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

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policy_module(modutils,1.0)
########################################
#
# Declarations
#
# module loading config
type modules_conf_t;
files_type(modules_conf_t)
# module dependencies
type modules_dep_t;
files_type(modules_dep_t)
type insmod_t;
type insmod_exec_t;
kernel_userland_entry(insmod_t,insmod_exec_t)
init_system_domain(insmod_t,insmod_exec_t)
mls_file_write_down(insmod_t)
role system_r types insmod_t;
type depmod_t;
type depmod_exec_t;
init_system_domain(depmod_t,depmod_exec_t)
role system_r types depmod_t;
type update_modules_t;
type update_modules_exec_t;
init_system_domain(update_modules_t,update_modules_exec_t)
role system_r types update_modules_t;
type update_modules_tmp_t;
files_tmp_file(update_modules_tmp_t)
########################################
#
# insmod local policy
#
allow insmod_t self:capability { dac_override net_raw sys_tty_config };
allow insmod_t self:process { execmem sigchld sigkill sigstop signull signal };
allow insmod_t self:udp_socket create_socket_perms;
allow insmod_t self:rawip_socket create_socket_perms;
# Read module config and dependency information
allow insmod_t { modules_conf_t modules_dep_t }:file r_file_perms;
can_exec(insmod_t, insmod_exec_t)
kernel_load_module(insmod_t)
kernel_read_system_state(insmod_t)
kernel_mount_debugfs(insmod_t)
kernel_read_debugfs(insmod_t)
# Rules for /proc/sys/kernel/tainted
kernel_read_kernel_sysctl(insmod_t)
kernel_rw_kernel_sysctl(insmod_t)
kernel_read_hotplug_sysctl(insmod_t)
bootloader_read_kernel_modules(insmod_t)
# for locking: (cjp: ????)
bootloader_write_kernel_modules(insmod_t)
dev_search_sysfs(insmod_t)
dev_search_usbfs(insmod_t)
dev_write_mtrr(insmod_t)
dev_read_urand(insmod_t)
dev_rw_agp_dev(insmod_t)
dev_read_snd_dev(insmod_t)
dev_write_snd_dev(insmod_t)
dev_rw_apm_bios(insmod_t)
# cjp: why is this needed? insmod cannot mounton any dir
# and it also transitions to mount
dev_mount_usbfs(insmod_t)
fs_getattr_xattr_fs(insmod_t)
corecmd_exec_bin(insmod_t)
corecmd_exec_sbin(insmod_t)
corecmd_exec_shell(insmod_t)
domain_signal_all_domains(insmod_t)
domain_use_wide_inherit_fd(insmod_t)
files_read_etc_runtime_files(insmod_t)
files_read_etc_files(insmod_t)
files_read_usr_files(insmod_t)
files_exec_etc_files(insmod_t)
# for nscd:
files_dontaudit_search_pids(insmod_t)
# for when /var is not mounted early in the boot:
files_dontaudit_search_isid_type_dir(insmod_t)
init_use_initctl(insmod_t)
init_use_fd(insmod_t)
init_use_script_fd(insmod_t)
init_use_script_pty(insmod_t)
libs_use_ld_so(insmod_t)
libs_use_shared_libs(insmod_t)
logging_send_syslog_msg(insmod_t)
logging_search_logs(insmod_t)
miscfiles_read_localization(insmod_t)
ifdef(`hide_broken_symptoms',`
dev_dontaudit_rw_cardmgr(insmod_t)
')
ifdef(`targeted_policy',`
unconfined_domain_template(insmod_t)
')
optional_policy(`hotplug.te',`
hotplug_search_config(insmod_t)
')
optional_policy(`mount.te',`
mount_domtrans(insmod_t)
')
optional_policy(`nis.te',`
nis_use_ypbind(insmod_t)
')
optional_policy(`nscd.te',`
nscd_use_socket(insmod_t)
')
optional_policy(`rpm.te',`
rpm_rw_pipe(insmod_t)
')
ifdef(`TODO',`
allow insmod_t proc_t:file rw_file_perms;
optional_policy(`xserver.te',`
xserver_getattr_log(insmod_t)
allow insmod_t xserver_misc_device_t:chr_file { read write };
')
')
########################################
#
# depmod local policy
#
can_exec(depmod_t, depmod_exec_t)
# Read conf.modules.
allow depmod_t modules_conf_t:file r_file_perms;
allow depmod_t modules_dep_t:file create_file_perms;
bootloader_create_modules(depmod_t,modules_dep_t)
kernel_read_system_state(depmod_t)
bootloader_read_kernel_symbol_table(depmod_t)
bootloader_read_kernel_modules(depmod_t)
fs_getattr_xattr_fs(depmod_t)
term_use_console(depmod_t)
corecmd_search_bin(depmod_t)
corecmd_search_sbin(depmod_t)
domain_use_wide_inherit_fd(depmod_t)
init_use_fd(depmod_t)
init_use_script_fd(depmod_t)
init_use_script_pty(depmod_t)
files_read_etc_runtime_files(depmod_t)
files_read_etc_files(depmod_t)
files_read_usr_src_files(depmod_t)
files_list_usr(depmod_t)
libs_use_ld_so(depmod_t)
libs_use_shared_libs(depmod_t)
# Read System.map from home directories.
files_list_home(depmod_t)
userdom_read_staff_home_files(depmod_t)
userdom_read_sysadm_home_files(depmod_t)
optional_policy(`rpm.te',`
rpm_rw_pipe(depmod_t)
')
ifdef(`TODO',`
allow depmod_t modules_object_t:file unlink;
ifdef(`gnome-pty-helper.te', `allow depmod_t sysadm_gph_t:fd use;')
') dnl end ifdef TODO
#################################
#
# update-modules local policy
#
allow update_modules_t self:fifo_file rw_file_perms;
allow update_modules_t modules_dep_t:file rw_file_perms;
can_exec(update_modules_t, insmod_exec_t)
can_exec(update_modules_t, update_modules_exec_t)
# manage module loading configuration
allow update_modules_t modules_conf_t:file create_file_perms;
bootloader_create_modules(update_modules_t,modules_conf_t)
files_create_etc_config(update_modules_t,modules_conf_t)
# transition to depmod
domain_auto_trans(update_modules_t, depmod_exec_t, depmod_t)
allow update_modules_t update_modules_tmp_t:dir create_dir_perms;
allow update_modules_t update_modules_tmp_t:file create_file_perms;
files_create_tmp_files(update_modules_t, update_modules_tmp_t, { file dir })
kernel_read_kernel_sysctl(update_modules_t)
kernel_read_system_state(update_modules_t)
dev_read_urand(update_modules_t)
fs_getattr_xattr_fs(update_modules_t)
term_use_console(update_modules_t)
init_use_fd(depmod_t)
init_use_script_fd(depmod_t)
init_use_script_pty(depmod_t)
domain_use_wide_inherit_fd(depmod_t)
files_read_etc_runtime_files(update_modules_t)
files_read_etc_files(update_modules_t)
files_exec_etc_files(update_modules_t)
corecmd_exec_bin(update_modules_t)
corecmd_exec_sbin(update_modules_t)
corecmd_exec_shell(update_modules_t)
libs_use_ld_so(update_modules_t)
libs_use_shared_libs(update_modules_t)
logging_send_syslog_msg(update_modules_t)
miscfiles_read_localization(update_modules_t)
userdom_dontaudit_search_sysadm_home_dir(update_modules_t)