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Code Issues Projects Releases Wiki Activity

Make it possible to start the headless app on MacOS.

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The app is still non-functional because we don't have a Tor plugin.
This commit is contained in:
akwizgran
2018-11-23 12:52:40 +00:00
parent c09abdb088
commit 61276c81d2
7 changed files with 72 additions and 68 deletions
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22
bramble-android/src/main/java/org/briarproject/bramble/system/AndroidSecureRandomProvider.java
View File

@@ -1,5 +1,6 @@
package org.briarproject.bramble.system;
import android.annotation.SuppressLint;
import android.app.Application;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
@@ -26,7 +27,7 @@ import static android.provider.Settings.Secure.ANDROID_ID;
@Immutable
@NotNullByDefault
class AndroidSecureRandomProvider extends LinuxSecureRandomProvider {
class AndroidSecureRandomProvider extends UnixSecureRandomProvider {
private static final int SEED_LENGTH = 32;
@@ -37,6 +38,7 @@ class AndroidSecureRandomProvider extends LinuxSecureRandomProvider {
appContext = app.getApplicationContext();
}
@SuppressLint("HardwareIds")
@Override
protected void writeToEntropyPool(DataOutputStream out) throws IOException {
super.writeToEntropyPool(out);
@@ -49,12 +51,14 @@ class AndroidSecureRandomProvider extends LinuxSecureRandomProvider {
String id = Settings.Secure.getString(contentResolver, ANDROID_ID);
if (id != null) out.writeUTF(id);
Parcel parcel = Parcel.obtain();
WifiManager wm =
(WifiManager) appContext.getSystemService(WIFI_SERVICE);
List<WifiConfiguration> configs = wm.getConfiguredNetworks();
if (configs != null) {
for (WifiConfiguration config : configs)
parcel.writeParcelable(config, 0);
WifiManager wm = (WifiManager) appContext.getApplicationContext()
.getSystemService(WIFI_SERVICE);
if (wm != null) {
List<WifiConfiguration> configs = wm.getConfiguredNetworks();
if (configs != null) {
for (WifiConfiguration config : configs)
parcel.writeParcelable(config, 0);
}
}
BluetoothAdapter bt = BluetoothAdapter.getDefaultAdapter();
if (bt != null) {
@@ -77,13 +81,13 @@ class AndroidSecureRandomProvider extends LinuxSecureRandomProvider {
// Based on https://android-developers.googleblog.com/2013/08/some-securerandom-thoughts.html
private void applyOpenSslFix() {
byte[] seed = new LinuxSecureRandomSpi().engineGenerateSeed(
byte[] seed = new UnixSecureRandomSpi().engineGenerateSeed(
SEED_LENGTH);
try {
// Seed the OpenSSL PRNG
Class.forName("org.apache.harmony.xnet.provider.jsse.NativeCrypto")
.getMethod("RAND_seed", byte[].class)
.invoke(null, seed);
.invoke(null, (Object) seed);
// Mix the output of the Linux PRNG into the OpenSSL PRNG
int bytesRead = (Integer) Class.forName(
"org.apache.harmony.xnet.provider.jsse.NativeCrypto")

19
bramble-core/src/main/java/org/briarproject/bramble/system/LinuxSecureRandomProvider.java → bramble-core/src/main/java/org/briarproject/bramble/system/UnixSecureRandomProvider.java
View File

@@ -13,32 +13,33 @@ import java.util.logging.Logger;
import javax.annotation.concurrent.Immutable;
import static java.util.logging.Level.WARNING;
import static java.util.logging.Logger.getLogger;
import static org.briarproject.bramble.util.LogUtils.logException;
@Immutable
@NotNullByDefault
class LinuxSecureRandomProvider extends AbstractSecureRandomProvider {
class UnixSecureRandomProvider extends AbstractSecureRandomProvider {
private static final Logger LOG =
Logger.getLogger(LinuxSecureRandomProvider.class.getName());
getLogger(UnixSecureRandomProvider.class.getName());
private static final File RANDOM_DEVICE = new File("/dev/urandom");
private final AtomicBoolean seeded = new AtomicBoolean(false);
private final File outputDevice;
LinuxSecureRandomProvider() {
UnixSecureRandomProvider() {
this(RANDOM_DEVICE);
}
LinuxSecureRandomProvider(File outputDevice) {
UnixSecureRandomProvider(File outputDevice) {
this.outputDevice = outputDevice;
}
@Override
public Provider getProvider() {
if (!seeded.getAndSet(true)) writeSeed();
return new LinuxProvider();
return new UnixProvider();
}
protected void writeSeed() {
@@ -55,15 +56,15 @@ class LinuxSecureRandomProvider extends AbstractSecureRandomProvider {
}
// Based on https://android-developers.googleblog.com/2013/08/some-securerandom-thoughts.html
private static class LinuxProvider extends Provider {
private static class UnixProvider extends Provider {
private LinuxProvider() {
super("LinuxPRNG", 1.1, "A Linux-specific PRNG using /dev/urandom");
private UnixProvider() {
super("UnixPRNG", 1.0, "A Unix-specific PRNG using /dev/urandom");
// Although /dev/urandom is not a SHA-1 PRNG, some callers
// explicitly request a SHA1PRNG SecureRandom and we need to
// prevent them from getting the default implementation whose
// output may have low entropy.
put("SecureRandom.SHA1PRNG", LinuxSecureRandomSpi.class.getName());
put("SecureRandom.SHA1PRNG", UnixSecureRandomSpi.class.getName());
put("SecureRandom.SHA1PRNG ImplementedIn", "Software");
}
}

10
bramble-core/src/main/java/org/briarproject/bramble/system/LinuxSecureRandomSpi.java → bramble-core/src/main/java/org/briarproject/bramble/system/UnixSecureRandomSpi.java
View File

@@ -10,22 +10,24 @@ import java.security.SecureRandomSpi;
import java.util.logging.Logger;
import static java.util.logging.Level.WARNING;
import static java.util.logging.Logger.getLogger;
import static org.briarproject.bramble.util.LogUtils.logException;
public class LinuxSecureRandomSpi extends SecureRandomSpi {
public class UnixSecureRandomSpi extends SecureRandomSpi {
private static final Logger LOG =
Logger.getLogger(LinuxSecureRandomSpi.class.getName());
getLogger(UnixSecureRandomSpi.class.getName());
private static final File RANDOM_DEVICE = new File("/dev/urandom");
private final File inputDevice, outputDevice;
public LinuxSecureRandomSpi() {
@SuppressWarnings("WeakerAccess")
public UnixSecureRandomSpi() {
this(RANDOM_DEVICE, RANDOM_DEVICE);
}
LinuxSecureRandomSpi(File inputDevice, File outputDevice) {
UnixSecureRandomSpi(File inputDevice, File outputDevice) {
this.inputDevice = inputDevice;
this.outputDevice = outputDevice;
}

25
bramble-core/src/test/java/org/briarproject/bramble/system/LinuxSecureRandomProviderTest.java → bramble-core/src/test/java/org/briarproject/bramble/system/UnixSecureRandomProviderTest.java
View File

@@ -1,7 +1,6 @@
package org.briarproject.bramble.system;
import org.briarproject.bramble.test.BrambleTestCase;
import org.briarproject.bramble.test.TestUtils;
import org.briarproject.bramble.util.OsUtils;
import org.junit.After;
import org.junit.Before;
@@ -10,48 +9,48 @@ import org.junit.Test;
import java.io.File;
import java.security.Provider;
import static org.briarproject.bramble.test.TestUtils.deleteTestDirectory;
import static org.briarproject.bramble.test.TestUtils.getTestDirectory;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assume.assumeTrue;
public class LinuxSecureRandomProviderTest extends BrambleTestCase {
public class UnixSecureRandomProviderTest extends BrambleTestCase {
private final File testDir = TestUtils.getTestDirectory();
private final File testDir = getTestDirectory();
@Before
public void setUp() {
testDir.mkdirs();
assumeTrue(OsUtils.isLinux() || OsUtils.isMac());
assertTrue(testDir.mkdirs());
}
@Test
public void testGetProviderWritesToRandomDeviceOnFirstCall()
throws Exception {
if (!(OsUtils.isLinux())) {
System.err.println("WARNING: Skipping test, can't run on this OS");
return;
}
// Redirect the provider's output to a file
File urandom = new File(testDir, "urandom");
urandom.delete();
if (urandom.exists()) assertTrue(urandom.delete());
assertTrue(urandom.createNewFile());
assertEquals(0, urandom.length());
LinuxSecureRandomProvider p = new LinuxSecureRandomProvider(urandom);
UnixSecureRandomProvider p = new UnixSecureRandomProvider(urandom);
// Getting a provider should write entropy to the file
Provider provider = p.getProvider();
assertNotNull(provider);
assertEquals("LinuxPRNG", provider.getName());
assertEquals("UnixPRNG", provider.getName());
// There should be at least 16 bytes from the clock, 8 from the runtime
long length = urandom.length();
assertTrue(length >= 24);
// Getting another provider should not write to the file again
provider = p.getProvider();
assertNotNull(provider);
assertEquals("LinuxPRNG", provider.getName());
assertEquals("UnixPRNG", provider.getName());
assertEquals(length, urandom.length());
}
@After
public void tearDown() {
TestUtils.deleteTestDirectory(testDir);
deleteTestDirectory(testDir);
}
}

42
bramble-core/src/test/java/org/briarproject/bramble/system/LinuxSecureRandomSpiTest.java → bramble-core/src/test/java/org/briarproject/bramble/system/UnixSecureRandomSpiTest.java
View File

@@ -15,31 +15,31 @@ import java.io.FileOutputStream;
import java.util.HashSet;
import java.util.Set;
import static org.briarproject.bramble.test.TestUtils.deleteTestDirectory;
import static org.briarproject.bramble.test.TestUtils.getTestDirectory;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assume.assumeTrue;
public class LinuxSecureRandomSpiTest extends BrambleTestCase {
public class UnixSecureRandomSpiTest extends BrambleTestCase {
private static final File RANDOM_DEVICE = new File("/dev/urandom");
private static final int SEED_BYTES = 32;
private final File testDir = TestUtils.getTestDirectory();
private final File testDir = getTestDirectory();
@Before
public void setUp() {
testDir.mkdirs();
assumeTrue(OsUtils.isLinux() || OsUtils.isMac());
assertTrue(testDir.mkdirs());
}
@Test
public void testSeedsAreDistinct() {
if (!(OsUtils.isLinux())) {
System.err.println("WARNING: Skipping test, can't run on this OS");
return;
}
Set<Bytes> seeds = new HashSet<>();
LinuxSecureRandomSpi engine = new LinuxSecureRandomSpi();
UnixSecureRandomSpi engine = new UnixSecureRandomSpi();
for (int i = 0; i < 1000; i++) {
byte[] seed = engine.engineGenerateSeed(SEED_BYTES);
assertEquals(SEED_BYTES, seed.length);
@@ -49,19 +49,15 @@ public class LinuxSecureRandomSpiTest extends BrambleTestCase {
@Test
public void testEngineSetSeedWritesToRandomDevice() throws Exception {
if (!(OsUtils.isLinux())) {
System.err.println("WARNING: Skipping test, can't run on this OS");
return;
}
// Redirect the engine's output to a file
File urandom = new File(testDir, "urandom");
urandom.delete();
if (urandom.exists()) assertTrue(urandom.delete());
assertTrue(urandom.createNewFile());
assertEquals(0, urandom.length());
// Generate a seed
byte[] seed = TestUtils.getRandomBytes(SEED_BYTES);
// Check that the engine writes the seed to the file
LinuxSecureRandomSpi engine = new LinuxSecureRandomSpi(RANDOM_DEVICE,
UnixSecureRandomSpi engine = new UnixSecureRandomSpi(RANDOM_DEVICE,
urandom);
engine.engineSetSeed(seed);
assertEquals(SEED_BYTES, urandom.length());
@@ -74,15 +70,11 @@ public class LinuxSecureRandomSpiTest extends BrambleTestCase {
@Test
public void testEngineNextBytesReadsFromRandomDevice() throws Exception {
if (!(OsUtils.isLinux())) {
System.err.println("WARNING: Skipping test, can't run on this OS");
return;
}
// Generate some entropy
byte[] entropy = TestUtils.getRandomBytes(SEED_BYTES);
// Write the entropy to a file
File urandom = new File(testDir, "urandom");
urandom.delete();
if (urandom.exists()) assertTrue(urandom.delete());
FileOutputStream out = new FileOutputStream(urandom);
out.write(entropy);
out.flush();
@@ -90,7 +82,7 @@ public class LinuxSecureRandomSpiTest extends BrambleTestCase {
assertTrue(urandom.exists());
assertEquals(SEED_BYTES, urandom.length());
// Check that the engine reads from the file
LinuxSecureRandomSpi engine = new LinuxSecureRandomSpi(urandom,
UnixSecureRandomSpi engine = new UnixSecureRandomSpi(urandom,
RANDOM_DEVICE);
byte[] b = new byte[SEED_BYTES];
engine.engineNextBytes(b);
@@ -99,15 +91,11 @@ public class LinuxSecureRandomSpiTest extends BrambleTestCase {
@Test
public void testEngineGenerateSeedReadsFromRandomDevice() throws Exception {
if (!(OsUtils.isLinux())) {
System.err.println("WARNING: Skipping test, can't run on this OS");
return;
}
// Generate some entropy
byte[] entropy = TestUtils.getRandomBytes(SEED_BYTES);
// Write the entropy to a file
File urandom = new File(testDir, "urandom");
urandom.delete();
if (urandom.exists()) assertTrue(urandom.delete());
FileOutputStream out = new FileOutputStream(urandom);
out.write(entropy);
out.flush();
@@ -115,7 +103,7 @@ public class LinuxSecureRandomSpiTest extends BrambleTestCase {
assertTrue(urandom.exists());
assertEquals(SEED_BYTES, urandom.length());
// Check that the engine reads from the file
LinuxSecureRandomSpi engine = new LinuxSecureRandomSpi(urandom,
UnixSecureRandomSpi engine = new UnixSecureRandomSpi(urandom,
RANDOM_DEVICE);
byte[] b = engine.engineGenerateSeed(SEED_BYTES);
assertArrayEquals(entropy, b);
@@ -123,6 +111,6 @@ public class LinuxSecureRandomSpiTest extends BrambleTestCase {
@After
public void tearDown() {
TestUtils.deleteTestDirectory(testDir);
deleteTestDirectory(testDir);
}
}

5
bramble-java/src/main/java/org/briarproject/bramble/system/DesktopSecureRandomModule.java
View File

@@ -14,6 +14,9 @@ public class DesktopSecureRandomModule {
@Provides
@Singleton
SecureRandomProvider provideSecureRandomProvider() {
return OsUtils.isLinux() ? new LinuxSecureRandomProvider() : null;
if (OsUtils.isLinux() || OsUtils.isMac())
return new UnixSecureRandomProvider();
// TODO: Create a secure random provider for Windows
throw new UnsupportedOperationException();
}
}

17
briar-headless/src/main/java/org/briarproject/briar/headless/HeadlessModule.kt
View File

@@ -26,6 +26,7 @@ import org.briarproject.bramble.plugin.tor.CircumventionModule
import org.briarproject.bramble.plugin.tor.CircumventionProvider
import org.briarproject.bramble.plugin.tor.LinuxTorPluginFactory
import org.briarproject.bramble.system.JavaSystemModule
import org.briarproject.bramble.util.OsUtils
import org.briarproject.bramble.util.StringUtils.fromHexString
import org.briarproject.briar.headless.blogs.HeadlessBlogModule
import org.briarproject.briar.headless.contact.HeadlessContactModule
@@ -70,11 +71,17 @@ internal class HeadlessModule(private val appDir: File) {
circumventionProvider: CircumventionProvider, batteryManager: BatteryManager, clock: Clock
): PluginConfig {
val torDirectory = File(appDir, "tor")
val tor = LinuxTorPluginFactory(
ioExecutor, networkManager, locationUtils, eventBus, torSocketFactory, backoffFactory,
resourceProvider, circumventionProvider, batteryManager, clock, torDirectory
)
val duplex = listOf<DuplexPluginFactory>(tor)
val duplex: List<DuplexPluginFactory>
if (OsUtils.isLinux()) {
val tor = LinuxTorPluginFactory(
ioExecutor, networkManager, locationUtils, eventBus,
torSocketFactory, backoffFactory, resourceProvider, circumventionProvider,
batteryManager, clock, torDirectory
)
duplex = listOf(tor)
} else {
duplex = emptyList()
}
return object : PluginConfig {
override fun getDuplexFactories(): Collection<DuplexPluginFactory> {
return duplex