mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-24 21:51:15 +00:00
114 lines
4.3 KiB
C++
114 lines
4.3 KiB
C++
/*
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* Copyright (c) 2018-2020 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 "fsmitm_save_utils.hpp"
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namespace ams::mitm::fs {
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using namespace ams::fs;
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namespace {
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Result GetSaveDataSpaceIdString(const char **out_str, u8 space_id) {
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switch (space_id) {
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case FsSaveDataSpaceId_System:
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case FsSaveDataSpaceId_ProperSystem:
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*out_str = "sys";
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break;
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case FsSaveDataSpaceId_User:
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*out_str = "user";
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break;
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case FsSaveDataSpaceId_SdSystem:
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*out_str = "sd_sys";
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break;
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case FsSaveDataSpaceId_Temporary:
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*out_str = "temp";
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break;
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case FsSaveDataSpaceId_SdUser:
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*out_str = "sd_user";
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break;
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case FsSaveDataSpaceId_SafeMode:
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*out_str = "safe";
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break;
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default:
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return fs::ResultInvalidSaveDataSpaceId();
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}
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return ResultSuccess();
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}
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Result GetSaveDataTypeString(const char **out_str, u8 save_data_type) {
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switch (save_data_type) {
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case FsSaveDataType_System:
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*out_str = "system";
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break;
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case FsSaveDataType_Account:
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*out_str = "account";
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break;
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case FsSaveDataType_Bcat:
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*out_str = "bcat";
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break;
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case FsSaveDataType_Device:
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*out_str = "device";
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break;
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case FsSaveDataType_Temporary:
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*out_str = "temp";
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break;
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case FsSaveDataType_Cache:
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*out_str = "cache";
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break;
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case FsSaveDataType_SystemBcat:
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*out_str = "system_bcat";
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break;
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default:
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/* TODO: Better result? */
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return fs::ResultInvalidArgument();
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}
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return ResultSuccess();
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}
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constexpr inline bool IsEmptyAccountId(const AccountUid &uid) {
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constexpr AccountUid empty_uid = {};
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return std::memcmp(&uid, &empty_uid, sizeof(uid)) == 0;
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}
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}
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Result SaveUtil::GetDirectorySaveDataPath(char *dst, size_t dst_size, ncm::ProgramId program_id, u8 space_id, const FsSaveDataAttribute &attribute) {
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/* Saves should be separate for emunand vs sysnand. */
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const char *emummc_str = emummc::IsActive() ? "emummc" : "sysmmc";
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/* Get space_id, save_data_type strings. */
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const char *space_id_str, *save_type_str;
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R_TRY(GetSaveDataSpaceIdString(&space_id_str, space_id));
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R_TRY(GetSaveDataTypeString(&save_type_str, attribute.save_data_type));
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/* Initialize the path. */
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const bool is_system = attribute.system_save_data_id != 0 && IsEmptyAccountId(attribute.uid);
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size_t out_path_len;
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if (is_system) {
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out_path_len = static_cast<size_t>(std::snprintf(dst, dst_size, "/atmosphere/saves/%s/%s/%s/%016lx", emummc_str, space_id_str, save_type_str, attribute.system_save_data_id));
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} else {
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out_path_len = static_cast<size_t>(std::snprintf(dst, dst_size, "/atmosphere/saves/%s/%s/%s/%016lx/%016lx%016lx", emummc_str, space_id_str, save_type_str, static_cast<u64>(program_id), attribute.uid.uid[1], attribute.uid.uid[0]));
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}
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R_UNLESS(out_path_len < dst_size, fs::ResultTooLongPath());
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return ResultSuccess();
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}
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}
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