c823cf6594
This corrects cases where it was possible to write more entries into the write buffer than were requested. Now, we check the size of the buffer before actually writing into them. We were also returning the wrong value for GetAvailableLanguageCodeCount2(). This was previously returning 64, but only 17 should have been returned. 64 entries is the size of the static array used in MakeLanguageCode() within the service binary itself, but isn't the actual total number of language codes present.
127 lines
3.9 KiB
C++
127 lines
3.9 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 <algorithm>
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#include <chrono>
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#include "common/logging/log.h"
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/service/set/set.h"
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#include "core/settings.h"
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namespace Service::Set {
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namespace {
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constexpr std::array<LanguageCode, 17> available_language_codes = {{
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LanguageCode::JA,
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LanguageCode::EN_US,
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LanguageCode::FR,
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LanguageCode::DE,
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LanguageCode::IT,
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LanguageCode::ES,
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LanguageCode::ZH_CN,
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LanguageCode::KO,
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LanguageCode::NL,
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LanguageCode::PT,
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LanguageCode::RU,
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LanguageCode::ZH_TW,
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LanguageCode::EN_GB,
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LanguageCode::FR_CA,
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LanguageCode::ES_419,
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LanguageCode::ZH_HANS,
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LanguageCode::ZH_HANT,
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}};
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constexpr std::size_t pre4_0_0_max_entries = 15;
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constexpr std::size_t post4_0_0_max_entries = 17;
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constexpr ResultCode ERR_INVALID_LANGUAGE{ErrorModule::Settings, 625};
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void PushResponseLanguageCode(Kernel::HLERequestContext& ctx, std::size_t num_language_codes) {
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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>(num_language_codes));
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}
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void GetAvailableLanguageCodesImpl(Kernel::HLERequestContext& ctx, std::size_t max_size) {
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const std::size_t requested_amount = ctx.GetWriteBufferSize() / sizeof(LanguageCode);
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const std::size_t copy_amount = std::min(requested_amount, max_size);
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const std::size_t copy_size = copy_amount * sizeof(LanguageCode);
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ctx.WriteBuffer(available_language_codes.data(), copy_size);
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PushResponseLanguageCode(ctx, copy_amount);
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}
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} // Anonymous namespace
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LanguageCode GetLanguageCodeFromIndex(std::size_t index) {
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return available_language_codes.at(index);
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}
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void SET::GetAvailableLanguageCodes(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_SET, "called");
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GetAvailableLanguageCodesImpl(ctx, pre4_0_0_max_entries);
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}
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void SET::MakeLanguageCode(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto index = rp.Pop<u32>();
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if (index >= available_language_codes.size()) {
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERR_INVALID_LANGUAGE);
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return;
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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.PushEnum(available_language_codes[index]);
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}
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void SET::GetAvailableLanguageCodes2(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_SET, "called");
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GetAvailableLanguageCodesImpl(ctx, post4_0_0_max_entries);
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}
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void SET::GetAvailableLanguageCodeCount(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_SET, "called");
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PushResponseLanguageCode(ctx, pre4_0_0_max_entries);
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}
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void SET::GetAvailableLanguageCodeCount2(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_SET, "called");
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PushResponseLanguageCode(ctx, post4_0_0_max_entries);
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}
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void SET::GetLanguageCode(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_SET, "called {}", Settings::values.language_index);
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IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
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rb.PushEnum(available_language_codes[Settings::values.language_index]);
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}
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SET::SET() : ServiceFramework("set") {
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// clang-format off
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static const FunctionInfo functions[] = {
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{0, &SET::GetLanguageCode, "GetLanguageCode"},
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{1, &SET::GetAvailableLanguageCodes, "GetAvailableLanguageCodes"},
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{2, &SET::MakeLanguageCode, "MakeLanguageCode"},
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{3, &SET::GetAvailableLanguageCodeCount, "GetAvailableLanguageCodeCount"},
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{4, nullptr, "GetRegionCode"},
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{5, &SET::GetAvailableLanguageCodes2, "GetAvailableLanguageCodes2"},
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{6, &SET::GetAvailableLanguageCodeCount2, "GetAvailableLanguageCodeCount2"},
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{7, nullptr, "GetKeyCodeMap"},
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{8, nullptr, "GetQuestFlag"},
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{9, nullptr, "GetKeyCodeMap2"},
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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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SET::~SET() = default;
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} // namespace Service::Set
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