1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.server.pm;
18 
19 import android.annotation.NonNull;
20 import android.annotation.Nullable;
21 import android.content.pm.SharedLibraryInfo;
22 import android.os.Process;
23 
24 import com.android.internal.annotations.VisibleForTesting;
25 
26 import java.util.List;
27 
28 /** The result of a package scan. */
29 @VisibleForTesting
30 final class ScanResult {
31     /** The request that initiated the scan that produced this result. */
32     @NonNull public final ScanRequest mRequest;
33     /**
34      * Whether or not the original PackageSetting needs to be updated with this result on
35      * commit.
36      */
37     public final boolean mExistingSettingCopied;
38     /**
39      * The previous app ID if the app decided to leave a shared user ID.
40      * The value is set *only* if the app is leaving a shared user ID.
41      * Default value is Process.INVALID_UID.
42      */
43     public final int mPreviousAppId;
44     /**
45      * The final package settings. This may be the same object passed in
46      * the {@link ScanRequest}, but, with modified values.
47      */
48     @Nullable
49     public final PackageSetting mPkgSetting;
50 
51     // TODO(b/260124949): Check if this can be dropped when the legacy PackageManager dexopt code is
52     // cleaned up.
53     /** ABI code paths that have changed in the package scan */
54     @Nullable public final List<String> mChangedAbiCodePath;
55 
56     public final SharedLibraryInfo mSdkSharedLibraryInfo;
57 
58     public final SharedLibraryInfo mStaticSharedLibraryInfo;
59 
60     public final List<SharedLibraryInfo> mDynamicSharedLibraryInfos;
61 
ScanResult( @onNull ScanRequest request, @Nullable PackageSetting pkgSetting, @Nullable List<String> changedAbiCodePath, boolean existingSettingCopied, int previousAppId, SharedLibraryInfo sdkSharedLibraryInfo, SharedLibraryInfo staticSharedLibraryInfo, List<SharedLibraryInfo> dynamicSharedLibraryInfos)62     ScanResult(
63             @NonNull ScanRequest request,
64             @Nullable PackageSetting pkgSetting,
65             @Nullable List<String> changedAbiCodePath, boolean existingSettingCopied,
66             int previousAppId,
67             SharedLibraryInfo sdkSharedLibraryInfo,
68             SharedLibraryInfo staticSharedLibraryInfo,
69             List<SharedLibraryInfo> dynamicSharedLibraryInfos) {
70         mRequest = request;
71         mPkgSetting = pkgSetting;
72         mChangedAbiCodePath = changedAbiCodePath;
73         mExistingSettingCopied = existingSettingCopied;
74         // Hardcode mPreviousAppId to INVALID_UID (http://b/221088088)
75         // This will disable all migration code paths in PMS and PermMS
76         mPreviousAppId = Process.INVALID_UID;
77         mSdkSharedLibraryInfo = sdkSharedLibraryInfo;
78         mStaticSharedLibraryInfo = staticSharedLibraryInfo;
79         mDynamicSharedLibraryInfos = dynamicSharedLibraryInfos;
80     }
81 
82     /**
83      * Whether the original PackageSetting needs to be updated with
84      * a new app ID. Useful when leaving a sharedUserId.
85      */
needsNewAppId()86     public boolean needsNewAppId() {
87         return mPreviousAppId != Process.INVALID_UID;
88     }
89 }
90