| /* |
| * Copyright (C) 2017 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_H_ |
| |
| #define DRM_HAL_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 <media/MediaAnalyticsItem.h> |
| #include <mediadrm/DrmMetrics.h> |
| #include <mediadrm/IDrm.h> |
| #include <mediadrm/IDrmClient.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 DrmHal : public BnDrm, |
| public IBinder::DeathRecipient, |
| public IDrmPluginListener_V1_2 { |
| DrmHal(); |
| virtual ~DrmHal(); |
| |
| 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 &defaulUrl); |
| |
| 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(os::PersistableBundle *metrics); |
| |
| 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); |
| |
| // 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); |
| |
| virtual void binderDied(const wp<IBinder> &the_late_who); |
| |
| private: |
| static Mutex mLock; |
| |
| sp<DrmSessionClientInterface> mDrmSessionClient; |
| |
| sp<IDrmClient> mListener; |
| mutable Mutex mEventLock; |
| mutable Mutex mNotifyLock; |
| |
| const Vector<sp<IDrmFactory>> mFactories; |
| sp<IDrmPlugin> mPlugin; |
| sp<drm::V1_1::IDrmPlugin> mPluginV1_1; |
| sp<drm::V1_2::IDrmPlugin> mPluginV1_2; |
| String8 mAppPackageName; |
| |
| // Mutable to allow modification within GetPropertyByteArray. |
| mutable MediaDrmMetrics mMetrics; |
| |
| Vector<Vector<uint8_t>> 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; |
| |
| 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); |
| |
| void reportPluginMetrics() const; |
| void reportFrameworkMetrics() 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(DrmHal); |
| }; |
| |
| } // namespace android |
| |
| #endif // DRM_HAL_H_ |