xref: /foundation/communication/netmanager_base/services/netmanagernative/bpf/BUILD.gn

# Copyright (c) 2022-2024 Huawei Device Co., Ltd.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import("//build/ohos.gni")
import("//foundation/communication/netmanager_base/netmanager_base_config.gni")

ohos_bpf("netsys") {
  sources = [ "src/netsys.c" ]

  include_dirs = [ "include" ]

  if (netmanager_base_enable_feature_net_firewall) {
    defines = [
      "FEATURE_NET_FIREWALL_ENABLE",
      "NET_FIREWALL_DEBUG=0",
      "NET_FIREWALL_DEBUG_TUPLE=0",
    ]
  }

  subsystem_name = "communication"
  part_name = "netmanager_base"
}

ohos_shared_library("netsys_bpf_utils") {
  sanitize = {
    cfi = true
    cfi_cross_dso = true
    boundary_sanitize = true
    ubsan = true
    debug = false
  }

  branch_protector_ret = "pac_ret"

  sources = [
    "$NETSTATSMANAGER_INNERKITS_SOURCE_DIR/src/net_stats_info.cpp",
    "src/bpf_loader.cpp",
    "src/bpf_ring_buffer.cpp",
    "src/bpf_stats.cpp",
  ]

  include_dirs = [
    "include",
    "$NETMANAGER_BASE_ROOT/interfaces/innerkits/include",
    "$NETMANAGER_BASE_ROOT/interfaces/innerkits/netmanagernative/include",
    "$NETMANAGER_BASE_ROOT/interfaces/innerkits/netstatsclient/include",
    "$NETMANAGER_BASE_ROOT/utils/common_utils/include",
    "$NETMANAGER_BASE_ROOT/utils/log/include",
    "$NETPOLICYMANAGER_SOURCE_DIR/include",
  ]

  cflags = [
    "-fstack-protector-strong",
    "-D_FORTIFY_SOURCE=2",
    "-O2",
  ]

  cflags_cc = [
    "-fstack-protector-strong",
    "-D_FORTIFY_SOURCE=2",
    "-O2",
  ]

  defines = [
    "NETMGRNATIVE_LOG_TAG = \"NetSysBpf\"",
    "LOG_DOMAIN = 0xD0015B0",
  ]

  external_deps = [
    "c_utils:utils",
    "elfio:elfio",
    "ffrt:libffrt",
    "hilog:libhilog",
    "ipc:ipc_core",
    "libbpf:libbpf",
  ]
  use_exceptions = true
  deps = [ "$INNERKITS_ROOT/netpolicyclient:net_policy_manager_if" ]

  if (netmanager_base_enable_feature_net_firewall) {
    public_configs = [ "$NETMANAGER_BASE_ROOT/resource:coverage_flags" ]
    sources += [
      "src/bitmap_manager.cpp",
      "src/bpf_netfirewall.cpp",
    ]

    defines += [ "FEATURE_NET_FIREWALL_ENABLE" ]

    deps += [ "$INNERKITS_ROOT/netmanagernative:net_native_parcel" ]

    external_deps += [
      "ipc:ipc_core",
      "safwk:system_ability_fwk",
      "samgr:samgr_proxy",
    ]
  }

  innerapi_tags = [ "platformsdk_indirect" ]
  part_name = "netmanager_base"
  subsystem_name = "communication"
}