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SFmpqapi.cpp
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/* License information for this code is in license.txt */
#define WIN32_LEAN_AND_MEAN
// Includes
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#ifdef _USRDLL
#include <shellapi.h>
#endif
#include "../SComp/SComp.h"
#include "MpqCrypt.h"
#include "MpqHashTable.h"
#include "MpqBlockTable.h"
#include "SFmpqapi.h"
#include "SFUtil.h"
#include "SFTypes.h"
struct SFMPQAPIMODULE {
SFMPQAPIMODULE();
~SFMPQAPIMODULE();
} SFMpqApi;
#ifndef _WIN32
#define SFMPQ_STATIC
#endif
#if defined(SFMPQ_STATIC) || !defined(SFMPQAPI_EXPORTS)
#define DllMain SFMpqMain
struct SFMPQLIBMODULE {
SFMPQLIBMODULE();
~SFMPQLIBMODULE();
} SFMpqLib;
BOOL APIENTRY DllMain(HINSTANCE hInstDLL, DWORD ul_reason_for_call, LPVOID lpReserved);
SFMPQLIBMODULE::SFMPQLIBMODULE()
{
SFMpqMain(0,DLL_PROCESS_ATTACH,0);
}
SFMPQLIBMODULE::~SFMPQLIBMODULE()
{
SFMpqDestroy();
SFMpqMain(0,DLL_PROCESS_DETACH,0);
}
#endif
LCID LocaleID = 0;
BOOL SFMpqInit = FALSE;
HINSTANCE hStorm = 0;
#ifdef _USRDLL
HINSTANCE hSFMpqInstance = 0;
#endif
#define SFMPQ_CURRENT_VERSION {1,0,8,1}
SFMPQVERSION SFMpqVersion = SFMPQ_CURRENT_VERSION;
LPCSTR SFMpqVersionString = "ShadowFlare MPQ API Library v1.08";
float MpqVersion = 2.00;
// Class to simulate _alloca for cross-compiler compatibility
class TempAlloc {
public:
TempAlloc();
~TempAlloc();
TempAlloc(unsigned long int AllocSize);
void * Alloc(unsigned long int AllocSize);
void *lpAllocAddress;
};
LPCSTR ID_MPQ = "MPQ\x1A";
LPCSTR ID_BN3 = "BN3\x1A";
LPCSTR ID_RIFF = "RIFF";
LPCSTR ID_WAVE = "WAVEfmt ";
LPCSTR INTERNAL_LISTFILE = "(listfile)";
LPCSTR INTERNAL_FILES = "(attributes)\n(listfile)\n(signature)";
LPCSTR Storm_dll = "Storm.dll";
LPCSTR UNKNOWN_OUT = "~unknowns\\unknown_%08x";
LPCSTR UNKNOWN_IN = "~unknowns\\unknown_%x";
LPCSTR UNKNOWN_CMP = "~unknowns\\unknown_";
#define UNKNOWN_LEN 18
LCID availLocales[7] = {0x0000,0x0407,0x0409,0x040A,0x040C,0x0410,0x0416};
#define nLocales 7
#define MAX_MPQ_PATH 260;
MPQARCHIVE **lpOpenMpq = 0;
DWORD dwOpenMpqCount = 0;
MPQARCHIVE * FirstLastMpq[2] = {0,0};
MPQFILE **lpOpenFile = 0;
DWORD dwOpenFileCount = 0;
MPQFILE * FirstLastFile[2] = {0,0};
char StormBasePath[MAX_PATH+1];
typedef BOOL (WINAPI* funcSCompCompress)(LPVOID lpvDestinationMem, LPDWORD lpdwCompressedSize, LPVOID lpvSourceMem, DWORD dwDecompressedSize, DWORD dwCompressionType, DWORD dwCompressionSubType, DWORD dwWAVQuality);
typedef BOOL (WINAPI* funcSCompDecompress)(LPVOID lpvDestinationMem, LPDWORD lpdwDecompressedSize, LPVOID lpvSourceMem, DWORD dwCompressedSize);
funcSCompCompress stormSCompCompress = 0;
funcSCompDecompress stormSCompDecompress = 0;
void LoadStorm();
void FreeStorm();
BOOL WINAPI MpqOpenArchiveEx(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags, MPQHANDLE *hMPQ, DWORD dwFlags2, DWORD dwMaximumFilesInArchive, DWORD dwBlockSize);
DWORD WINAPI FindMpqHeaderAtLocation(HANDLE hFile, DWORD dwStart, DWORD dwLength);
DWORD GetFullPath(LPCSTR lpFileName, char *lpBuffer, DWORD dwBufferLength);
MPQHANDLE GetHashTableEntry(MPQHANDLE hMPQ, LPCSTR lpFileName, LCID FileLocale);
MPQHANDLE GetHashTableEntryOfHash(MPQHANDLE hMPQ, DWORD dwTablePos, DWORD dwNameHashA, DWORD dwNameHashB, LCID FileLocale);
MPQHANDLE GetFreeHashTableEntry(MPQHANDLE hMPQ, LPCSTR lpFileName, LCID FileLocale, BOOL ReturnExisting);
BOOL SearchOpenArchives(LPCSTR lpFileName, MPQHANDLE *hMPQ, MPQHANDLE *hFile);
void SortOpenArchivesByPriority();
DWORD GetHandleType(MPQHANDLE hFile);
BOOL AddToInternalListing(MPQHANDLE hMPQ, LPCSTR lpFileName);
BOOL RemoveFromInternalListing(MPQHANDLE hMPQ, LPCSTR lpFileName);
DWORD DetectFileSeedEx(MPQARCHIVE * mpqOpenArc, HASHTABLEENTRY * lpHashEntry, LPCSTR * lplpFileName);
BOOL APIENTRY DllMain( HINSTANCE hInstDLL,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
#ifdef _WIN32
char *lpExeName,*buffer;DWORD slen;
#endif
DWORD dwLastCount;
#ifdef _USRDLL
hSFMpqInstance = hInstDLL;
#endif
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
InitCryptTable();
dwHashTableKey = HashString("(hash table)",HASH_KEY);
dwBlockTableKey = HashString("(block table)",HASH_KEY);
#ifdef _WIN32
lpExeName = (char *)SFAlloc(MAX_PATH+1);
if (lpExeName) {
slen = GetModuleFileName(0,lpExeName,MAX_PATH);
lpExeName[slen] = 0;
buffer = lpExeName+strlen(lpExeName);
while (*buffer!='\\') {*buffer = 0;buffer--;}
SFileSetBasePath(lpExeName);
SFFree(lpExeName);
}
#else
SFileSetBasePath("./");
#endif
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
case DLL_PROCESS_DETACH:
if (lpOpenFile) {
while (dwOpenFileCount>0) {
dwLastCount = dwOpenFileCount;
SFileCloseFile((MPQHANDLE)lpOpenFile[dwOpenFileCount-1]);
if (dwLastCount==dwOpenFileCount) dwOpenFileCount--;
}
SFFree(lpOpenFile);
}
if (lpOpenMpq) {
while (dwOpenMpqCount>0) {
dwLastCount = dwOpenMpqCount;
SFileCloseArchive((MPQHANDLE)lpOpenMpq[dwOpenMpqCount-1]);
if (dwLastCount==dwOpenMpqCount) dwOpenMpqCount--;
}
SFFree(lpOpenMpq);
}
break;
}
return TRUE;
}
TempAlloc::TempAlloc()
{
lpAllocAddress = 0;
}
TempAlloc::TempAlloc(unsigned long int AllocSize)
{
lpAllocAddress = SFAlloc(AllocSize);
}
TempAlloc::~TempAlloc()
{
if (lpAllocAddress) {
SFFree(lpAllocAddress);
lpAllocAddress = 0;
}
}
void * TempAlloc::Alloc(unsigned long int AllocSize)
{
lpAllocAddress = SFAlloc(AllocSize);
return lpAllocAddress;
}
SFMPQAPIMODULE::SFMPQAPIMODULE()
{
//LoadStorm();
}
SFMPQAPIMODULE::~SFMPQAPIMODULE()
{
FreeStorm();
}
BOOL SFMPQAPI WINAPI SFileDestroy() {
return TRUE;
}
void SFMPQAPI WINAPI StormDestroy() {
}
void SFMPQAPI WINAPI SFMpqDestroy() {
//FreeStorm();
}
BOOL SFMPQAPI WINAPI MpqInitialize()
{
return (SFMpqInit=TRUE);
}
LPCSTR SFMPQAPI WINAPI MpqGetVersionString()
{
return SFMpqVersionString;
}
float SFMPQAPI WINAPI MpqGetVersion()
{
return MpqVersion;
}
LPCSTR SFMPQAPI WINAPI SFMpqGetVersionString()
{
return SFMpqVersionString;
}
DWORD SFMPQAPI WINAPI SFMpqGetVersionString2(LPCSTR lpBuffer, DWORD dwBufferLength)
{
if (!lpBuffer) {
SetLastError(ERROR_INVALID_PARAMETER);
return strlen(SFMpqVersionString)+1;
}
DWORD slen = strlen(SFMpqVersionString)+1;
if (dwBufferLength>=slen) memcpy((void *)lpBuffer,SFMpqVersionString,slen);
else memcpy((void *)lpBuffer,SFMpqVersionString,dwBufferLength);
return slen;
}
SFMPQVERSION SFMPQAPI WINAPI SFMpqGetVersion()
{
return SFMpqVersion;
}
void SFMPQAPI WINAPI AboutSFMpq()
{
#ifdef _USRDLL
if (hSFMpqInstance) {
char szAboutPage[MAX_PATH+13];
strcpy(szAboutPage,"res://");
GetModuleFileName(hSFMpqInstance,szAboutPage+6,MAX_PATH);
strcat(szAboutPage,"/about");
ShellExecute(0,0,szAboutPage,0,0,SW_SHOWNORMAL);
}
#endif
}
BOOL WINAPI MpqOpenArchiveEx(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags, MPQHANDLE *hMPQ, DWORD dwFlags2, DWORD dwMaximumFilesInArchive, DWORD dwBlockSize)
{
DWORD flen,tsz;
if (!lpFileName || !hMPQ) {
SetLastError(ERROR_INVALID_PARAMETER);
if (hMPQ) *hMPQ = 0;
return FALSE;
}
if (!*lpFileName) {
SetLastError(ERROR_INVALID_PARAMETER);
*hMPQ = 0;
return FALSE;
}
DWORD dwFlags1 = 0;
#ifdef _WIN32
char RootPath[4];
memset(RootPath,0,4);
if (memcmp(lpFileName+1,":\\",2)==0) memcpy(RootPath,lpFileName,3);
else {
char CurDir[MAX_PATH];
GetCurrentDirectory(MAX_PATH,CurDir);
memcpy(RootPath,CurDir,3);
}
if (GetDriveType(RootPath)==DRIVE_CDROM)
dwFlags1 |= 2;
else if (dwFlags&2)
dwFlags1 |= 1;
if (dwFlags & SFILE_OPEN_CD_ROM_FILE)
if (!(dwFlags1&2)) {*hMPQ = 0;return FALSE;}
#endif
DWORD dwCreateFlags,dwAccessFlags,dwShareFlags;
if (dwFlags2 & MOAU_OPEN_ALWAYS) dwCreateFlags = OPEN_ALWAYS;
else if (dwFlags2 & MOAU_CREATE_ALWAYS) dwCreateFlags = CREATE_ALWAYS;
else if (dwFlags2 & MOAU_OPEN_EXISTING) dwCreateFlags = OPEN_EXISTING;
else dwCreateFlags = CREATE_NEW;
if (dwFlags2 & MOAU_READ_ONLY) {
if (!(dwFlags2 & MOAU_OPEN_EXISTING)) {
SetLastError(MPQ_ERROR_BAD_OPEN_MODE);
*hMPQ = 0;
return FALSE;
}
dwAccessFlags = GENERIC_READ;
if (dwFlags2 & SFILE_OPEN_ALLOW_WRITE) dwFlags2 = dwFlags2^SFILE_OPEN_ALLOW_WRITE;
}
else {
dwAccessFlags = GENERIC_READ|GENERIC_WRITE;
dwFlags2 = dwFlags2|SFILE_OPEN_ALLOW_WRITE;
}
if (dwAccessFlags & GENERIC_WRITE)
dwShareFlags = 0;
else
dwShareFlags = FILE_SHARE_READ;
HANDLE hFile;
hFile = CreateFile(lpFileName,dwAccessFlags,dwShareFlags,0,dwCreateFlags,0,0);
TempAlloc NewAlloc;
if (hFile==INVALID_HANDLE_VALUE) {
DWORD namelen = GetFullPath(lpFileName,0,0);
char *namebuffer = (char *)NewAlloc.Alloc(namelen);
GetFullPath(lpFileName,namebuffer,namelen);
lpFileName = namebuffer;
hFile = CreateFile(lpFileName,dwAccessFlags,dwShareFlags,0,dwCreateFlags,0,0);
}
if (hFile!=INVALID_HANDLE_VALUE)
{
MPQARCHIVE **lpnOpenMpq = (MPQARCHIVE **)SFAlloc(sizeof(MPQARCHIVE *) * (dwOpenMpqCount+1));
if (lpnOpenMpq==0) {
CloseHandle(hFile);
*hMPQ = 0;
return FALSE;
}
DWORD dwMpqStart;
MPQARCHIVE *mpqOpenArc;
if (SFGetFileSize(hFile)==0 && !(dwFlags2 & MOAU_READ_ONLY))
{
dwMpqStart = 0;
mpqOpenArc = (MPQARCHIVE *)SFAlloc(sizeof(MPQARCHIVE));
if (!mpqOpenArc) {
SFFree(lpnOpenMpq);
CloseHandle(hFile);
*hMPQ = 0;
return FALSE;
}
memcpy(&mpqOpenArc->MpqHeader.dwMPQID,ID_MPQ,4);
mpqOpenArc->MpqHeader.dwHeaderSize = sizeof(MPQHEADER);
mpqOpenArc->MpqHeader.wUnused0C = 0;
if (dwBlockSize & 0xFFFF0000)
mpqOpenArc->MpqHeader.wBlockSize = DEFAULT_BLOCK_SIZE;
else
mpqOpenArc->MpqHeader.wBlockSize = (WORD)dwBlockSize;
DWORD i;
for (i=1;i<dwMaximumFilesInArchive;i*=2) {}
dwMaximumFilesInArchive = i;
mpqOpenArc->MpqHeader.dwHashTableSize = dwMaximumFilesInArchive;
mpqOpenArc->MpqHeader.dwBlockTableSize = 0;
mpqOpenArc->MpqHeader.dwHashTableOffset = mpqOpenArc->MpqHeader.dwHeaderSize;
mpqOpenArc->MpqHeader.dwBlockTableOffset = mpqOpenArc->MpqHeader.dwHeaderSize + mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY);
mpqOpenArc->MpqHeader.dwMPQSize = mpqOpenArc->MpqHeader.dwHeaderSize + mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY);
if(WriteFile(hFile,&mpqOpenArc->MpqHeader,mpqOpenArc->MpqHeader.dwHeaderSize,&tsz,0)==0) {
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
CloseHandle(hFile);
*hMPQ = 0;
return FALSE;
}
flen = mpqOpenArc->MpqHeader.dwMPQSize;
mpqOpenArc->lpHashTable = (HASHTABLEENTRY *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
if(!mpqOpenArc->lpHashTable) {
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
CloseHandle(hFile);
*hMPQ = 0;
return FALSE;
}
memset(mpqOpenArc->lpHashTable,0xFF,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
if(WriteFile(hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0)==0) {
SFFree(mpqOpenArc->lpHashTable);
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
CloseHandle(hFile);
*hMPQ = 0;
return FALSE;
}
}
else
{
dwMpqStart = SFileFindMpqHeader(hFile);
if (dwMpqStart==0xFFFFFFFF) {
SFFree(lpnOpenMpq);
CloseHandle(hFile);
SetLastError(MPQ_ERROR_MPQ_INVALID);
*hMPQ = 0;
return FALSE;
}
flen = SFGetFileSize(hFile);
mpqOpenArc = (MPQARCHIVE *)SFAlloc(sizeof(MPQARCHIVE));
if (!mpqOpenArc) {
SFFree(lpnOpenMpq);
CloseHandle(hFile);
*hMPQ = 0;
return FALSE;
}
SFSetFilePointer(hFile,dwMpqStart,FILE_BEGIN);
if(ReadFile(hFile,&mpqOpenArc->MpqHeader,sizeof(MPQHEADER),&tsz,0)==0) {
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
CloseHandle(hFile);
*hMPQ = 0;
return FALSE;
}
mpqOpenArc->lpHashTable = (HASHTABLEENTRY *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
if(!mpqOpenArc->lpHashTable) {
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
CloseHandle(hFile);
*hMPQ = 0;
return FALSE;
}
if (mpqOpenArc->MpqHeader.dwBlockTableSize!=0) {
mpqOpenArc->lpBlockTable = (BLOCKTABLEENTRY *)SFAlloc(sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
if(!mpqOpenArc->lpBlockTable) {
SFFree(mpqOpenArc->lpHashTable);
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
CloseHandle(hFile);
*hMPQ = 0;
return FALSE;
}
}
SFSetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwHashTableOffset,FILE_BEGIN);
if(ReadFile(hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0)==0) {
if(mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
SFFree(mpqOpenArc->lpHashTable);
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
CloseHandle(hFile);
*hMPQ = 0;
return FALSE;
}
if (mpqOpenArc->MpqHeader.dwBlockTableSize!=0) {
SFSetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,FILE_BEGIN);
if(ReadFile(hFile,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0)==0) {
SFFree(mpqOpenArc->lpBlockTable);
SFFree(mpqOpenArc->lpHashTable);
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
CloseHandle(hFile);
*hMPQ = 0;
return FALSE;
}
}
}
/*mpqOpenArc->lpFileName = (char *)SFAlloc(strlen(lpFileName)+1);
if(!mpqOpenArc->lpFileName) {
if(mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
SFFree(mpqOpenArc->lpHashTable);
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
CloseHandle(hFile);
*hMPQ = 0;
return FALSE;
}*/
DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
if (mpqOpenArc->lpBlockTable) DecryptData((LPBYTE)mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
mpqOpenArc->lpFileName = mpqOpenArc->szFileName;
strncpy(mpqOpenArc->lpFileName,lpFileName,259);
if (FirstLastMpq[1]) FirstLastMpq[1]->lpNextArc = mpqOpenArc;
mpqOpenArc->lpNextArc = (MPQARCHIVE *)FirstLastMpq;
mpqOpenArc->lpPrevArc = (MPQARCHIVE *)FirstLastMpq[1];
if (!FirstLastMpq[0]) {
mpqOpenArc->lpPrevArc = (MPQARCHIVE *)0xEAFC5E23;
FirstLastMpq[0] = mpqOpenArc;
}
FirstLastMpq[1] = mpqOpenArc;
mpqOpenArc->hFile = hFile;
mpqOpenArc->dwFlags1 = dwFlags1;
mpqOpenArc->dwPriority = dwPriority;
mpqOpenArc->lpLastReadFile = 0;
mpqOpenArc->dwUnk = 0;
mpqOpenArc->dwBlockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
mpqOpenArc->lpLastReadBlock = 0;
mpqOpenArc->dwBufferSize = 0;
mpqOpenArc->dwMPQStart = dwMpqStart;
mpqOpenArc->lpMPQHeader = &mpqOpenArc->MpqHeader;
mpqOpenArc->dwReadOffset = flen;
mpqOpenArc->dwRefCount = 1;
mpqOpenArc->dwFlags = dwFlags2;
mpqOpenArc->dwExtraFlags = 0;
memcpy(lpnOpenMpq,lpOpenMpq,sizeof(MPQARCHIVE *) * dwOpenMpqCount);
lpnOpenMpq[dwOpenMpqCount] = mpqOpenArc;
if (lpOpenMpq) SFFree(lpOpenMpq);
lpOpenMpq = lpnOpenMpq;
dwOpenMpqCount++;
if (dwOpenMpqCount>1) SortOpenArchivesByPriority();
*hMPQ = (MPQHANDLE)mpqOpenArc;
return TRUE;
}
else {
if (dwFlags2&MOAU_OPEN_EXISTING) SetLastError(ERROR_FILE_NOT_FOUND);
else if (dwFlags2&MOAU_CREATE_NEW) SetLastError(ERROR_ALREADY_EXISTS);
*hMPQ = (MPQHANDLE)INVALID_HANDLE_VALUE;
return FALSE;
}
}
BOOL SFMPQAPI WINAPI SFileOpenFileAsArchive(MPQHANDLE hSourceMPQ, LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags, MPQHANDLE *hMPQ)
{
DWORD flen,tsz;
if (!lpFileName || !hMPQ) {
SetLastError(ERROR_INVALID_PARAMETER);
if (hMPQ) *hMPQ = 0;
return FALSE;
}
if (!*lpFileName) {
SetLastError(ERROR_INVALID_PARAMETER);
*hMPQ = 0;
return FALSE;
}
HANDLE hFile;
if (SFileOpenFileEx(hSourceMPQ,lpFileName,1,&hFile))
{
MPQFILE mpqArcFile;
mpqArcFile = *(MPQFILE *)hFile;
SFileCloseFile(hFile);
if (mpqArcFile.hFile != INVALID_HANDLE_VALUE)
return SFileOpenArchive(lpFileName,dwPriority,dwFlags,hMPQ);
hFile = mpqArcFile.lpParentArc->hFile;
MPQARCHIVE **lpnOpenMpq = (MPQARCHIVE **)SFAlloc(sizeof(MPQARCHIVE *) * (dwOpenMpqCount+1));
if (!lpnOpenMpq) {
*hMPQ = 0;
return FALSE;
}
DWORD dwMpqStart;
MPQARCHIVE *mpqOpenArc;
dwMpqStart = mpqArcFile.lpParentArc->dwMPQStart + mpqArcFile.lpBlockEntry->dwFileOffset;
flen = mpqArcFile.lpBlockEntry->dwFullSize;
dwMpqStart = FindMpqHeaderAtLocation(hFile,dwMpqStart,flen);
if (dwMpqStart==0xFFFFFFFF) {
SFFree(lpnOpenMpq);
SetLastError(MPQ_ERROR_MPQ_INVALID);
*hMPQ = 0;
return FALSE;
}
mpqOpenArc = (MPQARCHIVE *)SFAlloc(sizeof(MPQARCHIVE));
if (!mpqOpenArc) {
SFFree(lpnOpenMpq);
*hMPQ = 0;
return FALSE;
}
SFSetFilePointer(hFile,dwMpqStart,FILE_BEGIN);
if(ReadFile(hFile,&mpqOpenArc->MpqHeader,sizeof(MPQHEADER),&tsz,0)==0) {
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
*hMPQ = 0;
return FALSE;
}
mpqOpenArc->lpHashTable = (HASHTABLEENTRY *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
if(!mpqOpenArc->lpHashTable) {
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
*hMPQ = 0;
return FALSE;
}
if (mpqOpenArc->MpqHeader.dwBlockTableSize!=0) {
mpqOpenArc->lpBlockTable = (BLOCKTABLEENTRY *)SFAlloc(sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
if(!mpqOpenArc->lpBlockTable) {
SFFree(mpqOpenArc->lpHashTable);
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
*hMPQ = 0;
return FALSE;
}
}
SFSetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwHashTableOffset,FILE_BEGIN);
if(ReadFile(hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0)==0) {
if(mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
SFFree(mpqOpenArc->lpHashTable);
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
*hMPQ = 0;
return FALSE;
}
if (mpqOpenArc->MpqHeader.dwBlockTableSize!=0) {
SFSetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,FILE_BEGIN);
if(ReadFile(hFile,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0)==0) {
SFFree(mpqOpenArc->lpBlockTable);
SFFree(mpqOpenArc->lpHashTable);
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
*hMPQ = 0;
return FALSE;
}
}
/*mpqOpenArc->lpFileName = (char *)SFAlloc(strlen(lpFileName)+1);
if(!mpqOpenArc->lpFileName) {
if(mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
SFFree(mpqOpenArc->lpHashTable);
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
*hMPQ = 0;
return FALSE;
}*/
DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
if (mpqOpenArc->lpBlockTable) DecryptData((LPBYTE)mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
mpqOpenArc->lpFileName = mpqOpenArc->szFileName;
strncpy(mpqOpenArc->lpFileName,lpFileName,259);
if (FirstLastMpq[1]) FirstLastMpq[1]->lpNextArc = mpqOpenArc;
mpqOpenArc->lpNextArc = (MPQARCHIVE *)FirstLastMpq;
mpqOpenArc->lpPrevArc = (MPQARCHIVE *)FirstLastMpq[1];
if (!FirstLastMpq[0]) {
mpqOpenArc->lpPrevArc = (MPQARCHIVE *)0xEAFC5E23;
FirstLastMpq[0] = mpqOpenArc;
}
FirstLastMpq[1] = mpqOpenArc;
mpqOpenArc->hFile = hFile;
mpqOpenArc->dwFlags1 = 0;
mpqOpenArc->dwPriority = dwPriority;
mpqOpenArc->lpLastReadFile = 0;
mpqOpenArc->dwUnk = 0;
mpqOpenArc->dwBlockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
mpqOpenArc->lpLastReadBlock = 0;
mpqOpenArc->dwBufferSize = 0;
mpqOpenArc->dwMPQStart = dwMpqStart;
mpqOpenArc->lpMPQHeader = &mpqOpenArc->MpqHeader;
mpqOpenArc->dwReadOffset = flen;
mpqOpenArc->dwRefCount = 1;
mpqOpenArc->dwFlags = dwFlags;
mpqOpenArc->dwExtraFlags = 1;
memcpy(lpnOpenMpq,lpOpenMpq,sizeof(MPQARCHIVE *) * dwOpenMpqCount);
lpnOpenMpq[dwOpenMpqCount] = mpqOpenArc;
if (lpOpenMpq) SFFree(lpOpenMpq);
lpOpenMpq = lpnOpenMpq;
dwOpenMpqCount++;
if (dwOpenMpqCount>1) SortOpenArchivesByPriority();
*hMPQ = (MPQHANDLE)mpqOpenArc;
return TRUE;
}
else {
*hMPQ = (MPQHANDLE)INVALID_HANDLE_VALUE;
return FALSE;
}
}
BOOL SFMPQAPI WINAPI SFileOpenArchive(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags, MPQHANDLE *hMPQ)
{
if (dwFlags & SFILE_OPEN_ALLOW_WRITE) {
return MpqOpenArchiveEx(lpFileName,dwPriority,dwFlags ^ SFILE_OPEN_ALLOW_WRITE,hMPQ,MOAU_OPEN_EXISTING,0,USE_DEFAULT_BLOCK_SIZE);
}
else {
return MpqOpenArchiveEx(lpFileName,dwPriority,dwFlags,hMPQ,MOAU_OPEN_EXISTING|MOAU_READ_ONLY,0,USE_DEFAULT_BLOCK_SIZE);
}
}
BOOL SFMPQAPI WINAPI SFileCloseArchive(MPQHANDLE hMPQ)
{
if (hMPQ==0) {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
if (dwOpenMpqCount==0) return FALSE;
if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_MPQ,4)!=0 && memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)!=0) return FALSE;
if (!(mpqOpenArc->dwExtraFlags & 1)) CloseHandle(mpqOpenArc->hFile);
//SFFree(mpqOpenArc->lpFileName);
SFFree(mpqOpenArc->lpHashTable);
if(mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
if ((DWORD)mpqOpenArc->lpNextArc!=(DWORD)FirstLastMpq)
mpqOpenArc->lpNextArc->lpPrevArc = mpqOpenArc->lpPrevArc;
if ((DWORD)mpqOpenArc->lpPrevArc!=0xEAFC5E23)
mpqOpenArc->lpPrevArc->lpNextArc = mpqOpenArc->lpNextArc;
if (mpqOpenArc==FirstLastMpq[0])
FirstLastMpq[0] = mpqOpenArc->lpNextArc;
if ((DWORD)FirstLastMpq[0]==(DWORD)FirstLastMpq)
FirstLastMpq[0] = 0;
if (mpqOpenArc==FirstLastMpq[1])
FirstLastMpq[1] = mpqOpenArc->lpPrevArc;
if ((DWORD)FirstLastMpq[1]==0xEAFC5E23)
FirstLastMpq[1] = 0;
SFFree(mpqOpenArc);
if (!lpOpenMpq) return TRUE;
if (dwOpenMpqCount-1==0) {
SFFree(lpOpenMpq);
lpOpenMpq = 0;
dwOpenMpqCount--;
return TRUE;
}
else if (dwOpenMpqCount==0) return FALSE;
MPQARCHIVE **lpnOpenMpq = (MPQARCHIVE **)SFAlloc(sizeof(MPQARCHIVE *) * (dwOpenMpqCount-1));
if (lpnOpenMpq) {
for (DWORD i=0,j=0;i<dwOpenMpqCount;i++) {
if ((MPQHANDLE)lpOpenMpq[i]!=hMPQ) {
memcpy(&lpnOpenMpq[j],&lpOpenMpq[i],sizeof(MPQARCHIVE *));
j++;
}
}
SFFree(lpOpenMpq);
lpOpenMpq = lpnOpenMpq;
dwOpenMpqCount--;
}
else {
for (DWORD i=0,j=0;i<dwOpenMpqCount;i++) {
if ((MPQHANDLE)lpOpenMpq[i]==hMPQ) {
lpOpenMpq[i] = (MPQARCHIVE *)0;
}
else {
if (i!=j) memcpy(&lpOpenMpq[j],&lpOpenMpq[i],sizeof(MPQARCHIVE *));
j++;
}
}
dwOpenMpqCount--;
}
return TRUE;
}
BOOL SFMPQAPI WINAPI SFileGetArchiveName(MPQHANDLE hMPQ, LPCSTR lpBuffer, DWORD dwBufferLength)
{
if (hMPQ==0 || lpBuffer==0) {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
DWORD dwhType = GetHandleType(hMPQ);
char *lpFileName;
if (dwhType==SFILE_TYPE_MPQ) lpFileName = ((MPQARCHIVE *)hMPQ)->lpFileName;
else if (dwhType==SFILE_TYPE_FILE) lpFileName = ((MPQFILE *)hMPQ)->lpFileName;
else return FALSE;
DWORD slen = strlen(lpFileName)+1;
if (dwBufferLength>=slen) memcpy((void *)lpBuffer,lpFileName,slen);
else memcpy((void *)lpBuffer,lpFileName,dwBufferLength);
return TRUE;
}
BOOL SFMPQAPI WINAPI SFileOpenFile(LPCSTR lpFileName, MPQHANDLE *hFile)
{
return SFileOpenFileEx(0,lpFileName,SFILE_SEARCH_CURRENT_ONLY,hFile);
}
BOOL WINAPI IsHexDigit(char nChar)
{
switch (nChar) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case 'A':
case 'a':
case 'B':
case 'b':
case 'C':
case 'c':
case 'D':
case 'd':
case 'E':
case 'e':
case 'F':
case 'f':
return TRUE;
default:
return FALSE;
}
return FALSE;
}
BOOL SFMPQAPI WINAPI SFileOpenFileEx(MPQHANDLE hMPQ, LPCSTR lpFileName, DWORD dwSearchScope, MPQHANDLE *hFile)
{
if (!lpFileName || !hFile) {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (!*lpFileName) {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
/*char szFileName[260];
if (hMPQ!=0) {
if ((DWORD)lpFileName<((MPQARCHIVE *)hMPQ)->MpqHeader.dwHashTableSize) {
sprintf(szFileName,UNKNOWN_OUT,(DWORD)lpFileName);
lpFileName = szFileName;
dwSearchScope = SFILE_SEARCH_CURRENT_ONLY;
}
}
else {
for (DWORD i=0;i<dwOpenMpqCount;i++) {
if ((DWORD)lpFileName<lpOpenMpq[i]->MpqHeader.dwHashTableSize) {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
}
}*/
MPQFILE **lpnOpenFile = (MPQFILE **)SFAlloc(sizeof(MPQFILE *) * (dwOpenFileCount+1));
if (!lpnOpenFile) return FALSE;
MPQFILE *mpqOpenFile = (MPQFILE *)SFAlloc(sizeof(MPQFILE));
if (!mpqOpenFile) {
SFFree(lpnOpenFile);
return FALSE;
}
BOOL bFileOnDisk=FALSE;
MPQHANDLE hnMPQ,hnFile;
TempAlloc NewAlloc;
if (dwSearchScope==SFILE_SEARCH_CURRENT_ONLY) {
if (hMPQ) {
if (memicmp(lpFileName,UNKNOWN_CMP,UNKNOWN_LEN)==0 && IsHexDigit(lpFileName[UNKNOWN_LEN])) {
DWORD dwHashIndex;
sscanf(lpFileName,UNKNOWN_IN,&dwHashIndex);
hnFile = (HANDLE)&((MPQARCHIVE *)hMPQ)->lpHashTable[dwHashIndex];
if ((((HASHTABLEENTRY *)hnFile)->dwBlockTableIndex&0xFFFFFFFE)==0xFFFFFFFE)
{
SFFree(mpqOpenFile);
SFFree(lpnOpenFile);
SetLastError(ERROR_FILE_NOT_FOUND);
return FALSE;
}
}
else hnFile = GetHashTableEntry(hMPQ,lpFileName,LocaleID);
hnMPQ = hMPQ;
}
else {
SearchOpenArchives(lpFileName,&hnMPQ,&hnFile);
}
}
else {
SearchOpenArchives(lpFileName,&hnMPQ,&hnFile);
if (!hnFile) {
hnMPQ = 0;
DWORD namelen = GetFullPath(lpFileName,0,0);
char *namebuffer = (char *)NewAlloc.Alloc(namelen);
GetFullPath(lpFileName,namebuffer,namelen);
lpFileName = namebuffer;
hnFile = CreateFile(lpFileName,GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,0,0);
if (hnFile==INVALID_HANDLE_VALUE) hnFile=0;
else bFileOnDisk = TRUE;
}
}
if (hnMPQ) {
if(!((MPQARCHIVE *)hnMPQ)->lpBlockTable) {
SFFree(mpqOpenFile);
SFFree(lpnOpenFile);
SetLastError(ERROR_FILE_NOT_FOUND);
return FALSE;
}
}
if (!hnFile) {
SFFree(mpqOpenFile);
SFFree(lpnOpenFile);
SetLastError(ERROR_FILE_NOT_FOUND);
return FALSE;
}
mpqOpenFile->lpFileName = (char *)SFAlloc(strlen(lpFileName)+1);
if (!mpqOpenFile->lpFileName) {
SFFree(mpqOpenFile);
SFFree(lpnOpenFile);
return FALSE;
}
if (hnMPQ) {
if (!(((MPQARCHIVE *)hnMPQ)->lpBlockTable[((HASHTABLEENTRY *)hnFile)->dwBlockTableIndex].dwFlags & MAFA_EXISTS)) {
SFFree(mpqOpenFile->lpFileName);
SFFree(mpqOpenFile);
SFFree(lpnOpenFile);
SetLastError(ERROR_FILE_INVALID);
return FALSE;
}
}
strcpy(mpqOpenFile->lpFileName,lpFileName);
if (!bFileOnDisk) {
mpqOpenFile->lpParentArc = (MPQARCHIVE *)hnMPQ;
mpqOpenFile->hFile = INVALID_HANDLE_VALUE;
mpqOpenFile->lpHashEntry = (HASHTABLEENTRY *)hnFile;
mpqOpenFile->lpBlockEntry = &((MPQARCHIVE *)hnMPQ)->lpBlockTable[mpqOpenFile->lpHashEntry->dwBlockTableIndex];
mpqOpenFile->lpParentArc->dwRefCount++;
if (mpqOpenFile->lpBlockEntry->dwFlags&MAFA_ENCRYPT) {
LPSTR lpOldNameBuffer = mpqOpenFile->lpFileName;
if (memicmp(mpqOpenFile->lpFileName,UNKNOWN_CMP,UNKNOWN_LEN)==0 && IsHexDigit(mpqOpenFile->lpFileName[UNKNOWN_LEN]))
mpqOpenFile->lpFileName = 0;
mpqOpenFile->dwCryptKey = DetectFileSeedEx(mpqOpenFile->lpParentArc,mpqOpenFile->lpHashEntry,(LPCSTR *)&mpqOpenFile->lpFileName);
if (memicmp(lpFileName,UNKNOWN_CMP,UNKNOWN_LEN)==0 && IsHexDigit(lpFileName[UNKNOWN_LEN])) {
if (!mpqOpenFile->lpFileName)
mpqOpenFile->lpFileName = lpOldNameBuffer;
else
SFFree(lpOldNameBuffer);
}
if (mpqOpenFile->dwCryptKey==0) {
SFFree(mpqOpenFile->lpFileName);
SFFree(mpqOpenFile);
SFFree(lpnOpenFile);
SetLastError(ERROR_FILE_INVALID);
return FALSE;
}
}
}
else {
mpqOpenFile->hFile = hnFile;
}
strncpy(mpqOpenFile->szFileName,mpqOpenFile->lpFileName,259);
*hFile = (MPQHANDLE)mpqOpenFile;
memcpy(lpnOpenFile,lpOpenFile,sizeof(MPQFILE *) * dwOpenFileCount);
lpnOpenFile[dwOpenFileCount] = mpqOpenFile;
if (lpOpenFile) SFFree(lpOpenFile);
lpOpenFile = lpnOpenFile;
dwOpenFileCount++;
return TRUE;
}
BOOL SFMPQAPI WINAPI SFileCloseFile(MPQHANDLE hFile)
{
if (!hFile) {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
MPQFILE *mpqOpenFile = (MPQFILE *)hFile;
if (dwOpenFileCount==0) return FALSE;
SFFree(mpqOpenFile->lpFileName);
if (mpqOpenFile->lpdwBlockOffsets) SFFree(mpqOpenFile->lpdwBlockOffsets);
if (mpqOpenFile->hFile == INVALID_HANDLE_VALUE) mpqOpenFile->lpParentArc->dwRefCount--;
SFFree(mpqOpenFile);
if (lpOpenFile==0) return TRUE;
if (dwOpenFileCount-1==0) {
SFFree(lpOpenFile);
lpOpenFile = (MPQFILE **)0;
dwOpenFileCount--;
return TRUE;
}
else if (dwOpenFileCount==0) return FALSE;
MPQFILE **lpnOpenFile = (MPQFILE **)SFAlloc(sizeof(MPQFILE *) * (dwOpenFileCount-1));
if (lpnOpenFile) {
for (DWORD i=0,j=0;i<dwOpenFileCount;i++) {
if ((MPQHANDLE)lpOpenFile[i]!=hFile) {
memcpy(&lpnOpenFile[j],&lpOpenFile[i],sizeof(MPQFILE *));
j++;
}
}
SFFree(lpOpenFile);
lpOpenFile = lpnOpenFile;
dwOpenFileCount--;
}
else {
for (DWORD i=0,j=0;i<dwOpenFileCount;i++) {
if ((MPQHANDLE)lpOpenFile[i]==hFile) {
lpOpenFile[i] = (MPQFILE *)0;
}
else {
if (i!=j) memcpy(&lpOpenFile[j],&lpOpenFile[i],sizeof(MPQFILE *));
j++;
}
}
dwOpenFileCount--;
}
return TRUE;
}
DWORD SFMPQAPI WINAPI SFileGetFileSize(MPQHANDLE hFile, LPDWORD lpFileSizeHigh)
{
if (!hFile) {
SetLastError(ERROR_INVALID_PARAMETER);
return (DWORD)-1;
}