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Add sanity checks to refuse to delete bad savedata (resulted in devastating delete of SAVEDATA/ in MGS PW!)

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Thanks QWEmct for reporting in #6600.

This is not a full fix, really, a "NEW DATA" savegame should not show up in the delete list, but at least this prevents the bad thing from happening.
This commit is contained in:
Henrik Rydgard 2014-07-21 20:28:23 +02:00
parent c8ac26e502
commit 7802bf57f0
1 changed files with 30 additions and 11 deletions
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41
Core/Dialog/SavedataParam.cpp
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@ -252,6 +252,9 @@ std::string SavedataParam::GetSaveFilePath(const SceUtilitySavedataParam *param,
return "";
}
if (!saveDir.size())
return "";
return savePath + saveDir;
}
@ -311,14 +314,23 @@ bool SavedataParam::HasKey(const SceUtilitySavedataParam *param) const
return false;
}
bool SavedataParam::Delete(SceUtilitySavedataParam* param, int saveId)
{
if (!param)
{
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;
}
@ -328,21 +340,28 @@ bool SavedataParam::Delete(SceUtilitySavedataParam* param, int saveId)
}
int SavedataParam::DeleteData(SceUtilitySavedataParam* param) {
if(!param)
if (!param) {
return SCE_UTILITY_SAVEDATA_ERROR_DELETE_NO_DATA;
if (param->fileName[0] == '\0')
}
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;
}
std::string filename = savePath + GetGameName(param) + GetSaveName(param) + "/" + GetFileName(param);
PSPFileInfo info = pspFileSystem.GetFileInfo(filename);
if (info.exists)
if (info.exists) {
pspFileSystem.RemoveFile(filename);
}
return 0;
}
bool SavedataParam::Save(SceUtilitySavedataParam* param, const std::string &saveDirName, bool secureMode)
{
bool SavedataParam::Save(SceUtilitySavedataParam* param, const std::string &saveDirName, bool secureMode) {
if (!param) {
return false;
}