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9046d4a548
* kernel: Replace usage of boost::intrusive_ptr with std::shared_ptr for kernel objects. - See https://github.com/citra-emu/citra/pull/4710 for details.
594 lines
21 KiB
C++
594 lines
21 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cctype>
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#include <mbedtls/md5.h>
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#include "backend/boxcat.h"
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#include "common/hex_util.h"
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#include "common/logging/log.h"
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#include "common/string_util.h"
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#include "core/file_sys/vfs.h"
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/readable_event.h"
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#include "core/hle/kernel/writable_event.h"
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#include "core/hle/service/bcat/backend/backend.h"
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#include "core/hle/service/bcat/bcat.h"
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#include "core/hle/service/bcat/module.h"
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#include "core/hle/service/filesystem/filesystem.h"
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#include "core/settings.h"
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namespace Service::BCAT {
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constexpr ResultCode ERROR_INVALID_ARGUMENT{ErrorModule::BCAT, 1};
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constexpr ResultCode ERROR_FAILED_OPEN_ENTITY{ErrorModule::BCAT, 2};
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constexpr ResultCode ERROR_ENTITY_ALREADY_OPEN{ErrorModule::BCAT, 6};
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constexpr ResultCode ERROR_NO_OPEN_ENTITY{ErrorModule::BCAT, 7};
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// The command to clear the delivery cache just calls fs IFileSystem DeleteFile on all of the files
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// and if any of them have a non-zero result it just forwards that result. This is the FS error code
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// for permission denied, which is the closest approximation of this scenario.
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constexpr ResultCode ERROR_FAILED_CLEAR_CACHE{ErrorModule::FS, 6400};
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using BCATDigest = std::array<u8, 0x10>;
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namespace {
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u64 GetCurrentBuildID(const Core::System::CurrentBuildProcessID& id) {
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u64 out{};
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std::memcpy(&out, id.data(), sizeof(u64));
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return out;
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}
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// The digest is only used to determine if a file is unique compared to others of the same name.
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// Since the algorithm isn't ever checked in game, MD5 is safe.
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BCATDigest DigestFile(const FileSys::VirtualFile& file) {
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BCATDigest out{};
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const auto bytes = file->ReadAllBytes();
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mbedtls_md5_ret(bytes.data(), bytes.size(), out.data());
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return out;
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}
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// For a name to be valid it must be non-empty, must have a null terminating character as the final
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// char, can only contain numbers, letters, underscores and a hyphen if directory and a period if
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// file.
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bool VerifyNameValidInternal(Kernel::HLERequestContext& ctx, std::array<char, 0x20> name,
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char match_char) {
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const auto null_chars = std::count(name.begin(), name.end(), 0);
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const auto bad_chars = std::count_if(name.begin(), name.end(), [match_char](char c) {
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return !std::isalnum(static_cast<u8>(c)) && c != '_' && c != match_char && c != '\0';
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});
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if (null_chars == 0x20 || null_chars == 0 || bad_chars != 0 || name[0x1F] != '\0') {
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LOG_ERROR(Service_BCAT, "Name passed was invalid!");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_INVALID_ARGUMENT);
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return false;
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}
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return true;
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}
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bool VerifyNameValidDir(Kernel::HLERequestContext& ctx, DirectoryName name) {
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return VerifyNameValidInternal(ctx, name, '-');
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}
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bool VerifyNameValidFile(Kernel::HLERequestContext& ctx, FileName name) {
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return VerifyNameValidInternal(ctx, name, '.');
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}
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} // Anonymous namespace
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struct DeliveryCacheDirectoryEntry {
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FileName name;
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u64 size;
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BCATDigest digest;
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};
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class IDeliveryCacheProgressService final : public ServiceFramework<IDeliveryCacheProgressService> {
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public:
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IDeliveryCacheProgressService(std::shared_ptr<Kernel::ReadableEvent> event,
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const DeliveryCacheProgressImpl& impl)
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: ServiceFramework{"IDeliveryCacheProgressService"}, event(std::move(event)), impl(impl) {
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// clang-format off
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static const FunctionInfo functions[] = {
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{0, &IDeliveryCacheProgressService::GetEvent, "GetEvent"},
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{1, &IDeliveryCacheProgressService::GetImpl, "GetImpl"},
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};
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// clang-format on
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RegisterHandlers(functions);
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}
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private:
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void GetEvent(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_BCAT, "called");
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IPC::ResponseBuilder rb{ctx, 2, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushCopyObjects(event);
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}
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void GetImpl(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_BCAT, "called");
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ctx.WriteBuffer(&impl, sizeof(DeliveryCacheProgressImpl));
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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std::shared_ptr<Kernel::ReadableEvent> event;
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const DeliveryCacheProgressImpl& impl;
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};
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class IBcatService final : public ServiceFramework<IBcatService> {
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public:
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explicit IBcatService(Core::System& system_, Backend& backend_)
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: ServiceFramework("IBcatService"), system{system_}, backend{backend_},
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progress{{
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ProgressServiceBackend{system_.Kernel(), "Normal"},
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ProgressServiceBackend{system_.Kernel(), "Directory"},
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}} {
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// clang-format off
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static const FunctionInfo functions[] = {
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{10100, &IBcatService::RequestSyncDeliveryCache, "RequestSyncDeliveryCache"},
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{10101, &IBcatService::RequestSyncDeliveryCacheWithDirectoryName, "RequestSyncDeliveryCacheWithDirectoryName"},
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{10200, nullptr, "CancelSyncDeliveryCacheRequest"},
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{20100, nullptr, "RequestSyncDeliveryCacheWithApplicationId"},
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{20101, nullptr, "RequestSyncDeliveryCacheWithApplicationIdAndDirectoryName"},
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{30100, &IBcatService::SetPassphrase, "SetPassphrase"},
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{30200, nullptr, "RegisterBackgroundDeliveryTask"},
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{30201, nullptr, "UnregisterBackgroundDeliveryTask"},
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{30202, nullptr, "BlockDeliveryTask"},
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{30203, nullptr, "UnblockDeliveryTask"},
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{90100, nullptr, "EnumerateBackgroundDeliveryTask"},
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{90200, nullptr, "GetDeliveryList"},
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{90201, &IBcatService::ClearDeliveryCacheStorage, "ClearDeliveryCacheStorage"},
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{90300, nullptr, "GetPushNotificationLog"},
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};
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// clang-format on
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RegisterHandlers(functions);
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}
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private:
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enum class SyncType {
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Normal,
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Directory,
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Count,
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};
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std::shared_ptr<IDeliveryCacheProgressService> CreateProgressService(SyncType type) {
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auto& backend{progress.at(static_cast<std::size_t>(type))};
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return std::make_shared<IDeliveryCacheProgressService>(backend.GetEvent(),
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backend.GetImpl());
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}
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void RequestSyncDeliveryCache(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_BCAT, "called");
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backend.Synchronize({system.CurrentProcess()->GetTitleID(),
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GetCurrentBuildID(system.GetCurrentProcessBuildID())},
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progress.at(static_cast<std::size_t>(SyncType::Normal)));
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushIpcInterface(CreateProgressService(SyncType::Normal));
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}
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void RequestSyncDeliveryCacheWithDirectoryName(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto name_raw = rp.PopRaw<DirectoryName>();
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const auto name =
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Common::StringFromFixedZeroTerminatedBuffer(name_raw.data(), name_raw.size());
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LOG_DEBUG(Service_BCAT, "called, name={}", name);
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backend.SynchronizeDirectory({system.CurrentProcess()->GetTitleID(),
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GetCurrentBuildID(system.GetCurrentProcessBuildID())},
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name,
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progress.at(static_cast<std::size_t>(SyncType::Directory)));
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushIpcInterface(CreateProgressService(SyncType::Directory));
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}
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void SetPassphrase(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto title_id = rp.PopRaw<u64>();
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const auto passphrase_raw = ctx.ReadBuffer();
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LOG_DEBUG(Service_BCAT, "called, title_id={:016X}, passphrase={}", title_id,
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Common::HexToString(passphrase_raw));
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if (title_id == 0) {
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LOG_ERROR(Service_BCAT, "Invalid title ID!");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_INVALID_ARGUMENT);
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}
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if (passphrase_raw.size() > 0x40) {
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LOG_ERROR(Service_BCAT, "Passphrase too large!");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_INVALID_ARGUMENT);
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return;
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}
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Passphrase passphrase{};
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std::memcpy(passphrase.data(), passphrase_raw.data(),
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std::min(passphrase.size(), passphrase_raw.size()));
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backend.SetPassphrase(title_id, passphrase);
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void ClearDeliveryCacheStorage(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto title_id = rp.PopRaw<u64>();
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LOG_DEBUG(Service_BCAT, "called, title_id={:016X}", title_id);
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if (title_id == 0) {
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LOG_ERROR(Service_BCAT, "Invalid title ID!");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_INVALID_ARGUMENT);
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return;
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}
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if (!backend.Clear(title_id)) {
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LOG_ERROR(Service_BCAT, "Could not clear the directory successfully!");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_FAILED_CLEAR_CACHE);
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return;
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}
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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Core::System& system;
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Backend& backend;
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std::array<ProgressServiceBackend, static_cast<std::size_t>(SyncType::Count)> progress;
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};
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void Module::Interface::CreateBcatService(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_BCAT, "called");
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushIpcInterface<IBcatService>(system, *backend);
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}
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class IDeliveryCacheFileService final : public ServiceFramework<IDeliveryCacheFileService> {
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public:
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IDeliveryCacheFileService(FileSys::VirtualDir root_)
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: ServiceFramework{"IDeliveryCacheFileService"}, root(std::move(root_)) {
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// clang-format off
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static const FunctionInfo functions[] = {
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{0, &IDeliveryCacheFileService::Open, "Open"},
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{1, &IDeliveryCacheFileService::Read, "Read"},
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{2, &IDeliveryCacheFileService::GetSize, "GetSize"},
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{3, &IDeliveryCacheFileService::GetDigest, "GetDigest"},
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};
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// clang-format on
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RegisterHandlers(functions);
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}
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private:
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void Open(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto dir_name_raw = rp.PopRaw<DirectoryName>();
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const auto file_name_raw = rp.PopRaw<FileName>();
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const auto dir_name =
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Common::StringFromFixedZeroTerminatedBuffer(dir_name_raw.data(), dir_name_raw.size());
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const auto file_name =
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Common::StringFromFixedZeroTerminatedBuffer(file_name_raw.data(), file_name_raw.size());
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LOG_DEBUG(Service_BCAT, "called, dir_name={}, file_name={}", dir_name, file_name);
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if (!VerifyNameValidDir(ctx, dir_name_raw) || !VerifyNameValidFile(ctx, file_name_raw))
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return;
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if (current_file != nullptr) {
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LOG_ERROR(Service_BCAT, "A file has already been opened on this interface!");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_ENTITY_ALREADY_OPEN);
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return;
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}
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const auto dir = root->GetSubdirectory(dir_name);
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if (dir == nullptr) {
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LOG_ERROR(Service_BCAT, "The directory of name={} couldn't be opened!", dir_name);
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_FAILED_OPEN_ENTITY);
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return;
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}
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current_file = dir->GetFile(file_name);
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if (current_file == nullptr) {
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LOG_ERROR(Service_BCAT, "The file of name={} couldn't be opened!", file_name);
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_FAILED_OPEN_ENTITY);
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return;
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}
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void Read(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto offset{rp.PopRaw<u64>()};
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auto size = ctx.GetWriteBufferSize();
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LOG_DEBUG(Service_BCAT, "called, offset={:016X}, size={:016X}", offset, size);
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if (current_file == nullptr) {
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LOG_ERROR(Service_BCAT, "There is no file currently open!");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_NO_OPEN_ENTITY);
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}
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size = std::min<u64>(current_file->GetSize() - offset, size);
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const auto buffer = current_file->ReadBytes(size, offset);
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ctx.WriteBuffer(buffer);
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IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u64>(buffer.size());
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}
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void GetSize(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_BCAT, "called");
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if (current_file == nullptr) {
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LOG_ERROR(Service_BCAT, "There is no file currently open!");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_NO_OPEN_ENTITY);
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}
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IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u64>(current_file->GetSize());
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}
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void GetDigest(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_BCAT, "called");
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if (current_file == nullptr) {
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LOG_ERROR(Service_BCAT, "There is no file currently open!");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_NO_OPEN_ENTITY);
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}
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IPC::ResponseBuilder rb{ctx, 6};
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rb.Push(RESULT_SUCCESS);
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rb.PushRaw(DigestFile(current_file));
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}
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FileSys::VirtualDir root;
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FileSys::VirtualFile current_file;
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};
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class IDeliveryCacheDirectoryService final
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: public ServiceFramework<IDeliveryCacheDirectoryService> {
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public:
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IDeliveryCacheDirectoryService(FileSys::VirtualDir root_)
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: ServiceFramework{"IDeliveryCacheDirectoryService"}, root(std::move(root_)) {
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// clang-format off
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static const FunctionInfo functions[] = {
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{0, &IDeliveryCacheDirectoryService::Open, "Open"},
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{1, &IDeliveryCacheDirectoryService::Read, "Read"},
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{2, &IDeliveryCacheDirectoryService::GetCount, "GetCount"},
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};
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// clang-format on
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RegisterHandlers(functions);
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}
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private:
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void Open(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto name_raw = rp.PopRaw<DirectoryName>();
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const auto name =
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Common::StringFromFixedZeroTerminatedBuffer(name_raw.data(), name_raw.size());
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LOG_DEBUG(Service_BCAT, "called, name={}", name);
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if (!VerifyNameValidDir(ctx, name_raw))
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return;
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if (current_dir != nullptr) {
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LOG_ERROR(Service_BCAT, "A file has already been opened on this interface!");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_ENTITY_ALREADY_OPEN);
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return;
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}
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current_dir = root->GetSubdirectory(name);
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if (current_dir == nullptr) {
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LOG_ERROR(Service_BCAT, "Failed to open the directory name={}!", name);
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_FAILED_OPEN_ENTITY);
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return;
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}
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void Read(Kernel::HLERequestContext& ctx) {
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auto write_size = ctx.GetWriteBufferSize() / sizeof(DeliveryCacheDirectoryEntry);
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LOG_DEBUG(Service_BCAT, "called, write_size={:016X}", write_size);
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if (current_dir == nullptr) {
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LOG_ERROR(Service_BCAT, "There is no open directory!");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_NO_OPEN_ENTITY);
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return;
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}
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const auto files = current_dir->GetFiles();
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write_size = std::min<u64>(write_size, files.size());
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std::vector<DeliveryCacheDirectoryEntry> entries(write_size);
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std::transform(
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files.begin(), files.begin() + write_size, entries.begin(), [](const auto& file) {
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FileName name{};
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std::memcpy(name.data(), file->GetName().data(),
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std::min(file->GetName().size(), name.size()));
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return DeliveryCacheDirectoryEntry{name, file->GetSize(), DigestFile(file)};
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});
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ctx.WriteBuffer(entries);
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.Push(static_cast<u32>(write_size * sizeof(DeliveryCacheDirectoryEntry)));
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}
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void GetCount(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_BCAT, "called");
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if (current_dir == nullptr) {
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LOG_ERROR(Service_BCAT, "There is no open directory!");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_NO_OPEN_ENTITY);
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return;
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}
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const auto files = current_dir->GetFiles();
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.Push(static_cast<u32>(files.size()));
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}
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FileSys::VirtualDir root;
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FileSys::VirtualDir current_dir;
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};
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class IDeliveryCacheStorageService final : public ServiceFramework<IDeliveryCacheStorageService> {
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public:
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IDeliveryCacheStorageService(FileSys::VirtualDir root_)
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: ServiceFramework{"IDeliveryCacheStorageService"}, root(std::move(root_)) {
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// clang-format off
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static const FunctionInfo functions[] = {
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{0, &IDeliveryCacheStorageService::CreateFileService, "CreateFileService"},
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{1, &IDeliveryCacheStorageService::CreateDirectoryService, "CreateDirectoryService"},
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{10, &IDeliveryCacheStorageService::EnumerateDeliveryCacheDirectory, "EnumerateDeliveryCacheDirectory"},
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};
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// clang-format on
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RegisterHandlers(functions);
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for (const auto& subdir : root->GetSubdirectories()) {
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DirectoryName name{};
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std::memcpy(name.data(), subdir->GetName().data(),
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std::min(sizeof(DirectoryName) - 1, subdir->GetName().size()));
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entries.push_back(name);
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}
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}
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private:
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void CreateFileService(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_BCAT, "called");
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushIpcInterface<IDeliveryCacheFileService>(root);
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}
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void CreateDirectoryService(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_BCAT, "called");
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushIpcInterface<IDeliveryCacheDirectoryService>(root);
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}
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void EnumerateDeliveryCacheDirectory(Kernel::HLERequestContext& ctx) {
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auto size = ctx.GetWriteBufferSize() / sizeof(DirectoryName);
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LOG_DEBUG(Service_BCAT, "called, size={:016X}", size);
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size = std::min<u64>(size, entries.size() - next_read_index);
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ctx.WriteBuffer(entries.data() + next_read_index, size * sizeof(DirectoryName));
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next_read_index += size;
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|
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.Push(static_cast<u32>(size));
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|
}
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|
|
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FileSys::VirtualDir root;
|
|
std::vector<DirectoryName> entries;
|
|
u64 next_read_index = 0;
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|
};
|
|
|
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void Module::Interface::CreateDeliveryCacheStorageService(Kernel::HLERequestContext& ctx) {
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|
LOG_DEBUG(Service_BCAT, "called");
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|
|
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
|
|
rb.Push(RESULT_SUCCESS);
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|
rb.PushIpcInterface<IDeliveryCacheStorageService>(
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|
fsc.GetBCATDirectory(system.CurrentProcess()->GetTitleID()));
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}
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|
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void Module::Interface::CreateDeliveryCacheStorageServiceWithApplicationId(
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|
Kernel::HLERequestContext& ctx) {
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|
IPC::RequestParser rp{ctx};
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|
const auto title_id = rp.PopRaw<u64>();
|
|
|
|
LOG_DEBUG(Service_BCAT, "called, title_id={:016X}", title_id);
|
|
|
|
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
|
|
rb.Push(RESULT_SUCCESS);
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|
rb.PushIpcInterface<IDeliveryCacheStorageService>(fsc.GetBCATDirectory(title_id));
|
|
}
|
|
|
|
std::unique_ptr<Backend> CreateBackendFromSettings([[maybe_unused]] Core::System& system,
|
|
DirectoryGetter getter) {
|
|
#ifdef YUZU_ENABLE_BOXCAT
|
|
if (Settings::values.bcat_backend == "boxcat") {
|
|
return std::make_unique<Boxcat>(system.GetAppletManager(), std::move(getter));
|
|
}
|
|
#endif
|
|
|
|
return std::make_unique<NullBackend>(std::move(getter));
|
|
}
|
|
|
|
Module::Interface::Interface(Core::System& system_, std::shared_ptr<Module> module_,
|
|
FileSystem::FileSystemController& fsc_, const char* name)
|
|
: ServiceFramework(name), fsc{fsc_}, module{std::move(module_)},
|
|
backend{CreateBackendFromSettings(system_,
|
|
[&fsc_](u64 tid) { return fsc_.GetBCATDirectory(tid); })},
|
|
system{system_} {}
|
|
|
|
Module::Interface::~Interface() = default;
|
|
|
|
void InstallInterfaces(Core::System& system) {
|
|
auto module = std::make_shared<Module>();
|
|
std::make_shared<BCAT>(system, module, system.GetFileSystemController(), "bcat:a")
|
|
->InstallAsService(system.ServiceManager());
|
|
std::make_shared<BCAT>(system, module, system.GetFileSystemController(), "bcat:m")
|
|
->InstallAsService(system.ServiceManager());
|
|
std::make_shared<BCAT>(system, module, system.GetFileSystemController(), "bcat:u")
|
|
->InstallAsService(system.ServiceManager());
|
|
std::make_shared<BCAT>(system, module, system.GetFileSystemController(), "bcat:s")
|
|
->InstallAsService(system.ServiceManager());
|
|
}
|
|
|
|
} // namespace Service::BCAT
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