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-rw-r--r--core/java/android/app/ActivityManagerInternal.java9
-rw-r--r--core/java/android/app/Instrumentation.java92
-rw-r--r--core/java/android/hardware/input/IInputManager.aidl7
-rw-r--r--core/java/android/hardware/input/InputManager.java47
-rw-r--r--services/core/java/com/android/server/am/ActivityManagerService.java6
-rw-r--r--services/core/java/com/android/server/appop/AppOpsService.java6
-rw-r--r--services/core/java/com/android/server/input/InputManagerService.java81
-rw-r--r--services/core/java/com/android/server/logcat/LogcatManagerService.java3
-rw-r--r--services/core/jni/com_android_server_input_InputManagerService.cpp33
9 files changed, 182 insertions, 102 deletions
diff --git a/core/java/android/app/ActivityManagerInternal.java b/core/java/android/app/ActivityManagerInternal.java
index c022bf370e7e..faf64c2ec22b 100644
--- a/core/java/android/app/ActivityManagerInternal.java
+++ b/core/java/android/app/ActivityManagerInternal.java
@@ -562,14 +562,15 @@ public abstract class ActivityManagerInternal {
public abstract void unregisterProcessObserver(IProcessObserver processObserver);
/**
- * Checks if there is an unfinished instrumentation that targets the given uid.
+ * Gets the uid of the instrumentation source if there is an unfinished instrumentation that
+ * targets the given uid.
*
* @param uid The uid to be checked for
*
- * @return True, if there is an instrumentation whose target application uid matches the given
- * uid, false otherwise
+ * @return the uid of the instrumentation source, if there is an instrumentation whose target
+ * application uid matches the given uid, and {@link android.os.Process#INVALID_UID} otherwise.
*/
- public abstract boolean isUidCurrentlyInstrumented(int uid);
+ public abstract int getInstrumentationSourceUid(int uid);
/** Is this a device owner app? */
public abstract boolean isDeviceOwner(int uid);
diff --git a/core/java/android/app/Instrumentation.java b/core/java/android/app/Instrumentation.java
index 638b30e3b46f..e9df50f1d987 100644
--- a/core/java/android/app/Instrumentation.java
+++ b/core/java/android/app/Instrumentation.java
@@ -1058,10 +1058,11 @@ public class Instrumentation {
}
/**
- * Sends the key events corresponding to the text to the app being
- * instrumented.
- *
- * @param text The text to be sent.
+ * Sends the key events that result in the given text being typed into the currently focused
+ * window, and waits for it to be processed.
+ *
+ * @param text The text to be sent.
+ * @see #sendKeySync(KeyEvent)
*/
public void sendStringSync(String text) {
if (text == null) {
@@ -1084,11 +1085,12 @@ public class Instrumentation {
}
/**
- * Send a key event to the currently focused window/view and wait for it to
- * be processed. Finished at some point after the recipient has returned
- * from its event processing, though it may <em>not</em> have completely
- * finished reacting from the event -- for example, if it needs to update
- * its display as a result, it may still be in the process of doing that.
+ * Sends a key event to the currently focused window, and waits for it to be processed.
+ * <p>
+ * This method blocks until the recipient has finished handling the event. Note that the
+ * recipient may <em>not</em> have completely finished reacting from the event when this method
+ * returns. For example, it may still be in the process of updating its display or UI contents
+ * upon reacting to the injected event.
*
* @param event The event to send to the current focus.
*/
@@ -1116,34 +1118,42 @@ public class Instrumentation {
}
/**
- * Sends an up and down key event sync to the currently focused window.
+ * Sends up and down key events with the given key code to the currently focused window, and
+ * waits for it to be processed.
*
- * @param key The integer keycode for the event.
+ * @param keyCode The key code for the events to send.
+ * @see #sendKeySync(KeyEvent)
*/
- public void sendKeyDownUpSync(int key) {
- sendKeySync(new KeyEvent(KeyEvent.ACTION_DOWN, key));
- sendKeySync(new KeyEvent(KeyEvent.ACTION_UP, key));
+ public void sendKeyDownUpSync(int keyCode) {
+ sendKeySync(new KeyEvent(KeyEvent.ACTION_DOWN, keyCode));
+ sendKeySync(new KeyEvent(KeyEvent.ACTION_UP, keyCode));
}
/**
- * Higher-level method for sending both the down and up key events for a
- * particular character key code. Equivalent to creating both KeyEvent
- * objects by hand and calling {@link #sendKeySync}. The event appears
- * as if it came from keyboard 0, the built in one.
- *
+ * Sends up and down key events with the given key code to the currently focused window, and
+ * waits for it to be processed.
+ * <p>
+ * Equivalent to {@link #sendKeyDownUpSync(int)}.
+ *
* @param keyCode The key code of the character to send.
+ * @see #sendKeySync(KeyEvent)
*/
public void sendCharacterSync(int keyCode) {
- sendKeySync(new KeyEvent(KeyEvent.ACTION_DOWN, keyCode));
- sendKeySync(new KeyEvent(KeyEvent.ACTION_UP, keyCode));
+ sendKeyDownUpSync(keyCode);
}
-
+
/**
- * Dispatch a pointer event. Finished at some point after the recipient has
- * returned from its event processing, though it may <em>not</em> have
- * completely finished reacting from the event -- for example, if it needs
- * to update its display as a result, it may still be in the process of
- * doing that.
+ * Dispatches a pointer event into a window owned by the instrumented application, and waits for
+ * it to be processed.
+ * <p>
+ * If the motion event being injected is targeted at a window that is not owned by the
+ * instrumented application, the input injection will fail. See {@link #getUiAutomation()} for
+ * injecting events into all windows.
+ * <p>
+ * This method blocks until the recipient has finished handling the event. Note that the
+ * recipient may <em>not</em> have completely finished reacting from the event when this method
+ * returns. For example, it may still be in the process of updating its display or UI contents
+ * upon reacting to the injected event.
*
* @param event A motion event describing the pointer action. (As noted in
* {@link MotionEvent#obtain(long, long, int, float, float, int)}, be sure to use
@@ -1155,10 +1165,10 @@ public class Instrumentation {
event.setSource(InputDevice.SOURCE_TOUCHSCREEN);
}
- syncInputTransactionsAndInjectEvent(event);
+ syncInputTransactionsAndInjectEventIntoSelf(event);
}
- private void syncInputTransactionsAndInjectEvent(MotionEvent event) {
+ private void syncInputTransactionsAndInjectEventIntoSelf(MotionEvent event) {
final boolean syncBefore = event.getAction() == MotionEvent.ACTION_DOWN
|| event.isFromSource(InputDevice.SOURCE_MOUSE);
final boolean syncAfter = event.getAction() == MotionEvent.ACTION_UP;
@@ -1169,8 +1179,9 @@ public class Instrumentation {
.syncInputTransactions(true /*waitForAnimations*/);
}
+ // Direct the injected event into windows owned by the instrumentation target.
InputManager.getInstance().injectInputEvent(
- event, InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_RESULT);
+ event, InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_RESULT, Process.myUid());
if (syncAfter) {
WindowManagerGlobal.getWindowManagerService()
@@ -1182,19 +1193,26 @@ public class Instrumentation {
}
/**
- * Dispatch a trackball event. Finished at some point after the recipient has
- * returned from its event processing, though it may <em>not</em> have
- * completely finished reacting from the event -- for example, if it needs
- * to update its display as a result, it may still be in the process of
- * doing that.
- *
+ * Dispatches a trackball event into the currently focused window, and waits for it to be
+ * processed.
+ * <p>
+ * This method blocks until the recipient has finished handling the event. Note that the
+ * recipient may <em>not</em> have completely finished reacting from the event when this method
+ * returns. For example, it may still be in the process of updating its display or UI contents
+ * upon reacting to the injected event.
+ *
* @param event A motion event describing the trackball action. (As noted in
* {@link MotionEvent#obtain(long, long, int, float, float, int)}, be sure to use
* {@link SystemClock#uptimeMillis()} as the timebase.
*/
public void sendTrackballEventSync(MotionEvent event) {
validateNotAppThread();
- if ((event.getSource() & InputDevice.SOURCE_CLASS_TRACKBALL) == 0) {
+ if (event.isFromSource(InputDevice.SOURCE_CLASS_POINTER)) {
+ throw new IllegalArgumentException(
+ "Cannot inject pointer events from sendTrackballEventSync()."
+ + " Use sendPointerSync() to inject pointer events.");
+ }
+ if (!event.isFromSource(InputDevice.SOURCE_CLASS_TRACKBALL)) {
event.setSource(InputDevice.SOURCE_TRACKBALL);
}
InputManager.getInstance().injectInputEvent(event,
diff --git a/core/java/android/hardware/input/IInputManager.aidl b/core/java/android/hardware/input/IInputManager.aidl
index e1ffd4a6761d..57e84bdb686d 100644
--- a/core/java/android/hardware/input/IInputManager.aidl
+++ b/core/java/android/hardware/input/IInputManager.aidl
@@ -57,10 +57,11 @@ interface IInputManager {
// Temporarily changes the pointer speed.
void tryPointerSpeed(int speed);
- // Injects an input event into the system. To inject into windows owned by other
- // applications, the caller must have the INJECT_EVENTS permission.
+ // Injects an input event into the system. The caller must have the INJECT_EVENTS permission.
+ // The caller can target windows owned by a certain UID by providing a valid UID, or by
+ // providing {@link android.os.Process#INVALID_UID} to target all windows.
@UnsupportedAppUsage
- boolean injectInputEvent(in InputEvent ev, int mode);
+ boolean injectInputEvent(in InputEvent ev, int mode, int targetUid);
VerifiedInputEvent verifyInputEvent(in InputEvent ev);
diff --git a/core/java/android/hardware/input/InputManager.java b/core/java/android/hardware/input/InputManager.java
index cc5b275bbf5a..0bcabddddf51 100644
--- a/core/java/android/hardware/input/InputManager.java
+++ b/core/java/android/hardware/input/InputManager.java
@@ -45,6 +45,7 @@ import android.os.IVibratorStateListener;
import android.os.InputEventInjectionSync;
import android.os.Looper;
import android.os.Message;
+import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.ServiceManager.ServiceNotFoundException;
@@ -1107,14 +1108,18 @@ public final class InputManager {
}
}
-
/**
- * Injects an input event into the event system on behalf of an application.
+ * Injects an input event into the event system, targeting windows owned by the provided uid.
+ *
+ * If a valid targetUid is provided, the system will only consider injecting the input event
+ * into windows owned by the provided uid. If the input event is targeted at a window that is
+ * not owned by the provided uid, input injection will fail and a RemoteException will be
+ * thrown.
+ *
* The synchronization mode determines whether the method blocks while waiting for
* input injection to proceed.
* <p>
- * Requires {@link android.Manifest.permission.INJECT_EVENTS} to inject into
- * windows that are owned by other applications.
+ * Requires the {@link android.Manifest.permission.INJECT_EVENTS} permission.
* </p><p>
* Make sure you correctly set the event time and input source of the event
* before calling this method.
@@ -1125,12 +1130,14 @@ public final class InputManager {
* {@link android.os.InputEventInjectionSync.NONE},
* {@link android.os.InputEventInjectionSync.WAIT_FOR_RESULT}, or
* {@link android.os.InputEventInjectionSync.WAIT_FOR_FINISHED}.
+ * @param targetUid The uid to target, or {@link android.os.Process#INVALID_UID} to target all
+ * windows.
* @return True if input event injection succeeded.
*
* @hide
*/
- @UnsupportedAppUsage
- public boolean injectInputEvent(InputEvent event, int mode) {
+ @RequiresPermission(Manifest.permission.INJECT_EVENTS)
+ public boolean injectInputEvent(InputEvent event, int mode, int targetUid) {
if (event == null) {
throw new IllegalArgumentException("event must not be null");
}
@@ -1141,13 +1148,39 @@ public final class InputManager {
}
try {
- return mIm.injectInputEvent(event, mode);
+ return mIm.injectInputEvent(event, mode, targetUid);
} catch (RemoteException ex) {
throw ex.rethrowFromSystemServer();
}
}
/**
+ * Injects an input event into the event system on behalf of an application.
+ * The synchronization mode determines whether the method blocks while waiting for
+ * input injection to proceed.
+ * <p>
+ * Requires the {@link android.Manifest.permission.INJECT_EVENTS} permission.
+ * </p><p>
+ * Make sure you correctly set the event time and input source of the event
+ * before calling this method.
+ * </p>
+ *
+ * @param event The event to inject.
+ * @param mode The synchronization mode. One of:
+ * {@link android.os.InputEventInjectionSync.NONE},
+ * {@link android.os.InputEventInjectionSync.WAIT_FOR_RESULT}, or
+ * {@link android.os.InputEventInjectionSync.WAIT_FOR_FINISHED}.
+ * @return True if input event injection succeeded.
+ *
+ * @hide
+ */
+ @RequiresPermission(Manifest.permission.INJECT_EVENTS)
+ @UnsupportedAppUsage
+ public boolean injectInputEvent(InputEvent event, int mode) {
+ return injectInputEvent(event, mode, Process.INVALID_UID);
+ }
+
+ /**
* Verify the details of an {@link android.view.InputEvent} that came from the system.
* If the event did not come from the system, or its details could not be verified, then this
* will return {@code null}. Receiving {@code null} does not mean that the event did not
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 96761ca82c5f..07c281864c9c 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -17215,17 +17215,17 @@ public class ActivityManagerService extends IActivityManager.Stub
}
@Override
- public boolean isUidCurrentlyInstrumented(int uid) {
+ public int getInstrumentationSourceUid(int uid) {
synchronized (mProcLock) {
for (int i = mActiveInstrumentation.size() - 1; i >= 0; i--) {
ActiveInstrumentation activeInst = mActiveInstrumentation.get(i);
if (!activeInst.mFinished && activeInst.mTargetInfo != null
&& activeInst.mTargetInfo.uid == uid) {
- return true;
+ return activeInst.mSourceUid;
}
}
}
- return false;
+ return INVALID_UID;
}
@Override
diff --git a/services/core/java/com/android/server/appop/AppOpsService.java b/services/core/java/com/android/server/appop/AppOpsService.java
index 361629b0a629..752e17e59a6e 100644
--- a/services/core/java/com/android/server/appop/AppOpsService.java
+++ b/services/core/java/com/android/server/appop/AppOpsService.java
@@ -2367,7 +2367,8 @@ public class AppOpsService extends IAppOpsService.Stub {
ActivityManagerInternal ami = LocalServices.getService(ActivityManagerInternal.class);
boolean isSelfRequest = (filter & FILTER_BY_UID) != 0 && uid == Binder.getCallingUid();
if (!isSelfRequest) {
- boolean isCallerInstrumented = ami.isUidCurrentlyInstrumented(Binder.getCallingUid());
+ boolean isCallerInstrumented =
+ ami.getInstrumentationSourceUid(Binder.getCallingUid()) != Process.INVALID_UID;
boolean isCallerSystem = Binder.getCallingPid() == Process.myPid();
boolean isCallerPermissionController;
try {
@@ -6894,7 +6895,8 @@ public class AppOpsService extends IAppOpsService.Stub {
@Override
public @Nullable RuntimeAppOpAccessMessage collectRuntimeAppOpAccessMessage() {
ActivityManagerInternal ami = LocalServices.getService(ActivityManagerInternal.class);
- boolean isCallerInstrumented = ami.isUidCurrentlyInstrumented(Binder.getCallingUid());
+ boolean isCallerInstrumented =
+ ami.getInstrumentationSourceUid(Binder.getCallingUid()) != Process.INVALID_UID;
boolean isCallerSystem = Binder.getCallingPid() == Process.myPid();
if (!isCallerSystem && !isCallerInstrumented) {
return null;
diff --git a/services/core/java/com/android/server/input/InputManagerService.java b/services/core/java/com/android/server/input/InputManagerService.java
index 7360bbc5e54d..385aa698543d 100644
--- a/services/core/java/com/android/server/input/InputManagerService.java
+++ b/services/core/java/com/android/server/input/InputManagerService.java
@@ -20,6 +20,7 @@ import static android.view.KeyEvent.KEYCODE_UNKNOWN;
import android.annotation.NonNull;
import android.annotation.Nullable;
+import android.app.ActivityManagerInternal;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
@@ -325,8 +326,7 @@ public class InputManagerService extends IInputManager.Stub
private static native void nativeSetMaximumObscuringOpacityForTouch(long ptr, float opacity);
private static native void nativeSetBlockUntrustedTouchesMode(long ptr, int mode);
private static native int nativeInjectInputEvent(long ptr, InputEvent event,
- int injectorPid, int injectorUid, int syncMode, int timeoutMillis,
- int policyFlags);
+ boolean injectIntoUid, int uid, int syncMode, int timeoutMillis, int policyFlags);
private static native VerifiedInputEvent nativeVerifyInputEvent(long ptr, InputEvent event);
private static native void nativeToggleCapsLock(long ptr, int deviceId);
private static native void nativeDisplayRemoved(long ptr, int displayId);
@@ -897,7 +897,15 @@ public class InputManagerService extends IInputManager.Stub
}
@Override // Binder call
- public boolean injectInputEvent(InputEvent event, int mode) {
+ public boolean injectInputEvent(InputEvent event, int mode, int targetUid) {
+ if (!checkCallingPermission(android.Manifest.permission.INJECT_EVENTS,
+ "injectInputEvent()", true /*checkInstrumentationSource*/)) {
+ throw new SecurityException(
+ "Injecting input events requires the caller (or the source of the "
+ + "instrumentation, if any) to have the INJECT_EVENTS permission.");
+ }
+ // We are not checking if targetUid matches the callingUid, since having the permission
+ // already means you can inject into any window.
Objects.requireNonNull(event, "event must not be null");
if (mode != InputEventInjectionSync.NONE
&& mode != InputEventInjectionSync.WAIT_FOR_FINISHED
@@ -906,22 +914,41 @@ public class InputManagerService extends IInputManager.Stub
}
final int pid = Binder.getCallingPid();
- final int uid = Binder.getCallingUid();
final long ident = Binder.clearCallingIdentity();
+ final boolean injectIntoUid = targetUid != Process.INVALID_UID;
final int result;
try {
- result = nativeInjectInputEvent(mPtr, event, pid, uid, mode,
- INJECTION_TIMEOUT_MILLIS, WindowManagerPolicy.FLAG_DISABLE_KEY_REPEAT);
+ result = nativeInjectInputEvent(mPtr, event, injectIntoUid,
+ targetUid, mode, INJECTION_TIMEOUT_MILLIS,
+ WindowManagerPolicy.FLAG_DISABLE_KEY_REPEAT);
} finally {
Binder.restoreCallingIdentity(ident);
}
switch (result) {
- case InputEventInjectionResult.PERMISSION_DENIED:
- Slog.w(TAG, "Input event injection from pid " + pid + " permission denied.");
- throw new SecurityException(
- "Injecting to another application requires INJECT_EVENTS permission");
case InputEventInjectionResult.SUCCEEDED:
return true;
+ case InputEventInjectionResult.TARGET_MISMATCH:
+ if (!injectIntoUid) {
+ throw new IllegalStateException("Injection should not result in TARGET_MISMATCH"
+ + " when it is not targeted into to a specific uid.");
+ }
+ // Attempt to inject into a window owned by the instrumentation source of the caller
+ // because it is possible that tests adopt the identity of the shell when launching
+ // activities that they would like to inject into.
+ final ActivityManagerInternal ami =
+ LocalServices.getService(ActivityManagerInternal.class);
+ Objects.requireNonNull(ami, "ActivityManagerInternal should not be null.");
+ final int instrUid = ami.getInstrumentationSourceUid(Binder.getCallingUid());
+ if (instrUid != Process.INVALID_UID && targetUid != instrUid) {
+ Slog.w(TAG, "Targeted input event was not directed at a window owned by uid "
+ + targetUid + ". Attempting to inject into window owned by "
+ + "instrumentation source uid " + instrUid + ".");
+ return injectInputEvent(event, mode, instrUid);
+ }
+ throw new IllegalArgumentException(
+ "Targeted input event injection from pid " + pid
+ + " was not directed at a window owned by uid "
+ + targetUid + ".");
case InputEventInjectionResult.TIMED_OUT:
Slog.w(TAG, "Input event injection from pid " + pid + " timed out.");
return false;
@@ -2757,8 +2784,12 @@ public class InputManagerService extends IInputManager.Stub
}
}
}
-
private boolean checkCallingPermission(String permission, String func) {
+ return checkCallingPermission(permission, func, false /*checkInstrumentationSource*/);
+ }
+
+ private boolean checkCallingPermission(String permission, String func,
+ boolean checkInstrumentationSource) {
// Quick check: if the calling permission is me, it's all okay.
if (Binder.getCallingPid() == Process.myPid()) {
return true;
@@ -2767,6 +2798,18 @@ public class InputManagerService extends IInputManager.Stub
if (mContext.checkCallingPermission(permission) == PackageManager.PERMISSION_GRANTED) {
return true;
}
+
+ if (checkInstrumentationSource) {
+ final ActivityManagerInternal ami =
+ LocalServices.getService(ActivityManagerInternal.class);
+ Objects.requireNonNull(ami, "ActivityManagerInternal should not be null.");
+ final int instrumentationUid = ami.getInstrumentationSourceUid(Binder.getCallingUid());
+ if (instrumentationUid != Process.INVALID_UID && mContext.checkPermission(permission,
+ -1 /*pid*/, instrumentationUid) == PackageManager.PERMISSION_GRANTED) {
+ return true;
+ }
+ }
+
String msg = "Permission Denial: " + func + " from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid()
@@ -3012,13 +3055,6 @@ public class InputManagerService extends IInputManager.Stub
// Native callback.
@SuppressWarnings("unused")
- private boolean checkInjectEventsPermission(int injectorPid, int injectorUid) {
- return mContext.checkPermission(android.Manifest.permission.INJECT_EVENTS,
- injectorPid, injectorUid) == PackageManager.PERMISSION_GRANTED;
- }
-
- // Native callback.
- @SuppressWarnings("unused")
private void onPointerDownOutsideFocus(IBinder touchedToken) {
mWindowManagerCallbacks.onPointerDownOutsideFocus(touchedToken);
}
@@ -3459,12 +3495,17 @@ public class InputManagerService extends IInputManager.Stub
@Override
public void sendInputEvent(InputEvent event, int policyFlags) {
+ if (!checkCallingPermission(android.Manifest.permission.INJECT_EVENTS,
+ "sendInputEvent()")) {
+ throw new SecurityException(
+ "The INJECT_EVENTS permission is required for injecting input events.");
+ }
Objects.requireNonNull(event, "event must not be null");
synchronized (mInputFilterLock) {
if (!mDisconnected) {
- nativeInjectInputEvent(mPtr, event, 0, 0,
- InputManager.INJECT_INPUT_EVENT_MODE_ASYNC, 0,
+ nativeInjectInputEvent(mPtr, event, false /* injectIntoUid */, -1 /* uid */,
+ InputManager.INJECT_INPUT_EVENT_MODE_ASYNC, 0 /* timeout */,
policyFlags | WindowManagerPolicy.FLAG_FILTERED);
}
}
diff --git a/services/core/java/com/android/server/logcat/LogcatManagerService.java b/services/core/java/com/android/server/logcat/LogcatManagerService.java
index 0aa384cedbf1..015bf3c5e390 100644
--- a/services/core/java/com/android/server/logcat/LogcatManagerService.java
+++ b/services/core/java/com/android/server/logcat/LogcatManagerService.java
@@ -183,7 +183,8 @@ public final class LogcatManagerService extends SystemService {
ActivityManagerInternal ami = LocalServices.getService(
ActivityManagerInternal.class);
- boolean isCallerInstrumented = ami.isUidCurrentlyInstrumented(mUid);
+ boolean isCallerInstrumented =
+ ami.getInstrumentationSourceUid(mUid) != android.os.Process.INVALID_UID;
// The instrumented apks only run for testing, so we don't check user permission.
if (isCallerInstrumented) {
diff --git a/services/core/jni/com_android_server_input_InputManagerService.cpp b/services/core/jni/com_android_server_input_InputManagerService.cpp
index 31b557949e36..17016a6eb314 100644
--- a/services/core/jni/com_android_server_input_InputManagerService.cpp
+++ b/services/core/jni/com_android_server_input_InputManagerService.cpp
@@ -106,7 +106,6 @@ static struct {
jmethodID interceptMotionBeforeQueueingNonInteractive;
jmethodID interceptKeyBeforeDispatching;
jmethodID dispatchUnhandledKey;
- jmethodID checkInjectEventsPermission;
jmethodID onPointerDownOutsideFocus;
jmethodID getVirtualKeyQuietTimeMillis;
jmethodID getExcludedDeviceNames;
@@ -329,7 +328,6 @@ public:
bool dispatchUnhandledKey(const sp<IBinder>& token, const KeyEvent* keyEvent,
uint32_t policyFlags, KeyEvent* outFallbackKeyEvent) override;
void pokeUserActivity(nsecs_t eventTime, int32_t eventType, int32_t displayId) override;
- bool checkInjectEventsPermissionNonReentrant(int32_t injectorPid, int32_t injectorUid) override;
void onPointerDownOutsideFocus(const sp<IBinder>& touchedToken) override;
void setPointerCapture(const PointerCaptureRequest& request) override;
void notifyDropWindow(const sp<IBinder>& token, float x, float y) override;
@@ -1368,18 +1366,6 @@ void NativeInputManager::pokeUserActivity(nsecs_t eventTime, int32_t eventType,
android_server_PowerManagerService_userActivity(eventTime, eventType, displayId);
}
-bool NativeInputManager::checkInjectEventsPermissionNonReentrant(
- int32_t injectorPid, int32_t injectorUid) {
- ATRACE_CALL();
- JNIEnv* env = jniEnv();
- jboolean result = env->CallBooleanMethod(mServiceObj,
- gServiceClassInfo.checkInjectEventsPermission, injectorPid, injectorUid);
- if (checkAndClearExceptionFromCallback(env, "checkInjectEventsPermission")) {
- result = false;
- }
- return result;
-}
-
void NativeInputManager::onPointerDownOutsideFocus(const sp<IBinder>& touchedToken) {
ATRACE_CALL();
JNIEnv* env = jniEnv();
@@ -1706,11 +1692,12 @@ static void nativeSetBlockUntrustedTouchesMode(JNIEnv* env, jclass /* clazz */,
static_cast<BlockUntrustedTouchesMode>(mode));
}
-static jint nativeInjectInputEvent(JNIEnv* env, jclass /* clazz */,
- jlong ptr, jobject inputEventObj, jint injectorPid, jint injectorUid,
- jint syncMode, jint timeoutMillis, jint policyFlags) {
+static jint nativeInjectInputEvent(JNIEnv* env, jclass /* clazz */, jlong ptr,
+ jobject inputEventObj, jboolean injectIntoUid, jint uid,
+ jint syncMode, jint timeoutMillis, jint policyFlags) {
NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+ const std::optional<int32_t> targetUid = injectIntoUid ? std::make_optional(uid) : std::nullopt;
// static_cast is safe because the value was already checked at the Java layer
InputEventInjectionSync mode = static_cast<InputEventInjectionSync>(syncMode);
@@ -1723,8 +1710,7 @@ static jint nativeInjectInputEvent(JNIEnv* env, jclass /* clazz */,
}
const InputEventInjectionResult result =
- im->getInputManager()->getDispatcher().injectInputEvent(&keyEvent, injectorPid,
- injectorUid, mode,
+ im->getInputManager()->getDispatcher().injectInputEvent(&keyEvent, targetUid, mode,
std::chrono::milliseconds(
timeoutMillis),
uint32_t(policyFlags));
@@ -1737,8 +1723,8 @@ static jint nativeInjectInputEvent(JNIEnv* env, jclass /* clazz */,
}
const InputEventInjectionResult result =
- im->getInputManager()->getDispatcher().injectInputEvent(motionEvent, injectorPid,
- injectorUid, mode,
+ im->getInputManager()->getDispatcher().injectInputEvent(motionEvent, targetUid,
+ mode,
std::chrono::milliseconds(
timeoutMillis),
uint32_t(policyFlags));
@@ -2359,7 +2345,7 @@ static const JNINativeMethod gInputManagerMethods[] = {
{"nativeSetMaximumObscuringOpacityForTouch", "(JF)V",
(void*)nativeSetMaximumObscuringOpacityForTouch},
{"nativeSetBlockUntrustedTouchesMode", "(JI)V", (void*)nativeSetBlockUntrustedTouchesMode},
- {"nativeInjectInputEvent", "(JLandroid/view/InputEvent;IIIII)I",
+ {"nativeInjectInputEvent", "(JLandroid/view/InputEvent;ZIIII)I",
(void*)nativeInjectInputEvent},
{"nativeVerifyInputEvent", "(JLandroid/view/InputEvent;)Landroid/view/VerifiedInputEvent;",
(void*)nativeVerifyInputEvent},
@@ -2499,9 +2485,6 @@ int register_android_server_InputManager(JNIEnv* env) {
"dispatchUnhandledKey",
"(Landroid/os/IBinder;Landroid/view/KeyEvent;I)Landroid/view/KeyEvent;");
- GET_METHOD_ID(gServiceClassInfo.checkInjectEventsPermission, clazz,
- "checkInjectEventsPermission", "(II)Z");
-
GET_METHOD_ID(gServiceClassInfo.onPointerDownOutsideFocus, clazz,
"onPointerDownOutsideFocus", "(Landroid/os/IBinder;)V");