policy_module(vpp-custom,1.0)

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

gen_require(`
    type hugetlbfs_t;
    type svirt_t;
    type svirt_image_t;
    type systemd_sysctl_t;
    class capability sys_admin;
')

type vpp_t;
type vpp_exec_t;
init_daemon_domain(vpp_t, vpp_exec_t)

type vpp_config_rw_t;
files_config_file(vpp_config_rw_t)

type vpp_lib_t; # if there is vpp_var_lib_t, we don't need vpp_lib_t
files_type(vpp_lib_t)

type vpp_log_t;
logging_log_file(vpp_log_t)

type vpp_var_run_t;
files_type(vpp_var_run_t)

type vpp_unit_file_t;
systemd_unit_file(vpp_unit_file_t)

type vpp_tmpfs_t;
files_tmpfs_file(vpp_tmpfs_t)

type vpp_tmp_t;
files_tmp_file(vpp_tmp_t)

########################################
#
# vpp local policy
#

allow vpp_t self:capability { dac_override ipc_lock setgid sys_rawio net_raw sys_admin net_admin }; # too benevolent
dontaudit vpp_t self:capability2 block_suspend;
allow vpp_t self:process { execmem execstack setsched signal }; # too benevolent
allow vpp_t self:packet_socket { bind create setopt ioctl };
allow vpp_t self:tun_socket { create relabelto relabelfrom };
allow vpp_t self:udp_socket { create ioctl };
allow vpp_t self:unix_dgram_socket { connect create ioctl };
allow vpp_t self:unix_stream_socket { create_stream_socket_perms connectto };
allow vpp_t self:netlink_route_socket { bind create nlmsg_write read write };

manage_dirs_pattern(vpp_t, vpp_lib_t, vpp_lib_t)
manage_files_pattern(vpp_t, vpp_lib_t, vpp_lib_t)
allow vpp_t vpp_lib_t:file execute;
files_var_lib_filetrans(vpp_t, vpp_lib_t, {file dir})

manage_dirs_pattern(vpp_t, vpp_log_t, vpp_log_t)
manage_files_pattern(vpp_t, vpp_log_t, vpp_log_t)
logging_log_filetrans(vpp_t, vpp_log_t, {file dir})

manage_dirs_pattern(vpp_t, vpp_var_run_t, vpp_var_run_t)
manage_files_pattern(vpp_t, vpp_var_run_t, vpp_var_run_t)
manage_sock_files_pattern(vpp_t, vpp_var_run_t, vpp_var_run_t)
allow vpp_t vpp_var_run_t:dir mounton;
files_pid_filetrans(vpp_t, vpp_var_run_t, { dir sock_file file })

manage_dirs_pattern(vpp_t, vpp_tmp_t, vpp_tmp_t)
manage_files_pattern(vpp_t, vpp_tmp_t, vpp_tmp_t)
manage_sock_files_pattern(vpp_t, vpp_tmp_t, vpp_tmp_t)
allow vpp_t vpp_tmp_t:dir mounton;
files_tmp_filetrans(vpp_t, vpp_tmp_t, { dir sock_file file })

manage_dirs_pattern(vpp_t, vpp_tmpfs_t, vpp_tmpfs_t)
manage_files_pattern(vpp_t, vpp_tmpfs_t, vpp_tmpfs_t)
fs_tmpfs_filetrans(vpp_t, vpp_tmpfs_t, { dir file })

read_files_pattern(vpp_t, vpp_config_rw_t, vpp_config_rw_t)

kernel_read_system_state(vpp_t)
kernel_read_network_state(vpp_t)
kernel_dgram_send(vpp_t)
kernel_request_load_module(vpp_t)

auth_read_passwd(vpp_t)

corenet_rw_tun_tap_dev(vpp_t)

dev_rw_userio_dev(vpp_t)
dev_rw_sysfs(vpp_t)
dev_read_cpuid(vpp_t)
dev_rw_vfio_dev(vpp_t)
dev_rw_vhost( vpp_t )

domain_obj_id_change_exemption(vpp_t)

fs_manage_hugetlbfs_dirs(vpp_t)
fs_manage_hugetlbfs_files(vpp_t)
allow vpp_t hugetlbfs_t:filesystem { getattr mount unmount };
fs_getattr_tmpfs(vpp_t)

logging_send_syslog_msg(vpp_t)

miscfiles_read_generic_certs(vpp_t)

userdom_list_user_home_content(vpp_t)

optional_policy(`
    virt_stream_connect_svirt(vpp_t)
')

optional_policy(`
    unconfined_attach_tun_iface(vpp_t)
')


########################################
#
# svirt local policy for vpp
#

allow svirt_t vpp_t:unix_stream_socket connectto;

manage_dirs_pattern(svirt_t, vpp_var_run_t, vpp_var_run_t)
manage_files_pattern(svirt_t, vpp_var_run_t, vpp_var_run_t)
manage_sock_files_pattern(svirt_t, vpp_var_run_t, vpp_var_run_t)

allow vpp_t svirt_image_t:file { read write };


########################################
#
# systemd_sysctl_t local policy for vpp
#

read_files_pattern(systemd_sysctl_t, vpp_config_rw_t, vpp_config_rw_t)