policy_module(rpc, 1.15.1)

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

## <desc>
## <p>
## Allow gssd to list tmp directories and read the kerberos credential cache.
## </p>
## </desc>
gen_tunable(gssd_read_tmp, true)

## <desc>
## <p>
## Allow nfs servers to modify public files
## used for public file transfer services.  Files/Directories must be
## labeled public_content_rw_t.
## </p>
## </desc>
gen_tunable(nfsd_anon_write, false)

## <desc>
## <p>
## Allow rpcd_t  to manage fuse files
## </p>
## </desc>
gen_tunable(rpcd_use_fusefs, false)

attribute rpc_domain;

type exports_t;
files_config_file(exports_t)

rpc_domain_template(gssd)

type gssd_keytab_t;
files_type(gssd_keytab_t)

type gssd_tmp_t;
files_tmp_file(gssd_tmp_t)

type rpcd_var_run_t;
files_pid_file(rpcd_var_run_t)

type rpcd_lock_t;
files_lock_file(rpcd_lock_t)

# rpcd_t is the domain of rpc daemons.
# rpc_exec_t is the type of rpc daemon programs.
rpc_domain_template(rpcd)

type rpcd_initrc_exec_t;
init_script_file(rpcd_initrc_exec_t)

type rpcd_unit_file_t;
systemd_unit_file(rpcd_unit_file_t)

rpc_domain_template(nfsd)

type nfsd_initrc_exec_t;
init_script_file(nfsd_initrc_exec_t)

type nfsd_unit_file_t;
systemd_unit_file(nfsd_unit_file_t)

type var_lib_nfs_t;
files_mountpoint(var_lib_nfs_t)

type nfsd_tmp_t;
files_tmp_file(nfsd_tmp_t)

########################################
#
# Common rpc domain local policy
#

dontaudit rpc_domain self:capability { net_admin sys_tty_config };
allow rpc_domain self:process signal_perms;
allow rpc_domain self:unix_stream_socket { accept listen };
allow rpc_domain self:tcp_socket { accept listen };

manage_dirs_pattern(rpc_domain, var_lib_nfs_t, var_lib_nfs_t)
manage_files_pattern(rpc_domain, var_lib_nfs_t, var_lib_nfs_t)

kernel_read_kernel_sysctls(rpc_domain)
kernel_rw_rpc_sysctls(rpc_domain)

dev_read_sysfs(rpc_domain)
dev_read_urand(rpc_domain)
dev_read_rand(rpc_domain)

corenet_tcp_sendrecv_generic_if(rpc_domain)
corenet_udp_sendrecv_generic_if(rpc_domain)
corenet_tcp_sendrecv_generic_node(rpc_domain)
corenet_udp_sendrecv_generic_node(rpc_domain)
corenet_tcp_sendrecv_all_ports(rpc_domain)
corenet_udp_sendrecv_all_ports(rpc_domain)
corenet_tcp_bind_generic_node(rpc_domain)
corenet_udp_bind_generic_node(rpc_domain)

corenet_sendrecv_all_server_packets(rpc_domain)
corenet_tcp_bind_reserved_port(rpc_domain)
corenet_tcp_connect_all_ports(rpc_domain)
corenet_sendrecv_portmap_client_packets(rpc_domain)
corenet_dontaudit_tcp_bind_all_ports(rpc_domain)
corenet_dontaudit_udp_bind_all_ports(rpc_domain)
corenet_tcp_bind_generic_port(rpc_domain)
corenet_udp_bind_generic_port(rpc_domain)
corenet_tcp_bind_all_rpc_ports(rpc_domain)
corenet_udp_bind_all_rpc_ports(rpc_domain)

fs_rw_rpc_named_pipes(rpc_domain)
fs_search_auto_mountpoints(rpc_domain)

files_read_etc_runtime_files(rpc_domain)
files_read_usr_files(rpc_domain)
files_list_home(rpc_domain)

userdom_dontaudit_use_unpriv_user_fds(rpc_domain)

optional_policy(`
    rpcbind_stream_connect(rpc_domain)
')

optional_policy(`
    seutil_sigchld_newrole(rpc_domain)
')

optional_policy(`
    udev_read_db(rpc_domain)
')

########################################
#
# RPC local policy
#

allow rpcd_t self:capability { setpcap sys_admin chown dac_read_search dac_override setgid setuid };
allow rpcd_t self:capability2 block_suspend;

allow rpcd_t self:process { getcap setcap };
allow rpcd_t self:fifo_file rw_fifo_file_perms;

allow rpcd_t rpcd_var_run_t:dir setattr_dir_perms;
manage_dirs_pattern(rpcd_t, rpcd_var_run_t, rpcd_var_run_t)
manage_files_pattern(rpcd_t, rpcd_var_run_t, rpcd_var_run_t)
files_pid_filetrans(rpcd_t, rpcd_var_run_t, { file dir })

read_lnk_files_pattern(rpcd_t, var_lib_nfs_t, var_lib_nfs_t)

allow rpcd_t rpcd_lock_t:file manage_file_perms;
files_lock_filetrans(rpcd_t, rpcd_lock_t, file)

# rpc.statd executes sm-notify
can_exec(rpcd_t, rpcd_exec_t)

kernel_read_system_state(rpcd_t)
kernel_write_proc_files(rpcd_t)
kernel_read_network_state(rpcd_t)
# for rpc.rquotad
kernel_read_sysctl(rpcd_t)
kernel_rw_fs_sysctls(rpcd_t)
kernel_dontaudit_getattr_core_if(rpcd_t)
kernel_signal(rpcd_t)

corecmd_exec_bin(rpcd_t)

files_manage_mounttab(rpcd_t)
files_getattr_all_dirs(rpcd_t)

fs_list_rpc(rpcd_t)
fs_read_rpc_files(rpcd_t)
fs_read_nfsd_files(rpcd_t)
fs_read_rpc_symlinks(rpcd_t)
fs_rw_rpc_sockets(rpcd_t)
fs_get_all_fs_quotas(rpcd_t)
fs_set_xattr_fs_quotas(rpcd_t)
fs_getattr_all_fs(rpcd_t)
fs_watch_rpc_dirs(rpcd_t)

storage_getattr_fixed_disk_dev(rpcd_t)

init_read_utmp(rpcd_t)

selinux_dontaudit_read_fs(rpcd_t)

miscfiles_read_generic_certs(rpcd_t)

userdom_signal_unpriv_users(rpcd_t)
userdom_read_user_home_content_files(rpcd_t)

tunable_policy(`rpcd_use_fusefs',`
	fs_manage_fusefs_dirs(rpcd_t)
	fs_manage_fusefs_files(rpcd_t)
	fs_read_fusefs_symlinks(rpcd_t)
	fs_getattr_fusefs(rpcd_t)
')

ifdef(`distro_debian',`
	term_dontaudit_use_unallocated_ttys(rpcd_t)
')

optional_policy(`
	automount_signal(rpcd_t)
	automount_dontaudit_write_pipes(rpcd_t)
')

optional_policy(`
	domain_unconfined_signal(rpcd_t)
')

optional_policy(`
	quota_manage_db(rpcd_t)
')

optional_policy(`
	nis_read_ypserv_config(rpcd_t)
')

optional_policy(`
	quota_read_db(rpcd_t)
')

optional_policy(`
	rhcs_manage_cluster_tmp_files(rpcd_t)
')

optional_policy(`
    samba_stream_connect_nmbd(rpcd_t)
')

########################################
#
# NFSD local policy
#

allow nfsd_t self:capability { dac_read_search dac_override sys_admin sys_chroot sys_rawio sys_resource };

allow nfsd_t self:process { setcap };

allow nfsd_t exports_t:file read_file_perms;
allow nfsd_t exports_t:dir list_dir_perms;

manage_dirs_pattern(nfsd_t, nfsd_tmp_t, nfsd_tmp_t)
manage_files_pattern(nfsd_t, nfsd_tmp_t, nfsd_tmp_t)
files_tmp_filetrans(nfsd_t, nfsd_tmp_t, { file dir })

manage_files_pattern(nfsd_t, rpcd_var_run_t, rpcd_var_run_t)
files_pid_filetrans(nfsd_t, rpcd_var_run_t, { file })

# for /proc/fs/nfs/exports - should we have a new type?
kernel_read_system_state(nfsd_t)
kernel_read_network_state(nfsd_t)
kernel_dontaudit_getattr_core_if(nfsd_t)
kernel_dontaudit_setsched(nfsd_t)
kernel_request_load_module(nfsd_t)
kernel_mounton_proc(nfsd_t)
kernel_read_net_sysctls(nfsd_t)
kernel_rw_rpc_sysctls_dirs(nfsd_t)
kernel_create_rpc_sysctls(nfsd_t)
kernel_rw_fs_sysctls(nfsd_t)

corecmd_exec_shell(nfsd_t)

corenet_tcp_bind_all_rpc_ports(nfsd_t)
corenet_udp_bind_all_rpc_ports(nfsd_t)
corenet_tcp_bind_nfs_port(nfsd_t)
corenet_udp_bind_nfs_port(nfsd_t)
corenet_udp_bind_mountd_port(nfsd_t)
corenet_tcp_bind_mountd_port(nfsd_t)

dev_dontaudit_getattr_all_blk_files(nfsd_t)
dev_dontaudit_getattr_all_chr_files(nfsd_t)
dev_rw_lvm_control(nfsd_t)

# does not really need this, but it is easier to just allow it
files_search_pids(nfsd_t)
# for exportfs and rpc.mountd
files_getattr_tmp_dirs(nfsd_t)
# cjp: this should really have its own type
files_manage_mounttab(nfsd_t)
files_read_etc_runtime_files(nfsd_t)

fs_read_configfs_files(nfsd_t)
fs_read_configfs_dirs(nfsd_t)
fs_mounton_nfsd_fs(nfsd_t)
fs_mount_nfsd_fs(nfsd_t)
fs_getattr_all_fs(nfsd_t)
fs_getattr_all_dirs(nfsd_t)
fs_manage_nfsd_fs(nfsd_t)

storage_raw_read_fixed_disk(nfsd_t)
storage_raw_read_removable_device(nfsd_t)

allow nfsd_t nfsd_unit_file_t:file manage_file_perms;
systemd_unit_file_filetrans(nfsd_t, nfsd_unit_file_t, file)
systemd_create_unit_file_dirs(nfsd_t)
systemd_create_unit_file_lnk(nfsd_t)

# Read access to public_content_t and public_content_rw_t
miscfiles_read_public_files(nfsd_t)

userdom_filetrans_home_content(nfsd_t)
userdom_list_user_tmp(nfsd_t)

# Write access to public_content_t and public_content_rw_t
tunable_policy(`nfsd_anon_write',`
	miscfiles_manage_public_files(nfsd_t)
')

tunable_policy(`nfs_export_all_rw',`
	dev_getattr_all_blk_files(nfsd_t)
	dev_getattr_all_chr_files(nfsd_t)

	fs_read_noxattr_fs_files(nfsd_t)
')

tunable_policy(`nfs_export_all_ro',`
	dev_getattr_all_blk_files(nfsd_t)
	dev_getattr_all_chr_files(nfsd_t)

	files_getattr_all_pipes(nfsd_t)
	files_getattr_all_sockets(nfsd_t)

	fs_read_noxattr_fs_files(nfsd_t)

	files_read_non_security_files(nfsd_t)
')

optional_policy(`
    glusterd_manage_log(nfsd_t)
    glusterd_manage_pid(nfsd_t)
')

optional_policy(`
    dbus_system_bus_client(nfsd_t)
    dbus_acquire_svc_system_dbusd(nfsd_t)
')

optional_policy(`
    kerberos_read_keytab(nfsd_t)
')

optional_policy(`
    fsadm_manage_pid(nfsd_t)
')

optional_policy(`
	mount_exec(nfsd_t)
	mount_manage_pid_files(nfsd_t)
')

########################################
#
# GSSD local policy
#

allow gssd_t self:capability {  dac_read_search setuid setgid sys_nice };
allow gssd_t self:process { getsched setsched };
allow gssd_t self:fifo_file rw_fifo_file_perms;

allow gssd_t gssd_keytab_t:file read_file_perms;

manage_dirs_pattern(gssd_t, gssd_tmp_t, gssd_tmp_t)
manage_files_pattern(gssd_t, gssd_tmp_t, gssd_tmp_t)
files_tmp_filetrans(gssd_t, gssd_tmp_t, { file dir })

kernel_read_system_state(gssd_t)
kernel_read_network_state(gssd_t)
kernel_read_network_state_symlinks(gssd_t)
kernel_request_load_module(gssd_t)
kernel_read_net_sysctls(gssd_t)
kernel_signal(gssd_t)

corecmd_exec_bin(gssd_t)

domain_manage_all_domains_keyrings(gssd_t)

fs_list_rpc(gssd_t)
fs_rw_rpc_sockets(gssd_t)
fs_read_rpc_files(gssd_t)
fs_read_nfsd_files(gssd_t)
fs_list_tmpfs(gssd_t)
fs_watch_rpc_dirs(gssd_t)

files_list_tmp(gssd_t)
files_read_usr_symlinks(gssd_t)
files_dontaudit_write_var_dirs(gssd_t)

auth_use_nsswitch(gssd_t)
auth_manage_cache(gssd_t)
auth_login_manage_key(gssd_t)

miscfiles_read_generic_certs(gssd_t)

userdom_signal_all_users(gssd_t)
userdom_manage_all_users_keys(gssd_t)

tunable_policy(`gssd_read_tmp',`
	userdom_list_user_tmp(gssd_t)
	userdom_read_user_tmp_files(gssd_t)
	userdom_read_user_tmp_symlinks(gssd_t)
	userdom_manage_user_tmp_files(gssd_t)
	files_read_generic_tmp_files(gssd_t)
')

optional_policy(`
	automount_signal(gssd_t)
')

optional_policy(`
    realmd_read_var_lib(gssd_t)
')

optional_policy(`
	gssproxy_stream_connect(gssd_t)
')
optional_policy(`
	kerberos_manage_host_rcache(gssd_t)
	kerberos_read_home_content(gssd_t)
	kerberos_read_keytab(gssd_t)
	kerberos_tmp_filetrans_host_rcache(gssd_t, "nfs_0")
	kerberos_use(gssd_t)
')

optional_policy(`
	mount_signal(gssd_t)
')

optional_policy(`
	pcscd_read_pid_files(gssd_t)
')

optional_policy(`
	xserver_rw_xdm_tmp_files(gssd_t)
')

########################################
#
# nfsidmap policy
#

type nfsidmap_exec_t;
files_type(nfsidmap_exec_t)

type nfsidmap_t;
domain_type(nfsidmap_t)
domain_entry_file(nfsidmap_t, nfsidmap_exec_t)
role system_r types nfsidmap_t;

allow nfsidmap_t self:key write;
allow nfsidmap_t self:netlink_route_socket r_netlink_socket_perms;
allow nfsidmap_t self:udp_socket create_socket_perms;

kernel_setattr_key(nfsidmap_t)

sysnet_read_config(nfsidmap_t)

optional_policy(`
	auth_read_passwd(nfsidmap_t)
')

optional_policy(`
	logging_send_syslog_msg(nfsidmap_t)
')

optional_policy(`
	# /etc/request-key.d/id_resolver.conf
	keyutils_request_domtrans_to(nfsidmap_t, nfsidmap_exec_t)
')

optional_policy(`
	systemd_machined_stream_connect(nfsidmap_t)
	systemd_userdbd_stream_connect(nfsidmap_t)
')