| /* |
| * Copyright (C) 2019 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 com.android.server.pm; |
| |
| import android.annotation.Nullable; |
| import android.content.pm.parsing.AndroidPackage; |
| import android.content.pm.parsing.ParsedPackage; |
| import android.util.Pair; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import java.io.File; |
| import java.util.Set; |
| |
| // TODO: Move to .parsing sub-package |
| @VisibleForTesting |
| public interface PackageAbiHelper { |
| /** |
| * Derive and get the location of native libraries for the given package, |
| * which varies depending on where and how the package was installed. |
| */ |
| NativeLibraryPaths getNativeLibraryPaths(AndroidPackage pkg, File appLib32InstallDir); |
| |
| /** |
| * Calculate the abis for a bundled app. These can uniquely be determined from the contents of |
| * the system partition, i.e whether it contains 64 or 32 bit shared libraries etc. We do not |
| * validate any of this information, and instead assume that the system was built sensibly. |
| */ |
| Abis getBundledAppAbis(AndroidPackage pkg); |
| |
| /** |
| * Derive the ABI of a non-system package located at {@code pkg}. This information |
| * is derived purely on the basis of the contents of {@code pkg} and {@code cpuAbiOverride}. |
| * |
| * If {@code extractLibs} is true, native libraries are extracted from the app if required. |
| */ |
| Pair<Abis, NativeLibraryPaths> derivePackageAbi( |
| AndroidPackage pkg, String cpuAbiOverride, boolean extractLibs) |
| throws PackageManagerException; |
| |
| /** |
| * Calculates adjusted ABIs for a set of packages belonging to a shared user so that they all |
| * match. i.e, so that all packages can be run inside a single process if required. |
| * |
| * Optionally, callers can pass in a parsed package via {@code scannedPackage} in which case |
| * this function will either try and make the ABI for all packages in |
| * {@code packagesForUser} match {@code scannedPackage} or will update the ABI of |
| * {@code scannedPackage} to match the ABI selected for {@code packagesForUser}. This |
| * variant is used when installing or updating a package that belongs to a shared user. |
| * |
| * NOTE: We currently only match for the primary CPU abi string. Matching the secondary |
| * adds unnecessary complexity. |
| * |
| * @return the calculated primary abi that should be set for all non-specified packages |
| * belonging to the shared user. |
| */ |
| @Nullable |
| String getAdjustedAbiForSharedUser( |
| Set<PackageSetting> packagesForUser, AndroidPackage scannedPackage); |
| |
| /** |
| * The native library paths and related properties that should be set on a |
| * {@link ParsedPackage}. |
| */ |
| final class NativeLibraryPaths { |
| public final String nativeLibraryRootDir; |
| public final boolean nativeLibraryRootRequiresIsa; |
| public final String nativeLibraryDir; |
| public final String secondaryNativeLibraryDir; |
| |
| @VisibleForTesting |
| NativeLibraryPaths(String nativeLibraryRootDir, |
| boolean nativeLibraryRootRequiresIsa, String nativeLibraryDir, |
| String secondaryNativeLibraryDir) { |
| this.nativeLibraryRootDir = nativeLibraryRootDir; |
| this.nativeLibraryRootRequiresIsa = nativeLibraryRootRequiresIsa; |
| this.nativeLibraryDir = nativeLibraryDir; |
| this.secondaryNativeLibraryDir = secondaryNativeLibraryDir; |
| } |
| |
| public void applyTo(ParsedPackage pkg) { |
| pkg.setNativeLibraryRootDir(nativeLibraryRootDir) |
| .setNativeLibraryRootRequiresIsa(nativeLibraryRootRequiresIsa) |
| .setNativeLibraryDir(nativeLibraryDir) |
| .setSecondaryNativeLibraryDir(secondaryNativeLibraryDir); |
| } |
| } |
| |
| /** |
| * The primary and secondary ABIs that should be set on a package and its package setting. |
| */ |
| final class Abis { |
| public final String primary; |
| public final String secondary; |
| |
| @VisibleForTesting |
| Abis(String primary, String secondary) { |
| this.primary = primary; |
| this.secondary = secondary; |
| } |
| |
| Abis(AndroidPackage pkg) { |
| this(pkg.getPrimaryCpuAbi(), pkg.getSecondaryCpuAbi()); |
| } |
| |
| public void applyTo(ParsedPackage pkg) { |
| pkg.setPrimaryCpuAbi(primary) |
| .setSecondaryCpuAbi(secondary); |
| } |
| public void applyTo(PackageSetting pkgSetting) { |
| // pkgSetting might be null during rescan following uninstall of updates |
| // to a bundled app, so accommodate that possibility. The settings in |
| // that case will be established later from the parsed package. |
| // |
| // If the settings aren't null, sync them up with what we've derived. |
| if (pkgSetting != null) { |
| pkgSetting.primaryCpuAbiString = primary; |
| pkgSetting.secondaryCpuAbiString = secondary; |
| } |
| } |
| } |
| } |