1 /*
2  * Copyright (C) 2017 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 #ifndef _VOLD_NATIVE_SERVICE_H_
18 #define _VOLD_NATIVE_SERVICE_H_
19 
20 #include <android-base/unique_fd.h>
21 #include <binder/BinderService.h>
22 
23 #include "android/os/BnVold.h"
24 
25 namespace android {
26 namespace vold {
27 
28 class VoldNativeService : public BinderService<VoldNativeService>, public os::BnVold {
29   public:
30     static status_t start();
getServiceName()31     static char const* getServiceName() { return "vold"; }
32     virtual status_t dump(int fd, const Vector<String16>& args) override;
33 
34     binder::Status setListener(const android::sp<android::os::IVoldListener>& listener);
35 
36     binder::Status monitor();
37     binder::Status reset();
38     binder::Status shutdown();
39     binder::Status abortFuse();
40 
41     binder::Status onUserAdded(int32_t userId, int32_t userSerial, int32_t sharesStorageWithUserId);
42     binder::Status onUserRemoved(int32_t userId);
43     binder::Status onUserStarted(int32_t userId);
44     binder::Status onUserStopped(int32_t userId);
45 
46     binder::Status addAppIds(const std::vector<std::string>& packageNames,
47                              const std::vector<int32_t>& appIds);
48     binder::Status addSandboxIds(const std::vector<int32_t>& appIds,
49                                  const std::vector<std::string>& sandboxIds);
50 
51     binder::Status onSecureKeyguardStateChanged(bool isShowing);
52 
53     binder::Status partition(const std::string& diskId, int32_t partitionType, int32_t ratio);
54     binder::Status forgetPartition(const std::string& partGuid, const std::string& fsUuid);
55 
56     binder::Status mount(const std::string& volId, int32_t mountFlags, int32_t mountUserId,
57                          const android::sp<android::os::IVoldMountCallback>& callback);
58     binder::Status unmount(const std::string& volId);
59     binder::Status format(const std::string& volId, const std::string& fsType);
60     binder::Status benchmark(const std::string& volId,
61                              const android::sp<android::os::IVoldTaskListener>& listener);
62 
63     binder::Status moveStorage(const std::string& fromVolId, const std::string& toVolId,
64                                const android::sp<android::os::IVoldTaskListener>& listener);
65 
66     binder::Status remountUid(int32_t uid, int32_t remountMode);
67     binder::Status remountAppStorageDirs(int uid, int pid,
68                                const std::vector<std::string>& packageNames);
69     binder::Status unmountAppStorageDirs(int uid, int pid,
70                                const std::vector<std::string>& packageNames);
71 
72     binder::Status ensureAppDirsCreated(const std::vector<std::string>& paths, int32_t appUid);
73     binder::Status setupAppDir(const std::string& path, int32_t appUid);
74     binder::Status fixupAppDir(const std::string& path, int32_t appUid);
75 
76     binder::Status createObb(const std::string& sourcePath, int32_t ownerGid,
77                              std::string* _aidl_return);
78     binder::Status destroyObb(const std::string& volId);
79 
80     binder::Status createStubVolume(const std::string& sourcePath, const std::string& mountPath,
81                                     const std::string& fsType, const std::string& fsUuid,
82                                     const std::string& fsLabel, int32_t flags,
83                                     std::string* _aidl_return);
84     binder::Status destroyStubVolume(const std::string& volId);
85 
86     binder::Status fstrim(int32_t fstrimFlags,
87                           const android::sp<android::os::IVoldTaskListener>& listener);
88     binder::Status runIdleMaint(bool needGC,
89                                 const android::sp<android::os::IVoldTaskListener>& listener);
90     binder::Status abortIdleMaint(const android::sp<android::os::IVoldTaskListener>& listener);
91     binder::Status getStorageLifeTime(int32_t* _aidl_return);
92     binder::Status getStorageRemainingLifetime(int32_t* _aidl_return);
93     binder::Status setGCUrgentPace(int32_t neededSegments, int32_t minSegmentThreshold,
94                                    float dirtyReclaimRate, float reclaimWeight, int32_t gcPeriod,
95                                    int32_t minGCSleepTime, int32_t targetDirtyRatio);
96     binder::Status refreshLatestWrite();
97     binder::Status getWriteAmount(int32_t* _aidl_return);
98 
99     binder::Status mountAppFuse(int32_t uid, int32_t mountId,
100                                 android::base::unique_fd* _aidl_return);
101     binder::Status unmountAppFuse(int32_t uid, int32_t mountId);
102     binder::Status openAppFuseFile(int32_t uid, int32_t mountId, int32_t fileId, int32_t flags,
103                                    android::base::unique_fd* _aidl_return);
104 
105     binder::Status fbeEnable();
106 
107     binder::Status initUser0();
108     binder::Status mountFstab(const std::string& blkDevice, const std::string& mountPoint,
109                               bool isZoned, const std::vector<std::string>& userDevices);
110     binder::Status encryptFstab(const std::string& blkDevice, const std::string& mountPoint,
111                                 bool shouldFormat, const std::string& fsType, bool isZoned,
112                                 const std::vector<std::string>& userDevices);
113 
114     binder::Status setStorageBindingSeed(const std::vector<uint8_t>& seed);
115 
116     binder::Status createUserStorageKeys(int32_t userId, bool ephemeral);
117     binder::Status destroyUserStorageKeys(int32_t userId);
118 
119     binder::Status setCeStorageProtection(int32_t userId, const std::vector<uint8_t>& secret);
120 
121     binder::Status getUnlockedUsers(std::vector<int>* _aidl_return);
122     binder::Status unlockCeStorage(int32_t userId, const std::vector<uint8_t>& secret);
123     binder::Status lockCeStorage(int32_t userId);
124 
125     binder::Status prepareUserStorage(const std::optional<std::string>& uuid, int32_t userId,
126                                       int32_t flags);
127     binder::Status destroyUserStorage(const std::optional<std::string>& uuid, int32_t userId,
128                                       int32_t flags);
129 
130     binder::Status prepareSandboxForApp(const std::string& packageName, int32_t appId,
131                                         const std::string& sandboxId, int32_t userId);
132     binder::Status destroySandboxForApp(const std::string& packageName,
133                                         const std::string& sandboxId, int32_t userId);
134 
135     binder::Status startCheckpoint(int32_t retry);
136     binder::Status needsCheckpoint(bool* _aidl_return);
137     binder::Status needsRollback(bool* _aidl_return);
138     binder::Status isCheckpointing(bool* _aidl_return);
139     binder::Status commitChanges();
140     binder::Status prepareCheckpoint();
141     binder::Status restoreCheckpoint(const std::string& mountPoint);
142     binder::Status restoreCheckpointPart(const std::string& mountPoint, int count);
143     binder::Status markBootAttempt();
144     binder::Status abortChanges(const std::string& message, bool retry);
145     binder::Status supportsCheckpoint(bool* _aidl_return);
146     binder::Status supportsBlockCheckpoint(bool* _aidl_return);
147     binder::Status supportsFileCheckpoint(bool* _aidl_return);
148     binder::Status resetCheckpoint();
149 
150     binder::Status earlyBootEnded();
151 
152     binder::Status incFsEnabled(bool* _aidl_return) override;
153     binder::Status mountIncFs(
154             const std::string& backingPath, const std::string& targetDir, int32_t flags,
155             const std::string& sysfsName,
156             ::android::os::incremental::IncrementalFileSystemControlParcel* _aidl_return) override;
157     binder::Status unmountIncFs(const std::string& dir) override;
158     binder::Status setIncFsMountOptions(
159             const ::android::os::incremental::IncrementalFileSystemControlParcel& control,
160             bool enableReadLogs, bool enableReadTimeouts, const std::string& sysfsName) override;
161     binder::Status bindMount(const std::string& sourceDir, const std::string& targetDir) override;
162 
163     binder::Status destroyDsuMetadataKey(const std::string& dsuSlot) override;
164 
165     binder::Status getStorageSize(int64_t* storageSize) override;
166 };
167 
168 }  // namespace vold
169 }  // namespace android
170 
171 #endif  // _VOLD_NATIVE_SERVICE_H_
172