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Don't try to connect to unreachable IP addresses.

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This commit is contained in:
akwizgran
2014-04-04 23:49:53 +01:00
parent e3a8db6b7a
commit e74465dd41
4 changed files with 117 additions and 33 deletions
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43
briar-tests/src/org/briarproject/plugins/tcp/LanTcpPluginTest.java
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@@ -28,6 +28,49 @@ public class LanTcpPluginTest extends BriarTestCase {
private final ContactId contactId = new ContactId(234);
@Test
public void testAddressesAreOnSameLan() {
LanTcpPlugin plugin = new LanTcpPlugin(null, null, 0, 0, 0);
// Local and remote in 10.0.0.0/8 should return true
assertTrue(plugin.addressesAreOnSameLan(makeAddress(10, 0, 0, 0),
makeAddress(10, 255, 255, 255)));
// Local and remote in 172.16.0.0/12 should return true
assertTrue(plugin.addressesAreOnSameLan(makeAddress(172, 16, 0, 0),
makeAddress(172, 31, 255, 255)));
// Local and remote in 192.168.0.0/16 should return true
assertTrue(plugin.addressesAreOnSameLan(makeAddress(192, 168, 0, 0),
makeAddress(192, 168, 255, 255)));
// Local and remote in different recognised prefixes should return false
assertFalse(plugin.addressesAreOnSameLan(makeAddress(10, 0, 0, 0),
makeAddress(172, 31, 255, 255)));
assertFalse(plugin.addressesAreOnSameLan(makeAddress(10, 0, 0, 0),
makeAddress(192, 168, 255, 255)));
assertFalse(plugin.addressesAreOnSameLan(makeAddress(172, 16, 0, 0),
makeAddress(10, 255, 255, 255)));
assertFalse(plugin.addressesAreOnSameLan(makeAddress(172, 16, 0, 0),
makeAddress(192, 168, 255, 255)));
assertFalse(plugin.addressesAreOnSameLan(makeAddress(192, 168, 0, 0),
makeAddress(10, 255, 255, 255)));
assertFalse(plugin.addressesAreOnSameLan(makeAddress(192, 168, 0, 0),
makeAddress(172, 31, 255, 255)));
// Remote prefix unrecognised should return false
assertFalse(plugin.addressesAreOnSameLan(makeAddress(10, 0, 0, 0),
makeAddress(1, 2, 3, 4)));
assertFalse(plugin.addressesAreOnSameLan(makeAddress(172, 16, 0, 0),
makeAddress(1, 2, 3, 4)));
assertFalse(plugin.addressesAreOnSameLan(makeAddress(192, 168, 0, 0),
makeAddress(1, 2, 3, 4)));
// Both prefixes unrecognised should return true (could be link-local)
assertTrue(plugin.addressesAreOnSameLan(makeAddress(1, 2, 3, 4),
makeAddress(5, 6, 7, 8)));
}
private byte[] makeAddress(int... parts) {
byte[] b = new byte[parts.length];
for(int i = 0; i < parts.length; i++) b[i] = (byte) parts[i];
return b;
}
@Test
public void testIncomingConnection() throws Exception {
Callback callback = new Callback();