apex/Android.bp

//
// Copyright (C) 2021 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: ["Android-Apache-2.0"],
}

apex {
    name: "com.android.sepolicy",
    // TODO(jeffv): make it updatable
    updatable: false,
    manifest: "manifest.json",
    file_contexts: ":com.android.sepolicy-file_contexts",
    key: "com.android.sepolicy.key",
    // TODO(jeffv): Making this platform signed for now for prototyping convencience,
    // but eventually it needs to be signed with the key below.
    certificate: "platform",

    apps: ["SEPolicy-33"],
    prebuilts: ["SEPolicy-33.apk.sig"],
}

apex_key {
    name: "com.android.sepolicy.key",
    public_key: "com.android.sepolicy.avbpubkey",
    private_key: "com.android.sepolicy.pem",
}

filegroup {
    name: "SEPolicyKeyPem",
    srcs: ["com.android.sepolicy.pem"],
}

filegroup {
    name: "SEPolicyCertPem",
    srcs: ["com.android.sepolicy.cert.pem"],
}

genrule_defaults {
    name: "sepolicy_verity_sig_gen_default",
    tools: ["fsverity"],
    tool_files: [":SEPolicyKeyPem", ":SEPolicyCertPem"],
    // Use fsverity tool to generate the signature file which
    // will be stored in the apex.
    // https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/fsverity-utils.git/tree/README.md
    cmd: "$(location fsverity) sign $(in) $(out) " +
        "--key=$(location :SEPolicyKeyPem) " +
        "--cert=$(location :SEPolicyCertPem) " +
        "> /dev/null",
}

genrule {
    name: "SEPolicy-33.apk.fsv_sig",
    defaults: ["sepolicy_verity_sig_gen_default"],
    srcs: [":SEPolicy-33"],
    out: ["SEPolicy-33.apk.fsv_sig"],
}

prebuilt_etc {
    name: "SEPolicy-33.apk.sig",
    src: ":SEPolicy-33.apk.fsv_sig",
    installable: false,
    filename: "SEPolicy-33.apk.fsv_sig",
}

prebuilt_etc {
    name: "com.android.sepolicy.cert.der",
    src: "com.android.sepolicy.cert.der",
    sub_dir: "security/fsverity",
    filename_from_src: true,
}