diff options
Diffstat (limited to 'policy/modules/system/ipsec.te')
| -rw-r--r-- | policy/modules/system/ipsec.te | 445 |
1 files changed, 445 insertions, 0 deletions
diff --git a/policy/modules/system/ipsec.te b/policy/modules/system/ipsec.te new file mode 100644 index 000000000..21b8a8cc8 --- /dev/null +++ b/policy/modules/system/ipsec.te @@ -0,0 +1,445 @@ +policy_module(ipsec, 1.12.0) + +######################################## +# +# Declarations +# + +## <desc> +## <p> +## Allow racoon to read shadow +## </p> +## </desc> +gen_tunable(racoon_read_shadow, false) + +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 ipsec_initrc_exec_t; +init_script_file(ipsec_initrc_exec_t) + +# type for file(s) containing ipsec keys - RSA or preshared +type ipsec_key_file_t; +files_type(ipsec_key_file_t) + +type ipsec_log_t; +logging_log_file(ipsec_log_t) + +# Default type for IPSEC SPD entries +type ipsec_spd_t; +corenet_spd_type(ipsec_spd_t) + +type ipsec_tmp_t; +files_tmp_file(ipsec_tmp_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) + +type racoon_t; +type racoon_exec_t; +init_daemon_domain(racoon_t, racoon_exec_t) +role system_r types racoon_t; + +type racoon_tmp_t; +files_tmp_file(racoon_tmp_t) + +type setkey_t; +type setkey_exec_t; +init_system_domain(setkey_t, setkey_exec_t) +role system_r types setkey_t; + +######################################## +# +# ipsec Local policy +# + +allow ipsec_t self:capability { net_admin dac_override dac_read_search setpcap sys_nice }; +dontaudit ipsec_t self:capability { sys_ptrace sys_tty_config }; +allow ipsec_t self:process { getcap setcap getsched signal setsched }; +allow ipsec_t self:tcp_socket create_stream_socket_perms; +allow ipsec_t self:udp_socket create_socket_perms; +allow ipsec_t self:key_socket create_socket_perms; +allow ipsec_t self:fifo_file read_fifo_file_perms; +allow ipsec_t self:netlink_xfrm_socket { create_netlink_socket_perms nlmsg_write }; + +allow ipsec_t ipsec_initrc_exec_t:file read_file_perms; + +allow ipsec_t ipsec_conf_file_t:dir list_dir_perms; +read_files_pattern(ipsec_t, ipsec_conf_file_t, ipsec_conf_file_t) +read_lnk_files_pattern(ipsec_t, ipsec_conf_file_t, ipsec_conf_file_t) + +allow ipsec_t ipsec_key_file_t:dir list_dir_perms; +manage_files_pattern(ipsec_t, ipsec_key_file_t, ipsec_key_file_t) +read_lnk_files_pattern(ipsec_t, ipsec_key_file_t, ipsec_key_file_t) + +manage_dirs_pattern(ipsec_t, ipsec_tmp_t, ipsec_tmp_t) +manage_files_pattern(ipsec_t, ipsec_tmp_t, ipsec_tmp_t) +files_tmp_filetrans(ipsec_t, ipsec_tmp_t, { dir file }) + +manage_dirs_pattern(ipsec_t, ipsec_var_run_t, ipsec_var_run_t) +manage_files_pattern(ipsec_t, ipsec_var_run_t, ipsec_var_run_t) +manage_sock_files_pattern(ipsec_t, ipsec_var_run_t, ipsec_var_run_t) +files_pid_filetrans(ipsec_t, ipsec_var_run_t, { dir 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_mgmt_t ipsec_t:fd use; +allow ipsec_mgmt_t ipsec_t:fifo_file rw_fifo_file_perms; +allow ipsec_mgmt_t ipsec_t:unix_stream_socket { read write }; +allow ipsec_mgmt_t ipsec_t:process { rlimitinh 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_request_load_module(ipsec_t) +kernel_getattr_core_if(ipsec_t) +kernel_getattr_message_if(ipsec_t) + +corecmd_exec_shell(ipsec_t) +corecmd_exec_bin(ipsec_t) + +# Pluto needs network access +corenet_all_recvfrom_unlabeled(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_udp_bind_all_nodes(ipsec_t) +corenet_tcp_bind_reserved_port(ipsec_t) +corenet_tcp_bind_isakmp_port(ipsec_t) +corenet_udp_bind_isakmp_port(ipsec_t) +corenet_udp_bind_ipsecnat_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) + +domain_use_interactive_fds(ipsec_t) + +files_list_tmp(ipsec_t) +files_read_etc_files(ipsec_t) +files_read_usr_files(ipsec_t) +files_dontaudit_search_home(ipsec_t) + +fs_getattr_all_fs(ipsec_t) +fs_search_auto_mountpoints(ipsec_t) + +term_use_console(ipsec_t) +term_dontaudit_use_all_ttys(ipsec_t) + +auth_use_nsswitch(ipsec_t) + +init_use_fds(ipsec_t) +init_use_script_ptys(ipsec_t) + +logging_send_syslog_msg(ipsec_t) + +miscfiles_read_localization(ipsec_t) + +sysnet_domtrans_ifconfig(ipsec_t) + +userdom_dontaudit_use_unpriv_user_fds(ipsec_t) +userdom_dontaudit_search_user_home_dirs(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 { dac_override dac_read_search net_admin setpcap sys_nice }; +dontaudit ipsec_mgmt_t self:capability { sys_ptrace sys_tty_config }; +allow ipsec_mgmt_t self:process { getsched ptrace setrlimit setsched signal }; +allow ipsec_mgmt_t self:unix_stream_socket create_stream_socket_perms; +allow ipsec_mgmt_t self:tcp_socket create_stream_socket_perms; +allow ipsec_mgmt_t self:udp_socket create_socket_perms; +allow ipsec_mgmt_t self:key_socket create_socket_perms; +allow ipsec_mgmt_t self:fifo_file rw_fifo_file_perms; + +allow ipsec_mgmt_t ipsec_mgmt_lock_t:file manage_file_perms; +files_lock_filetrans(ipsec_mgmt_t, ipsec_mgmt_lock_t, file) + +manage_dirs_pattern(ipsec_mgmt_t, ipsec_tmp_t, ipsec_tmp_t) +manage_files_pattern(ipsec_mgmt_t, ipsec_tmp_t, ipsec_tmp_t) +files_tmp_filetrans(ipsec_mgmt_t, ipsec_tmp_t, { dir file }) + +manage_files_pattern(ipsec_mgmt_t, ipsec_log_t, ipsec_log_t) +logging_log_filetrans(ipsec_mgmt_t, ipsec_log_t, file) + +allow ipsec_mgmt_t ipsec_mgmt_var_run_t:file manage_file_perms; +files_pid_filetrans(ipsec_mgmt_t, ipsec_mgmt_var_run_t, file) + +manage_files_pattern(ipsec_mgmt_t, ipsec_var_run_t, ipsec_var_run_t) +manage_lnk_files_pattern(ipsec_mgmt_t, ipsec_var_run_t, ipsec_var_run_t) + +allow ipsec_mgmt_t ipsec_var_run_t:sock_file manage_sock_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 +read_files_pattern(ipsec_mgmt_t, ipsec_t, ipsec_t) +read_lnk_files_pattern(ipsec_mgmt_t, ipsec_t, ipsec_t) + +# 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 read_file_perms; + +manage_files_pattern(ipsec_mgmt_t, ipsec_key_file_t, ipsec_key_file_t) +manage_lnk_files_pattern(ipsec_mgmt_t, ipsec_key_file_t, ipsec_key_file_t) + +# whack needs to connect to pluto +stream_connect_pattern(ipsec_mgmt_t, ipsec_var_run_t, ipsec_var_run_t, ipsec_t) + +can_exec(ipsec_mgmt_t, ipsec_mgmt_exec_t) +allow ipsec_mgmt_t ipsec_mgmt_exec_t:lnk_file read; + +domtrans_pattern(ipsec_mgmt_t, ipsec_exec_t, ipsec_t) + +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) + +# the default updown script wants to run route +# the ipsec wrapper wants to run /usr/bin/logger (should we put +# it in its own domain?) +corecmd_exec_bin(ipsec_mgmt_t) +corecmd_exec_shell(ipsec_mgmt_t) + +dev_read_rand(ipsec_mgmt_t) +dev_read_urand(ipsec_mgmt_t) + +domain_use_interactive_fds(ipsec_mgmt_t) +# denials when ps tries to search /proc. Do not audit these denials. +domain_dontaudit_read_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_read_usr_files(ipsec_mgmt_t) +files_dontaudit_getattr_default_dirs(ipsec_mgmt_t) +files_dontaudit_getattr_default_files(ipsec_mgmt_t) +files_list_tmp(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) + +auth_dontaudit_read_login_records(ipsec_mgmt_t) + +init_read_utmp(ipsec_mgmt_t) +init_use_script_ptys(ipsec_mgmt_t) +init_exec_script_files(ipsec_mgmt_t) +init_use_fds(ipsec_mgmt_t) +init_labeled_script_domtrans(ipsec_mgmt_t, ipsec_initrc_exec_t) + +logging_send_syslog_msg(ipsec_mgmt_t) + +miscfiles_read_localization(ipsec_mgmt_t) + +seutil_dontaudit_search_config(ipsec_mgmt_t) + +sysnet_manage_config(ipsec_mgmt_t) +sysnet_domtrans_ifconfig(ipsec_mgmt_t) +sysnet_etc_filetrans_config(ipsec_mgmt_t) + +userdom_use_user_terminals(ipsec_mgmt_t) + +optional_policy(` + consoletype_exec(ipsec_mgmt_t) +') + +optional_policy(` + hostname_exec(ipsec_mgmt_t) +') + +optional_policy(` + dbus_system_bus_client(ipsec_mgmt_t) + dbus_connect_system_bus(ipsec_mgmt_t) + + optional_policy(` + networkmanager_dbus_chat(ipsec_mgmt_t) + ') +') + +optional_policy(` + iptables_domtrans(ipsec_mgmt_t) +') + +optional_policy(` + modutils_domtrans_insmod(ipsec_mgmt_t) +') + +optional_policy(` + nscd_socket_use(ipsec_mgmt_t) +') + +######################################## +# +# Racoon local policy +# + +allow racoon_t self:capability { net_admin net_bind_service }; +allow racoon_t self:netlink_route_socket create_netlink_socket_perms; +allow racoon_t self:unix_dgram_socket { connect create ioctl write }; +allow racoon_t self:netlink_selinux_socket { bind create read }; +allow racoon_t self:udp_socket create_socket_perms; +allow racoon_t self:key_socket create_socket_perms; +allow racoon_t self:fifo_file rw_fifo_file_perms; + +manage_dirs_pattern(racoon_t, racoon_tmp_t, racoon_tmp_t) +manage_files_pattern(racoon_t, racoon_tmp_t, racoon_tmp_t) +files_tmp_filetrans(racoon_t, racoon_tmp_t, { dir file }) + +can_exec(racoon_t, racoon_exec_t) + +can_exec(racoon_t, setkey_exec_t) + +# manage pid file +manage_files_pattern(racoon_t, ipsec_var_run_t, ipsec_var_run_t) +manage_sock_files_pattern(racoon_t, ipsec_var_run_t, ipsec_var_run_t) +files_pid_filetrans(racoon_t, ipsec_var_run_t, file) + +allow racoon_t ipsec_conf_file_t:dir list_dir_perms; +read_files_pattern(racoon_t, ipsec_conf_file_t, ipsec_conf_file_t) +read_lnk_files_pattern(racoon_t, ipsec_conf_file_t, ipsec_conf_file_t) + +allow racoon_t ipsec_key_file_t:dir list_dir_perms; +read_files_pattern(racoon_t, ipsec_key_file_t, ipsec_key_file_t) +read_lnk_files_pattern(racoon_t, ipsec_key_file_t, ipsec_key_file_t) + +kernel_read_system_state(racoon_t) +kernel_read_network_state(racoon_t) +kernel_request_load_module(racoon_t) + +corecmd_exec_shell(racoon_t) +corecmd_exec_bin(racoon_t) + +corenet_all_recvfrom_unlabeled(racoon_t) +corenet_tcp_sendrecv_all_if(racoon_t) +corenet_udp_sendrecv_all_if(racoon_t) +corenet_tcp_sendrecv_all_nodes(racoon_t) +corenet_udp_sendrecv_all_nodes(racoon_t) +corenet_tcp_bind_all_nodes(racoon_t) +corenet_udp_bind_all_nodes(racoon_t) +corenet_udp_bind_isakmp_port(racoon_t) +corenet_udp_bind_ipsecnat_port(racoon_t) + +dev_read_urand(racoon_t) + +# allow racoon to set contexts on ipsec policy and SAs +domain_ipsec_setcontext_all_domains(racoon_t) + +files_read_etc_files(racoon_t) + +fs_dontaudit_getattr_xattr_fs(racoon_t) + +# allow racoon to use avc_has_perm to check context on proposed SA +selinux_compute_access_vector(racoon_t) + +auth_use_nsswitch(racoon_t) + +ipsec_setcontext_default_spd(racoon_t) + +locallogin_use_fds(racoon_t) + +logging_send_syslog_msg(racoon_t) +logging_send_audit_msgs(racoon_t) + +miscfiles_read_localization(racoon_t) + +sysnet_exec_ifconfig(racoon_t) + +auth_can_read_shadow_passwords(racoon_t) +tunable_policy(`racoon_read_shadow',` + auth_tunable_read_shadow(racoon_t) +') + +######################################## +# +# Setkey local policy +# + +allow setkey_t self:capability net_admin; +allow setkey_t self:key_socket create_socket_perms; +allow setkey_t self:netlink_route_socket create_netlink_socket_perms; + +allow setkey_t ipsec_conf_file_t:dir list_dir_perms; +read_files_pattern(setkey_t, ipsec_conf_file_t, ipsec_conf_file_t) +read_lnk_files_pattern(setkey_t, ipsec_conf_file_t, ipsec_conf_file_t) + +kernel_request_load_module(setkey_t) + +# allow setkey utility to set contexts on SA's and policy +domain_ipsec_setcontext_all_domains(setkey_t) + +files_read_etc_files(setkey_t) + +init_dontaudit_use_fds(setkey_t) +init_read_script_tmp_files(setkey_t) + +# allow setkey to set the context for ipsec SAs and policy. +corenet_setcontext_all_spds(setkey_t) + +locallogin_use_fds(setkey_t) + +miscfiles_read_localization(setkey_t) + +seutil_read_config(setkey_t) + +userdom_use_user_terminals(setkey_t) + |