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@ -1,438 +1,438 @@
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/*
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* Copyright (c) 2018-2019 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <map>
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#include <memory>
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#include <mutex>
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#include <switch.h>
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#include <stratosphere.hpp>
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#include "fsmitm_service.hpp"
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#include "fs_shim.h"
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#include "../utils.hpp"
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#include "fsmitm_boot0storage.hpp"
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#include "fsmitm_romstorage.hpp"
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#include "fsmitm_layeredrom.hpp"
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#include "fs_dir_utils.hpp"
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#include "fs_save_utils.hpp"
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#include "fs_subdirectory_filesystem.hpp"
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#include "fs_directory_savedata_filesystem.hpp"
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#include "../debug.hpp"
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static HosMutex g_StorageCacheLock;
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static std::unordered_map<u64, std::weak_ptr<IStorageInterface>> g_StorageCache;
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static bool StorageCacheGetEntry(u64 title_id, std::shared_ptr<IStorageInterface> *out) {
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std::scoped_lock<HosMutex> lock(g_StorageCacheLock);
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if (g_StorageCache.find(title_id) == g_StorageCache.end()) {
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return false;
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}
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auto intf = g_StorageCache[title_id].lock();
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if (intf != nullptr) {
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*out = intf;
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return true;
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}
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return false;
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}
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static void StorageCacheSetEntry(u64 title_id, std::shared_ptr<IStorageInterface> *ptr) {
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std::scoped_lock<HosMutex> lock(g_StorageCacheLock);
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/* Ensure we always use the cached copy if present. */
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if (g_StorageCache.find(title_id) != g_StorageCache.end()) {
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auto intf = g_StorageCache[title_id].lock();
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if (intf != nullptr) {
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*ptr = intf;
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}
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}
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g_StorageCache[title_id] = *ptr;
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}
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void FsMitmService::PostProcess(IMitmServiceObject *obj, IpcResponseContext *ctx) {
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auto this_ptr = static_cast<FsMitmService *>(obj);
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switch ((FspSrvCmd)ctx->cmd_id) {
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case FspSrvCmd_SetCurrentProcess:
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if (R_SUCCEEDED(ctx->rc)) {
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this_ptr->has_initialized = true;
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this_ptr->process_id = ctx->request.Pid;
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this_ptr->title_id = this_ptr->process_id;
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if (R_FAILED(MitmQueryUtils::GetAssociatedTidForPid(this_ptr->process_id, &this_ptr->title_id))) {
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/* Log here, if desired. */
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}
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break;
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}
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break;
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default:
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break;
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}
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}
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Result FsMitmService::OpenHblWebContentFileSystem(Out<std::shared_ptr<IFileSystemInterface>> &out_fs) {
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std::shared_ptr<IFileSystemInterface> fs = nullptr;
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u32 out_domain_id = 0;
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Result rc = ResultSuccess;
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ON_SCOPE_EXIT {
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if (R_SUCCEEDED(rc)) {
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out_fs.SetValue(std::move(fs));
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if (out_fs.IsDomain()) {
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out_fs.ChangeObjectId(out_domain_id);
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}
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}
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};
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/* Mount the SD card using fs.mitm's session. */
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FsFileSystem sd_fs;
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rc = fsMountSdcard(&sd_fs);
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if (R_SUCCEEDED(rc)) {
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std::unique_ptr<IFileSystem> web_ifs = std::make_unique<SubDirectoryFileSystem>(std::make_shared<ProxyFileSystem>(sd_fs), AtmosphereHblWebContentDir);
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fs = std::make_shared<IFileSystemInterface>(std::move(web_ifs));
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if (out_fs.IsDomain()) {
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out_domain_id = sd_fs.s.object_id;
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}
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}
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return rc;
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}
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Result FsMitmService::OpenFileSystemWithPatch(Out<std::shared_ptr<IFileSystemInterface>> out_fs, u64 title_id, u32 filesystem_type) {
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/* Check for eligibility. */
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{
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FsDir d;
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if (!Utils::IsWebAppletTid(this->title_id) || filesystem_type != FsFileSystemType_ContentManual || !Utils::IsHblTid(title_id) ||
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R_FAILED(Utils::OpenSdDir(AtmosphereHblWebContentDir, &d))) {
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return ResultAtmosphereMitmShouldForwardToSession;
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}
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fsDirClose(&d);
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}
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/* If there's an existing filesystem, don't override. */
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/* TODO: Multiplex, overriding existing content with HBL content. */
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{
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FsFileSystem fs;
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if (R_SUCCEEDED(fsOpenFileSystemWithPatchFwd(this->forward_service.get(), &fs, title_id, static_cast<FsFileSystemType>(filesystem_type)))) {
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fsFsClose(&fs);
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return ResultAtmosphereMitmShouldForwardToSession;
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}
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}
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return this->OpenHblWebContentFileSystem(out_fs);
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}
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Result FsMitmService::OpenFileSystemWithId(Out<std::shared_ptr<IFileSystemInterface>> out_fs, InPointer<char> path, u64 title_id, u32 filesystem_type) {
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/* Check for eligibility. */
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{
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FsDir d;
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if (!Utils::IsWebAppletTid(this->title_id) || filesystem_type != FsFileSystemType_ContentManual || !Utils::IsHblTid(title_id) ||
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R_FAILED(Utils::OpenSdDir(AtmosphereHblWebContentDir, &d))) {
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return ResultAtmosphereMitmShouldForwardToSession;
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}
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fsDirClose(&d);
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}
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/* If there's an existing filesystem, don't override. */
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/* TODO: Multiplex, overriding existing content with HBL content. */
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{
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FsFileSystem fs;
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if (R_SUCCEEDED(fsOpenFileSystemWithIdFwd(this->forward_service.get(), &fs, title_id, static_cast<FsFileSystemType>(filesystem_type), path.pointer))) {
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fsFsClose(&fs);
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return ResultAtmosphereMitmShouldForwardToSession;
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}
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}
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return this->OpenHblWebContentFileSystem(out_fs);
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}
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Result FsMitmService::OpenSaveDataFileSystem(Out<std::shared_ptr<IFileSystemInterface>> out_fs, u8 space_id, FsSave save_struct) {
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const bool has_sd_save_flags = Utils::HasFlag(this->title_id, "sd_save");
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bool should_redirect_saves = false;
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if (R_FAILED(Utils::GetSettingsItemBooleanValue("atmosphere", "fsmitm_redirect_saves_to_sd", &should_redirect_saves))) {
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return ResultAtmosphereMitmShouldForwardToSession;
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}
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if (!has_sd_save_flags) {
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should_redirect_saves = false;
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}
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/* For now, until we're sure this is robust, only intercept normal savedata. */
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if (!should_redirect_saves || save_struct.SaveDataType != FsSaveDataType_SaveData) {
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return ResultAtmosphereMitmShouldForwardToSession;
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}
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/* Verify we can open the save. */
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FsFileSystem save_fs;
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if (R_FAILED(fsOpenSaveDataFileSystemFwd(this->forward_service.get(), &save_fs, space_id, &save_struct))) {
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return ResultAtmosphereMitmShouldForwardToSession;
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}
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std::unique_ptr<IFileSystem> save_ifs = std::make_unique<ProxyFileSystem>(save_fs);
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{
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std::shared_ptr<IFileSystemInterface> fs = nullptr;
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u32 out_domain_id = 0;
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Result rc = ResultSuccess;
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ON_SCOPE_EXIT {
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if (R_SUCCEEDED(rc)) {
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out_fs.SetValue(std::move(fs));
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if (out_fs.IsDomain()) {
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out_fs.ChangeObjectId(out_domain_id);
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}
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}
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};
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/* Mount the SD card using fs.mitm's session. */
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FsFileSystem sd_fs;
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if (R_FAILED((rc = fsMountSdcard(&sd_fs)))) {
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return rc;
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}
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std::shared_ptr<IFileSystem> sd_ifs = std::make_shared<ProxyFileSystem>(sd_fs);
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/* Verify that we can open the save directory, and that it exists. */
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const u64 target_tid = save_struct.titleID == 0 ? this->title_id : save_struct.titleID;
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FsPath save_dir_path;
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if (R_FAILED((rc = FsSaveUtils::GetSaveDataDirectoryPath(save_dir_path, space_id, save_struct.SaveDataType, target_tid, save_struct.userID, save_struct.saveID)))) {
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return rc;
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}
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/* Check if this is the first time we're making the save. */
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bool is_new_save = false;
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{
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DirectoryEntryType ent;
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if (sd_ifs->GetEntryType(&ent, save_dir_path) == ResultFsPathNotFound) {
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is_new_save = true;
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}
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}
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/* Ensure the directory exists. */
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if (R_FAILED((rc = FsDirUtils::EnsureDirectoryExists(sd_ifs.get(), save_dir_path)))) {
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return rc;
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}
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std::shared_ptr<DirectorySaveDataFileSystem> dirsave_ifs = std::make_shared<DirectorySaveDataFileSystem>(new SubDirectoryFileSystem(sd_ifs, save_dir_path.str), std::move(save_ifs));
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/* If it's the first time we're making the save, copy existing savedata over. */
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if (is_new_save) {
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/* TODO: Check error? */
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dirsave_ifs->CopySaveFromProxy();
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}
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fs = std::make_shared<IFileSystemInterface>(static_cast<std::shared_ptr<IFileSystem>>(dirsave_ifs));
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if (out_fs.IsDomain()) {
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out_domain_id = sd_fs.s.object_id;
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}
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return rc;
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}
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}
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/* Gate access to the BIS partitions. */
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Result FsMitmService::OpenBisStorage(Out<std::shared_ptr<IStorageInterface>> out_storage, u32 bis_partition_id) {
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std::shared_ptr<IStorageInterface> storage = nullptr;
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u32 out_domain_id = 0;
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Result rc = ResultSuccess;
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ON_SCOPE_EXIT {
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if (R_SUCCEEDED(rc)) {
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out_storage.SetValue(std::move(storage));
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if (out_storage.IsDomain()) {
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out_storage.ChangeObjectId(out_domain_id);
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}
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}
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};
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{
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FsStorage bis_storage;
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rc = fsOpenBisStorageFwd(this->forward_service.get(), &bis_storage, bis_partition_id);
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if (R_SUCCEEDED(rc)) {
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const bool is_sysmodule = TitleIdIsSystem(this->title_id);
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const bool has_bis_write_flag = Utils::HasFlag(this->title_id, "bis_write");
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const bool has_cal0_read_flag = Utils::HasFlag(this->title_id, "cal_read");
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if (bis_partition_id == BisStorageId_Boot0) {
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storage = std::make_shared<IStorageInterface>(new Boot0Storage(bis_storage, this->title_id));
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} else if (bis_partition_id == BisStorageId_Prodinfo) {
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/* PRODINFO should *never* be writable. */
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if (is_sysmodule || has_cal0_read_flag) {
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storage = std::make_shared<IStorageInterface>(new ROProxyStorage(bis_storage));
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} else {
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/* Do not allow non-sysmodules to read *or* write CAL0. */
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fsStorageClose(&bis_storage);
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rc = ResultFsPermissionDenied;
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return rc;
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}
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} else {
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if (is_sysmodule || has_bis_write_flag) {
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/* Sysmodules should still be allowed to read and write. */
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storage = std::make_shared<IStorageInterface>(new ProxyStorage(bis_storage));
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} else if (Utils::IsHblTid(this->title_id) &&
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((BisStorageId_BcPkg2_1 <= bis_partition_id && bis_partition_id <= BisStorageId_BcPkg2_6) || bis_partition_id == BisStorageId_Boot1)) {
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/* Allow HBL to write to boot1 (safe firm) + package2. */
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/* This is needed to not break compatibility with ChoiDujourNX, which does not check for write access before beginning an update. */
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/* TODO: get fixed so that this can be turned off without causing bricks :/ */
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storage = std::make_shared<IStorageInterface>(new ProxyStorage(bis_storage));
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} else {
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/* Non-sysmodules should be allowed to read. */
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storage = std::make_shared<IStorageInterface>(new ROProxyStorage(bis_storage));
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}
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}
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if (out_storage.IsDomain()) {
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out_domain_id = bis_storage.s.object_id;
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}
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}
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}
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return rc;
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}
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/* Add redirection for RomFS to the SD card. */
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Result FsMitmService::OpenDataStorageByCurrentProcess(Out<std::shared_ptr<IStorageInterface>> out_storage) {
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std::shared_ptr<IStorageInterface> storage = nullptr;
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u32 out_domain_id = 0;
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Result rc = ResultSuccess;
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if (!this->should_override_contents) {
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return ResultAtmosphereMitmShouldForwardToSession;
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}
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bool has_cache = StorageCacheGetEntry(this->title_id, &storage);
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ON_SCOPE_EXIT {
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if (R_SUCCEEDED(rc)) {
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if (!has_cache) {
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StorageCacheSetEntry(this->title_id, &storage);
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}
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out_storage.SetValue(std::move(storage));
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if (out_storage.IsDomain()) {
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out_storage.ChangeObjectId(out_domain_id);
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}
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}
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};
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if (has_cache) {
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if (out_storage.IsDomain()) {
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FsStorage s = {0};
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rc = fsOpenDataStorageByCurrentProcessFwd(this->forward_service.get(), &s);
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if (R_SUCCEEDED(rc)) {
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out_domain_id = s.s.object_id;
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}
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} else {
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rc = ResultSuccess;
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}
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if (R_FAILED(rc)) {
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storage.reset();
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}
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} else {
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FsStorage data_storage;
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FsFile data_file;
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rc = fsOpenDataStorageByCurrentProcessFwd(this->forward_service.get(), &data_storage);
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Log(armGetTls(), 0x100);
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if (R_SUCCEEDED(rc)) {
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if (Utils::HasSdRomfsContent(this->title_id)) {
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/* TODO: Is there a sensible path that ends in ".romfs" we can use?" */
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if (R_SUCCEEDED(Utils::OpenSdFileForAtmosphere(this->title_id, "romfs.bin", FS_OPEN_READ, &data_file))) {
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storage = std::make_shared<IStorageInterface>(new LayeredRomFS(std::make_shared<RomInterfaceStorage>(data_storage), std::make_shared<RomFileStorage>(data_file), this->title_id));
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} else {
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storage = std::make_shared<IStorageInterface>(new LayeredRomFS(std::make_shared<RomInterfaceStorage>(data_storage), nullptr, this->title_id));
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}
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if (out_storage.IsDomain()) {
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out_domain_id = data_storage.s.object_id;
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}
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} else {
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/* If we don't have anything to modify, there's no sense in maintaining a copy of the metadata tables. */
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fsStorageClose(&data_storage);
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rc = ResultAtmosphereMitmShouldForwardToSession;
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}
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}
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}
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return rc;
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}
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/* Add redirection for System Data Archives to the SD card. */
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Result FsMitmService::OpenDataStorageByDataId(Out<std::shared_ptr<IStorageInterface>> out_storage, u64 data_id, u8 sid) {
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FsStorageId storage_id = (FsStorageId)sid;
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FsStorage data_storage;
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FsFile data_file;
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if (!this->should_override_contents) {
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return ResultAtmosphereMitmShouldForwardToSession;
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}
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std::shared_ptr<IStorageInterface> storage = nullptr;
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u32 out_domain_id = 0;
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Result rc = ResultSuccess;
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bool has_cache = StorageCacheGetEntry(data_id, &storage);
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ON_SCOPE_EXIT {
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if (R_SUCCEEDED(rc)) {
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if (!has_cache) {
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StorageCacheSetEntry(data_id, &storage);
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}
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out_storage.SetValue(std::move(storage));
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if (out_storage.IsDomain()) {
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out_storage.ChangeObjectId(out_domain_id);
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}
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}
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};
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if (has_cache) {
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if (out_storage.IsDomain()) {
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FsStorage s = {0};
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rc = fsOpenDataStorageByDataIdFwd(this->forward_service.get(), storage_id, data_id, &s);
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if (R_SUCCEEDED(rc)) {
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out_domain_id = s.s.object_id;
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}
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} else {
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rc = ResultSuccess;
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}
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if (R_FAILED(rc)) {
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storage.reset();
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||||
}
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} else {
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rc = fsOpenDataStorageByDataIdFwd(this->forward_service.get(), storage_id, data_id, &data_storage);
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if (R_SUCCEEDED(rc)) {
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if (Utils::HasSdRomfsContent(data_id)) {
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/* TODO: Is there a sensible path that ends in ".romfs" we can use?" */
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if (R_SUCCEEDED(Utils::OpenSdFileForAtmosphere(data_id, "romfs.bin", FS_OPEN_READ, &data_file))) {
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storage = std::make_shared<IStorageInterface>(new LayeredRomFS(std::make_shared<RomInterfaceStorage>(data_storage), std::make_shared<RomFileStorage>(data_file), data_id));
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} else {
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storage = std::make_shared<IStorageInterface>(new LayeredRomFS(std::make_shared<RomInterfaceStorage>(data_storage), nullptr, data_id));
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||||
}
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||||
if (out_storage.IsDomain()) {
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out_domain_id = data_storage.s.object_id;
|
||||
}
|
||||
} else {
|
||||
/* If we don't have anything to modify, there's no sense in maintaining a copy of the metadata tables. */
|
||||
fsStorageClose(&data_storage);
|
||||
rc = ResultAtmosphereMitmShouldForwardToSession;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
/*
|
||||
* Copyright (c) 2018-2019 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <map>
|
||||
#include <memory>
|
||||
#include <mutex>
|
||||
|
||||
#include <switch.h>
|
||||
#include <stratosphere.hpp>
|
||||
#include "fsmitm_service.hpp"
|
||||
#include "fs_shim.h"
|
||||
|
||||
#include "../utils.hpp"
|
||||
#include "fsmitm_boot0storage.hpp"
|
||||
#include "fsmitm_romstorage.hpp"
|
||||
#include "fsmitm_layeredrom.hpp"
|
||||
|
||||
#include "fs_dir_utils.hpp"
|
||||
#include "fs_save_utils.hpp"
|
||||
#include "fs_subdirectory_filesystem.hpp"
|
||||
#include "fs_directory_savedata_filesystem.hpp"
|
||||
|
||||
#include "../debug.hpp"
|
||||
|
||||
static HosMutex g_StorageCacheLock;
|
||||
static std::unordered_map<u64, std::weak_ptr<IStorageInterface>> g_StorageCache;
|
||||
|
||||
static bool StorageCacheGetEntry(u64 title_id, std::shared_ptr<IStorageInterface> *out) {
|
||||
std::scoped_lock<HosMutex> lock(g_StorageCacheLock);
|
||||
if (g_StorageCache.find(title_id) == g_StorageCache.end()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
auto intf = g_StorageCache[title_id].lock();
|
||||
if (intf != nullptr) {
|
||||
*out = intf;
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
static void StorageCacheSetEntry(u64 title_id, std::shared_ptr<IStorageInterface> *ptr) {
|
||||
std::scoped_lock<HosMutex> lock(g_StorageCacheLock);
|
||||
|
||||
/* Ensure we always use the cached copy if present. */
|
||||
if (g_StorageCache.find(title_id) != g_StorageCache.end()) {
|
||||
auto intf = g_StorageCache[title_id].lock();
|
||||
if (intf != nullptr) {
|
||||
*ptr = intf;
|
||||
}
|
||||
}
|
||||
|
||||
g_StorageCache[title_id] = *ptr;
|
||||
}
|
||||
|
||||
void FsMitmService::PostProcess(IMitmServiceObject *obj, IpcResponseContext *ctx) {
|
||||
auto this_ptr = static_cast<FsMitmService *>(obj);
|
||||
switch ((FspSrvCmd)ctx->cmd_id) {
|
||||
case FspSrvCmd_SetCurrentProcess:
|
||||
if (R_SUCCEEDED(ctx->rc)) {
|
||||
this_ptr->has_initialized = true;
|
||||
this_ptr->process_id = ctx->request.Pid;
|
||||
this_ptr->title_id = this_ptr->process_id;
|
||||
if (R_FAILED(MitmQueryUtils::GetAssociatedTidForPid(this_ptr->process_id, &this_ptr->title_id))) {
|
||||
/* Log here, if desired. */
|
||||
}
|
||||
break;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
Result FsMitmService::OpenHblWebContentFileSystem(Out<std::shared_ptr<IFileSystemInterface>> &out_fs) {
|
||||
std::shared_ptr<IFileSystemInterface> fs = nullptr;
|
||||
u32 out_domain_id = 0;
|
||||
Result rc = ResultSuccess;
|
||||
|
||||
ON_SCOPE_EXIT {
|
||||
if (R_SUCCEEDED(rc)) {
|
||||
out_fs.SetValue(std::move(fs));
|
||||
if (out_fs.IsDomain()) {
|
||||
out_fs.ChangeObjectId(out_domain_id);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
/* Mount the SD card using fs.mitm's session. */
|
||||
FsFileSystem sd_fs;
|
||||
rc = fsMountSdcard(&sd_fs);
|
||||
if (R_SUCCEEDED(rc)) {
|
||||
std::unique_ptr<IFileSystem> web_ifs = std::make_unique<SubDirectoryFileSystem>(std::make_shared<ProxyFileSystem>(sd_fs), AtmosphereHblWebContentDir);
|
||||
fs = std::make_shared<IFileSystemInterface>(std::move(web_ifs));
|
||||
if (out_fs.IsDomain()) {
|
||||
out_domain_id = sd_fs.s.object_id;
|
||||
}
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
Result FsMitmService::OpenFileSystemWithPatch(Out<std::shared_ptr<IFileSystemInterface>> out_fs, u64 title_id, u32 filesystem_type) {
|
||||
/* Check for eligibility. */
|
||||
{
|
||||
FsDir d;
|
||||
if (!Utils::IsWebAppletTid(this->title_id) || filesystem_type != FsFileSystemType_ContentManual || !Utils::IsHblTid(title_id) ||
|
||||
R_FAILED(Utils::OpenSdDir(AtmosphereHblWebContentDir, &d))) {
|
||||
return ResultAtmosphereMitmShouldForwardToSession;
|
||||
}
|
||||
fsDirClose(&d);
|
||||
}
|
||||
|
||||
/* If there's an existing filesystem, don't override. */
|
||||
/* TODO: Multiplex, overriding existing content with HBL content. */
|
||||
{
|
||||
FsFileSystem fs;
|
||||
if (R_SUCCEEDED(fsOpenFileSystemWithPatchFwd(this->forward_service.get(), &fs, title_id, static_cast<FsFileSystemType>(filesystem_type)))) {
|
||||
fsFsClose(&fs);
|
||||
return ResultAtmosphereMitmShouldForwardToSession;
|
||||
}
|
||||
}
|
||||
|
||||
return this->OpenHblWebContentFileSystem(out_fs);
|
||||
}
|
||||
|
||||
Result FsMitmService::OpenFileSystemWithId(Out<std::shared_ptr<IFileSystemInterface>> out_fs, InPointer<char> path, u64 title_id, u32 filesystem_type) {
|
||||
/* Check for eligibility. */
|
||||
{
|
||||
FsDir d;
|
||||
if (!Utils::IsWebAppletTid(this->title_id) || filesystem_type != FsFileSystemType_ContentManual || !Utils::IsHblTid(title_id) ||
|
||||
R_FAILED(Utils::OpenSdDir(AtmosphereHblWebContentDir, &d))) {
|
||||
return ResultAtmosphereMitmShouldForwardToSession;
|
||||
}
|
||||
fsDirClose(&d);
|
||||
}
|
||||
|
||||
/* If there's an existing filesystem, don't override. */
|
||||
/* TODO: Multiplex, overriding existing content with HBL content. */
|
||||
{
|
||||
FsFileSystem fs;
|
||||
if (R_SUCCEEDED(fsOpenFileSystemWithIdFwd(this->forward_service.get(), &fs, title_id, static_cast<FsFileSystemType>(filesystem_type), path.pointer))) {
|
||||
fsFsClose(&fs);
|
||||
return ResultAtmosphereMitmShouldForwardToSession;
|
||||
}
|
||||
}
|
||||
|
||||
return this->OpenHblWebContentFileSystem(out_fs);
|
||||
}
|
||||
|
||||
Result FsMitmService::OpenSaveDataFileSystem(Out<std::shared_ptr<IFileSystemInterface>> out_fs, u8 space_id, FsSave save_struct) {
|
||||
const bool has_redirect_save_flags = Utils::HasFlag(this->title_id, "redirect_save");
|
||||
bool should_redirect_saves = false;
|
||||
if (R_FAILED(Utils::GetSettingsItemBooleanValue("atmosphere", "fsmitm_redirect_saves_to_sd", &should_redirect_saves))) {
|
||||
return ResultAtmosphereMitmShouldForwardToSession;
|
||||
}
|
||||
//check if flag exist
|
||||
if (!has_redirect_save_flags) {
|
||||
should_redirect_saves = false;
|
||||
}
|
||||
|
||||
/* For now, until we're sure this is robust, only intercept normal savedata. */
|
||||
if (!should_redirect_saves || save_struct.SaveDataType != FsSaveDataType_SaveData) {
|
||||
return ResultAtmosphereMitmShouldForwardToSession;
|
||||
}
|
||||
|
||||
/* Verify we can open the save. */
|
||||
FsFileSystem save_fs;
|
||||
if (R_FAILED(fsOpenSaveDataFileSystemFwd(this->forward_service.get(), &save_fs, space_id, &save_struct))) {
|
||||
return ResultAtmosphereMitmShouldForwardToSession;
|
||||
}
|
||||
std::unique_ptr<IFileSystem> save_ifs = std::make_unique<ProxyFileSystem>(save_fs);
|
||||
|
||||
{
|
||||
std::shared_ptr<IFileSystemInterface> fs = nullptr;
|
||||
u32 out_domain_id = 0;
|
||||
Result rc = ResultSuccess;
|
||||
|
||||
ON_SCOPE_EXIT {
|
||||
if (R_SUCCEEDED(rc)) {
|
||||
out_fs.SetValue(std::move(fs));
|
||||
if (out_fs.IsDomain()) {
|
||||
out_fs.ChangeObjectId(out_domain_id);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
/* Mount the SD card using fs.mitm's session. */
|
||||
FsFileSystem sd_fs;
|
||||
if (R_FAILED((rc = fsMountSdcard(&sd_fs)))) {
|
||||
return rc;
|
||||
}
|
||||
std::shared_ptr<IFileSystem> sd_ifs = std::make_shared<ProxyFileSystem>(sd_fs);
|
||||
|
||||
|
||||
/* Verify that we can open the save directory, and that it exists. */
|
||||
const u64 target_tid = save_struct.titleID == 0 ? this->title_id : save_struct.titleID;
|
||||
FsPath save_dir_path;
|
||||
if (R_FAILED((rc = FsSaveUtils::GetSaveDataDirectoryPath(save_dir_path, space_id, save_struct.SaveDataType, target_tid, save_struct.userID, save_struct.saveID)))) {
|
||||
return rc;
|
||||
}
|
||||
|
||||
/* Check if this is the first time we're making the save. */
|
||||
bool is_new_save = false;
|
||||
{
|
||||
DirectoryEntryType ent;
|
||||
if (sd_ifs->GetEntryType(&ent, save_dir_path) == ResultFsPathNotFound) {
|
||||
is_new_save = true;
|
||||
}
|
||||
}
|
||||
|
||||
/* Ensure the directory exists. */
|
||||
if (R_FAILED((rc = FsDirUtils::EnsureDirectoryExists(sd_ifs.get(), save_dir_path)))) {
|
||||
return rc;
|
||||
}
|
||||
|
||||
std::shared_ptr<DirectorySaveDataFileSystem> dirsave_ifs = std::make_shared<DirectorySaveDataFileSystem>(new SubDirectoryFileSystem(sd_ifs, save_dir_path.str), std::move(save_ifs));
|
||||
|
||||
/* If it's the first time we're making the save, copy existing savedata over. */
|
||||
if (is_new_save) {
|
||||
/* TODO: Check error? */
|
||||
dirsave_ifs->CopySaveFromProxy();
|
||||
}
|
||||
|
||||
fs = std::make_shared<IFileSystemInterface>(static_cast<std::shared_ptr<IFileSystem>>(dirsave_ifs));
|
||||
if (out_fs.IsDomain()) {
|
||||
out_domain_id = sd_fs.s.object_id;
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
}
|
||||
|
||||
/* Gate access to the BIS partitions. */
|
||||
Result FsMitmService::OpenBisStorage(Out<std::shared_ptr<IStorageInterface>> out_storage, u32 bis_partition_id) {
|
||||
std::shared_ptr<IStorageInterface> storage = nullptr;
|
||||
u32 out_domain_id = 0;
|
||||
Result rc = ResultSuccess;
|
||||
|
||||
ON_SCOPE_EXIT {
|
||||
if (R_SUCCEEDED(rc)) {
|
||||
out_storage.SetValue(std::move(storage));
|
||||
if (out_storage.IsDomain()) {
|
||||
out_storage.ChangeObjectId(out_domain_id);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
{
|
||||
FsStorage bis_storage;
|
||||
rc = fsOpenBisStorageFwd(this->forward_service.get(), &bis_storage, bis_partition_id);
|
||||
if (R_SUCCEEDED(rc)) {
|
||||
const bool is_sysmodule = TitleIdIsSystem(this->title_id);
|
||||
const bool has_bis_write_flag = Utils::HasFlag(this->title_id, "bis_write");
|
||||
const bool has_cal0_read_flag = Utils::HasFlag(this->title_id, "cal_read");
|
||||
if (bis_partition_id == BisStorageId_Boot0) {
|
||||
storage = std::make_shared<IStorageInterface>(new Boot0Storage(bis_storage, this->title_id));
|
||||
} else if (bis_partition_id == BisStorageId_Prodinfo) {
|
||||
/* PRODINFO should *never* be writable. */
|
||||
if (is_sysmodule || has_cal0_read_flag) {
|
||||
storage = std::make_shared<IStorageInterface>(new ROProxyStorage(bis_storage));
|
||||
} else {
|
||||
/* Do not allow non-sysmodules to read *or* write CAL0. */
|
||||
fsStorageClose(&bis_storage);
|
||||
rc = ResultFsPermissionDenied;
|
||||
return rc;
|
||||
}
|
||||
} else {
|
||||
if (is_sysmodule || has_bis_write_flag) {
|
||||
/* Sysmodules should still be allowed to read and write. */
|
||||
storage = std::make_shared<IStorageInterface>(new ProxyStorage(bis_storage));
|
||||
} else if (Utils::IsHblTid(this->title_id) &&
|
||||
((BisStorageId_BcPkg2_1 <= bis_partition_id && bis_partition_id <= BisStorageId_BcPkg2_6) || bis_partition_id == BisStorageId_Boot1)) {
|
||||
/* Allow HBL to write to boot1 (safe firm) + package2. */
|
||||
/* This is needed to not break compatibility with ChoiDujourNX, which does not check for write access before beginning an update. */
|
||||
/* TODO: get fixed so that this can be turned off without causing bricks :/ */
|
||||
storage = std::make_shared<IStorageInterface>(new ProxyStorage(bis_storage));
|
||||
} else {
|
||||
/* Non-sysmodules should be allowed to read. */
|
||||
storage = std::make_shared<IStorageInterface>(new ROProxyStorage(bis_storage));
|
||||
}
|
||||
}
|
||||
if (out_storage.IsDomain()) {
|
||||
out_domain_id = bis_storage.s.object_id;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
/* Add redirection for RomFS to the SD card. */
|
||||
Result FsMitmService::OpenDataStorageByCurrentProcess(Out<std::shared_ptr<IStorageInterface>> out_storage) {
|
||||
std::shared_ptr<IStorageInterface> storage = nullptr;
|
||||
u32 out_domain_id = 0;
|
||||
Result rc = ResultSuccess;
|
||||
|
||||
if (!this->should_override_contents) {
|
||||
return ResultAtmosphereMitmShouldForwardToSession;
|
||||
}
|
||||
|
||||
bool has_cache = StorageCacheGetEntry(this->title_id, &storage);
|
||||
|
||||
ON_SCOPE_EXIT {
|
||||
if (R_SUCCEEDED(rc)) {
|
||||
if (!has_cache) {
|
||||
StorageCacheSetEntry(this->title_id, &storage);
|
||||
}
|
||||
|
||||
out_storage.SetValue(std::move(storage));
|
||||
if (out_storage.IsDomain()) {
|
||||
out_storage.ChangeObjectId(out_domain_id);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
if (has_cache) {
|
||||
if (out_storage.IsDomain()) {
|
||||
FsStorage s = {0};
|
||||
rc = fsOpenDataStorageByCurrentProcessFwd(this->forward_service.get(), &s);
|
||||
if (R_SUCCEEDED(rc)) {
|
||||
out_domain_id = s.s.object_id;
|
||||
}
|
||||
} else {
|
||||
rc = ResultSuccess;
|
||||
}
|
||||
if (R_FAILED(rc)) {
|
||||
storage.reset();
|
||||
}
|
||||
} else {
|
||||
FsStorage data_storage;
|
||||
FsFile data_file;
|
||||
|
||||
rc = fsOpenDataStorageByCurrentProcessFwd(this->forward_service.get(), &data_storage);
|
||||
|
||||
Log(armGetTls(), 0x100);
|
||||
if (R_SUCCEEDED(rc)) {
|
||||
if (Utils::HasSdRomfsContent(this->title_id)) {
|
||||
/* TODO: Is there a sensible path that ends in ".romfs" we can use?" */
|
||||
if (R_SUCCEEDED(Utils::OpenSdFileForAtmosphere(this->title_id, "romfs.bin", FS_OPEN_READ, &data_file))) {
|
||||
storage = std::make_shared<IStorageInterface>(new LayeredRomFS(std::make_shared<RomInterfaceStorage>(data_storage), std::make_shared<RomFileStorage>(data_file), this->title_id));
|
||||
} else {
|
||||
storage = std::make_shared<IStorageInterface>(new LayeredRomFS(std::make_shared<RomInterfaceStorage>(data_storage), nullptr, this->title_id));
|
||||
}
|
||||
if (out_storage.IsDomain()) {
|
||||
out_domain_id = data_storage.s.object_id;
|
||||
}
|
||||
} else {
|
||||
/* If we don't have anything to modify, there's no sense in maintaining a copy of the metadata tables. */
|
||||
fsStorageClose(&data_storage);
|
||||
rc = ResultAtmosphereMitmShouldForwardToSession;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
/* Add redirection for System Data Archives to the SD card. */
|
||||
Result FsMitmService::OpenDataStorageByDataId(Out<std::shared_ptr<IStorageInterface>> out_storage, u64 data_id, u8 sid) {
|
||||
FsStorageId storage_id = (FsStorageId)sid;
|
||||
FsStorage data_storage;
|
||||
FsFile data_file;
|
||||
|
||||
if (!this->should_override_contents) {
|
||||
return ResultAtmosphereMitmShouldForwardToSession;
|
||||
}
|
||||
|
||||
std::shared_ptr<IStorageInterface> storage = nullptr;
|
||||
u32 out_domain_id = 0;
|
||||
Result rc = ResultSuccess;
|
||||
|
||||
bool has_cache = StorageCacheGetEntry(data_id, &storage);
|
||||
|
||||
ON_SCOPE_EXIT {
|
||||
if (R_SUCCEEDED(rc)) {
|
||||
if (!has_cache) {
|
||||
StorageCacheSetEntry(data_id, &storage);
|
||||
}
|
||||
|
||||
out_storage.SetValue(std::move(storage));
|
||||
if (out_storage.IsDomain()) {
|
||||
out_storage.ChangeObjectId(out_domain_id);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
if (has_cache) {
|
||||
if (out_storage.IsDomain()) {
|
||||
FsStorage s = {0};
|
||||
rc = fsOpenDataStorageByDataIdFwd(this->forward_service.get(), storage_id, data_id, &s);
|
||||
if (R_SUCCEEDED(rc)) {
|
||||
out_domain_id = s.s.object_id;
|
||||
}
|
||||
} else {
|
||||
rc = ResultSuccess;
|
||||
}
|
||||
if (R_FAILED(rc)) {
|
||||
storage.reset();
|
||||
}
|
||||
} else {
|
||||
rc = fsOpenDataStorageByDataIdFwd(this->forward_service.get(), storage_id, data_id, &data_storage);
|
||||
|
||||
if (R_SUCCEEDED(rc)) {
|
||||
if (Utils::HasSdRomfsContent(data_id)) {
|
||||
/* TODO: Is there a sensible path that ends in ".romfs" we can use?" */
|
||||
if (R_SUCCEEDED(Utils::OpenSdFileForAtmosphere(data_id, "romfs.bin", FS_OPEN_READ, &data_file))) {
|
||||
storage = std::make_shared<IStorageInterface>(new LayeredRomFS(std::make_shared<RomInterfaceStorage>(data_storage), std::make_shared<RomFileStorage>(data_file), data_id));
|
||||
} else {
|
||||
storage = std::make_shared<IStorageInterface>(new LayeredRomFS(std::make_shared<RomInterfaceStorage>(data_storage), nullptr, data_id));
|
||||
}
|
||||
if (out_storage.IsDomain()) {
|
||||
out_domain_id = data_storage.s.object_id;
|
||||
}
|
||||
} else {
|
||||
/* If we don't have anything to modify, there's no sense in maintaining a copy of the metadata tables. */
|
||||
fsStorageClose(&data_storage);
|
||||
rc = ResultAtmosphereMitmShouldForwardToSession;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
Loading…
Reference in a new issue