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Code Issues Projects Releases Wiki Activity

Check whether system clock is reasonable at startup.

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This commit is contained in:
akwizgran
2021-06-23 16:32:32 +01:00
committed by Torsten Grote
parent 80749fec09
commit 802f64e309
5 changed files with 75 additions and 10 deletions
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14
bramble-core/src/main/java/org/briarproject/bramble/lifecycle/LifecycleManagerImpl.java
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@@ -12,6 +12,7 @@ import org.briarproject.bramble.api.lifecycle.Service;
import org.briarproject.bramble.api.lifecycle.ServiceException;
import org.briarproject.bramble.api.lifecycle.event.LifecycleEvent;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.system.Clock;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
@@ -34,6 +35,7 @@ import static org.briarproject.bramble.api.lifecycle.LifecycleManager.LifecycleS
import static org.briarproject.bramble.api.lifecycle.LifecycleManager.LifecycleState.STARTING_SERVICES;
import static org.briarproject.bramble.api.lifecycle.LifecycleManager.LifecycleState.STOPPING;
import static org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult.ALREADY_RUNNING;
import static org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult.CLOCK_ERROR;
import static org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult.DATA_TOO_NEW_ERROR;
import static org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult.DATA_TOO_OLD_ERROR;
import static org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult.DB_ERROR;
@@ -52,6 +54,7 @@ class LifecycleManagerImpl implements LifecycleManager, MigrationListener {
private final DatabaseComponent db;
private final EventBus eventBus;
private final Clock clock;
private final List<Service> services;
private final List<OpenDatabaseHook> openDatabaseHooks;
private final List<ExecutorService> executors;
@@ -63,9 +66,11 @@ class LifecycleManagerImpl implements LifecycleManager, MigrationListener {
private volatile LifecycleState state = STARTING;
@Inject
LifecycleManagerImpl(DatabaseComponent db, EventBus eventBus) {
LifecycleManagerImpl(DatabaseComponent db, EventBus eventBus,
Clock clock) {
this.db = db;
this.eventBus = eventBus;
this.clock = clock;
services = new CopyOnWriteArrayList<>();
openDatabaseHooks = new CopyOnWriteArrayList<>();
executors = new CopyOnWriteArrayList<>();
@@ -99,6 +104,13 @@ class LifecycleManagerImpl implements LifecycleManager, MigrationListener {
LOG.info("Already starting or stopping");
return ALREADY_RUNNING;
}
long now = clock.currentTimeMillis();
if (now < MIN_REASONABLE_TIME_MS || now > MAX_REASONABLE_TIME_MS) {
if (LOG.isLoggable(WARNING)) {
LOG.warning("System clock is unreasonable: " + now);
}
return CLOCK_ERROR;
}
try {
LOG.info("Opening database");
long start = now();