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Merge "Use DPMS lock for the policy engine" into udc-dev

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This commit is contained in:
Kholoud Mohamed
2023-06-08 08:22:21 +00:00
committed by Android (Google) Code Review
parent 24f101ea27 92d4644c8b
commit 98c8c131ac
2 changed files with 123 additions and 109 deletions
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229
services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyEngine.java
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@@ -101,7 +101,7 @@ final class DevicePolicyEngine {
private final UserManager mUserManager; private final UserManager mUserManager;
// TODO(b/256849338): add more granular locks // TODO(b/256849338): add more granular locks
private final Object mLock = new Object(); private final Object mLock;
/** /**
* Map of <userId, Map<policyKey, policyState>> * Map of <userId, Map<policyKey, policyState>>
@@ -122,9 +122,11 @@ final class DevicePolicyEngine {
DevicePolicyEngine( DevicePolicyEngine(
@NonNull Context context, @NonNull Context context,
@NonNull DeviceAdminServiceController deviceAdminServiceController) { @NonNull DeviceAdminServiceController deviceAdminServiceController,
@NonNull Object lock) {
mContext = Objects.requireNonNull(context); mContext = Objects.requireNonNull(context);
mDeviceAdminServiceController = Objects.requireNonNull(deviceAdminServiceController); mDeviceAdminServiceController = Objects.requireNonNull(deviceAdminServiceController);
mLock = Objects.requireNonNull(lock);
mUserManager = mContext.getSystemService(UserManager.class); mUserManager = mContext.getSystemService(UserManager.class);
mLocalPolicies = new SparseArray<>(); mLocalPolicies = new SparseArray<>();
mGlobalPolicies = new HashMap<>(); mGlobalPolicies = new HashMap<>();
@@ -152,8 +154,8 @@ final class DevicePolicyEngine {
PolicyState<V> localPolicyState = getLocalPolicyStateLocked(policyDefinition, userId); PolicyState<V> localPolicyState = getLocalPolicyStateLocked(policyDefinition, userId);
if (policyDefinition.isNonCoexistablePolicy()) { if (policyDefinition.isNonCoexistablePolicy()) {
setNonCoexistableLocalPolicy(policyDefinition, localPolicyState, enforcingAdmin, setNonCoexistableLocalPolicyLocked(policyDefinition, localPolicyState,
value, userId, skipEnforcePolicy); enforcingAdmin, value, userId, skipEnforcePolicy);
return; return;
} }
@@ -173,7 +175,7 @@ final class DevicePolicyEngine {
// the data structures. // the data structures.
if (!skipEnforcePolicy) { if (!skipEnforcePolicy) {
if (policyChanged) { if (policyChanged) {
onLocalPolicyChanged(policyDefinition, enforcingAdmin, userId); onLocalPolicyChangedLocked(policyDefinition, enforcingAdmin, userId);
} }
boolean policyEnforced = Objects.equals( boolean policyEnforced = Objects.equals(
localPolicyState.getCurrentResolvedPolicy(), value); localPolicyState.getCurrentResolvedPolicy(), value);
@@ -211,7 +213,7 @@ final class DevicePolicyEngine {
* *
* <p>Passing a {@code null} value means the policy set by this admin should be removed. * <p>Passing a {@code null} value means the policy set by this admin should be removed.
*/ */
private <V> void setNonCoexistableLocalPolicy( private <V> void setNonCoexistableLocalPolicyLocked(
PolicyDefinition<V> policyDefinition, PolicyDefinition<V> policyDefinition,
PolicyState<V> localPolicyState, PolicyState<V> localPolicyState,
EnforcingAdmin enforcingAdmin, EnforcingAdmin enforcingAdmin,
@@ -266,8 +268,8 @@ final class DevicePolicyEngine {
PolicyState<V> localPolicyState = getLocalPolicyStateLocked(policyDefinition, userId); PolicyState<V> localPolicyState = getLocalPolicyStateLocked(policyDefinition, userId);
if (policyDefinition.isNonCoexistablePolicy()) { if (policyDefinition.isNonCoexistablePolicy()) {
setNonCoexistableLocalPolicy(policyDefinition, localPolicyState, enforcingAdmin, setNonCoexistableLocalPolicyLocked(policyDefinition, localPolicyState,
/* value= */ null, userId, /* skipEnforcePolicy= */ false); enforcingAdmin, /* value= */ null, userId, /* skipEnforcePolicy= */ false);
return; return;
} }
@@ -282,7 +284,7 @@ final class DevicePolicyEngine {
} }
if (policyChanged) { if (policyChanged) {
onLocalPolicyChanged(policyDefinition, enforcingAdmin, userId); onLocalPolicyChangedLocked(policyDefinition, enforcingAdmin, userId);
} }
// For a removePolicy to be enforced, it means no current policy exists // For a removePolicy to be enforced, it means no current policy exists
@@ -348,7 +350,7 @@ final class DevicePolicyEngine {
/** /**
* Enforces the new policy and notifies relevant admins. * Enforces the new policy and notifies relevant admins.
*/ */
private <V> void onLocalPolicyChanged( private <V> void onLocalPolicyChangedLocked(
@NonNull PolicyDefinition<V> policyDefinition, @NonNull PolicyDefinition<V> policyDefinition,
@NonNull EnforcingAdmin enforcingAdmin, @NonNull EnforcingAdmin enforcingAdmin,
int userId) { int userId) {
@@ -358,7 +360,7 @@ final class DevicePolicyEngine {
policyDefinition, localPolicyState.getCurrentResolvedPolicy(), userId); policyDefinition, localPolicyState.getCurrentResolvedPolicy(), userId);
// Send policy updates to admins who've set it locally // Send policy updates to admins who've set it locally
sendPolicyChangedToAdmins( sendPolicyChangedToAdminsLocked(
localPolicyState, localPolicyState,
enforcingAdmin, enforcingAdmin,
policyDefinition, policyDefinition,
@@ -369,7 +371,7 @@ final class DevicePolicyEngine {
// Send policy updates to admins who've set it globally // Send policy updates to admins who've set it globally
if (hasGlobalPolicyLocked(policyDefinition)) { if (hasGlobalPolicyLocked(policyDefinition)) {
PolicyState<V> globalPolicyState = getGlobalPolicyStateLocked(policyDefinition); PolicyState<V> globalPolicyState = getGlobalPolicyStateLocked(policyDefinition);
sendPolicyChangedToAdmins( sendPolicyChangedToAdminsLocked(
globalPolicyState, globalPolicyState,
enforcingAdmin, enforcingAdmin,
policyDefinition, policyDefinition,
@@ -424,7 +426,7 @@ final class DevicePolicyEngine {
// the data structures. // the data structures.
if (!skipEnforcePolicy) { if (!skipEnforcePolicy) {
if (policyChanged) { if (policyChanged) {
onGlobalPolicyChanged(policyDefinition, enforcingAdmin); onGlobalPolicyChangedLocked(policyDefinition, enforcingAdmin);
} }
boolean policyAppliedGlobally = Objects.equals( boolean policyAppliedGlobally = Objects.equals(
@@ -473,7 +475,7 @@ final class DevicePolicyEngine {
boolean policyChanged = policyState.removePolicy(enforcingAdmin); boolean policyChanged = policyState.removePolicy(enforcingAdmin);
if (policyChanged) { if (policyChanged) {
onGlobalPolicyChanged(policyDefinition, enforcingAdmin); onGlobalPolicyChangedLocked(policyDefinition, enforcingAdmin);
} }
applyGlobalPolicyOnUsersWithLocalPoliciesLocked(policyDefinition, enforcingAdmin, applyGlobalPolicyOnUsersWithLocalPoliciesLocked(policyDefinition, enforcingAdmin,
@@ -499,7 +501,7 @@ final class DevicePolicyEngine {
/** /**
* Enforces the new policy globally and notifies relevant admins. * Enforces the new policy globally and notifies relevant admins.
*/ */
private <V> void onGlobalPolicyChanged( private <V> void onGlobalPolicyChangedLocked(
@NonNull PolicyDefinition<V> policyDefinition, @NonNull PolicyDefinition<V> policyDefinition,
@NonNull EnforcingAdmin enforcingAdmin) { @NonNull EnforcingAdmin enforcingAdmin) {
PolicyState<V> policyState = getGlobalPolicyStateLocked(policyDefinition); PolicyState<V> policyState = getGlobalPolicyStateLocked(policyDefinition);
@@ -507,7 +509,7 @@ final class DevicePolicyEngine {
enforcePolicy(policyDefinition, policyState.getCurrentResolvedPolicy(), enforcePolicy(policyDefinition, policyState.getCurrentResolvedPolicy(),
UserHandle.USER_ALL); UserHandle.USER_ALL);
sendPolicyChangedToAdmins( sendPolicyChangedToAdminsLocked(
policyState, policyState,
enforcingAdmin, enforcingAdmin,
policyDefinition, policyDefinition,
@@ -552,7 +554,7 @@ final class DevicePolicyEngine {
policyDefinition, policyDefinition,
localPolicyState.getCurrentResolvedPolicy(), localPolicyState.getCurrentResolvedPolicy(),
userId); userId);
sendPolicyChangedToAdmins( sendPolicyChangedToAdminsLocked(
localPolicyState, localPolicyState,
enforcingAdmin, enforcingAdmin,
policyDefinition, policyDefinition,
@@ -745,34 +747,35 @@ final class DevicePolicyEngine {
} }
<V> void transferPolicies(EnforcingAdmin oldAdmin, EnforcingAdmin newAdmin) { <V> void transferPolicies(EnforcingAdmin oldAdmin, EnforcingAdmin newAdmin) {
Set<PolicyKey> globalPolicies = new HashSet<>(mGlobalPolicies.keySet()); synchronized (mLock) {
for (PolicyKey policy : globalPolicies) { Set<PolicyKey> globalPolicies = new HashSet<>(mGlobalPolicies.keySet());
PolicyState<?> policyState = mGlobalPolicies.get(policy); for (PolicyKey policy : globalPolicies) {
if (policyState.getPoliciesSetByAdmins().containsKey(oldAdmin)) { PolicyState<?> policyState = mGlobalPolicies.get(policy);
PolicyDefinition<V> policyDefinition =
(PolicyDefinition<V>) policyState.getPolicyDefinition();
PolicyValue<V> policyValue =
(PolicyValue<V>) policyState.getPoliciesSetByAdmins().get(oldAdmin);
setGlobalPolicy(policyDefinition, newAdmin, policyValue);
}
}
for (int i = 0; i < mLocalPolicies.size(); i++) {
int userId = mLocalPolicies.keyAt(i);
Set<PolicyKey> localPolicies = new HashSet<>(
mLocalPolicies.get(userId).keySet());
for (PolicyKey policy : localPolicies) {
PolicyState<?> policyState = mLocalPolicies.get(userId).get(policy);
if (policyState.getPoliciesSetByAdmins().containsKey(oldAdmin)) { if (policyState.getPoliciesSetByAdmins().containsKey(oldAdmin)) {
PolicyDefinition<V> policyDefinition = PolicyDefinition<V> policyDefinition =
(PolicyDefinition<V>) policyState.getPolicyDefinition(); (PolicyDefinition<V>) policyState.getPolicyDefinition();
PolicyValue<V> policyValue = PolicyValue<V> policyValue =
(PolicyValue<V>) policyState.getPoliciesSetByAdmins().get(oldAdmin); (PolicyValue<V>) policyState.getPoliciesSetByAdmins().get(oldAdmin);
setLocalPolicy(policyDefinition, newAdmin, policyValue, userId); setGlobalPolicy(policyDefinition, newAdmin, policyValue);
}
}
for (int i = 0; i < mLocalPolicies.size(); i++) {
int userId = mLocalPolicies.keyAt(i);
Set<PolicyKey> localPolicies = new HashSet<>(
mLocalPolicies.get(userId).keySet());
for (PolicyKey policy : localPolicies) {
PolicyState<?> policyState = mLocalPolicies.get(userId).get(policy);
if (policyState.getPoliciesSetByAdmins().containsKey(oldAdmin)) {
PolicyDefinition<V> policyDefinition =
(PolicyDefinition<V>) policyState.getPolicyDefinition();
PolicyValue<V> policyValue =
(PolicyValue<V>) policyState.getPoliciesSetByAdmins().get(oldAdmin);
setLocalPolicy(policyDefinition, newAdmin, policyValue, userId);
}
} }
} }
} }
removePoliciesForAdmin(oldAdmin); removePoliciesForAdmin(oldAdmin);
} }
@@ -836,7 +839,7 @@ final class DevicePolicyEngine {
mLocalPolicies.get(userId).put( mLocalPolicies.get(userId).put(
policyDefinition.getPolicyKey(), new PolicyState<>(policyDefinition)); policyDefinition.getPolicyKey(), new PolicyState<>(policyDefinition));
} }
return getPolicyState(mLocalPolicies.get(userId), policyDefinition); return getPolicyStateLocked(mLocalPolicies.get(userId), policyDefinition);
} }
private <V> void removeLocalPolicyStateLocked( private <V> void removeLocalPolicyStateLocked(
@@ -858,14 +861,14 @@ final class DevicePolicyEngine {
mGlobalPolicies.put( mGlobalPolicies.put(
policyDefinition.getPolicyKey(), new PolicyState<>(policyDefinition)); policyDefinition.getPolicyKey(), new PolicyState<>(policyDefinition));
} }
return getPolicyState(mGlobalPolicies, policyDefinition); return getPolicyStateLocked(mGlobalPolicies, policyDefinition);
} }
private <V> void removeGlobalPolicyStateLocked(PolicyDefinition<V> policyDefinition) { private <V> void removeGlobalPolicyStateLocked(PolicyDefinition<V> policyDefinition) {
mGlobalPolicies.remove(policyDefinition.getPolicyKey()); mGlobalPolicies.remove(policyDefinition.getPolicyKey());
} }
private static <V> PolicyState<V> getPolicyState( private static <V> PolicyState<V> getPolicyStateLocked(
Map<PolicyKey, PolicyState<?>> policies, PolicyDefinition<V> policyDefinition) { Map<PolicyKey, PolicyState<?>> policies, PolicyDefinition<V> policyDefinition) {
try { try {
// This will not throw an exception because policyDefinition is of type V, so unless // This will not throw an exception because policyDefinition is of type V, so unless
@@ -935,7 +938,7 @@ final class DevicePolicyEngine {
} }
// TODO(b/261430877): Finalise the decision on which admins to send the updates to. // TODO(b/261430877): Finalise the decision on which admins to send the updates to.
private <V> void sendPolicyChangedToAdmins( private <V> void sendPolicyChangedToAdminsLocked(
PolicyState<V> policyState, PolicyState<V> policyState,
EnforcingAdmin callingAdmin, EnforcingAdmin callingAdmin,
PolicyDefinition<V> policyDefinition, PolicyDefinition<V> policyDefinition,
@@ -1210,17 +1213,19 @@ final class DevicePolicyEngine {
if (parentInfo == null || parentInfo.getUserHandle().getIdentifier() == userId) { if (parentInfo == null || parentInfo.getUserHandle().getIdentifier() == userId) {
return; return;
} }
if (!mLocalPolicies.contains(parentInfo.getUserHandle().getIdentifier())) { synchronized (mLock) {
return; if (!mLocalPolicies.contains(parentInfo.getUserHandle().getIdentifier())) {
} return;
for (Map.Entry<PolicyKey, PolicyState<?>> entry : mLocalPolicies.get( }
parentInfo.getUserHandle().getIdentifier()).entrySet()) { for (Map.Entry<PolicyKey, PolicyState<?>> entry : mLocalPolicies.get(
enforcePolicyOnUser(userId, entry.getValue()); parentInfo.getUserHandle().getIdentifier()).entrySet()) {
enforcePolicyOnUserLocked(userId, entry.getValue());
}
} }
}); });
} }
private <V> void enforcePolicyOnUser(int userId, PolicyState<V> policyState) { private <V> void enforcePolicyOnUserLocked(int userId, PolicyState<V> policyState) {
if (!policyState.getPolicyDefinition().isInheritable()) { if (!policyState.getPolicyDefinition().isInheritable()) {
return; return;
} }
@@ -1239,26 +1244,28 @@ final class DevicePolicyEngine {
*/ */
@NonNull @NonNull
DevicePolicyState getDevicePolicyState() { DevicePolicyState getDevicePolicyState() {
Map<UserHandle, Map<PolicyKey, android.app.admin.PolicyState<?>>> policies = synchronized (mLock) {
new HashMap<>(); Map<UserHandle, Map<PolicyKey, android.app.admin.PolicyState<?>>> policies =
for (int i = 0; i < mLocalPolicies.size(); i++) { new HashMap<>();
UserHandle user = UserHandle.of(mLocalPolicies.keyAt(i)); for (int i = 0; i < mLocalPolicies.size(); i++) {
policies.put(user, new HashMap<>()); UserHandle user = UserHandle.of(mLocalPolicies.keyAt(i));
for (PolicyKey policyKey : mLocalPolicies.valueAt(i).keySet()) { policies.put(user, new HashMap<>());
policies.get(user).put( for (PolicyKey policyKey : mLocalPolicies.valueAt(i).keySet()) {
policyKey, policies.get(user).put(
mLocalPolicies.valueAt(i).get(policyKey).getParcelablePolicyState()); policyKey,
mLocalPolicies.valueAt(i).get(policyKey).getParcelablePolicyState());
}
} }
} if (!mGlobalPolicies.isEmpty()) {
if (!mGlobalPolicies.isEmpty()) { policies.put(UserHandle.ALL, new HashMap<>());
policies.put(UserHandle.ALL, new HashMap<>()); for (PolicyKey policyKey : mGlobalPolicies.keySet()) {
for (PolicyKey policyKey : mGlobalPolicies.keySet()) { policies.get(UserHandle.ALL).put(
policies.get(UserHandle.ALL).put( policyKey,
policyKey, mGlobalPolicies.get(policyKey).getParcelablePolicyState());
mGlobalPolicies.get(policyKey).getParcelablePolicyState()); }
} }
return new DevicePolicyState(policies);
} }
return new DevicePolicyState(policies);
} }
@@ -1266,23 +1273,25 @@ final class DevicePolicyEngine {
* Removes all local and global policies set by that admin. * Removes all local and global policies set by that admin.
*/ */
void removePoliciesForAdmin(EnforcingAdmin admin) { void removePoliciesForAdmin(EnforcingAdmin admin) {
Set<PolicyKey> globalPolicies = new HashSet<>(mGlobalPolicies.keySet()); synchronized (mLock) {
for (PolicyKey policy : globalPolicies) { Set<PolicyKey> globalPolicies = new HashSet<>(mGlobalPolicies.keySet());
PolicyState<?> policyState = mGlobalPolicies.get(policy); for (PolicyKey policy : globalPolicies) {
if (policyState.getPoliciesSetByAdmins().containsKey(admin)) { PolicyState<?> policyState = mGlobalPolicies.get(policy);
removeGlobalPolicy(policyState.getPolicyDefinition(), admin);
}
}
for (int i = 0; i < mLocalPolicies.size(); i++) {
Set<PolicyKey> localPolicies = new HashSet<>(
mLocalPolicies.get(mLocalPolicies.keyAt(i)).keySet());
for (PolicyKey policy : localPolicies) {
PolicyState<?> policyState = mLocalPolicies.get(
mLocalPolicies.keyAt(i)).get(policy);
if (policyState.getPoliciesSetByAdmins().containsKey(admin)) { if (policyState.getPoliciesSetByAdmins().containsKey(admin)) {
removeLocalPolicy( removeGlobalPolicy(policyState.getPolicyDefinition(), admin);
policyState.getPolicyDefinition(), admin, mLocalPolicies.keyAt(i)); }
}
for (int i = 0; i < mLocalPolicies.size(); i++) {
Set<PolicyKey> localPolicies = new HashSet<>(
mLocalPolicies.get(mLocalPolicies.keyAt(i)).keySet());
for (PolicyKey policy : localPolicies) {
PolicyState<?> policyState = mLocalPolicies.get(
mLocalPolicies.keyAt(i)).get(policy);
if (policyState.getPoliciesSetByAdmins().containsKey(admin)) {
removeLocalPolicy(
policyState.getPolicyDefinition(), admin, mLocalPolicies.keyAt(i));
}
} }
} }
} }
@@ -1292,23 +1301,25 @@ final class DevicePolicyEngine {
* Removes all local policies for the provided {@code userId}. * Removes all local policies for the provided {@code userId}.
*/ */
private void removeLocalPoliciesForUser(int userId) { private void removeLocalPoliciesForUser(int userId) {
if (!mLocalPolicies.contains(userId)) { synchronized (mLock) {
// No policies on user if (!mLocalPolicies.contains(userId)) {
return; // No policies on user
} return;
Set<PolicyKey> localPolicies = new HashSet<>(mLocalPolicies.get(userId).keySet());
for (PolicyKey policy : localPolicies) {
PolicyState<?> policyState = mLocalPolicies.get(userId).get(policy);
Set<EnforcingAdmin> admins = new HashSet<>(
policyState.getPoliciesSetByAdmins().keySet());
for (EnforcingAdmin admin : admins) {
removeLocalPolicy(
policyState.getPolicyDefinition(), admin, userId);
} }
}
mLocalPolicies.remove(userId); Set<PolicyKey> localPolicies = new HashSet<>(mLocalPolicies.get(userId).keySet());
for (PolicyKey policy : localPolicies) {
PolicyState<?> policyState = mLocalPolicies.get(userId).get(policy);
Set<EnforcingAdmin> admins = new HashSet<>(
policyState.getPoliciesSetByAdmins().keySet());
for (EnforcingAdmin admin : admins) {
removeLocalPolicy(
policyState.getPolicyDefinition(), admin, userId);
}
}
mLocalPolicies.remove(userId);
}
} }
/** /**
@@ -1376,7 +1387,7 @@ final class DevicePolicyEngine {
*/ */
private void updateDeviceAdminServiceOnPolicyRemoveLocked( private void updateDeviceAdminServiceOnPolicyRemoveLocked(
@NonNull EnforcingAdmin enforcingAdmin) { @NonNull EnforcingAdmin enforcingAdmin) {
if (doesAdminHavePolicies(enforcingAdmin)) { if (doesAdminHavePoliciesLocked(enforcingAdmin)) {
return; return;
} }
int userId = enforcingAdmin.getUserId(); int userId = enforcingAdmin.getUserId();
@@ -1399,7 +1410,7 @@ final class DevicePolicyEngine {
/* actionForLog= */ "policy-removed"); /* actionForLog= */ "policy-removed");
} }
private boolean doesAdminHavePolicies(@NonNull EnforcingAdmin enforcingAdmin) { private boolean doesAdminHavePoliciesLocked(@NonNull EnforcingAdmin enforcingAdmin) {
for (PolicyKey policy : mGlobalPolicies.keySet()) { for (PolicyKey policy : mGlobalPolicies.keySet()) {
PolicyState<?> policyState = mGlobalPolicies.get(policy); PolicyState<?> policyState = mGlobalPolicies.get(policy);
if (policyState.getPoliciesSetByAdmins().containsKey(enforcingAdmin)) { if (policyState.getPoliciesSetByAdmins().containsKey(enforcingAdmin)) {
@@ -1420,13 +1431,17 @@ final class DevicePolicyEngine {
@NonNull @NonNull
private Set<EnforcingAdmin> getEnforcingAdminsOnUser(int userId) { private Set<EnforcingAdmin> getEnforcingAdminsOnUser(int userId) {
return mEnforcingAdmins.contains(userId) synchronized (mLock) {
? mEnforcingAdmins.get(userId) : Collections.emptySet(); return mEnforcingAdmins.contains(userId)
? mEnforcingAdmins.get(userId) : Collections.emptySet();
}
} }
private void write() { private void write() {
Log.d(TAG, "Writing device policies to file."); synchronized (mLock) {
new DevicePoliciesReaderWriter().writeToFileLocked(); Log.d(TAG, "Writing device policies to file.");
new DevicePoliciesReaderWriter().writeToFileLocked();
}
} }
// TODO(b/256852787): trigger resolving logic after loading policies as roles are recalculated // TODO(b/256852787): trigger resolving logic after loading policies as roles are recalculated
@@ -1436,11 +1451,11 @@ final class DevicePolicyEngine {
synchronized (mLock) { synchronized (mLock) {
clear(); clear();
new DevicePoliciesReaderWriter().readFromFileLocked(); new DevicePoliciesReaderWriter().readFromFileLocked();
reapplyAllPolicies(); reapplyAllPoliciesLocked();
} }
} }
private <V> void reapplyAllPolicies() { private <V> void reapplyAllPoliciesLocked() {
for (PolicyKey policy : mGlobalPolicies.keySet()) { for (PolicyKey policy : mGlobalPolicies.keySet()) {
PolicyState<?> policyState = mGlobalPolicies.get(policy); PolicyState<?> policyState = mGlobalPolicies.get(policy);
// Policy definition and value will always be of the same type // Policy definition and value will always be of the same type
@@ -1470,10 +1485,8 @@ final class DevicePolicyEngine {
* <p>Note that this doesn't clear any enforcements, it only clears the data structures. * <p>Note that this doesn't clear any enforcements, it only clears the data structures.
*/ */
void clearAllPolicies() { void clearAllPolicies() {
synchronized (mLock) { clear();
clear(); write();
write();
}
} }
private void clear() { private void clear() {
synchronized (mLock) { synchronized (mLock) {

3
services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
View File

@@ -2093,7 +2093,8 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
mUserData = new SparseArray<>(); mUserData = new SparseArray<>();
mOwners = makeOwners(injector, pathProvider); mOwners = makeOwners(injector, pathProvider);
mDevicePolicyEngine = new DevicePolicyEngine(mContext, mDeviceAdminServiceController); mDevicePolicyEngine = new DevicePolicyEngine(
mContext, mDeviceAdminServiceController, getLockObject());
if (!mHasFeature) { if (!mHasFeature) {
// Skip the rest of the initialization // Skip the rest of the initialization