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378 lines
14 KiB
378 lines
14 KiB
/*
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* Copyright (C) 2019 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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//#define LOG_NDEBUG 0
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#define LOG_TAG "DrmUtils"
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#include <android/hardware/drm/1.0/ICryptoFactory.h>
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#include <android/hardware/drm/1.0/ICryptoPlugin.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/ICryptoFactory.h>
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#include <android/hardware/drm/1.1/IDrmFactory.h>
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#include <android/hardware/drm/1.2/ICryptoFactory.h>
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#include <android/hardware/drm/1.2/IDrmFactory.h>
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#include <android/hardware/drm/1.3/ICryptoFactory.h>
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#include <android/hardware/drm/1.3/IDrmFactory.h>
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#include <android/hardware/drm/1.4/ICryptoFactory.h>
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#include <android/hardware/drm/1.4/IDrmFactory.h>
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#include <android/hidl/manager/1.2/IServiceManager.h>
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#include <hidl/HidlSupport.h>
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#include <utils/Errors.h>
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#include <utils/Log.h>
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#include <utils/String16.h>
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#include <cutils/properties.h>
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#include <mediadrm/CryptoHal.h>
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#include <mediadrm/DrmHal.h>
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#include <mediadrm/DrmUtils.h>
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#include <mediadrm/ICrypto.h>
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#include <mediadrm/IDrm.h>
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#include <map>
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#include <string>
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using HServiceManager = ::android::hidl::manager::V1_2::IServiceManager;
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using ::android::hardware::hidl_array;
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using ::android::hardware::hidl_string;
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using ::android::hardware::hidl_vec;
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using namespace ::android::hardware::drm;
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namespace android {
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namespace DrmUtils {
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namespace {
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template<typename Hal>
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Hal *MakeObject(status_t *pstatus) {
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status_t err = OK;
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status_t &status = pstatus ? *pstatus : err;
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auto obj = new Hal();
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status = obj->initCheck();
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if (status != OK && status != NO_INIT) {
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return NULL;
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}
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return obj;
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}
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template <typename Hal, typename V, typename M>
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void MakeHidlFactories(const uint8_t uuid[16], V &factories, M& instances) {
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sp<HServiceManager> serviceManager = HServiceManager::getService();
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if (serviceManager == nullptr) {
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LOG2BE("Failed to get service manager");
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return;
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}
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serviceManager->listManifestByInterface(Hal::descriptor, [&](const hidl_vec<hidl_string> ®istered) {
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for (const auto &instance : registered) {
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auto factory = Hal::getService(instance);
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if (factory != nullptr) {
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instances[instance.c_str()] = Hal::descriptor;
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if (!uuid) {
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factories.push_back(factory);
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continue;
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}
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auto supported = factory->isCryptoSchemeSupported(uuid);
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if (!supported.isOk()) {
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LOG2BE(uuid, "isCryptoSchemeSupported txn failed: %s",
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supported.description().c_str());
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continue;
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}
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if (supported) {
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factories.push_back(factory);
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}
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}
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}
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});
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}
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template <typename Hal, typename V>
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void MakeHidlFactories(const uint8_t uuid[16], V &factories) {
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std::map<std::string, std::string> instances;
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MakeHidlFactories<Hal>(uuid, factories, instances);
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}
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hidl_vec<uint8_t> toHidlVec(const void *ptr, size_t size) {
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hidl_vec<uint8_t> vec(size);
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if (ptr != nullptr) {
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memcpy(vec.data(), ptr, size);
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}
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return vec;
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}
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hidl_array<uint8_t, 16> toHidlArray16(const uint8_t *ptr) {
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if (ptr == nullptr) {
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return hidl_array<uint8_t, 16>();
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}
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return hidl_array<uint8_t, 16>(ptr);
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}
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sp<::V1_0::IDrmPlugin> MakeDrmPlugin(const sp<::V1_0::IDrmFactory> &factory,
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const uint8_t uuid[16], const char *appPackageName) {
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sp<::V1_0::IDrmPlugin> plugin;
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auto err = factory->createPlugin(
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toHidlArray16(uuid), hidl_string(appPackageName),
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[&](::V1_0::Status status, const sp<::V1_0::IDrmPlugin> &hPlugin) {
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if (status != ::V1_0::Status::OK) {
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LOG2BE(uuid, "MakeDrmPlugin failed: %d", status);
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return;
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}
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plugin = hPlugin;
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});
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if (err.isOk()) {
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return plugin;
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} else {
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LOG2BE(uuid, "MakeDrmPlugin txn failed: %s", err.description().c_str());
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return nullptr;
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}
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}
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sp<::V1_0::ICryptoPlugin> MakeCryptoPlugin(const sp<::V1_0::ICryptoFactory> &factory,
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const uint8_t uuid[16], const void *initData,
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size_t initDataSize) {
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sp<::V1_0::ICryptoPlugin> plugin;
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auto err = factory->createPlugin(
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toHidlArray16(uuid), toHidlVec(initData, initDataSize),
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[&](::V1_0::Status status, const sp<::V1_0::ICryptoPlugin> &hPlugin) {
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if (status != ::V1_0::Status::OK) {
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LOG2BE(uuid, "MakeCryptoPlugin failed: %d", status);
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return;
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}
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plugin = hPlugin;
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});
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if (err.isOk()) {
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return plugin;
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} else {
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LOG2BE(uuid, "MakeCryptoPlugin txn failed: %s", err.description().c_str());
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return nullptr;
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}
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}
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} // namespace
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bool UseDrmService() {
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return property_get_bool("mediadrm.use_mediadrmserver", true);
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}
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sp<IDrm> MakeDrm(status_t *pstatus) {
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return MakeObject<DrmHal>(pstatus);
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}
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sp<ICrypto> MakeCrypto(status_t *pstatus) {
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return MakeObject<CryptoHal>(pstatus);
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}
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std::vector<sp<::V1_0::IDrmFactory>> MakeDrmFactories(const uint8_t uuid[16]) {
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std::vector<sp<::V1_0::IDrmFactory>> drmFactories;
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std::map<std::string, std::string> instances;
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MakeHidlFactories<::V1_0::IDrmFactory>(uuid, drmFactories, instances);
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MakeHidlFactories<::V1_1::IDrmFactory>(uuid, drmFactories, instances);
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MakeHidlFactories<::V1_2::IDrmFactory>(uuid, drmFactories, instances);
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MakeHidlFactories<::V1_3::IDrmFactory>(uuid, drmFactories, instances);
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MakeHidlFactories<::V1_4::IDrmFactory>(uuid, drmFactories, instances);
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for (auto const& entry : instances) {
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LOG2BI("found instance=%s version=%s", entry.first.c_str(), entry.second.c_str());
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}
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return drmFactories;
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}
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std::vector<sp<::V1_0::IDrmPlugin>> MakeDrmPlugins(const uint8_t uuid[16],
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const char *appPackageName) {
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std::vector<sp<::V1_0::IDrmPlugin>> plugins;
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for (const auto &factory : MakeDrmFactories(uuid)) {
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plugins.push_back(MakeDrmPlugin(factory, uuid, appPackageName));
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}
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return plugins;
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}
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std::vector<sp<::V1_0::ICryptoFactory>> MakeCryptoFactories(const uint8_t uuid[16]) {
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std::vector<sp<::V1_0::ICryptoFactory>> cryptoFactories;
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MakeHidlFactories<::V1_0::ICryptoFactory>(uuid, cryptoFactories);
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MakeHidlFactories<::V1_1::ICryptoFactory>(uuid, cryptoFactories);
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MakeHidlFactories<::V1_2::ICryptoFactory>(uuid, cryptoFactories);
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MakeHidlFactories<::V1_3::ICryptoFactory>(uuid, cryptoFactories);
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MakeHidlFactories<::V1_4::ICryptoFactory>(uuid, cryptoFactories);
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return cryptoFactories;
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}
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std::vector<sp<ICryptoPlugin>> MakeCryptoPlugins(const uint8_t uuid[16], const void *initData,
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size_t initDataSize) {
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std::vector<sp<ICryptoPlugin>> plugins;
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for (const auto &factory : MakeCryptoFactories(uuid)) {
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plugins.push_back(MakeCryptoPlugin(factory, uuid, initData, initDataSize));
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}
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return plugins;
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}
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status_t toStatusT_1_4(::V1_4::Status status) {
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switch (status) {
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case ::V1_4::Status::OK:
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return OK;
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case ::V1_4::Status::BAD_VALUE:
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return BAD_VALUE;
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case ::V1_4::Status::ERROR_DRM_CANNOT_HANDLE:
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return ERROR_DRM_CANNOT_HANDLE;
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case ::V1_4::Status::ERROR_DRM_DECRYPT:
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return ERROR_DRM_DECRYPT;
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case ::V1_4::Status::ERROR_DRM_DEVICE_REVOKED:
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return ERROR_DRM_DEVICE_REVOKED;
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case ::V1_4::Status::ERROR_DRM_FRAME_TOO_LARGE:
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return ERROR_DRM_FRAME_TOO_LARGE;
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case ::V1_4::Status::ERROR_DRM_INSUFFICIENT_OUTPUT_PROTECTION:
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return ERROR_DRM_INSUFFICIENT_OUTPUT_PROTECTION;
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case ::V1_4::Status::ERROR_DRM_INSUFFICIENT_SECURITY:
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return ERROR_DRM_INSUFFICIENT_SECURITY;
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case ::V1_4::Status::ERROR_DRM_INVALID_STATE:
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return ERROR_DRM_INVALID_STATE;
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case ::V1_4::Status::ERROR_DRM_LICENSE_EXPIRED:
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return ERROR_DRM_LICENSE_EXPIRED;
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case ::V1_4::Status::ERROR_DRM_NO_LICENSE:
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return ERROR_DRM_NO_LICENSE;
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case ::V1_4::Status::ERROR_DRM_NOT_PROVISIONED:
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return ERROR_DRM_NOT_PROVISIONED;
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case ::V1_4::Status::ERROR_DRM_RESOURCE_BUSY:
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return ERROR_DRM_RESOURCE_BUSY;
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case ::V1_4::Status::ERROR_DRM_RESOURCE_CONTENTION:
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return ERROR_DRM_RESOURCE_CONTENTION;
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case ::V1_4::Status::ERROR_DRM_SESSION_LOST_STATE:
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return ERROR_DRM_SESSION_LOST_STATE;
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case ::V1_4::Status::ERROR_DRM_SESSION_NOT_OPENED:
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return ERROR_DRM_SESSION_NOT_OPENED;
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// New in S / drm@1.4:
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case ::V1_4::Status::CANNOT_DECRYPT_ZERO_SUBSAMPLES:
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return ERROR_DRM_ZERO_SUBSAMPLES;
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case ::V1_4::Status::CRYPTO_LIBRARY_ERROR:
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return ERROR_DRM_CRYPTO_LIBRARY;
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case ::V1_4::Status::GENERAL_OEM_ERROR:
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return ERROR_DRM_GENERIC_OEM;
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case ::V1_4::Status::GENERAL_PLUGIN_ERROR:
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return ERROR_DRM_GENERIC_PLUGIN;
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case ::V1_4::Status::INIT_DATA_INVALID:
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return ERROR_DRM_INIT_DATA;
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case ::V1_4::Status::KEY_NOT_LOADED:
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return ERROR_DRM_KEY_NOT_LOADED;
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case ::V1_4::Status::LICENSE_PARSE_ERROR:
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return ERROR_DRM_LICENSE_PARSE;
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case ::V1_4::Status::LICENSE_POLICY_ERROR:
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return ERROR_DRM_LICENSE_POLICY;
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case ::V1_4::Status::LICENSE_RELEASE_ERROR:
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return ERROR_DRM_LICENSE_RELEASE;
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case ::V1_4::Status::LICENSE_REQUEST_REJECTED:
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return ERROR_DRM_LICENSE_REQUEST_REJECTED;
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case ::V1_4::Status::LICENSE_RESTORE_ERROR:
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return ERROR_DRM_LICENSE_RESTORE;
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case ::V1_4::Status::LICENSE_STATE_ERROR:
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return ERROR_DRM_LICENSE_STATE;
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case ::V1_4::Status::MALFORMED_CERTIFICATE:
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return ERROR_DRM_CERTIFICATE_MALFORMED;
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case ::V1_4::Status::MEDIA_FRAMEWORK_ERROR:
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return ERROR_DRM_MEDIA_FRAMEWORK;
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case ::V1_4::Status::MISSING_CERTIFICATE:
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return ERROR_DRM_CERTIFICATE_MISSING;
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case ::V1_4::Status::PROVISIONING_CERTIFICATE_ERROR:
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return ERROR_DRM_PROVISIONING_CERTIFICATE;
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case ::V1_4::Status::PROVISIONING_CONFIGURATION_ERROR:
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return ERROR_DRM_PROVISIONING_CONFIG;
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case ::V1_4::Status::PROVISIONING_PARSE_ERROR:
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return ERROR_DRM_PROVISIONING_PARSE;
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case ::V1_4::Status::PROVISIONING_REQUEST_REJECTED:
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return ERROR_DRM_PROVISIONING_REQUEST_REJECTED;
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case ::V1_4::Status::RETRYABLE_PROVISIONING_ERROR:
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return ERROR_DRM_PROVISIONING_RETRY;
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case ::V1_4::Status::SECURE_STOP_RELEASE_ERROR:
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return ERROR_DRM_SECURE_STOP_RELEASE;
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case ::V1_4::Status::STORAGE_READ_FAILURE:
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return ERROR_DRM_STORAGE_READ;
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case ::V1_4::Status::STORAGE_WRITE_FAILURE:
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return ERROR_DRM_STORAGE_WRITE;
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case ::V1_4::Status::ERROR_DRM_UNKNOWN:
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default:
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return ERROR_DRM_UNKNOWN;
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}
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return ERROR_DRM_UNKNOWN;
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}
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namespace {
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char logPriorityToChar(::V1_4::LogPriority priority) {
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char p = 'U';
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switch (priority) {
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case ::V1_4::LogPriority::VERBOSE: p = 'V'; break;
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case ::V1_4::LogPriority::DEBUG: p = 'D'; break;
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case ::V1_4::LogPriority::INFO: p = 'I'; break;
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case ::V1_4::LogPriority::WARN: p = 'W'; break;
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case ::V1_4::LogPriority::ERROR: p = 'E'; break;
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case ::V1_4::LogPriority::FATAL: p = 'F'; break;
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default: p = 'U'; break;
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}
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return p;
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}
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} // namespace
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std::string GetExceptionMessage(status_t err, const char *msg,
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const Vector<::V1_4::LogMessage> &logs) {
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std::string ruler("==============================");
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std::string header("Beginning of DRM Plugin Log");
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std::string footer("End of DRM Plugin Log");
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String8 msg8;
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if (msg) {
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msg8 += msg;
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msg8 += ": ";
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}
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auto errStr = StrCryptoError(err);
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msg8 += errStr.c_str();
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msg8 += String8::format("\n%s %s %s", ruler.c_str(), header.c_str(), ruler.c_str());
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for (auto log : logs) {
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time_t seconds = log.timeMs / 1000;
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int ms = log.timeMs % 1000;
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char buf[64] = {0};
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std::string timeStr = "00-00 00:00:00";
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if (strftime(buf, sizeof buf, "%m-%d %H:%M:%S", std::localtime(&seconds))) {
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timeStr = buf;
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}
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char p = logPriorityToChar(log.priority);
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msg8 += String8::format("\n %s.%03d %c %s", timeStr.c_str(), ms, p, log.message.c_str());
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}
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msg8 += String8::format("\n%s %s %s", ruler.c_str(), footer.c_str(), ruler.c_str());
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return msg8.c_str();
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}
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void LogBuffer::addLog(const ::V1_4::LogMessage &log) {
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std::unique_lock<std::mutex> lock(mMutex);
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mBuffer.push_back(log);
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while (mBuffer.size() > MAX_CAPACITY) {
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mBuffer.pop_front();
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}
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}
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Vector<::V1_4::LogMessage> LogBuffer::getLogs() {
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std::unique_lock<std::mutex> lock(mMutex);
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Vector<::V1_4::LogMessage> logs;
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for (auto log : mBuffer) {
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logs.push_back(log);
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}
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return logs;
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}
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LogBuffer gLogBuf;
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} // namespace DrmUtils
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} // namespace android
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