_t)

kernel_read_kernel_sysctls(lvm_t)

# Read system variables in /proc/sys

kernel_read_kernel_sysctls(lvm_t)

# it has no reason to need this

kernel_dontaudit_getattr_core_if(lvm_t)

selinux_get_fs_mount(lvm_t)

selinux_validate_context(lvm_t)

selinux_compute_access_vector(lvm_t)

selinux_compute_create_context(lvm_t)

selinux_compute_relabel_context(lvm_t)

selinux_compute_user_contexts(lvm_t)

dev_create_generic_chr_files(lvm_t)

dev_delete_generic_dirs(lvm_t)

dev_read_rand(lvm_t)

dev_read_urand(lvm_t)

dev_rw_lvm_control(lvm_t)

dev_manage_generic_symlinks(lvm_t)

dev_relabel_generic_dev_dirs(lvm_t)

dev_manage_generic_blk_files(lvm_t)

# Read /sys/block. Device mapper metadata is kept there.

dev_read_sysfs(lvm_t)

# cjp: this has no effect since LVM does not

# have lnk_file relabelto for anything else.

# perhaps this should be blk_files?

dev_relabel_generic_symlinks(lvm_t)

# LVM (vgscan) scans for devices by stating every file in /dev and applying a regex...

dev_dontaudit_read_all_chr_files(lvm_t)

dev_dontaudit_read_all_blk_files(lvm_t)

dev_dontaudit_getattr_generic_chr_files(lvm_t)

dev_dontaudit_getattr_generic_blk_files(lvm_t)

dev_dontaudit_getattr_generic_pipes(lvm_t)

dev_create_generic_dirs(lvm_t)

fs_getattr_xattr_fs(lvm_t)

fs_search_auto_mountpoints(lvm_t)

fs_list_tmpfs(lvm_t)

fs_read_tmpfs_symlinks(lvm_t)

fs_dontaudit_read_removable_files(lvm_t)

fs_dontaudit_getattr_tmpfs_files(lvm_t)

storage_relabel_fixed_disk(lvm_t)

storage_dontaudit_read_removable_device(lvm_t)

# LVM creates block devices in /dev/mapper or /dev/<vg>

# depending on its version

# LVM(2) needs to create directores (/dev/mapper, /dev/<vg>)

# and links from /dev/<vg> to /dev/mapper/<vg>-<lv>

# cjp: need create interface here for fixed disk create

storage_dev_filetrans_fixed_disk(lvm_t)

# Access raw devices and old /dev/lvm (c 109,0).  Is this needed?

storage_manage_fixed_disk(lvm_t)

term_getattr_all_user_ttys(lvm_t)

term_list_ptys(lvm_t)

corecmd_exec_bin(lvm_t)

corecmd_exec_shell(lvm_t)

domain_use_interactive_fds(lvm_t)

files_read_etc_files(lvm_t)

files_read_etc_runtime_files(lvm_t)

# for when /usr is not mounted:

files_dontaudit_search_isid_type_dirs(lvm_t)

init_use_fds(lvm_t)

init_dontaudit_getattr_initctl(lvm_t)

init_use_script_ptys(lvm_t)

libs_use_ld_so(lvm_t)

libs_use_shared_libs(lvm_t)

logging_send_syslog_msg(lvm_t)

miscfiles_read_localization(lvm_t)

seutil_read_config(lvm_t)

seutil_read_file_contexts(lvm_t)

seutil_search_default_contexts(lvm_t)

seutil_sigchld_newrole(lvm_t)

ifdef(`distro_redhat',`

	# this is from the initrd:

	files_rw_isid_type_dirs(lvm_t)

')

optional_policy(`

	bootloader_rw_tmp_files(lvm_t)

')

optional_policy(`

	ccs_stream_connect(lvm_t)

')

optional_policy(`

	gpm_dontaudit_getattr_gpmctl(lvm_t)

')

optional_policy(`

	udev_read_db(lvm_t)

')