selinux-refpolicy/policy/modules/apps/gpg.te

policy_module(gpg, 2.14.0)

########################################
#
# Declarations
#

## <desc>
##	<p>
##	Determine whether GPG agent can manage
##	generic user home content files. This is
##	required by the --write-env-file option.
##	</p>
## </desc>
gen_tunable(gpg_agent_env_file, false)

## <desc>
##	<p>
##	Determine whether GPG agent can use OpenPGP
##	cards or Yubikeys over USB
##	</p>
## </desc>
gen_tunable(gpg_agent_use_card, false)

attribute_role gpg_roles;
roleattribute system_r gpg_roles;

attribute_role gpg_agent_roles;

attribute_role gpg_helper_roles;
roleattribute system_r gpg_helper_roles;

attribute_role gpg_pinentry_roles;

type gpg_t;
type gpg_exec_t;
userdom_user_application_domain(gpg_t, gpg_exec_t)
role gpg_roles types gpg_t;

type gpg_runtime_t;
files_pid_file(gpg_runtime_t)
userdom_user_runtime_content(gpg_runtime_t)

type gpg_agent_t;
type gpg_agent_exec_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;
userdom_user_tmp_file(gpg_agent_tmp_t)
userdom_user_runtime_content(gpg_agent_tmp_t)

type gpg_secret_t;
userdom_user_home_content(gpg_secret_t)

type gpg_helper_t;
type gpg_helper_exec_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 gpg_pinentry_exec_t;
typealias gpg_pinentry_exec_t alias pinentry_exec_t; # 20170105
userdom_user_application_domain(gpg_pinentry_t, gpg_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)
')

########################################
#
# Local policy
#

allow gpg_t self:capability { ipc_lock setuid };
allow gpg_t self:process { signal signull setrlimit getcap setcap getsched setsched setpgid };
dontaudit gpg_t self:netlink_audit_socket r_netlink_socket_perms;
allow gpg_t self:fifo_file rw_fifo_file_perms;
allow gpg_t self:tcp_socket { accept listen };

manage_dirs_pattern(gpg_t, gpg_runtime_t, gpg_runtime_t)
userdom_user_runtime_filetrans(gpg_t, gpg_runtime_t, dir, "gnupg")

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)
manage_sock_files_pattern(gpg_t, gpg_agent_tmp_t, gpg_agent_tmp_t)
files_tmp_filetrans(gpg_t, gpg_agent_tmp_t, { dir file })

manage_dirs_pattern(gpg_t, gpg_secret_t, gpg_secret_t)
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_user_home_dir_filetrans(gpg_t, gpg_secret_t, dir)

gpg_stream_connect_agent(gpg_t)

domtrans_pattern(gpg_t, gpg_agent_exec_t, gpg_agent_t)
domtrans_pattern(gpg_t, gpg_helper_exec_t, gpg_helper_t)

kernel_read_crypto_sysctls(gpg_t)
kernel_read_sysctl(gpg_t)
# read /proc/cpuinfo
kernel_read_system_state(gpg_t)

corecmd_exec_shell(gpg_t)
corecmd_exec_bin(gpg_t)

corenet_all_recvfrom_unlabeled(gpg_t)
corenet_all_recvfrom_netlabel(gpg_t)
corenet_tcp_sendrecv_generic_if(gpg_t)
corenet_tcp_sendrecv_generic_node(gpg_t)

corenet_sendrecv_all_client_packets(gpg_t)
corenet_tcp_connect_all_ports(gpg_t)
corenet_tcp_sendrecv_all_ports(gpg_t)

dev_read_generic_usb_dev(gpg_t)
dev_read_rand(gpg_t)
dev_read_urand(gpg_t)

files_read_usr_files(gpg_t)
files_dontaudit_search_var(gpg_t)

fs_getattr_xattr_fs(gpg_t)
fs_list_inotifyfs(gpg_t)

domain_use_interactive_fds(gpg_t)

auth_use_nsswitch(gpg_t)

logging_send_syslog_msg(gpg_t)

miscfiles_read_localization(gpg_t)

userdom_use_user_terminals(gpg_t)

userdom_manage_user_tmp_dirs(gpg_t)
userdom_manage_user_tmp_files(gpg_t)

userdom_user_content_access_template(gpg, gpg_t)

tunable_policy(`use_nfs_home_dirs',`
	fs_manage_nfs_dirs(gpg_t)
	fs_manage_nfs_files(gpg_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_manage_cifs_dirs(gpg_t)
	fs_manage_cifs_files(gpg_t)
')

optional_policy(`
	dirmngr_domtrans(gpg_t)
	dirmngr_stream_connect(gpg_t)
')

optional_policy(`
	evolution_read_orbit_tmp_files(gpg_t)
')

optional_policy(`
	gnome_read_generic_home_content(gpg_t)
	gnome_stream_connect_all_gkeyringd(gpg_t)
')

optional_policy(`
	mozilla_dontaudit_rw_user_home_files(gpg_t)
')

optional_policy(`
	mta_read_spool_files(gpg_t)
	mta_write_config(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)
')

########################################
#
# Helper local policy
#

allow gpg_helper_t self:process { getsched setsched };
allow gpg_helper_t self:unix_stream_socket create_stream_socket_perms;

dontaudit gpg_helper_t gpg_secret_t:file read_file_perms;

corenet_all_recvfrom_unlabeled(gpg_helper_t)
corenet_all_recvfrom_netlabel(gpg_helper_t)
corenet_tcp_sendrecv_generic_if(gpg_helper_t)
corenet_tcp_sendrecv_generic_node(gpg_helper_t)
corenet_tcp_sendrecv_all_ports(gpg_helper_t)

corenet_sendrecv_all_client_packets(gpg_helper_t)
corenet_tcp_connect_all_ports(gpg_helper_t)

auth_use_nsswitch(gpg_helper_t)

userdom_use_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)
')

########################################
#
# Agent local policy
#

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;

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)

manage_dirs_pattern(gpg_agent_t, gpg_runtime_t, gpg_runtime_t)
userdom_user_runtime_filetrans(gpg_agent_t, gpg_runtime_t, dir, "gnupg")

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 })

filetrans_pattern(gpg_agent_t, gpg_secret_t, gpg_agent_tmp_t, sock_file)
filetrans_pattern(gpg_agent_t, gpg_runtime_t, gpg_agent_tmp_t, sock_file)

domtrans_pattern(gpg_agent_t, gpg_pinentry_exec_t, gpg_pinentry_t)

kernel_dontaudit_search_sysctl(gpg_agent_t)
kernel_read_core_if(gpg_agent_t)
kernel_read_system_state(gpg_agent_t)

auth_use_nsswitch(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)

domain_use_interactive_fds(gpg_agent_t)

fs_dontaudit_list_inotifyfs(gpg_agent_t)

miscfiles_read_localization(gpg_agent_t)

userdom_use_user_terminals(gpg_agent_t)
userdom_search_user_home_dirs(gpg_agent_t)
userdom_search_user_runtime(gpg_agent_t)
userdom_user_runtime_filetrans(gpg_agent_t, gpg_agent_tmp_t, { dir file sock_file })

ifdef(`hide_broken_symptoms',`
	userdom_dontaudit_read_user_tmp_files(gpg_agent_t)
')

tunable_policy(`gpg_agent_env_file',`
	userdom_manage_user_home_content_dirs(gpg_agent_t)
	userdom_manage_user_home_content_files(gpg_agent_t)
	userdom_user_home_dir_filetrans_user_home_content(gpg_agent_t, file)
')

tunable_policy(`gpg_agent_use_card',`
	dev_read_sysfs(gpg_agent_t)
	dev_rw_generic_usb_dev(gpg_agent_t)
')

tunable_policy(`use_nfs_home_dirs',`
	fs_manage_nfs_dirs(gpg_agent_t)
	fs_manage_nfs_files(gpg_agent_t)
	fs_manage_nfs_symlinks(gpg_agent_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_manage_cifs_dirs(gpg_agent_t)
	fs_manage_cifs_files(gpg_agent_t)
	fs_manage_cifs_symlinks(gpg_agent_t)
')

optional_policy(`
	dbus_system_bus_client(gpg_agent_t)
')

optional_policy(`
	mozilla_dontaudit_rw_user_home_files(gpg_agent_t)
')

optional_policy(`
	pcscd_stream_connect(gpg_agent_t)
')

optional_policy(`
	xserver_sigchld_xdm(gpg_agent_t)
	xserver_read_user_xauth(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:shm create_shm_perms;
allow gpg_pinentry_t self:tcp_socket { accept listen };

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_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 })

can_exec(gpg_pinentry_t, gpg_pinentry_exec_t)

kernel_dontaudit_search_sysctl(gpg_pinentry_t)
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_all_recvfrom_unlabeled(gpg_pinentry_t)
corenet_tcp_sendrecv_generic_if(gpg_pinentry_t)
corenet_tcp_sendrecv_generic_node(gpg_pinentry_t)

dev_read_urand(gpg_pinentry_t)
dev_read_rand(gpg_pinentry_t)

domain_use_interactive_fds(gpg_pinentry_t)

files_map_usr_files(gpg_pinentry_t)
files_read_usr_files(gpg_pinentry_t)

fs_dontaudit_getattr_xattr_fs(gpg_pinentry_t)
fs_dontaudit_list_inotifyfs(gpg_pinentry_t)

auth_use_nsswitch(gpg_pinentry_t)

logging_send_syslog_msg(gpg_pinentry_t)

miscfiles_read_fonts(gpg_pinentry_t)
miscfiles_read_localization(gpg_pinentry_t)

userdom_use_user_terminals(gpg_pinentry_t)

xdg_read_data_files(gpg_pinentry_t)

tunable_policy(`use_nfs_home_dirs',`
	fs_read_nfs_files(gpg_pinentry_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_read_cifs_files(gpg_pinentry_t)
')

optional_policy(`
	dbus_all_session_bus_client(gpg_pinentry_t)
	dbus_system_bus_client(gpg_pinentry_t)

	optional_policy(`
		gnome_dbus_chat_all_gkeyringd(gpg_pinentry_t)
	')
')

optional_policy(`
	pulseaudio_run(gpg_pinentry_t, gpg_pinentry_roles)
')

optional_policy(`
	xserver_user_x_domain_template(gpg_pinentry, gpg_pinentry_t, gpg_pinentry_tmpfs_t)
')