void BlowFish::Encode(byte* key,ByteBuf & buf)
{
CBlowFish blow;
blow.Initialize((byte*)key,16);
int iLength = buf.first;
int iDifference = iLength % 8;
int iNewLength = iLength;
if( iDifference != 0 )
iNewLength = (iLength - iDifference) + 8;
buf.first=blow.Encode(buf.second,buf.second,iNewLength);
}
void BlowFishDecode(byte* key, int nBufLen, byte* pBuff)
{
CBlowFish blow;
blow.Initialize((byte*)key,16);
int nlength = nBufLen;
int nDifference = nlength % 8;
int nNewLength = nlength;
if( nDifference != 0 )
nNewLength = (nlength - nDifference) + 8;
blow.Decode(pBuff,pBuff,nNewLength);
}
void BlowFishCWrapper_Decode(BYTE_BLOWFISH * pInput, BYTE_BLOWFISH * pOutput, DWORD_BLOWFISH lSize)
{
CBlowFish blow;
/*blow.Initialize((byte*)&key,sizeof(key));*/
blow.Initialize((byte*)key,16);
int iLength = buf.first;
int iDifference = iLength % 8;
int iNewLength = iLength;
if( iDifference != 0 )
iNewLength = (iLength - iDifference) + 8;
/*buf.first=*/blow.Decode(buf.second,buf.second,iNewLength);
}
DWORD WINAPI Encrypt(PBYTE pbBuffer, TMyPAZEntry *pEntry)
{
CHAR szName[MAX_PATH];
BYTE bySeed[400];
DWORD dwSeed, dwSize;
LPCSTR lpCrud;
LPSTR lpExt, lpFileName;
lpFileName = pEntry->szName;
lstrcpy(szName, lpFileName);
lpExt = findext(szName);
if (lpExt && bIsVoice)
{
*lpExt = 0;
}
dwSize = pEntry->dwCompSize;
lpCrud = GetCrud(findext(lpFileName), &GameInfo[dwInfoIndex]);
if (lpCrud)
dwSeed = sprintf((char *)bySeed, "%s %08X %s", strlwr(lpFileName), pEntry->dwCompSize, lpCrud ? lpCrud : "");
if (g_bIsMovie == False)
{
CBlowFish bf;
bf.Initialize(GameInfo[dwInfoIndex].key[dwKeyIndex].DataKey, sizeof(GameInfo[dwInfoIndex].key[dwKeyIndex].DataKey));
if (lpCrud)
{
Decrypt(bySeed, dwSeed, pbBuffer, dwSize);
}
dwSize = bf.Encode(pbBuffer, pbBuffer, pEntry->dwDecryptSize);
}
else
{
if (dwInfoIndex != EF_FIRST)
{
memset(&bySeed[dwSeed + 10], 0, 0x100);
DecryptMovie(&bySeed[dwSeed + 10], bySeed, dwSeed, pbBuffer, pEntry->dwCompSize);
}
else
{
}
}
if (bNeedXor)
Xor(pbBuffer, dwSize);
return dwSize;
}
void StrCrypt(unsigned char *buf1, unsigned long buf1len, unsigned char *buf2, unsigned long buf2len, unsigned char *key, CryptAction action)
{
CBlowFish *BlowFish = new CBlowFish(key, strlen((char*)key));
if(action == Encrypt)
{
BlowFish->Encrypt(buf1, buf1, buf1len, CBlowFish::ECB);
CharStr2HexStr(buf1, (char*)buf2, buf1len);
}
else if(action == Decrypt)
{
HexStr2CharStr((char*)buf1, buf2, buf2len/2);
BlowFish->Decrypt(buf2, buf2, buf2len, CBlowFish::ECB);
}
delete BlowFish;
};
//===========================================================================
//スレッド実行
//===========================================================================
void __fastcall TAttacheCaseFileDecrypt1::Execute()
{
int i, c, len;
float ProgressPercentNumF; //進捗パーセンテージ（浮動小数点）
// バッファ
char buffer[BUF_SIZE];
char source_buffer[BUF_SIZE];
char temp_buffer[BUF_SIZE];
char output_buffer[LARGE_BUF_SIZE];
char *headerbuffer;
//パスワード
bool fPasswordOk;
String FilePath, FileName;
// ファイルストリーム
TFileStream *fsIn;
TFileStream *fsOut;
bool fInputFileOpen = false;
bool fOutputFileOpen = false;
float free_space_required;
__int64 CurrentPos, TotalSize;
__int64 CurrentDriveFreeSpaceSize;
//処理する合計サイズ
AllTotalSize = 0;
int ret; //バッファ出力の返値
int FileIndex = 0;
//Blowfish
CBlowFish *bf;
char token[17] = {0, };
const String PrefixString = "Fn_";
const char charTokenString[17] = "_AttacheCaseData"; //復号の正否に使う
String AtcFileTokenString; //暗号化ファイルのトークン（文字列）
String AtcFileCreateDateString; //暗号化ファイルの生成日時（文字列）
//同名ファイル/フォルダーはすべて上書きして復号する
//（ユーザーがダイアログで「すべてはい」を選択したとき = true ）
fOverwirteYesToAll = false;
//「復号したファイルを関連付けされたソフトで開く」一時的な設定
fTempOpenFile = fOpenFile;
//フォルダーを一度開いたか（深いフォルダーすべてを開かないように）
fOpenFolderOnce = false;
// 出力するディレクトリ
OutDirPath = IncludeTrailingPathDelimiter(OutDirPath);
String TempRelativePath;
// 暗号化部分のヘッダサイズ
int EncryptHeaderSize = 0;
int DataVersion; // ver.2.00～は "5", ver.2.70～は "6"
int flush, status; // zlib
z_stream z; // zlibライブラリとやりとりするための構造体
bool fInputEnd = false; // 入力ストリームの終了
//ヘッダデータから必要情報を取り出すための
TMemoryStream *pms; // メモリストリーム
int idx;
TStringList *DataList;
TStringList *tsv;
TStringList *FileList = new TStringList(); // 0: ファイル名
__int64 *FileSizeList = 0; // 1: ファイルサイズ（フォルダは-1）
int *FileAttrList = 0; // 2: 属性
int *FileAgeList = 0; // 3: タイムスタンプ
int rest;
int buf_size;
//----------------------------------------------------------------------
// 平文のヘッダ内容チェック
try {
fsIn = new TFileStream(AtcFilePath, fmOpenRead | fmShareDenyNone);
}
catch(...) {
//'復号するファイルを開けません。他のアプリケーションが使用中の可能性があります。'
MsgText = LoadResourceString(&Msgdecrypt::_MSG_ERROR_FILE_OPEN);
MsgType = mtError;
MsgButtons = TMsgDlgButtons() << mbOK;
MsgDefaultButton = mbOK;
Synchronize(&PostConfirmMessageForm);
goto LabelError;
}
fInputFileOpen = true;
// 暗号部ヘッダサイズを取得
fsIn->Read(&EncryptHeaderSize, sizeof(int));
// トークンを取得
fsIn->Read(token, 16);
if (StrComp(token, charTokenString) != 0 ) {
//--------------------------------------------------------
//実は自己実行形式ファイル？（拡張子偽装されている場合も）
//--------------------------------------------------------
// サイズを再取得
fsIn->Seek(-(__int64)sizeof(__int64), TSeekOrigin::soEnd);
fsIn->Read(&AllTotalSize, sizeof(__int64));
// 位置を戻す
fsIn->Seek(-(AllTotalSize + sizeof(__int64)), TSeekOrigin::soEnd);
// もう一度、暗号部ヘッダサイズを取得
fsIn->Read(&EncryptHeaderSize, sizeof(int));
// もう一度、トークンを取得
fsIn->Read(token, 16);
// トークンを再チェック
if (StrComp(token, charTokenString) != 0 ) {
// '暗号化ファイルではありません。アタッシェケースによって暗号化されたファイルでないか、'+#13+
// 'ファイルが壊れている可能性があります。'
MsgText = LoadResourceString(&Msgdecrypt::_MSG_ERROR_FILE_NOT_ATC);
MsgType = mtError;
MsgButtons = TMsgDlgButtons() << mbOK;
MsgDefaultButton = mbOK;
Synchronize(&PostConfirmMessageForm);
goto LabelError;
}
}
else{
AllTotalSize = fsIn->Size;
}
//-----------------------------------
// データバージョンチェック
//-----------------------------------
DataVersion = -1;
fsIn->Read(&DataVersion, sizeof(int));
if (DataVersion <= 103) {
// Blowfishで暗号化されたファイル
}
else{
//'バージョンがちがいます。復号できません。'+#13+
//'ファイルはver.1のアタッシェケースで暗号化されていません。';
MsgText = LoadResourceString(&Msgdecrypt::_MSG_ERROR_NOT_BLOWFISH_ENCRYPTION);
MsgType = mtError;
MsgButtons = TMsgDlgButtons() << mbOK;
MsgDefaultButton = mbOK;
Synchronize(&PostConfirmMessageForm);
goto LabelError;
}
//-----------------------------------
// 復号の準備
//-----------------------------------
bf = new CBlowFish;
bf->Initialize( KeyString.c_str(), KeyString.Length() ); //初期化
//-----------------------------------
// 暗号部ヘッダの復号（ECBモード）
//-----------------------------------
pms = new TMemoryStream;
len = 0;
while (len < EncryptHeaderSize) {
// 読み出しバッファ
for (c = 0; c < BUF_SIZE; c++) {
source_buffer[c] = 0;
}
// 暗号化されたデータブロックの読み出し
len += fsIn->Read(source_buffer, BUF_SIZE);
// 復号処理
bf->Decode( source_buffer, buffer, BUF_SIZE);
pms->Write(buffer, BUF_SIZE);
}
pms->Seek((__int64)0, TSeekOrigin::soBeginning); //ポインタを先頭へ戻す
DataList = new TStringList;
DataList->LoadFromStream(pms, TEncoding::GetEncoding(932)); // shift-jis
//-----------------------------------
// 復号正否（復号できたか）
//-----------------------------------
if (DataList->Count == 0 || DataList->Strings[0].Pos("AttacheCase") == 0) {
fPasswordOk = false;
}
else{
fPasswordOk = true; //パスワード合致
}
if ( fPasswordOk == false ) {
//'パスワードがちがいます。復号できません。'+#13+
//'場合によってはファイルが壊れている可能性もあります。';
MsgText = LoadResourceString(&Msgdecrypt::_MSG_ERROR_PASSWORD_WRONG);
MsgType = mtError;
MsgButtons = TMsgDlgButtons() << mbOK;
MsgDefaultButton = mbOK;
Synchronize(&PostConfirmMessageForm);
delete DataList;
goto LabelTypeMiss;
}
//-----------------------------------
// 復号時のエンコーディング判定
//-----------------------------------
pms->Position = 0;
DataList->LoadFromStream(pms, TEncoding::GetEncoding(932)); // shift-jis
//===================================
// デバッグ
//ShowMessage(DataList->Text);
//===================================
delete pms;
//-----------------------------------
// 暗号化ファイルの生成日時
//-----------------------------------
//※特に今は使用していないが、将来的に
// 期限付きでファイルを復号できなくなる
// などの機能を追加しても良いかも。
//-----------------------------------
AtcFileCreateDateString = DataList->Strings[1];
//-----------------------------------
// ヘッダデータからファイルリストや
// ファイル情報などを各変数を動的確保
//-----------------------------------
FileSizeList = new __int64[DataList->Count]; // 1: ファイルサイズ（フォルダは-1）
FileAttrList = new int[DataList->Count]; // 2: 属性
FileAgeList = new int[DataList->Count]; // 3: タイムスタンプ
DataList->NameValueSeparator = ':';
tsv = new TStringList;
tsv->Delimiter = '\t';
tsv->StrictDelimiter = true;
char lpPath[MAX_PATH];
for (i = 0; i < DataList->Count; i++) {
idx = DataList->IndexOfName(PrefixString+IntToStr(i));
if (idx > 0) {
tsv->DelimitedText = DataList->ValueFromIndex[idx];
// ディレクトリ・トラバーサル対策（ver.2.8.5.0～）
bool fDirectoryTraversal = false;
AnsiString CanonicalizePath = AnsiString(OutDirPath + tsv->Strings[0]);
if (CanonicalizePath.Length() < MAX_PATH) {
// ファイルパスを正規化
if (PathCanonicalize(lpPath, CanonicalizePath.c_str()) == true) {
// 正規化したパスが保存先と一致するか
if (AnsiString(lpPath).Pos(OutDirPath) != 1 ){
fDirectoryTraversal = true;
}
}
else{
fDirectoryTraversal = true;
}
}
else{
fDirectoryTraversal = true;
}
if (fDirectoryTraversal == true) {
//'不正なファイルパスが含まれています。復号できません。';
MsgText = LoadResourceString(&Msgdecrypt::_MSG_ERROR_INVALID_FILE_PATH) +
"\n" + CanonicalizePath;
MsgType = mtError;
MsgButtons = TMsgDlgButtons() << mbOK;
MsgDefaultButton = mbOK;
Synchronize(&PostConfirmMessageForm);
delete DataList;
goto LabelTypeMiss;
}
FileList->Add(tsv->Strings[0]); // 0: ファイルパス
FileSizeList[i] = StrToIntDef(tsv->Strings[1], -1); // 1: ファイルサイズ（フォルダは-1）
FileAttrList[i] = StrToIntDef(tsv->Strings[2], -1); // 2: 属性
FileAgeList[i] = StrToIntDef(tsv->Strings[3], -1); // 3: タイムスタンプ
}
}
delete tsv;
delete DataList;
//-----------------------------------
//ディスクの空き容量チェック
//-----------------------------------
CurrentDriveFreeSpaceSize = GetDiskFreeSpaceNum(OutDirPath);
if (CurrentDriveFreeSpaceSize > -1) {
if ( AllTotalSize > CurrentDriveFreeSpaceSize ) {
//'復号する先のドライブの空き容量が足りません。'+#13+
//'復号するには、約%dMBの空き容量が必要です。復号処理を中止します。';
MsgText = LoadResourceString(&Msgdecrypt::_MSG_ERROR_DRIVE_NO_FREE_SPACE);
free_space_required = (float)AllTotalSize/1024/1024; // MB
MsgText = String().sprintf(MsgText.c_str(), free_space_required);
MsgType = mtError;
MsgButtons = TMsgDlgButtons() << mbOK;
MsgDefaultButton = mbOK;
Synchronize(&PostConfirmMessageForm);
goto LabelError;
}
}
else{
// OK!
//
}
//-----------------------------------
//複数フォルダ/ファイルを開こうとしているので確認
//-----------------------------------
//復号したファイルを関連付けされたソフトで開くか
if ( fTempOpenFile == true && FileList->Count > 4) {
//'5つ以上のファイルを復号後に開こうとしていますが、処理を続けますか？'+#13+
//'「いいえ」を選択すると、開かず復号します。';
MsgText = LoadResourceString(&Msgdecrypt::_MSG_CONFIRM_OPEN_DECRYPTED_FILES);
MsgType = mtConfirmation;
MsgButtons = TMsgDlgButtons() << mbYes << mbNo << mbCancel;
MsgDefaultButton = mbCancel;
Synchronize(&PostConfirmMessageForm);
if ( MsgReturnVal == mrCancel ) {
goto LabelStop;
}
else if ( MsgReturnVal == mrNo ) {
fTempOpenFile = true;
}
}
//-----------------------------------
// 復号開始
//-----------------------------------
//'復号しています...'
ProgressStatusText = LoadResourceString(&Msgdecrypt::_LABEL_STATUS_TITLE_DECRYPTING);
ProgressMsgText = ExtractFileName(AtcFilePath);
// ファイル（データ本体）サイズを取得する
AllTotalSize = fsIn->Size - fsIn->Position + 1;
// zlib 前準備
// 圧縮においてすべてのメモリ管理をライブラリに任せる
z.zalloc = Z_NULL;
z.zfree = Z_NULL;
z.opaque = Z_NULL;
if (inflateInit(&z) != Z_OK) {
// エラー
// zlibエラーは最後でまとめてメッセージ処理
goto LabelError;
}
// 通常は deflate() の第2引数は Z_NO_FLUSH にして呼び出す
flush = Z_NO_FLUSH;
// 入出力バッファ
for (i = 0; i < LARGE_BUF_SIZE; i++) {
output_buffer[i] = 0;
}
z.avail_in = 0; // 入力バッファ中のデータのバイト数
z.next_in = Z_NULL; // 入力バッファ中のデータのバイト数
z.next_out = output_buffer; // 出力バッファ残量
z.avail_out = LARGE_BUF_SIZE; // 出力ポインタ（展開するので大きめに）
status = Z_OK;
while (Terminated == false) {
//-----------------------------------
// 入力
//-----------------------------------
if (z.avail_in == 0) {
TotalSize = InputBuffer(bf, len, source_buffer, fsIn, fInputFileOpen, TotalSize);
z.avail_in = len;
z.next_in = source_buffer;
if ( len == 0 ) { //入力ストリーム終了
fInputEnd = true;
}
}
//-----------------------------------
// 展開
//-----------------------------------
status = inflate(&z, flush);
//-----------------------------------
// 処理ステータス
//-----------------------------------
if ( status == Z_OK ){
if ( z.avail_out == 0 ) {
ret = OutputBuffer(output_buffer, LARGE_BUF_SIZE,
fsOut, fOutputFileOpen,
FileList, FileIndex,
FileSizeList, FileAttrList, FileAgeList);
if ( ret == 0) {
z.next_out = output_buffer;
z.avail_out = LARGE_BUF_SIZE;
}
else if (ret == -1) {
goto LabelError;
}
else{
goto LabelStop;
}
}//end if (z.avail_out == 0);
}
//-----------------------------------
// バッファエラー
//-----------------------------------
else if ( status == Z_BUF_ERROR ) { //出力バッファがいっぱいの可能性
//出力バッファをクリアにして継続させる
len = LARGE_BUF_SIZE - z.avail_out;
ret = OutputBuffer(output_buffer, len,
fsOut, fOutputFileOpen,
FileList, FileIndex,
FileSizeList, FileAttrList, FileAgeList);
if (ret == 0) {
z.next_out = output_buffer;
z.avail_out = LARGE_BUF_SIZE;
}
else if ( ret == -1) {
goto LabelError;
}
else{
goto LabelStop;
}
}
//-----------------------------------
// 終了
//-----------------------------------
else if (status == Z_STREAM_END) {
break;
}
//-----------------------------------
// エラー
//-----------------------------------
else{
// #define Z_OK 0
// #define Z_STREAM_END 1
// #define Z_NEED_DICT 2
// #define Z_ERRNO (-1)
// #define Z_STREAM_ERROR (-2)
// #define Z_DATA_ERROR (-3)
// #define Z_MEM_ERROR (-4)
// #define Z_BUF_ERROR (-5)
// #define Z_VERSION_ERROR (-6)
goto LabelError;
}
//-----------------------------------
//進捗状況表示
ProgressPercentNumF = (float)TotalSize/AllTotalSize;
ProgressPercentNum = (int)(ProgressPercentNumF*100);
if (AllTotalSize < 104857600) { // 100MB未満
ProgressPercentNumText = IntToStr(ProgressPercentNum)+"%";
}
else{
ProgressPercentNumText = FloatToStrF(ProgressPercentNumF*100, ffNumber, 4, 1)+"%";
}
if ( fInputEnd == true) {
break;
}
}//while (!Terminated);
if (Terminated == true) {
//ユーザーキャンセルで抜けてきた
goto LabelStop;
}
//----------------------------------------------------------------------
// 万が一、出力バッファに余りがある場合
//----------------------------------------------------------------------
len = LARGE_BUF_SIZE - z.avail_out;
ret = OutputBuffer(output_buffer, len,
fsOut, fOutputFileOpen,
FileList, FileIndex,
FileSizeList, FileAttrList, FileAgeList);
if ( ret == 0 ) {
}
else if ( ret == -1 ){
goto LabelError;
}
else{
goto LabelStop;
}
if (inflateEnd(&z) != Z_OK) {
goto LabelError;
}
ProgressPercentNum = 100;
//'完了'
ProgressStatusText = LoadResourceString(&Msgdecrypt::_LABEL_STATUS_TITLE_COMPLETE);
ProgressMsgText = ExtractFileName(AtcFilePath);
if ( fInputFileOpen == true ) {
delete fsIn;
fInputFileOpen = false;
}
if ( fOutputFileOpen == true ) {
delete fsOut;
fOutputFileOpen = false;
}
delete FileList;
delete [] FileSizeList; // 1: ファイルサイズ（フォルダは-1）
delete [] FileAttrList; // 2: 属性
delete [] FileAgeList; // 3: 更新日
//復号成功
StatusNum = 1;
return;
//-----------------------------------
//パスワード入力ミスの後始末
//-----------------------------------
LabelTypeMiss:
ProgressPercentNum = 0;
//'エラー'
ProgressStatusText = LoadResourceString(&Msgdecrypt::_LABEL_STATUS_TITLE_ERROR);
//'復号に失敗しました。'
ProgressMsgText = LoadResourceString(&Msgdecrypt::_LABEL_STATUS_DETAIL_FAILED);
if ( fInputFileOpen == true ) {
delete fsIn;
fInputFileOpen = false;
}
if ( fOutputFileOpen == true ) {
delete fsOut;
fOutputFileOpen = false;
}
delete FileList;
delete [] FileSizeList;
delete [] FileAttrList;
delete [] FileAgeList;
StatusNum = -1;
return;
//-----------------------------------
//エラーの後始末
//-----------------------------------
LabelError:
ProgressPercentNum = 0;
if ( status < 0 ){
//'zlibライブラリからエラーを返されました。'
//'エラー番号：'
MsgText = LoadResourceString(&Msgdecrypt::_MSG_ERROR_ZLIB) + IntToStr(status) + "\n" + z.msg;
MsgType = mtError;
MsgButtons = TMsgDlgButtons() << mbOK;
MsgDefaultButton = mbOK;
Synchronize(&PostConfirmMessageForm);
}
//'エラー'
ProgressStatusText = LoadResourceString(&Msgdecrypt::_LABEL_STATUS_TITLE_ERROR);
//'復号に失敗しました。'
ProgressMsgText = LoadResourceString(&Msgdecrypt::_LABEL_STATUS_DETAIL_FAILED);
if ( fInputFileOpen == true ) {
delete fsIn;
fInputFileOpen = false;
}
if ( fOutputFileOpen == true ) {
delete fsOut;
fOutputFileOpen = false;
}
delete FileList;
delete [] FileSizeList;
delete [] FileAttrList;
delete [] FileAgeList;
StatusNum = -2;
return;
//-----------------------------------
//ユーザーキャンセルの後始末
//-----------------------------------
LabelStop:
ProgressPercentNum = 0;
//'キャンセル'
ProgressStatusText = LoadResourceString(&Msgdecrypt::_LABEL_STATUS_TITLE_USER_CANCEL);
//'復号が中止されました。'
ProgressMsgText = LoadResourceString(&Msgdecrypt::_LABEL_STATUS_DETAIL_STOPPED);
if ( fInputFileOpen == true ) {
delete fsIn;
fInputFileOpen = false;
}
if ( fOutputFileOpen == true ) {
delete fsOut;
fOutputFileOpen = false;
}
delete FileList;
delete [] FileSizeList;
delete [] FileAttrList;
delete [] FileAgeList;
StatusNum = 0;
return;
}
int Compact(TCHAR* szFolder,TCHAR* szFileName)
{
DWORD temp;
if(!::SetCurrentDirectory(szFolder))
return -1;
char* p=szFolder;
p+=strlen(szFolder);
if(*(p-1)=='\\')
p--;
while(*--p!='\\');
string prefix=++p;
p=szFolder+strlen(szFolder);
if(*(p-1)=='\\')
--p;
strcpy(p,".dat");
key_info_t keys;
for (unsigned long i = 0; !GAME_INFO.keys[i].prefix.empty(); i++)
{
if (prefix == GAME_INFO.keys[i].prefix)
{
keys = GAME_INFO.keys[i];
}
}
if (keys.prefix.empty())
return -1;
bool is_audio = prefix == "bgm" || prefix == "se" || prefix == "voice" || prefix == "PMvoice";
bool is_mov = prefix == "mov";
if(is_mov)
return -1;
PAZHDR hdr;
// strcpy((char*)&hdr,"mashiroiro");
HANDLE hOldFile=CreateFile(szFileName,GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0);
if(hOldFile==INVALID_HANDLE_VALUE)
return -1;
ReadFile(hOldFile,&hdr,sizeof(hdr),&temp,0);
char simple_key = hdr.toc_len >> 24;
if(simple_key)
return -1;
char* toc_buff2=new char[hdr.toc_len];
ReadFile(hOldFile,toc_buff2,hdr.toc_len,&temp,0);
CloseHandle(hOldFile);
CBlowFish bf;
bf.Initialize(keys.toc_key,sizeof(keys.toc_key));
bf.Decode((unsigned char*)toc_buff2,(unsigned char*)toc_buff2,hdr.toc_len);
list<PAZENTRY2> entries;
list<PAZENTRY2>::iterator ent_itr,ent_itr_end;
char*p2=toc_buff2;
int nEntryCount=*(long*)p2;
p2+=4;
for(int i=0;i<nEntryCount;i++)
{
PAZENTRY2 entry;
entry.fn=p2;
p2+=entry.fn.length()+1;
memcpy(&entry.ent,p2,sizeof(entry.ent));
p2+=sizeof(entry.ent);
entries.push_back(entry);
}
delete[] toc_buff2;
//int nSizeEntries=sizeof(PAZHDR2);
//WIN32_FIND_DATA stFindData;
//HANDLE hFind=FindFirstFile(TEXT("*"),&stFindData);
//if(hFind!=INVALID_HANDLE_VALUE)
// do
// {
// PAZENTRY2 entry;
// HANDLE hNowFile=CreateFile(stFindData.cFileName,GENERIC_READ,0,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0);
// if(hNowFile==INVALID_HANDLE_VALUE)
// continue;
// entry.fn=stFindData.cFileName;
// entry.ent.length =GetFileSize(hNowFile,NULL);
// entry.ent.original_length=entry.ent.length ;
// entry.ent.padded_length = (entry.ent.length + 7) & ~7;
// entries.push_back(entry);
// nSizeEntries+=entry.fn.length ()+1+sizeof(PAZENTRY);
// CloseHandle(hNowFile);
// }while(FindNextFile(hFind,&stFindData));
//else
// return -1;
//FindClose(hFind);
// nSizeEntries=(nSizeEntries + 7) & ~7;
int nNowOffset=sizeof(PAZHDR)+hdr.toc_len;
ent_itr=entries.begin();
ent_itr_end=entries.end();
char* toc_buff=new char[hdr.toc_len];
memset(toc_buff,0,hdr.toc_len);
*(long*)toc_buff=entries.size();
for(char* p=toc_buff+sizeof(PAZHDR2);ent_itr!=ent_itr_end;ent_itr++)
{
ent_itr->ent.offset=nNowOffset;
nNowOffset+=ent_itr->ent.padded_length;
strcpy(p,ent_itr->fn.c_str());
p+=ent_itr->fn.length()+1;
memcpy(p,&ent_itr->ent,sizeof(ent_itr->ent));
p+=sizeof(ent_itr->ent);
}
HANDLE hNewFile=CreateFile(szFolder,GENERIC_WRITE,FILE_SHARE_READ,0,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,0);
if(hNewFile==INVALID_HANDLE_VALUE)
return -1;
// hdr.toc_len=nSizeEntries;
WriteFile(hNewFile,&hdr,sizeof(hdr),&temp,0);
bf.Initialize(keys.toc_key,sizeof(keys.toc_key));
bf.Encode((unsigned char*)toc_buff,(unsigned char*)toc_buff,hdr.toc_len);
WriteFile(hNewFile,toc_buff,hdr.toc_len,&temp,0);
delete[] toc_buff;
ent_itr=entries.begin();
ent_itr_end=entries.end();
for(;ent_itr!=ent_itr_end;ent_itr++)
{
string filename=ent_itr->fn;
HANDLE hNowFile=CreateFile(filename.c_str(),GENERIC_READ,0,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0);
if(hNowFile==INVALID_HANDLE_VALUE)
return -1;
char* buff=new char[ent_itr->ent.padded_length];
memset(buff,0,ent_itr->ent.padded_length);
ReadFile(hNowFile,buff,ent_itr->ent.length,&temp,0);
CloseHandle(hNowFile);
string crud;
if (filename.find(".png") != string::npos)
{
crud = GAME_INFO.crud.png;
}
else if (filename.find(".ogg") != string::npos || is_audio)
{
crud = GAME_INFO.crud.ogg;
}
else if (filename.find(".sc") != string::npos)
{
crud = GAME_INFO.crud.sc;
}
else if (filename.find(".avi") != string::npos || filename.find(".mpg") != string::npos)
{
crud = GAME_INFO.crud.avi;
}
char entrylen[12];
wsprintf(entrylen," %08X ",ent_itr->ent.length);
transform(filename.begin (),filename.end (),filename.begin (),tolower);
string seed=filename+(string)entrylen+crud;
if(is_mov)
return -1;
else
{
bf.Initialize(keys.dat_key,sizeof(keys.dat_key));
if(!crud.empty())
unobfuscate3(seed,(unsigned char*)buff,ent_itr->ent.padded_length);
bf.Encode((unsigned char*)buff,(unsigned char*)buff,ent_itr->ent.padded_length);
}
WriteFile(hNewFile,buff,ent_itr->ent.padded_length,&temp,0);
delete[] buff;
}
SetEndOfFile(hNewFile);
CloseHandle(hNewFile);
return 0;
}
int Extract(TCHAR* szFileName)
{
int temp;
HANDLE hFile=CreateFile(szFileName,GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0);
if(hFile==INVALID_HANDLE_VALUE)
return -1;
LARGE_INTEGER liFileSize;
GetFileSizeEx(hFile,&liFileSize);
HANDLE hMap=CreateFileMapping(hFile,0,PAGE_READONLY,liFileSize.HighPart,liFileSize.LowPart,NULL);
if(!hMap)
{
CloseHandle(hFile);
return -1;
}
char* lpOri=(char*)MapViewOfFile(hMap,FILE_MAP_READ,0,0,0);
if(!lpOri)
{
CloseHandle(hFile);
CloseHandle(hMap);
return -1;
}
char* p2=new char[20];
char* p3=p2;
{
char*pend=szFileName+strlen(szFileName);
char *p=pend;
while(*p--!='\\');
p+=2;
while(*p++!='.'&&p<pend)
*p3++=*(p-1);
*p3='\0';
}
string prefix(p2);
delete[] p2;
key_info_t keys;
for (unsigned long i = 0; !GAME_INFO.keys[i].prefix.empty(); i++)
{
if (prefix == GAME_INFO.keys[i].prefix)
{
keys = GAME_INFO.keys[i];
}
}
if (keys.prefix.empty())
{
return -1;
}
bool is_audio = prefix == "bgm" || prefix == "se" || prefix == "voice" || prefix == "PMvoice";
bool is_mov = prefix == "mov";
char* pcuroff=lpOri;
PAZHDR hdr;
//read(fd, &hdr, sizeof(hdr));
memcpy(&hdr,pcuroff,sizeof(hdr));
char simple_key = hdr.toc_len >> 24;
read_unobfuscate(pcuroff, simple_key, &hdr, sizeof(hdr));
pcuroff+=sizeof(hdr);
unsigned char* toc_buff = new unsigned char[hdr.toc_len];
// unsigned char* toc_buff2 = new unsigned char[hdr.toc_len];
read_unobfuscate(pcuroff, simple_key, toc_buff, hdr.toc_len);
pcuroff+=hdr.toc_len;
CBlowFish bf;
bf.Initialize (keys.toc_key, sizeof(keys.toc_key));
bf.Decode(toc_buff,toc_buff,hdr.toc_len);
PAZHDR2* hdr2 = (PAZHDR2*) toc_buff;
unsigned char* p = (unsigned char*) (hdr2 + 1);
//DWORD tmpp;
//HANDLE tmp=CreateFile("a.dat",GENERIC_WRITE,0,0,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,0);
//WriteFile(tmp,toc_buff,hdr.toc_len,&tmpp,0);
//CloseHandle(tmp);
unsigned char* mov_seed = NULL;
if (is_mov)
{
mov_seed = p;
p += 256;
}
for (unsigned long i = 0; i < hdr2->entry_count; i++)
{
string filename = (char*) p;
p += filename.length() + 1;
PAZENTRY* entry = (PAZENTRY*) p;
p += sizeof(*entry);
unsigned long len = 0;
unsigned char* buff = NULL;
len = entry->padded_length;
buff = new unsigned char[len];
//lseek(fd, entry->offset, SEEK_SET);
pcuroff=lpOri+entry->offset;
read_unobfuscate(pcuroff, simple_key, buff, len);
string crud;
if (filename.find(".png") != string::npos)
{
crud = GAME_INFO.crud.png;
}
else if (filename.find(".ogg") != string::npos || is_audio)
{
crud = GAME_INFO.crud.ogg;
}
else if (filename.find(".sc") != string::npos)
{
crud = GAME_INFO.crud.sc;
}
else if (filename.find(".avi") != string::npos || filename.find(".mpg") != string::npos)
{
crud = GAME_INFO.crud.avi;
}
char entrylen[12];
wsprintf(entrylen," %08X ",entry->length);
transform(filename.begin (),filename.end (),filename.begin (),tolower);
string seed=filename+(string)entrylen+crud;
if (is_mov)
{
decrypt_mov(mov_seed, seed, buff, len);
}
else
{
//bfD.SetKey (keys.dat_key ,sizeof(keys.dat_key ));
//bfD.ProcessData (buff,buff, len);
bf.Initialize(keys.dat_key ,sizeof(keys.dat_key ));
bf.Decode(buff,buff,len);
if (!crud.empty())
unobfuscate3(seed, buff, len);
}
char* path=new char[strlen(szFileName)+1];
char* ppath=path+strlen(szFileName);
strcpy(path,szFileName);
while(*--ppath!='.');
*ppath='\0';
if(!::SetCurrentDirectory(path))
{
CreateDirectory(path,0);
SetCurrentDirectory(path);
}
delete[] path;
wchar_t *fn=new wchar_t[filename.length()+1];
MultiByteToWideChar(932,0,filename.c_str(),-1,fn,filename.length()+1);
HANDLE hNewFile=_MakeFile(fn);
//HANDLE hNewFile=CreateFile(filename.c_str(),GENERIC_WRITE,FILE_SHARE_READ,0,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,0);
if(hNewFile==INVALID_HANDLE_VALUE)
continue;
WriteFile(hNewFile,buff,entry->length ,(LPDWORD)&temp,0);
CloseHandle(hNewFile);
delete[] buff;
}
return 0;
}
Void WINAPI WriteEntry(HANDLE hFile, TMyPAZEntry *pEntry, DWORD dwCount, Bool bEncrypt)
{
DWORD dwLength, dwEntryPos, dwRemainder;
PBYTE pbEntry;
BYTE byMovieSeed[256], byMod8[8];
*(LPDWORD)&byMod8[0] = 0;
*(LPDWORD)&byMod8[3] = 0;
dwEntryPos = 0x24 + (g_bIsMovie ? 0x100 : 0);
SetFilePointer(hFile, 0x20, 0, FILE_BEGIN);
WriteFile(hFile, &dwCount, 4, &dwLength, NULL); // entry size
WriteFile(hFile, &dwCount, 4, &dwLength, NULL); // entry count
if (g_bIsMovie)
{
if (bEncrypt == False)
{
if (dwInfoIndex != EF_FIRST)
{
memset(byMovieSeed, 0, sizeof(byMovieSeed));
WriteFile(hFile, byMovieSeed, sizeof(byMovieSeed), &dwLength, NULL);
}
else
{
for (int i = 0; i != 256; ++i)
{
byMovieSeed[i] = i;
}
for (int i = 0; i != 256; ++i)
WriteFile(hFile, byMovieSeed, sizeof(byMovieSeed), &dwLength, NULL);
}
}
else
{
SetFilePointer(hFile, dwInfoIndex != EF_FIRST ? 0x100 : 0x10000, 0, FILE_CURRENT);
}
}
for (DWORD i = dwCount; i; )
{
LPSTR lpExt;
--i;
lpExt = findext(pEntry[i].szName);
if (lpExt)
{
if (lstrcmpiA(lpExt, ".uca") && bIsVoice)
*lpExt = 0;
else if (lstrcmpiA(lpExt, ".ogg") && lstrcmpiA(lpExt, ".m4a"))
lpExt = NULL;
}
dwLength = lstrlenA(pEntry[i].szName) + 1;
WriteFile(hFile, pEntry[i].szName, dwLength, &dwLength, NULL);
if (lpExt && *lpExt == 0)
{
*lpExt = '.';
}
WriteFile(hFile, &pEntry[i].l64Offset, sizeof(*pEntry) - sizeof(pEntry->szName), &dwLength, NULL);
}
dwCount = SetFilePointer(hFile, 0, 0, FILE_CURRENT) - sizeof(TPAZHeader);
dwRemainder = dwCount % 8;
if (dwRemainder)
{
dwRemainder = 8 - dwRemainder;
WriteFile(hFile, byMod8, dwRemainder, &dwLength, NULL);
dwCount += dwRemainder;
}
if (bEncrypt)
{
HANDLE hHeap;
CBlowFish bf;
hHeap = ghHeap;
pbEntry = (PBYTE)HeapAlloc(hHeap, 0, dwCount);
SetFilePointer(hFile, 0x24, 0, FILE_BEGIN);
ReadFile(hFile, pbEntry, dwCount, &dwLength, NULL);
bf.Initialize(GameInfo[dwInfoIndex].key[dwKeyIndex].IndexKey, sizeof(GameInfo[dwInfoIndex].key[dwKeyIndex].IndexKey));
dwLength = bf.Encode(pbEntry, pbEntry, dwLength);
if (bNeedXor)
{
Xor(pbEntry, dwLength);
}
SetFilePointer(hFile, 0x24, 0, FILE_BEGIN);
WriteFile(hFile, pbEntry, dwLength, &dwLength, NULL);
dwCount = SetFilePointer(hFile, 0, 0, FILE_CURRENT) - sizeof(TPAZHeader) + 4;
}
dwCount += 4;
SetFilePointer(hFile, 0x20, NULL, FILE_BEGIN);
WriteFile(hFile, &dwCount, 4, &dwLength, NULL); // entry size
if (bEncrypt && bNeedXor)
{
CHAR h[0x24];
SetFilePointer(hFile, 0, NULL, FILE_BEGIN);
ReadFile(hFile, h, sizeof(h), &dwLength, NULL);
Xor((PBYTE)h, sizeof(h));
SetFilePointer(hFile, 0, NULL, FILE_BEGIN);
WriteFile(hFile, h, sizeof(h), &dwLength, NULL);
}
SetFilePointer(hFile, 0, 0, FILE_END);
}
int Compact(TCHAR* szFolder,TCHAR* szFileName)
{
DWORD temp;
int len=lstrlen(szFolder);
if(szFolder[len-1]=='\\')
szFolder[len-1]='\0';
if(!(GetFileAttributes(szFolder)&FILE_ATTRIBUTE_DIRECTORY))
{
Mbe(TEXT("目录错误"));
return -1;
}
vector<LPTSTR> vFiles;
GetDirectoryFiles(szFolder,&vFiles,lstrlen(szFolder)+1);
string* prefix=GetPrefix((char*)szFolder);
key_info_t keys;
for (unsigned long i = 0; !GAME_INFO.keys[i].prefix.empty(); i++)
{
if (*prefix == GAME_INFO.keys[i].prefix)
{
keys = GAME_INFO.keys[i];
}
}
if (keys.prefix.empty())
{
Mbe(TEXT("请使用scr,mov等游戏目录中已存在的目录名"));
delete prefix;
FreeDirectoryFiles(&vFiles);
return -1;
}
bool is_audio = *prefix == "bgm" || *prefix == "se" || *prefix == "voice" || *prefix == "PMvoice";
bool is_mov = *prefix == "mov";
delete prefix;
int idxlen=4;
for(int i=0;i<vFiles.size();i++)
{
idxlen+=lstrlen(vFiles[i])+1+0x18;
}
if(is_mov)
idxlen+=256;
HANDLE hNewFile=CreateFile(szFileName,GENERIC_WRITE,FILE_SHARE_READ,0,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,0);
if(hNewFile==INVALID_HANDLE_VALUE)
{
Mbe(TEXT("无法访问封包文件！"));
FreeDirectoryFiles(&vFiles);
return -1;
}
BYTE mov_block[256];
memset(mov_block,0,256);
MyPazEnt* ents=new MyPazEnt[vFiles.size()];
MyPazEnt* pe=ents;
DWORD offset=((idxlen+7)&~7)+sizeof(PAZHDR);
CBlowFish bf;
string rootpath=szFolder;
rootpath+="\\";
for(int i=0;i<vFiles.size();i++)
{
pe->fn=vFiles[i];
HANDLE hf=CreateFile((rootpath+vFiles[i]).c_str(),GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0);
if(hf==INVALID_HANDLE_VALUE)
{
delete[] ents;
FreeDirectoryFiles(&vFiles);
sprintf(errmes,"无法访问%s！",vFiles[i]);
Mbe(errmes);
return -1;
}
DWORD fsize=GetFileSize(hf,0);
pe->comprlen=fsize;
pe->uncomprlen=fsize;
pe->decryptlen=(fsize+7)&~7;
pe->unk=0;
pe->iscompr=0;
pe->offset=offset;
offset+=pe->decryptlen;
BYTE* buf=new BYTE[pe->decryptlen];
memset(buf+pe->decryptlen-8,0,8);
ReadFile(hf,buf,fsize,&temp,0);
string* seed=MakeSeed(pe);
if(is_mov)
{
if(seed==NULL)
{
delete[] buf;
delete[] ents;
FreeDirectoryFiles(&vFiles);
Mbe(TEXT("视频格式错误！"));
return -1;
}
decrypt_mov(mov_block,*seed,buf,pe->decryptlen);
delete seed;
}
else
{
if(seed!=NULL)
{
unobfuscate3(*seed,buf,pe->decryptlen);
delete seed;
}
bf.Initialize(keys.dat_key,sizeof(keys.dat_key));
bf.Encode(buf,buf,pe->decryptlen);
}
SetFilePointer(hNewFile,pe->offset,0,FILE_BEGIN);
WriteFile(hNewFile,buf,pe->decryptlen,&temp,0);
delete[] buf;
CloseHandle(hf);
pe++;
}
PAZHDR hdr;
strcpy((char*)&hdr,"mashiroiro");
hdr.toc_len=(idxlen+7)&~7;
SetFilePointer(hNewFile,0,0,FILE_BEGIN);
WriteFile(hNewFile,&hdr,sizeof(hdr),&temp,0);
BYTE* idxbuff=new BYTE[idxlen];
BYTE* p=idxbuff;
*(DWORD*)p=vFiles.size();
p+=4;
if(is_mov)
{
memset(p,0,256);
p+=256;
}
pe=ents;
for(int i=0;i<vFiles.size();i++)
{
strcpy((char*)p,pe->fn);
p+=strlen(pe->fn)+1;
memcpy(p,&(pe->offset),0x18);
p+=0x18;
pe++;
}
//bf.Initialize(keys.toc_key,sizeof(keys.toc_key));
//bf.Encode(idxbuff,idxbuff,hdr.toc_len);
WriteFile(hNewFile,idxbuff,idxlen,&temp,0);
CloseHandle(hNewFile);
delete[] idxbuff;
delete[] ents;
FreeDirectoryFiles(&vFiles);
return 0;
}
