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260 lines
10 KiB
260 lines
10 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef DRM_HAL_H_
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#define DRM_HAL_H_
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#include <android/hardware/drm/1.0/IDrmFactory.h>
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#include <android/hardware/drm/1.0/IDrmPlugin.h>
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#include <android/hardware/drm/1.1/IDrmFactory.h>
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#include <android/hardware/drm/1.1/IDrmPlugin.h>
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#include <android/hardware/drm/1.2/IDrmFactory.h>
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#include <android/hardware/drm/1.2/IDrmPlugin.h>
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#include <android/hardware/drm/1.2/IDrmPluginListener.h>
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#include <android/hardware/drm/1.4/IDrmPlugin.h>
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#include <android/hardware/drm/1.4/types.h>
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#include <media/drm/DrmAPI.h>
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#include <mediadrm/DrmMetrics.h>
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#include <mediadrm/DrmSessionManager.h>
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#include <mediadrm/IDrm.h>
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#include <mediadrm/IDrmClient.h>
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#include <mediadrm/IDrmMetricsConsumer.h>
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#include <utils/threads.h>
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namespace drm = ::android::hardware::drm;
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using drm::V1_0::EventType;
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using drm::V1_0::IDrmFactory;
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using drm::V1_0::IDrmPlugin;
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using drm::V1_0::IDrmPluginListener;
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using drm::V1_1::SecurityLevel;
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using drm::V1_2::KeyStatus;
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using drm::V1_2::OfflineLicenseState;
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using ::android::hardware::hidl_vec;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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typedef drm::V1_2::IDrmPluginListener IDrmPluginListener_V1_2;
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typedef drm::V1_0::KeyStatus KeyStatus_V1_0;
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namespace android {
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struct DrmSessionClientInterface;
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inline bool operator==(const Vector<uint8_t> &l, const Vector<uint8_t> &r) {
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if (l.size() != r.size()) return false;
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return memcmp(l.array(), r.array(), l.size()) == 0;
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}
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struct DrmHal : public IDrm,
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public IDrmPluginListener_V1_2 {
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struct DrmSessionClient;
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DrmHal();
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virtual ~DrmHal();
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virtual status_t initCheck() const;
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virtual status_t isCryptoSchemeSupported(const uint8_t uuid[16],
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const String8& mimeType,
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DrmPlugin::SecurityLevel level,
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bool *isSupported);
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virtual status_t createPlugin(const uint8_t uuid[16],
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const String8 &appPackageName);
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virtual status_t destroyPlugin();
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virtual status_t openSession(DrmPlugin::SecurityLevel level,
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Vector<uint8_t> &sessionId);
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virtual status_t closeSession(Vector<uint8_t> const &sessionId);
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virtual status_t
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getKeyRequest(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &initData,
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String8 const &mimeType, DrmPlugin::KeyType keyType,
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KeyedVector<String8, String8> const &optionalParameters,
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Vector<uint8_t> &request, String8 &defaultUrl,
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DrmPlugin::KeyRequestType *keyRequestType);
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virtual status_t provideKeyResponse(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &response,
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Vector<uint8_t> &keySetId);
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virtual status_t removeKeys(Vector<uint8_t> const &keySetId);
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virtual status_t restoreKeys(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &keySetId);
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virtual status_t queryKeyStatus(Vector<uint8_t> const &sessionId,
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KeyedVector<String8, String8> &infoMap) const;
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virtual status_t getProvisionRequest(String8 const &certType,
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String8 const &certAuthority,
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Vector<uint8_t> &request,
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String8 &defaulUrl);
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virtual status_t provideProvisionResponse(Vector<uint8_t> const &response,
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Vector<uint8_t> &certificate,
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Vector<uint8_t> &wrappedKey);
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virtual status_t getSecureStops(List<Vector<uint8_t>> &secureStops);
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virtual status_t getSecureStopIds(List<Vector<uint8_t>> &secureStopIds);
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virtual status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop);
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virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease);
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virtual status_t removeSecureStop(Vector<uint8_t> const &ssid);
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virtual status_t removeAllSecureStops();
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virtual status_t getHdcpLevels(DrmPlugin::HdcpLevel *connectedLevel,
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DrmPlugin::HdcpLevel *maxLevel) const;
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virtual status_t getNumberOfSessions(uint32_t *currentSessions,
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uint32_t *maxSessions) const;
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virtual status_t getSecurityLevel(Vector<uint8_t> const &sessionId,
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DrmPlugin::SecurityLevel *level) const;
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virtual status_t getOfflineLicenseKeySetIds(List<Vector<uint8_t>> &keySetIds) const;
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virtual status_t removeOfflineLicense(Vector<uint8_t> const &keySetId);
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virtual status_t getOfflineLicenseState(Vector<uint8_t> const &keySetId,
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DrmPlugin::OfflineLicenseState *licenseState) const;
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virtual status_t getPropertyString(String8 const &name, String8 &value ) const;
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virtual status_t getPropertyByteArray(String8 const &name,
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Vector<uint8_t> &value ) const;
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virtual status_t setPropertyString(String8 const &name, String8 const &value ) const;
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virtual status_t setPropertyByteArray(String8 const &name,
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Vector<uint8_t> const &value ) const;
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virtual status_t getMetrics(const sp<IDrmMetricsConsumer> &consumer);
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virtual status_t setCipherAlgorithm(Vector<uint8_t> const &sessionId,
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String8 const &algorithm);
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virtual status_t setMacAlgorithm(Vector<uint8_t> const &sessionId,
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String8 const &algorithm);
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virtual status_t encrypt(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &keyId,
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Vector<uint8_t> const &input,
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Vector<uint8_t> const &iv,
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Vector<uint8_t> &output);
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virtual status_t decrypt(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &keyId,
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Vector<uint8_t> const &input,
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Vector<uint8_t> const &iv,
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Vector<uint8_t> &output);
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virtual status_t sign(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &keyId,
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Vector<uint8_t> const &message,
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Vector<uint8_t> &signature);
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virtual status_t verify(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &keyId,
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Vector<uint8_t> const &message,
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Vector<uint8_t> const &signature,
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bool &match);
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virtual status_t signRSA(Vector<uint8_t> const &sessionId,
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String8 const &algorithm,
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Vector<uint8_t> const &message,
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Vector<uint8_t> const &wrappedKey,
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Vector<uint8_t> &signature);
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virtual status_t setListener(const sp<IDrmClient>& listener);
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virtual status_t requiresSecureDecoder(const char *mime, bool *required) const;
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virtual status_t requiresSecureDecoder(const char *mime, DrmPlugin::SecurityLevel securityLevel,
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bool *required) const;
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virtual status_t setPlaybackId(
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Vector<uint8_t> const &sessionId,
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const char *playbackId);
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virtual status_t getLogMessages(Vector<drm::V1_4::LogMessage> &logs) const;
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// Methods of IDrmPluginListener
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Return<void> sendEvent(EventType eventType,
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const hidl_vec<uint8_t>& sessionId, const hidl_vec<uint8_t>& data);
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Return<void> sendExpirationUpdate(const hidl_vec<uint8_t>& sessionId,
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int64_t expiryTimeInMS);
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Return<void> sendKeysChange(const hidl_vec<uint8_t>& sessionId,
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const hidl_vec<KeyStatus_V1_0>& keyStatusList, bool hasNewUsableKey);
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Return<void> sendKeysChange_1_2(const hidl_vec<uint8_t>& sessionId,
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const hidl_vec<KeyStatus>& keyStatusList, bool hasNewUsableKey);
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Return<void> sendSessionLostState(const hidl_vec<uint8_t>& sessionId);
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private:
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static Mutex mLock;
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sp<IDrmClient> mListener;
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mutable Mutex mEventLock;
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mutable Mutex mNotifyLock;
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const std::vector<sp<IDrmFactory>> mFactories;
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sp<IDrmPlugin> mPlugin;
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sp<drm::V1_1::IDrmPlugin> mPluginV1_1;
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sp<drm::V1_2::IDrmPlugin> mPluginV1_2;
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sp<drm::V1_4::IDrmPlugin> mPluginV1_4;
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String8 mAppPackageName;
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// Mutable to allow modification within GetPropertyByteArray.
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mutable MediaDrmMetrics mMetrics;
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std::vector<std::shared_ptr<DrmSessionClient>> mOpenSessions;
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void closeOpenSessions();
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void cleanup();
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/**
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* mInitCheck is:
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* NO_INIT if a plugin hasn't been created yet
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* ERROR_UNSUPPORTED if a plugin can't be created for the uuid
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* OK after a plugin has been created and mPlugin is valid
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*/
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status_t mInitCheck;
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std::vector<sp<IDrmFactory>> makeDrmFactories();
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sp<IDrmPlugin> makeDrmPlugin(const sp<IDrmFactory>& factory,
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const uint8_t uuid[16], const String8& appPackageName);
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void writeByteArray(Parcel &obj, const hidl_vec<uint8_t>& array);
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std::string reportPluginMetrics() const;
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std::string reportFrameworkMetrics(const std::string& pluginMetrics) const;
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status_t getPropertyStringInternal(String8 const &name, String8 &value) const;
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status_t getPropertyByteArrayInternal(String8 const &name,
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Vector<uint8_t> &value) const;
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status_t matchMimeTypeAndSecurityLevel(const sp<IDrmFactory> &factory,
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const uint8_t uuid[16],
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const String8 &mimeType,
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DrmPlugin::SecurityLevel level,
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bool *isSupported);
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DISALLOW_EVIL_CONSTRUCTORS(DrmHal);
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};
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} // namespace android
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#endif // DRM_HAL_H_
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