Clear caller identity in IPC methods
A utility method should not be responsible for clearing the
caller identity. Clearing caller identity should happen in
methods that process binder IPCs, not general utility methods.
Update it to clear in each method.
Bug: 279381469
Test: atest FrameworksNetTests
Change-Id: I95b520fb0d7851ec3e14fbd16044d5f877c74561
diff --git a/service/src/com/android/server/connectivity/AutomaticOnOffKeepaliveTracker.java b/service/src/com/android/server/connectivity/AutomaticOnOffKeepaliveTracker.java
index e2ef981..f8285ed 100644
--- a/service/src/com/android/server/connectivity/AutomaticOnOffKeepaliveTracker.java
+++ b/service/src/com/android/server/connectivity/AutomaticOnOffKeepaliveTracker.java
@@ -210,8 +210,12 @@
this.mKi = Objects.requireNonNull(ki);
mCallback = ki.mCallback;
mUnderpinnedNetwork = underpinnedNetwork;
- if (autoOnOff && mDependencies.isFeatureEnabled(AUTOMATIC_ON_OFF_KEEPALIVE_VERSION,
- true /* defaultEnabled */)) {
+ // Reading DeviceConfig will check if the calling uid and calling package name are the
+ // same. Clear calling identity to align the calling uid and package
+ final boolean enabled = BinderUtils.withCleanCallingIdentity(
+ () -> mDependencies.isFeatureEnabled(AUTOMATIC_ON_OFF_KEEPALIVE_VERSION,
+ true /* defaultEnabled */));
+ if (autoOnOff && enabled) {
mAutomaticOnOffState = STATE_ENABLED;
if (null == ki.mFd) {
throw new IllegalArgumentException("fd can't be null with automatic "
@@ -583,8 +587,12 @@
*/
public void dump(IndentingPrintWriter pw) {
mKeepaliveTracker.dump(pw);
- final boolean featureEnabled = mDependencies.isFeatureEnabled(
- AUTOMATIC_ON_OFF_KEEPALIVE_VERSION, true /* defaultEnabled */);
+ // Reading DeviceConfig will check if the calling uid and calling package name are the same.
+ // Clear calling identity to align the calling uid and package so that it won't fail if cts
+ // would like to call dump()
+ final boolean featureEnabled = BinderUtils.withCleanCallingIdentity(
+ () -> mDependencies.isFeatureEnabled(AUTOMATIC_ON_OFF_KEEPALIVE_VERSION,
+ true /* defaultEnabled */));
pw.println("AutomaticOnOff enabled: " + featureEnabled);
pw.increaseIndent();
for (AutomaticOnOffKeepalive autoKi : mAutomaticOnOffKeepalives) {
@@ -837,12 +845,8 @@
* @return whether the feature is enabled
*/
public boolean isFeatureEnabled(@NonNull final String name, final boolean defaultEnabled) {
- // Reading DeviceConfig will check if the calling uid and calling package name are the
- // same. Clear calling identity to align the calling uid and package so that it won't
- // fail if cts would like to do the dump()
- return BinderUtils.withCleanCallingIdentity(() ->
- DeviceConfigUtils.isFeatureEnabled(mContext, NAMESPACE_TETHERING, name,
- DeviceConfigUtils.TETHERING_MODULE_NAME, defaultEnabled));
+ return DeviceConfigUtils.isFeatureEnabled(mContext, NAMESPACE_TETHERING, name,
+ DeviceConfigUtils.TETHERING_MODULE_NAME, defaultEnabled);
}
/**