Add isActiveAdminWithPolicy to DevicePolicyManagerInternal (1181ed8a) · Commits · e / os / android_frameworks_base

core/java/android/app/admin/DevicePolicyManagerInternal.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -60,4 +60,13 @@ public abstract class DevicePolicyManagerInternal {
		*/
		public abstract void addOnCrossProfileWidgetProvidersChangeListener(
		OnCrossProfileWidgetProvidersChangeListener listener);

		/**
		* Checks if an app with given uid is an active device admin of its user and has the policy
		* specified.
		* @param uid App uid.
		* @param reqPolicy Required policy, for policies see {@link DevicePolicyManager}.
		* @return true if the uid is an active admin with the given policy.
		*/
		public abstract boolean isActiveAdminWithPolicy(int uid, int reqPolicy);
		}

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

+65 −42

Original line number	Diff line number	Diff line
		@@ -1140,70 +1140,85 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
		ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy)
		throws SecurityException {
		final int callingUid = Binder.getCallingUid();
		final int userHandle = UserHandle.getUserId(callingUid);
		final DevicePolicyData policy = getUserData(userHandle);

		List<ActiveAdmin> candidates = new ArrayList<ActiveAdmin>();
		ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid);
		if (result != null) {
		return result;
		}

		if (who != null) {
		final int userId = UserHandle.getUserId(callingUid);
		final DevicePolicyData policy = getUserData(userId);
		ActiveAdmin admin = policy.mAdminMap.get(who);
		if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) {
		throw new SecurityException("Admin " + admin.info.getComponent()
		+ " does not own the device");
		}
		if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) {
		throw new SecurityException("Admin " + admin.info.getComponent()
		+ " does not own the profile");
		}
		throw new SecurityException("Admin " + admin.info.getComponent()
		+ " did not specify uses-policy for: "
		+ admin.info.getTagForPolicy(reqPolicy));
		} else {
		throw new SecurityException("No active admin owned by uid "
		+ Binder.getCallingUid() + " for policy #" + reqPolicy);
		}
		}

		// Build a list of admins for this uid matching the given ComponentName
		private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy,
		int uid) {
		// Try to find an admin which can use reqPolicy
		final int userId = UserHandle.getUserId(uid);
		final DevicePolicyData policy = getUserData(userId);
		if (who != null) {
		ActiveAdmin admin = policy.mAdminMap.get(who);
		if (admin == null) {
		throw new SecurityException("No active admin " + who);
		}
		if (admin.getUid() != callingUid) {
		if (admin.getUid() != uid) {
		throw new SecurityException("Admin " + who + " is not owned by uid "
		+ Binder.getCallingUid());
		}
		candidates.add(admin);
		if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) {
		return admin;
		}
		} else {
		for (ActiveAdmin admin : policy.mAdminList) {
		if (admin.getUid() == callingUid) {
		candidates.add(admin);
		if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy,
		userId)) {
		return admin;
		}
		}
		}

		// Try to find an admin which can use reqPolicy
		for (ActiveAdmin admin : candidates) {
		return null;
		}

		private boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy,
		int userId) {
		boolean ownsDevice = isDeviceOwner(admin.info.getPackageName());
		boolean ownsProfile = (getProfileOwner(userHandle) != null
		&& getProfileOwner(userHandle).getPackageName()
		boolean ownsProfile = (getProfileOwner(userId) != null
		&& getProfileOwner(userId).getPackageName()
		.equals(admin.info.getPackageName()));
		boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName())
		&& !hasUserSetupCompleted(userHandle);
		&& !hasUserSetupCompleted(userId);

		if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) {
		if (ownsDevice \|\| (userHandle == UserHandle.USER_OWNER && ownsInitialization)) {
		return admin;
		if (ownsDevice \|\| (userId == UserHandle.USER_OWNER && ownsInitialization)) {
		return true;
		}
		} else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) {
		if (ownsDevice \|\| ownsProfile \|\| ownsInitialization) {
		return admin;
		return true;
		}
		} else {
		if (admin.info.usesPolicy(reqPolicy)) {
		return admin;
		}
		}
		}

		if (who != null) {
		if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) {
		throw new SecurityException("Admin " + candidates.get(0).info.getComponent()
		+ " does not own the device");
		}
		if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) {
		throw new SecurityException("Admin " + candidates.get(0).info.getComponent()
		+ " does not own the profile");
		return true;
		}
		throw new SecurityException("Admin " + candidates.get(0).info.getComponent()
		+ " did not specify uses-policy for: "
		+ candidates.get(0).info.getTagForPolicy(reqPolicy));
		} else {
		throw new SecurityException("No active admin owned by uid "
		+ Binder.getCallingUid() + " for policy #" + reqPolicy);
		}
		return false;
		}

		void sendAdminCommandLocked(ActiveAdmin admin, String action) {
		@@ -5702,6 +5717,14 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
		}
		}

		@Override
		public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) {
		final int userId = UserHandle.getUserId(uid);
		synchronized(DevicePolicyManagerService.this) {
		return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null;
		}
		}

		private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) {
		final List<OnCrossProfileWidgetProvidersChangeListener> listeners;
		synchronized (DevicePolicyManagerService.this) {