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Added check for loading CRC table

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Ladislav Zezula
2025-04-20 21:16:05 +02:00
parent da046e71d9
commit 4f4e2154cd
5 changed files with 14 additions and 9 deletions
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9
src/SBaseCommon.cpp
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@@ -1026,12 +1026,19 @@ void * LoadMpqTable(
// and the table is loaded from the current file offset
if(ByteOffset == SFILE_INVALID_POS)
FileStream_GetPos(ha->pStream, &ByteOffset);
FileStream_GetSize(ha->pStream, &FileSize);
// Is the sector table within the file?
if(ByteOffset >= FileSize)
{
STORM_FREE(pbMpqTable);
return NULL;
}
// The hash table and block table can go beyond EOF.
// Storm.dll reads as much as possible, then fills the missing part with zeros.
// Abused by Spazzler map protector which sets hash table size to 0x00100000
// Abused by NP_Protect in MPQs v4 as well
FileStream_GetSize(ha->pStream, &FileSize);
if((ByteOffset + dwBytesToRead) > FileSize)
{
// Fill the extra data with zeros