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ppsspp/Core/Dialog/SavedataParam.cpp

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// Copyright (c) 2012- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "i18n/i18n.h"
#include "base/logging.h"
#include "Common/ChunkFile.h"
#include "Core/Config.h"
#include "Core/Reporting.h"
#include "Core/System.h"
#include "Core/Dialog/SavedataParam.h"
#include "Core/Dialog/PSPSaveDialog.h"
#include "Core/FileSystems/MetaFileSystem.h"
#include "Core/HLE/sceIo.h"
#include "Core/HLE/sceKernelMemory.h"
#include "Core/HLE/sceChnnlsv.h"
#include "Core/ELF/ParamSFO.h"
#include "Core/HW/MemoryStick.h"
#include "Core/Util/PPGeDraw.h"
#include "UI/OnScreenDisplay.h"
#include "image/png_load.h"
#include <algorithm>
#ifdef BLACKBERRY
using std::strnlen;
#endif
static const std::string ICON0_FILENAME = "ICON0.PNG";
static const std::string ICON1_FILENAME = "ICON1.PMF";
static const std::string PIC1_FILENAME = "PIC1.PNG";
static const std::string SND0_FILENAME = "SND0.AT3";
static const std::string SFO_FILENAME = "PARAM.SFO";
static const std::string savePath = "ms0:/PSP/SAVEDATA/";
namespace
{
int getSizeNormalized(int size)
{
int sizeCluster = (int)MemoryStick_SectorSize();
return ((int)((size + sizeCluster - 1) / sizeCluster)) * sizeCluster;
}
void SetStringFromSFO(ParamSFOData &sfoFile, const char *name, char *str, int strLength)
{
std::string value = sfoFile.GetValueString(name);
strncpy(str, value.c_str(), strLength - 1);
str[strLength - 1] = 0;
}
bool ReadPSPFile(std::string filename, u8 **data, s64 dataSize, s64 *readSize)
{
u32 handle = pspFileSystem.OpenFile(filename, FILEACCESS_READ);
if (handle == 0)
return false;
if(dataSize == -1)
{
dataSize = pspFileSystem.GetFileInfo(filename).size;
*data = new u8[(size_t)dataSize];
}
size_t result = pspFileSystem.ReadFile(handle, *data, dataSize);
pspFileSystem.CloseFile(handle);
if(readSize)
*readSize = result;
return result != 0;
}
bool WritePSPFile(std::string filename, u8 *data, SceSize dataSize)
{
u32 handle = pspFileSystem.OpenFile(filename, (FileAccess)(FILEACCESS_WRITE | FILEACCESS_CREATE | FILEACCESS_TRUNCATE));
if (handle == 0)
return false;
size_t result = pspFileSystem.WriteFile(handle, data, dataSize);
pspFileSystem.CloseFile(handle);
return result == dataSize;
}
bool PSPMatch(std::string text, std::string regexp)
{
if(text.empty() && regexp.empty())
return true;
else if(regexp == "*")
return true;
else if(text.empty())
return false;
else if(regexp.empty())
return false;
else if(regexp == "?" && text.length() == 1)
return true;
else if(text == regexp)
return true;
else if(regexp.data()[0] == '*')
{
bool res = PSPMatch(text.substr(1),regexp.substr(1));
if(!res)
res = PSPMatch(text.substr(1),regexp);
return res;
}
else if(regexp.data()[0] == '?')
{
return PSPMatch(text.substr(1),regexp.substr(1));
}
else if(regexp.data()[0] == text.data()[0])
{
return PSPMatch(text.substr(1),regexp.substr(1));
}
return false;
}
int align16(int address)
{
return ((address + 0xF) >> 4) << 4;
}
int GetSDKMainVersion(int sdkVersion)
{
if(sdkVersion > 0x0307FFFF)
return 6;
if(sdkVersion > 0x0300FFFF)
return 5;
if(sdkVersion > 0x0206FFFF)
return 4;
if(sdkVersion > 0x0205FFFF)
return 3;
if(sdkVersion >= 0x02000000)
return 2;
if(sdkVersion >= 0x01000000)
return 1;
return 0;
};
}
void SaveFileInfo::DoState(PointerWrap &p)
{
auto s = p.Section("SaveFileInfo", 1, 2);
if (!s)
return;
p.Do(size);
p.Do(saveName);
p.Do(idx);
p.DoArray(title, sizeof(title));
p.DoArray(saveTitle, sizeof(saveTitle));
p.DoArray(saveDetail, sizeof(saveDetail));
p.Do(modif_time);
if (s <= 1) {
u32 textureData;
int textureWidth;
int textureHeight;
p.Do(textureData);
p.Do(textureWidth);
p.Do(textureHeight);
if (textureData != 0) {
// Must be MODE_READ.
texture = new PPGeImage("");
texture->CompatLoad(textureData, textureWidth, textureHeight);
}
} else {
bool hasTexture = texture != NULL;
p.Do(hasTexture);
if (hasTexture) {
if (p.mode == p.MODE_READ) {
delete texture;
texture = new PPGeImage("");
}
texture->DoState(p);
}
}
}
SavedataParam::SavedataParam()
: pspParam(0)
, selectedSave(0)
, saveDataList(0)
, noSaveIcon(0)
, saveDataListCount(0)
, saveNameListDataCount(0)
{
}
void SavedataParam::Init()
{
if (!pspFileSystem.GetFileInfo(savePath).exists)
{
pspFileSystem.MkDir(savePath);
}
// Create a nomedia file to hide save icons form Android image viewer
#ifdef ANDROID
int handle = pspFileSystem.OpenFile(savePath + ".nomedia", (FileAccess)(FILEACCESS_CREATE | FILEACCESS_WRITE), 0);
if (handle) {
pspFileSystem.CloseFile(handle);
} else {
ELOG("Failed to create .nomedia file");
}
#endif
}
std::string SavedataParam::GetSaveDirName(const SceUtilitySavedataParam *param, int saveId) const
{
if (!param) {
return "";
}
if (saveId >= 0 && saveNameListDataCount > 0) // if user selection, use it
return GetFilename(saveId);
else
return GetSaveName(param);
}
std::string SavedataParam::GetSaveDir(const SceUtilitySavedataParam *param, const std::string &saveDirName) const
{
if (!param) {
return "";
}
return GetGameName(param) + saveDirName;
}
std::string SavedataParam::GetSaveDir(const SceUtilitySavedataParam *param, int saveId) const
{
return GetSaveDir(param, GetSaveDirName(param, saveId));
}
std::string SavedataParam::GetSaveFilePath(const SceUtilitySavedataParam *param, const std::string &saveDir) const
{
if (!param) {
return "";
}
if (!saveDir.size())
return "";
return savePath + saveDir;
}
std::string SavedataParam::GetSaveFilePath(const SceUtilitySavedataParam *param, int saveId) const
{
return GetSaveFilePath(param, GetSaveDir(param, saveId));
}
inline static std::string FixedToString(const char *str, size_t n)
{
return std::string(str, strnlen(str, n));
}
std::string SavedataParam::GetGameName(const SceUtilitySavedataParam *param) const
{
return FixedToString(param->gameName, ARRAY_SIZE(param->gameName));
}
std::string SavedataParam::GetSaveName(const SceUtilitySavedataParam *param) const
{
const std::string saveName = FixedToString(param->saveName, ARRAY_SIZE(param->saveName));
if (saveName == "<>")
return "";
return saveName;
}
std::string SavedataParam::GetFileName(const SceUtilitySavedataParam *param) const
{
return FixedToString(param->fileName, ARRAY_SIZE(param->fileName));
}
std::string SavedataParam::GetKey(const SceUtilitySavedataParam *param) const
{
static const char* const lut = "0123456789ABCDEF";
std::string output;
if (HasKey(param))
{
output.reserve(2 * sizeof(param->key));
for (size_t i = 0; i < sizeof(param->key); ++i)
{
const unsigned char c = param->key[i];
output.push_back(lut[c >> 4]);
output.push_back(lut[c & 15]);
}
}
return output;
}
bool SavedataParam::HasKey(const SceUtilitySavedataParam *param) const
{
for (size_t i = 0; i < ARRAY_SIZE(param->key); ++i)
{
if (param->key[i] != 0)
return true;
}
return false;
}
bool SavedataParam::Delete(SceUtilitySavedataParam* param, int saveId) {
if (!param) {
return false;
}
// Sanity check, preventing full delete of savedata/ in MGS PW demo (!)
if (!strlen(param->gameName)) {
ERROR_LOG(SCEUTILITY, "Bad param with gameName empty - cannot delete save directory");
return false;
}
std::string dirPath = GetSaveFilePath(param,saveId);
if (dirPath.size() == 0) {
ERROR_LOG(SCEUTILITY, "GetSaveFilePath returned empty - cannot delete save directory");
return false;
}
if (!pspFileSystem.GetFileInfo(dirPath).exists) {
return false;
}
pspFileSystem.RmDir(dirPath);
return true;
}
int SavedataParam::DeleteData(SceUtilitySavedataParam* param) {
if (!param) {
return SCE_UTILITY_SAVEDATA_ERROR_DELETE_NO_DATA;
}
if (param->fileName[0] == '\0') {
return SCE_UTILITY_SAVEDATA_ERROR_DELETE_NO_DATA;
}
std::string subFolder = GetGameName(param) + GetSaveName(param);
std::string filename = savePath + subFolder + "/" + GetFileName(param);
if (!subFolder.size()) {
ERROR_LOG(SCEUTILITY, "Bad subfolder, ignoring delete of %s", filename.c_str());
return 0;
}
PSPFileInfo info = pspFileSystem.GetFileInfo(filename);
if (info.exists) {
pspFileSystem.RemoveFile(filename);
}
return 0;
}
bool SavedataParam::Save(SceUtilitySavedataParam* param, const std::string &saveDirName, bool secureMode) {
if (!param) {
return false;
}
std::string dirPath = GetSaveFilePath(param, GetSaveDir(param, saveDirName));
if (!pspFileSystem.GetFileInfo(dirPath).exists) {
if (!pspFileSystem.MkDir(dirPath)) {
I18NCategory *err = GetI18NCategory("Error");
osm.Show(err->T("Unable to write savedata, disk may be full"));
}
}
u8* cryptedData = 0;
int cryptedSize = 0;
u8 cryptedHash[0x10];
memset(cryptedHash,0,0x10);
// Encrypt save.
// TODO: Is this the correct difference between MAKEDATA and MAKEDATASECURE?
if (param->dataBuf.IsValid() && g_Config.bEncryptSave && secureMode)
{
cryptedSize = param->dataSize;
if(cryptedSize == 0 || (SceSize)cryptedSize > param->dataBufSize)
cryptedSize = param->dataBufSize; // fallback, should never use this
u8 *data_ = param->dataBuf;
int aligned_len = align16(cryptedSize);
cryptedData = new u8[aligned_len + 0x10];
memcpy(cryptedData, data_, cryptedSize);
int decryptMode = DetermineCryptMode(param);
if (EncryptData(decryptMode, cryptedData, &cryptedSize, &aligned_len, cryptedHash, (HasKey(param) ? param->key : 0)) != 0)
{
I18NCategory *err = GetI18NCategory("Error");
osm.Show(err->T("Save encryption failed. This save won't work on real PSP"), 6.0f);
ERROR_LOG(SCEUTILITY,"Save encryption failed. This save won't work on real PSP");
delete[] cryptedData;
cryptedData = 0;
}
}
// SAVE PARAM.SFO
ParamSFOData sfoFile;
std::string sfopath = dirPath+"/" + SFO_FILENAME;
PSPFileInfo sfoInfo = pspFileSystem.GetFileInfo(sfopath);
if (sfoInfo.exists) // Read old sfo if exist
{
std::vector<u8> sfoData;
if (pspFileSystem.ReadEntireFile(sfopath, sfoData) >= 0)
sfoFile.ReadSFO(sfoData);
}
// Update values
sfoFile.SetValue("TITLE",param->sfoParam.title,128);
sfoFile.SetValue("SAVEDATA_TITLE",param->sfoParam.savedataTitle,128);
sfoFile.SetValue("SAVEDATA_DETAIL",param->sfoParam.detail,1024);
sfoFile.SetValue("PARENTAL_LEVEL",param->sfoParam.parentalLevel,4);
sfoFile.SetValue("CATEGORY","MS",4);
sfoFile.SetValue("SAVEDATA_DIRECTORY", GetSaveDir(param, saveDirName), 64);
// For each file, 13 bytes for filename, 16 bytes for file hash (0 in PPSSPP), 3 byte for padding
if (secureMode)
{
const int FILE_LIST_ITEM_SIZE = 13 + 16 + 3;
const int FILE_LIST_COUNT_MAX = 99;
const u32 FILE_LIST_TOTAL_SIZE = FILE_LIST_ITEM_SIZE * FILE_LIST_COUNT_MAX;
u32 tmpDataSize = 0;
u8 *tmpDataOrig = sfoFile.GetValueData("SAVEDATA_FILE_LIST", &tmpDataSize);
u8 *tmpData = new u8[FILE_LIST_TOTAL_SIZE];
if (tmpDataOrig != NULL)
memcpy(tmpData, tmpDataOrig, tmpDataSize > FILE_LIST_TOTAL_SIZE ? FILE_LIST_TOTAL_SIZE : tmpDataSize);
else
memset(tmpData, 0, FILE_LIST_TOTAL_SIZE);
if (param->dataBuf.IsValid())
{
char *fName = (char*)tmpData;
for(int i = 0; i < FILE_LIST_COUNT_MAX; i++)
{
if(fName[0] == 0)
break; // End of list
if(strncmp(fName,GetFileName(param).c_str(),20) == 0)
break;
fName += FILE_LIST_ITEM_SIZE;
}
if (fName + 13 <= (char*)tmpData + FILE_LIST_TOTAL_SIZE)
snprintf(fName, 13, "%s",GetFileName(param).c_str());
if (fName + 13 + 16 <= (char*)tmpData + FILE_LIST_TOTAL_SIZE)
memcpy(fName+13, cryptedHash, 16);
}
sfoFile.SetValue("SAVEDATA_FILE_LIST", tmpData, FILE_LIST_TOTAL_SIZE, (int)FILE_LIST_TOTAL_SIZE);
delete[] tmpData;
}
// Init param with 0. This will be used to detect crypted save or not on loading
u8 *tmpData = new u8[128];
memset(tmpData, 0, 128);
sfoFile.SetValue("SAVEDATA_PARAMS", tmpData, 128, 128);
delete[] tmpData;
u8 *sfoData;
size_t sfoSize;
sfoFile.WriteSFO(&sfoData,&sfoSize);
// Calc SFO hash for PSP.
if(cryptedData != 0)
{
int offset = sfoFile.GetDataOffset(sfoData,"SAVEDATA_PARAMS");
if(offset >= 0)
UpdateHash(sfoData, (int)sfoSize, offset, DetermineCryptMode(param));
}
WritePSPFile(sfopath, sfoData, (SceSize)sfoSize);
delete[] sfoData;
if(param->dataBuf.IsValid()) // Can launch save without save data in mode 13
{
std::string filePath = dirPath+"/"+GetFileName(param);
u8 *data_ = 0;
SceSize saveSize = 0;
if(cryptedData == 0) // Save decrypted data
{
saveSize = param->dataSize;
if(saveSize == 0 || saveSize > param->dataBufSize)
saveSize = param->dataBufSize; // fallback, should never use this
data_ = param->dataBuf;
}
else
{
data_ = cryptedData;
saveSize = cryptedSize;
}
INFO_LOG(SCEUTILITY,"Saving file with size %u in %s",saveSize,filePath.c_str());
// copy back save name in request
strncpy(param->saveName, saveDirName.c_str(), 20);
if (!WritePSPFile(filePath, data_, saveSize))
{
ERROR_LOG(SCEUTILITY,"Error writing file %s",filePath.c_str());
if(cryptedData != 0)
{
delete[] cryptedData;
}
return false;
}
delete[] cryptedData;
}
// SAVE ICON0
if (param->icon0FileData.buf.IsValid())
{
std::string icon0path = dirPath + "/" + ICON0_FILENAME;
WritePSPFile(icon0path, param->icon0FileData.buf, param->icon0FileData.bufSize);
}
// SAVE ICON1
if (param->icon1FileData.buf.IsValid())
{
std::string icon1path = dirPath + "/" + ICON1_FILENAME;
WritePSPFile(icon1path, param->icon1FileData.buf, param->icon1FileData.bufSize);
}
// SAVE PIC1
if (param->pic1FileData.buf.IsValid())
{
std::string pic1path = dirPath + "/" + PIC1_FILENAME;
WritePSPFile(pic1path, param->pic1FileData.buf, param->pic1FileData.bufSize);
}
// Save SND
if (param->snd0FileData.buf.IsValid())
{
std::string snd0path = dirPath + "/" + SND0_FILENAME;
WritePSPFile(snd0path, param->snd0FileData.buf, param->snd0FileData.bufSize);
}
return true;
}
bool SavedataParam::Load(SceUtilitySavedataParam *param, const std::string &saveDirName, int saveId, bool secureMode)
{
if (!param) {
return false;
}
std::string dirPath = GetSaveFilePath(param, GetSaveDir(param, saveDirName));
std::string filePath = dirPath + "/" + GetFileName(param);
if (!pspFileSystem.GetFileInfo(filePath).exists) {
return false;
}
if(!LoadSaveData(param, saveDirName, dirPath, secureMode)) // Load main savedata
return false;
LoadSFO(param, dirPath); // Load sfo
// Don't know what it is, but PSP always respond this and this unlock some game
param->bind = 1021;
// Load another files,seems these are required by some games, e.g. Fushigi no Dungeon Fuurai no Shiren 4 Plus.
// Load ICON0.PNG
LoadFile(dirPath, ICON0_FILENAME, &param->icon0FileData);
// Load ICON1.PNG
LoadFile(dirPath, ICON1_FILENAME, &param->icon1FileData);
// Load PIC1.PNG
LoadFile(dirPath, PIC1_FILENAME, &param->pic1FileData);
// Load SND0.AT3
LoadFile(dirPath, SND0_FILENAME, &param->snd0FileData);
return true;
}
bool SavedataParam::LoadSaveData(SceUtilitySavedataParam *param, const std::string &saveDirName, const std::string& dirPath, bool secureMode) {
u8 *data_ = param->dataBuf;
std::string filePath = dirPath+"/"+GetFileName(param);
s64 readSize;
INFO_LOG(SCEUTILITY,"Loading file with size %u in %s",param->dataBufSize,filePath.c_str());
u8* saveData = 0;
int saveSize = -1;
if (!ReadPSPFile(filePath, &saveData, saveSize, &readSize)) {
ERROR_LOG(SCEUTILITY,"Error reading file %s",filePath.c_str());
return false;
}
saveSize = (int)readSize;
// copy back save name in request
strncpy(param->saveName, saveDirName.c_str(), 20);
int prevCryptMode = GetSaveCryptMode(param, saveDirName);
bool isCrypted = prevCryptMode != 0 && secureMode;
bool saveDone = false;
if (isCrypted) {
LoadCryptedSave(param, data_, saveData, saveSize, prevCryptMode, saveDone);
}
if (!saveDone) {
LoadNotCryptedSave(param, data_, saveData, saveSize);
}
param->dataSize = (SceSize)saveSize;
delete[] saveData;
return true;
}
int SavedataParam::DetermineCryptMode(const SceUtilitySavedataParam *param) const {
int decryptMode = 1;
if (HasKey(param)) {
decryptMode = GetSDKMainVersion(sceKernelGetCompiledSdkVersion()) >= 4 ? 5 : 3;
}
return decryptMode;
}
void SavedataParam::LoadCryptedSave(SceUtilitySavedataParam *param, u8 *data, u8 *saveData, int &saveSize, int prevCryptMode, bool &saveDone) {
int align_len = align16(saveSize);
u8 *data_base = new u8[align_len];
u8 *cryptKey = new u8[0x10];
memset(cryptKey, 0, 0x10);
bool hasKey = HasKey(param);
if (hasKey) {
memcpy(cryptKey, param->key, 0x10);
}
memset(data_base + saveSize, 0, align_len - saveSize);
memcpy(data_base, saveData, saveSize);
int decryptMode = DetermineCryptMode(param);
if (decryptMode != prevCryptMode) {
if (prevCryptMode == 1 && param->key[0] == 0) {
// Backwards compat for a bug we used to have.
WARN_LOG(SCEUTILITY, "Savedata loading with hashmode %d instead of detected %d", prevCryptMode, decryptMode);
hasKey = false;
decryptMode = prevCryptMode;
// Don't notify the user if we're not going to upgrade the save.
if (!g_Config.bEncryptSave) {
I18NCategory *d = GetI18NCategory("Dialog");
osm.Show(d->T("When you save, it will load on a PSP, but not an older PPSSPP"), 6.0f);
osm.Show(d->T("Old savedata detected"), 6.0f);
}
} else {
if (decryptMode == 5 && prevCryptMode == 3) {
WARN_LOG(SCEUTILITY, "Savedata loading with detected hashmode %d instead of file's %d", decryptMode, prevCryptMode);
} else {
WARN_LOG_REPORT(SCEUTILITY, "Savedata loading with detected hashmode %d instead of file's %d", decryptMode, prevCryptMode);
}
}
}
if (DecryptSave(decryptMode, data_base, &saveSize, &align_len, (hasKey?cryptKey:0)) == 0) {
if (param->dataBuf.IsValid())
memcpy(data, data_base, std::min((u32)saveSize, (u32)param->dataBufSize));
saveDone = true;
}
delete[] data_base;
delete[] cryptKey;
}
void SavedataParam::LoadNotCryptedSave(SceUtilitySavedataParam *param, u8 *data, u8 *saveData, int &saveSize) {
if (param->dataBuf.IsValid())
memcpy(data, saveData, std::min((u32)saveSize, (u32)param->dataBufSize));
}
void SavedataParam::LoadSFO(SceUtilitySavedataParam *param, const std::string& dirPath) {
ParamSFOData sfoFile;
std::string sfopath = dirPath+"/" + SFO_FILENAME;
PSPFileInfo sfoInfo = pspFileSystem.GetFileInfo(sfopath);
if (sfoInfo.exists) {
// Read sfo
std::vector<u8> sfoData;
if (pspFileSystem.ReadEntireFile(sfopath, sfoData) >= 0) {
sfoFile.ReadSFO(sfoData);
// copy back info in request
strncpy(param->sfoParam.title,sfoFile.GetValueString("TITLE").c_str(),128);
strncpy(param->sfoParam.savedataTitle,sfoFile.GetValueString("SAVEDATA_TITLE").c_str(),128);
strncpy(param->sfoParam.detail,sfoFile.GetValueString("SAVEDATA_DETAIL").c_str(),1024);
param->sfoParam.parentalLevel = sfoFile.GetValueInt("PARENTAL_LEVEL");
}
}
}
std::set<std::string> SavedataParam::getSecureFileNames(std::string dirPath) {
PSPFileInfo sfoFileInfo = pspFileSystem.GetFileInfo(dirPath + "/" + SFO_FILENAME);
std::set<std::string> secureFileNames;
if (!sfoFileInfo.exists)
return secureFileNames;
ParamSFOData sfoFile;
std::vector<u8> sfoData;
if (pspFileSystem.ReadEntireFile(dirPath + "/" + SFO_FILENAME, sfoData) >= 0) {
sfoFile.ReadSFO(sfoData);
}
u32 sfoFileListSize = 0;
char *sfoFileList = (char *)sfoFile.GetValueData("SAVEDATA_FILE_LIST", &sfoFileListSize);
const int FILE_LIST_ITEM_SIZE = 13 + 16 + 3;
const u32 FILE_LIST_COUNT_MAX = 99;
// Filenames are 13 bytes long at most. Add a NULL so there's no surprises.
char temp[14];
temp[13] = '\0';
for (u32 i = 0; i < FILE_LIST_COUNT_MAX; ++i) {
// Ends at a NULL filename.
if (i * FILE_LIST_ITEM_SIZE >= sfoFileListSize || sfoFileList[i * FILE_LIST_ITEM_SIZE] == '\0') {
break;
}
strncpy(temp, &sfoFileList[i * FILE_LIST_ITEM_SIZE], 13);
secureFileNames.insert(temp);
}
return secureFileNames;
}
void SavedataParam::LoadFile(const std::string& dirPath, const std::string& filename, PspUtilitySavedataFileData *fileData) {
std::string filePath = dirPath + "/" + filename;
s64 readSize = -1;
if(!fileData->buf.IsValid())
return;
u8 *buf = fileData->buf;
if(ReadPSPFile(filePath, &buf, fileData->bufSize, &readSize))
fileData->size = readSize;
}
int SavedataParam::EncryptData(unsigned int mode,
unsigned char *data,
int *dataLen,
int *alignedLen,
unsigned char *hash,
unsigned char *cryptkey)
{
pspChnnlsvContext1 ctx1;
pspChnnlsvContext2 ctx2;
/* Make room for the IV in front of the data. */
memmove(data + 0x10, data, *alignedLen);
/* Set up buffers */
memset(&ctx1, 0, sizeof(pspChnnlsvContext1));
memset(&ctx2, 0, sizeof(pspChnnlsvContext2));
memset(hash, 0, 0x10);
memset(data, 0, 0x10);
/* Build the 0x10-byte IV and setup encryption */
if (sceSdCreateList_(ctx2, mode, 1, data, cryptkey) < 0)
return -1;
if (sceSdSetIndex_(ctx1, mode) < 0)
return -2;
if (sceSdRemoveValue_(ctx1, data, 0x10) < 0)
return -3;
if (sceSdSetMember_(ctx2, data + 0x10, *alignedLen) < 0)
return -4;
/* Clear any extra bytes left from the previous steps */
memset(data + 0x10 + *dataLen, 0, *alignedLen - *dataLen);
/* Encrypt the data */
if (sceSdRemoveValue_(ctx1, data + 0x10, *alignedLen) < 0)
return -5;
/* Verify encryption */
if (sceChnnlsv_21BE78B4_(ctx2) < 0)
return -6;
/* Build the file hash from this PSP */
if (sceSdGetLastIndex_(ctx1, hash, cryptkey) < 0)
return -7;
/* Adjust sizes to account for IV */
*alignedLen += 0x10;
*dataLen += 0x10;
/* All done */
return 0;
}
int SavedataParam::DecryptSave(unsigned int mode,
unsigned char *data,
int *dataLen,
int *alignedLen,
unsigned char *cryptkey)
{
pspChnnlsvContext1 ctx1;
pspChnnlsvContext2 ctx2;
/* Need a 16-byte IV plus some data */
if (*alignedLen <= 0x10)
return -1;
*dataLen -= 0x10;
*alignedLen -= 0x10;
/* Set up buffers */
memset(&ctx1, 0, sizeof(pspChnnlsvContext1));
memset(&ctx2, 0, sizeof(pspChnnlsvContext2));
/* Perform the magic */
if (sceSdSetIndex_(ctx1, mode) < 0)
return -2;
if (sceSdCreateList_(ctx2, mode, 2, data, cryptkey) < 0)
return -3;
if (sceSdRemoveValue_(ctx1, data, 0x10) < 0)
return -4;
if (sceSdRemoveValue_(ctx1, data + 0x10, *alignedLen) < 0)
return -5;
if (sceSdSetMember_(ctx2, data + 0x10, *alignedLen) < 0)
return -6;
/* Verify that it decrypted correctly */
if (sceChnnlsv_21BE78B4_(ctx2) < 0)
return -7;
/* The decrypted data starts at data + 0x10, so shift it back. */
memmove(data, data + 0x10, *dataLen);
return 0;
}
int SavedataParam::UpdateHash(u8* sfoData, int sfoSize, int sfoDataParamsOffset, int encryptmode)
{
int alignedLen = align16(sfoSize);
memset(sfoData+sfoDataParamsOffset, 0, 128);
u8 filehash[16];
int ret = 0;
int firstHashMode = encryptmode & 2 ? 4 : 2;
int secondHashMode = encryptmode & 2 ? 3 : 0;
if (encryptmode & 4) {
firstHashMode = 6;
secondHashMode = 5;
}
// Compute 11D0 hash over entire file
if ((ret = BuildHash(filehash, sfoData, sfoSize, alignedLen, firstHashMode, 0)) < 0)
{
// Not sure about "2"
return ret - 400;
}
// Copy 11D0 hash to param.sfo and set flag indicating it's there
memcpy(sfoData+sfoDataParamsOffset + 0x20, filehash, 0x10);
*(sfoData+sfoDataParamsOffset) |= 0x01;
// If new encryption mode, compute and insert the 1220 hash.
if (encryptmode & 6)
{
/* Enable the hash bit first */
*(sfoData+sfoDataParamsOffset) |= (encryptmode & 6) << 4;
if ((ret = BuildHash(filehash, sfoData, sfoSize, alignedLen, secondHashMode, 0)) < 0)
{
return ret - 500;
}
memcpy(sfoData+sfoDataParamsOffset + 0x70, filehash, 0x10);
}
/* Compute and insert the 11C0 hash. */
if ((ret = BuildHash(filehash, sfoData, sfoSize, alignedLen, 1, 0)) < 0)
{
return ret - 600;
}
memcpy(sfoData+sfoDataParamsOffset + 0x10, filehash, 0x10);
/* All done. */
return 0;
}
int SavedataParam::BuildHash(unsigned char *output,
unsigned char *data,
unsigned int len,
unsigned int alignedLen,
int mode,
unsigned char *cryptkey)
{
pspChnnlsvContext1 ctx1;
/* Set up buffers */
memset(&ctx1, 0, sizeof(pspChnnlsvContext1));
memset(output, 0, 0x10);
memset(data + len, 0, alignedLen - len);
/* Perform the magic */
if (sceSdSetIndex_(ctx1, mode & 0xFF) < 0)
return -1;
if (sceSdRemoveValue_(ctx1, data, alignedLen) < 0)
return -2;
if (sceSdGetLastIndex_(ctx1, output, cryptkey) < 0)
{
// Got here since Kirk CMD5 missing, return random value;
memset(output,0x1,0x10);
return 0;
}
/* All done. */
return 0;
}
std::string SavedataParam::GetSpaceText(u64 size)
{
static const char *suffixes[] = {"B", "KB", "MB", "GB"};
char text[50];
for (size_t i = 0; i < ARRAY_SIZE(suffixes); ++i)
{
if (size < 1024)
{
snprintf(text, sizeof(text), "%lld %s", size, suffixes[i]);
return std::string(text);
}
size /= 1024;
}
snprintf(text, sizeof(text), "%lld TB", size);
return std::string(text);
}
int SavedataParam::GetSizes(SceUtilitySavedataParam *param)
{
if (!param) {
return SCE_UTILITY_SAVEDATA_ERROR_SIZES_NO_DATA;
}
int ret = 0;
if (param->msFree.IsValid())
{
const u64 freeBytes = MemoryStick_FreeSpace();
param->msFree->clusterSize = (u32)MemoryStick_SectorSize();
param->msFree->freeClusters = (u32)(freeBytes / MemoryStick_SectorSize());
param->msFree->freeSpaceKB = (u32)(freeBytes / 0x400);
const std::string spaceTxt = SavedataParam::GetSpaceText(freeBytes);
memset(param->msFree->freeSpaceStr, 0, sizeof(param->msFree->freeSpaceStr));
strncpy(param->msFree->freeSpaceStr, spaceTxt.c_str(), sizeof(param->msFree->freeSpaceStr));
}
if (param->msData.IsValid())
{
const std::string gameName(param->msData->gameName, strnlen(param->msData->gameName, sizeof(param->msData->gameName)));
const std::string saveName(param->msData->saveName, strnlen(param->msData->saveName, sizeof(param->msData->saveName)));
// TODO: How should <> be handled?
std::string path = GetSaveFilePath(param, gameName + (saveName == "<>" ? "" : saveName));
PSPFileInfo finfo = pspFileSystem.GetFileInfo(path);
if (finfo.exists)
{
param->msData->info.usedClusters = 0;
auto listing = pspFileSystem.GetDirListing(path);
for (auto it = listing.begin(), end = listing.end(); it != end; ++it) {
param->msData->info.usedClusters += (it->size + (u32)MemoryStick_SectorSize() - 1) / (u32)MemoryStick_SectorSize();
}
// The usedSpaceKB value is definitely based on clusters, not bytes or even KB.
// Fieldrunners expects 736 KB, even though the files add up to ~600 KB.
int total_size = param->msData->info.usedClusters * (u32)MemoryStick_SectorSize();
param->msData->info.usedSpaceKB = total_size / 0x400;
std::string spaceTxt = SavedataParam::GetSpaceText(total_size);
strncpy(param->msData->info.usedSpaceStr, spaceTxt.c_str(), sizeof(param->msData->info.usedSpaceStr));
// TODO: What does this mean, then? Seems to be the same.
param->msData->info.usedSpace32KB = param->msData->info.usedSpaceKB;
strncpy(param->msData->info.usedSpace32Str, spaceTxt.c_str(), sizeof(param->msData->info.usedSpace32Str));
}
else
{
param->msData->info.usedClusters = 0;
param->msData->info.usedSpaceKB = 0;
strncpy(param->msData->info.usedSpaceStr, "", sizeof(param->msData->info.usedSpaceStr));
param->msData->info.usedSpace32KB = 0;
strncpy(param->msData->info.usedSpace32Str, "", sizeof(param->msData->info.usedSpace32Str));
ret = SCE_UTILITY_SAVEDATA_ERROR_SIZES_NO_DATA;
}
}
if (param->utilityData.IsValid())
{
int total_size = 0;
total_size += getSizeNormalized(1); // SFO;
total_size += getSizeNormalized((u32)param->dataSize == 0 ? 1 : (u32)param->dataSize); // Save Data
total_size += getSizeNormalized(param->icon0FileData.size);
total_size += getSizeNormalized(param->icon1FileData.size);
total_size += getSizeNormalized(param->pic1FileData.size);
total_size += getSizeNormalized(param->snd0FileData.size);
param->utilityData->usedClusters = total_size / (u32)MemoryStick_SectorSize();
param->utilityData->usedSpaceKB = total_size / 0x400;
std::string spaceTxt = SavedataParam::GetSpaceText(total_size);
memset(param->utilityData->usedSpaceStr, 0, sizeof(param->utilityData->usedSpaceStr));
strncpy(param->utilityData->usedSpaceStr, spaceTxt.c_str(), sizeof(param->utilityData->usedSpaceStr));
// TODO: Maybe these are rounded to the nearest 32KB? Or something?
param->utilityData->usedSpace32KB = total_size / 0x400;
spaceTxt = SavedataParam::GetSpaceText(total_size);
memset(param->utilityData->usedSpace32Str, 0, sizeof(param->utilityData->usedSpace32Str));
strncpy(param->utilityData->usedSpace32Str, spaceTxt.c_str(), sizeof(param->utilityData->usedSpace32Str));
}
return ret;
}
bool SavedataParam::GetList(SceUtilitySavedataParam *param)
{
if (!param) {
return false;
}
if (param->idList.IsValid())
{
u32 maxFile = param->idList->maxCount;
std::vector<PSPFileInfo> validDir;
std::vector<PSPFileInfo> sfoFiles;
std::vector<PSPFileInfo> allDir = pspFileSystem.GetDirListing(savePath);
if (param->idList.IsValid())
{
std::string searchString = GetGameName(param)+GetSaveName(param);
for (size_t i = 0; i < allDir.size() && validDir.size() < maxFile; i++)
{
std::string dirName = allDir[i].name;
if(PSPMatch(dirName, searchString))
{
validDir.push_back(allDir[i]);
}
}
PSPFileInfo sfoFile;
for (size_t i = 0; i < validDir.size(); ++i) {
// GetFileName(param) == NUll here
// so use sfo files to set the date.
sfoFile = pspFileSystem.GetFileInfo(savePath + validDir[i].name + "/" + "PARAM.SFO");
sfoFiles.push_back(sfoFile);
}
SceUtilitySavedataIdListEntry *entries = param->idList->entries;
for (u32 i = 0; i < (u32)validDir.size(); i++)
{
entries[i].st_mode = 0x11FF;
if (sfoFiles[i].exists) {
__IoCopyDate(entries[i].st_ctime, sfoFiles[i].ctime);
__IoCopyDate(entries[i].st_atime, sfoFiles[i].atime);
__IoCopyDate(entries[i].st_mtime, sfoFiles[i].mtime);
} else {
__IoCopyDate(entries[i].st_ctime, validDir[i].ctime);
__IoCopyDate(entries[i].st_atime, validDir[i].atime);
__IoCopyDate(entries[i].st_mtime, validDir[i].mtime);
}
// folder name without gamename (max 20 u8)
std::string outName = validDir[i].name.substr(GetGameName(param).size());
memset(entries[i].name, 0, sizeof(entries[i].name));
strncpy(entries[i].name, outName.c_str(), sizeof(entries[i].name));
}
}
// Save num of folder found
param->idList->resultCount = (u32)validDir.size();
}
return true;
}
int SavedataParam::GetFilesList(SceUtilitySavedataParam *param)
{
if (!param) {
return SCE_UTILITY_SAVEDATA_ERROR_RW_BAD_STATUS;
}
if (!param->fileList.IsValid()) {
ERROR_LOG_REPORT(SCEUTILITY, "SavedataParam::GetFilesList(): bad fileList address %08x", param->fileList.ptr);
// Should crash.
return -1;
}
auto &fileList = param->fileList;
if (fileList->secureEntries.IsValid() && fileList->maxSecureEntries > 99) {
ERROR_LOG_REPORT(SCEUTILITY, "SavedataParam::GetFilesList(): too many secure entries, %d", fileList->maxSecureEntries);
return SCE_UTILITY_SAVEDATA_ERROR_RW_BAD_PARAMS;
}
if (fileList->normalEntries.IsValid() && fileList->maxNormalEntries > 8192) {
ERROR_LOG_REPORT(SCEUTILITY, "SavedataParam::GetFilesList(): too many normal entries, %d", fileList->maxNormalEntries);
return SCE_UTILITY_SAVEDATA_ERROR_RW_BAD_PARAMS;
}
if (sceKernelGetCompiledSdkVersion() >= 0x02060000) {
if (fileList->systemEntries.IsValid() && fileList->maxSystemEntries > 5) {
ERROR_LOG_REPORT(SCEUTILITY, "SavedataParam::GetFilesList(): too many system entries, %d", fileList->maxSystemEntries);
return SCE_UTILITY_SAVEDATA_ERROR_RW_BAD_PARAMS;
}
}
std::string dirPath = savePath + GetGameName(param) + GetSaveName(param);
if (!pspFileSystem.GetFileInfo(dirPath).exists) {
DEBUG_LOG(SCEUTILITY, "SavedataParam::GetFilesList(): directory %s does not exist", dirPath.c_str());
return SCE_UTILITY_SAVEDATA_ERROR_RW_NO_DATA;
}
// Even if there are no files, initialize to 0.
fileList->resultNumSecureEntries = 0;
fileList->resultNumNormalEntries = 0;
fileList->resultNumSystemEntries = 0;
// We need PARAMS.SFO's SAVEDATA_FILE_LIST to determine which entries are secure.
PSPFileInfo sfoFileInfo = pspFileSystem.GetFileInfo(dirPath + "/" + SFO_FILENAME);
std::set<std::string> secureFilenames;
if (sfoFileInfo.exists) {
secureFilenames = getSecureFileNames(dirPath);
} else {
return SCE_UTILITY_SAVEDATA_ERROR_RW_DATA_BROKEN;
}
// Does not list directories, nor recurse into them, and ignores files not ALL UPPERCASE.
auto files = pspFileSystem.GetDirListing(dirPath);
for (auto file = files.begin(), end = files.end(); file != end; ++file) {
if (file->type == FILETYPE_DIRECTORY) {
continue;
}
// TODO: What are the exact rules? It definitely skips lowercase, and allows FILE or FILE.EXT.
if (file->name.find_first_of("abcdefghijklmnopqrstuvwxyz") != file->name.npos) {
DEBUG_LOG(SCEUTILITY, "SavedataParam::GetFilesList(): skipping file %s with lowercase", file->name.c_str());
continue;
}
bool isSystemFile = file->name == ICON0_FILENAME || file->name == ICON1_FILENAME || file->name == PIC1_FILENAME;
isSystemFile = isSystemFile || file->name == SND0_FILENAME || file->name == SFO_FILENAME;
SceUtilitySavedataFileListEntry *entry = NULL;
int sizeOffset = 0;
if (isSystemFile) {
if (fileList->systemEntries.IsValid() && fileList->resultNumSystemEntries < fileList->maxSystemEntries) {
entry = &fileList->systemEntries[fileList->resultNumSystemEntries++];
}
} else if (secureFilenames.find(file->name) != secureFilenames.end()) {
if (fileList->secureEntries.IsValid() && fileList->resultNumSecureEntries < fileList->maxSecureEntries) {
entry = &fileList->secureEntries[fileList->resultNumSecureEntries++];
}
// Secure files are slightly bigger.
bool isCrypted = GetSaveCryptMode(param, GetSaveDirName(param, 0)) != 0;
if (isCrypted) {
sizeOffset = -0x10;
}
} else {
if (fileList->normalEntries.IsValid() && fileList->resultNumNormalEntries < fileList->maxNormalEntries) {
entry = &fileList->normalEntries[fileList->resultNumNormalEntries++];
}
}
// Out of space for this file in the list.
if (entry == NULL) {
continue;
}
entry->st_mode = 0x21FF;
entry->st_size = file->size + sizeOffset;
__IoCopyDate(entry->st_ctime, file->ctime);
__IoCopyDate(entry->st_atime, file->atime);
__IoCopyDate(entry->st_mtime, file->mtime);
// TODO: Probably actually 13 + 3 pad...
strncpy(entry->name, file->name.c_str(), 16);
entry->name[15] = '\0';
}
// TODO: Does this always happen?
// Don't know what it is, but PSP always respond this
param->bind = 1021;
return 0;
}
bool SavedataParam::GetSize(SceUtilitySavedataParam *param)
{
if (!param)
{
return false;
}
std::string saveDir = savePath + GetGameName(param) + GetSaveName(param);
PSPFileInfo info = pspFileSystem.GetFileInfo(saveDir);
bool exists = info.exists;
if (param->sizeInfo.IsValid())
{
const u64 freeBytes = MemoryStick_FreeSpace();
// TODO: Read the entries and count up the size vs. existing size?
param->sizeInfo->sectorSize = (int)MemoryStick_SectorSize();
param->sizeInfo->freeSectors = (int)(freeBytes / MemoryStick_SectorSize());
// TODO: Is this after the specified files? Before?
param->sizeInfo->freeKB = (int)(freeBytes / 1024);
std::string spaceTxt = SavedataParam::GetSpaceText(freeBytes);
strncpy(param->sizeInfo->freeString, spaceTxt.c_str(), 8);
param->sizeInfo->freeString[7] = '\0';
// TODO.
param->sizeInfo->neededKB = 0;
strcpy(param->sizeInfo->neededString, "0 KB");
param->sizeInfo->overwriteKB = 0;
strcpy(param->sizeInfo->overwriteString, "0 KB");
}
return exists;
}
void SavedataParam::Clear()
{
if (saveDataList)
{
for (int i = 0; i < saveNameListDataCount; i++)
{
if (saveDataList[i].texture != NULL && (!noSaveIcon || saveDataList[i].texture != noSaveIcon->texture))
delete saveDataList[i].texture;
saveDataList[i].texture = NULL;
}
delete [] saveDataList;
saveDataList = 0;
saveDataListCount = 0;
}
if (noSaveIcon)
{
if (noSaveIcon->texture != NULL)
delete noSaveIcon->texture;
noSaveIcon->texture = NULL;
delete noSaveIcon;
noSaveIcon = 0;
}
}
int SavedataParam::SetPspParam(SceUtilitySavedataParam *param)
{
pspParam = param;
if (!pspParam)
{
Clear();
return 0;
}
bool listEmptyFile = true;
if (param->mode == SCE_UTILITY_SAVEDATA_TYPE_LISTLOAD ||
param->mode == SCE_UTILITY_SAVEDATA_TYPE_LISTDELETE)
{
listEmptyFile = false;
}
SceUtilitySavedataSaveName *saveNameListData;
bool hasMultipleFileName = false;
if (param->saveNameList.IsValid())
{
Clear();
saveNameListData = param->saveNameList;
// Get number of fileName in array
saveDataListCount = 0;
while (saveNameListData[saveDataListCount][0] != 0)
{
saveDataListCount++;
}
if (saveDataListCount > 0)
{
hasMultipleFileName = true;
saveDataList = new SaveFileInfo[saveDataListCount];
// get and stock file info for each file
int realCount = 0;
for (int i = 0; i < saveDataListCount; i++) {
// "<>" means saveName can be anything...
if (strncmp(saveNameListData[i], "<>", ARRAY_SIZE(saveNameListData[i])) == 0) {
std::string fileDataPath = "";
// TODO:Maybe we need a way to reorder the files?
auto allSaves = pspFileSystem.GetDirListing(savePath);
std::string gameName = GetGameName(param);
std::string saveName = "";
for(auto it = allSaves.begin(); it != allSaves.end(); ++it) {
if(it->name.compare(0, gameName.length(), gameName) == 0) {
saveName = it->name.substr(gameName.length());
if(IsInSaveDataList(saveName, realCount)) // Already in SaveDataList, skip...
continue;
fileDataPath = savePath + it->name + "/" + GetFileName(param);
PSPFileInfo info = pspFileSystem.GetFileInfo(fileDataPath);
if (info.exists) {
SetFileInfo(realCount, info, saveName);
DEBUG_LOG(SCEUTILITY,"%s Exist",fileDataPath.c_str());
++realCount;
} else {
if (listEmptyFile) {
// If file doesn't exist,we only skip...
continue;
}
}
break;
}
}
continue;
}
const std::string thisSaveName = FixedToString(saveNameListData[i], ARRAY_SIZE(saveNameListData[i]));
DEBUG_LOG(SCEUTILITY, "Name : %s", thisSaveName.c_str());
std::string fileDataPath = savePath + GetGameName(param) + thisSaveName + "/" + GetFileName(param);
PSPFileInfo info = pspFileSystem.GetFileInfo(fileDataPath);
if (info.exists)
{
SetFileInfo(realCount, info, thisSaveName);
DEBUG_LOG(SCEUTILITY,"%s Exist",fileDataPath.c_str());
realCount++;
}
else
{
if (listEmptyFile)
{
ClearFileInfo(saveDataList[realCount], thisSaveName);
DEBUG_LOG(SCEUTILITY,"Don't Exist");
realCount++;
}
}
}
saveNameListDataCount = realCount;
}
}
if (!hasMultipleFileName) // Load info on only save
{
saveNameListData = 0;
Clear();
saveDataList = new SaveFileInfo[1];
saveDataListCount = 1;
// get and stock file info for each file
DEBUG_LOG(SCEUTILITY,"Name : %s",GetSaveName(param).c_str());
std::string fileDataPath = savePath + GetGameName(param) + GetSaveName(param) + "/" + GetFileName(param);
PSPFileInfo info = pspFileSystem.GetFileInfo(fileDataPath);
if (info.exists)
{
SetFileInfo(0, info, GetSaveName(param));
DEBUG_LOG(SCEUTILITY,"%s Exist",fileDataPath.c_str());
saveNameListDataCount = 1;
}
else
{
if (listEmptyFile)
{
ClearFileInfo(saveDataList[0], GetSaveName(param));
DEBUG_LOG(SCEUTILITY,"Don't Exist");
}
saveNameListDataCount = 0;
return 0;
}
}
return 0;
}
void SavedataParam::SetFileInfo(SaveFileInfo &saveInfo, PSPFileInfo &info, std::string saveName)
{
saveInfo.size = info.size;
saveInfo.saveName = saveName;
saveInfo.idx = 0;
saveInfo.modif_time = info.mtime;
// Start with a blank slate.
if (saveInfo.texture != NULL) {
if (!noSaveIcon || saveInfo.texture != noSaveIcon->texture) {
delete saveInfo.texture;
}
saveInfo.texture = NULL;
}
saveInfo.title[0] = 0;
saveInfo.saveTitle[0] = 0;
saveInfo.saveDetail[0] = 0;
// Search save image icon0
// TODO : If icon0 don't exist, need to use icon1 which is a moving icon. Also play sound
std::string fileDataPath2 = savePath + GetGameName(pspParam) + saveName + "/" + ICON0_FILENAME;
PSPFileInfo info2 = pspFileSystem.GetFileInfo(fileDataPath2);
if (info2.exists)
saveInfo.texture = new PPGeImage(fileDataPath2);
// Load info in PARAM.SFO
fileDataPath2 = savePath + GetGameName(pspParam) + saveName + "/" + SFO_FILENAME;
info2 = pspFileSystem.GetFileInfo(fileDataPath2);
if (info2.exists)
{
std::vector<u8> sfoData;
pspFileSystem.ReadEntireFile(fileDataPath2, sfoData);
ParamSFOData sfoFile;
if (sfoFile.ReadSFO(sfoData))
{
SetStringFromSFO(sfoFile, "TITLE", saveInfo.title, sizeof(saveInfo.title));
SetStringFromSFO(sfoFile, "SAVEDATA_TITLE", saveInfo.saveTitle, sizeof(saveInfo.saveTitle));
SetStringFromSFO(sfoFile, "SAVEDATA_DETAIL", saveInfo.saveDetail, sizeof(saveInfo.saveDetail));
}
}
}
void SavedataParam::SetFileInfo(int idx, PSPFileInfo &info, std::string saveName)
{
SetFileInfo(saveDataList[idx], info, saveName);
saveDataList[idx].idx = idx;
}
void SavedataParam::ClearFileInfo(SaveFileInfo &saveInfo, std::string saveName)
{
saveInfo.size = 0;
saveInfo.saveName = saveName;
saveInfo.idx = 0;
if (saveInfo.texture != NULL) {
if (!noSaveIcon || saveInfo.texture != noSaveIcon->texture) {
delete saveInfo.texture;
}
saveInfo.texture = NULL;
}
if (GetPspParam()->newData.IsValid() && GetPspParam()->newData->buf.IsValid())
{
// We have a png to show
if (!noSaveIcon)
{
noSaveIcon = new SaveFileInfo();
PspUtilitySavedataFileData *newData = GetPspParam()->newData;
noSaveIcon->texture = new PPGeImage(newData->buf.ptr, (SceSize)newData->size);
}
saveInfo.texture = noSaveIcon->texture;
}
}
SceUtilitySavedataParam *SavedataParam::GetPspParam()
{
return pspParam;
}
const SceUtilitySavedataParam *SavedataParam::GetPspParam() const
{
return pspParam;
}
int SavedataParam::GetFilenameCount()
{
return saveNameListDataCount;
}
const SaveFileInfo& SavedataParam::GetFileInfo(int idx)
{
return saveDataList[idx];
}
std::string SavedataParam::GetFilename(int idx) const
{
return saveDataList[idx].saveName;
}
int SavedataParam::GetSelectedSave()
{
// The slot # of the same save on LOAD/SAVE lists can dismatch so this isn't right anyhow
return selectedSave < saveNameListDataCount ? selectedSave : 0;
}
void SavedataParam::SetSelectedSave(int idx)
{
selectedSave = idx;
}
int SavedataParam::GetFirstListSave()
{
return 0;
}
int SavedataParam::GetLastListSave()
{
return saveNameListDataCount - 1;
}
int SavedataParam::GetLatestSave()
{
int idx = 0;
time_t idxTime = 0;
for (int i = 0; i < saveNameListDataCount; ++i)
{
if (saveDataList[i].size == 0)
continue;
time_t thisTime = mktime(&saveDataList[i].modif_time);
if ((s64)idxTime < (s64)thisTime)
{
idx = i;
idxTime = thisTime;
}
}
return idx;
}
int SavedataParam::GetOldestSave()
{
int idx = 0;
time_t idxTime = 0;
for (int i = 0; i < saveNameListDataCount; ++i)
{
if (saveDataList[i].size == 0)
continue;
time_t thisTime = mktime(&saveDataList[i].modif_time);
if ((s64)idxTime > (s64)thisTime)
{
idx = i;
idxTime = thisTime;
}
}
return idx;
}
int SavedataParam::GetFirstDataSave()
{
int idx = 0;
for (int i = 0; i < saveNameListDataCount; ++i)
{
if (saveDataList[i].size != 0)
{
idx = i;
break;
}
}
return idx;
}
int SavedataParam::GetLastDataSave()
{
int idx = 0;
for (int i = saveNameListDataCount; i > 0; )
{
--i;
if (saveDataList[i].size != 0)
{
idx = i;
break;
}
}
return idx;
}
int SavedataParam::GetFirstEmptySave()
{
int idx = 0;
for (int i = 0; i < saveNameListDataCount; ++i)
{
if (saveDataList[i].size == 0)
{
idx = i;
break;
}
}
return idx;
}
int SavedataParam::GetLastEmptySave()
{
int idx = 0;
for (int i = saveNameListDataCount; i > 0; )
{
--i;
if (saveDataList[i].size == 0)
{
idx = i;
break;
}
}
return idx;
}
int SavedataParam::GetSaveNameIndex(SceUtilitySavedataParam* param)
{
std::string saveName = GetSaveName(param);
for (int i = 0; i < saveNameListDataCount; i++)
{
// TODO: saveName may contain wildcards
if (saveDataList[i].saveName == saveName)
{
return i;
}
}
return 0;
}
void SavedataParam::DoState(PointerWrap &p)
{
auto s = p.Section("SavedataParam", 1);
if (!s)
return;
// pspParam is handled in PSPSaveDialog.
p.Do(selectedSave);
p.Do(saveDataListCount);
p.Do(saveNameListDataCount);
if (p.mode == p.MODE_READ)
{
if (saveDataList != NULL)
delete [] saveDataList;
if (saveDataListCount != 0)
{
saveDataList = new SaveFileInfo[saveDataListCount];
p.DoArray(saveDataList, saveDataListCount);
}
else
saveDataList = NULL;
}
else
p.DoArray(saveDataList, saveDataListCount);
}
int SavedataParam::GetSaveCryptMode(SceUtilitySavedataParam* param, const std::string &saveDirName)
{
ParamSFOData sfoFile;
std::string dirPath = GetSaveFilePath(param, GetSaveDir(param, saveDirName));
std::string sfopath = dirPath + "/" + SFO_FILENAME;
PSPFileInfo sfoInfo = pspFileSystem.GetFileInfo(sfopath);
if(sfoInfo.exists) // Read sfo
{
std::vector<u8> sfoData;
if (pspFileSystem.ReadEntireFile(sfopath, sfoData) >= 0)
{
sfoFile.ReadSFO(sfoData);
// save created in PPSSPP and not encrypted has '0' in SAVEDATA_PARAMS
u32 tmpDataSize = 0;
const u8 *tmpDataOrig = sfoFile.GetValueData("SAVEDATA_PARAMS", &tmpDataSize);
if (tmpDataSize == 0 || !tmpDataOrig) {
return 0;
}
switch (tmpDataOrig[0]) {
case 0:
return 0;
case 0x01:
return 1;
case 0x21:
return 3;
case 0x41:
return 5;
default:
// Well, it's not zero, so yes.
ERROR_LOG_REPORT(SCEUTILITY, "Unexpected SAVEDATA_PARAMS hash flag: %02x", tmpDataOrig[0]);
return 1;
}
}
}
return 0;
}
bool SavedataParam::IsInSaveDataList(std::string saveName, int count) {
for(int i = 0; i < count; ++i) {
if(strcmp(saveDataList[i].saveName.c_str(),saveName.c_str()) == 0)
return true;
}
return false;
}
bool SavedataParam::IsSaveDirectoryExist(SceUtilitySavedataParam* param) {
std::string dirPath = savePath + GetGameName(param) + GetSaveName(param);
PSPFileInfo directoryInfo = pspFileSystem.GetFileInfo(dirPath);
return directoryInfo.exists;
}
bool SavedataParam::IsSfoFileExist(SceUtilitySavedataParam* param) {
std::string dirPath = savePath + GetGameName(param) + GetSaveName(param);
std::string sfoPath = dirPath + "/" + SFO_FILENAME;
PSPFileInfo sfoInfo = pspFileSystem.GetFileInfo(sfoPath);
return sfoInfo.exists;
}
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