296 lines
6.8 KiB
Plaintext
296 lines
6.8 KiB
Plaintext
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policy_module(modutils,1.3.1)
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gen_require(`
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bool secure_mode_insmod;
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')
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########################################
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#
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# Declarations
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#
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# module loading config
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type modules_conf_t;
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files_type(modules_conf_t)
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# module dependencies
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type modules_dep_t;
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files_type(modules_dep_t)
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type insmod_t;
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type insmod_exec_t;
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domain_type(insmod_t)
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domain_entry_file(insmod_t,insmod_exec_t)
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mls_file_write_down(insmod_t)
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role system_r types insmod_t;
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type depmod_t;
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type depmod_exec_t;
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init_system_domain(depmod_t,depmod_exec_t)
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role system_r types depmod_t;
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type update_modules_t;
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type update_modules_exec_t;
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init_system_domain(update_modules_t,update_modules_exec_t)
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role system_r types update_modules_t;
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type update_modules_tmp_t;
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files_tmp_file(update_modules_tmp_t)
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########################################
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#
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# insmod local policy
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#
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allow insmod_t self:capability { dac_override net_raw sys_tty_config };
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allow insmod_t self:process { execmem sigchld sigkill sigstop signull signal };
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allow insmod_t self:udp_socket create_socket_perms;
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allow insmod_t self:rawip_socket create_socket_perms;
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# Read module config and dependency information
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allow insmod_t { modules_conf_t modules_dep_t }:file r_file_perms;
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can_exec(insmod_t, insmod_exec_t)
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kernel_load_module(insmod_t)
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kernel_read_system_state(insmod_t)
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kernel_write_proc_files(insmod_t)
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kernel_mount_debugfs(insmod_t)
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kernel_mount_kvmfs(insmod_t)
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kernel_read_debugfs(insmod_t)
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# Rules for /proc/sys/kernel/tainted
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kernel_read_kernel_sysctls(insmod_t)
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kernel_rw_kernel_sysctl(insmod_t)
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kernel_read_hotplug_sysctls(insmod_t)
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files_read_kernel_modules(insmod_t)
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# for locking: (cjp: ????)
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files_write_kernel_modules(insmod_t)
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dev_rw_sysfs(insmod_t)
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dev_search_usbfs(insmod_t)
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dev_rw_mtrr(insmod_t)
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dev_read_urand(insmod_t)
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dev_rw_agp(insmod_t)
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dev_read_sound(insmod_t)
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dev_write_sound(insmod_t)
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dev_rw_apm_bios(insmod_t)
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# cjp: why is this needed? insmod cannot mounton any dir
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# and it also transitions to mount
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dev_mount_usbfs(insmod_t)
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fs_getattr_xattr_fs(insmod_t)
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corecmd_exec_bin(insmod_t)
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corecmd_exec_shell(insmod_t)
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domain_signal_all_domains(insmod_t)
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domain_use_interactive_fds(insmod_t)
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files_read_etc_runtime_files(insmod_t)
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files_read_etc_files(insmod_t)
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files_read_usr_files(insmod_t)
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files_exec_etc_files(insmod_t)
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# for nscd:
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files_dontaudit_search_pids(insmod_t)
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# for when /var is not mounted early in the boot:
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files_dontaudit_search_isid_type_dirs(insmod_t)
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init_rw_initctl(insmod_t)
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init_use_fds(insmod_t)
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init_use_script_fds(insmod_t)
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init_use_script_ptys(insmod_t)
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libs_use_ld_so(insmod_t)
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libs_use_shared_libs(insmod_t)
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logging_send_syslog_msg(insmod_t)
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logging_search_logs(insmod_t)
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miscfiles_read_localization(insmod_t)
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seutil_read_file_contexts(insmod_t)
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if( ! secure_mode_insmod ) {
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kernel_domtrans_to(insmod_t,insmod_exec_t)
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}
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ifdef(`targeted_policy',`
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term_use_unallocated_ttys(insmod_t)
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term_use_generic_ptys(insmod_t)
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')
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optional_policy(`
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hotplug_search_config(insmod_t)
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')
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optional_policy(`
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mount_domtrans(insmod_t)
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')
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optional_policy(`
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nis_use_ypbind(insmod_t)
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')
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optional_policy(`
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nscd_socket_use(insmod_t)
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')
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optional_policy(`
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fs_manage_ramfs_files(insmod_t)
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rhgb_use_fds(insmod_t)
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rhgb_dontaudit_use_ptys(insmod_t)
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xserver_dontaudit_write_log(insmod_t)
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xserver_stream_connect_xdm_xserver(insmod_t)
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xserver_dontaudit_rw_xdm_stream_sockets(insmod_t)
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ifdef(`hide_broken_symptoms',`
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xserver_dontaudit_rw_xdm_xserver_tcp_sockets(insmod_t)
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')
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')
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optional_policy(`
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rpm_rw_pipes(insmod_t)
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')
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optional_policy(`
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unconfined_dontaudit_rw_pipes(insmod_t)
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')
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optional_policy(`
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# cjp: why is this needed:
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dev_rw_xserver_misc(insmod_t)
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xserver_getattr_log(insmod_t)
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')
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########################################
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#
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# depmod local policy
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#
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can_exec(depmod_t, depmod_exec_t)
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# Read conf.modules.
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allow depmod_t modules_conf_t:file read_file_perms;
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allow depmod_t modules_dep_t:file manage_file_perms;
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files_kernel_modules_filetrans(depmod_t,modules_dep_t,file)
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kernel_read_system_state(depmod_t)
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files_read_kernel_symbol_table(depmod_t)
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files_read_kernel_modules(depmod_t)
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fs_getattr_xattr_fs(depmod_t)
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term_use_console(depmod_t)
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corecmd_search_bin(depmod_t)
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domain_use_interactive_fds(depmod_t)
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init_use_fds(depmod_t)
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init_use_script_fds(depmod_t)
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init_use_script_ptys(depmod_t)
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files_read_etc_runtime_files(depmod_t)
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files_read_etc_files(depmod_t)
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files_read_usr_src_files(depmod_t)
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files_list_usr(depmod_t)
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libs_use_ld_so(depmod_t)
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libs_use_shared_libs(depmod_t)
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# Read System.map from home directories.
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files_list_home(depmod_t)
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userdom_read_staff_home_content_files(depmod_t)
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userdom_read_sysadm_home_content_files(depmod_t)
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ifdef(`targeted_policy', `
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term_use_unallocated_ttys(depmod_t)
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term_use_generic_ptys(depmod_t)
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')
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optional_policy(`
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rpm_rw_pipes(depmod_t)
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')
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#################################
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#
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# update-modules local policy
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#
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allow update_modules_t self:fifo_file rw_fifo_file_perms;
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allow update_modules_t modules_dep_t:file rw_file_perms;
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can_exec(update_modules_t, insmod_exec_t)
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can_exec(update_modules_t, update_modules_exec_t)
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# manage module loading configuration
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allow update_modules_t modules_conf_t:file manage_file_perms;
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files_kernel_modules_filetrans(update_modules_t,modules_conf_t,file)
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files_etc_filetrans(update_modules_t,modules_conf_t,file)
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# transition to depmod
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domain_auto_trans(update_modules_t, depmod_exec_t, depmod_t)
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allow update_modules_t depmod_t:fd use;
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allow depmod_t update_modules_t:fd use;
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allow depmod_t update_modules_t:fifo_file rw_file_perms;
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allow depmod_t update_modules_t:process sigchld;
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manage_dirs_pattern(update_modules_t,update_modules_tmp_t,update_modules_tmp_t)
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manage_files_pattern(update_modules_t,update_modules_tmp_t,update_modules_tmp_t)
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files_tmp_filetrans(update_modules_t, update_modules_tmp_t, { file dir })
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kernel_read_kernel_sysctls(update_modules_t)
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kernel_read_system_state(update_modules_t)
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dev_read_urand(update_modules_t)
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fs_getattr_xattr_fs(update_modules_t)
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term_use_console(update_modules_t)
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init_use_fds(update_modules_t)
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init_use_script_fds(update_modules_t)
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init_use_script_ptys(update_modules_t)
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domain_use_interactive_fds(update_modules_t)
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files_read_etc_runtime_files(update_modules_t)
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files_read_etc_files(update_modules_t)
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files_exec_etc_files(update_modules_t)
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corecmd_exec_bin(update_modules_t)
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corecmd_exec_shell(update_modules_t)
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libs_use_ld_so(update_modules_t)
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libs_use_shared_libs(update_modules_t)
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logging_send_syslog_msg(update_modules_t)
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miscfiles_read_localization(update_modules_t)
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userdom_dontaudit_search_sysadm_home_dirs(update_modules_t)
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ifdef(`distro_gentoo',`
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files_search_pids(update_modules_t)
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files_getattr_usr_src_files(update_modules_t)
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files_list_isid_type_dirs(update_modules_t) # /var
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optional_policy(`
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consoletype_exec(update_modules_t)
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')
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')
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ifdef(`targeted_policy',`
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term_use_generic_ptys(update_modules_t)
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term_use_unallocated_ttys(update_modules_t)
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')
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