1 /*
2  * Copyright (C) 2019 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 #pragma once
18 
19 #include <string>
20 #include <unordered_set>
21 #include <vector>
22 
23 namespace android {
24 namespace apex {
25 
26 static constexpr const char* kApexDataDir = "/data/apex";
27 static constexpr const char* kActiveApexPackagesDataDir = "/data/apex/active";
28 static constexpr const char* kApexBackupDir = "/data/apex/backup";
29 static constexpr const char* kApexHashTreeDir = "/data/apex/hashtree";
30 static constexpr const char* kApexDecompressedDir = "/data/apex/decompressed";
31 static constexpr const char* kOtaReservedDir = "/data/apex/ota_reserved";
32 static constexpr const char* kApexPackageSystemDir = "/system/apex";
33 static constexpr const char* kApexPackageSystemExtDir = "/system_ext/apex";
34 static constexpr const char* kApexPackageVendorDir = "/vendor/apex";
35 static const std::vector<std::string> kApexPackageBuiltinDirs = {
36     kApexPackageSystemDir,
37     kApexPackageSystemExtDir,
38     "/product/apex",
39     kApexPackageVendorDir,
40 };
41 static constexpr const char* kApexRoot = "/apex";
42 static constexpr const char* kStagedSessionsDir = "/data/app-staging";
43 
44 static constexpr const char* kApexDataSubDir = "apexdata";
45 static constexpr const char* kApexSharedLibsSubDir = "sharedlibs";
46 static constexpr const char* kApexSnapshotSubDir = "apexrollback";
47 static constexpr const char* kPreRestoreSuffix = "-prerestore";
48 
49 static constexpr const char* kDeSysDataDir = "/data/misc";
50 static constexpr const char* kDeNDataDir = "/data/misc_de";
51 static constexpr const char* kCeDataDir = "/data/misc_ce";
52 
53 static constexpr const char* kApexPackageSuffix = ".apex";
54 static constexpr const char* kCompressedApexPackageSuffix = ".capex";
55 static constexpr const char* kDecompressedApexPackageSuffix =
56     ".decompressed.apex";
57 static constexpr const char* kOtaApexPackageSuffix = ".ota.apex";
58 
59 static constexpr const char* kManifestFilenameJson = "apex_manifest.json";
60 static constexpr const char* kManifestFilenamePb = "apex_manifest.pb";
61 
62 static constexpr const char* kApexInfoList = "apex-info-list.xml";
63 
64 // These should be in-sync with system/sepolicy/private/property_contexts
65 static constexpr const char* kApexStatusSysprop = "apexd.status";
66 static constexpr const char* kApexStatusStarting = "starting";
67 static constexpr const char* kApexStatusActivated = "activated";
68 static constexpr const char* kApexStatusReady = "ready";
69 
70 // Banned APEX names
71 static const std::unordered_set<std::string> kBannedApexName = {
72     kApexSharedLibsSubDir,  // To avoid conflicts with predefined
73                             // /apex/sharedlibs directory
74 };
75 }  // namespace apex
76 }  // namespace android
77