forked from suyu/suyu
bed872ed38
If a malformed NSO is attempted to be loaded, we shouldn't continue onwards. We should be reporting an error and bailing out.
209 lines
7.1 KiB
C++
209 lines
7.1 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 <cinttypes>
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#include <cstring>
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#include "common/common_funcs.h"
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#include "common/file_util.h"
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#include "common/logging/log.h"
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#include "core/core.h"
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#include "core/file_sys/content_archive.h"
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#include "core/file_sys/control_metadata.h"
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#include "core/file_sys/patch_manager.h"
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#include "core/file_sys/romfs_factory.h"
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#include "core/gdbstub/gdbstub.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/service/filesystem/filesystem.h"
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#include "core/loader/deconstructed_rom_directory.h"
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#include "core/loader/nso.h"
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namespace Loader {
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AppLoader_DeconstructedRomDirectory::AppLoader_DeconstructedRomDirectory(FileSys::VirtualFile file_,
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bool override_update)
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: AppLoader(std::move(file_)), override_update(override_update) {
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const auto dir = file->GetContainingDirectory();
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// Title ID
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const auto npdm = dir->GetFile("main.npdm");
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if (npdm != nullptr) {
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const auto res = metadata.Load(npdm);
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if (res == ResultStatus::Success)
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title_id = metadata.GetTitleID();
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}
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// Icon
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FileSys::VirtualFile icon_file = nullptr;
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for (const auto& language : FileSys::LANGUAGE_NAMES) {
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icon_file = dir->GetFile("icon_" + std::string(language) + ".dat");
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if (icon_file != nullptr) {
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icon_data = icon_file->ReadAllBytes();
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break;
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}
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}
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if (icon_data.empty()) {
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// Any png, jpeg, or bmp file
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const auto& files = dir->GetFiles();
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const auto icon_iter =
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std::find_if(files.begin(), files.end(), [](const FileSys::VirtualFile& file) {
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return file->GetExtension() == "png" || file->GetExtension() == "jpg" ||
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file->GetExtension() == "bmp" || file->GetExtension() == "jpeg";
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});
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if (icon_iter != files.end())
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icon_data = (*icon_iter)->ReadAllBytes();
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}
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// Metadata
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FileSys::VirtualFile nacp_file = dir->GetFile("control.nacp");
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if (nacp_file == nullptr) {
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const auto& files = dir->GetFiles();
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const auto nacp_iter =
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std::find_if(files.begin(), files.end(), [](const FileSys::VirtualFile& file) {
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return file->GetExtension() == "nacp";
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});
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if (nacp_iter != files.end())
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nacp_file = *nacp_iter;
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}
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if (nacp_file != nullptr) {
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FileSys::NACP nacp(nacp_file);
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name = nacp.GetApplicationName();
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}
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}
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AppLoader_DeconstructedRomDirectory::AppLoader_DeconstructedRomDirectory(
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FileSys::VirtualDir directory, bool override_update)
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: AppLoader(directory->GetFile("main")), dir(std::move(directory)),
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override_update(override_update) {}
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FileType AppLoader_DeconstructedRomDirectory::IdentifyType(const FileSys::VirtualFile& file) {
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if (FileSys::IsDirectoryExeFS(file->GetContainingDirectory())) {
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return FileType::DeconstructedRomDirectory;
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}
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return FileType::Error;
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}
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ResultStatus AppLoader_DeconstructedRomDirectory::Load(Kernel::Process& process) {
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if (is_loaded) {
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return ResultStatus::ErrorAlreadyLoaded;
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}
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if (dir == nullptr) {
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if (file == nullptr)
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return ResultStatus::ErrorNullFile;
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dir = file->GetContainingDirectory();
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}
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// Read meta to determine title ID
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FileSys::VirtualFile npdm = dir->GetFile("main.npdm");
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if (npdm == nullptr)
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return ResultStatus::ErrorMissingNPDM;
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ResultStatus result = metadata.Load(npdm);
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if (result != ResultStatus::Success) {
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return result;
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}
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if (override_update) {
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const FileSys::PatchManager patch_manager(metadata.GetTitleID());
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dir = patch_manager.PatchExeFS(dir);
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}
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// Reread in case PatchExeFS affected the main.npdm
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npdm = dir->GetFile("main.npdm");
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if (npdm == nullptr)
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return ResultStatus::ErrorMissingNPDM;
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ResultStatus result2 = metadata.Load(npdm);
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if (result2 != ResultStatus::Success) {
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return result2;
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}
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metadata.Print();
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const FileSys::ProgramAddressSpaceType arch_bits{metadata.GetAddressSpaceType()};
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if (arch_bits == FileSys::ProgramAddressSpaceType::Is32Bit ||
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arch_bits == FileSys::ProgramAddressSpaceType::Is32BitNoMap) {
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return ResultStatus::Error32BitISA;
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}
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process.LoadFromMetadata(metadata);
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const FileSys::PatchManager pm(metadata.GetTitleID());
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// Load NSO modules
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const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
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VAddr next_load_addr = base_address;
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for (const auto& module : {"rtld", "main", "subsdk0", "subsdk1", "subsdk2", "subsdk3",
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"subsdk4", "subsdk5", "subsdk6", "subsdk7", "sdk"}) {
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const FileSys::VirtualFile module_file = dir->GetFile(module);
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if (module_file == nullptr) {
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continue;
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}
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const VAddr load_addr = next_load_addr;
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const bool should_pass_arguments = std::strcmp(module, "rtld") == 0;
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const auto tentative_next_load_addr =
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AppLoader_NSO::LoadModule(*module_file, load_addr, should_pass_arguments, pm);
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if (!tentative_next_load_addr) {
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return ResultStatus::ErrorLoadingNSO;
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}
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next_load_addr = *tentative_next_load_addr;
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LOG_DEBUG(Loader, "loaded module {} @ 0x{:X}", module, load_addr);
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// Register module with GDBStub
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GDBStub::RegisterModule(module, load_addr, next_load_addr - 1, false);
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}
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process.Run(base_address, metadata.GetMainThreadPriority(), metadata.GetMainThreadStackSize());
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// Find the RomFS by searching for a ".romfs" file in this directory
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const auto& files = dir->GetFiles();
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const auto romfs_iter =
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std::find_if(files.begin(), files.end(), [](const FileSys::VirtualFile& file) {
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return file->GetName().find(".romfs") != std::string::npos;
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});
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// Register the RomFS if a ".romfs" file was found
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if (romfs_iter != files.end() && *romfs_iter != nullptr) {
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romfs = *romfs_iter;
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Service::FileSystem::RegisterRomFS(std::make_unique<FileSys::RomFSFactory>(*this));
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}
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is_loaded = true;
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return ResultStatus::Success;
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}
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ResultStatus AppLoader_DeconstructedRomDirectory::ReadRomFS(FileSys::VirtualFile& dir) {
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if (romfs == nullptr)
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return ResultStatus::ErrorNoRomFS;
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dir = romfs;
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return ResultStatus::Success;
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}
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ResultStatus AppLoader_DeconstructedRomDirectory::ReadIcon(std::vector<u8>& buffer) {
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if (icon_data.empty())
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return ResultStatus::ErrorNoIcon;
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buffer = icon_data;
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return ResultStatus::Success;
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}
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ResultStatus AppLoader_DeconstructedRomDirectory::ReadProgramId(u64& out_program_id) {
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out_program_id = title_id;
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return ResultStatus::Success;
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}
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ResultStatus AppLoader_DeconstructedRomDirectory::ReadTitle(std::string& title) {
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if (name.empty())
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return ResultStatus::ErrorNoControl;
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title = name;
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return ResultStatus::Success;
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}
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bool AppLoader_DeconstructedRomDirectory::IsRomFSUpdatable() const {
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return false;
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}
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} // namespace Loader
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