Merge changes I638ed5cd,I29f15571,I21a22ed1
* changes:
Expose registerDefaultNetworkCallbackAsUid.
Support calling registerDefaultNetworkCallback for another UID.
Store the effective UID in NetworkRequestInfo.
diff --git a/framework/api/module-lib-current.txt b/framework/api/module-lib-current.txt
index aa7a0ac..f32f08d 100644
--- a/framework/api/module-lib-current.txt
+++ b/framework/api/module-lib-current.txt
@@ -11,6 +11,7 @@
method @Nullable public android.net.ProxyInfo getGlobalProxy();
method @NonNull public static android.util.Range<java.lang.Integer> getIpSecNetIdRange();
method @NonNull public static String getPrivateDnsMode(@NonNull android.content.Context);
+ method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void registerDefaultNetworkCallbackAsUid(int, @NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void registerSystemDefaultNetworkCallback(@NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void requestBackgroundNetwork(@NonNull android.net.NetworkRequest, @NonNull android.os.Handler, @NonNull android.net.ConnectivityManager.NetworkCallback);
method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAcceptPartialConnectivity(@NonNull android.net.Network, boolean, boolean);
diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index 30ccb20..b3e2286 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -3700,8 +3700,9 @@
private static final HashMap<NetworkRequest, NetworkCallback> sCallbacks = new HashMap<>();
private static CallbackHandler sCallbackHandler;
- private NetworkRequest sendRequestForNetwork(NetworkCapabilities need, NetworkCallback callback,
- int timeoutMs, NetworkRequest.Type reqType, int legacyType, CallbackHandler handler) {
+ private NetworkRequest sendRequestForNetwork(int asUid, NetworkCapabilities need,
+ NetworkCallback callback, int timeoutMs, NetworkRequest.Type reqType, int legacyType,
+ CallbackHandler handler) {
printStackTrace();
checkCallbackNotNull(callback);
if (reqType != TRACK_DEFAULT && reqType != TRACK_SYSTEM_DEFAULT && need == null) {
@@ -3726,8 +3727,8 @@
getAttributionTag());
} else {
request = mService.requestNetwork(
- need, reqType.ordinal(), messenger, timeoutMs, binder, legacyType,
- callbackFlags, callingPackageName, getAttributionTag());
+ asUid, need, reqType.ordinal(), messenger, timeoutMs, binder,
+ legacyType, callbackFlags, callingPackageName, getAttributionTag());
}
if (request != null) {
sCallbacks.put(request, callback);
@@ -3742,6 +3743,12 @@
return request;
}
+ private NetworkRequest sendRequestForNetwork(NetworkCapabilities need, NetworkCallback callback,
+ int timeoutMs, NetworkRequest.Type reqType, int legacyType, CallbackHandler handler) {
+ return sendRequestForNetwork(Process.INVALID_UID, need, callback, timeoutMs, reqType,
+ legacyType, handler);
+ }
+
/**
* Helper function to request a network with a particular legacy type.
*
@@ -4227,8 +4234,40 @@
@RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE)
public void registerDefaultNetworkCallback(@NonNull NetworkCallback networkCallback,
@NonNull Handler handler) {
+ registerDefaultNetworkCallbackAsUid(Process.INVALID_UID, networkCallback, handler);
+ }
+
+ /**
+ * Registers to receive notifications about changes in the default network for the specified
+ * UID. This may be a physical network or a virtual network, such as a VPN that applies to the
+ * UID. The callbacks will continue to be called until either the application exits or
+ * {@link #unregisterNetworkCallback(NetworkCallback)} is called.
+ *
+ * <p>To avoid performance issues due to apps leaking callbacks, the system will limit the
+ * number of outstanding requests to 100 per app (identified by their UID), shared with
+ * all variants of this method, of {@link #requestNetwork} as well as
+ * {@link ConnectivityDiagnosticsManager#registerConnectivityDiagnosticsCallback}.
+ * Requesting a network with this method will count toward this limit. If this limit is
+ * exceeded, an exception will be thrown. To avoid hitting this issue and to conserve resources,
+ * make sure to unregister the callbacks with
+ * {@link #unregisterNetworkCallback(NetworkCallback)}.
+ *
+ * @param uid the UID for which to track default network changes.
+ * @param networkCallback The {@link NetworkCallback} that the system will call as the
+ * UID's default network changes.
+ * @param handler {@link Handler} to specify the thread upon which the callback will be invoked.
+ * @throws RuntimeException if the app already has too many callbacks registered.
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ @SuppressLint({"ExecutorRegistration", "PairedRegistration"})
+ @RequiresPermission(anyOf = {
+ NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+ android.Manifest.permission.NETWORK_SETTINGS})
+ public void registerDefaultNetworkCallbackAsUid(int uid,
+ @NonNull NetworkCallback networkCallback, @NonNull Handler handler) {
CallbackHandler cbHandler = new CallbackHandler(handler);
- sendRequestForNetwork(null /* NetworkCapabilities need */, networkCallback, 0,
+ sendRequestForNetwork(uid, null /* need */, networkCallback, 0 /* timeoutMs */,
TRACK_DEFAULT, TYPE_NONE, cbHandler);
}
diff --git a/framework/src/android/net/IConnectivityManager.aidl b/framework/src/android/net/IConnectivityManager.aidl
index 3300fa8..0826922 100644
--- a/framework/src/android/net/IConnectivityManager.aidl
+++ b/framework/src/android/net/IConnectivityManager.aidl
@@ -142,7 +142,7 @@
in NetworkCapabilities nc, in NetworkScore score, in NetworkAgentConfig config,
in int factorySerialNumber);
- NetworkRequest requestNetwork(in NetworkCapabilities networkCapabilities, int reqType,
+ NetworkRequest requestNetwork(int uid, in NetworkCapabilities networkCapabilities, int reqType,
in Messenger messenger, int timeoutSec, in IBinder binder, int legacy,
int callbackFlags, String callingPackageName, String callingAttributionTag);