//
// Copyright (C) 2017-2020 The Android Open Source Project
//
// 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.
//

package {
    default_applicable_licenses: ["external_avb_license"],
}

// Added automatically by a large-scale-change that took the approach of
// 'apply every license found to every target'. While this makes sure we respect
// every license restriction, it may not be entirely correct.
//
// e.g. GPL in an MIT project might only apply to the contrib/ directory.
//
// Please consider splitting the single license below into multiple licenses,
// taking care not to lose any license_kind information, and overriding the
// default license using the 'licenses: [...]' property on targets as needed.
//
// For unused files, consider creating a 'fileGroup' with "//visibility:private"
// to attach the license to, and including a comment whether the files may be
// used in the current project.
// See: http://go/android-license-faq
license {
    name: "external_avb_license",
    visibility: [":__subpackages__"],
    license_kinds: [
        "SPDX-license-identifier-Apache-2.0",
        "SPDX-license-identifier-BSD",
        "SPDX-license-identifier-MIT",
    ],
    license_text: [
        "LICENSE",
    ],
}

subdirs = [
    "test",
    "tools",
]

cc_defaults {
    name: "avb_defaults",
    cflags: [
        "-D_FILE_OFFSET_BITS=64",
        "-D_POSIX_C_SOURCE=199309L",
        "-Wa,--noexecstack",
        "-Werror",
        "-Wall",
        "-Wextra",
        "-Wformat=2",
        "-Wmissing-prototypes",
        "-Wno-psabi",
        "-Wno-unused-parameter",
        "-Wno-format",
        "-ffunction-sections",
        "-fstack-protector-strong",
        "-g",
        "-DAVB_ENABLE_DEBUG",
        "-DAVB_COMPILATION",
    ],
    cppflags: [
        "-Wnon-virtual-dtor",
        "-fno-strict-aliasing",
    ],
    ldflags: [
        "-Wl,--gc-sections",
        "-rdynamic",
    ],
    target: {
        darwin: {
            enabled: false,
        },
    },
}

cc_defaults {
    name: "avb_sources",
    srcs: [
        "libavb/avb_chain_partition_descriptor.c",
        "libavb/avb_cmdline.c",
        "libavb/avb_crc32.c",
        "libavb/avb_crypto.c",
        "libavb/avb_descriptor.c",
        "libavb/avb_footer.c",
        "libavb/avb_hash_descriptor.c",
        "libavb/avb_hashtree_descriptor.c",
        "libavb/avb_kernel_cmdline_descriptor.c",
        "libavb/avb_property_descriptor.c",
        "libavb/avb_rsa.c",
        "libavb/avb_slot_verify.c",
        "libavb/avb_util.c",
        "libavb/avb_vbmeta_image.c",
        "libavb/avb_version.c",
    ],
}

cc_defaults {
    name: "avb_crypto_ops_impl_boringssl",
    srcs: [
        "libavb/boringssl/sha.c",
    ],
    local_include_dirs: [
        "libavb/boringssl",
    ],
}

cc_defaults {
    name: "avb_crypto_ops_impl_sha",
    srcs: [
        "libavb/sha/sha256_impl.c",
        "libavb/sha/sha512_impl.c",
    ],
    local_include_dirs: [
        "libavb/sha",
    ],
}

python_library_host {
    name: "libavbtool",
    srcs: ["avbtool.py"],
}

python_binary_host {
    name: "avbtool",
    srcs: ["avbtool.py"],
    main: "avbtool.py",
    required: ["fec"],
    version: {
        py3: {
            embedded_launcher: true,
        },
    },
    compile_multilib: "first",
}

// Default common to both standard and baremetal versions of libavb.
cc_defaults {
    name: "libavb_base_defaults",
    defaults: [
        "avb_defaults",
        "avb_sources",
        "avb_crypto_ops_impl_boringssl",
    ],
    header_libs: [
        "avb_headers",
    ],
    export_header_lib_headers: ["avb_headers"],
}

// Defaults for standard libavb; depends on only libc and libcrypto.
//
// The standard targets enable more logging and uses the standard versions of
// the dependencies; see the baremetal variant for a slimmer alternative.
cc_defaults {
    name: "libavb_standard_defaults",
    defaults: ["libavb_base_defaults"],
    host_supported: true,
    ramdisk_available: true,
    vendor_ramdisk_available: true,
    recovery_available: true,
    shared_libs: [
        "libcrypto",
    ],
    target: {
        linux: {
            srcs: ["libavb/avb_sysdeps_posix.c"],
        },
        darwin: {
            enabled: true,
            srcs: ["libavb/avb_sysdeps_posix.c"],
        },
        host_linux: {
            cflags: ["-fno-stack-protector"],
        },
    },
    apex_available: [
        "//apex_available:platform",
        "com.android.virt",
    ],
}

// libavb
cc_library_static {
    name: "libavb",
    defaults: ["libavb_standard_defaults"],
}

// libavb + cert
//
// The cert extensions provides some additional support for minimal
// certificate-based signing.
cc_library_static {
    name: "libavb_cert",
    defaults: [
        "avb_cert_sources",
        "libavb_standard_defaults",
    ],
}

// Defaults for a variant of libavb that can run in baremetal environments.
//
// The debug feature isn't enabled, removing verbose logging and assertions.
// Also uses the baremetal variant of the dependencies.
//
// This does still require a handful of Posix APIs as used by the sysdeps
// implementation.
cc_defaults {
    name: "libavb_baremetal_defaults",
    defaults: [
        "cc_baremetal_defaults",
        "libavb_base_defaults",
    ],
    cflags: ["-UAVB_ENABLE_DEBUG"],
    static_libs: [
        "libcrypto_baremetal",
    ],
    srcs: ["libavb/avb_sysdeps_posix.c"],

    // b/336916369: This library gets linked into a rust rlib.  Disable LTO
    // until cross-language lto is supported.
    lto: {
        never: true,
    },
}

// Baremetal libavb
cc_library_static {
    name: "libavb_baremetal",
    defaults: ["libavb_baremetal_defaults"],
}

// Baremetal libavb + cert
cc_library_static {
    name: "libavb_cert_baremetal",
    defaults: [
        "avb_cert_sources",
        "libavb_baremetal_defaults",
    ],
}

// Build libavb_user for the target - in addition to libavb, it
// includes libavb_ab, libavb_user and also depends on libbase and
// libfs_mgr.
cc_library_static {
    name: "libavb_user",
    defaults: [
        "avb_defaults",
        "avb_sources",
        "avb_crypto_ops_impl_boringssl",
    ],
    recovery_available: true,
    header_libs: [
        "avb_headers",
    ],
    export_header_lib_headers: ["avb_headers"],
    shared_libs: [
        "libbase",
        "libcrypto",
    ],
    static_libs: ["libfs_mgr"],
    cflags: [
        "-DAVB_AB_I_UNDERSTAND_LIBAVB_AB_IS_DEPRECATED",
    ],
    srcs: [
        "libavb/avb_sysdeps_posix.c",
        "libavb_ab/avb_ab_flow.c",
        "libavb_user/avb_ops_user.cpp",
        "libavb_user/avb_user_verity.c",
        "libavb_user/avb_user_verification.c",
    ],
}

cc_binary {
    name: "avbctl",
    defaults: ["avb_defaults"],
    static_libs: [
        "libavb_user",
        "libfs_mgr",
    ],
    shared_libs: [
        "libbase",
        "libcrypto",
    ],
    srcs: ["tools/avbctl/avbctl.cc"],
}

cc_library_host_static {
    name: "libavb_ab_host",
    defaults: ["avb_defaults"],
    header_libs: [
        "avb_headers",
    ],
    export_header_lib_headers: ["avb_headers"],
    cflags: [
        "-fno-stack-protector",
        "-DAVB_AB_I_UNDERSTAND_LIBAVB_AB_IS_DEPRECATED",
    ],
    srcs: ["libavb_ab/avb_ab_flow.c"],
}

cc_defaults {
    name: "avb_cert_sources",
    srcs: ["libavb_cert/avb_cert_validate.c"],
}

cc_library_host_static {
    name: "libavb_host_sysdeps",
    defaults: ["avb_defaults"],
    header_libs: [
        "avb_headers",
    ],
    export_header_lib_headers: ["avb_headers"],
    srcs: ["libavb/avb_sysdeps_posix.c"],
}

cc_defaults {
    name: "avb_cert_example_sources",
    srcs: ["examples/cert/avb_cert_slot_verify.c"],
}

cc_defaults {
    name: "libavb_host_unittest_core",
    defaults: [
        "avb_defaults",
        "avb_sources",
        "avb_cert_sources",
        "avb_cert_example_sources",
    ],
    required: [
        "simg2img",
        "img2simg",
        "avbtool",
    ],
    test_options: {
        unit_test: true,
    },
    compile_multilib: "first",
    data: [
        "avbtool.py",
        "test/avbtool_signing_helper_test.py",
        "test/avbtool_signing_helper_with_files_test.py",
        "test/data/*",
    ],
    test_config: "test/libavb_host_unittest.xml",
    static_libs: [
        "libavb_ab_host",
        "libgmock_host",
        "libgtest_host",
    ],
    shared_libs: [
        "libbase",
        "libchrome",
        "libcrypto",
    ],
    cflags: [
        "-Wno-missing-prototypes",
        "-DAVB_AB_I_UNDERSTAND_LIBAVB_AB_IS_DEPRECATED",
    ],
    srcs: [
        "test/avb_ab_flow_unittest.cc",
        "test/avb_cert_validate_unittest.cc",
        "test/avb_cert_slot_verify_unittest.cc",
        "test/avb_crypto_ops_unittest.cc",
        "test/avb_slot_verify_unittest.cc",
        "test/avb_unittest_util.cc",
        "test/avb_util_unittest.cc",
        "test/avb_vbmeta_image_unittest.cc",
        "test/avbtool_unittest.cc",
        "test/fake_avb_ops.cc",
        "test/avb_sysdeps_posix_testing.cc",
    ],
}

cc_test_host {
    name: "libavb_host_unittest",
    defaults: [
        "avb_crypto_ops_impl_boringssl",
        "libavb_host_unittest_core",
    ],
    data: [
        ":img2simg",
        ":simg2img",
        ":fec",
    ],
}

cc_test_host {
    name: "libavb_host_unittest_sha",
    defaults: [
        "avb_crypto_ops_impl_sha",
        "libavb_host_unittest_core",
    ],
    data: [
        ":img2simg",
        ":simg2img",
        ":fec",
    ],
}

cc_library_host_static {
    name: "libavb_host_user_code_test",
    defaults: ["avb_defaults"],
    cflags: [
        "-DAVB_AB_I_UNDERSTAND_LIBAVB_AB_IS_DEPRECATED",
    ],
    srcs: ["test/user_code_test.cc"],
}

cc_library {
    name: "bootctrl.avb",
    defaults: ["avb_defaults"],
    relative_install_path: "hw",
    static_libs: [
        "libavb_user",
        "libfs_mgr",
    ],
    shared_libs: [
        "libbase",
        "libcrypto",
        "libcutils",
    ],
    cflags: [
        "-DAVB_AB_I_UNDERSTAND_LIBAVB_AB_IS_DEPRECATED",
    ],
    srcs: ["boot_control/boot_control_avb.c"],
}

cc_library_headers {
    name: "avb_headers",
    host_supported: true,
    ramdisk_available: true,
    vendor_ramdisk_available: true,
    recovery_available: true,
    export_include_dirs: ["."],
    target: {
        windows: {
            enabled: true,
        },
    },
    apex_available: [
        "//apex_available:platform",
        "com.android.virt",
    ],
}