Add option to skip and avoid captive portals.
Test: ConnectivityServiceTest updated with test cases.
Test: Manually tested against att-wifi in B42.
Bug: 30222699
Change-Id: Ibe63942da04748ab0406e24e0f44be31d47710a0
(cherry picked from commit be96da11ccb5dd500f920c3ba90d350857293b3d)
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 5f59e32..614a94f 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -2261,11 +2261,19 @@
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 @@
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:
diff --git a/services/core/java/com/android/server/connectivity/NetworkMonitor.java b/services/core/java/com/android/server/connectivity/NetworkMonitor.java
index 6eb89fa..c73d1dd 100644
--- a/services/core/java/com/android/server/connectivity/NetworkMonitor.java
+++ b/services/core/java/com/android/server/connectivity/NetworkMonitor.java
@@ -211,7 +211,9 @@
private final NetworkRequest mDefaultRequest;
private final IpConnectivityLog mMetricsLog;
- private boolean mIsCaptivePortalCheckEnabled;
+ @VisibleForTesting
+ protected boolean mIsCaptivePortalCheckEnabled;
+
private boolean mUseHttps;
// Set if the user explicitly selected "Do not use this network" in captive portal sign-in app.
@@ -265,7 +267,8 @@
setInitialState(mDefaultState);
mIsCaptivePortalCheckEnabled = Settings.Global.getInt(mContext.getContentResolver(),
- Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED, 1) == 1;
+ Settings.Global.CAPTIVE_PORTAL_MODE, Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT)
+ != Settings.Global.CAPTIVE_PORTAL_MODE_IGNORE;
mUseHttps = Settings.Global.getInt(mContext.getContentResolver(),
Settings.Global.CAPTIVE_PORTAL_USE_HTTPS, 1) == 1;
@@ -632,7 +635,10 @@
@VisibleForTesting
protected CaptivePortalProbeResult isCaptivePortal() {
- if (!mIsCaptivePortalCheckEnabled) return new CaptivePortalProbeResult(204);
+ if (!mIsCaptivePortalCheckEnabled) {
+ validationLog("Validation disabled.");
+ return new CaptivePortalProbeResult(204);
+ }
URL pacUrl = null, httpsUrl = null, httpUrl = null, fallbackUrl = null;
diff --git a/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java b/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
index 4af1cf1..65f9399 100644
--- a/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
@@ -236,6 +236,7 @@
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 @@
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 @@
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 @@
return new Network(mNetworkAgent.netId);
}
+ public ConditionVariable getPreventReconnectReceived() {
+ return mPreventReconnectReceived;
+ }
+
public ConditionVariable getDisconnectedCV() {
return mDisconnected;
}
@@ -597,6 +602,7 @@
@Override
protected CaptivePortalProbeResult isCaptivePortal() {
+ if (!mIsCaptivePortalCheckEnabled) { return new CaptivePortalProbeResult(204); }
return new CaptivePortalProbeResult(gen204ProbeResult, gen204ProbeRedirectUrl, null);
}
}
@@ -743,6 +749,9 @@
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 @@
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 @@
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);