// Verifies the archive against the signature
DWORD WINAPI SFileVerifyArchive(HANDLE hMpq)
{
MPQ_SIGNATURE_INFO si;
TMPQArchive * ha = (TMPQArchive *)hMpq;
// Verify input parameters
if(!IsValidMpqHandle(ha))
return ERROR_VERIFY_FAILED;
// Get the MPQ signature and signature type
memset(&si, 0, sizeof(MPQ_SIGNATURE_INFO));
if(!QueryMpqSignatureInfo(ha, &si))
return ERROR_VERIFY_FAILED;
// Verify the signature
switch(si.nSignatureType)
{
case SIGNATURE_TYPE_NONE:
return ERROR_NO_SIGNATURE;
case SIGNATURE_TYPE_WEAK:
return VerifyWeakSignature(ha, &si);
case SIGNATURE_TYPE_STRONG:
return VerifyStrongSignature(ha, &si);
}
return ERROR_VERIFY_FAILED;
}
// Verifies the archive against the signature
DWORD WINAPI SFileVerifyArchive(HANDLE hMpq)
{
MPQ_SIGNATURE_INFO si;
TMPQArchive * ha = (TMPQArchive *)hMpq;
// Verify input parameters
if(!IsValidMpqHandle(hMpq))
return ERROR_VERIFY_FAILED;
// If the archive was modified, we need to flush it
if(ha->dwFlags & MPQ_FLAG_CHANGED)
SFileFlushArchive(hMpq);
// Get the MPQ signature and signature type
memset(&si, 0, sizeof(MPQ_SIGNATURE_INFO));
if(!QueryMpqSignatureInfo(ha, &si))
return ERROR_VERIFY_FAILED;
// If there is no signature
if(si.SignatureTypes == 0)
return ERROR_NO_SIGNATURE;
// We haven't seen a MPQ with both signatures
assert(si.SignatureTypes == SIGNATURE_TYPE_WEAK || si.SignatureTypes == SIGNATURE_TYPE_STRONG);
// Verify the strong signature, if present
if(si.SignatureTypes & SIGNATURE_TYPE_STRONG)
return VerifyStrongSignature(ha, &si);
// Verify the weak signature, if present
if(si.SignatureTypes & SIGNATURE_TYPE_WEAK)
return VerifyWeakSignature(ha, &si);
return ERROR_NO_SIGNATURE;
}
int SSignFileFinish(TMPQArchive * ha)
{
MPQ_SIGNATURE_INFO si;
unsigned long signature_len = MPQ_WEAK_SIGNATURE_SIZE;
BYTE WeakSignature[MPQ_SIGNATURE_FILE_SIZE];
BYTE Md5Digest[MD5_DIGEST_SIZE];
rsa_key key;
int hash_idx = find_hash("md5");
// Sanity checks
assert((ha->dwFlags & MPQ_FLAG_CHANGED) == 0);
assert(ha->dwFileFlags3 == MPQ_FILE_EXISTS);
// Query the weak signature info
memset(&si, 0, sizeof(MPQ_SIGNATURE_INFO));
if(!QueryMpqSignatureInfo(ha, &si))
return ERROR_FILE_CORRUPT;
// There must be exactly one signature
if(si.SignatureTypes != SIGNATURE_TYPE_WEAK)
return ERROR_FILE_CORRUPT;
// Calculate MD5 of the entire archive
if(!CalculateMpqHashMd5(ha, &si, Md5Digest))
return ERROR_VERIFY_FAILED;
// Decode the private key
if(!decode_base64_key(szBlizzardWeakPrivateKey, &key))
return ERROR_VERIFY_FAILED;
// Sign the hash
memset(WeakSignature, 0, sizeof(WeakSignature));
rsa_sign_hash_ex(Md5Digest, sizeof(Md5Digest), WeakSignature + 8, &signature_len, LTC_LTC_PKCS_1_V1_5, 0, 0, hash_idx, 0, &key);
memrev(WeakSignature + 8, MPQ_WEAK_SIGNATURE_SIZE);
rsa_free(&key);
// Write the signature to the MPQ. Don't use SFile* functions, but write the hash directly
if(!FileStream_Write(ha->pStream, &si.BeginExclude, WeakSignature, MPQ_SIGNATURE_FILE_SIZE))
return GetLastError();
return ERROR_SUCCESS;
}
bool WINAPI SFileGetFileInfo(
HANDLE hMpqOrFile,
SFileInfoClass InfoClass,
void * pvFileInfo,
DWORD cbFileInfo,
LPDWORD pcbLengthNeeded)
{
MPQ_SIGNATURE_INFO SignatureInfo;
TMPQArchive * ha = NULL;
TFileEntry * pFileEntry = NULL;
ULONGLONG Int64Value = 0;
ULONGLONG ByteOffset = 0;
TMPQHash * pHash;
TMPQFile * hf = NULL;
void * pvSrcFileInfo = NULL;
DWORD cbSrcFileInfo = 0;
DWORD dwInt32Value = 0;
int nInfoType = SFILE_INFO_TYPE_INVALID_HANDLE;
int nError = ERROR_SUCCESS;
switch(InfoClass)
{
case SFileMpqFileName:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = (void *)FileStream_GetFileName(ha->pStream);
cbSrcFileInfo = (DWORD)(_tcslen((TCHAR *)pvSrcFileInfo) + 1) * sizeof(TCHAR);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqStreamBitmap:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
return FileStream_GetBitmap(ha->pStream, pvFileInfo, cbFileInfo, pcbLengthNeeded);
break;
case SFileMpqUserDataOffset:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
if(ha->pUserData != NULL)
{
pvSrcFileInfo = &ha->UserDataPos;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
}
break;
case SFileMpqUserDataHeader:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
if(ha->pUserData != NULL)
{
ByteOffset = ha->UserDataPos;
cbSrcFileInfo = sizeof(TMPQUserData);
nInfoType = SFILE_INFO_TYPE_READ_FROM_FILE;
}
}
break;
case SFileMpqUserData:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
if(ha->pUserData != NULL)
{
ByteOffset = ha->UserDataPos + sizeof(TMPQUserData);
cbSrcFileInfo = ha->pUserData->dwHeaderOffs - sizeof(TMPQUserData);
nInfoType = SFILE_INFO_TYPE_READ_FROM_FILE;
}
}
break;
case SFileMpqHeaderOffset:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->MpqPos;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqHeaderSize:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->dwHeaderSize;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqHeader:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
ByteOffset = ha->MpqPos;
cbSrcFileInfo = ha->pHeader->dwHeaderSize;
nInfoType = SFILE_INFO_TYPE_READ_FROM_FILE;
}
break;
case SFileMpqHetTableOffset:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->HetTablePos64;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqHetTableSize:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->HetTableSize64;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqHetHeader:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
pvSrcFileInfo = LoadExtTable(ha, ha->pHeader->HetTablePos64, (size_t)ha->pHeader->HetTableSize64, HET_TABLE_SIGNATURE, MPQ_KEY_HASH_TABLE);
if(pvSrcFileInfo != NULL)
{
cbSrcFileInfo = sizeof(TMPQHetHeader);
nInfoType = SFILE_INFO_TYPE_ALLOCATED;
}
}
break;
case SFileMpqHetTable:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
pvSrcFileInfo = LoadHetTable(ha);
if(pvSrcFileInfo != NULL)
{
cbSrcFileInfo = sizeof(void *);
nInfoType = SFILE_INFO_TYPE_TABLE_POINTER;
}
}
break;
case SFileMpqBetTableOffset:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->BetTablePos64;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqBetTableSize:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->BetTableSize64;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqBetHeader:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
pvSrcFileInfo = LoadExtTable(ha, ha->pHeader->BetTablePos64, (size_t)ha->pHeader->BetTableSize64, BET_TABLE_SIGNATURE, MPQ_KEY_BLOCK_TABLE);
if(pvSrcFileInfo != NULL)
{
// It is allowed for the caller to only require BET header.
cbSrcFileInfo = sizeof(TMPQBetHeader) + ((TMPQBetHeader *)pvSrcFileInfo)->dwFlagCount * sizeof(DWORD);
if(cbFileInfo == sizeof(TMPQBetHeader))
cbSrcFileInfo = sizeof(TMPQBetHeader);
nInfoType = SFILE_INFO_TYPE_ALLOCATED;
}
}
break;
case SFileMpqBetTable:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
pvSrcFileInfo = LoadBetTable(ha);
if(pvSrcFileInfo != NULL)
{
cbSrcFileInfo = sizeof(void *);
nInfoType = SFILE_INFO_TYPE_TABLE_POINTER;
}
}
break;
case SFileMpqHashTableOffset:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
Int64Value = MAKE_OFFSET64(ha->pHeader->wHashTablePosHi, ha->pHeader->dwHashTablePos);
pvSrcFileInfo = &Int64Value;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqHashTableSize64:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->HashTableSize64;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqHashTableSize:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->dwHashTableSize;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqHashTable:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL && ha->pHashTable != NULL)
{
pvSrcFileInfo = ha->pHashTable;
cbSrcFileInfo = ha->dwHashTableSize * sizeof(TMPQHash);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqBlockTableOffset:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
Int64Value = MAKE_OFFSET64(ha->pHeader->wBlockTablePosHi, ha->pHeader->dwBlockTablePos);
pvSrcFileInfo = &Int64Value;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqBlockTableSize64:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->BlockTableSize64;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqBlockTableSize:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->dwBlockTableSize;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqBlockTable:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
if(MAKE_OFFSET64(ha->pHeader->wBlockTablePosHi, ha->pHeader->dwBlockTablePos) != 0)
{
cbSrcFileInfo = ha->pHeader->dwBlockTableSize * sizeof(TMPQBlock);
if(cbFileInfo >= cbSrcFileInfo)
pvSrcFileInfo = LoadBlockTable(ha, true);
nInfoType = SFILE_INFO_TYPE_ALLOCATED;
}
}
break;
case SFileMpqHiBlockTableOffset:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->HiBlockTablePos64;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqHiBlockTableSize64:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->HiBlockTableSize64;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqHiBlockTable:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
if(ha->pHeader->HiBlockTablePos64 && ha->pHeader->HiBlockTableSize64)
{
assert(false);
}
}
break;
case SFileMpqSignatures:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL && QueryMpqSignatureInfo(ha, &SignatureInfo))
{
pvSrcFileInfo = &SignatureInfo.SignatureTypes;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqStrongSignatureOffset:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
if(QueryMpqSignatureInfo(ha, &SignatureInfo) && (SignatureInfo.SignatureTypes & SIGNATURE_TYPE_STRONG))
{
pvSrcFileInfo = &SignatureInfo.EndMpqData;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
}
break;
case SFileMpqStrongSignatureSize:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
if(QueryMpqSignatureInfo(ha, &SignatureInfo) && (SignatureInfo.SignatureTypes & SIGNATURE_TYPE_STRONG))
{
dwInt32Value = MPQ_STRONG_SIGNATURE_SIZE + 4;
pvSrcFileInfo = &dwInt32Value;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
}
break;
case SFileMpqStrongSignature:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
if(QueryMpqSignatureInfo(ha, &SignatureInfo) && (SignatureInfo.SignatureTypes & SIGNATURE_TYPE_STRONG))
{
pvSrcFileInfo = SignatureInfo.Signature;
cbSrcFileInfo = MPQ_STRONG_SIGNATURE_SIZE + 4;
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
}
break;
case SFileMpqArchiveSize64:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->ArchiveSize64;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqArchiveSize:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->pHeader->dwArchiveSize;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqMaxFileCount:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->dwMaxFileCount;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqFileTableSize:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->dwFileTableSize;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqSectorSize:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &ha->dwSectorSize;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqNumberOfFiles:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
pvSrcFileInfo = &dwInt32Value;
cbSrcFileInfo = sizeof(DWORD);
dwInt32Value = GetMpqFileCount(ha);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqRawChunkSize:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
nInfoType = SFILE_INFO_TYPE_NOT_FOUND;
if(ha->pHeader->dwRawChunkSize != 0)
{
pvSrcFileInfo = &ha->pHeader->dwRawChunkSize;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
}
break;
case SFileMpqStreamFlags:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
FileStream_GetFlags(ha->pStream, &dwInt32Value);
pvSrcFileInfo = &dwInt32Value;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileMpqFlags:
ha = IsValidMpqHandle(hMpqOrFile);
if(ha != NULL)
{
dwInt32Value = ha->dwFlags;
pvSrcFileInfo = &dwInt32Value;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoPatchChain:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL)
return GetFilePatchChain(hf, pvFileInfo, cbFileInfo, pcbLengthNeeded);
break;
case SFileInfoFileEntry:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->pFileEntry != NULL)
{
pvSrcFileInfo = pFileEntry = hf->pFileEntry;
cbSrcFileInfo = sizeof(TFileEntry);
if(pFileEntry->szFileName != NULL)
cbSrcFileInfo += (DWORD)strlen(pFileEntry->szFileName) + 1;
nInfoType = SFILE_INFO_TYPE_FILE_ENTRY;
}
break;
case SFileInfoHashEntry:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->ha != NULL && hf->ha->pHashTable != NULL)
{
pvSrcFileInfo = hf->ha->pHashTable + hf->pFileEntry->dwHashIndex;
cbSrcFileInfo = sizeof(TMPQHash);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoHashIndex:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->pFileEntry != NULL)
{
pvSrcFileInfo = &hf->pFileEntry->dwHashIndex;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoNameHash1:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->ha != NULL && hf->ha->pHashTable != NULL)
{
pHash = hf->ha->pHashTable + hf->pFileEntry->dwHashIndex;
pvSrcFileInfo = &pHash->dwName1;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoNameHash2:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->ha != NULL && hf->ha->pHashTable != NULL)
{
pHash = hf->ha->pHashTable + hf->pFileEntry->dwHashIndex;
pvSrcFileInfo = &pHash->dwName2;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoNameHash3:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->pFileEntry != NULL)
{
pvSrcFileInfo = &hf->pFileEntry->FileNameHash;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoLocale:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->pFileEntry != NULL)
{
dwInt32Value = hf->pFileEntry->lcLocale;
pvSrcFileInfo = &dwInt32Value;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoFileIndex:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->ha != NULL && hf->pFileEntry != NULL)
{
dwInt32Value = (DWORD)(hf->pFileEntry - hf->ha->pFileTable);
pvSrcFileInfo = &dwInt32Value;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoByteOffset:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->pFileEntry != NULL)
{
pvSrcFileInfo = &hf->pFileEntry->ByteOffset;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoFileTime:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->pFileEntry != NULL)
{
pvSrcFileInfo = &hf->pFileEntry->FileTime;
cbSrcFileInfo = sizeof(ULONGLONG);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoFileSize:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->pFileEntry != NULL)
{
pvSrcFileInfo = &hf->pFileEntry->dwFileSize;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoCompressedSize:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->pFileEntry != NULL)
{
pvSrcFileInfo = &hf->pFileEntry->dwCmpSize;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoFlags:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->pFileEntry != NULL)
{
pvSrcFileInfo = &hf->pFileEntry->dwFlags;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoEncryptionKey:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL)
{
pvSrcFileInfo = &hf->dwFileKey;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
case SFileInfoEncryptionKeyRaw:
hf = IsValidFileHandle(hMpqOrFile);
if(hf != NULL && hf->pFileEntry != NULL)
{
dwInt32Value = hf->dwFileKey;
if(hf->pFileEntry->dwFlags & MPQ_FILE_FIX_KEY)
dwInt32Value = (dwInt32Value ^ hf->pFileEntry->dwFileSize) - (DWORD)hf->MpqFilePos;
pvSrcFileInfo = &dwInt32Value;
cbSrcFileInfo = sizeof(DWORD);
nInfoType = SFILE_INFO_TYPE_DIRECT_POINTER;
}
break;
default: // Invalid info class
SetLastError(ERROR_INVALID_PARAMETER);
return false;
}
// If we validated the handle and info class, give as much info as possible
if(nInfoType >= SFILE_INFO_TYPE_DIRECT_POINTER)
{
// Give the length needed, if wanted
if(pcbLengthNeeded != NULL)
pcbLengthNeeded[0] = cbSrcFileInfo;
// If the caller entered an output buffer, the output size must also be entered
if(pvFileInfo != NULL && cbFileInfo != 0)
{
// Check if there is enough space in the output buffer
if(cbSrcFileInfo <= cbFileInfo)
{
switch(nInfoType)
{
case SFILE_INFO_TYPE_DIRECT_POINTER:
case SFILE_INFO_TYPE_ALLOCATED:
assert(pvSrcFileInfo != NULL);
memcpy(pvFileInfo, pvSrcFileInfo, cbSrcFileInfo);
break;
case SFILE_INFO_TYPE_READ_FROM_FILE:
if(!FileStream_Read(ha->pStream, &ByteOffset, pvFileInfo, cbSrcFileInfo))
nError = GetLastError();
break;
case SFILE_INFO_TYPE_TABLE_POINTER:
assert(pvSrcFileInfo != NULL);
*(void **)pvFileInfo = pvSrcFileInfo;
pvSrcFileInfo = NULL;
break;
case SFILE_INFO_TYPE_FILE_ENTRY:
assert(pFileEntry != NULL);
ConvertFileEntryToSelfRelative((TFileEntry *)pvFileInfo, pFileEntry);
break;
}
}
else
{
nError = ERROR_INSUFFICIENT_BUFFER;
}
}
// Free the file info if needed
if(nInfoType == SFILE_INFO_TYPE_ALLOCATED && pvSrcFileInfo != NULL)
STORM_FREE(pvSrcFileInfo);
if(nInfoType == SFILE_INFO_TYPE_TABLE_POINTER && pvSrcFileInfo != NULL)
SFileFreeFileInfo(pvSrcFileInfo, InfoClass);
}
else
{
// Handle error cases
if(nInfoType == SFILE_INFO_TYPE_INVALID_HANDLE)
nError = ERROR_INVALID_HANDLE;
if(nInfoType == SFILE_INFO_TYPE_NOT_FOUND)
nError = ERROR_FILE_NOT_FOUND;
}
// Set the last error value, if needed
if(nError != ERROR_SUCCESS)
SetLastError(nError);
return (nError == ERROR_SUCCESS);
}
