rpc.te

policy_module(rpc, 1.20.3)

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

## <desc>
##	<p>
##	Determine whether gssd can read
##	generic user temporary content.
##	</p>
## </desc>
gen_tunable(allow_gssd_read_tmp, false)

## <desc>
##	<p>
##	Determine whether gssd can write
##	generic user temporary content.
##	</p>
## </desc>
gen_tunable(allow_gssd_write_tmp, false)

## <desc>
##	<p>
##	Determine whether nfs can modify
##	public files used for public file
##	transfer services. Directories/Files must
##	be labeled public_content_rw_t.
##	</p>
## </desc>
gen_tunable(allow_nfsd_anon_write, 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)

rpc_domain_template(rpcd)

type rpcd_initrc_exec_t;
init_script_file(rpcd_initrc_exec_t)

type rpcd_unit_t;
init_unit_file(rpcd_unit_t)

rpc_domain_template(nfsd)

type nfsd_initrc_exec_t;
init_script_file(nfsd_initrc_exec_t)

type nfsd_rw_t;
files_type(nfsd_rw_t)

type nfsd_ro_t;
files_type(nfsd_ro_t)

type nfsd_unit_t;
init_unit_file(nfsd_unit_t)

type var_lib_nfs_t;
files_mountpoint(var_lib_nfs_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_system_state(rpc_domain)
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_all_recvfrom_unlabeled(rpc_domain)
corenet_all_recvfrom_netlabel(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)

logging_send_syslog_msg(rpc_domain)

miscfiles_read_localization(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)
')

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

allow rpcd_t self:capability { chown dac_override setgid setpcap setuid sys_admin };
allow rpcd_t self:capability2 block_suspend;
allow rpcd_t self:process { getcap setcap };
allow rpcd_t self:fifo_file rw_fifo_file_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 })

can_exec(rpcd_t, rpcd_exec_t)

kernel_read_network_state(rpcd_t)
kernel_read_sysctl(rpcd_t)
kernel_rw_fs_sysctls(rpcd_t)
kernel_dontaudit_getattr_core_if(rpcd_t)
kernel_signal(rpcd_t)
# for /proc/fs/lockd/nlm_end_grace
kernel_write_proc_files(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_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)

storage_getattr_fixed_disk_dev(rpcd_t)

selinux_dontaudit_read_fs(rpcd_t)

miscfiles_read_generic_certs(rpcd_t)
miscfiles_read_generic_tls_privkey(rpcd_t)

seutil_dontaudit_search_config(rpcd_t)

userdom_signal_all_users(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(`
	nis_read_ypserv_config(rpcd_t)
')

optional_policy(`
	quota_manage_db_files(rpcd_t)
')

optional_policy(`
	rgmanager_manage_tmp_files(rpcd_t)
')

optional_policy(`
	unconfined_signal(rpcd_t)
')

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

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

allow nfsd_t exports_t:file read_file_perms;
allow nfsd_t { nfsd_rw_t nfsd_ro_t }:dir list_dir_perms;

kernel_read_network_state(nfsd_t)
kernel_dontaudit_getattr_core_if(nfsd_t)
kernel_setsched(nfsd_t)
kernel_request_load_module(nfsd_t)
# kernel_mounton_proc(nfsd_t)

corenet_sendrecv_nfs_server_packets(nfsd_t)
corenet_tcp_bind_nfs_port(nfsd_t)
corenet_udp_bind_nfs_port(nfsd_t)

corecmd_exec_shell(nfsd_t)

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

files_getattr_tmp_dirs(nfsd_t)
files_manage_mounttab(nfsd_t)

fs_mount_nfsd_fs(nfsd_t)
fs_getattr_all_fs(nfsd_t)
fs_getattr_all_dirs(nfsd_t)
fs_rw_nfsd_fs(nfsd_t)
# fs_manage_nfsd_fs(nfsd_t)

storage_dontaudit_read_fixed_disk(nfsd_t)
storage_raw_read_removable_device(nfsd_t)

miscfiles_read_public_files(nfsd_t)

tunable_policy(`allow_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)
	files_manage_non_auth_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_list_non_auth_dirs(nfsd_t)
	files_read_non_auth_files(nfsd_t)
')

optional_policy(`
	mount_exec(nfsd_t)
')

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

allow gssd_t self:capability { dac_override dac_read_search setgid setuid 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_network_state(gssd_t)
kernel_read_network_state_symlinks(gssd_t)
kernel_request_load_module(gssd_t)
kernel_search_network_sysctl(gssd_t)
kernel_signal(gssd_t)

corecmd_exec_bin(gssd_t)

fs_list_inotifyfs(gssd_t)
fs_list_rpc(gssd_t)
fs_rw_rpc_sockets(gssd_t)
fs_read_rpc_files(gssd_t)
fs_read_nfs_files(gssd_t)

files_list_tmp(gssd_t)
files_dontaudit_write_var_dirs(gssd_t)

auth_manage_cache(gssd_t)

miscfiles_read_generic_certs(gssd_t)
miscfiles_read_generic_tls_privkey(gssd_t)

userdom_signal_all_users(gssd_t)

tunable_policy(`allow_gssd_read_tmp',`
	userdom_list_user_tmp(gssd_t)
	userdom_read_user_tmp_files(gssd_t)
	userdom_read_user_tmp_symlinks(gssd_t)
')

tunable_policy(`allow_gssd_write_tmp',`
	userdom_list_user_tmp(gssd_t)
	userdom_rw_user_tmp_files(gssd_t)
')

optional_policy(`
	automount_signal(gssd_t)
')

optional_policy(`
	gssproxy_stream_connect(gssd_t)
')
optional_policy(`
	kerberos_manage_host_rcache(gssd_t)
	kerberos_read_keytab(gssd_t)
	kerberos_tmp_filetrans_host_rcache(gssd_t, file, "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)
')