1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef DRM_HAL_AIDL_H_ 18 #define DRM_HAL_AIDL_H_ 19 20 #include <memory> 21 #include <aidl/android/hardware/drm/BnDrmPluginListener.h> 22 #include <aidl/android/hardware/drm/IDrmFactory.h> 23 #include <aidl/android/hardware/drm/IDrmPlugin.h> 24 #include <aidl/android/media/BnResourceManagerClient.h> 25 #include <mediadrm/DrmMetrics.h> 26 #include <mediadrm/DrmSessionManager.h> 27 #include <mediadrm/DrmHalListener.h> 28 #include <mediadrm/IDrm.h> 29 30 using IDrmPluginAidl = ::aidl::android::hardware::drm::IDrmPlugin; 31 using IDrmFactoryAidl = ::aidl::android::hardware::drm::IDrmFactory; 32 using EventTypeAidl = ::aidl::android::hardware::drm::EventType; 33 using KeyStatusAidl = ::aidl::android::hardware::drm::KeyStatus; 34 using ::aidl::android::hardware::drm::Uuid; 35 36 namespace android { 37 struct DrmHalAidl : public IDrm{ 38 struct DrmSessionClient; 39 DrmHalAidl(); 40 virtual ~DrmHalAidl(); 41 virtual status_t initCheck() const; 42 virtual status_t isCryptoSchemeSupported(const uint8_t uuid[16], const String8& mimeType, 43 DrmPlugin::SecurityLevel securityLevel, bool* result); 44 virtual status_t createPlugin(const uint8_t uuid[16], const String8& appPackageName); 45 virtual status_t destroyPlugin(); 46 virtual status_t openSession(DrmPlugin::SecurityLevel securityLevel, 47 Vector<uint8_t>& sessionId); 48 virtual status_t closeSession(Vector<uint8_t> const& sessionId); 49 virtual status_t getKeyRequest(Vector<uint8_t> const& sessionId, 50 Vector<uint8_t> const& initData, String8 const& mimeType, 51 DrmPlugin::KeyType keyType, 52 KeyedVector<String8, String8> const& optionalParameters, 53 Vector<uint8_t>& request, String8& defaultUrl, 54 DrmPlugin::KeyRequestType* keyRequestType); 55 virtual status_t provideKeyResponse(Vector<uint8_t> const& sessionId, 56 Vector<uint8_t> const& response, Vector<uint8_t>& keySetId); 57 virtual status_t removeKeys(Vector<uint8_t> const& keySetId); 58 virtual status_t restoreKeys(Vector<uint8_t> const& sessionId, Vector<uint8_t> const& keySetId); 59 virtual status_t queryKeyStatus(Vector<uint8_t> const& sessionId, 60 KeyedVector<String8, String8>& infoMap) const; 61 virtual status_t getProvisionRequest(String8 const& certType, String8 const& certAuthority, 62 Vector<uint8_t>& request, String8& defaultUrl); 63 virtual status_t provideProvisionResponse(Vector<uint8_t> const& response, 64 Vector<uint8_t>& certificate, 65 Vector<uint8_t>& wrappedKey); 66 virtual status_t getSecureStops(List<Vector<uint8_t>>& secureStops); 67 virtual status_t getSecureStopIds(List<Vector<uint8_t>>& secureStopIds); 68 virtual status_t getSecureStop(Vector<uint8_t> const& ssid, Vector<uint8_t>& secureStop); 69 virtual status_t releaseSecureStops(Vector<uint8_t> const& ssRelease); 70 virtual status_t removeSecureStop(Vector<uint8_t> const& ssid); 71 virtual status_t removeAllSecureStops(); 72 virtual status_t getHdcpLevels(DrmPlugin::HdcpLevel* connectedLevel, 73 DrmPlugin::HdcpLevel* maxLevel) const; 74 virtual status_t getNumberOfSessions(uint32_t* currentSessions, uint32_t* maxSessions) const; 75 virtual status_t getSecurityLevel(Vector<uint8_t> const& sessionId, 76 DrmPlugin::SecurityLevel* level) const; 77 virtual status_t getOfflineLicenseKeySetIds(List<Vector<uint8_t>>& keySetIds) const; 78 virtual status_t removeOfflineLicense(Vector<uint8_t> const& keySetId); 79 virtual status_t getOfflineLicenseState(Vector<uint8_t> const& keySetId, 80 DrmPlugin::OfflineLicenseState* licenseState) const; 81 virtual status_t getPropertyString(String8 const& name, String8& value) const; 82 virtual status_t getPropertyByteArray(String8 const& name, Vector<uint8_t>& value) const; 83 virtual status_t setPropertyString(String8 const& name, String8 const& value) const; 84 virtual status_t setPropertyByteArray(String8 const& name, Vector<uint8_t> const& value) const; 85 virtual status_t getMetrics(const sp<IDrmMetricsConsumer>& consumer); 86 virtual status_t setCipherAlgorithm(Vector<uint8_t> const& sessionId, String8 const& algorithm); 87 virtual status_t setMacAlgorithm(Vector<uint8_t> const& sessionId, String8 const& algorithm); 88 virtual status_t encrypt(Vector<uint8_t> const& sessionId, Vector<uint8_t> const& keyId, 89 Vector<uint8_t> const& input, Vector<uint8_t> const& iv, 90 Vector<uint8_t>& output); 91 virtual status_t decrypt(Vector<uint8_t> const& sessionId, Vector<uint8_t> const& keyId, 92 Vector<uint8_t> const& input, Vector<uint8_t> const& iv, 93 Vector<uint8_t>& output); 94 virtual status_t sign(Vector<uint8_t> const& sessionId, Vector<uint8_t> const& keyId, 95 Vector<uint8_t> const& message, Vector<uint8_t>& signature); 96 virtual status_t verify(Vector<uint8_t> const& sessionId, Vector<uint8_t> const& keyId, 97 Vector<uint8_t> const& message, Vector<uint8_t> const& signature, 98 bool& match); 99 virtual status_t signRSA(Vector<uint8_t> const& sessionId, String8 const& algorithm, 100 Vector<uint8_t> const& message, Vector<uint8_t> const& wrappedKey, 101 Vector<uint8_t>& signature); 102 virtual status_t setListener(const sp<IDrmClient>& listener); 103 virtual status_t requiresSecureDecoder(const char* mime, bool* required) const; 104 virtual status_t requiresSecureDecoder(const char* mime, DrmPlugin::SecurityLevel securityLevel, 105 bool* required) const; 106 virtual status_t setPlaybackId(Vector<uint8_t> const& sessionId, const char* playbackId); 107 virtual status_t getLogMessages(Vector<drm::V1_4::LogMessage>& logs) const; 108 virtual status_t getSupportedSchemes(std::vector<uint8_t> &schemes) const; 109 110 ::ndk::ScopedAStatus onEvent(EventTypeAidl in_eventType, 111 const std::vector<uint8_t>& in_sessionId, 112 const std::vector<uint8_t>& in_data); 113 ::ndk::ScopedAStatus onExpirationUpdate(const std::vector<uint8_t>& in_sessionId, 114 int64_t in_expiryTimeInMS); 115 ::ndk::ScopedAStatus onKeysChange(const std::vector<uint8_t>& in_sessionId, 116 const std::vector<KeyStatusAidl>& in_keyStatusList, 117 bool in_hasNewUsableKey); 118 ::ndk::ScopedAStatus onSessionLostState(const std::vector<uint8_t>& in_sessionId); 119 private: 120 static Mutex mLock; 121 mutable MediaDrmMetrics mMetrics; 122 std::shared_ptr<DrmHalListener> mListener; 123 const std::vector<std::shared_ptr<IDrmFactoryAidl>> mFactories; 124 std::shared_ptr<IDrmPluginAidl> mPlugin; 125 status_t mInitCheck; 126 std::vector<std::shared_ptr<DrmSessionClient>> mOpenSessions; 127 void cleanup(); 128 void closeOpenSessions(); 129 std::string reportPluginMetrics() const; 130 std::string reportFrameworkMetrics(const std::string& pluginMetrics) const; 131 status_t getPropertyStringInternal(String8 const& name, String8& value) const; 132 status_t getPropertyByteArrayInternal(String8 const& name, Vector<uint8_t>& value) const; 133 DISALLOW_EVIL_CONSTRUCTORS(DrmHalAidl); 134 }; 135 136 } // namespace android 137 138 #endif // DRM_HAL_AIDL_H_