533 lines
13 KiB
Plaintext
533 lines
13 KiB
Plaintext
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policy_module(init,1.0)
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########################################
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#
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# Declarations
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#
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# used for direct running of init scripts
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# by admin domains
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attribute direct_run_init;
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attribute direct_init;
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attribute direct_init_entry;
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#
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# init_t is the domain of the init process.
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#
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type init_t;
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domain_type(init_t)
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role system_r types init_t;
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#
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# init_exec_t is the type of the init program.
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#
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type init_exec_t;
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kernel_userland_entry(init_t,init_exec_t)
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domain_entry_file(init_t,init_exec_t)
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#
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# init_var_run_t is the type for /var/run/shutdown.pid.
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#
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type init_var_run_t;
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files_pid_file(init_var_run_t)
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#
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# initctl_t is the type of the named pipe created
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# by init during initialization. This pipe is used
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# to communicate with init.
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#
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type initctl_t;
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files_type(initctl_t)
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type initrc_t;
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domain_type(initrc_t)
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role system_r types initrc_t;
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type initrc_exec_t;
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domain_entry_file(initrc_t,initrc_exec_t)
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type initrc_devpts_t;
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term_pty(initrc_devpts_t)
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files_type(initrc_devpts_t)
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type initrc_var_run_t;
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files_pid_file(initrc_var_run_t)
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type initrc_state_t;
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files_type(initrc_state_t)
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type initrc_tmp_t;
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files_tmp_file(initrc_tmp_t)
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########################################
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#
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# Init local policy
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#
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# Use capabilities. old rule:
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allow init_t self:capability ~sys_module;
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# is ~sys_module really needed? observed:
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# sys_boot
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# sys_tty_config
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# kill: now provided by domain_kill_all_domains()
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# setuid (from /sbin/shutdown)
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# sys_chroot (from /usr/bin/chroot): now provided by corecmd_chroot_exec_chroot()
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allow init_t self:fifo_file rw_file_perms;
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# Re-exec itself
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allow init_t init_exec_t:file { getattr read ioctl execute execute_no_trans };
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# For /var/run/shutdown.pid.
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allow init_t init_var_run_t:file { create getattr read append write setattr unlink };
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files_create_pid(init_t,init_var_run_t)
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allow init_t initctl_t:fifo_file { create getattr read append write setattr unlink };
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fs_associate_tmpfs(initctl_t)
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dev_create_dev_node(init_t,initctl_t,fifo_file)
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# Modify utmp.
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allow init_t initrc_var_run_t:file { rw_file_perms setattr };
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# Run init scripts.
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domain_auto_trans(init_t,initrc_exec_t,initrc_t)
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kernel_read_system_state(init_t)
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kernel_share_state(init_t)
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kernel_sigchld_from(init_t)
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# If you load a new policy that removes active domains, processes can
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# get stuck if you do not allow unlabeled processes to signal init.
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# If you load an incompatible policy, you should probably reboot,
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# since you may have compromised system security.
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kernel_sigchld_from_unlabeled(init_t)
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dev_read_sysfs(init_t)
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selinux_set_boolean(init_t)
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term_use_all_terms(init_t)
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corecmd_exec_chroot(init_t)
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corecmd_exec_bin(init_t)
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corecmd_exec_sbin(init_t)
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domain_kill_all_domains(init_t)
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domain_signal_all_domains(init_t)
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domain_signull_all_domains(init_t)
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domain_sigstop_all_domains(init_t)
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domain_sigstop_all_domains(init_t)
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domain_sigchld_all_domains(init_t)
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files_read_etc_files(init_t)
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files_rw_generic_pids(init_t)
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files_dontaudit_search_isid_type_dir(init_t)
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files_manage_etc_runtime_files(init_t)
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# Run /etc/X11/prefdm:
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files_exec_etc_files(init_t)
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# file descriptors inherited from the rootfs:
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files_dontaudit_rw_root_file(init_t)
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files_dontaudit_rw_root_chr_dev(init_t)
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libs_use_ld_so(init_t)
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libs_use_shared_libs(init_t)
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libs_rw_ld_so_cache(init_t)
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logging_send_syslog_msg(init_t)
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logging_rw_generic_logs(init_t)
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seutil_read_config(init_t)
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miscfiles_read_localization(init_t)
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ifdef(`distro_redhat',`
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fs_use_tmpfs_chr_dev(init_t)
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fs_create_tmpfs_data(init_t,initctl_t,fifo_file)
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')
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optional_policy(`authlogin.te',`
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auth_rw_login_records(init_t)
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')
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optional_policy(`portmap.te',`
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portmap_udp_sendto(init_t)
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')
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# Run the shell in the sysadm_t domain for single-user mode.
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optional_policy(`userdomain.te',`
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userdom_shell_domtrans_sysadm(init_t)
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')
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########################################
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#
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# Init script local policy
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#
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allow initrc_t self:process { getpgid setsched setpgid setrlimit getsched };
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allow initrc_t self:capability ~{ sys_admin sys_module };
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allow initrc_t self:passwd rootok;
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# Allow IPC with self
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allow initrc_t self:unix_dgram_socket create_socket_perms;
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allow initrc_t self:unix_stream_socket { create listen accept ioctl read getattr write setattr append bind connect getopt setopt shutdown connectto };
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allow initrc_t self:tcp_socket create_stream_socket_perms;
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allow initrc_t self:udp_socket create_socket_perms;
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allow initrc_t self:fifo_file rw_file_perms;
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allow initrc_t self:netlink_route_socket r_netlink_socket_perms;
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allow initrc_t init_t:fd use;
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allow initrc_t initrc_exec_t:file { getattr read ioctl execute execute_no_trans };
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allow initrc_t initrc_state_t:dir create_dir_perms;
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allow initrc_t initrc_state_t:file create_file_perms;
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allow initrc_t initrc_state_t:lnk_file { create read getattr setattr unlink rename };
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allow initrc_t initrc_var_run_t:file create_file_perms;
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files_create_pid(initrc_t,initrc_var_run_t)
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allow initrc_t initrc_tmp_t:file create_file_perms;
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allow initrc_t initrc_tmp_t:dir create_dir_perms;
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files_create_tmp_files(initrc_t,initrc_tmp_t, { file dir })
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kernel_read_system_state(initrc_t)
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kernel_read_software_raid_state(initrc_t)
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kernel_read_network_state(initrc_t)
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kernel_read_ring_buffer(initrc_t)
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kernel_change_ring_buffer_level(initrc_t)
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kernel_clear_ring_buffer(initrc_t)
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kernel_get_sysvipc_info(initrc_t)
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dev_read_sysfs(initrc_t)
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dev_rw_sysfs(initrc_t)
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kernel_read_all_sysctl(initrc_t)
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kernel_rw_all_sysctl(initrc_t)
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selinux_get_enforce_mode(initrc_t)
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dev_list_usbfs(initrc_t)
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# for lsof which is used by alsa shutdown:
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kernel_dontaudit_getattr_message_if(initrc_t)
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bootloader_read_kernel_symbol_table(initrc_t)
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corenet_tcp_sendrecv_all_if(initrc_t)
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corenet_raw_sendrecv_all_if(initrc_t)
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corenet_udp_sendrecv_all_if(initrc_t)
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corenet_tcp_sendrecv_all_nodes(initrc_t)
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corenet_raw_sendrecv_all_nodes(initrc_t)
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corenet_udp_sendrecv_all_nodes(initrc_t)
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corenet_tcp_sendrecv_all_ports(initrc_t)
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corenet_udp_sendrecv_all_ports(initrc_t)
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corenet_tcp_bind_all_nodes(initrc_t)
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corenet_udp_bind_all_nodes(initrc_t)
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dev_read_rand(initrc_t)
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dev_read_urand(initrc_t)
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dev_write_rand(initrc_t)
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dev_write_urand(initrc_t)
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dev_read_framebuffer(initrc_t)
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dev_read_realtime_clock(initrc_t)
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dev_read_snd_mixer_dev(initrc_t)
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dev_write_snd_mixer_dev(initrc_t)
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dev_setattr_all_chr_files(initrc_t)
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dev_read_lvm_control(initrc_t)
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dev_delete_lvm_control(initrc_t)
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# Wants to remove udev.tbl:
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dev_del_generic_symlinks(initrc_t)
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fs_register_binary_executable_type(initrc_t)
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# cjp: not sure why these are here; should use mount policy
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fs_mount_all_fs(initrc_t)
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fs_unmount_all_fs(initrc_t)
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fs_remount_all_fs(initrc_t)
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fs_getattr_all_fs(initrc_t)
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storage_getattr_fixed_disk(initrc_t)
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storage_setattr_fixed_disk(initrc_t)
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storage_setattr_removable_device(initrc_t)
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term_use_all_terms(initrc_t)
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term_reset_tty_labels(initrc_t)
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auth_rw_login_records(initrc_t)
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auth_rw_lastlog(initrc_t)
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auth_read_pam_pid(initrc_t)
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auth_delete_pam_pid(initrc_t)
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auth_list_pam_console_data(initrc_t)
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corecmd_exec_bin(initrc_t)
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corecmd_exec_sbin(initrc_t)
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corecmd_exec_shell(initrc_t)
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corecmd_exec_ls(initrc_t)
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domain_kill_all_domains(initrc_t)
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domain_signal_all_domains(initrc_t)
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domain_signull_all_domains(initrc_t)
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domain_sigstop_all_domains(initrc_t)
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domain_sigstop_all_domains(initrc_t)
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domain_sigchld_all_domains(initrc_t)
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domain_read_all_domains_state(initrc_t)
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domain_getsession_all_domains(initrc_t)
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domain_use_wide_inherit_fd(initrc_t)
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domain_exec_all_entry_files(initrc_t)
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# for lsof which is used by alsa shutdown:
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domain_dontaudit_getattr_all_udp_sockets(initrc_t)
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domain_dontaudit_getattr_all_tcp_sockets(initrc_t)
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domain_dontaudit_getattr_all_unix_dgram_sockets(initrc_t)
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domain_dontaudit_getattr_all_unnamed_pipes(initrc_t)
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files_getattr_all_dirs(initrc_t)
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files_getattr_all_files(initrc_t)
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files_getattr_all_symlinks(initrc_t)
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files_getattr_all_pipes(initrc_t)
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files_getattr_all_sockets(initrc_t)
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files_purge_tmp(initrc_t)
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files_delete_all_locks(initrc_t)
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files_read_all_pids(initrc_t)
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files_delete_all_pids(initrc_t)
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files_read_etc_files(initrc_t)
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files_manage_etc_runtime_files(initrc_t)
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files_manage_generic_locks(initrc_t)
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files_exec_etc_files(initrc_t)
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files_read_usr_files(initrc_t)
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files_manage_urandom_seed(initrc_t)
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files_manage_generic_spools(initrc_t)
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# Mount and unmount file systems.
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# cjp: not sure why these are here; should use mount policy
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files_list_isid_type_dir(initrc_t)
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files_mounton_isid_type_dir(initrc_t)
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files_list_default(initrc_t)
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files_mounton_default(initrc_t)
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libs_rw_ld_so_cache(initrc_t)
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libs_use_ld_so(initrc_t)
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libs_use_shared_libs(initrc_t)
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libs_exec_lib_files(initrc_t)
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logging_send_syslog_msg(initrc_t)
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logging_rw_generic_logs(initrc_t)
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logging_read_all_logs(initrc_t)
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logging_append_all_logs(initrc_t)
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miscfiles_read_localization(initrc_t)
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modutils_read_module_conf(initrc_t)
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seutil_read_config(initrc_t)
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sysnet_read_config(initrc_t)
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udev_rw_db(initrc_t)
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userdom_read_all_user_files(initrc_t)
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# Allow access to the sysadm TTYs. Note that this will give access to the
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# TTYs to any process in the initrc_t domain. Therefore, daemons and such
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# started from init should be placed in their own domain.
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userdom_use_sysadm_terms(initrc_t)
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ifdef(`distro_debian', `
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dev_setattr_dev_dir(initrc_t)
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fs_create_tmpfs_data(initrc_t,initrc_var_run_t,dir)
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# for storing state under /dev/shm
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fs_setattr_tmpfs_dir(initrc_t)
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storage_create_fixed_disk_tmpfs(initrc_t)
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files_setattr_etc_dir(initrc_t)
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')
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ifdef(`distro_gentoo',`
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optional_policy(`dhcp.te',`
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dhcpd_setattr_state_files(initrc_t)
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')
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')
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ifdef(`distro_redhat',`
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# this is from kmodule, which should get its own policy:
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allow initrc_t self:capability sys_admin;
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# Red Hat systems seem to have a stray
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# fd open from the initrd
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kernel_dontaudit_use_fd(initrc_t)
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files_dontaudit_read_root_file(initrc_t)
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selinux_set_enforce_mode(initrc_t)
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# Create and read /boot/kernel.h and /boot/System.map.
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# Redhat systems typically create this file at boot time.
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bootloader_create_runtime_file(initrc_t)
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bootloader_rw_boot_symlinks(initrc_t)
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# These seem to be from the initrd
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# during device initialization:
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dev_create_dir(initrc_t)
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dev_rwx_zero_dev(initrc_t)
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dev_rx_raw_memory(initrc_t)
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dev_wx_raw_memory(initrc_t)
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storage_raw_read_fixed_disk(initrc_t)
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storage_raw_write_fixed_disk(initrc_t)
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fs_use_tmpfs_chr_dev(initrc_t)
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files_create_boot_flag(initrc_t)
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# readahead asks for these
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mta_read_aliases(initrc_t)
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')
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ifdef(`targeted_policy',`
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unconfined_domain_template(initrc_t)
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unconfined_shell_domtrans(initrc_t)
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')
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optional_policy(`bind.te',`
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bind_read_config(initrc_t)
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# for chmod in start script
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bind_setattr_pid_dir(initrc_t)
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# for /etc/rndc.key
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ifdef(`distro_redhat',`
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# Allow init script to cp localtime to named_conf_t
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bind_write_config(initrc_t)
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')
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')
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optional_policy(`gpm.te',`
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gpm_setattr_gpmctl(initrc_t)
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')
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optional_policy(`hotplug.te',`
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dev_read_usbfs(initrc_t)
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# init scripts run /etc/hotplug/usb.rc
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hotplug_read_config(initrc_t)
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modutils_read_mods_deps(initrc_t)
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')
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optional_policy(`inn.te',`
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inn_exec_config(initrc_t)
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')
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optional_policy(`ipsec.te',`
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ipsec_read_config(initrc_t)
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ipsec_manage_pid(initrc_t)
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')
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optional_policy(`kerberos.te',`
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kerberos_use(initrc_t)
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')
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optional_policy(`ldap.te',`
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ldap_read_config(initrc_t)
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ldap_list_db_dir(initrc_t)
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')
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optional_policy(`loadkeys.te',`
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loadkeys_exec(initrc_t)
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')
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optional_policy(`lvm.te',`
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#allow initrc_t lvm_control_t:chr_file unlink;
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dev_read_lvm_control(initrc_t)
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dev_create_generic_chr_file(initrc_t)
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')
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optional_policy(`mta.te',`
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mta_dontaudit_read_spool_symlink(initrc_t)
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')
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optional_policy(`mysql.te',`
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ifdef(`distro_redhat',`
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mysql_manage_db_dir(initrc_t)
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')
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mysql_stream_connect(initrc_t)
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mysql_write_log(initrc_t)
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')
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optional_policy(`nis.te',`
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nis_udp_sendto_ypbind(initrc_t)
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nis_list_var_yp(initrc_t)
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')
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optional_policy(`raid.te',`
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raid_manage_mdadm_pid(initrc_t)
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')
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optional_policy(`quota.te',`
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quota_manage_flags(initrc_t)
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')
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optional_policy(`rhgb.te',`
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corecmd_shell_entry_type(initrc_t)
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')
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optional_policy(`rpm.te',`
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# bash tries to access a block device in the initrd
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kernel_dontaudit_getattr_unlabeled_blk_dev(initrc_t)
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# for a bug in rm
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files_dontaudit_write_all_pids(initrc_t)
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# bash tries ioctl for some reason
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files_dontaudit_ioctl_all_pids(initrc_t)
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# why is this needed:
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rpm_manage_db(initrc_t)
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')
|
|
|
|
optional_policy(`squid.te',`
|
|
squid_read_config(initrc_t)
|
|
squid_manage_logs(initrc_t)
|
|
')
|
|
|
|
optional_policy(`ssh.te',`
|
|
optional_policy(`inetd.te',`
|
|
tunable_policy(`run_ssh_inetd',`',`
|
|
ssh_dontaudit_read_server_keys(initrc_t)
|
|
')
|
|
',`
|
|
ssh_dontaudit_read_server_keys(initrc_t)
|
|
')
|
|
')
|
|
|
|
optional_policy(`sysnetwork.te',`
|
|
ifdef(`distro_redhat',`
|
|
sysnet_rw_dhcp_config(initrc_t)
|
|
')
|
|
|
|
sysnet_read_dhcpc_state(initrc_t)
|
|
')
|
|
|
|
optional_policy(`zebra.te',`
|
|
zebra_read_config(initrc_t)
|
|
')
|
|
|
|
ifdef(`TODO',`
|
|
# Set device ownerships/modes.
|
|
allow initrc_t xconsole_device_t:fifo_file setattr;
|
|
|
|
allow initrc_t system_dbusd_t:dbus { send_msg acquire_svc };
|
|
|
|
#
|
|
# These rules are here to allow init scripts to su
|
|
#
|
|
optional_policy(`su.te', `
|
|
su_restricted_domain(initrc,system)
|
|
role system_r types initrc_su_t;
|
|
')
|
|
|
|
ifdef(`distro_redhat', `
|
|
# readahead asks for these
|
|
allow initrc_t var_lib_nfs_t:file r_file_perms;
|
|
')
|
|
|
|
ifdef(`targeted_policy',`
|
|
allow unconfined_t initrc_t:dbus { acquire_svc send_msg };
|
|
allow initrc_t unconfined_t:dbus { acquire_svc send_msg };
|
|
')
|
|
') dnl end TODO
|