modules/DnsResolver/Android.bp

cc_library_headers {
    name: "libnetd_resolv_headers",
    export_include_dirs: ["include"],
}

// Used only by dns_responder_client_ndk.cpp for ResolverStats.h
// TODO: refactor stats to use a Parcel and eliminate this dependency
cc_library_headers {
    name: "libnetd_resolv_internal_headers",
    export_include_dirs: ["."],
}

cc_library_headers {
    name: "dnsproxyd_protocol_headers",
    export_include_dirs: ["include/dnsproxyd_protocol"],
}

aidl_interface {
    name: "dnsresolver_aidl_interface",
    local_include_dir: "binder",
    srcs: [
        "binder/android/net/IDnsResolver.aidl",
        "binder/android/net/ResolverHostsParcel.aidl",
        "binder/android/net/ResolverOptionsParcel.aidl",
        "binder/android/net/ResolverParamsParcel.aidl",
    ],
    imports: [
        "netd_event_listener_interface",
    ],
    backend: {
        java: {
            apex_available: [
                "//apex_available:platform",
                "com.android.bluetooth.updatable",
                "com.android.wifi",
            ],
        },
        ndk: {
            gen_log: true,
            apex_available: [
                "com.android.resolv",
            ],
            min_sdk_version: "29",
        },
    },
    versions: [
        "1",
        "2",
        "3",
        "4",
        "5",
        "6",
    ],
}

cc_defaults {
    name: "resolv_test_defaults",
    // Note that, static link liblog and libbase is a hard requirement for resolv related tests
    // because libbase is not compatible between Q and R for general platform build due
    // to its log revelant functions changing. And most of resolv related tests must be able to run
    // in Q.
    static_libs: [
        "libbase",
        "liblog",
    ],
}

cc_defaults {
    // This is necessary to have the coverage tests run on cf_x86_phone.
    // Because the test_suite target is 64 bit and the test infra is running the 64 bit test
    // suite on cf_x86_phone (32-bit) for coverage.
    // See b/147785146 for details.
    // TODO: Remove this target after coverage test switched to 64-bit device.
    name: "resolv_test_mts_coverage_defaults",
    test_config_template: ":resolv_test_config_template",
    compile_multilib: "both",
    multilib: {
        lib32: {
            suffix: "32",
        },
        lib64: {
            suffix: "64",
        },
    },
}

cc_library {
    name: "libnetd_resolv",
    version_script: "libnetd_resolv.map.txt",
    stubs: {
        versions: [
            "1",
        ],
        symbol_file: "libnetd_resolv.map.txt",
    },
    defaults: ["netd_defaults"],
    srcs: [
        "getaddrinfo.cpp",
        "gethnamaddr.cpp",
        "sethostent.cpp",
        "res_cache.cpp",
        "res_comp.cpp",
        "res_debug.cpp",
        "res_init.cpp",
        "res_mkquery.cpp",
        "res_query.cpp",
        "res_send.cpp",
        "res_stats.cpp",
        "util.cpp",
        "Dns64Configuration.cpp",
        "DnsProxyListener.cpp",
        "DnsQueryLog.cpp",
        "DnsResolver.cpp",
        "DnsResolverService.cpp",
        "DnsStats.cpp",
        "DnsTlsDispatcher.cpp",
        "DnsTlsQueryMap.cpp",
        "DnsTlsTransport.cpp",
        "DnsTlsServer.cpp",
        "DnsTlsSessionCache.cpp",
        "DnsTlsSocket.cpp",
        "Experiments.cpp",
        "PrivateDnsConfiguration.cpp",
        "ResolverController.cpp",
        "ResolverEventReporter.cpp",
    ],
    // Link most things statically to minimize our dependence on system ABIs.
    stl: "libc++_static",
    static_libs: [
        "dnsresolver_aidl_interface-ndk_platform",
        "libbase",
        "libcutils",
        "libnetdutils",
        "libprotobuf-cpp-lite",
        "libstatslog_resolv",
        "libstatspush_compat",
        "libsysutils",
        "netd_event_listener_interface-ndk_platform",
        "server_configurable_flags",
        "stats_proto",
    ],
    // libcrypto needs to be used as a shared library because it performs an
    // integrity check (against a checksum) that is not supported for static
    // libs. See http://b/141248879
    // We're also adding libssl here to treat it consistently.
    // liblog is added as a shared library because it provides stable C API
    // from the platform; we don't need to include it in this module by
    // statically linking to it. Doing so is even dangerous because the socket
    // protocol to logd implemented in the library isn't guaranteed to be
    // stable. See b/151051671
    shared_libs: [
        "libbinder_ndk",
        "libcrypto",
        "liblog", //Used by libstatslog_resolv
        "libssl",
    ],
    header_libs: [
        "libnetdbinder_utils_headers",
    ],
    runtime_libs: [
        // Causes the linkerconfig to create a namespace link from resolv to the
        // libstatssocket library within the statsd apex
        "libstatssocket",
    ],
    export_include_dirs: ["include"],

    product_variables: {
        debuggable: {
            cppflags: [
                "-DRESOLV_ALLOW_VERBOSE_LOGGING=1",
            ],
        },
    },
    header_abi_checker: {
        enabled: true,
        symbol_file: "libnetd_resolv.map.txt",
    },
    sanitize: {
        cfi: true,
    },
    apex_available: ["com.android.resolv"],
    min_sdk_version: "29",
}

cc_library_static {
    name: "stats_proto",
    defaults: ["netd_defaults"],
    proto: {
        export_proto_headers: true,
        type: "lite",
    },
    srcs: [
        "stats.proto",
    ],
    apex_available: ["com.android.resolv"],
    min_sdk_version: "29",
}

genrule {
    name: "statslog_resolv.h",
    tools: ["stats-log-api-gen"],
    cmd: "$(location stats-log-api-gen) --header $(genDir)/statslog_resolv.h --module resolv --namespace android,net,stats",
    out: [
        "statslog_resolv.h",
    ],
}

genrule {
    name: "statslog_resolv.cpp",
    tools: ["stats-log-api-gen"],
    cmd: "$(location stats-log-api-gen) --cpp $(genDir)/statslog_resolv.cpp --module resolv --namespace android,net,stats --importHeader statslog_resolv.h --supportQ",
    out: [
        "statslog_resolv.cpp",
    ],
}

cc_library_static {
    name: "libstatslog_resolv",
    generated_sources: ["statslog_resolv.cpp"],
    generated_headers: ["statslog_resolv.h"],
    defaults: ["netd_defaults"],
    export_generated_headers: ["statslog_resolv.h"],
    static_libs: [
        "libcutils",
        "libgtest_prod", // Used by libstatspush_compat
        "libstatspush_compat",
    ],
    apex_available: ["com.android.resolv"],
    min_sdk_version: "29",
}

filegroup {
    name: "resolv_test_config_template",
    srcs: [
        "resolv_test_config_template.xml",
    ],
}

// TODO: Move this test to tests/
cc_test {
    name: "resolv_unit_test",
    test_suites: [
        "general-tests",
        "mts",
    ],
    require_root: true,
    // TODO: Drop root privileges and make it be an real unit test.
    // TODO: Remove resolv_test_mts_coverage_defaults after mts coverage switched to 64-bit device.
    defaults: [
        "netd_defaults",
        "resolv_test_defaults",
        "resolv_test_mts_coverage_defaults",
    ],
    srcs: [
        "resolv_cache_unit_test.cpp",
        "resolv_callback_unit_test.cpp",
        "resolv_tls_unit_test.cpp",
        "resolv_unit_test.cpp",
        "DnsQueryLogTest.cpp",
        "DnsStatsTest.cpp",
        "ExperimentsTest.cpp",
    ],
    shared_libs: [
        "libcrypto",
        "libbinder_ndk",
        "libssl",
    ],
    static_libs: [
        "dnsresolver_aidl_interface-unstable-ndk_platform",
        "netd_aidl_interface-ndk_platform",
        "netd_event_listener_interface-ndk_platform",
        "libcutils",
        "libgmock",
        "libnetd_resolv",
        "libnetd_test_dnsresponder_ndk",
        "libnetd_test_resolv_utils",
        "libnetdutils",
        "libprotobuf-cpp-lite",
        "libstatslog_resolv",
        "libstatspush_compat",
        "libsysutils",
        "libutils",
        "resolv_stats_test_utils",
        "server_configurable_flags",
        "stats_proto",
    ],
}