policy_module(ipsec,1.0) ######################################## # # Declarations # type ipsec_t; type ipsec_exec_t; init_daemon_domain(ipsec_t,ipsec_exec_t) role system_r types ipsec_t; # type for ipsec configuration file(s) - not for keys type ipsec_conf_file_t; # type for file(s) containing ipsec keys - RSA or preshared type ipsec_key_file_t; # type for runtime files, including pluto.ctl type ipsec_var_run_t; files_pid_file(ipsec_var_run_t) type ipsec_mgmt_t; #, privlog, admin, privmodule, nscd_client_domain; type ipsec_mgmt_exec_t; init_system_domain(ipsec_mgmt_t,ipsec_mgmt_exec_t) role system_r types ipsec_mgmt_t; type ipsec_mgmt_var_run_t; files_pid_file(ipsec_mgmt_var_run_t) ######################################## # # ipsec Local policy # allow ipsec_t self:capability { net_admin dac_override dac_read_search }; dontaudit ipsec_t self:capability sys_tty_config; allow ipsec_t self:process signal; allow ipsec_t self:key_socket { create write read setopt }; allow ipsec_t self:fifo_file { read getattr }; allow ipsec_t ipsec_conf_file_t:dir r_dir_perms; allow ipsec_t ipsec_conf_file_t:file r_file_perms; allow ipsec_t ipsec_conf_file_t:lnk_file r_file_perms; allow ipsec_t ipsec_key_file_t:dir r_dir_perms; allow ipsec_t ipsec_key_file_t:file r_file_perms; allow ipsec_t ipsec_key_file_t:lnk_file r_file_perms; allow ipsec_t ipsec_var_run_t:file create_file_perms; allow ipsec_t ipsec_var_run_t:sock_file create_file_perms; files_create_pid(ipsec_t,ipsec_var_run_t,{ file sock_file }) can_exec(ipsec_t, ipsec_mgmt_exec_t) # pluto runs an updown script (by calling popen()!); as this is by default # a shell script, we need to find a way to make things work without # letting all sorts of stuff possibly be run... # so try flipping back into the ipsec_mgmt_t domain corecmd_shell_domtrans(ipsec_t,ipsec_mgmt_t) allow ipsec_t ipsec_mgmt_t:fd use; allow ipsec_mgmt_t ipsec_t:fd use; allow ipsec_mgmt_t ipsec_t:fifo_file rw_file_perms; allow ipsec_mgmt_t ipsec_t:process sigchld; kernel_read_kernel_sysctl(ipsec_t) kernel_list_proc(ipsec_t) kernel_read_proc_symlinks(ipsec_t) # allow pluto to access /proc/net/ipsec_eroute; kernel_read_system_state(ipsec_t) kernel_read_network_state(ipsec_t) kernel_read_software_raid_state(ipsec_t) kernel_getattr_core(ipsec_t) kernel_getattr_message_if(ipsec_t) corenet_udp_bind_reserved_port(ipsec_t) dev_read_sysfs(ipsec_t) dev_read_rand(ipsec_t) dev_read_urand(ipsec_t) fs_getattr_all_fs(ipsec_t) fs_search_auto_mountpoints(ipsec_t) term_use_console(ipsec_t) corecmd_exec_shell(ipsec_t) corecmd_exec_bin(ipsec_t) domain_use_wide_inherit_fd(ipsec_t) files_read_etc_files(ipsec_t) init_use_fd(ipsec_t) init_use_script_pty(ipsec_t) libs_use_ld_so(ipsec_t) libs_use_shared_libs(ipsec_t) logging_send_syslog_msg(ipsec_t) miscfiles_read_localization(ipsec_t) userdom_dontaudit_use_unpriv_user_fd(ipsec_t) userdom_dontaudit_search_sysadm_home_dir(ipsec_t) ifdef(`targeted_policy', ` term_dontaudit_use_unallocated_tty(ipsec_t) term_dontaudit_use_generic_pty(ipsec_t) files_dontaudit_read_root_file(ipsec_t) ') optional_policy(`nis.te',` nis_use_ypbind(ipsec_t) ') optional_policy(`rhgb.te',` rhgb_domain(ipsec_t) ') optional_policy(`selinuxutils.te',` seutil_sigchld_newrole(ipsec_t) ') optional_policy(`udev.te', ` udev_read_db(ipsec_t) ') ifdef(`TODO',` allow ipsec_t etc_t:lnk_file read; allow ipsec_t initrc_t:fifo_file write; dontaudit ipsec_t ttyfile:chr_file { read write }; # Pluto needs network access can_network_server(ipsec_t) ') dnl end TODO ######################################## # # ipsec_mgmt Local policy # allow ipsec_mgmt_t self:capability { net_admin sys_tty_config dac_override dac_read_search }; allow ipsec_mgmt_t self:process { signal setrlimit }; allow ipsec_mgmt_t self:unix_stream_socket create_stream_socket_perms; allow ipsec_mgmt_t self:tcp_socket create_socket_perms; allow ipsec_mgmt_t self:udp_socket create_socket_perms; allow ipsec_mgmt_t self:key_socket { create setopt }; allow ipsec_mgmt_t self:fifo_file rw_file_perms; allow ipsec_mgmt_t ipsec_mgmt_var_run_t:file create_file_perms; files_create_pid(ipsec_mgmt_t,ipsec_mgmt_var_run_t) allow ipsec_mgmt_t ipsec_var_run_t:dir rw_dir_perms; allow ipsec_mgmt_t ipsec_var_run_t:file create_file_perms; allow ipsec_mgmt_t ipsec_var_run_t:lnk_file create_lnk_perms; allow ipsec_mgmt_t ipsec_var_run_t:sock_file create_file_perms; files_create_pid(ipsec_mgmt_t,ipsec_var_run_t,sock_file) # _realsetup needs to be able to cat /var/run/pluto.pid, # run ps on that pid, and delete the file allow ipsec_mgmt_t ipsec_t:{ file lnk_file } r_file_perms; # logger, running in ipsec_mgmt_t needs to use sockets allow ipsec_mgmt_t self:unix_dgram_socket { create connect write }; allow ipsec_mgmt_t ipsec_t:unix_dgram_socket { create connect write }; allow ipsec_mgmt_t ipsec_conf_file_t:file { getattr read ioctl }; allow ipsec_mgmt_t ipsec_key_file_t:dir rw_dir_perms; allow ipsec_mgmt_t ipsec_key_file_t:lnk_file create_lnk_perms; # cjp: combo of file_type_auto_trans and rw_dir_create_file allow ipsec_mgmt_t ipsec_key_file_t:file create_file_perms; files_create_etc_config(ipsec_mgmt_t,ipsec_key_file_t) # whack needs to connect to pluto allow ipsec_mgmt_t ipsec_var_run_t:sock_file { read write }; allow ipsec_mgmt_t ipsec_t:unix_stream_socket { connectto read write }; can_exec(ipsec_mgmt_t, ipsec_exec_t) can_exec(ipsec_mgmt_t, ipsec_mgmt_exec_t) allow ipsec_mgmt_t ipsec_mgmt_exec_t:lnk_file read; domain_auto_trans(ipsec_mgmt_t,ipsec_exec_t,ipsec_t) allow ipsec_mgmt_t ipsec_t:fd use; allow ipsec_t ipsec_mgmt_t:fd use; allow ipsec_t ipsec_mgmt_t:fifo_file rw_file_perms; allow ipsec_t ipsec_mgmt_t:process sigchld; kernel_rw_net_sysctl(ipsec_mgmt_t) # allow pluto to access /proc/net/ipsec_eroute; kernel_read_system_state(ipsec_mgmt_t) kernel_read_network_state(ipsec_mgmt_t) kernel_read_software_raid_state(ipsec_mgmt_t) kernel_read_kernel_sysctl(ipsec_mgmt_t) kernel_getattr_core(ipsec_mgmt_t) kernel_getattr_message_if(ipsec_mgmt_t) bootloader_read_kernel_symbol_table(ipsec_mgmt_t) bootloader_getattr_kernel_modules(ipsec_mgmt_t) dev_read_rand(ipsec_mgmt_t) dev_read_urand(ipsec_mgmt_t) fs_getattr_xattr_fs(ipsec_mgmt_t) term_use_console(ipsec_mgmt_t) # the default updown script wants to run route corecmd_exec_sbin(ipsec_mgmt_t) # the ipsec wrapper wants to run /usr/bin/logger (should we put # it in its own domain?) corecmd_exec_bin(ipsec_mgmt_t) domain_use_wide_inherit_fd(ipsec_mgmt_t) files_read_etc_files(ipsec_mgmt_t) files_exec_etc_files(ipsec_mgmt_t) files_read_etc_runtime_files(ipsec_mgmt_t) files_dontaudit_getattr_default_dir(ipsec_mgmt_t) files_dontaudit_getattr_default_files(ipsec_mgmt_t) # Allow scripts to use /var/locl/subsys/ipsec # cjp: need a lock type files_manage_generic_locks(ipsec_mgmt_t) init_use_script_pty(ipsec_mgmt_t) init_exec_script(ipsec_mgmt_t) init_use_fd(ipsec_mgmt_t) libs_use_ld_so(ipsec_mgmt_t) libs_use_shared_libs(ipsec_mgmt_t) miscfiles_read_localization(ipsec_mgmt_t) seutil_dontaudit_search_config(ipsec_mgmt_t) sysnet_domtrans_ifconfig(ipsec_mgmt_t) userdom_use_sysadm_terms(ipsec_mgmt_t) optional_policy(`consoletype.te',` consoletype_exec(ipsec_mgmt_t) ') ifdef(`TODO',` # denials when ps tries to search /proc. Do not audit these denials. dontaudit ipsec_mgmt_t domain:dir r_dir_perms; # suppress audit messages about unnecessary socket access dontaudit ipsec_mgmt_t domain:key_socket { read write }; dontaudit ipsec_mgmt_t domain:udp_socket { read write }; # allow pluto to search the root directory (not sure why, but mostly harmless) # Are these all really necessary? dontaudit ipsec_mgmt_t tty_device_t:chr_file getattr; # ideally it would not need this. It wants to write to /root/.rnd file_type_auto_trans(ipsec_mgmt_t, sysadm_home_dir_t, sysadm_home_t, file) allow ipsec_mgmt_t tmpfs_t:dir { getattr read }; allow ipsec_mgmt_t dev_fs:file_class_set getattr; # allow system administrator to use the ipsec script to look # at things (e.g., ipsec auto --status) # probably should create an ipsec_admin role for this kind of thing can_exec(sysadm_t, ipsec_mgmt_exec_t) allow sysadm_t ipsec_t:unix_stream_socket connectto; # for lsof allow sysadm_t ipsec_t:key_socket getattr; rw_dir_create_file(initrc_t, ipsec_var_run_t) allow initrc_t ipsec_conf_file_t:file { getattr read ioctl }; ') dnl end TODO