LineageOS/android_packages_modules_Connectivity
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Introduce ensureListenableCapabilities

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Renamed from ensureValid, this is an easier to understand name.
It is also a lot clearer when requestable capabilities also
have to be listenable.

Also move the 2 functions together.

Test: FrameworksNetTests
Change-Id: I685f924a3720846d740837a4a0fee3d88a26725a
This commit is contained in:
Chalard Jean
2021-12-16 23:16:02 +09:00
parent ac9ace0bbe
commit dd4219978d
1 changed files with 12 additions and 13 deletions
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25
service/src/com/android/server/ConnectivityService.java
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@@ -6148,13 +6148,6 @@ public class ConnectivityService extends IConnectivityManager.Stub
}
}
private void ensureRequestableCapabilities(NetworkCapabilities networkCapabilities) {
final String badCapability = networkCapabilities.describeFirstNonRequestableCapability();
if (badCapability != null) {
throw new IllegalArgumentException("Cannot request network with " + badCapability);
}
}
// This checks that the passed capabilities either do not request a
// specific SSID/SignalStrength, or the calling app has permission to do so.
private void ensureSufficientPermissionsForRequest(NetworkCapabilities nc,
@@ -6212,7 +6205,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
nai.onSignalStrengthThresholdsUpdated(thresholdsArray);
}
private void ensureValidNetworkSpecifier(NetworkCapabilities nc) {
private static void ensureValidNetworkSpecifier(NetworkCapabilities nc) {
if (nc == null) {
return;
}
@@ -6225,7 +6218,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
}
}
private void ensureValid(NetworkCapabilities nc) {
private static void ensureListenableCapabilities(@NonNull final NetworkCapabilities nc) {
ensureValidNetworkSpecifier(nc);
if (nc.isPrivateDnsBroken()) {
throw new IllegalArgumentException("Can't request broken private DNS");
@@ -6235,6 +6228,14 @@ public class ConnectivityService extends IConnectivityManager.Stub
}
}
private void ensureRequestableCapabilities(@NonNull final NetworkCapabilities nc) {
ensureListenableCapabilities(nc);
final String badCapability = nc.describeFirstNonRequestableCapability();
if (badCapability != null) {
throw new IllegalArgumentException("Cannot request network with " + badCapability);
}
}
// TODO: Set the mini sdk to 31 and remove @TargetApi annotation when b/205923322 is addressed.
@TargetApi(Build.VERSION_CODES.S)
private boolean isTargetSdkAtleast(int version, int callingUid,
@@ -6327,7 +6328,6 @@ public class ConnectivityService extends IConnectivityManager.Stub
if (timeoutMs < 0) {
throw new IllegalArgumentException("Bad timeout specified");
}
ensureValid(networkCapabilities);
final NetworkRequest networkRequest = new NetworkRequest(networkCapabilities, legacyType,
nextNetworkRequestId(), reqType);
@@ -6469,7 +6469,6 @@ public class ConnectivityService extends IConnectivityManager.Stub
Binder.getCallingPid(), callingUid, callingPackageName);
restrictRequestUidsForCallerAndSetRequestorInfo(networkCapabilities,
callingUid, callingPackageName);
ensureValid(networkCapabilities);
NetworkRequest networkRequest = new NetworkRequest(networkCapabilities, TYPE_NONE,
nextNetworkRequestId(), NetworkRequest.Type.REQUEST);
@@ -6536,7 +6535,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
// There is no need to do this for requests because an app without CHANGE_NETWORK_STATE
// can't request networks.
restrictBackgroundRequestForCaller(nc);
ensureValid(nc);
ensureListenableCapabilities(nc);
NetworkRequest networkRequest = new NetworkRequest(nc, TYPE_NONE, nextNetworkRequestId(),
NetworkRequest.Type.LISTEN);
@@ -6558,7 +6557,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
if (!hasWifiNetworkListenPermission(networkCapabilities)) {
enforceAccessPermission();
}
ensureValid(networkCapabilities);
ensureListenableCapabilities(networkCapabilities);
ensureSufficientPermissionsForRequest(networkCapabilities,
Binder.getCallingPid(), callingUid, callingPackageName);
final NetworkCapabilities nc = new NetworkCapabilities(networkCapabilities);