5048b4b2bc
Mounting a FUSE path needs two steps: 1. Mounting the filesystem 2. Starting the FUSE session in the FUSE daemon The second part requires retriving an fd from (1) and the mount paths and passing it to the FUSE daemon. Previously, we'd return from the Vold mount call and mark the volume as mounted while we scramble to do (2). This means there's a time period where the Volume is marked as MOUNTED but not actually ready and any IO access on the paths will hang forever. This could also be misleading when interpreting bug reports. Now, we block the Vold mount call until the FUSE session is started Test: atest AdoptableHostTest Bug: 144275217 Change-Id: I45238a31df71286f67ef1c65c711d0085d72e97f
150 lines
7.1 KiB
C++
150 lines
7.1 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _VOLD_NATIVE_SERVICE_H_
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#define _VOLD_NATIVE_SERVICE_H_
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#include <android-base/unique_fd.h>
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#include <binder/BinderService.h>
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#include "android/os/BnVold.h"
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namespace android {
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namespace vold {
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class VoldNativeService : public BinderService<VoldNativeService>, public os::BnVold {
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public:
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static status_t start();
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static char const* getServiceName() { return "vold"; }
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virtual status_t dump(int fd, const Vector<String16>& args) override;
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binder::Status setListener(const android::sp<android::os::IVoldListener>& listener);
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binder::Status monitor();
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binder::Status reset();
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binder::Status shutdown();
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binder::Status onUserAdded(int32_t userId, int32_t userSerial);
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binder::Status onUserRemoved(int32_t userId);
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binder::Status onUserStarted(int32_t userId);
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binder::Status onUserStopped(int32_t userId);
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binder::Status addAppIds(const std::vector<std::string>& packageNames,
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const std::vector<int32_t>& appIds);
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binder::Status addSandboxIds(const std::vector<int32_t>& appIds,
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const std::vector<std::string>& sandboxIds);
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binder::Status onSecureKeyguardStateChanged(bool isShowing);
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binder::Status partition(const std::string& diskId, int32_t partitionType, int32_t ratio);
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binder::Status forgetPartition(const std::string& partGuid, const std::string& fsUuid);
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binder::Status mount(const std::string& volId, int32_t mountFlags, int32_t mountUserId,
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const android::sp<android::os::IVoldMountCallback>& callback);
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binder::Status unmount(const std::string& volId);
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binder::Status format(const std::string& volId, const std::string& fsType);
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binder::Status benchmark(const std::string& volId,
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const android::sp<android::os::IVoldTaskListener>& listener);
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binder::Status checkEncryption(const std::string& volId);
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binder::Status moveStorage(const std::string& fromVolId, const std::string& toVolId,
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const android::sp<android::os::IVoldTaskListener>& listener);
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binder::Status remountUid(int32_t uid, int32_t remountMode);
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binder::Status mkdirs(const std::string& path);
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binder::Status createObb(const std::string& sourcePath, const std::string& sourceKey,
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int32_t ownerGid, std::string* _aidl_return);
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binder::Status destroyObb(const std::string& volId);
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binder::Status createStubVolume(const std::string& sourcePath, const std::string& mountPath,
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const std::string& fsType, const std::string& fsUuid,
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const std::string& fsLabel, std::string* _aidl_return);
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binder::Status destroyStubVolume(const std::string& volId);
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binder::Status fstrim(int32_t fstrimFlags,
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const android::sp<android::os::IVoldTaskListener>& listener);
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binder::Status runIdleMaint(const android::sp<android::os::IVoldTaskListener>& listener);
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binder::Status abortIdleMaint(const android::sp<android::os::IVoldTaskListener>& listener);
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binder::Status mountAppFuse(int32_t uid, int32_t mountId,
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android::base::unique_fd* _aidl_return);
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binder::Status unmountAppFuse(int32_t uid, int32_t mountId);
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binder::Status openAppFuseFile(int32_t uid, int32_t mountId, int32_t fileId, int32_t flags,
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android::base::unique_fd* _aidl_return);
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binder::Status fdeCheckPassword(const std::string& password);
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binder::Status fdeRestart();
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binder::Status fdeComplete(int32_t* _aidl_return);
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binder::Status fdeEnable(int32_t passwordType, const std::string& password,
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int32_t encryptionFlags);
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binder::Status fdeChangePassword(int32_t passwordType, const std::string& password);
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binder::Status fdeVerifyPassword(const std::string& password);
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binder::Status fdeGetField(const std::string& key, std::string* _aidl_return);
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binder::Status fdeSetField(const std::string& key, const std::string& value);
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binder::Status fdeGetPasswordType(int32_t* _aidl_return);
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binder::Status fdeGetPassword(std::string* _aidl_return);
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binder::Status fdeClearPassword();
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binder::Status fbeEnable();
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binder::Status mountDefaultEncrypted();
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binder::Status initUser0();
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binder::Status isConvertibleToFbe(bool* _aidl_return);
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binder::Status mountFstab(const std::string& blkDevice, const std::string& mountPoint);
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binder::Status encryptFstab(const std::string& blkDevice, const std::string& mountPoint);
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binder::Status createUserKey(int32_t userId, int32_t userSerial, bool ephemeral);
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binder::Status destroyUserKey(int32_t userId);
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binder::Status addUserKeyAuth(int32_t userId, int32_t userSerial, const std::string& token,
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const std::string& secret);
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binder::Status fixateNewestUserKeyAuth(int32_t userId);
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binder::Status unlockUserKey(int32_t userId, int32_t userSerial, const std::string& token,
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const std::string& secret);
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binder::Status lockUserKey(int32_t userId);
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binder::Status prepareUserStorage(const std::unique_ptr<std::string>& uuid, int32_t userId,
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int32_t userSerial, int32_t flags);
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binder::Status destroyUserStorage(const std::unique_ptr<std::string>& uuid, int32_t userId,
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int32_t flags);
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binder::Status prepareSandboxForApp(const std::string& packageName, int32_t appId,
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const std::string& sandboxId, int32_t userId);
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binder::Status destroySandboxForApp(const std::string& packageName,
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const std::string& sandboxId, int32_t userId);
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binder::Status startCheckpoint(int32_t retry);
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binder::Status needsCheckpoint(bool* _aidl_return);
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binder::Status needsRollback(bool* _aidl_return);
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binder::Status commitChanges();
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binder::Status prepareCheckpoint();
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binder::Status restoreCheckpoint(const std::string& mountPoint);
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binder::Status restoreCheckpointPart(const std::string& mountPoint, int count);
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binder::Status markBootAttempt();
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binder::Status abortChanges(const std::string& message, bool retry);
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binder::Status supportsCheckpoint(bool* _aidl_return);
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binder::Status supportsBlockCheckpoint(bool* _aidl_return);
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binder::Status supportsFileCheckpoint(bool* _aidl_return);
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binder::Status resetCheckpoint();
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};
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} // namespace vold
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} // namespace android
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#endif // _VOLD_NATIVE_SERVICE_H_
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