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Dep/CascLib: Update to ladislav-zezula/CascLib@0a05c59eb8

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Shauren
2020-05-07 14:39:40 +02:00
parent dfdabdb97b
commit ea812fec11
27 changed files with 805 additions and 350 deletions
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84
dep/CascLib/src/CascIndexFiles.cpp
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@@ -28,7 +28,7 @@ typedef bool (*EKEY_ENTRY_CALLBACK)(TCascStorage * hs, CASC_INDEX_HEADER & InHea
// Local functions
// "data.iXY"
static bool IsIndexFileName_V1(const TCHAR * szFileName)
static bool IsIndexFileName_V1(LPCTSTR szFileName)
{
// Check if the name looks like a valid index file
return (_tcslen(szFileName) == 8 &&
@@ -36,7 +36,7 @@ static bool IsIndexFileName_V1(const TCHAR * szFileName)
_tcsspn(szFileName + 6, szAllowedHexChars) == 2);
}
static bool IsIndexFileName_V2(const TCHAR * szFileName)
static bool IsIndexFileName_V2(LPCTSTR szFileName)
{
// Check if the name looks like a valid index file
return (_tcslen(szFileName) == 14 &&
@@ -116,7 +116,7 @@ static bool IndexDirectory_OnFileFound(
return true;
}
static TCHAR * CreateIndexFileName(TCascStorage * hs, DWORD IndexValue, DWORD IndexVersion)
static LPTSTR CreateIndexFileName(TCascStorage * hs, DWORD IndexValue, DWORD IndexVersion)
{
TCHAR szPlainName[0x40];
@@ -167,6 +167,7 @@ static LPBYTE CaptureGuardedBlock2(LPBYTE pbFileData, LPBYTE pbFileEnd, size_t E
PFILE_INDEX_GUARDED_BLOCK pBlock = (PFILE_INDEX_GUARDED_BLOCK)pbFileData;
LPBYTE pbEntryPtr;
size_t EntryCount;
unsigned int HashBlizzGet = 0;
unsigned int HashHigh = 0;
unsigned int HashLow = 0;
@@ -177,7 +178,10 @@ static LPBYTE CaptureGuardedBlock2(LPBYTE pbFileData, LPBYTE pbFileEnd, size_t E
if (pBlock->BlockSize == 0 || (pbFileData + sizeof(FILE_INDEX_GUARDED_BLOCK) + pBlock->BlockSize) > pbFileEnd)
return NULL;
// Compute the hash entry-by-entry
//
// Verify the hash from the Blizzard Downloader
//
pbEntryPtr = pbFileData + sizeof(FILE_INDEX_GUARDED_BLOCK);
EntryCount = pBlock->BlockSize / EntryLength;
for (size_t i = 0; i < EntryCount; i++)
@@ -187,13 +191,39 @@ static LPBYTE CaptureGuardedBlock2(LPBYTE pbFileData, LPBYTE pbFileEnd, size_t E
}
// Verify hash
if (HashHigh != pBlock->BlockHash)
return NULL;
if (HashHigh == pBlock->BlockHash)
{
// Give the output
if (PtrBlockSize != NULL)
PtrBlockSize[0] = pBlock->BlockSize;
return (LPBYTE)(pBlock + 1);
}
// Give the output
if (PtrBlockSize != NULL)
PtrBlockSize[0] = pBlock->BlockSize;
return (LPBYTE)(pBlock + 1);
//
// Verify the hash from the Blizzget tool, which calculates the hash differently
// https://github.com/d07RiV/blizzget/blob/master/src/ngdp.cpp
// Function void DataStorage::writeIndex()
//
pbEntryPtr = pbFileData + sizeof(FILE_INDEX_GUARDED_BLOCK);
EntryCount = pBlock->BlockSize / EntryLength;
for (size_t i = 0; i < EntryCount; i++)
{
HashBlizzGet = hashlittle(pbEntryPtr, EntryLength, HashBlizzGet);
pbEntryPtr += EntryLength;
}
// Verify hash
if (HashBlizzGet == pBlock->BlockHash)
{
// Give the output
if (PtrBlockSize != NULL)
PtrBlockSize[0] = pBlock->BlockSize;
return (LPBYTE)(pBlock + 1);
}
// Hash mismatch
return NULL;
}
// Third method of checking a guarded block; There is 32-bit hash, followed by EKey entry
@@ -286,8 +316,11 @@ static DWORD LoadIndexItems(TCascStorage * hs, CASC_INDEX_HEADER & InHeader, EKE
while((pbEKeyEntry + EntryLength) <= pbEKeyEnd)
{
// DOWNLOAD in HOTS
//BREAK_ON_XKEY3(EKeyEntry.EKey, 0x09, 0xF3, 0xCD);
// ENCODING, DOWNLOAD, ROOT in Warcraft III Reforged build 14481
BREAK_ON_XKEY3(pbEKeyEntry, 0xcd, 0x3b, 0xd8);
BREAK_ON_XKEY3(pbEKeyEntry, 0xdb, 0xfa, 0x35);
BREAK_ON_XKEY3(pbEKeyEntry, 0x5c, 0xe8, 0x48);
if(!PfnEKeyEntry(hs, InHeader, pbEKeyEntry))
return ERROR_INDEX_PARSING_DONE;
@@ -487,17 +520,17 @@ static bool InsertEncodingEKeyToMap(TCascStorage * hs, CASC_INDEX_HEADER &, LPBY
return true;
}
static DWORD ProcessLocalIndexFiles(TCascStorage * hs, EKEY_ENTRY_CALLBACK PfnEKeyEntry)
static DWORD ProcessLocalIndexFiles(TCascStorage * hs, EKEY_ENTRY_CALLBACK PfnEKeyEntry, DWORD dwIndexCount)
{
DWORD dwErrCode = ERROR_SUCCESS;
// Load each index file
for(DWORD i = 0; i < CASC_INDEX_COUNT; i++)
for(DWORD i = 0; i < dwIndexCount; i++)
{
CASC_INDEX & IndexFile = hs->IndexFiles[i];
// Inform the user about what we are doing
if(InvokeProgressCallback(hs, "Loading index files", NULL, i, CASC_INDEX_COUNT))
if(InvokeProgressCallback(hs, "Loading index files", NULL, i, dwIndexCount))
{
dwErrCode = ERROR_CANCELLED;
break;
@@ -520,6 +553,7 @@ static DWORD ProcessLocalIndexFiles(TCascStorage * hs, EKEY_ENTRY_CALLBACK PfnEK
static DWORD LoadLocalIndexFiles(TCascStorage * hs)
{
ULONGLONG TotalSize = 0;
DWORD dwIndexCount = 0;
DWORD dwErrCode;
// Inform the user about what we are doing
@@ -529,6 +563,10 @@ static DWORD LoadLocalIndexFiles(TCascStorage * hs)
// Perform the directory scan
if((dwErrCode = ScanIndexDirectory(hs->szIndexPath, IndexDirectory_OnFileFound, hs)) == ERROR_SUCCESS)
{
// If no index file was found, we cannot load anything
if(hs->szIndexFormat == NULL)
return ERROR_FILE_NOT_FOUND;
// Load each index file
for(DWORD i = 0; i < CASC_INDEX_COUNT; i++)
{
@@ -541,16 +579,28 @@ static DWORD LoadLocalIndexFiles(TCascStorage * hs)
// WoW6 actually reads THE ENTIRE file to memory. Verified on Mac build (x64).
if((IndexFile.pbFileData = LoadFileToMemory(IndexFile.szFileName, &cbFileData)) == NULL)
return ERROR_NOT_ENOUGH_MEMORY;
{
// Storages downloaded by Blizzget tool don't have all index files present
if((dwErrCode = GetLastError()) == ERROR_FILE_NOT_FOUND)
{
dwErrCode = ERROR_SUCCESS;
break;
}
return dwErrCode;
}
// Add to the total size of the index files
IndexFile.cbFileData = cbFileData;
TotalSize += cbFileData;
dwIndexCount++;
}
// Build the map of EKey -> IndexEKeyEntry
dwErrCode = hs->IndexEKeyMap.Create((size_t)(TotalSize / sizeof(FILE_EKEY_ENTRY)), CASC_EKEY_SIZE, 0);
if(dwErrCode == ERROR_SUCCESS)
{
dwErrCode = ProcessLocalIndexFiles(hs, InsertEncodingEKeyToMap);
dwErrCode = ProcessLocalIndexFiles(hs, InsertEncodingEKeyToMap, dwIndexCount);
}
}