Disallow suspending the default dialer (0dc591b4) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/pm/PackageManagerService.java

+15 −14

Original line number	Diff line number	Diff line
		@@ -11440,10 +11440,10 @@ public class PackageManagerService extends IPackageManager.Stub {
		// List of package names for whom the suspended state is not set as requested in this
		// method.
		List<String> unactionedPackages = new ArrayList<>(packageNames.length);
		for (int i = 0; i < packageNames.length; i++) {
		String packageName = packageNames[i];
		long callingId = Binder.clearCallingIdentity();
		try {
		for (int i = 0; i < packageNames.length; i++) {
		String packageName = packageNames[i];
		boolean changed = false;
		final int appId;
		synchronized (mPackages) {
		@@ -11471,10 +11471,10 @@ public class PackageManagerService extends IPackageManager.Stub {
		killApplication(packageName, UserHandle.getUid(userId, appId),
		"suspending package");
		}
		}
		} finally {
		Binder.restoreCallingIdentity(callingId);
		}
		}

		if (!changedPackages.isEmpty()) {
		sendPackagesSuspendedForUser(changedPackages.toArray(
		@@ -11498,11 +11498,6 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		}

		/**
		* TODO: cache and disallow blocking the active dialer.
		*
		* @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions
		*/
		private boolean canSuspendPackageForUserLocked(String packageName, int userId) {
		if (isPackageDeviceAdmin(packageName, userId)) {
		Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName
		@@ -11529,10 +11524,9 @@ public class PackageManagerService extends IPackageManager.Stub {
		return false;
		}

		final PackageParser.Package pkg = mPackages.get(packageName);
		if (pkg != null && isPrivilegedApp(pkg)) {
		if (packageName.equals(getDefaultDialerPackageName(userId))) {
		Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName
		+ "\": is a privileged app");
		+ "\": is the default dialer");
		return false;
		}

		@@ -11551,6 +11545,12 @@ public class PackageManagerService extends IPackageManager.Stub {
		return resolveInfo == null ? null : resolveInfo.activityInfo.packageName;
		}

		private String getDefaultDialerPackageName(int userId) {
		synchronized (mPackages) {
		return mSettings.getDefaultDialerPackageNameLPw(userId);
		}
		}

		@Override
		public void verifyPendingInstall(int id, int verificationCode) throws RemoteException {
		mContext.enforceCallingOrSelfPermission(
		@@ -20247,6 +20247,7 @@ Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName());
		@Override
		public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) {
		synchronized (mPackages) {
		mSettings.setDefaultDialerPackageNameLPw(packageName, userId);
		mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr(
		packageName, userId);
		}

services/core/java/com/android/server/pm/Settings.java

+29 −3

Original line number	Diff line number	Diff line
		@@ -189,6 +189,7 @@ final class Settings {
		private static final String TAG_ALL_INTENT_FILTER_VERIFICATION =
		"all-intent-filter-verifications";
		private static final String TAG_DEFAULT_BROWSER = "default-browser";
		private static final String TAG_DEFAULT_DIALER = "default-dialer";
		private static final String TAG_VERSION = "version";
		private static final String TAG_N_WORK = "n-work";

		@@ -376,6 +377,9 @@ final class Settings {
		// For every user, it is used to find the package name of the default Browser App.
		final SparseArray<String> mDefaultBrowserApp = new SparseArray<String>();

		// For every user, a record of the package name of the default Dialer App.
		final SparseArray<String> mDefaultDialerApp = new SparseArray<String>();

		// App-link priority tracking, per-user
		final SparseIntArray mNextAppLinkGeneration = new SparseIntArray();

		@@ -1356,6 +1360,19 @@ final class Settings {
		return (userId == UserHandle.USER_ALL) ? null : mDefaultBrowserApp.get(userId);
		}

		boolean setDefaultDialerPackageNameLPw(String packageName, int userId) {
		if (userId == UserHandle.USER_ALL) {
		return false;
		}
		mDefaultDialerApp.put(userId, packageName);
		writePackageRestrictionsLPr(userId);
		return true;
		}

		String getDefaultDialerPackageNameLPw(int userId) {
		return (userId == UserHandle.USER_ALL) ? null : mDefaultDialerApp.get(userId);
		}

		private File getUserPackagesStateFile(int userId) {
		// TODO: Implement a cleaner solution when adding tests.
		// This instead of Environment.getUserSystemDirectory(userId) to support testing.
		@@ -1545,6 +1562,9 @@ final class Settings {
		if (tagName.equals(TAG_DEFAULT_BROWSER)) {
		String packageName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME);
		mDefaultBrowserApp.put(userId, packageName);
		} else if (tagName.equals(TAG_DEFAULT_DIALER)) {
		String packageName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME);
		mDefaultDialerApp.put(userId, packageName);
		} else {
		String msg = "Unknown element under " + TAG_DEFAULT_APPS + ": " +
		parser.getName();
		@@ -1892,12 +1912,18 @@ final class Settings {
		void writeDefaultAppsLPr(XmlSerializer serializer, int userId)
		throws IllegalArgumentException, IllegalStateException, IOException {
		serializer.startTag(null, TAG_DEFAULT_APPS);
		String packageName = mDefaultBrowserApp.get(userId);
		if (!TextUtils.isEmpty(packageName)) {
		String defaultBrowser = mDefaultBrowserApp.get(userId);
		if (!TextUtils.isEmpty(defaultBrowser)) {
		serializer.startTag(null, TAG_DEFAULT_BROWSER);
		serializer.attribute(null, ATTR_PACKAGE_NAME, packageName);
		serializer.attribute(null, ATTR_PACKAGE_NAME, defaultBrowser);
		serializer.endTag(null, TAG_DEFAULT_BROWSER);
		}
		String defaultDialer = mDefaultDialerApp.get(userId);
		if (!TextUtils.isEmpty(defaultDialer)) {
		serializer.startTag(null, TAG_DEFAULT_DIALER);
		serializer.attribute(null, ATTR_PACKAGE_NAME, defaultDialer);
		serializer.endTag(null, TAG_DEFAULT_DIALER);
		}
		serializer.endTag(null, TAG_DEFAULT_APPS);
		}