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WIP: Debug Tor crash when spamming the control port.

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This commit is contained in:
akwizgran
2019-03-29 15:28:25 +00:00
parent 419f37a4a9
commit 51f1cb5e9e
1 changed files with 44 additions and 0 deletions
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44
bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/TorPlugin.java
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@@ -38,6 +38,7 @@ import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
@@ -48,6 +49,7 @@ import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Random;
import java.util.Scanner;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicBoolean;
@@ -205,6 +207,8 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
} catch (SecurityException | IOException e) {
throw new PluginException(e);
}
// FIXME
LOG.info("Tor PID: " + getPid(torProcess));
// Log the process's standard output until it detaches
if (LOG.isLoggable(INFO)) {
Scanner stdout = new Scanner(torProcess.getInputStream());
@@ -249,6 +253,8 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
controlSocket = new Socket("127.0.0.1", CONTROL_PORT);
controlConnection = new TorControlConnection(controlSocket);
controlConnection.authenticate(read(cookieFile));
// FIXME Spam the control port with enable/disable network commands
spamControlPort();
// Tell Tor to exit when the control connection is closed
controlConnection.takeOwnership();
controlConnection.resetConf(Collections.singletonList(OWNER));
@@ -272,6 +278,44 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
bind();
}
// FIXME
private long getPid(Process p) {
long pid = -1;
try {
if (p.getClass().getName().equals("java.lang.UNIXProcess")) {
Field f = p.getClass().getDeclaredField("pid");
f.setAccessible(true);
pid = f.getLong(p);
f.setAccessible(false);
}
} catch (Exception e) {
logException(LOG, INFO, e);
}
return pid;
}
// FIXME
private void spamControlPort() {
ioExecutor.execute(() -> {
LOG.info("Spamming control port");
Random random = new Random();
try {
//noinspection InfiniteLoopStatement
while (true) {
boolean bridges = random.nextBoolean();
boolean meek = random.nextBoolean();
boolean network = random.nextBoolean();
LOG.info("Enable bridges " + bridges + ", meek " + meek
+ ", network " + network);
enableBridges(bridges, meek);
enableNetwork(network);
}
} catch (IOException e) {
logException(LOG, WARNING, e);
}
});
}
private boolean assetsAreUpToDate() {
return doneFile.lastModified() > getLastUpdateTime();
}