Add aidl interface support for Drm Framework
This change intends to make DrmHal/CryptoHal layer support aidl
interface implemented plugins.
Test: CtsMediaDrmTestCases, GtsMediaTestCases
Bug: 200055138
Bug: 170964303
Change-Id: I7056adf184acf1463cb4fc85e1c95ac88c2097f6
diff --git a/drm/libmediadrm/include/mediadrm/DrmHalHidl.h b/drm/libmediadrm/include/mediadrm/DrmHalHidl.h
new file mode 100644
index 0000000..91dc700
--- /dev/null
+++ b/drm/libmediadrm/include/mediadrm/DrmHalHidl.h
@@ -0,0 +1,258 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#ifndef DRM_HAL_HIDL_H_
+#define DRM_HAL_HIDL_H_
+
+#include <android/hardware/drm/1.0/IDrmFactory.h>
+#include <android/hardware/drm/1.0/IDrmPlugin.h>
+#include <android/hardware/drm/1.1/IDrmFactory.h>
+#include <android/hardware/drm/1.1/IDrmPlugin.h>
+#include <android/hardware/drm/1.2/IDrmFactory.h>
+#include <android/hardware/drm/1.2/IDrmPlugin.h>
+#include <android/hardware/drm/1.2/IDrmPluginListener.h>
+#include <android/hardware/drm/1.4/IDrmPlugin.h>
+#include <android/hardware/drm/1.4/types.h>
+
+#include <media/drm/DrmAPI.h>
+#include <mediadrm/DrmMetrics.h>
+#include <mediadrm/DrmSessionManager.h>
+#include <mediadrm/IDrm.h>
+#include <mediadrm/IDrmClient.h>
+#include <mediadrm/IDrmMetricsConsumer.h>
+#include <utils/threads.h>
+
+namespace drm = ::android::hardware::drm;
+using drm::V1_0::EventType;
+using drm::V1_0::IDrmFactory;
+using drm::V1_0::IDrmPlugin;
+using drm::V1_0::IDrmPluginListener;
+using drm::V1_1::SecurityLevel;
+using drm::V1_2::KeyStatus;
+using drm::V1_2::OfflineLicenseState;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+
+typedef drm::V1_2::IDrmPluginListener IDrmPluginListener_V1_2;
+typedef drm::V1_0::KeyStatus KeyStatus_V1_0;
+
+namespace android {
+
+struct DrmSessionClientInterface;
+
+inline bool operator==(const Vector<uint8_t> &l, const Vector<uint8_t> &r) {
+ if (l.size() != r.size()) return false;
+ return memcmp(l.array(), r.array(), l.size()) == 0;
+}
+
+struct DrmHalHidl : public IDrm,
+ public IDrmPluginListener_V1_2 {
+
+ struct DrmSessionClient;
+
+ DrmHalHidl();
+ virtual ~DrmHalHidl();
+
+ virtual status_t initCheck() const;
+
+ virtual status_t isCryptoSchemeSupported(const uint8_t uuid[16],
+ const String8& mimeType,
+ DrmPlugin::SecurityLevel level,
+ bool *isSupported);
+
+ virtual status_t createPlugin(const uint8_t uuid[16],
+ const String8 &appPackageName);
+
+ virtual status_t destroyPlugin();
+
+ virtual status_t openSession(DrmPlugin::SecurityLevel level,
+ Vector<uint8_t> &sessionId);
+
+ virtual status_t closeSession(Vector<uint8_t> const &sessionId);
+
+ virtual status_t
+ getKeyRequest(Vector<uint8_t> const &sessionId,
+ Vector<uint8_t> const &initData,
+ String8 const &mimeType, DrmPlugin::KeyType keyType,
+ KeyedVector<String8, String8> const &optionalParameters,
+ Vector<uint8_t> &request, String8 &defaultUrl,
+ DrmPlugin::KeyRequestType *keyRequestType);
+
+ virtual status_t provideKeyResponse(Vector<uint8_t> const &sessionId,
+ Vector<uint8_t> const &response,
+ Vector<uint8_t> &keySetId);
+
+ virtual status_t removeKeys(Vector<uint8_t> const &keySetId);
+
+ virtual status_t restoreKeys(Vector<uint8_t> const &sessionId,
+ Vector<uint8_t> const &keySetId);
+
+ virtual status_t queryKeyStatus(Vector<uint8_t> const &sessionId,
+ KeyedVector<String8, String8> &infoMap) const;
+
+ virtual status_t getProvisionRequest(String8 const &certType,
+ String8 const &certAuthority,
+ Vector<uint8_t> &request,
+ String8 &defaultUrl);
+
+ virtual status_t provideProvisionResponse(Vector<uint8_t> const &response,
+ Vector<uint8_t> &certificate,
+ Vector<uint8_t> &wrappedKey);
+
+ virtual status_t getSecureStops(List<Vector<uint8_t>> &secureStops);
+ virtual status_t getSecureStopIds(List<Vector<uint8_t>> &secureStopIds);
+ virtual status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop);
+
+ virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease);
+ virtual status_t removeSecureStop(Vector<uint8_t> const &ssid);
+ virtual status_t removeAllSecureStops();
+
+ virtual status_t getHdcpLevels(DrmPlugin::HdcpLevel *connectedLevel,
+ DrmPlugin::HdcpLevel *maxLevel) const;
+ virtual status_t getNumberOfSessions(uint32_t *currentSessions,
+ uint32_t *maxSessions) const;
+ virtual status_t getSecurityLevel(Vector<uint8_t> const &sessionId,
+ DrmPlugin::SecurityLevel *level) const;
+
+ virtual status_t getOfflineLicenseKeySetIds(List<Vector<uint8_t>> &keySetIds) const;
+ virtual status_t removeOfflineLicense(Vector<uint8_t> const &keySetId);
+ virtual status_t getOfflineLicenseState(Vector<uint8_t> const &keySetId,
+ DrmPlugin::OfflineLicenseState *licenseState) const;
+
+ virtual status_t getPropertyString(String8 const &name, String8 &value ) const;
+ virtual status_t getPropertyByteArray(String8 const &name,
+ Vector<uint8_t> &value ) const;
+ virtual status_t setPropertyString(String8 const &name, String8 const &value ) const;
+ virtual status_t setPropertyByteArray(String8 const &name,
+ Vector<uint8_t> const &value ) const;
+ virtual status_t getMetrics(const sp<IDrmMetricsConsumer> &consumer);
+
+ virtual status_t setCipherAlgorithm(Vector<uint8_t> const &sessionId,
+ String8 const &algorithm);
+
+ virtual status_t setMacAlgorithm(Vector<uint8_t> const &sessionId,
+ String8 const &algorithm);
+
+ virtual status_t encrypt(Vector<uint8_t> const &sessionId,
+ Vector<uint8_t> const &keyId,
+ Vector<uint8_t> const &input,
+ Vector<uint8_t> const &iv,
+ Vector<uint8_t> &output);
+
+ virtual status_t decrypt(Vector<uint8_t> const &sessionId,
+ Vector<uint8_t> const &keyId,
+ Vector<uint8_t> const &input,
+ Vector<uint8_t> const &iv,
+ Vector<uint8_t> &output);
+
+ virtual status_t sign(Vector<uint8_t> const &sessionId,
+ Vector<uint8_t> const &keyId,
+ Vector<uint8_t> const &message,
+ Vector<uint8_t> &signature);
+
+ virtual status_t verify(Vector<uint8_t> const &sessionId,
+ Vector<uint8_t> const &keyId,
+ Vector<uint8_t> const &message,
+ Vector<uint8_t> const &signature,
+ bool &match);
+
+ virtual status_t signRSA(Vector<uint8_t> const &sessionId,
+ String8 const &algorithm,
+ Vector<uint8_t> const &message,
+ Vector<uint8_t> const &wrappedKey,
+ Vector<uint8_t> &signature);
+
+ virtual status_t setListener(const sp<IDrmClient>& listener);
+
+ virtual status_t requiresSecureDecoder(const char *mime, bool *required) const;
+
+ virtual status_t requiresSecureDecoder(const char *mime, DrmPlugin::SecurityLevel securityLevel,
+ bool *required) const;
+
+ virtual status_t setPlaybackId(
+ Vector<uint8_t> const &sessionId,
+ const char *playbackId);
+
+ virtual status_t getLogMessages(Vector<drm::V1_4::LogMessage> &logs) const;
+
+ // Methods of IDrmPluginListener
+ Return<void> sendEvent(EventType eventType,
+ const hidl_vec<uint8_t>& sessionId, const hidl_vec<uint8_t>& data);
+
+ Return<void> sendExpirationUpdate(const hidl_vec<uint8_t>& sessionId,
+ int64_t expiryTimeInMS);
+
+ Return<void> sendKeysChange(const hidl_vec<uint8_t>& sessionId,
+ const hidl_vec<KeyStatus_V1_0>& keyStatusList, bool hasNewUsableKey);
+
+ Return<void> sendKeysChange_1_2(const hidl_vec<uint8_t>& sessionId,
+ const hidl_vec<KeyStatus>& keyStatusList, bool hasNewUsableKey);
+
+ Return<void> sendSessionLostState(const hidl_vec<uint8_t>& sessionId);
+
+private:
+ static Mutex mLock;
+
+ sp<IDrmClient> mListener;
+ mutable Mutex mEventLock;
+ mutable Mutex mNotifyLock;
+
+ const std::vector<sp<IDrmFactory>> mFactories;
+ sp<IDrmPlugin> mPlugin;
+ sp<drm::V1_1::IDrmPlugin> mPluginV1_1;
+ sp<drm::V1_2::IDrmPlugin> mPluginV1_2;
+ sp<drm::V1_4::IDrmPlugin> mPluginV1_4;
+ String8 mAppPackageName;
+
+ // Mutable to allow modification within GetPropertyByteArray.
+ mutable MediaDrmMetrics mMetrics;
+
+ std::vector<std::shared_ptr<DrmSessionClient>> mOpenSessions;
+ void closeOpenSessions();
+ void cleanup();
+
+ /**
+ * mInitCheck is:
+ * NO_INIT if a plugin hasn't been created yet
+ * ERROR_UNSUPPORTED if a plugin can't be created for the uuid
+ * OK after a plugin has been created and mPlugin is valid
+ */
+ status_t mInitCheck;
+
+ std::vector<sp<IDrmFactory>> makeDrmFactories();
+ sp<IDrmPlugin> makeDrmPlugin(const sp<IDrmFactory>& factory,
+ const uint8_t uuid[16], const String8& appPackageName);
+
+ void writeByteArray(Parcel &obj, const hidl_vec<uint8_t>& array);
+
+ std::string reportPluginMetrics() const;
+ std::string reportFrameworkMetrics(const std::string& pluginMetrics) const;
+ status_t getPropertyStringInternal(String8 const &name, String8 &value) const;
+ status_t getPropertyByteArrayInternal(String8 const &name,
+ Vector<uint8_t> &value) const;
+ status_t matchMimeTypeAndSecurityLevel(const sp<IDrmFactory> &factory,
+ const uint8_t uuid[16],
+ const String8 &mimeType,
+ DrmPlugin::SecurityLevel level,
+ bool *isSupported);
+
+ DISALLOW_EVIL_CONSTRUCTORS(DrmHalHidl);
+};
+
+} // namespace android
+
+#endif // DRM_HAL_H_