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Add option to skip and avoid captive portals.

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Test: ConnectivityServiceTest updated with test cases.
Test: Manually tested against att-wifi in B42.
Bug: 30222699
Change-Id: Ibe63942da04748ab0406e24e0f44be31d47710a0
(cherry picked from commit be96da11ccb5dd500f920c3ba90d350857293b3d)
This commit is contained in:
Calvin On
2016-10-11 15:10:46 -07:00
parent 23d83b031f
commit 5139717c74
2 changed files with 75 additions and 6 deletions
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16
services/core/java/com/android/server/ConnectivityService.java
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@@ -2261,11 +2261,19 @@ public class ConnectivityService extends IConnectivityManager.Stub
synchronized (mNetworkForNetId) {
nai = mNetworkForNetId.get(netId);
}
// If captive portal status has changed, update capabilities.
// If captive portal status has changed, update capabilities or disconnect.
if (nai != null && (visible != nai.lastCaptivePortalDetected)) {
final int oldScore = nai.getCurrentScore();
nai.lastCaptivePortalDetected = visible;
nai.everCaptivePortalDetected |= visible;
if (nai.lastCaptivePortalDetected &&
Settings.Global.CAPTIVE_PORTAL_MODE_AVOID == getCaptivePortalMode()) {
if (DBG) log("Avoiding captive portal network: " + nai.name());
nai.asyncChannel.sendMessage(
NetworkAgent.CMD_PREVENT_AUTOMATIC_RECONNECT);
teardownUnneededNetwork(nai);
break;
}
updateCapabilities(oldScore, nai, nai.networkCapabilities);
}
if (!visible) {
@@ -2286,6 +2294,12 @@ public class ConnectivityService extends IConnectivityManager.Stub
return true;
}
private int getCaptivePortalMode() {
return Settings.Global.getInt(mContext.getContentResolver(),
Settings.Global.CAPTIVE_PORTAL_MODE,
Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
}
private boolean maybeHandleNetworkAgentInfoMessage(Message msg) {
switch (msg.what) {
default:

65
services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
View File

@@ -236,6 +236,7 @@ public class ConnectivityServiceTest extends AndroidTestCase {
private final IdleableHandlerThread mHandlerThread;
private final ConditionVariable mDisconnected = new ConditionVariable();
private final ConditionVariable mNetworkStatusReceived = new ConditionVariable();
private final ConditionVariable mPreventReconnectReceived = new ConditionVariable();
private int mScore;
private NetworkAgent mNetworkAgent;
private int mStartKeepaliveError = PacketKeepalive.ERROR_HARDWARE_UNSUPPORTED;
@@ -291,6 +292,11 @@ public class ConnectivityServiceTest extends AndroidTestCase {
mRedirectUrl = redirectUrl;
mNetworkStatusReceived.open();
}
@Override
protected void preventAutomaticReconnect() {
mPreventReconnectReceived.open();
}
};
// Waits for the NetworkAgent to be registered, which includes the creation of the
// NetworkMonitor.
@@ -375,11 +381,6 @@ public class ConnectivityServiceTest extends AndroidTestCase {
mWrappedNetworkMonitor.gen204ProbeResult = 200;
mWrappedNetworkMonitor.gen204ProbeRedirectUrl = redirectUrl;
connect(false);
waitFor(new Criteria() { public boolean get() {
NetworkCapabilities caps = mCm.getNetworkCapabilities(getNetwork());
return caps != null && caps.hasCapability(NET_CAPABILITY_CAPTIVE_PORTAL);} });
mWrappedNetworkMonitor.gen204ProbeResult = 500;
mWrappedNetworkMonitor.gen204ProbeRedirectUrl = null;
}
public void disconnect() {
@@ -391,6 +392,10 @@ public class ConnectivityServiceTest extends AndroidTestCase {
return new Network(mNetworkAgent.netId);
}
public ConditionVariable getPreventReconnectReceived() {
return mPreventReconnectReceived;
}
public ConditionVariable getDisconnectedCV() {
return mDisconnected;
}
@@ -597,6 +602,7 @@ public class ConnectivityServiceTest extends AndroidTestCase {
@Override
protected CaptivePortalProbeResult isCaptivePortal() {
if (!mIsCaptivePortalCheckEnabled) { return new CaptivePortalProbeResult(204); }
return new CaptivePortalProbeResult(gen204ProbeResult, gen204ProbeRedirectUrl, null);
}
}
@@ -743,6 +749,9 @@ public class ConnectivityServiceTest extends AndroidTestCase {
mService.systemReady();
mCm = new WrappedConnectivityManager(getContext(), mService);
mCm.bindProcessToNetwork(null);
// Ensure that the default setting for Captive Portals is used for most tests
setCaptivePortalMode(Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
}
public void tearDown() throws Exception {
@@ -1704,6 +1713,47 @@ public class ConnectivityServiceTest extends AndroidTestCase {
validatedCallback.expectCallback(CallbackState.LOST, mWiFiNetworkAgent);
}
@LargeTest
public void testAvoidOrIgnoreCaptivePortals() {
final TestNetworkCallback captivePortalCallback = new TestNetworkCallback();
final NetworkRequest captivePortalRequest = new NetworkRequest.Builder()
.addCapability(NET_CAPABILITY_CAPTIVE_PORTAL).build();
mCm.registerNetworkCallback(captivePortalRequest, captivePortalCallback);
final TestNetworkCallback validatedCallback = new TestNetworkCallback();
final NetworkRequest validatedRequest = new NetworkRequest.Builder()
.addCapability(NET_CAPABILITY_VALIDATED).build();
mCm.registerNetworkCallback(validatedRequest, validatedCallback);
setCaptivePortalMode(Settings.Global.CAPTIVE_PORTAL_MODE_AVOID);
// Bring up a network with a captive portal.
// Expect it to fail to connect and not result in any callbacks.
mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
String firstRedirectUrl = "http://example.com/firstPath";
ConditionVariable disconnectCv = mWiFiNetworkAgent.getDisconnectedCV();
ConditionVariable avoidCv = mWiFiNetworkAgent.getPreventReconnectReceived();
mWiFiNetworkAgent.connectWithCaptivePortal(firstRedirectUrl);
waitFor(disconnectCv);
waitFor(avoidCv);
assertNoCallbacks(captivePortalCallback, validatedCallback);
// Now test ignore mode.
setCaptivePortalMode(Settings.Global.CAPTIVE_PORTAL_MODE_IGNORE);
// Bring up a network with a captive portal.
// Since we're ignoring captive portals, the network will validate.
mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
String secondRedirectUrl = "http://example.com/secondPath";
mWiFiNetworkAgent.connectWithCaptivePortal(secondRedirectUrl);
// Expect NET_CAPABILITY_VALIDATED onAvailable callback.
validatedCallback.expectCallback(CallbackState.AVAILABLE, mWiFiNetworkAgent);
// But there should be no CaptivePortal callback.
captivePortalCallback.assertNoCallback();
}
@SmallTest
public void testInvalidNetworkSpecifier() {
boolean execptionCalled = true;
@@ -1844,6 +1894,11 @@ public class ConnectivityServiceTest extends AndroidTestCase {
mCm.unregisterNetworkCallback(cellNetworkCallback);
}
private void setCaptivePortalMode(int mode) {
ContentResolver cr = mServiceContext.getContentResolver();
Settings.Global.putInt(cr, Settings.Global.CAPTIVE_PORTAL_MODE, mode);
}
private void setMobileDataAlwaysOn(boolean enable) {
ContentResolver cr = mServiceContext.getContentResolver();
Settings.Global.putInt(cr, Settings.Global.MOBILE_DATA_ALWAYS_ON, enable ? 1 : 0);