servicemanager: expose updatable-via-apex
Service manager is already reading VINTF, so processes that need this
information can access this information w/o needing more permissions.
Bug: 185832616
Test: two added tests + manually specifying updatable-via-apex on a
service and checking the result
Change-Id: Id86a72d49466048a3e2173e40526981abb6f3123
diff --git a/libs/binder/ndk/include_platform/android/binder_manager.h b/libs/binder/ndk/include_platform/android/binder_manager.h
index 5516914..a90b4aa 100644
--- a/libs/binder/ndk/include_platform/android/binder_manager.h
+++ b/libs/binder/ndk/include_platform/android/binder_manager.h
@@ -124,6 +124,15 @@
__INTRODUCED_IN(31);
/**
+ * Check if a service is updatable via an APEX module.
+ *
+ * \param instance identifier of the service
+ *
+ * \return whether the interface is updatable via APEX
+ */
+bool AServiceManager_isUpdatableViaApex(const char* instance) __INTRODUCED_IN(31);
+
+/**
* Prevent lazy services without client from shutting down their process
*
* \param persist 'true' if the process should not exit.
diff --git a/libs/binder/ndk/libbinder_ndk.map.txt b/libs/binder/ndk/libbinder_ndk.map.txt
index 67c85b6..7d4b82e 100644
--- a/libs/binder/ndk/libbinder_ndk.map.txt
+++ b/libs/binder/ndk/libbinder_ndk.map.txt
@@ -118,14 +118,15 @@
AIBinder_getCallingSid; # apex
AIBinder_setRequestingSid; # apex
AParcel_markSensitive; # llndk
- AServiceManager_isDeclared; # apex llndk
AServiceManager_forEachDeclaredInstance; # apex llndk
- AServiceManager_registerLazyService; # llndk
- AServiceManager_waitForService; # apex llndk
AServiceManager_forceLazyServicesPersist; # llndk
+ AServiceManager_isDeclared; # apex llndk
+ AServiceManager_isUpdatableViaApex; # apex
+ AServiceManager_reRegister; # llndk
+ AServiceManager_registerLazyService; # llndk
AServiceManager_setActiveServicesCallback; # llndk
AServiceManager_tryUnregister; # llndk
- AServiceManager_reRegister; # llndk
+ AServiceManager_waitForService; # apex llndk
AIBinder_forceDowngradeToSystemStability; # apex
AIBinder_forceDowngradeToVendorStability; # llndk
diff --git a/libs/binder/ndk/service_manager.cpp b/libs/binder/ndk/service_manager.cpp
index 1ccd0d2..7649a26 100644
--- a/libs/binder/ndk/service_manager.cpp
+++ b/libs/binder/ndk/service_manager.cpp
@@ -105,6 +105,14 @@
callback(String8(instance).c_str(), context);
}
}
+bool AServiceManager_isUpdatableViaApex(const char* instance) {
+ if (instance == nullptr) {
+ return false;
+ }
+
+ sp<IServiceManager> sm = defaultServiceManager();
+ return sm->updatableViaApex(String16(instance)) != std::nullopt;
+}
void AServiceManager_forceLazyServicesPersist(bool persist) {
auto serviceRegistrar = android::binder::LazyServiceRegistrar::getInstance();
serviceRegistrar.forcePersist(persist);
diff --git a/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp b/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
index 496a915..1c43948 100644
--- a/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
+++ b/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
@@ -280,6 +280,11 @@
EXPECT_EQ(STATUS_OK, AIBinder_ping(binder.get()));
}
+TEST(NdkBinder, IsUpdatable) {
+ bool isUpdatable = AServiceManager_isUpdatableViaApex("android.hardware.light.ILights/default");
+ EXPECT_EQ(isUpdatable, false);
+}
+
// This is too slow
TEST(NdkBinder, CheckLazyServiceShutDown) {
ndk::SpAIBinder binder(AServiceManager_waitForService(kLazyBinderNdkUnitTestService));