bool SavedataParam::Load(SceUtilitySavedataParam *param, int saveId)
{
if (!param) {
return false;
}
u8 *data_ = (u8*)Memory::GetPointer(param->dataBuf);
std::string dirPath = GetSaveFilePath(param, saveId);
if (saveId >= 0 && saveNameListDataCount > 0) // if user selection, use it
{
if (saveDataList[saveId].size == 0) // don't read no existing file
{
return false;
}
}
std::string filePath = dirPath+"/"+GetFileName(param);
s64 readSize;
INFO_LOG(HLE,"Loading file with size %u in %s",param->dataBufSize,filePath.c_str());
if (!ReadPSPFile(filePath, data_, param->dataBufSize, &readSize))
{
ERROR_LOG(HLE,"Error reading file %s",filePath.c_str());
return false;
}
param->dataSize = (SceSize)readSize;
// copy back save name in request
strncpy(param->saveName,GetSaveDirName(param, saveId).c_str(),20);
ParamSFOData sfoFile;
std::string sfopath = dirPath+"/"+sfoName;
PSPFileInfo sfoInfo = pspFileSystem.GetFileInfo(sfopath);
if(sfoInfo.exists) // Read sfo
{
u8 *sfoData = new u8[(size_t)sfoInfo.size];
size_t sfoSize = (size_t)sfoInfo.size;
if(ReadPSPFile(sfopath,sfoData,sfoSize, NULL))
{
sfoFile.ReadSFO(sfoData,sfoSize);
// 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");
}
delete[] sfoData;
}
// Don't know what it is, but PSP always respond this and this unlock some game
param->bind = 1021;
return true;
}
bool SavedataParam::IsSaveEncrypted(SceUtilitySavedataParam* param, int saveId)
{
bool isCrypted = false;
ParamSFOData sfoFile;
std::string dirPath = GetSaveFilePath(param, saveId);
std::string sfopath = dirPath+"/"+sfoName;
PSPFileInfo sfoInfo = pspFileSystem.GetFileInfo(sfopath);
if(sfoInfo.exists) // Read sfo
{
u8 *sfoData = new u8[(size_t)sfoInfo.size];
size_t sfoSize = (size_t)sfoInfo.size;
if(ReadPSPFile(sfopath,&sfoData,sfoSize, NULL))
{
sfoFile.ReadSFO(sfoData,sfoSize);
// save created in PPSSPP and not encrypted has '0' in SAVEDATA_PARAMS
u32 tmpDataSize = 0;
u8* tmpDataOrig = sfoFile.GetValueData("SAVEDATA_PARAMS", &tmpDataSize);
for(u32 i = 0; i < tmpDataSize; i++)
{
if(tmpDataOrig[i] != 0)
{
isCrypted = true;
break;
}
}
}
delete[] sfoData;
}
return isCrypted;
}
void SavedataParam::SetFileInfo(int idx, PSPFileInfo &info, std::string saveName)
{
saveDataList[idx].size = info.size;
saveDataList[idx].saveName = saveName;
saveDataList[idx].idx = 0;
saveDataList[idx].modif_time = info.mtime;
// Start with a blank slate.
saveDataList[idx].textureData = 0;
saveDataList[idx].title[0] = 0;
saveDataList[idx].saveTitle[0] = 0;
saveDataList[idx].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 + "/" + icon0Name;
PSPFileInfo info2 = pspFileSystem.GetFileInfo(fileDataPath2);
if (info2.exists)
{
u8 *textureDataPNG = new u8[(size_t)info2.size];
ReadPSPFile(fileDataPath2, textureDataPNG, info2.size, NULL);
CreatePNGIcon(textureDataPNG, (int)info2.size, saveDataList[idx]);
delete[] textureDataPNG;
}
// Load info in PARAM.SFO
fileDataPath2 = savePath + GetGameName(pspParam) + saveName + "/" + sfoName;
info2 = pspFileSystem.GetFileInfo(fileDataPath2);
if (info2.exists)
{
u8 *sfoParam = new u8[(size_t)info2.size];
ReadPSPFile(fileDataPath2, sfoParam, info2.size, NULL);
ParamSFOData sfoFile;
if (sfoFile.ReadSFO(sfoParam,(size_t)info2.size))
{
SetStringFromSFO(sfoFile, "TITLE", saveDataList[idx].title, sizeof(saveDataList[idx].title));
SetStringFromSFO(sfoFile, "SAVEDATA_TITLE", saveDataList[idx].saveTitle, sizeof(saveDataList[idx].saveTitle));
SetStringFromSFO(sfoFile, "SAVEDATA_DETAIL", saveDataList[idx].saveDetail, sizeof(saveDataList[idx].saveDetail));
}
delete [] sfoParam;
}
}
bool SavedataParam::Save(SceUtilitySavedataParam* param, int saveId)
{
if (!param) {
return false;
}
std::string dirPath = GetSaveFilePath(param, saveId);
if (!pspFileSystem.GetFileInfo(dirPath).exists)
pspFileSystem.MkDir(dirPath);
if(param->dataBuf != 0) // Can launch save without save data in mode 13
{
std::string filePath = dirPath+"/"+GetFileName(param);
SceSize saveSize = param->dataSize;
if(saveSize == 0 || saveSize > param->dataBufSize)
saveSize = param->dataBufSize; // fallback, should never use this
INFO_LOG(HLE,"Saving file with size %u in %s",saveSize,filePath.c_str());
u8 *data_ = (u8*)Memory::GetPointer(param->dataBuf);
// copy back save name in request
strncpy(param->saveName,GetSaveDirName(param, saveId).c_str(),20);
if (!WritePSPFile(filePath, data_, saveSize))
{
ERROR_LOG(HLE,"Error writing file %s",filePath.c_str());
return false;
}
}
// SAVE PARAM.SFO
ParamSFOData sfoFile;
std::string sfopath = dirPath+"/"+sfoName;
PSPFileInfo sfoInfo = pspFileSystem.GetFileInfo(sfopath);
if(sfoInfo.exists) // Read old sfo if exist
{
u8 *sfoData = new u8[(size_t)sfoInfo.size];
size_t sfoSize = (size_t)sfoInfo.size;
if(ReadPSPFile(sfopath,sfoData,sfoSize, NULL))
{
sfoFile.ReadSFO(sfoData,sfoSize);
delete[] 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,saveId),64);
// For each file, 13 bytes for filename, 16 bytes for file hash (0 in PPSSPP), 3 byte for padding
const int FILE_LIST_ITEM_SIZE = 13 + 16 + 3;
const int FILE_LIST_COUNT_MAX = 99;
const int 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 != 0)
{
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; // File already in SFO
fName += FILE_LIST_ITEM_SIZE;
}
if (fName + 20 <= (char*)tmpData + FILE_LIST_TOTAL_SIZE)
snprintf(fName, 20, "%s",GetFileName(param).c_str());
}
sfoFile.SetValue("SAVEDATA_FILE_LIST", tmpData, FILE_LIST_TOTAL_SIZE, FILE_LIST_TOTAL_SIZE);
delete[] tmpData;
// No crypted save, so fill with 0
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);
WritePSPFile(sfopath, sfoData, (SceSize)sfoSize);
delete[] sfoData;
// SAVE ICON0
if (param->icon0FileData.buf)
{
u8* data_ = (u8*)Memory::GetPointer(param->icon0FileData.buf);
std::string icon0path = dirPath+"/"+icon0Name;
WritePSPFile(icon0path, data_, param->icon0FileData.bufSize);
}
// SAVE ICON1
if (param->icon1FileData.buf)
{
u8* data_ = (u8*)Memory::GetPointer(param->icon1FileData.buf);
std::string icon1path = dirPath+"/"+icon1Name;
WritePSPFile(icon1path, data_, param->icon1FileData.bufSize);
}
// SAVE PIC1
if (param->pic1FileData.buf)
{
u8* data_ = (u8*)Memory::GetPointer(param->pic1FileData.buf);
std::string pic1path = dirPath+"/"+pic1Name;
WritePSPFile(pic1path, data_, param->pic1FileData.bufSize);
}
// Save SND
if (param->snd0FileData.buf)
{
u8* data_ = (u8*)Memory::GetPointer(param->snd0FileData.buf);
std::string snd0path = dirPath+"/"+snd0Name;
WritePSPFile(snd0path, data_, param->snd0FileData.bufSize);
}
// Save Encryption Data
{
EncryptFileInfo encryptInfo;
SceSize dataSize = sizeof(encryptInfo); // version + key + sdkVersion
memset(&encryptInfo,0,dataSize);
encryptInfo.fileVersion = 1;
encryptInfo.sdkVersion = sceKernelGetCompiledSdkVersion();
if(param->size > 1500)
memcpy(encryptInfo.key,param->key,16);
std::string encryptInfoPath = dirPath+"/"+"ENCRYPT_INFO.BIN";
WritePSPFile(encryptInfoPath, (u8*)&encryptInfo, dataSize);
}
return true;
}
bool SavedataParam::Load(SceUtilitySavedataParam *param, int saveId)
{
if (!param) {
return false;
}
u8 *data_ = (u8*)Memory::GetPointer(param->dataBuf);
std::string dirPath = GetSaveFilePath(param, saveId);
if (saveId >= 0 && saveNameListDataCount > 0) // if user selection, use it
{
if (saveDataList[saveId].size == 0) // don't read no existing file
{
return false;
}
}
std::string filePath = dirPath+"/"+GetFileName(param);
s64 readSize;
INFO_LOG(HLE,"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(HLE,"Error reading file %s",filePath.c_str());
return false;
}
saveSize = (int)readSize;
// copy back save name in request
strncpy(param->saveName,GetSaveDirName(param, saveId).c_str(),20);
ParamSFOData sfoFile;
std::string sfopath = dirPath+"/"+sfoName;
PSPFileInfo sfoInfo = pspFileSystem.GetFileInfo(sfopath);
if(sfoInfo.exists) // Read sfo
{
u8 *sfoData = new u8[(size_t)sfoInfo.size];
size_t sfoSize = (size_t)sfoInfo.size;
if(ReadPSPFile(sfopath,&sfoData,sfoSize, NULL))
{
sfoFile.ReadSFO(sfoData,sfoSize);
// 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");
}
delete[] sfoData;
}
// Don't know what it is, but PSP always respond this and this unlock some game
param->bind = 1021;
bool isCrypted = IsSaveEncrypted(param,saveId);
bool saveDone = false;
if(isCrypted)// Try to decrypt
{
int align_len = align16(saveSize);
u8* data_base = new u8[align_len];
u8* cryptKey = new u8[0x10];
memset(cryptKey,0,0x10);
if(param->key[0] != 0)
{
memcpy(cryptKey, param->key, 0x10);
}
memset(data_base + saveSize, 0, align_len - saveSize);
memcpy(data_base, saveData, saveSize);
int decryptMode = 1;
if(param->key[0] != 0)
{
decryptMode = (GetSDKMainVersion(sceKernelGetCompiledSdkVersion()) >= 4 ? 5 : 3);
}
if(DecryptSave(decryptMode, data_base, &saveSize, &align_len, ((param->key[0] != 0)?cryptKey:0)) == 0)
{
memcpy(data_, data_base, saveSize);
saveDone = true;
}
delete[] data_base;
delete[] cryptKey;
}
if(!saveDone) // not crypted or decrypt fail
{
memcpy(data_, saveData, saveSize);
}
param->dataSize = (SceSize)saveSize;
delete[] saveData;
return true;
}
bool SavedataParam::Save(SceUtilitySavedataParam* param, int saveId)
{
if (!param) {
return false;
}
std::string dirPath = GetSaveFilePath(param, saveId);
if (!pspFileSystem.GetFileInfo(dirPath).exists)
pspFileSystem.MkDir(dirPath);
u8* cryptedData = 0;
int cryptedSize = 0;
u8 cryptedHash[0x10];
memset(cryptedHash,0,0x10);
// Encrypt save.
if(param->dataBuf != 0 && g_Config.bEncryptSave)
{
cryptedSize = param->dataSize;
if(cryptedSize == 0 || (SceSize)cryptedSize > param->dataBufSize)
cryptedSize = param->dataBufSize; // fallback, should never use this
u8* data_ = (u8*)Memory::GetPointer(param->dataBuf);
int aligned_len = align16(cryptedSize);
cryptedData = new u8[aligned_len + 0x10];
memcpy(cryptedData, data_, cryptedSize);
int decryptMode = 1;
if(param->key[0] != 0)
{
decryptMode = (GetSDKMainVersion(sceKernelGetCompiledSdkVersion()) >= 4 ? 5 : 3);
}
if(EncryptData(decryptMode, cryptedData, &cryptedSize, &aligned_len, cryptedHash, ((param->key[0] != 0)?param->key:0)) == 0)
{
}
else
{
ERROR_LOG(HLE,"Save encryption failed. This save won't work on real PSP");
delete[] cryptedData;
cryptedData = 0;
}
}
// SAVE PARAM.SFO
ParamSFOData sfoFile;
std::string sfopath = dirPath+"/"+sfoName;
PSPFileInfo sfoInfo = pspFileSystem.GetFileInfo(sfopath);
if(sfoInfo.exists) // Read old sfo if exist
{
u8 *sfoData = new u8[(size_t)sfoInfo.size];
size_t sfoSize = (size_t)sfoInfo.size;
if(ReadPSPFile(sfopath,&sfoData,sfoSize, NULL))
{
sfoFile.ReadSFO(sfoData,sfoSize);
delete[] 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,saveId),64);
// For each file, 13 bytes for filename, 16 bytes for file hash (0 in PPSSPP), 3 byte for padding
const int FILE_LIST_ITEM_SIZE = 13 + 16 + 3;
const int FILE_LIST_COUNT_MAX = 99;
const int 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 != 0)
{
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, FILE_LIST_TOTAL_SIZE);
delete[] tmpData;
// Init param with 0. This will be used to detect crypted save or not on loading
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, sfoSize, offset, (param->key[0]?3:1));
}
WritePSPFile(sfopath, sfoData, (SceSize)sfoSize);
delete[] sfoData;
if(param->dataBuf != 0) // 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_ = (u8*)Memory::GetPointer(param->dataBuf);
}
else
{
data_ = cryptedData;
saveSize = cryptedSize;
}
INFO_LOG(HLE,"Saving file with size %u in %s",saveSize,filePath.c_str());
// copy back save name in request
strncpy(param->saveName,GetSaveDirName(param, saveId).c_str(),20);
if (!WritePSPFile(filePath, data_, saveSize))
{
ERROR_LOG(HLE,"Error writing file %s",filePath.c_str());
if(cryptedData != 0)
{
delete[] cryptedData;
}
return false;
}
delete[] cryptedData;
}
// SAVE ICON0
if (param->icon0FileData.buf)
{
u8* data_ = (u8*)Memory::GetPointer(param->icon0FileData.buf);
std::string icon0path = dirPath+"/"+icon0Name;
WritePSPFile(icon0path, data_, param->icon0FileData.bufSize);
}
// SAVE ICON1
if (param->icon1FileData.buf)
{
u8* data_ = (u8*)Memory::GetPointer(param->icon1FileData.buf);
std::string icon1path = dirPath+"/"+icon1Name;
WritePSPFile(icon1path, data_, param->icon1FileData.bufSize);
}
// SAVE PIC1
if (param->pic1FileData.buf)
{
u8* data_ = (u8*)Memory::GetPointer(param->pic1FileData.buf);
std::string pic1path = dirPath+"/"+pic1Name;
WritePSPFile(pic1path, data_, param->pic1FileData.bufSize);
}
// Save SND
if (param->snd0FileData.buf)
{
u8* data_ = (u8*)Memory::GetPointer(param->snd0FileData.buf);
std::string snd0path = dirPath+"/"+snd0Name;
WritePSPFile(snd0path, data_, param->snd0FileData.bufSize);
}
// Save Encryption Data
{
EncryptFileInfo encryptInfo;
SceSize dataSize = sizeof(encryptInfo); // version + key + sdkVersion
memset(&encryptInfo,0,dataSize);
encryptInfo.fileVersion = 1;
encryptInfo.sdkVersion = sceKernelGetCompiledSdkVersion();
if(param->size > 1500)
memcpy(encryptInfo.key,param->key,16);
std::string encryptInfoPath = dirPath+"/"+"ENCRYPT_INFO.BIN";
WritePSPFile(encryptInfoPath, (u8*)&encryptInfo, dataSize);
}
return true;
}
int SavedataParam::GetFilesList(SceUtilitySavedataParam *param)
{
if (!param) {
return SCE_UTILITY_SAVEDATA_ERROR_RW_BAD_STATUS;
}
if (!param->fileList.Valid()) {
ERROR_LOG_REPORT(HLE, "SavedataParam::GetFilesList(): bad fileList address %08x", param->fileList.ptr);
// Should crash.
return -1;
}
auto &fileList = param->fileList;
if (fileList->secureEntries.Valid() && fileList->maxSecureEntries > 99) {
ERROR_LOG_REPORT(HLE, "SavedataParam::GetFilesList(): too many secure entries, %d", fileList->maxSecureEntries);
return SCE_UTILITY_SAVEDATA_ERROR_RW_BAD_PARAMS;
}
if (fileList->normalEntries.Valid() && fileList->maxNormalEntries > 8192) {
ERROR_LOG_REPORT(HLE, "SavedataParam::GetFilesList(): too many normal entries, %d", fileList->maxNormalEntries);
return SCE_UTILITY_SAVEDATA_ERROR_RW_BAD_PARAMS;
}
if (fileList->systemEntries.Valid() && fileList->maxSystemEntries > 5) {
ERROR_LOG_REPORT(HLE, "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(HLE, "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;
// TODO: Error code if not?
if (sfoFileInfo.exists) {
ParamSFOData sfoFile;
size_t sfoSize = (size_t)sfoFileInfo.size;
u8 *sfoData = new u8[sfoSize];
if (ReadPSPFile(dirPath + "/" + SFO_FILENAME, &sfoData, sfoSize, NULL)){
sfoFile.ReadSFO(sfoData, sfoSize);
}
delete[] sfoData;
u32 sfoFileListSize = 0;
char *sfoFileList = (char *)sfoFile.GetValueData("SAVEDATA_FILE_LIST", &sfoFileListSize);
const int FILE_LIST_ITEM_SIZE = 13 + 16 + 3;
const int 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);
}
}
// 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(HLE, "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.Valid() && fileList->resultNumSystemEntries < fileList->maxSystemEntries) {
entry = &fileList->systemEntries[fileList->resultNumSystemEntries++];
}
} else if (secureFilenames.find(file->name) != secureFilenames.end()) {
if (fileList->secureEntries.Valid() && fileList->resultNumSecureEntries < fileList->maxSecureEntries) {
entry = &fileList->secureEntries[fileList->resultNumSecureEntries++];
}
// Secure files are slightly bigger.
bool isCrypted = IsSaveEncrypted(param, GetSaveDirName(param, 0));
if (isCrypted) {
sizeOffset = -0x10;
}
} else {
if (fileList->normalEntries.Valid() && 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;
// TODO: ctime, atime, mtime
// TODO: Probably actually 13 + 3 pad...
strncpy(entry->name, file->name.c_str(), 16);
entry->name[15] = '\0';
}
return 0;
}