Android.bp

// Copyright (C) 2018 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: ["system_sepolicy_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.
// http://go/android-license-faq
license {
    name: "system_sepolicy_license",
    visibility: [":__subpackages__"],
    license_kinds: [
        "SPDX-license-identifier-Apache-2.0",
        "legacy_unencumbered",
    ],
    license_text: [
        "NOTICE",
    ],
}

cc_defaults { name: "selinux_policy_version", cflags: ["-DSEPOLICY_VERSION=30"], }

se_filegroup {
    name: "26.0.board.compat.map",
    srcs: [
        "compat/26.0/26.0.cil",
    ],
}

se_filegroup {
    name: "27.0.board.compat.map",
    srcs: [
        "compat/27.0/27.0.cil",
    ],
}

se_filegroup {
    name: "28.0.board.compat.map",
    srcs: [
        "compat/28.0/28.0.cil",
    ],
}

se_filegroup {
    name: "29.0.board.compat.map",
    srcs: [
        "compat/29.0/29.0.cil",
    ],
}

se_filegroup {
    name: "30.0.board.compat.map",
    srcs: [
        "compat/30.0/30.0.cil",
    ],
}

se_filegroup {
    name: "26.0.board.ignore.map",
    srcs: [
        "compat/26.0/26.0.ignore.cil",
    ],
}

se_filegroup {
    name: "27.0.board.ignore.map",
    srcs: [
        "compat/27.0/27.0.ignore.cil",
    ],
}

se_filegroup {
    name: "28.0.board.ignore.map",
    srcs: [
        "compat/28.0/28.0.ignore.cil",
    ],
}

se_filegroup {
    name: "29.0.board.ignore.map",
    srcs: [
        "compat/29.0/29.0.ignore.cil",
    ],
}

se_filegroup {
    name: "30.0.board.ignore.map",
    srcs: [
        "compat/30.0/30.0.ignore.cil",
    ],
}

se_cil_compat_map {
    name: "plat_26.0.cil",
    stem: "26.0.cil",
    bottom_half: [":26.0.board.compat.map"],
    top_half: "plat_27.0.cil",
}

se_cil_compat_map {
    name: "plat_27.0.cil",
    stem: "27.0.cil",
    bottom_half: [":27.0.board.compat.map"],
    top_half: "plat_28.0.cil",
}

se_cil_compat_map {
    name: "plat_28.0.cil",
    stem: "28.0.cil",
    bottom_half: [":28.0.board.compat.map"],
    top_half: "plat_29.0.cil",
}

se_cil_compat_map {
    name: "plat_29.0.cil",
    stem: "29.0.cil",
    bottom_half: [":29.0.board.compat.map"],
    top_half: "plat_30.0.cil",
}

se_cil_compat_map {
    name: "plat_30.0.cil",
    stem: "30.0.cil",
    bottom_half: [":30.0.board.compat.map"],
    // top_half: "plat_31.0.cil",
}

se_cil_compat_map {
    name: "system_ext_26.0.cil",
    stem: "26.0.cil",
    bottom_half: [":26.0.board.compat.map"],
    top_half: "system_ext_27.0.cil",
    system_ext_specific: true,
}

se_cil_compat_map {
    name: "system_ext_27.0.cil",
    stem: "27.0.cil",
    bottom_half: [":27.0.board.compat.map"],
    top_half: "system_ext_28.0.cil",
    system_ext_specific: true,
}

se_cil_compat_map {
    name: "system_ext_28.0.cil",
    stem: "28.0.cil",
    bottom_half: [":28.0.board.compat.map"],
    top_half: "system_ext_29.0.cil",
    system_ext_specific: true,
}

se_cil_compat_map {
    name: "system_ext_29.0.cil",
    stem: "29.0.cil",
    bottom_half: [":29.0.board.compat.map"],
    top_half: "system_ext_30.0.cil",
    system_ext_specific: true,
}

se_cil_compat_map {
    name: "system_ext_30.0.cil",
    stem: "30.0.cil",
    bottom_half: [":30.0.board.compat.map"],
    // top_half: "system_ext_31.0.cil",
    system_ext_specific: true,
}

se_cil_compat_map {
    name: "product_26.0.cil",
    stem: "26.0.cil",
    bottom_half: [":26.0.board.compat.map"],
    top_half: "product_27.0.cil",
    product_specific: true,
}

se_cil_compat_map {
    name: "product_27.0.cil",
    stem: "27.0.cil",
    bottom_half: [":27.0.board.compat.map"],
    top_half: "product_28.0.cil",
    product_specific: true,
}

se_cil_compat_map {
    name: "product_28.0.cil",
    stem: "28.0.cil",
    bottom_half: [":28.0.board.compat.map"],
    top_half: "product_29.0.cil",
    product_specific: true,
}

se_cil_compat_map {
    name: "product_29.0.cil",
    stem: "29.0.cil",
    bottom_half: [":29.0.board.compat.map"],
    top_half: "product_30.0.cil",
    product_specific: true,
}

se_cil_compat_map {
    name: "product_30.0.cil",
    stem: "30.0.cil",
    bottom_half: [":30.0.board.compat.map"],
    // top_half: "product_31.0.cil",
    product_specific: true,
}

se_cil_compat_map {
    name: "26.0.ignore.cil",
    bottom_half: [":26.0.board.ignore.map"],
    top_half: "27.0.ignore.cil",
}

se_cil_compat_map {
    name: "27.0.ignore.cil",
    bottom_half: [":27.0.board.ignore.map"],
    top_half: "28.0.ignore.cil",
}

se_cil_compat_map {
    name: "28.0.ignore.cil",
    bottom_half: [":28.0.board.ignore.map"],
    top_half: "29.0.ignore.cil",
}

se_cil_compat_map {
    name: "29.0.ignore.cil",
    bottom_half: [":29.0.board.ignore.map"],
    top_half: "30.0.ignore.cil",
}

se_cil_compat_map {
    name: "30.0.ignore.cil",
    bottom_half: [":30.0.board.ignore.map"],
    // top_half: "31.0.ignore.cil",
}

prebuilt_etc {
    name: "26.0.compat.cil",
    src: "private/compat/26.0/26.0.compat.cil",
    sub_dir: "selinux/mapping",
}

prebuilt_etc {
    name: "27.0.compat.cil",
    src: "private/compat/27.0/27.0.compat.cil",
    sub_dir: "selinux/mapping",
}

prebuilt_etc {
    name: "28.0.compat.cil",
    src: "private/compat/28.0/28.0.compat.cil",
    sub_dir: "selinux/mapping",
}

prebuilt_etc {
    name: "29.0.compat.cil",
    src: "private/compat/29.0/29.0.compat.cil",
    sub_dir: "selinux/mapping",
}

prebuilt_etc {
    name: "30.0.compat.cil",
    src: "private/compat/30.0/30.0.compat.cil",
    sub_dir: "selinux/mapping",
}

se_filegroup {
    name: "file_contexts_files",
    srcs: ["file_contexts"],
}

se_filegroup {
    name: "file_contexts_asan_files",
    srcs: ["file_contexts_asan"],
}

se_filegroup {
    name: "file_contexts_overlayfs_files",
    srcs: ["file_contexts_overlayfs"],
}

se_filegroup {
    name: "hwservice_contexts_files",
    srcs: ["hwservice_contexts"],
}

se_filegroup {
    name: "property_contexts_files",
    srcs: ["property_contexts"],
}

se_filegroup {
    name: "service_contexts_files",
    srcs: ["service_contexts"],
}

se_filegroup {
    name: "keystore2_key_contexts_files",
    srcs: ["keystore2_key_contexts"],
}

file_contexts {
    name: "plat_file_contexts",
    srcs: [":file_contexts_files"],
    product_variables: {
        address_sanitize: {
            srcs: [":file_contexts_asan_files"],
        },
        debuggable: {
            srcs: [":file_contexts_overlayfs_files"],
        },
    },

    flatten_apex: {
        srcs: ["apex/*-file_contexts"],
    },

    recovery_available: true,
}

file_contexts {
    name: "vendor_file_contexts",
    srcs: [":file_contexts_files"],
    soc_specific: true,
    recovery_available: true,
}

file_contexts {
    name: "system_ext_file_contexts",
    srcs: [":file_contexts_files"],
    system_ext_specific: true,
    recovery_available: true,
}

file_contexts {
    name: "product_file_contexts",
    srcs: [":file_contexts_files"],
    product_specific: true,
    recovery_available: true,
}

file_contexts {
    name: "odm_file_contexts",
    srcs: [":file_contexts_files"],
    device_specific: true,
    recovery_available: true,
}

hwservice_contexts {
    name: "plat_hwservice_contexts",
    srcs: [":hwservice_contexts_files"],
}

hwservice_contexts {
    name: "system_ext_hwservice_contexts",
    srcs: [":hwservice_contexts_files"],
    system_ext_specific: true,
}

hwservice_contexts {
    name: "product_hwservice_contexts",
    srcs: [":hwservice_contexts_files"],
    product_specific: true,
}

hwservice_contexts {
    name: "vendor_hwservice_contexts",
    srcs: [":hwservice_contexts_files"],
    reqd_mask: true,
    soc_specific: true,
}

hwservice_contexts {
    name: "odm_hwservice_contexts",
    srcs: [":hwservice_contexts_files"],
    device_specific: true,
}

property_contexts {
    name: "plat_property_contexts",
    srcs: [":property_contexts_files"],
    recovery_available: true,
}

property_contexts {
    name: "system_ext_property_contexts",
    srcs: [":property_contexts_files"],
    system_ext_specific: true,
    recovery_available: true,
}

property_contexts {
    name: "product_property_contexts",
    srcs: [":property_contexts_files"],
    product_specific: true,
    recovery_available: true,
}

property_contexts {
    name: "vendor_property_contexts",
    srcs: [":property_contexts_files"],
    reqd_mask: true,
    soc_specific: true,
    recovery_available: true,
}

property_contexts {
    name: "odm_property_contexts",
    srcs: [":property_contexts_files"],
    device_specific: true,
    recovery_available: true,
}

service_contexts {
    name: "plat_service_contexts",
    srcs: [":service_contexts_files"],
}

service_contexts {
    name: "system_ext_service_contexts",
    srcs: [":service_contexts_files"],
    system_ext_specific: true,
}

service_contexts {
    name: "product_service_contexts",
    srcs: [":service_contexts_files"],
    product_specific: true,
}

service_contexts {
    name: "vendor_service_contexts",
    srcs: [":service_contexts_files"],
    reqd_mask: true,
    soc_specific: true,
}

keystore2_key_contexts {
    name: "plat_keystore2_key_contexts",
    srcs: [":keystore2_key_contexts_files"],
}

keystore2_key_contexts {
    name: "system_keystore2_key_contexts",
    srcs: [":keystore2_key_contexts_files"],
    system_ext_specific: true,
}

keystore2_key_contexts {
    name: "product_keystore2_key_contexts",
    srcs: [":keystore2_key_contexts_files"],
    product_specific: true,
}

keystore2_key_contexts {
    name: "vendor_keystore2_key_contexts",
    srcs: [":keystore2_key_contexts_files"],
    reqd_mask: true,
    soc_specific: true,
}

// For vts_treble_sys_prop_test
filegroup {
    name: "private_property_contexts",
    srcs: ["private/property_contexts"],
    visibility: [
        "//test/vts-testcase/security/system_property",
    ],
}

se_build_files {
    name: "se_build_files",
    srcs: [
        "security_classes",
        "initial_sids",
        "access_vectors",
        "global_macros",
        "neverallow_macros",
        "mls_macros",
        "mls_decl",
        "mls",
        "policy_capabilities",
        "te_macros",
        "attributes",
        "ioctl_defines",
        "ioctl_macros",
        "*.te",
        "roles_decl",
        "roles",
        "users",
        "initial_sid_contexts",
        "fs_use",
        "genfs_contexts",
        "port_contexts",
    ],
}

// reqd_policy_mask - a policy.conf file which contains only the bare minimum
// policy necessary to use checkpolicy.
//
// This bare-minimum policy needs to be present in all policy.conf files, but
// should not necessarily be exported as part of the public policy.
//
// The rules generated by reqd_policy_mask will allow the compilation of public
// policy and subsequent removal of CIL policy that should not be exported.
se_policy_conf {
    name: "reqd_policy_mask.conf",
    srcs: [":se_build_files{.reqd_mask}"],
    installable: false,
}

se_policy_cil {
    name: "reqd_policy_mask.cil",
    src: ":reqd_policy_mask.conf",
    secilc_check: false,
    installable: false,
}

// pub_policy - policy that will be exported to be a part of non-platform
// policy corresponding to this platform version.
//
// This is a limited subset of policy that would not compile in checkpolicy on
// its own.
//
// To get around this limitation, add only the required files from private
// policy, which will generate CIL policy that will then be filtered out by the
// reqd_policy_mask.
//
// There are three pub_policy.cil files below:
//   - pub_policy.cil: exported 'product', 'system_ext' and 'system' policy.
//   - system_ext_pub_policy.cil: exported 'system_ext' and 'system' policy.
//   - plat_pub_policy.cil: exported 'system' policy.
//
// Those above files will in turn be used to generate the following versioned cil files:
//   - product_mapping_file: the versioned, exported 'product' policy in product partition.
//   - system_ext_mapping_file: the versioned, exported 'system_ext' policy in system_ext partition.
//   - plat_mapping_file: the versioned, exported 'system' policy in system partition.
//   - plat_pub_versioned.cil: the versioned, exported 'product', 'system_ext' and 'system' policy
//                             in vendor partition.
//
se_policy_conf {
    name: "pub_policy.conf",
    srcs: [":se_build_files{.product_public}"], // product_ includes system and system_ext
    installable: false,
}

se_policy_cil {
    name: "pub_policy.cil",
    src: ":pub_policy.conf",
    filter_out: [":reqd_policy_mask.cil"],
    secilc_check: false,
    installable: false,
}

se_policy_conf {
    name: "system_ext_pub_policy.conf",
    srcs: [":se_build_files{.system_ext_public}"], // system_ext_public includes system
    installable: false,
}

se_policy_cil {
    name: "system_ext_pub_policy.cil",
    src: ":system_ext_pub_policy.conf",
    filter_out: [":reqd_policy_mask.cil"],
    secilc_check: false,
    installable: false,
}

se_policy_conf {
    name: "plat_pub_policy.conf",
    srcs: [":se_build_files{.plat_public}"],
    installable: false,
}

se_policy_cil {
    name: "plat_pub_policy.cil",
    src: ":plat_pub_policy.conf",
    filter_out: [":reqd_policy_mask.cil"],
    secilc_check: false,
    installable: false,
}

// plat_policy.conf - A combination of the private and public platform policy
// which will ship with the device.
//
// The platform will always reflect the most recent platform version and is not
// currently being attributized.
se_policy_conf {
    name: "plat_sepolicy.conf",
    srcs: [":se_build_files{.plat}"],
    installable: false,
}

se_policy_cil {
    name: "plat_sepolicy.cil",
    src: ":plat_sepolicy.conf",
    additional_cil_files: ["private/technical_debt.cil"],
}

// system_ext_policy.conf - A combination of the private and public system_ext
// policy which will ship with the device. System_ext policy is not attributized
se_policy_conf {
    name: "system_ext_sepolicy.conf",
    srcs: [":se_build_files{.system_ext}"],
    installable: false,
}

se_policy_cil {
    name: "system_ext_sepolicy.cil",
    src: ":system_ext_sepolicy.conf",
    system_ext_specific: true,
    filter_out: [":plat_sepolicy.cil"],
    remove_line_marker: true,
}

// product_policy.conf - A combination of the private and public product policy
// which will ship with the device. Product policy is not attributized
se_policy_conf {
    name: "product_sepolicy.conf",
    srcs: [":se_build_files{.product}"],
    installable: false,
}

se_policy_cil {
    name: "product_sepolicy.cil",
    src: ":product_sepolicy.conf",
    product_specific: true,
    filter_out: [":plat_sepolicy.cil", ":system_ext_sepolicy.cil"],
    remove_line_marker: true,
}

//////////////////////////////////
// SELinux policy embedded into CTS.
// CTS checks neverallow rules of this policy against the policy of the device under test.
//////////////////////////////////
se_policy_conf {
    name: "general_sepolicy.conf",
    srcs: [":se_build_files{.plat}"],
    build_variant: "user",
    cts: true,
    exclude_build_test: true,
}

//////////////////////////////////
// modules for microdroid
// TODO(b/178993690): migrate Android.mk to Android.bp and remove below
//////////////////////////////////
genrule {
    name: "microdroid_plat_mapping_file_gen",
    srcs: [":plat_pub_policy.cil", ":reqd_policy_mask.cil"],
    tools: ["build_sepolicy", "version_policy"],
    out: ["10000.0.cil"],
    cmd: "$(location build_sepolicy) filter_out -f $(location :reqd_policy_mask.cil) -t $(location :plat_pub_policy.cil)" +
        "&& $(location version_policy) -b $(location :plat_pub_policy.cil) -m -n 10000.0 -o $(out)",
    visibility: ["//visibility:private"],
}

prebuilt_etc {
    name: "microdroid_plat_mapping_file",
    src: ":microdroid_plat_mapping_file_gen",
    filename: "10000.0.cil",
    relative_install_path: "selinux/mapping",
    installable: false,
}

// Normally plat_pub_versioned.cil is built from pub_policy.cil (including system_ext and product).
// But microdroid only has system, so its plat_pub_versioned.cil uses plat_pub_policy.cil.
genrule {
    name: "microdroid_plat_pub_versioned.cil_gen",
    srcs: [":plat_pub_policy.cil"],
    tools: ["version_policy"],
    out: ["plat_pub_versioned.cil"],
    cmd: "$(location version_policy) " +
        "-b $(location :plat_pub_policy.cil) " +
        "-t $(location :plat_pub_policy.cil) " +
        "-n 10000.0 " +
        "-o $(out)",
    visibility: ["//visibility:private"],
}

prebuilt_etc {
    name: "microdroid_plat_pub_versioned.cil",
    src: ":microdroid_plat_pub_versioned.cil_gen",
    filename: "plat_pub_versioned.cil",
    relative_install_path: "selinux",
    installable: false,
}

filegroup {
    name: "microdroid_vendor_sepolicy_build_files",
    srcs: [
        "reqd_mask/security_classes",
        "reqd_mask/initial_sids",
        "reqd_mask/access_vectors",
        "public/global_macros",
        "public/neverallow_macros",
        "reqd_mask/mls_macros",
        "reqd_mask/mls_decl",
        "reqd_mask/mls",
        "public/te_macros",
        "public/attributes",
        "public/ioctl_defines",
        "public/ioctl_macros",
        "public/*.te",
        "reqd_mask/*.te",
        "vendor/*.te",
        "reqd_mask/roles_decl",
        "public/roles",
        "reqd_mask/roles",
        "reqd_mask/users",
        "reqd_mask/initial_sid_contexts",
    ],
}

// These variables are based on aosp_cf_x86_64_only_phone-userdebug. Other than target_arch,
// these configurations should be fine to test microdroid on normal devices with full treble.
// The exception is target_arch. But as target_arch is meaningful only on mips, and as we are not
// running microdroid on mips for now, we skip assigning target_arch here. After cil files are fully
// migrated into Soong, these will have correct values.
policy_to_conf_flags = "$(location m4) --fatal-warnings " +
"-D mls_num_sens=1 -D mls_num_cats=1024 " +
"-D target_build_variant=userdebug " +
"-D target_with_asan=false " +
"-D target_with_native_coverage=false " +
"-D target_full_treble=true " +
"-D target_compatible_property=true " +
"-D target_treble_sysprop_neverallow=true " +
"-D target_enforce_sysprop_owner=true "

genrule {
    name: "microdroid_vendor_sepolicy.cil_gen",
    srcs: [
        ":microdroid_vendor_sepolicy_build_files",
        ":microdroid_plat_pub_versioned.cil_gen",
        ":pub_policy.cil",
        ":reqd_policy_mask.cil",
    ],
    tools: [
        "m4",
        "build_sepolicy",
        "checkpolicy",
        "secilc",
        "version_policy",
    ],
    out: ["vendor_sepolicy.cil"],
    cmd: policy_to_conf_flags + " -s $(locations :microdroid_vendor_sepolicy_build_files) > $(out).conf && " +
        "$(location build_sepolicy) " +
        "--android_host_path $$(dirname $(location build_sepolicy)) " +
        "build_cil " +
        "--input_policy_conf $(out).conf " +
        "--checkpolicy_env ASAN_OPTIONS=detect_leaks=0 " +
        "--base_policy $(location :pub_policy.cil) " +
        "--filter_out_files $(location :microdroid_plat_pub_versioned.cil_gen) " +
        "--reqd_mask $(location :reqd_policy_mask.cil) " +
        "--treble_sepolicy_vers 10000.0 " +
        "--policy_vers 30 " +
        "--output_cil $(out)",
    visibility: ["//visibility:private"],
}

prebuilt_etc {
    name: "microdroid_vendor_sepolicy.cil",
    src: ":microdroid_vendor_sepolicy.cil_gen",
    filename: "vendor_sepolicy.cil",
    relative_install_path: "selinux",
    installable: false,
}