From 3016a9ff9575329fc13f667c70cb04ca7aebc6f4 Mon Sep 17 00:00:00 2001 From: Chris PeBenito Date: Tue, 26 Apr 2005 21:12:52 +0000 Subject: [PATCH] initial commit --- refpolicy/policy/modules/system/mount.te | 159 +++++++++++++++++++++++ 1 file changed, 159 insertions(+) create mode 100644 refpolicy/policy/modules/system/mount.te diff --git a/refpolicy/policy/modules/system/mount.te b/refpolicy/policy/modules/system/mount.te new file mode 100644 index 00000000..fd8a76c0 --- /dev/null +++ b/refpolicy/policy/modules/system/mount.te @@ -0,0 +1,159 @@ +# Copyright (C) 2005 Tresys Technology, LLC + +type mount_t; +domain_make_domain(mount_t) +role system_r types mount_t; + +type mount_exec_t; +domain_make_entrypoint_file(mount_t,mount_exec_t) + +type mount_tmp_t; +files_make_file(mount_tmp_t) + +######################################## +# +# mount local policy +# + +allow mount_t self:capability { ipc_lock sys_rawio sys_admin dac_override chown }; + +allow mount_t mount_tmp_t:file { getattr create read setattr write setattr unlink }; +allow mount_t mount_tmp_t:dir { getattr search create read setattr write setattr unlink rmdir }; + +kernel_read_system_state(mount_t) + +devices_get_all_block_device_attributes(mount_t) +devices_list_device_nodes(mount_t) + +storage_raw_read_fixed_disk(mount_t) +storage_raw_write_fixed_disk(mount_t) +storage_raw_read_removable_device(mount_t) +storage_raw_write_removable_device(mount_t) + +filesystem_get_persistent_filesystem_attributes(mount_t) +filesystem_mount_all_filesystems(mount_t) +filesystem_unmount_all_filesystems(mount_t) +filesystem_remount_all_filesystems(mount_t) + +terminal_use_console(mount_t) + +files_search_all_directories(mount_t) +files_create_private_tmp_data(mount_t,mount_tmp_t,{ file dir }) +files_read_general_system_config(mount_t) +files_create_runtime_system_config(mount_t) + +libraries_use_dynamic_loader(mount_t) +libraries_read_shared_libraries(mount_t) + +# required for mount.smbfs +corecommands_execute_system_programs(mount_t) +corecommands_execute_general_programs(mount_t) + +logging_send_system_log_message(mount_t) + +miscfiles_read_localization(mount_t) + +ifdef(`TODO',` + +# Mount, remount and unmount file systems. +allow mount_t default_t:dir mounton; +allow mount_t file_t:dir mounton; +allow mount_t usr_t:dir mounton; +allow mount_t var_t:dir mounton; +allow mount_t proc_t:dir mounton; +allow mount_t root_t:dir mounton; +allow mount_t home_root_t:dir mounton; +allow mount_t tmp_t:dir mounton; +allow mount_t mnt_t:dir { mounton getattr }; +allow mount_t devpts_t:dir mounton; +allow mount_t usbdevfs_t:dir mounton; +allow mount_t sysfs_t:dir { mounton search }; +allow mount_t nfs_t:dir { mounton search }; +# nfsv4 has a filesystem to mount for its userspace daemons +allow mount_t var_lib_nfs_t:dir mounton; +allow mount_t boot_t:dir mounton; +allow mount_t device_t:dir mounton; +# mount binfmt_misc on /proc/sys/fs/binfmt_misc +allow mount_t sysctl_t:dir { mounton search }; +#TODO: Need macro for unmounting root filesystem +#allow mount_t root_t:filesystem unmount; + +allow mount_t initrc_devpts_t:chr_file { read write }; + +#domain_auto_trans(initrc_t, mount_exec_t, mount_t) + +# for localization +allow mount_t lib_t:file { getattr read }; + +# TODO: Need to examine this further. Not sure how to handle this +type sysadm_mount_source_t, file_type, sysadmfile, $1_file_type; +allow sysadm_t sysadm_mount_source_t:file create_file_perms; +allow sysadm_t sysadm_mount_source_t:file { relabelto relabelfrom }; +allow mount_t sysadm_mount_source_t:file rw_file_perms; + +# TODO: Examine these further; may need macros +allow mount_t init_t:fd use; +allow mount_t privfd:fd use; + +# TODO: Probably need a macro for reading/unlinking files +# for when /etc/mtab loses its type +allow mount_t file_t:file { getattr read unlink }; + +# TODO: Need macro for granting relabelto, relabelfrom +allow mount_t fs_t:filesystem relabelfrom; + +# This rule needs to be generalized. Only admin, initrc should have it. +allow mount_t file_type:filesystem { unmount mount relabelto }; + +allow mount_t userdomain:fd use; + +domain_auto_trans(sysadm_t, mount_exec_t, mount_t) +role sysadm_r types mount_t; +allow mount_t sysadm_tty_device_t:chr_file { getattr read write ioctl }; +allow mount_t sysadm_devpts_t:chr_file { getattr read write }; +ifdef(`gnome-pty-helper.te', ` +allow mount_t sysadm_gph_t:fd use; +') + +ifdef(`distro_redhat',` +ifdef(`pamconsole.te',` +r_dir_file($2_t,pam_var_console_t) +# mount config by default sets fscontext=removable_t +allow $2_t dosfs_t:filesystem relabelfrom; +') dnl end pamconsole.te +') dnl end distro_redhat + +# TODO: This macro contains an ifdef for rhgb.te +ifdef(`rhgb.te', ` +allow mount_t rhgb_t:process sigchld; +allow mount_t rhgb_t:fd use; +allow mount_t rhgb_t:fifo_file { read write }; +') + +ifdef(`distro_redhat', ` +allow mount_t tmpfs_t:chr_file { read write }; +allow mount_t tmpfs_t:dir mounton; +') + +ifdef(`automount.te', ` +allow mount_t autofs_t:dir read; +') + +ifdef(`portmap.te', ` +# for nfs +can_network(mount_t) +can_ypbind(mount_t) +corenetwork_bind_tcp_on_general_port(mount_t) +corenetwork_bind_udp_on_general_port(mount_t) +corenetwork_bind_tcp_on_reserved_port(mount_t) +corenetwork_bind_udp_on_reserved_port(mount_t) +can_udp_send(mount_t, portmap_t) +can_udp_send(portmap_t, mount_t) +allow mount_t rpc_pipefs_t:dir search; +') + +# Dontaudits +dontaudit mount_t reserved_port_type:{tcp_socket udp_socket} name_bind; +dontaudit mount_t kernel_t:fd use; + +') dnl endif TODO