Merge "servicemanager: getUpdatableNames()" (fbb09e36) · Commits · e / os / android_frameworks_native

cmds/dumpsys/tests/dumpsys_test.cpp

+1 −0

Original line number	Diff line number	Diff line
		@@ -60,6 +60,7 @@ class ServiceManagerMock : public IServiceManager {
		MOCK_METHOD1(isDeclared, bool(const String16&));
		MOCK_METHOD1(getDeclaredInstances, Vector<String16>(const String16&));
		MOCK_METHOD1(updatableViaApex, std::optional<String16>(const String16&));
		MOCK_METHOD1(getUpdatableNames, Vector<String16>(const String16&));
		MOCK_METHOD1(getConnectionInfo, std::optional<ConnectionInfo>(const String16&));
		MOCK_METHOD2(registerForNotifications, status_t(const String16&,
		const sp<LocalRegistrationCallback>&));

cmds/servicemanager/ServiceManager.cpp

+44 −0

Original line number	Diff line number	Diff line
		@@ -142,6 +142,26 @@ static std::optional<std::string> getVintfUpdatableApex(const std::string& name)
		return updatableViaApex;
		}

		static std::vector<std::string> getVintfUpdatableInstances(const std::string& apexName) {
		std::vector<std::string> instances;

		forEachManifest([&](const ManifestWithDescription& mwd) {
		mwd.manifest->forEachInstance([&](const auto& manifestInstance) {
		if (manifestInstance.format() == vintf::HalFormat::AIDL &&
		manifestInstance.updatableViaApex().has_value() &&
		manifestInstance.updatableViaApex().value() == apexName) {
		std::string aname = manifestInstance.package() + "." +
		manifestInstance.interface() + "/" + manifestInstance.instance();
		instances.push_back(aname);
		}
		return false; // continue
		});
		return false; // continue
		});

		return instances;
		}

		static std::optional<ConnectionInfo> getVintfConnectionInfo(const std::string& name) {
		AidlName aname;
		if (!AidlName::fill(name, &aname)) return std::nullopt;
		@@ -512,6 +532,30 @@ Status ServiceManager::updatableViaApex(const std::string& name,
		return Status::ok();
		}

		Status ServiceManager::getUpdatableNames([[maybe_unused]] const std::string& apexName,
		std::vector<std::string>* outReturn) {
		auto ctx = mAccess->getCallingContext();

		std::vector<std::string> apexUpdatableInstances;
		#ifndef VENDORSERVICEMANAGER
		apexUpdatableInstances = getVintfUpdatableInstances(apexName);
		#endif

		outReturn->clear();

		for (const std::string& instance : apexUpdatableInstances) {
		if (mAccess->canFind(ctx, instance)) {
		outReturn->push_back(instance);
		}
		}

		if (outReturn->size() == 0 && apexUpdatableInstances.size() != 0) {
		return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denial");
		}

		return Status::ok();
		}

		Status ServiceManager::getConnectionInfo(const std::string& name,
		std::optional<ConnectionInfo>* outReturn) {
		auto ctx = mAccess->getCallingContext();

cmds/servicemanager/ServiceManager.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,8 @@ public:
		binder::Status getDeclaredInstances(const std::string& interface, std::vector<std::string>* outReturn) override;
		binder::Status updatableViaApex(const std::string& name,
		std::optional<std::string>* outReturn) override;
		binder::Status getUpdatableNames(const std::string& apexName,
		std::vector<std::string>* outReturn) override;
		binder::Status getConnectionInfo(const std::string& name,
		std::optional<ConnectionInfo>* outReturn) override;
		binder::Status registerClientCallback(const std::string& name, const sp<IBinder>& service,

libs/binder/IServiceManager.cpp

+18 −0

Original line number	Diff line number	Diff line
		@@ -81,6 +81,7 @@ public:
		bool isDeclared(const String16& name) override;
		Vector<String16> getDeclaredInstances(const String16& interface) override;
		std::optional<String16> updatableViaApex(const String16& name) override;
		Vector<String16> getUpdatableNames(const String16& apexName) override;
		std::optional<IServiceManager::ConnectionInfo> getConnectionInfo(const String16& name) override;
		class RegistrationWaiter : public android::os::BnServiceCallback {
		public:
		@@ -479,6 +480,23 @@ std::optional<String16> ServiceManagerShim::updatableViaApex(const String16& nam
		return declared ? std::optional<String16>(String16(declared.value().c_str())) : std::nullopt;
		}

		Vector<String16> ServiceManagerShim::getUpdatableNames(const String16& apexName) {
		std::vector<std::string> out;
		if (Status status = mTheRealServiceManager->getUpdatableNames(String8(apexName).c_str(), &out);
		!status.isOk()) {
		ALOGW("Failed to getUpdatableNames for %s: %s", String8(apexName).c_str(),
		status.toString8().c_str());
		return {};
		}

		Vector<String16> res;
		res.setCapacity(out.size());
		for (const std::string& instance : out) {
		res.push(String16(instance.c_str()));
		}
		return res;
		}

		std::optional<IServiceManager::ConnectionInfo> ServiceManagerShim::getConnectionInfo(
		const String16& name) {
		std::optional<os::ConnectionInfo> connectionInfo;

libs/binder/aidl/android/os/IServiceManager.aidl

+6 −0

Original line number	Diff line number	Diff line
		@@ -113,6 +113,12 @@ interface IServiceManager {
		*/
		@nullable @utf8InCpp String updatableViaApex(@utf8InCpp String name);

		/**
		* Returns all instances which are updatable via the APEX. Instance names are fully qualified
		* like `pack.age.IFoo/default`.
		*/
		@utf8InCpp String[] getUpdatableNames(@utf8InCpp String apexName);

		/**
		* If connection info is available for the given instance, returns the ConnectionInfo
		*/