bool SavedataParam::GetFilesList(SceUtilitySavedataParam *param)
{
if (!param)
{
return false;
}
u32 dataAddr = param->fileListAddr;
if (!Memory::IsValidAddress(dataAddr))
return false;
// TODO : Need to be checked against more game
u32 fileInfosAddr = Memory::Read_U32(dataAddr + 24);
//for Valkyria2, dataAddr+0 and dataAddr+12 has "5" for 5 files
int numFiles = Memory::Read_U32(dataAddr+12);
int foundFiles = 0;
for (int i = 0; i < numFiles; i++)
{
// for each file (80 bytes):
// u32 mode, u32 ??, u64 size, u64 ctime, u64 ??, u64 atime, u64 ???, u64 mtime, u64 ???
// u8[16] filename (or 13 + padding?)
u32 curFileInfoAddr = fileInfosAddr + i*80;
char fileName[16];
strncpy(fileName, Memory::GetCharPointer(curFileInfoAddr + 64),16);
std::string filePath = savePath + GetGameName(param) + GetSaveName(param) + "/" + fileName;
PSPFileInfo info = pspFileSystem.GetFileInfo(filePath);
if (info.exists)
{
bool isCrypted = IsSaveEncrypted(param,0);
Memory::Write_U32(0x21FF, curFileInfoAddr+0);
if(isCrypted) // Crypted save are 16 bytes bigger
Memory::Write_U64(info.size - 0x10, curFileInfoAddr+8);
else
Memory::Write_U64(info.size, curFileInfoAddr+8);
Memory::Write_U64(0,curFileInfoAddr + 16); // TODO ctime
Memory::Write_U64(0,curFileInfoAddr + 24); // TODO unknow
Memory::Write_U64(0,curFileInfoAddr + 32); // TODO atime
Memory::Write_U64(0,curFileInfoAddr + 40); // TODO unknow
Memory::Write_U64(0,curFileInfoAddr + 48); // TODO mtime
Memory::Write_U64(0,curFileInfoAddr + 56); // TODO unknow
foundFiles++;
}
}
// TODO : verify if return true if at least 1 file found or only if all found
return foundFiles > 0;
}
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;
}
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;
}