selinux-refpolicy/policy/modules/system/modutils.te
2008-12-10 19:38:10 +00:00

292 lines
6.6 KiB
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policy_module(modutils, 1.9.0)
gen_require(`
bool secure_mode_insmod;
')
########################################
#
# 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;
application_domain(insmod_t,insmod_exec_t)
mls_file_write_all_levels(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 read_file_perms;
can_exec(insmod_t, insmod_exec_t)
kernel_load_module(insmod_t)
kernel_read_system_state(insmod_t)
kernel_write_proc_files(insmod_t)
kernel_mount_debugfs(insmod_t)
kernel_mount_kvmfs(insmod_t)
kernel_read_debugfs(insmod_t)
# Rules for /proc/sys/kernel/tainted
kernel_read_kernel_sysctls(insmod_t)
kernel_rw_kernel_sysctl(insmod_t)
kernel_read_hotplug_sysctls(insmod_t)
files_read_kernel_modules(insmod_t)
# for locking: (cjp: ????)
files_write_kernel_modules(insmod_t)
dev_rw_sysfs(insmod_t)
dev_search_usbfs(insmod_t)
dev_rw_mtrr(insmod_t)
dev_read_urand(insmod_t)
dev_rw_agp(insmod_t)
dev_read_sound(insmod_t)
dev_write_sound(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_shell(insmod_t)
domain_signal_all_domains(insmod_t)
domain_use_interactive_fds(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_dirs(insmod_t)
init_rw_initctl(insmod_t)
init_use_fds(insmod_t)
init_use_script_fds(insmod_t)
init_use_script_ptys(insmod_t)
logging_send_syslog_msg(insmod_t)
logging_search_logs(insmod_t)
miscfiles_read_localization(insmod_t)
seutil_read_file_contexts(insmod_t)
userdom_use_user_terminals(insmod_t)
ifdef(`distro_ubuntu',`
optional_policy(`
unconfined_domain(insmod_t)
')
')
if( ! secure_mode_insmod ) {
kernel_domtrans_to(insmod_t,insmod_exec_t)
}
optional_policy(`
hotplug_search_config(insmod_t)
')
optional_policy(`
mount_domtrans(insmod_t)
')
optional_policy(`
nis_use_ypbind(insmod_t)
')
optional_policy(`
nscd_socket_use(insmod_t)
')
optional_policy(`
fs_manage_ramfs_files(insmod_t)
rhgb_use_fds(insmod_t)
rhgb_dontaudit_use_ptys(insmod_t)
xserver_dontaudit_write_log(insmod_t)
xserver_stream_connect(insmod_t)
xserver_dontaudit_rw_stream_sockets(insmod_t)
ifdef(`hide_broken_symptoms',`
xserver_dontaudit_rw_tcp_sockets(insmod_t)
')
')
optional_policy(`
rpm_rw_pipes(insmod_t)
')
optional_policy(`
unconfined_dontaudit_rw_pipes(insmod_t)
')
optional_policy(`
# cjp: why is this needed:
dev_rw_xserver_misc(insmod_t)
xserver_getattr_log(insmod_t)
')
########################################
#
# depmod local policy
#
can_exec(depmod_t, depmod_exec_t)
# Read conf.modules.
allow depmod_t modules_conf_t:file read_file_perms;
allow depmod_t modules_dep_t:file manage_file_perms;
files_kernel_modules_filetrans(depmod_t,modules_dep_t,file)
kernel_read_system_state(depmod_t)
files_read_kernel_symbol_table(depmod_t)
files_read_kernel_modules(depmod_t)
fs_getattr_xattr_fs(depmod_t)
term_use_console(depmod_t)
corecmd_search_bin(depmod_t)
domain_use_interactive_fds(depmod_t)
init_use_fds(depmod_t)
init_use_script_fds(depmod_t)
init_use_script_ptys(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)
userdom_use_user_terminals(depmod_t)
# Read System.map from home directories.
files_list_home(depmod_t)
userdom_read_user_home_content_files(depmod_t)
ifdef(`distro_ubuntu',`
optional_policy(`
unconfined_domain(depmod_t)
')
')
optional_policy(`
rpm_rw_pipes(depmod_t)
')
#################################
#
# update-modules local policy
#
allow update_modules_t self:fifo_file rw_fifo_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 manage_file_perms;
files_kernel_modules_filetrans(update_modules_t,modules_conf_t,file)
files_etc_filetrans(update_modules_t,modules_conf_t,file)
# transition to depmod
domain_auto_trans(update_modules_t, depmod_exec_t, depmod_t)
allow update_modules_t depmod_t:fd use;
allow depmod_t update_modules_t:fd use;
allow depmod_t update_modules_t:fifo_file rw_file_perms;
allow depmod_t update_modules_t:process sigchld;
manage_dirs_pattern(update_modules_t,update_modules_tmp_t,update_modules_tmp_t)
manage_files_pattern(update_modules_t,update_modules_tmp_t,update_modules_tmp_t)
files_tmp_filetrans(update_modules_t, update_modules_tmp_t, { file dir })
kernel_read_kernel_sysctls(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_fds(update_modules_t)
init_use_script_fds(update_modules_t)
init_use_script_ptys(update_modules_t)
domain_use_interactive_fds(update_modules_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_shell(update_modules_t)
logging_send_syslog_msg(update_modules_t)
miscfiles_read_localization(update_modules_t)
userdom_use_user_terminals(update_modules_t)
userdom_dontaudit_search_user_home_dirs(update_modules_t)
ifdef(`distro_gentoo',`
files_search_pids(update_modules_t)
files_getattr_usr_src_files(update_modules_t)
files_list_isid_type_dirs(update_modules_t) # /var
optional_policy(`
consoletype_exec(update_modules_t)
')
')
ifdef(`distro_ubuntu',`
optional_policy(`
unconfined_domain(update_modules_t)
')
')