186 lines
6.0 KiB
Plaintext
186 lines
6.0 KiB
Plaintext
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policy_module(lvm,1.0)
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########################################
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#
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# Declarations
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#
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type lvm_t;
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type lvm_exec_t;
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init_make_system_domain(lvm_t,lvm_exec_t)
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# needs privowner because it assigns the identity system_u to device nodes
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# but runs as the identity of the sysadmin
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kernel_make_object_identity_change_constraint_exception(lvm_t)
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role system_r types lvm_t;
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type lvm_etc_t;
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files_make_file(lvm_etc_t)
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type lvm_lock_t;
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files_make_lock_file(lvm_lock_t)
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type lvm_metadata_t;
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files_make_file(lvm_metadata_t)
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type lvm_tmp_t;
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files_make_temporary_file(lvm_tmp_t)
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########################################
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#
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# Local policy
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#
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# DAC overrides and mknod for modifying /dev entries (vgmknodes)
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allow lvm_t self:capability { dac_override ipc_lock sys_admin sys_nice mknod };
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dontaudit lvm_t self:capability sys_tty_config;
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allow lvm_t self:process { sigchld sigkill sigstop signull signal };
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# LVM will complain a lot if it cannot set its priority.
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allow lvm_t self:process setsched;
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allow lvm_t self:file { read getattr lock ioctl };
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allow lvm_t self:fifo_file { ioctl read getattr lock write append };
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allow lvm_t self:unix_dgram_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown };
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allow lvm_t lvm_tmp_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir };
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allow lvm_t lvm_tmp_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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files_create_private_tmp_data(lvm_t, lvm_tmp_t, { file dir })
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# /lib/lvm-<version> holds the actual LVM binaries (and symlinks)
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allow lvm_t lvm_exec_t:dir search;
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allow lvm_t lvm_exec_t:{ file lnk_file } { read getattr lock ioctl };
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# LVM is split into many individual binaries
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allow lvm_t lvm_exec_t:file { getattr read execute execute_no_trans };
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# Creating lock files
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allow lvm_t lvm_lock_t:dir { read getattr lock search ioctl add_name remove_name write };
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allow lvm_t lvm_lock_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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files_create_private_lock_file(lvm_t,lvm_lock_t)
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allow lvm_t lvm_etc_t:file { read getattr lock ioctl };
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allow lvm_t lvm_etc_t:lnk_file { getattr read };
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# Write to /etc/lvm, /etc/lvmtab, /etc/lvmtab.d
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allow lvm_t lvm_etc_t:dir { read getattr lock search ioctl add_name remove_name write };
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allow lvm_t lvm_metadata_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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allow lvm_t lvm_metadata_t:dir { read getattr lock search ioctl add_name remove_name write };
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type_transition lvm_t lvm_etc_t:file lvm_metadata_t;
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files_create_private_config(lvm_t,lvm_metadata_t,file)
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kernel_read_system_state(lvm_t)
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kernel_get_selinuxfs_mount_point(lvm_t)
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kernel_validate_selinux_context(lvm_t)
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kernel_compute_selinux_access_vector(lvm_t)
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kernel_compute_selinux_create_context(lvm_t)
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kernel_compute_selinux_relabel_context(lvm_t)
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kernel_compute_selinux_reachable_user_contexts(lvm_t)
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kernel_read_kernel_sysctl(lvm_t)
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kernel_read_hardware_state(lvm_t)
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# Read /sys/block. Device mapper metadata is kept there.
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kernel_read_hardware_state(sysfs_t)
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# Read system variables in /proc/sys
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kernel_read_kernel_sysctl(lvm_t)
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# it has no reason to need this
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kernel_ignore_get_core_interface_attributes(lvm_t)
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devices_add_generic_character_device(lvm_t)
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devices_get_random_data(lvm_t)
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devices_get_pseudorandom_data(lvm_t)
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devices_use_lvm_control_channel(lvm_t)
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devices_manage_dev_symbolic_links(lvm_t)
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devices_manage_generic_block_device(lvm_t)
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# LVM (vgscan) scans for devices by stating every file in /dev and applying a regex...
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devices_ignore_get_all_character_device_attributes(lvm_t)
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devices_ignore_get_all_block_device_attributes(lvm_t)
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devices_ignore_get_generic_character_device_attributes(lvm_t)
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devices_ignore_get_generic_block_device_attributes(lvm_t)
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devices_ignore_get_generic_pipe_attributes(lvm_t)
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terminal_ignore_get_all_private_physical_terminal_attributes(lvm_t)
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filesystem_get_persistent_filesystem_attributes(lvm_t)
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# LVM creates block devices in /dev/mapper or /dev/<vg>
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# depending on its version
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# LVM(2) needs to create directores (/dev/mapper, /dev/<vg>)
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# and links from /dev/<vg> to /dev/mapper/<vg>-<lv>
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storage_create_fixed_disk_dev_entry(lvm_t)
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# Access raw devices and old /dev/lvm (c 109,0). Is this needed?
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storage_manage_fixed_disk(lvm_t)
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corecommands_search_system_programs_directory(lvm_t)
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corecommands_ignore_get_system_programs_attributes(lvm_t)
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domain_use_widely_inheritable_file_descriptors(lvm_t)
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files_search_system_state_data_directory(lvm_t)
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files_read_general_system_config(lvm_t)
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files_read_runtime_system_config(lvm_t)
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# for when /usr is not mounted:
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files_ignore_search_isid_type_dir(lvm_t)
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init_use_file_descriptors(lvm_t)
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init_ignore_get_control_channel_attributes(lvm_t)
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init_script_use_pseudoterminal(lvm_t)
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libraries_use_dynamic_loader(lvm_t)
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libraries_use_shared_libraries(lvm_t)
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logging_send_system_log_message(lvm_t)
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miscfiles_read_localization(lvm_t)
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selinux_read_config(lvm_t)
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selinux_read_file_contexts(lvm_t)
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selinux_newrole_sigchld(lvm_t)
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tunable_policy(`distro_redhat',`
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# this is from the initrd:
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files_modify_isid_type_dir(lvm_t)
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')
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tunable_policy(`targeted_policy', `
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terminal_ignore_use_general_physical_terminal(lvm_t)
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terminal_ignore_use_general_pseudoterminal(lvm_t)
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files_ignore_read_rootfs_file(lvm_t)
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')
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optional_policy(`bootloader.te',`
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bootloader_modify_temporary_data(lvm_t)
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')
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optional_policy(`udev.te', `
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udev_read_database(lvm_t)
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')
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ifdef(`TODO',`
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allow lvm_t autofs_t:dir { search getattr };
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allow lvm_t default_context_t:dir search;
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allow lvm_t fixed_disk_device_t:blk_file { relabelfrom relabelto };
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# cjp: ? this has no effect since LVM does not
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# have lnk_file relabelto for anything else.
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allow lvm_t device_t:lnk_file { relabelfrom relabelto };
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dontaudit lvm_t var_run_t:dir getattr;
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optional_policy(`gnome-pty-helper.te', `
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allow lvm_t sysadm_gph_t:fd use;
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')
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optional_policy(`gpm.te', `
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dontaudit lvm_t gpmctl_t:sock_file getattr;
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')
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optional_policy(`rhgb.te', `
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allow $1_t rhgb_t:process sigchld;
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allow $1_t rhgb_t:fd use;
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allow $1_t rhgb_t:fifo_file { read write };
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')
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') dnl end TODO
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