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Add validation to writes

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soft as HELL 2019-10-03 16:17:34 +03:00
parent 75dd582dec
commit 9508326732
1 changed files with 12 additions and 1 deletions
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13
dll/steam_remote_storage.h
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@ -84,6 +84,11 @@ bool FileWrite( const char *pchFile, const void *pvData, int32 cubData )
{ {
PRINT_DEBUG("Steam_Remote_Storage::FileWrite %s %u\n", pchFile, cubData); PRINT_DEBUG("Steam_Remote_Storage::FileWrite %s %u\n", pchFile, cubData);
std::lock_guard<std::recursive_mutex> lock(global_mutex); std::lock_guard<std::recursive_mutex> lock(global_mutex);
if (!pvData || cubData < 0 || cubData > k_unMaxCloudFileChunkSize) {
return false;
}
int data_stored = local_storage->store_data(REMOTE_STORAGE_FOLDER, pchFile, (char* )pvData, cubData); int data_stored = local_storage->store_data(REMOTE_STORAGE_FOLDER, pchFile, (char* )pvData, cubData);
PRINT_DEBUG("Steam_Remote_Storage::Stored %i, %u\n", data_stored, data_stored == cubData); PRINT_DEBUG("Steam_Remote_Storage::Stored %i, %u\n", data_stored, data_stored == cubData);
return data_stored == cubData; return data_stored == cubData;
@ -104,9 +109,15 @@ SteamAPICall_t FileWriteAsync( const char *pchFile, const void *pvData, uint32 c
{ {
PRINT_DEBUG("Steam_Remote_Storage::FileWriteAsync\n"); PRINT_DEBUG("Steam_Remote_Storage::FileWriteAsync\n");
std::lock_guard<std::recursive_mutex> lock(global_mutex); std::lock_guard<std::recursive_mutex> lock(global_mutex);
if (!pvData || cubData > k_unMaxCloudFileChunkSize) {
return k_uAPICallInvalid;
}
bool success = local_storage->store_data(REMOTE_STORAGE_FOLDER, pchFile, (char* )pvData, cubData) == cubData; bool success = local_storage->store_data(REMOTE_STORAGE_FOLDER, pchFile, (char* )pvData, cubData) == cubData;
RemoteStorageFileWriteAsyncComplete_t data; RemoteStorageFileWriteAsyncComplete_t data;
data.m_eResult = k_EResultOK; data.m_eResult = success ? k_EResultOK : k_EResultFail;
return callback_results->addCallResult(data.k_iCallback, &data, sizeof(data)); return callback_results->addCallResult(data.k_iCallback, &data, sizeof(data));
} }