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Diffstat (limited to 'ready_se/google/keymint/KM300/HAL/service.cpp')
-rw-r--r--ready_se/google/keymint/KM300/HAL/service.cpp95
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diff --git a/ready_se/google/keymint/KM300/HAL/service.cpp b/ready_se/google/keymint/KM300/HAL/service.cpp
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+/*
+ * Copyright 2020, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "javacard.strongbox-service"
+
+#include <aidl/android/hardware/security/keymint/SecurityLevel.h>
+
+#include <android-base/logging.h>
+#include <android-base/properties.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+#include "JavacardKeyMintDevice.h"
+#include "JavacardRemotelyProvisionedComponentDevice.h"
+#include "JavacardSecureElement.h"
+#include "JavacardSharedSecret.h"
+#include "OmapiTransport.h"
+#include "SocketTransport.h"
+#include "keymint_utils.h"
+
+using aidl::android::hardware::security::keymint::JavacardKeyMintDevice;
+using aidl::android::hardware::security::keymint::JavacardRemotelyProvisionedComponentDevice;
+using aidl::android::hardware::security::keymint::SecurityLevel;
+using aidl::android::hardware::security::sharedsecret::JavacardSharedSecret;
+using keymint::javacard::getOsPatchlevel;
+using keymint::javacard::getOsVersion;
+using keymint::javacard::getVendorPatchlevel;
+using keymint::javacard::ITransport;
+using keymint::javacard::JavacardSecureElement;
+using keymint::javacard::OmapiTransport;
+using keymint::javacard::SocketTransport;
+
+#define PROP_BUILD_QEMU "ro.kernel.qemu"
+#define PROP_BUILD_FINGERPRINT "ro.build.fingerprint"
+// Cuttlefish build fingerprint substring.
+#define CUTTLEFISH_FINGERPRINT_SS "aosp_cf_"
+
+template <typename T, class... Args> std::shared_ptr<T> addService(Args&&... args) {
+ std::shared_ptr<T> ser = ndk::SharedRefBase::make<T>(std::forward<Args>(args)...);
+ auto instanceName = std::string(T::descriptor) + "/strongbox";
+ LOG(INFO) << "adding javacard strongbox service instance: " << instanceName;
+ binder_status_t status =
+ AServiceManager_addService(ser->asBinder().get(), instanceName.c_str());
+ CHECK(status == STATUS_OK);
+ return ser;
+}
+
+std::shared_ptr<ITransport> getTransportInstance() {
+ bool isEmulator = false;
+ // Check if the current build is for emulator or device.
+ isEmulator = android::base::GetBoolProperty(PROP_BUILD_QEMU, false);
+ if (!isEmulator) {
+ std::string fingerprint = android::base::GetProperty(PROP_BUILD_FINGERPRINT, "");
+ if (!fingerprint.empty()) {
+ if (fingerprint.find(CUTTLEFISH_FINGERPRINT_SS, 0) != std::string::npos) {
+ isEmulator = true;
+ }
+ }
+ }
+
+ if (!isEmulator) {
+ return std::make_shared<OmapiTransport>();
+ } else {
+ return std::make_shared<SocketTransport>();
+ }
+}
+
+int main() {
+ ABinderProcess_setThreadPoolMaxThreadCount(0);
+ // Javacard Secure Element
+ std::shared_ptr<JavacardSecureElement> card = std::make_shared<JavacardSecureElement>(
+ getTransportInstance(), getOsVersion(), getOsPatchlevel(), getVendorPatchlevel());
+ // Add Keymint Service
+ addService<JavacardKeyMintDevice>(card);
+ // Add Shared Secret Service
+ addService<JavacardSharedSecret>(card);
+ // Add Remotely Provisioned Component Service
+ addService<JavacardRemotelyProvisionedComponentDevice>(card);
+
+ ABinderProcess_joinThreadPool();
+ return EXIT_FAILURE; // should not reach
+}