policy_module(gpg, 2.8.0) ######################################## # # Declarations # attribute gpgdomain; attribute_role gpg_roles; roleattribute system_r gpg_roles; attribute_role gpg_agent_roles; roleattribute system_r gpg_agent_roles; attribute_role gpg_helper_roles; roleattribute system_r gpg_helper_roles; attribute_role gpg_pinentry_roles; ## ##

## Allow gpg web domain to modify public files ## used for public file transfer services. ##

## gen_tunable(gpg_web_anon_write, false) type gpg_t, gpgdomain; type gpg_exec_t; typealias gpg_t alias { user_gpg_t staff_gpg_t sysadm_gpg_t }; typealias gpg_t alias { auditadm_gpg_t secadm_gpg_t }; userdom_user_application_domain(gpg_t, gpg_exec_t) role gpg_roles types gpg_t; type gpg_agent_t; type gpg_agent_exec_t; typealias gpg_agent_t alias { user_gpg_agent_t staff_gpg_agent_t sysadm_gpg_agent_t }; typealias gpg_agent_t alias { auditadm_gpg_agent_t secadm_gpg_agent_t }; userdom_user_application_domain(gpg_agent_t, gpg_agent_exec_t) role gpg_agent_roles types gpg_agent_t; type gpg_agent_tmp_t; typealias gpg_agent_tmp_t alias { user_gpg_agent_tmp_t staff_gpg_agent_tmp_t sysadm_gpg_agent_tmp_t }; typealias gpg_agent_tmp_t alias { auditadm_gpg_agent_tmp_t secadm_gpg_agent_tmp_t }; userdom_user_tmp_file(gpg_agent_tmp_t) type gpg_agent_tmpfs_t; typealias gpg_agent_tmpfs_t alias { user_gpg_agent_tmpfs_t staff_gpg_agent_tmpfs_t sysadm_gpg_agent_tmpfs_t }; typealias gpg_agent_tmpfs_t alias { auditadm_gpg_agent_tmpfs_t secadm_gpg_agent_tmpfs_t }; userdom_user_tmpfs_file(gpg_agent_tmpfs_t) type gpg_secret_t; typealias gpg_secret_t alias { user_gpg_secret_t staff_gpg_secret_t sysadm_gpg_secret_t }; typealias gpg_secret_t alias { auditadm_gpg_secret_t secadm_gpg_secret_t }; userdom_user_home_content(gpg_secret_t) type gpg_helper_t; type gpg_helper_exec_t; typealias gpg_helper_t alias { user_gpg_helper_t staff_gpg_helper_t sysadm_gpg_helper_t }; typealias gpg_helper_t alias { auditadm_gpg_helper_t secadm_gpg_helper_t }; userdom_user_application_domain(gpg_helper_t, gpg_helper_exec_t) role gpg_helper_roles types gpg_helper_t; type gpg_pinentry_t; type pinentry_exec_t; typealias gpg_pinentry_t alias { user_gpg_pinentry_t staff_gpg_pinentry_t sysadm_gpg_pinentry_t }; typealias gpg_pinentry_t alias { auditadm_gpg_pinentry_t secadm_gpg_pinentry_t }; userdom_user_application_domain(gpg_pinentry_t, pinentry_exec_t) role gpg_pinentry_roles types gpg_pinentry_t; type gpg_pinentry_tmp_t; userdom_user_tmp_file(gpg_pinentry_tmp_t) type gpg_pinentry_tmpfs_t; userdom_user_tmpfs_file(gpg_pinentry_tmpfs_t) optional_policy(` pulseaudio_tmpfs_content(gpg_pinentry_tmpfs_t) ') type gpg_web_t; domain_type(gpg_web_t) gpg_entry_type(gpg_web_t) role system_r types gpg_web_t; type gpg_tmpfs_t; files_tmpfs_file(gpg_tmpfs_t) ######################################## # # GPG local policy # allow gpg_t self:capability { dac_override fowner }; allow gpgdomain self:capability { ipc_lock setuid }; allow gpgdomain self:process { getsched setsched }; #at setrlimit is for ulimit -c 0 allow gpgdomain self:process { signal signull setrlimit getcap setcap setpgid }; dontaudit gpgdomain self:netlink_audit_socket { create_netlink_socket_perms nlmsg_relay }; allow gpgdomain self:netlink_kobject_uevent_socket create_socket_perms; allow gpgdomain self:netlink_audit_socket { create_socket_perms nlmsg_relay }; allow gpgdomain self:fifo_file rw_fifo_file_perms; allow gpgdomain self:tcp_socket create_stream_socket_perms; allow gpgdomain self:unix_stream_socket connectto; manage_dirs_pattern(gpg_t, gpg_agent_tmp_t, gpg_agent_tmp_t) manage_files_pattern(gpg_t, gpg_agent_tmp_t, gpg_agent_tmp_t) files_tmp_filetrans(gpg_t, gpg_agent_tmp_t, { dir file }) allow gpg_t gpg_agent_tmp_t:file map; can_exec(gpg_t, gpg_agent_tmp_t) allow gpg_t gpg_secret_t:dir { create_dir_perms watch_dir_perms }; manage_sock_files_pattern(gpg_t, gpg_secret_t, gpg_secret_t) manage_files_pattern(gpg_t, gpg_secret_t, gpg_secret_t) manage_lnk_files_pattern(gpg_t, gpg_secret_t, gpg_secret_t) userdom_admin_home_dir_filetrans(gpg_t, gpg_secret_t, dir, ".gnupg") userdom_user_home_dir_filetrans(gpg_t, gpg_secret_t, dir, ".gnupg") kernel_read_sysctl(gpg_t) kernel_read_system_state(gpg_t) kernel_getattr_core_if(gpg_t) corecmd_exec_shell(gpg_t) corecmd_exec_bin(gpg_t) corenet_all_recvfrom_netlabel(gpg_t) corenet_tcp_sendrecv_generic_if(gpg_t) corenet_udp_sendrecv_generic_if(gpg_t) corenet_tcp_sendrecv_generic_node(gpg_t) corenet_udp_sendrecv_generic_node(gpg_t) corenet_tcp_sendrecv_all_ports(gpg_t) corenet_udp_sendrecv_all_ports(gpg_t) corenet_tcp_connect_all_ports(gpg_t) corenet_sendrecv_all_client_packets(gpg_t) corenet_udp_bind_all_unreserved_ports(gpg_t) dev_read_rand(gpg_t) dev_read_urand(gpg_t) dev_read_generic_usb_dev(gpg_t) dev_dontaudit_getattr_all(gpg_t) dev_list_sysfs(gpg_t) dev_read_sysfs(gpg_t) dev_rw_generic_usb_dev(gpg_t) fs_getattr_xattr_fs(gpg_t) domain_use_interactive_fds(gpg_t) files_dontaudit_search_var(gpg_t) auth_use_nsswitch(gpg_t) init_dontaudit_getattr_initctl(gpg_t) logging_send_syslog_msg(gpg_t) miscfiles_map_generic_certs(gpg_t) term_search_ptys(gpg_t) term_use_generic_ptys(gpg_t) userdom_use_inherited_user_terminals(gpg_t) # sign/encrypt user files userdom_manage_all_user_tmp_content(gpg_t) #userdom_manage_user_home_content(gpg_t) userdom_manage_user_home_content_files(gpg_t) userdom_manage_user_home_content_dirs(gpg_t) userdom_filetrans_home_content(gpg_t) userdom_stream_connect(gpg_t) mta_manage_config(gpg_t) mta_read_spool(gpg_t) userdom_home_manager(gpg_t) optional_policy(` gpm_dontaudit_getattr_gpmctl(gpg_t) ') optional_policy(` gnome_manage_config(gpg_t) gnome_stream_connect_gkeyringd(gpg_t) ') optional_policy(` insights_client_read_config(gpg_t) insights_client_manage_lib_files(gpg_t) insights_client_write_lib_sock_files(gpg_t) insights_client_read_tmp(gpg_t) insights_client_write_tmp(gpg_t) ') optional_policy(` mozilla_read_user_home_files(gpg_t) mozilla_write_user_home_files(gpg_t) ') optional_policy(` rpm_manage_cache(gpg_t) ') optional_policy(` spamassassin_read_spamd_tmp_files(gpg_t) ') optional_policy(` xserver_use_xdm_fds(gpg_t) xserver_rw_xdm_pipes(gpg_t) ') optional_policy(` udev_read_db(gpg_t) ') #optional_policy(` # cron_system_entry(gpg_t, gpg_exec_t) # cron_read_system_job_tmp_files(gpg_t) #') ######################################## # # GPG helper local policy # domtrans_pattern(gpg_t, gpg_agent_exec_t, gpg_agent_t) allow gpg_helper_t self:process { getsched setsched }; # for helper programs (which automatically fetch keys) # Note: this is only tested with the hkp interface. If you use eg the # mail interface you will likely need additional permissions. allow gpg_helper_t self:unix_stream_socket create_stream_socket_perms; allow gpg_helper_t self:tcp_socket { connect connected_socket_perms }; allow gpg_helper_t self:udp_socket { connect connected_socket_perms }; dontaudit gpg_helper_t gpg_secret_t:file read; corenet_all_recvfrom_netlabel(gpg_helper_t) corenet_tcp_sendrecv_generic_if(gpg_helper_t) corenet_raw_sendrecv_generic_if(gpg_helper_t) corenet_udp_sendrecv_generic_if(gpg_helper_t) corenet_tcp_sendrecv_generic_node(gpg_helper_t) corenet_udp_sendrecv_generic_node(gpg_helper_t) corenet_raw_sendrecv_generic_node(gpg_helper_t) corenet_tcp_sendrecv_all_ports(gpg_helper_t) corenet_udp_sendrecv_all_ports(gpg_helper_t) corenet_tcp_bind_generic_node(gpg_helper_t) corenet_udp_bind_generic_node(gpg_helper_t) corenet_tcp_connect_all_ports(gpg_helper_t) auth_use_nsswitch(gpg_helper_t) userdom_use_inherited_user_terminals(gpg_helper_t) tunable_policy(`use_nfs_home_dirs',` fs_dontaudit_rw_nfs_files(gpg_helper_t) ') tunable_policy(`use_samba_home_dirs',` fs_dontaudit_rw_cifs_files(gpg_helper_t) ') ######################################## # # GPG agent local policy # domtrans_pattern(gpg_t, gpg_agent_exec_t, gpg_agent_t) allow gpg_agent_t self:capability fowner; # rlimit: gpg-agent wants to prevent coredumps allow gpg_agent_t self:process { setrlimit signal_perms }; allow gpg_agent_t self:unix_stream_socket { create_stream_socket_perms connectto } ; allow gpg_agent_t self:fifo_file rw_fifo_file_perms; allow gpg_agent_t self:netlink_kobject_uevent_socket create_socket_perms; # read and write ~/.gnupg (gpg-agent stores secret keys in ~/.gnupg/private-keys-v1.d ) manage_dirs_pattern(gpg_agent_t, gpg_secret_t, gpg_secret_t) manage_sock_files_pattern(gpg_agent_t, gpg_secret_t, gpg_secret_t) manage_files_pattern(gpg_agent_t, gpg_secret_t, gpg_secret_t) manage_lnk_files_pattern(gpg_agent_t, gpg_secret_t, gpg_secret_t) # Allow the gpg-agent to manage its tmp files (socket) manage_dirs_pattern(gpg_agent_t, gpg_agent_tmp_t, gpg_agent_tmp_t) manage_files_pattern(gpg_agent_t, gpg_agent_tmp_t, gpg_agent_tmp_t) manage_sock_files_pattern(gpg_agent_t, gpg_agent_tmp_t, gpg_agent_tmp_t) files_tmp_filetrans(gpg_agent_t, gpg_agent_tmp_t, { file sock_file dir }) manage_dirs_pattern(gpg_agent_t, gpg_agent_tmpfs_t, gpg_agent_tmpfs_t) manage_files_pattern(gpg_agent_t, gpg_agent_tmpfs_t, gpg_agent_tmpfs_t) manage_sock_files_pattern(gpg_agent_t, gpg_agent_tmpfs_t, gpg_agent_tmpfs_t) fs_tmpfs_filetrans(gpg_agent_t, gpg_agent_tmpfs_t, { dir file sock_file }) # allow gpg to connect to the gpg agent stream_connect_pattern(gpg_t, gpg_agent_tmp_t, gpg_agent_tmp_t, gpg_agent_t) kernel_read_system_state(gpg_agent_t) kernel_read_core_if(gpg_agent_t) auth_use_nsswitch(gpg_agent_t) corecmd_read_bin_symlinks(gpg_agent_t) corecmd_exec_bin(gpg_agent_t) corecmd_exec_shell(gpg_agent_t) dev_read_rand(gpg_agent_t) dev_read_urand(gpg_agent_t) dev_rw_generic_usb_dev(gpg_agent_t) dev_list_sysfs(gpg_agent_t) dev_read_sysfs(gpg_agent_t) dev_dontaudit_getattr_all_chr_files(gpg_agent_t) dev_dontaudit_getattr_all_blk_files(gpg_agent_t) domain_use_interactive_fds(gpg_agent_t) init_getattr_initctl(gpg_agent_t) logging_send_syslog_msg(gpg_agent_t) miscfiles_read_certs(gpg_agent_t) # Write to the user domain tty. userdom_use_inherited_user_terminals(gpg_agent_t) # read and write ~/.gnupg (gpg-agent stores secret keys in ~/.gnupg/private-keys-v1.d ) userdom_search_user_home_dirs(gpg_agent_t) userdom_filetrans_home_content(gpg_agent_t) userdom_manage_user_home_content_dirs(gpg_agent_t) userdom_manage_user_home_content_files(gpg_agent_t) userdom_manage_all_user_tmp_content(gpg_agent_t) ifdef(`hide_broken_symptoms',` userdom_dontaudit_read_user_tmp_files(gpg_agent_t) userdom_dontaudit_write_user_tmp_files(gpg_agent_t) ') userdom_home_manager(gpg_agent_t) optional_policy(` gnome_manage_config(gpg_agent_t) ') optional_policy(` insights_client_manage_lib_dirs(gpg_agent_t) insights_client_manage_lib_files(gpg_agent_t) insights_client_manage_lib_sock_files(gpg_agent_t) ') optional_policy(` mozilla_dontaudit_rw_user_home_files(gpg_agent_t) ') optional_policy(` pcscd_stream_connect(gpg_agent_t) ') optional_policy(` gpm_getattr_gpmctl(gpg_agent_t) ') optional_policy(` udev_read_db(gpg_agent_t) ') ############################## # # Pinentry local policy # allow gpg_pinentry_t self:process { getcap getsched setsched signal }; allow gpg_pinentry_t self:fifo_file rw_fifo_file_perms; allow gpg_pinentry_t self:netlink_route_socket create_netlink_socket_perms; allow gpg_pinentry_t self:shm create_shm_perms; allow gpg_pinentry_t self:tcp_socket create_stream_socket_perms; allow gpg_pinentry_t self:unix_dgram_socket sendto; allow gpg_pinentry_t self:unix_stream_socket { connect create getattr read shutdown write }; can_exec(gpg_pinentry_t, pinentry_exec_t) # we need to allow gpg-agent to call pinentry so it can get the passphrase # from the user. allow gpg_agent_t gpg_pinentry_t:process { siginh noatsecure rlimitinh }; domtrans_pattern(gpg_agent_t, pinentry_exec_t, gpg_pinentry_t) ps_process_pattern(gpg_pinentry_t, gpg_t) manage_sock_files_pattern(gpg_pinentry_t, gpg_pinentry_tmp_t, gpg_pinentry_tmp_t) userdom_user_tmp_filetrans(gpg_pinentry_t, gpg_pinentry_tmp_t, sock_file) manage_dirs_pattern(gpg_pinentry_t, gpg_agent_tmp_t, gpg_agent_tmp_t) manage_files_pattern(gpg_pinentry_t, gpg_agent_tmp_t, gpg_agent_tmp_t) manage_sock_files_pattern(gpg_pinentry_t, gpg_agent_tmp_t, gpg_agent_tmp_t) files_tmp_filetrans(gpg_pinentry_t, gpg_agent_tmp_t, { dir sock_file file }) manage_dirs_pattern(gpg_pinentry_t, gpg_pinentry_tmpfs_t, gpg_pinentry_tmpfs_t) manage_files_pattern(gpg_pinentry_t, gpg_pinentry_tmpfs_t, gpg_pinentry_tmpfs_t) fs_tmpfs_filetrans(gpg_pinentry_t, gpg_pinentry_tmpfs_t, { file dir }) # read and write ~/.gnupg (gpg-agent stores secret keys in ~/.gnupg/private-keys-v1.d ) manage_dirs_pattern(gpg_pinentry_t, gpg_secret_t, gpg_secret_t) manage_sock_files_pattern(gpg_pinentry_t, gpg_secret_t, gpg_secret_t) manage_files_pattern(gpg_pinentry_t, gpg_secret_t, gpg_secret_t) manage_lnk_files_pattern(gpg_pinentry_t, gpg_secret_t, gpg_secret_t) # read /proc/meminfo kernel_read_system_state(gpg_pinentry_t) corecmd_exec_shell(gpg_pinentry_t) corecmd_exec_bin(gpg_pinentry_t) corenet_all_recvfrom_netlabel(gpg_pinentry_t) corenet_sendrecv_pulseaudio_client_packets(gpg_pinentry_t) corenet_tcp_bind_generic_node(gpg_pinentry_t) corenet_tcp_connect_pulseaudio_port(gpg_pinentry_t) corenet_tcp_sendrecv_generic_if(gpg_pinentry_t) corenet_tcp_sendrecv_generic_node(gpg_pinentry_t) corenet_tcp_sendrecv_generic_port(gpg_pinentry_t) dev_read_urand(gpg_pinentry_t) dev_read_rand(gpg_pinentry_t) # read /etc/X11/qtrc fs_getattr_all_fs(gpg_pinentry_t) auth_use_nsswitch(gpg_pinentry_t) logging_send_syslog_msg(gpg_pinentry_t) miscfiles_read_fonts(gpg_pinentry_t) term_search_ptys(gpg_pinentry_t) # for .Xauthority userdom_read_user_home_content_files(gpg_pinentry_t) userdom_read_user_tmp_files(gpg_pinentry_t) # Bug: user pulseaudio files need open,read and unlink: allow gpg_pinentry_t user_tmp_t:file unlink; userdom_signull_unpriv_users(gpg_pinentry_t) userdom_use_user_terminals(gpg_pinentry_t) userdom_home_reader(gpg_pinentry_t) userdom_stream_connect(gpg_pinentry_t) userdom_map_tmp_files(gpg_pinentry_t) optional_policy(` gnome_manage_home_config(gpg_pinentry_t) ') optional_policy(` dbus_session_bus_client(gpg_pinentry_t) dbus_system_bus_client(gpg_pinentry_t) ') optional_policy(` gnome_write_generic_cache_files(gpg_pinentry_t) gnome_read_generic_cache_files(gpg_pinentry_t) gnome_read_gconf_home_files(gpg_pinentry_t) ') optional_policy(` pulseaudio_run(gpg_pinentry_t, gpg_pinentry_roles) pulseaudio_stream_connect(gpg_pinentry_t) ') optional_policy(` xserver_user_x_domain_template(gpg_pinentry, gpg_pinentry_t, gpg_pinentry_tmpfs_t) ') optional_policy(` ssh_read_state(gpg_pinentry_t) ') ############################# # # gpg web local policy # allow gpg_web_t self:process setrlimit; dev_read_rand(gpg_web_t) dev_read_urand(gpg_web_t) can_exec(gpg_web_t, gpg_exec_t) apache_dontaudit_rw_tmp_files(gpg_web_t) apache_manage_sys_content_rw(gpg_web_t) tunable_policy(`gpg_web_anon_write',` miscfiles_manage_public_files(gpg_web_t) ')