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Access mock location is no longer a runtime permission - settings

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The access mock location is no longer a runtime permission. It is a
signature protected one that apps cannot get but the fact they request
it means they want to inject location into the system. Now the user
gets to choose the current mock location app in developer options from
the apps that request the mock location permission. The access to mock
location is no longer guarded by the permisson but from a new app op
which is off by default and the settiings UI sets it to enabled only
for the currently selected mock location app.

bug:21078873

Change-Id: I6555179ecf0cc37d9bb857e9dfb3b04c091ea612
This commit is contained in:
Svet Ganov
2015-05-13 10:39:35 -07:00
committed by Svetoslav
parent 0c3d8f1c0f
commit 02e65a181a
4 changed files with 156 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

110
src/com/android/settings/DevelopmentSettings.java
View File

@@ -16,9 +16,12 @@
package com.android.settings;
import android.Manifest;
import android.app.Activity;
import android.app.ActivityManagerNative;
import android.app.AlertDialog;
import android.app.AppOpsManager;
import android.app.AppOpsManager.PackageOps;
import android.app.Dialog;
import android.app.admin.DevicePolicyManager;
import android.app.backup.IBackupManager;
@@ -74,6 +77,7 @@ import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.search.Indexable;
import com.android.settings.widget.SwitchBar;
import java.lang.Process;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
@@ -106,7 +110,6 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
private static final String KEEP_SCREEN_ON = "keep_screen_on";
private static final String BT_HCI_SNOOP_LOG = "bt_hci_snoop_log";
private static final String ENABLE_OEM_UNLOCK = "oem_unlock_enable";
private static final String ALLOW_MOCK_LOCATION = "allow_mock_location";
private static final String HDCP_CHECKING_KEY = "hdcp_checking";
private static final String HDCP_CHECKING_PROPERTY = "persist.sys.hdcp_checking";
private static final String LOCAL_BACKUP_PASSWORD = "local_backup_password";
@@ -119,6 +122,7 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
private static final String DEBUG_APP_KEY = "debug_app";
private static final String WAIT_FOR_DEBUGGER_KEY = "wait_for_debugger";
private static final String MOCK_LOCATION_APP_KEY = "mock_location_app";
private static final String VERIFY_APPS_OVER_USB_KEY = "verify_apps_over_usb";
private static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
private static final String STRICT_MODE_KEY = "strict_mode";
@@ -174,6 +178,7 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
private static final String TERMINAL_APP_PACKAGE = "com.android.terminal";
private static final int RESULT_DEBUG_APP = 1000;
private static final int RESULT_MOCK_LOCATION_APP = 1001;
private static final String PERSISTENT_DATA_BLOCK_PROP = "ro.frp.pst";
@@ -181,6 +186,8 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
private static String DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES = "262144"; // 256K
private static final int[] MOCK_LOCATOIN_APP_OPS = new int[] {AppOpsManager.OP_MOCK_LOCATION};
private static final String MULTI_WINDOW_SYSTEM_PROPERTY = "persist.sys.debug.multi_window";
private IWindowManager mWindowManager;
private IBackupManager mBackupManager;
@@ -201,12 +208,15 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
private SwitchPreference mKeepScreenOn;
private SwitchPreference mBtHciSnoopLog;
private SwitchPreference mEnableOemUnlock;
private SwitchPreference mAllowMockLocation;
private SwitchPreference mDebugViewAttributes;
private PreferenceScreen mPassword;
private String mDebugApp;
private Preference mDebugAppPref;
private String mMockLocationApp;
private Preference mMockLocationAppPref;
private SwitchPreference mWaitForDebugger;
private SwitchPreference mVerifyAppsOverUsb;
private SwitchPreference mWifiDisplayCertification;
@@ -317,7 +327,7 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
removePreference(mEnableOemUnlock);
mEnableOemUnlock = null;
}
mAllowMockLocation = findAndInitSwitchPref(ALLOW_MOCK_LOCATION);
mDebugViewAttributes = findAndInitSwitchPref(DEBUG_VIEW_ATTRIBUTES);
mPassword = (PreferenceScreen) findPreference(LOCAL_BACKUP_PASSWORD);
mAllPrefs.add(mPassword);
@@ -333,6 +343,10 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
mDebugAppPref = findPreference(DEBUG_APP_KEY);
mAllPrefs.add(mDebugAppPref);
mWaitForDebugger = findAndInitSwitchPref(WAIT_FOR_DEBUGGER_KEY);
mMockLocationAppPref = findPreference(MOCK_LOCATION_APP_KEY);
mAllPrefs.add(mMockLocationAppPref);
mVerifyAppsOverUsb = findAndInitSwitchPref(VERIFY_APPS_OVER_USB_KEY);
if (!showVerifierSetting()) {
if (debugDebuggingCategory != null) {
@@ -558,13 +572,12 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
if (mEnableOemUnlock != null) {
updateSwitchPreference(mEnableOemUnlock, Utils.isOemUnlockEnabled(getActivity()));
}
updateSwitchPreference(mAllowMockLocation, Settings.Secure.getInt(cr,
Settings.Secure.ALLOW_MOCK_LOCATION, 0) != 0);
updateSwitchPreference(mDebugViewAttributes, Settings.Global.getInt(cr,
Settings.Global.DEBUG_VIEW_ATTRIBUTES, 0) != 0);
updateHdcpValues();
updatePasswordSummary();
updateDebuggerOptions();
updateMockLocation();
updateStrictModeVisualOptions();
updatePointerLocationOptions();
updateShowTouchesOptions();
@@ -677,6 +690,41 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
}
}
private void writeMockLocation() {
AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
// Disable the app op of the previous mock location app if such.
List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATOIN_APP_OPS);
if (packageOps != null) {
// Should be one but in case we are in a bad state due to use of command line tools.
for (PackageOps packageOp : packageOps) {
if (packageOp.getOps().get(0).getMode() != AppOpsManager.MODE_ERRORED) {
String oldMockLocationApp = packageOp.getPackageName();
try {
ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
oldMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
oldMockLocationApp, AppOpsManager.MODE_ERRORED);
} catch (NameNotFoundException e) {
/* ignore */
}
}
}
}
// Enable the app op of the new mock location app if such.
if (!TextUtils.isEmpty(mMockLocationApp)) {
try {
ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
mMockLocationApp, AppOpsManager.MODE_ALLOWED);
} catch (NameNotFoundException e) {
/* ignore */
}
}
}
private static void resetDebuggerOptions() {
try {
ActivityManagerNative.getDefault().setDebugApp(
@@ -709,6 +757,39 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
}
}
private void updateMockLocation() {
AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATOIN_APP_OPS);
if (packageOps != null) {
for (PackageOps packageOp : packageOps) {
if (packageOp.getOps().get(0).getMode() == AppOpsManager.MODE_ALLOWED) {
mMockLocationApp = packageOps.get(0).getPackageName();
break;
}
}
}
if (!TextUtils.isEmpty(mMockLocationApp)) {
String label = mMockLocationApp;
try {
ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
CharSequence appLabel = getPackageManager().getApplicationLabel(ai);
if (appLabel != null) {
label = appLabel.toString();
}
} catch (PackageManager.NameNotFoundException e) {
/* ignore */
}
mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_set, label));
mHaveDebugSettings = true;
} else {
mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_not_set));
}
}
private void updateVerifyAppsOverUsbOptions() {
updateSwitchPreference(mVerifyAppsOverUsb, Settings.Global.getInt(getActivity().getContentResolver(),
Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) != 0);
@@ -1506,6 +1587,12 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
writeDebuggerOptions();
updateDebuggerOptions();
}
} else if (requestCode == RESULT_MOCK_LOCATION_APP) {
if (resultCode == Activity.RESULT_OK) {
mMockLocationApp = data.getAction();
writeMockLocation();
updateMockLocation();
}
} else if (requestCode == REQUEST_CODE_ENABLE_OEM_UNLOCK) {
if (resultCode == Activity.RESULT_OK) {
if (mEnableOemUnlock.isChecked()) {
@@ -1574,16 +1661,19 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
Utils.setOemUnlockEnabled(getActivity(), false);
}
}
} else if (preference == mAllowMockLocation) {
Settings.Secure.putInt(getActivity().getContentResolver(),
Settings.Secure.ALLOW_MOCK_LOCATION,
mAllowMockLocation.isChecked() ? 1 : 0);
} else if (preference == mMockLocationAppPref) {
Intent intent = new Intent(getActivity(), AppPicker.class);
intent.putExtra(AppPicker.EXTRA_REQUESTIING_PERMISSION,
Manifest.permission.ACCESS_MOCK_LOCATION);
startActivityForResult(intent, RESULT_MOCK_LOCATION_APP);
} else if (preference == mDebugViewAttributes) {
Settings.Global.putInt(getActivity().getContentResolver(),
Settings.Global.DEBUG_VIEW_ATTRIBUTES,
mDebugViewAttributes.isChecked() ? 1 : 0);
} else if (preference == mDebugAppPref) {
startActivityForResult(new Intent(getActivity(), AppPicker.class), RESULT_DEBUG_APP);
Intent intent = new Intent(getActivity(), AppPicker.class);
intent.putExtra(AppPicker.EXTRA_DEBUGGABLE, true);
startActivityForResult(intent, RESULT_DEBUG_APP);
} else if (preference == mWaitForDebugger) {
writeDebuggerOptions();
} else if (preference == mVerifyAppsOverUsb) {