diff options
Diffstat (limited to 'policy/modules/system/ipsec.te')
| -rw-r--r-- | policy/modules/system/ipsec.te | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/policy/modules/system/ipsec.te b/policy/modules/system/ipsec.te new file mode 100644 index 00000000..930c8dcb --- /dev/null +++ b/policy/modules/system/ipsec.te @@ -0,0 +1,274 @@ + +policy_module(ipsec,1.1.1) + +######################################## +# +# 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; +files_type(ipsec_conf_file_t) + +# type for file(s) containing ipsec keys - RSA or preshared +type ipsec_key_file_t; +files_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; +type ipsec_mgmt_exec_t; +init_system_domain(ipsec_mgmt_t,ipsec_mgmt_exec_t) +corecmd_shell_entry_type(ipsec_mgmt_t) +role system_r types ipsec_mgmt_t; + +type ipsec_mgmt_lock_t; +files_lock_file(ipsec_mgmt_lock_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:netlink_route_socket r_netlink_socket_perms; +allow ipsec_t self:tcp_socket create_stream_socket_perms; +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_pid_filetrans(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_sysctls(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_if(ipsec_t) +kernel_getattr_message_if(ipsec_t) + +# Pluto needs network access +corenet_non_ipsec_sendrecv(ipsec_t) +corenet_tcp_sendrecv_all_if(ipsec_t) +corenet_raw_sendrecv_all_if(ipsec_t) +corenet_tcp_sendrecv_all_nodes(ipsec_t) +corenet_raw_sendrecv_all_nodes(ipsec_t) +corenet_tcp_sendrecv_all_ports(ipsec_t) +corenet_tcp_bind_all_nodes(ipsec_t) +corenet_tcp_bind_reserved_port(ipsec_t) +corenet_tcp_bind_isakmp_port(ipsec_t) +corenet_sendrecv_generic_server_packets(ipsec_t) +corenet_sendrecv_isakmp_server_packets(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) +term_dontaudit_use_all_user_ttys(ipsec_t) + +corecmd_exec_shell(ipsec_t) +corecmd_exec_bin(ipsec_t) + +domain_use_interactive_fds(ipsec_t) + +files_read_etc_files(ipsec_t) + +init_use_fds(ipsec_t) +init_use_script_ptys(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) + +sysnet_read_config(ipsec_t) + +userdom_dontaudit_use_unpriv_user_fds(ipsec_t) +userdom_dontaudit_search_sysadm_home_dirs(ipsec_t) + +ifdef(`targeted_policy', ` + term_dontaudit_use_unallocated_ttys(ipsec_t) + term_dontaudit_use_generic_ptys(ipsec_t) + files_dontaudit_read_root_files(ipsec_t) +') + +optional_policy(` + nis_use_ypbind(ipsec_t) +') + +optional_policy(` + seutil_sigchld_newrole(ipsec_t) +') + +optional_policy(` + udev_read_db(ipsec_t) +') + +######################################## +# +# 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_lock_t:file create_file_perms; +files_lock_filetrans(ipsec_mgmt_t,ipsec_mgmt_lock_t,file) + +allow ipsec_mgmt_t ipsec_mgmt_var_run_t:file create_file_perms; +files_pid_filetrans(ipsec_mgmt_t,ipsec_mgmt_var_run_t,file) + +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_pid_filetrans(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; +allow ipsec_mgmt_t ipsec_key_file_t:file create_file_perms; +files_etc_filetrans(ipsec_mgmt_t,ipsec_key_file_t,file) + +# 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_sysctls(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_sysctls(ipsec_mgmt_t) +kernel_getattr_core_if(ipsec_mgmt_t) +kernel_getattr_message_if(ipsec_mgmt_t) + +files_read_kernel_symbol_table(ipsec_mgmt_t) +files_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) +fs_list_tmpfs(ipsec_mgmt_t) + +term_use_console(ipsec_mgmt_t) +term_dontaudit_getattr_unallocated_ttys(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_interactive_fds(ipsec_mgmt_t) +# denials when ps tries to search /proc. Do not audit these denials. +domain_dontaudit_list_all_domains_state(ipsec_mgmt_t) +# suppress audit messages about unnecessary socket access +# cjp: this seems excessive +domain_dontaudit_rw_all_udp_sockets(ipsec_mgmt_t) +domain_dontaudit_rw_all_key_sockets(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_dirs(ipsec_mgmt_t) +files_dontaudit_getattr_default_files(ipsec_mgmt_t) + +init_use_script_ptys(ipsec_mgmt_t) +init_exec_script_files(ipsec_mgmt_t) +init_use_fds(ipsec_mgmt_t) + +libs_use_ld_so(ipsec_mgmt_t) +libs_use_shared_libs(ipsec_mgmt_t) + +miscfiles_read_localization(ipsec_mgmt_t) + +modutils_domtrans_insmod(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_exec(ipsec_mgmt_t) +') + +optional_policy(` + nscd_socket_use(ipsec_mgmt_t) +') + +ifdef(`TODO',` +# 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 dev_fs:file_class_set getattr; +') dnl end TODO |