send broadcast to admins on financed role changing (c729bfed) · Commits · e / os / android_frameworks_base

core/api/current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -8049,6 +8049,7 @@ package android.app.admin {
		field public static final String ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED = "android.app.action.APPLICATION_DELEGATION_SCOPES_CHANGED";
		field public static final String ACTION_CHECK_POLICY_COMPLIANCE = "android.app.action.CHECK_POLICY_COMPLIANCE";
		field public static final String ACTION_DEVICE_ADMIN_SERVICE = "android.app.action.DEVICE_ADMIN_SERVICE";
		field public static final String ACTION_DEVICE_FINANCING_STATE_CHANGED = "android.app.admin.action.DEVICE_FINANCING_STATE_CHANGED";
		field public static final String ACTION_DEVICE_OWNER_CHANGED = "android.app.action.DEVICE_OWNER_CHANGED";
		field public static final String ACTION_DEVICE_POLICY_RESOURCE_UPDATED = "android.app.action.DEVICE_POLICY_RESOURCE_UPDATED";
		field public static final String ACTION_GET_PROVISIONING_MODE = "android.app.action.GET_PROVISIONING_MODE";

core/java/android/app/admin/DevicePolicyManager.java

+22 −0

Original line number	Diff line number	Diff line
		@@ -57,6 +57,7 @@ import static com.android.internal.util.function.pooled.PooledLambda.obtainMessa

		import android.Manifest.permission;
		import android.accounts.Account;
		import android.annotation.BroadcastBehavior;
		import android.annotation.CallbackExecutor;
		import android.annotation.ColorInt;
		import android.annotation.IntDef;
		@@ -3998,6 +3999,27 @@ public class DevicePolicyManager {
		public static final String EXTRA_RESOURCE_IDS =
		"android.app.extra.RESOURCE_IDS";

		/**
		* Broadcast Action: Broadcast sent to indicate that the device financing state has changed.
		*
		* <p>This occurs when, for example, a financing kiosk app has been added or removed.
		*
		* <p>To query the current device financing state see {@link #isDeviceFinanced}.
		*
		* <p>This will be delivered to the following apps if they include a receiver for this action
		* in their manifest:
		* <ul>
		* <li>Device owner admins.
		* <li>Organization-owned profile owner admins
		* <li>The supervision app
		* <li>The device management role holder
		* </ul>
		*/
		@SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION)
		@BroadcastBehavior(explicitOnly = true, includeBackground = true)
		public static final String ACTION_DEVICE_FINANCING_STATE_CHANGED =
		"android.app.admin.action.DEVICE_FINANCING_STATE_CHANGED";

		/** Allow the user to choose whether to enable MTE on the device. */
		public static final int MTE_NOT_CONTROLLED_BY_POLICY = 0;

services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java

+99 −42

Original line number	Diff line number	Diff line
		@@ -95,6 +95,7 @@ import static android.app.admin.DeviceAdminReceiver.ACTION_COMPLIANCE_ACKNOWLEDG
		import static android.app.admin.DeviceAdminReceiver.EXTRA_TRANSFER_OWNERSHIP_ADMIN_EXTRAS_BUNDLE;
		import static android.app.admin.DevicePolicyIdentifiers.AUTO_TIMEZONE_POLICY;
		import static android.app.admin.DevicePolicyManager.ACTION_CHECK_POLICY_COMPLIANCE;
		import static android.app.admin.DevicePolicyManager.ACTION_DEVICE_FINANCING_STATE_CHANGED;
		import static android.app.admin.DevicePolicyManager.ACTION_DEVICE_POLICY_RESOURCE_UPDATED;
		import static android.app.admin.DevicePolicyManager.ACTION_MANAGED_PROFILE_PROVISIONED;
		import static android.app.admin.DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE;
		@@ -15440,7 +15441,8 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
		Slogf.i(LOG_TAG, "Sending %s broadcast to manifest receivers.", intent.getAction());
		broadcastIntentToCrossProfileManifestReceivers(
		intent, parentHandle, requiresPermission);
		broadcastIntentToDevicePolicyManagerRoleHolder(intent, parentHandle);
		broadcastExplicitIntentToRoleHolder(
		intent, RoleManager.ROLE_DEVICE_POLICY_MANAGEMENT, parentHandle);
		}

		@Override
		@@ -15481,36 +15483,6 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
		}
		}

		private void broadcastIntentToDevicePolicyManagerRoleHolder(
		Intent intent, UserHandle userHandle) {
		final int userId = userHandle.getIdentifier();
		final String packageName = getDevicePolicyManagementRoleHolderPackageName(mContext);
		if (packageName == null) {
		return;
		}
		try {
		final Intent packageIntent = new Intent(intent)
		.setPackage(packageName);
		final List<ResolveInfo> receivers = mIPackageManager.queryIntentReceivers(
		packageIntent,
		/* resolvedType= */ null,
		STOCK_PM_FLAGS,
		userId).getList();
		if (receivers.isEmpty()) {
		return;
		}
		for (ResolveInfo receiver : receivers) {
		final Intent componentIntent = new Intent(packageIntent)
		.setComponent(receiver.getComponentInfo().getComponentName())
		.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND);
		mContext.sendBroadcastAsUser(componentIntent, userHandle);
		}
		} catch (RemoteException ex) {
		Slogf.w(LOG_TAG, "Cannot get list of broadcast receivers for %s because: %s.",
		intent.getAction(), ex);
		}
		}

		/**
		* Checks whether the package {@code packageName} has the {@code MODIFY_QUIET_MODE}
		* permission granted for the user {@code userId}.
		@@ -20718,7 +20690,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {

		private void maybeInstallDevicePolicyManagementRoleHolderInUser(int targetUserId) {
		String devicePolicyManagerRoleHolderPackageName =
		getDevicePolicyManagementRoleHolderPackageName(mContext);
		getRoleHolderPackageName(mContext, RoleManager.ROLE_DEVICE_POLICY_MANAGEMENT);
		if (devicePolicyManagerRoleHolderPackageName == null) {
		Slogf.d(LOG_TAG, "No device policy management role holder specified.");
		return;
		@@ -20744,14 +20716,24 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
		}
		}

		/**
		* If multiple packages hold the role, returns the first package in the list.
		*/
		@Nullable
		private String getRoleHolderPackageName(Context context, String role) {
		return getRoleHolderPackageNameOnUser(context, role, Process.myUserHandle());
		}

		private String getDevicePolicyManagementRoleHolderPackageName(Context context) {
		/**
		* If multiple packages hold the role, returns the first package in the list.
		*/
		@Nullable
		private String getRoleHolderPackageNameOnUser(Context context, String role, UserHandle user) {
		RoleManager roleManager = context.getSystemService(RoleManager.class);

		// Calling identity needs to be cleared as this method is used in the permissions checks.
		return mInjector.binderWithCleanCallingIdentity(() -> {
		List<String> roleHolders =
		roleManager.getRoleHolders(RoleManager.ROLE_DEVICE_POLICY_MANAGEMENT);
		List<String> roleHolders = roleManager.getRoleHoldersAsUser(role, user);
		if (roleHolders.isEmpty()) {
		return null;
		}
		@@ -20762,7 +20744,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
		private boolean isCallerDevicePolicyManagementRoleHolder(CallerIdentity caller) {
		int callerUid = caller.getUid();
		String devicePolicyManagementRoleHolderPackageName =
		getDevicePolicyManagementRoleHolderPackageName(mContext);
		getRoleHolderPackageName(mContext, RoleManager.ROLE_DEVICE_POLICY_MANAGEMENT);
		int roleHolderUid = mInjector.getPackageManagerInternal().getPackageUid(
		devicePolicyManagementRoleHolderPackageName, 0, caller.getUserId());

		@@ -21830,15 +21812,23 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
		}

		public void register() {
		mRm.addOnRoleHoldersChangedListenerAsUser(mExecutor, this, UserHandle.SYSTEM);
		mRm.addOnRoleHoldersChangedListenerAsUser(mExecutor, this, UserHandle.ALL);
		}

		@Override
		public void onRoleHoldersChanged(@NonNull String roleName, @NonNull UserHandle user) {
		if (!RoleManager.ROLE_DEVICE_POLICY_MANAGEMENT.equals(roleName)) {
		if (RoleManager.ROLE_DEVICE_POLICY_MANAGEMENT.equals(roleName)) {
		handleDevicePolicyManagementRoleChange(user);
		return;
		}
		if (RoleManager.ROLE_FINANCED_DEVICE_KIOSK.equals(roleName)) {
		handleFinancedDeviceKioskRoleChange();
		return;
		}
		String newRoleHolder = getRoleHolder();
		}

		private void handleDevicePolicyManagementRoleChange(UserHandle user) {
		String newRoleHolder = getDeviceManagementRoleHolder(user);
		if (isDefaultRoleHolder(newRoleHolder)) {
		Slogf.i(LOG_TAG,
		"onRoleHoldersChanged: Default role holder is set, returning early");
		@@ -21873,9 +21863,42 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
		}
		}

		private String getRoleHolder() {
		return DevicePolicyManagerService.this.getDevicePolicyManagementRoleHolderPackageName(
		mContext);
		private void handleFinancedDeviceKioskRoleChange() {
		if (!isDevicePolicyEngineEnabled()) {
		return;
		}
		Slog.i(LOG_TAG, "Handling action " + ACTION_DEVICE_FINANCING_STATE_CHANGED);
		Intent intent = new Intent(ACTION_DEVICE_FINANCING_STATE_CHANGED);
		mInjector.binderWithCleanCallingIdentity(() -> {
		for (UserInfo userInfo : mUserManager.getUsers()) {
		UserHandle user = userInfo.getUserHandle();
		broadcastExplicitIntentToRoleHolder(
		intent, RoleManager.ROLE_SYSTEM_SUPERVISION, user);
		broadcastExplicitIntentToRoleHolder(
		intent, RoleManager.ROLE_DEVICE_POLICY_MANAGEMENT, user);
		ActiveAdmin admin = getDeviceOrProfileOwnerAdminLocked(user.getIdentifier());
		if (admin == null) {
		continue;
		}
		if (!isProfileOwnerOfOrganizationOwnedDevice(
		admin.info.getComponent(), user.getIdentifier())
		&& !isDeviceOwner(admin)) {
		continue;
		}
		// Don't send the broadcast twice if the DPC is the same package as the
		// DMRH
		if (admin.info.getPackageName().equals(getDeviceManagementRoleHolder(user))) {
		continue;
		}
		broadcastExplicitIntentToPackage(
		intent, admin.info.getPackageName(), admin.getUserHandle());
		}
		});
		}

		private String getDeviceManagementRoleHolder(UserHandle user) {
		return DevicePolicyManagerService.this.getRoleHolderPackageNameOnUser(
		mContext, RoleManager.ROLE_DEVICE_POLICY_MANAGEMENT, user);
		}

		private boolean isDefaultRoleHolder(String packageName) {
		@@ -21935,6 +21958,40 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
		}
		}

		private void broadcastExplicitIntentToRoleHolder(
		Intent intent, String role, UserHandle userHandle) {
		String packageName = getRoleHolderPackageNameOnUser(mContext, role, userHandle);
		if (packageName == null) {
		return;
		}
		broadcastExplicitIntentToPackage(intent, packageName, userHandle);
		}

		private void broadcastExplicitIntentToPackage(
		Intent intent, String packageName, UserHandle userHandle) {
		int userId = userHandle.getIdentifier();
		if (packageName == null) {
		return;
		}
		Intent packageIntent = new Intent(intent)
		.setPackage(packageName);
		List<ResolveInfo> receivers = mContext.getPackageManager().queryBroadcastReceiversAsUser(
		packageIntent,
		PackageManager.ResolveInfoFlags.of(PackageManager.GET_RECEIVERS),
		userId);
		if (receivers.isEmpty()) {
		Slog.i(LOG_TAG, "Found no receivers to handle intent " + intent
		+ " in package " + packageName);
		return;
		}
		for (ResolveInfo receiver : receivers) {
		Intent componentIntent = new Intent(packageIntent)
		.setComponent(receiver.getComponentInfo().getComponentName())
		.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND);
		mContext.sendBroadcastAsUser(componentIntent, userHandle);
		}
		}

		@Override
		public List<UserHandle> getPolicyManagedProfiles(@NonNull UserHandle user) {
		Preconditions.checkCallAuthorization(hasCallingOrSelfPermission(