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Convert RecoverySystemService to use AIDL BootControl HAL

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Test: th
Bug: 227536004

Merged-In: I4938a4a9a9b1ccffc55f45634b321f44b5cd5fa5
Change-Id: I4938a4a9a9b1ccffc55f45634b321f44b5cd5fa5
This commit is contained in:
Kelvin Zhang
2023-01-24 11:20:17 -08:00
parent 0c67ec2873
commit ae97009ea5
5 changed files with 216 additions and 24 deletions
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7
services/core/Android.bp
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@@ -143,9 +143,10 @@ java_library_static {
static_libs: [
"android.hardware.authsecret-V1.0-java",
"android.hardware.boot-V1.0-java",
"android.hardware.boot-V1.1-java",
"android.hardware.boot-V1.2-java",
"android.hardware.boot-V1.0-java", // HIDL
"android.hardware.boot-V1.1-java", // HIDL
"android.hardware.boot-V1.2-java", // HIDL
"android.hardware.boot-V1-java", // AIDL
"android.hardware.broadcastradio-V2.0-java",
"android.hardware.health-V1.0-java", // HIDL
"android.hardware.health-V2.0-java", // HIDL

51
services/core/java/com/android/server/recoverysystem/RecoverySystemService.java
View File

@@ -36,7 +36,7 @@ import android.content.Context;
import android.content.IntentSender;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.hardware.boot.V1_0.IBootControl;
import android.hardware.boot.IBootControl;
import android.net.LocalSocket;
import android.net.LocalSocketAddress;
import android.os.Binder;
@@ -48,6 +48,7 @@ import android.os.Process;
import android.os.RecoverySystem;
import android.os.RemoteException;
import android.os.ResultReceiver;
import android.os.ServiceManager;
import android.os.ShellCallback;
import android.os.SystemProperties;
import android.provider.DeviceConfig;
@@ -66,6 +67,7 @@ import com.android.internal.widget.RebootEscrowListener;
import com.android.server.LocalServices;
import com.android.server.SystemService;
import com.android.server.pm.ApexManager;
import com.android.server.recoverysystem.hal.BootControlHIDL;
import libcore.io.IoUtils;
@@ -155,18 +157,20 @@ public class RecoverySystemService extends IRecoverySystem.Stub implements Reboo
/**
* The action to perform upon new resume on reboot prepare request for a given client.
*/
@IntDef({ ROR_NEED_PREPARATION,
@IntDef({ROR_NEED_PREPARATION,
ROR_SKIP_PREPARATION_AND_NOTIFY,
ROR_SKIP_PREPARATION_NOT_NOTIFY })
private @interface ResumeOnRebootActionsOnRequest {}
ROR_SKIP_PREPARATION_NOT_NOTIFY})
private @interface ResumeOnRebootActionsOnRequest {
}
/**
* The action to perform upon resume on reboot clear request for a given client.
*/
@IntDef({ ROR_NOT_REQUESTED,
@IntDef({ROR_NOT_REQUESTED,
ROR_REQUESTED_NEED_CLEAR,
ROR_REQUESTED_SKIP_CLEAR })
private @interface ResumeOnRebootActionsOnClear {}
ROR_REQUESTED_SKIP_CLEAR})
private @interface ResumeOnRebootActionsOnClear {
}
/**
* Fatal arm escrow errors from lock settings that means the RoR is in a bad state. So clients
@@ -306,19 +310,26 @@ public class RecoverySystemService extends IRecoverySystem.Stub implements Reboo
* Throws remote exception if there's an error getting the boot control HAL.
* Returns null if the boot control HAL's version is older than V1_2.
*/
public android.hardware.boot.V1_2.IBootControl getBootControl() throws RemoteException {
IBootControl bootControlV10 = IBootControl.getService(true);
if (bootControlV10 == null) {
throw new RemoteException("Failed to get boot control HAL V1_0.");
public IBootControl getBootControl() throws RemoteException {
String serviceName = IBootControl.DESCRIPTOR + "/default";
if (ServiceManager.isDeclared(serviceName)) {
Slog.i(TAG,
"AIDL version of BootControl HAL present, using instance " + serviceName);
return IBootControl.Stub.asInterface(
ServiceManager.waitForDeclaredService(serviceName));
}
android.hardware.boot.V1_2.IBootControl bootControlV12 =
android.hardware.boot.V1_2.IBootControl.castFrom(bootControlV10);
if (bootControlV12 == null) {
IBootControl bootcontrol = BootControlHIDL.getService();
if (!BootControlHIDL.isServicePresent()) {
Slog.e(TAG, "Neither AIDL nor HIDL version of the BootControl HAL is present.");
return null;
}
if (!BootControlHIDL.isV1_2ServicePresent()) {
Slog.w(TAG, "Device doesn't implement boot control HAL V1_2.");
return null;
}
return bootControlV12;
return bootcontrol;
}
public void threadSleep(long millis) throws InterruptedException {
@@ -526,7 +537,7 @@ public class RecoverySystemService extends IRecoverySystem.Stub implements Reboo
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.RECOVERY)
!= PackageManager.PERMISSION_GRANTED
&& mContext.checkCallingOrSelfPermission(android.Manifest.permission.REBOOT)
!= PackageManager.PERMISSION_GRANTED) {
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Caller must have " + android.Manifest.permission.RECOVERY
+ " or " + android.Manifest.permission.REBOOT + " for resume on reboot.");
}
@@ -738,7 +749,7 @@ public class RecoverySystemService extends IRecoverySystem.Stub implements Reboo
return true;
}
android.hardware.boot.V1_2.IBootControl bootControl;
IBootControl bootControl;
try {
bootControl = mInjector.getBootControl();
} catch (RemoteException e) {
@@ -972,8 +983,8 @@ public class RecoverySystemService extends IRecoverySystem.Stub implements Reboo
CompressedApexInfoList apexInfoList = getCompressedApexInfoList(packageFile);
if (apexInfoList == null) {
Log.i(TAG, "apex_info.pb not present in OTA package. "
+ "Assuming device doesn't support compressed"
+ "APEX, continueing without allocating space.");
+ "Assuming device doesn't support compressed"
+ "APEX, continueing without allocating space.");
return true;
}
ApexManager apexManager = ApexManager.getInstance();
@@ -1160,6 +1171,7 @@ public class RecoverySystemService extends IRecoverySystem.Stub implements Reboo
/**
* Reads the status from the uncrypt service which is usually represented as a percentage.
*
* @return an integer representing the percentage completed
* @throws IOException if there was an error reading the socket
*/
@@ -1169,6 +1181,7 @@ public class RecoverySystemService extends IRecoverySystem.Stub implements Reboo
/**
* Sends a confirmation to the uncrypt service.
*
* @throws IOException if there was an error writing to the socket
*/
public void sendAck() throws IOException {

178
services/core/java/com/android/server/recoverysystem/hal/BootControlHIDL.java Normal file
View File

@@ -0,0 +1,178 @@
/*
* Copyright (C) 2023 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.recoverysystem.hal;
import android.hardware.boot.IBootControl;
import android.hardware.boot.V1_0.CommandResult;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Slog;
public class BootControlHIDL implements IBootControl {
private static final String TAG = "BootControlHIDL";
final android.hardware.boot.V1_0.IBootControl v1_hal;
final android.hardware.boot.V1_1.IBootControl v1_1_hal;
final android.hardware.boot.V1_2.IBootControl v1_2_hal;
public static boolean isServicePresent() {
try {
android.hardware.boot.V1_0.IBootControl.getService(true);
} catch (RemoteException e) {
return false;
}
return true;
}
public static boolean isV1_2ServicePresent() {
try {
android.hardware.boot.V1_2.IBootControl.getService(true);
} catch (RemoteException e) {
return false;
}
return true;
}
public static BootControlHIDL getService() throws RemoteException {
android.hardware.boot.V1_0.IBootControl v1_hal =
android.hardware.boot.V1_0.IBootControl.getService(true);
android.hardware.boot.V1_1.IBootControl v1_1_hal =
android.hardware.boot.V1_1.IBootControl.castFrom(v1_hal);
android.hardware.boot.V1_2.IBootControl v1_2_hal =
android.hardware.boot.V1_2.IBootControl.castFrom(v1_hal);
return new BootControlHIDL(v1_hal, v1_1_hal, v1_2_hal);
}
private BootControlHIDL(android.hardware.boot.V1_0.IBootControl v1_hal,
android.hardware.boot.V1_1.IBootControl v1_1_hal,
android.hardware.boot.V1_2.IBootControl v1_2_hal) throws RemoteException {
this.v1_hal = v1_hal;
this.v1_1_hal = v1_1_hal;
this.v1_2_hal = v1_2_hal;
if (v1_hal == null) {
throw new RemoteException("Failed to find V1.0 BootControl HIDL");
}
if (v1_2_hal != null) {
Slog.i(TAG, "V1.2 version of BootControl HIDL HAL available, using V1.2");
} else if (v1_1_hal != null) {
Slog.i(TAG, "V1.1 version of BootControl HIDL HAL available, using V1.1");
} else {
Slog.i(TAG, "V1.0 version of BootControl HIDL HAL available, using V1.0");
}
}
@Override
public IBinder asBinder() {
return null;
}
@Override
public int getActiveBootSlot() throws RemoteException {
if (v1_2_hal == null) {
throw new RemoteException("getActiveBootSlot() requires V1.2 BootControl HAL");
}
return v1_2_hal.getActiveBootSlot();
}
@Override
public int getCurrentSlot() throws RemoteException {
return v1_hal.getCurrentSlot();
}
@Override
public int getNumberSlots() throws RemoteException {
return v1_hal.getNumberSlots();
}
@Override
public int getSnapshotMergeStatus() throws RemoteException {
if (v1_1_hal == null) {
throw new RemoteException("getSnapshotMergeStatus() requires V1.1 BootControl HAL");
}
return v1_1_hal.getSnapshotMergeStatus();
}
@Override
public String getSuffix(int slot) throws RemoteException {
return v1_hal.getSuffix(slot);
}
@Override
public boolean isSlotBootable(int slot) throws RemoteException {
int ret = v1_hal.isSlotBootable(slot);
if (ret == -1) {
throw new RemoteException(
"isSlotBootable() failed, Slot %d might be invalid.".formatted(slot));
}
return ret != 0;
}
@Override
public boolean isSlotMarkedSuccessful(int slot) throws RemoteException {
int ret = v1_hal.isSlotMarkedSuccessful(slot);
if (ret == -1) {
throw new RemoteException(
"isSlotMarkedSuccessful() failed, Slot %d might be invalid.".formatted(slot));
}
return ret != 0;
}
@Override
public void markBootSuccessful() throws RemoteException {
CommandResult res = v1_hal.markBootSuccessful();
if (!res.success) {
throw new RemoteException("Error markBootSuccessful() " + res.errMsg);
}
}
@Override
public void setActiveBootSlot(int slot) throws RemoteException {
CommandResult res = v1_hal.setActiveBootSlot(slot);
if (!res.success) {
throw new RemoteException("Error setActiveBootSlot(%d) %s".formatted(slot, res.errMsg));
}
}
@Override
public void setSlotAsUnbootable(int slot) throws RemoteException {
CommandResult res = v1_hal.setSlotAsUnbootable(slot);
if (!res.success) {
throw new RemoteException(
"Error setSlotAsUnbootable(%d) %s".formatted(slot, res.errMsg));
}
}
@Override
public void setSnapshotMergeStatus(int status) throws RemoteException {
if (v1_1_hal == null) {
throw new RemoteException("getSnapshotMergeStatus() requires V1.1 BootControl HAL");
}
if (!v1_1_hal.setSnapshotMergeStatus(status)) {
throw new RemoteException("Error setSnapshotMergeStatus(%d)".formatted(status));
}
}
@Override
public int getInterfaceVersion() throws RemoteException {
return 1;
}
@Override
public String getInterfaceHash() throws RemoteException {
return v1_hal.interfaceDescriptor();
}
}

2
services/tests/servicestests/src/com/android/server/recoverysystem/RecoverySystemServiceTest.java
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@@ -46,7 +46,7 @@ import static org.mockito.Mockito.when;
import android.content.Context;
import android.content.IntentSender;
import android.content.pm.PackageManager;
import android.hardware.boot.V1_2.IBootControl;
import android.hardware.boot.IBootControl;
import android.os.Handler;
import android.os.IPowerManager;
import android.os.IRecoverySystemProgressListener;

2
services/tests/servicestests/src/com/android/server/recoverysystem/RecoverySystemServiceTestable.java
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@@ -17,7 +17,7 @@
package com.android.server.recoverysystem;
import android.content.Context;
import android.hardware.boot.V1_2.IBootControl;
import android.hardware.boot.IBootControl;
import android.os.PowerManager;
import com.android.internal.widget.LockSettingsInternal;