teraterm/teraterm/filesys.cpp

/*
 * Copyright (C) 1994-1998 T. Teranishi
 * (C) 2005-2020 TeraTerm Project
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/* TERATERM.EXE, file transfer routines */
#include <stdio.h>
#include <io.h>
#include <process.h>
#include <windows.h>
#include <htmlhelp.h>
#include <assert.h>

#include "teraterm.h"
#include "tttypes.h"
#include "ttftypes.h"
#include "ftdlg.h"
#include "protodlg.h"
#include "ttwinman.h"
#include "commlib.h"
#include "ttcommon.h"
#include "ttdde.h"
#include "ttlib.h"
#include "dlglib.h"
#include "vtterm.h"
#include "win16api.h"
#include "ftlib.h"
#include "buffer.h"
#include "helpid.h"
#include "layer_for_unicode.h"
#include "layer_for_unicode_crt.h"
#include "codeconv.h"

#include "filesys_log_res.h"

#include "filesys.h"

#define FS_BRACKET_NONE  0
#define FS_BRACKET_START 1
#define FS_BRACKET_END   2

PFileVar SendVar = NULL;
PFileVar FileVar = NULL;
static PCHAR ProtoVar = NULL;
static int ProtoId;

static BOOL FileRetrySend, FileRetryEcho, FileCRSend, FileReadEOF, BinaryMode;
static BYTE FileByte;

#define FILE_SEND_BUF_SIZE  8192
struct FileSendHandler {
        CHAR buf[FILE_SEND_BUF_SIZE];
        int pos;
        int end;
};
static struct FileSendHandler FileSendHandler;
static int FileDlgRefresh;

static int FileBracketMode = FS_BRACKET_NONE;
static int FileBracketPtr = 0;
static char BracketStartStr[] = "\033[200~";
static char BracketEndStr[] = "\033[201~";

static BOOL FSend = FALSE;

static HMODULE HTTFILE = NULL;
static int TTFILECount = 0;

PGetSetupFname GetSetupFname;
static PGetTransFname GetTransFname;
PGetMultiFname GetMultiFname;
PGetGetFname GetGetFname;
PSetFileVar SetFileVar;
PGetXFname GetXFname;
PProtoInit ProtoInit;
static PProtoParse ProtoParse;
PProtoTimeOutProc ProtoTimeOutProc;
PProtoCancel ProtoCancel;
PTTFILESetUILanguageFile TTFILESetUILanguageFile;
PTTFILESetFileSendFilter TTFILESetFileSendFilter;

#define IdGetSetupFname  1
#define IdGetTransFname  2
#define IdGetMultiFname  3
#define IdGetGetFname    4
#define IdSetFileVar     5
#define IdGetXFname      6

#define IdProtoInit      7
#define IdProtoParse     8
#define IdProtoTimeOutProc 9
#define IdProtoCancel    10

#define IdTTFILESetUILanguageFile 11
#define IdTTFILESetFileSendFilter 12

BOOL LoadTTFILE(void)
{
        BOOL Err;

        if (HTTFILE != NULL)
        {
                TTFILECount++;
                return TRUE;
        }
        else
                TTFILECount = 0;

        HTTFILE = LoadHomeDLL("TTPFILE.DLL");
        if (HTTFILE == NULL)
                return FALSE;

        Err = FALSE;

        GetSetupFname = (PGetSetupFname)GetProcAddress(HTTFILE,
                                                       MAKEINTRESOURCE(IdGetSetupFname));
        if (GetSetupFname==NULL)
                Err = TRUE;

        GetTransFname = (PGetTransFname)GetProcAddress(HTTFILE,
                                                       MAKEINTRESOURCE(IdGetTransFname));
        if (GetTransFname==NULL)
                Err = TRUE;

        GetMultiFname = (PGetMultiFname)GetProcAddress(HTTFILE,
                                                       MAKEINTRESOURCE(IdGetMultiFname));
        if (GetMultiFname==NULL)
                Err = TRUE;

        GetGetFname = (PGetGetFname)GetProcAddress(HTTFILE,
                                                   MAKEINTRESOURCE(IdGetGetFname));
        if (GetGetFname==NULL)
                Err = TRUE;

        SetFileVar = (PSetFileVar)GetProcAddress(HTTFILE,
                                                 MAKEINTRESOURCE(IdSetFileVar));
        if (SetFileVar==NULL)
                Err = TRUE;

        GetXFname = (PGetXFname)GetProcAddress(HTTFILE,
                                               MAKEINTRESOURCE(IdGetXFname));
        if (GetXFname==NULL)
                Err = TRUE;

        ProtoInit = (PProtoInit)GetProcAddress(HTTFILE,
                                               MAKEINTRESOURCE(IdProtoInit));
        if (ProtoInit==NULL)
                Err = TRUE;

        ProtoParse = (PProtoParse)GetProcAddress(HTTFILE,
                                                 MAKEINTRESOURCE(IdProtoParse));
        if (ProtoParse==NULL)
                Err = TRUE;

        ProtoTimeOutProc = (PProtoTimeOutProc)GetProcAddress(HTTFILE,
                                                             MAKEINTRESOURCE(IdProtoTimeOutProc));
        if (ProtoTimeOutProc==NULL)
                Err = TRUE;

        ProtoCancel = (PProtoCancel)GetProcAddress(HTTFILE,
                                                   MAKEINTRESOURCE(IdProtoCancel));
        if (ProtoCancel==NULL)
                Err = TRUE;

        TTFILESetUILanguageFile = (PTTFILESetUILanguageFile)GetProcAddress(HTTFILE,
                                                                           MAKEINTRESOURCE(IdTTFILESetUILanguageFile));
        if (TTFILESetUILanguageFile==NULL) {
                Err = TRUE;
        }
        else {
                TTFILESetUILanguageFile(ts.UILanguageFile);
        }

        TTFILESetFileSendFilter = (PTTFILESetFileSendFilter)GetProcAddress(HTTFILE,
                                                                           MAKEINTRESOURCE(IdTTFILESetFileSendFilter));
        if (TTFILESetFileSendFilter==NULL) {
                Err = TRUE;
        }
        else {
                TTFILESetFileSendFilter(ts.FileSendFilter);
        }

        if (Err)
        {
                FreeLibrary(HTTFILE);
                HTTFILE = NULL;
                return FALSE;
        }
        else {
                TTFILECount = 1;
                return TRUE;
        }
}

BOOL FreeTTFILE(void)
{
        if (TTFILECount==0)
                return FALSE;
        TTFILECount--;
        if (TTFILECount>0)
                return TRUE;
        if (HTTFILE!=NULL)
        {
                FreeLibrary(HTTFILE);
                HTTFILE = NULL;
        }
        return TRUE;
}

static PFileTransDlg SendDlg = NULL;
static PProtoDlg PtDlg = NULL;

static BOOL OpenFTDlg(PFileVar fv)
{
        PFileTransDlg FTDlg;

        FTDlg = new CFileTransDlg();

        fv->StartTime = 0;
        fv->ProgStat = 0;
        cv.FilePause &= ~fv->OpId;

        if (FTDlg!=NULL)
        {
                FTDlg->Create(hInst, HVTWin, fv, &cv, &ts);
                FTDlg->RefreshNum(fv);
        }

        SendDlg = FTDlg; /* File send */

        fv->StartTime = GetTickCount();

        return (FTDlg!=NULL);
}

static void ShowFTDlg(WORD OpId)
{
        if (SendDlg != NULL) {
                SendDlg->ShowWindow(SW_SHOWNORMAL);
                SetForegroundWindow(SendDlg->GetSafeHwnd());
        }
}

BOOL NewFileVar(PFileVar *fv)
{
        if ((*fv)==NULL)
        {
                *fv = (PFileVar)malloc(sizeof(TFileVar));
                if ((*fv)!=NULL)
                {
                        char FileDirExpanded[MAX_PATH];
                        ExpandEnvironmentStrings(ts.FileDir, FileDirExpanded, sizeof(FileDirExpanded));
                        memset(*fv, 0, sizeof(TFileVar));
                        strncpy_s((*fv)->FullName, sizeof((*fv)->FullName), FileDirExpanded, _TRUNCATE);
                        AppendSlash((*fv)->FullName,sizeof((*fv)->FullName));
                        (*fv)->DirLen = strlen((*fv)->FullName);
                        (*fv)->FileOpen = FALSE;
                        (*fv)->OverWrite = ((ts.FTFlag & FT_RENAME) == 0);
                        (*fv)->HMainWin = HVTWin;
                        (*fv)->Success = FALSE;
                        (*fv)->NoMsg = FALSE;
                        (*fv)->HideDialog = FALSE;
                }
        }

        return ((*fv)!=NULL);
}

void FreeFileVar(PFileVar *fv)
{
        if ((*fv)!=NULL)
        {
                if ((*fv)->FileOpen) CloseHandle((*fv)->FileHandle);
                if ((*fv)->FnStrMemHandle != 0)
                {
                        GlobalUnlock((*fv)->FnStrMemHandle);
                        GlobalFree((*fv)->FnStrMemHandle);
                }
                free(*fv);
                *fv = NULL;
        }
}

void FileSendStart(void)
{
        LONG Option = 0;

        if (! cv.Ready || FSend) return;
        if (cv.ProtoFlag)
        {
                FreeFileVar(&SendVar);
                return;
        }

        if (! LoadTTFILE())
                return;
        if (! NewFileVar(&SendVar))
        {
                FreeTTFILE();
                return;
        }
        SendVar->OpId = OpSendFile;

        FSend = TRUE;

        if (strlen(&(SendVar->FullName[SendVar->DirLen])) == 0) {
                char FileDirExpanded[MAX_PATH];
                ExpandEnvironmentStrings(ts.FileDir, FileDirExpanded, sizeof(FileDirExpanded));
                if (ts.TransBin)
                        Option |= LOGDLG_BINARY;
                SendVar->FullName[0] = 0;
                if (! (*GetTransFname)(SendVar, FileDirExpanded, GTF_SEND, &Option)) {
                        FileTransEnd(OpSendFile);
                        return;
                }
                ts.TransBin = CheckFlag(Option, LOGDLG_BINARY);
        }
        else
                (*SetFileVar)(SendVar);

        SendVar->FileHandle = CreateFile(SendVar->FullName, GENERIC_READ, FILE_SHARE_READ, NULL,
                                         OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL);
        SendVar->FileOpen = (SendVar->FileHandle != INVALID_HANDLE_VALUE);
        if (! SendVar->FileOpen)
        {
                FileTransEnd(OpSendFile);
                return;
        }
        SendVar->ByteCount = 0;
        SendVar->FileSize = GetFSize(SendVar->FullName);

        TalkStatus = IdTalkFile;
        FileRetrySend = FALSE;
        FileRetryEcho = FALSE;
        FileCRSend = FALSE;
        FileReadEOF = FALSE;
        FileSendHandler.pos = 0;
        FileSendHandler.end = 0;
        FileDlgRefresh = 0;

        if (BracketedPasteMode()) {
                FileBracketMode = FS_BRACKET_START;
                FileBracketPtr = 0;
                BinaryMode = TRUE;
        }
        else {
                FileBracketMode = FS_BRACKET_NONE;
                BinaryMode = ts.TransBin;
        }

        if (! OpenFTDlg(SendVar))
                FileTransEnd(OpSendFile);
}

void FileTransEnd(WORD OpId)
/* OpId = 0: close Log and FileSend
      OpLog: close Log
 OpSendFile: close FileSend */
{
        if ((OpId==0) || (OpId==OpLog)) {
                if (FLogIsOpend()) {
                        FLogClose();
                }
        }

        if (((OpId==0) || (OpId==OpSendFile)) && FSend)
        {
                FSend = FALSE;
                TalkStatus = IdTalkKeyb;
                if (SendDlg!=NULL)
                {
                        SendDlg->DestroyWindow();
                        SendDlg = NULL;
                }
                FreeFileVar(&SendVar);
                FreeTTFILE();
        }

        EndDdeCmnd(0);
}

void FileTransPause(WORD OpId, BOOL Pause)
{
        if (Pause) {
                cv.FilePause |= OpId;
        }
        else {
                cv.FilePause &= ~OpId;
        }
}

int FSOut1(BYTE b)
{
        if (BinaryMode)
                return CommBinaryOut(&cv,(PCHAR)&b,1);
        else if ((b>=0x20) || (b==0x09) || (b==0x0A) || (b==0x0D))
                return CommTextOut(&cv,(PCHAR)&b,1);
        else
                return 1;
}

int FSEcho1(BYTE b)
{
        if (BinaryMode)
                return CommBinaryEcho(&cv,(PCHAR)&b,1);
        else
                return CommTextEcho(&cv,(PCHAR)&b,1);
}

// �������������������������g��
// - BinaryMode == true
// - FileBracketMode == false
// - cv.TelFlag == false
// - ts.LocalEcho == 0
static void FileSendBinayBoost(void)
{
        WORD c, fc;
        LONG BCOld;
        DWORD read_bytes;

        if ((SendDlg == NULL) ||
                ((cv.FilePause & OpSendFile) != 0))
                return;

        BCOld = SendVar->ByteCount;

        if (FileRetrySend)
        {
                c = CommRawOut(&cv, &(FileSendHandler.buf[FileSendHandler.pos]),
                        FileSendHandler.end - FileSendHandler.pos);
                FileSendHandler.pos += c;
                FileRetrySend = (FileSendHandler.end != FileSendHandler.pos);
                if (FileRetrySend)
                        return;
        }

        do {
                if (FileSendHandler.pos == FileSendHandler.end) {
                        ReadFile(SendVar->FileHandle, &(FileSendHandler.buf[0]), sizeof(FileSendHandler.buf), &read_bytes, NULL);
                        fc = LOWORD(read_bytes);
                        FileSendHandler.pos = 0;
                        FileSendHandler.end = fc;
                } else {
                        fc = FileSendHandler.end - FileSendHandler.end;
                }

                if (fc != 0)
                {
                        c = CommRawOut(&cv, &(FileSendHandler.buf[FileSendHandler.pos]),
                                FileSendHandler.end - FileSendHandler.pos);
                        FileSendHandler.pos += c;
                        FileRetrySend = (FileSendHandler.end != FileSendHandler.pos);
                        SendVar->ByteCount = SendVar->ByteCount + c;
                        if (FileRetrySend)
                        {
                                if (SendVar->ByteCount != BCOld)
                                        SendDlg->RefreshNum(SendVar);
                                return;
                        }
                }
                FileDlgRefresh = SendVar->ByteCount;
                SendDlg->RefreshNum(SendVar);
                BCOld = SendVar->ByteCount;
                if (fc != 0)
                        return;
        } while (fc != 0);

        FileTransEnd(OpSendFile);
}

void FileSend(void)
{
        WORD c, fc;
        LONG BCOld;
        DWORD read_bytes;

        if (cv.PortType == IdSerial && ts.FileSendHighSpeedMode &&
            BinaryMode && !FileBracketMode && !cv.TelFlag &&
            (ts.LocalEcho == 0) && (ts.Baud >= 115200)) {
                return FileSendBinayBoost();
        }

        if ((SendDlg==NULL) ||
            ((cv.FilePause & OpSendFile) !=0))
                return;

        BCOld = SendVar->ByteCount;

        if (FileRetrySend)
        {
                FileRetryEcho = (ts.LocalEcho>0);
                c = FSOut1(FileByte);
                FileRetrySend = (c==0);
                if (FileRetrySend)
                        return;
        }

        if (FileRetryEcho)
        {
                c = FSEcho1(FileByte);
                FileRetryEcho = (c==0);
                if (FileRetryEcho)
                        return;
        }

        do {
                if (FileBracketMode == FS_BRACKET_START) {
                        FileByte = BracketStartStr[FileBracketPtr++];
                        fc = 1;

                        if (FileBracketPtr >= sizeof(BracketStartStr) - 1) {
                                FileBracketMode = FS_BRACKET_END;
                                FileBracketPtr = 0;
                                BinaryMode = ts.TransBin;
                        }
                }
                else if (! FileReadEOF) {
                        ReadFile(SendVar->FileHandle, &FileByte, 1, &read_bytes, NULL);
                        fc = LOWORD(read_bytes);
                        SendVar->ByteCount = SendVar->ByteCount + fc;

                        if (FileCRSend && (fc==1) && (FileByte==0x0A)) {
                                ReadFile(SendVar->FileHandle, &FileByte, 1, &read_bytes, NULL);
                                fc = LOWORD(read_bytes);
                                SendVar->ByteCount = SendVar->ByteCount + fc;
                        }
                }
                else {
                        fc = 0;
                }

                if (fc == 0 && FileBracketMode == FS_BRACKET_END) {
                        FileReadEOF = TRUE;
                        FileByte = BracketEndStr[FileBracketPtr++];
                        fc = 1;
                        BinaryMode = TRUE;

                        if (FileBracketPtr >= sizeof(BracketEndStr) - 1) {
                                FileBracketMode = FS_BRACKET_NONE;
                                FileBracketPtr = 0;
                        }
                }


                if (fc!=0)
                {
                        c = FSOut1(FileByte);
                        FileCRSend = (ts.TransBin==0) && (FileByte==0x0D);
                        FileRetrySend = (c==0);
                        if (FileRetrySend)
                        {
                                if (SendVar->ByteCount != BCOld)
                                        SendDlg->RefreshNum(SendVar);
                                return;
                        }
                        if (ts.LocalEcho>0)
                        {
                                c = FSEcho1(FileByte);
                                FileRetryEcho = (c==0);
                                if (FileRetryEcho)
                                        return;
                        }
                }
                if ((fc==0) || ((SendVar->ByteCount % 100 == 0) && (FileBracketPtr == 0))) {
                        SendDlg->RefreshNum(SendVar);
                        BCOld = SendVar->ByteCount;
                        if (fc!=0)
                                return;
                }
        } while (fc!=0);

        FileTransEnd(OpSendFile);
}

static BOOL OpenProtoDlg(PFileVar fv, int IdProto, int Mode, WORD Opt1, WORD Opt2)
{
        int vsize;
        PProtoDlg pd;

        ProtoId = IdProto;

        switch (ProtoId) {
                case PROTO_KMT:
                        vsize = sizeof(TKmtVar);
                        break;
                case PROTO_XM:
                        vsize = sizeof(TXVar);
                        break;
                case PROTO_YM:
                        vsize = sizeof(TYVar);
                        break;
                case PROTO_ZM:
                        vsize = sizeof(TZVar);
                        break;
                case PROTO_BP:
                        vsize = sizeof(TBPVar);
                        break;
                case PROTO_QV:
                        vsize = sizeof(TQVVar);
                        break;
                default:
                        vsize = 0;
                        assert(FALSE);
                        break;
        }
        ProtoVar = (PCHAR)malloc(vsize);
        if (ProtoVar==NULL)
                return FALSE;

        switch (ProtoId) {
                case PROTO_KMT:
                        ((PKmtVar)ProtoVar)->KmtMode = Mode;
                        break;
                case PROTO_XM:
                        ((PXVar)ProtoVar)->XMode = Mode;
                        ((PXVar)ProtoVar)->XOpt = Opt1;
                        ((PXVar)ProtoVar)->TextFlag = 1 - (Opt2 & 1);
                        break;
                case PROTO_YM:
                        ((PYVar)ProtoVar)->YMode = Mode;
                        ((PYVar)ProtoVar)->YOpt = Opt1;
                        break;
                case PROTO_ZM:
                        ((PZVar)ProtoVar)->BinFlag = (Opt1 & 1) != 0;
                        ((PZVar)ProtoVar)->ZMode = Mode;
                        break;
                case PROTO_BP:
                        ((PBPVar)ProtoVar)->BPMode = Mode;
                        break;
                case PROTO_QV:
                        ((PQVVar)ProtoVar)->QVMode = Mode;
                        break;
        }

        pd = new CProtoDlg();
        if (pd==NULL)
        {
                free(ProtoVar);
                ProtoVar = NULL;
                return FALSE;
        }
        CProtoDlgInfo info;
        info.UILanguageFile = ts.UILanguageFile;
        info.HMainWin = fv->HMainWin;
        pd->Create(hInst, HVTWin, &info);
        fv->HWin = pd->m_hWnd;

        (*ProtoInit)(ProtoId,FileVar,ProtoVar,&cv,&ts);

        PtDlg = pd;
        return TRUE;
}

static void CloseProtoDlg(void)
{
        if (PtDlg!=NULL)
        {
                PtDlg->DestroyWindow();
                PtDlg = NULL;

                ::KillTimer(FileVar->HMainWin,IdProtoTimer);
                if ((ProtoId==PROTO_QV) &&
                    (((PQVVar)ProtoVar)->QVMode==IdQVSend))
                        CommTextOut(&cv,"\015",1);
                if (FileVar->LogFlag)
                        CloseHandle(FileVar->LogFile);
                FileVar->LogFile = 0;
                if (ProtoVar!=NULL)
                {
                        free(ProtoVar);
                        ProtoVar = NULL;
                }
        }
}

static BOOL ProtoStart(void)
{
        if (cv.ProtoFlag)
                return FALSE;
        if (FSend)
        {
                FreeFileVar(&FileVar);
                return FALSE;
        }

        if (! LoadTTFILE())
                return FALSE;
        NewFileVar(&FileVar);

        if (FileVar==NULL)
        {
                FreeTTFILE();
                return FALSE;
        }
        cv.ProtoFlag = TRUE;
        return TRUE;
}

void ProtoEnd(void)
{
        if (! cv.ProtoFlag)
                return;
        cv.ProtoFlag = FALSE;

        /* Enable transmit delay (serial port) */
        cv.DelayFlag = TRUE;
        TalkStatus = IdTalkKeyb;

        CloseProtoDlg();

        if ((FileVar!=NULL) && FileVar->Success)
                EndDdeCmnd(1);
        else
                EndDdeCmnd(0);

        FreeTTFILE();
        FreeFileVar(&FileVar);
}

/**
 *      OnIdle()#teraterm.cpp�����R�[��������
 *              cv.ProtoFlag �� 0 ���O������
 *      @retval         0               continue
 *                              1/2             ActiveWin(�O���[�o������)���l(IdVT=1/IdTek=2)
 *                              �� ������������������������
 */
int ProtoDlgParse(void)
{
        int P;

        P = ActiveWin;
        if (PtDlg==NULL)
                return P;

        if ((*ProtoParse)(ProtoId,FileVar,ProtoVar,&cv))
                P = 0; /* continue */
        else {
                CommSend(&cv);
                ProtoEnd();
        }
        return P;
}

void ProtoDlgTimeOut(void)
{
        if (PtDlg!=NULL)
                (*ProtoTimeOutProc)(ProtoId,FileVar,ProtoVar,&cv);
}

void ProtoDlgCancel(void)
{
        if ((PtDlg!=NULL) &&
            (*ProtoCancel)(ProtoId,FileVar,ProtoVar,&cv))
                ProtoEnd();
}

void KermitStart(int mode)
{
        WORD w;

        if (! ProtoStart())
                return;

        switch (mode) {
                case IdKmtSend:
                        FileVar->OpId = OpKmtSend;
                        if (strlen(&(FileVar->FullName[FileVar->DirLen]))==0)
                        {
                                char FileDirExpanded[MAX_PATH];
                                ExpandEnvironmentStrings(ts.FileDir, FileDirExpanded, sizeof(FileDirExpanded));
                                if (!(*GetMultiFname)(FileVar, FileDirExpanded, GMF_KERMIT, &w) ||
                                    (FileVar->NumFname==0))
                                {
                                        ProtoEnd();
                                        return;
                                }
                        }
                        else
                                (*SetFileVar)(FileVar);
                        break;
                case IdKmtReceive:
                        FileVar->OpId = OpKmtRcv;
                        break;
                case IdKmtGet:
                        FileVar->OpId = OpKmtSend;
                        if (strlen(&(FileVar->FullName[FileVar->DirLen]))==0)
                        {
                                if (! (*GetGetFname)(FileVar->HMainWin,FileVar) ||
                                    (strlen(FileVar->FullName)==0))
                                {
                                        ProtoEnd();
                                        return;
                                }
                        }
                        else
                                (*SetFileVar)(FileVar);
                        break;
                case IdKmtFinish:
                        FileVar->OpId = OpKmtFin;
                        break;
                default:
                        ProtoEnd();
                        return;
        }
        TalkStatus = IdTalkQuiet;

        /* disable transmit delay (serial port) */
        cv.DelayFlag = FALSE;

        if (! OpenProtoDlg(FileVar,PROTO_KMT,mode,0,0))
                ProtoEnd();
}

void XMODEMStart(int mode)
{
        LONG Option;
        int tmp;

        if (! ProtoStart())
                return;

        if (mode==IdXReceive)
                FileVar->OpId = OpXRcv;
        else
                FileVar->OpId = OpXSend;

        if (strlen(&(FileVar->FullName[FileVar->DirLen]))==0)
        {
                char FileDirExpanded[MAX_PATH];
                ExpandEnvironmentStrings(ts.FileDir, FileDirExpanded, sizeof(FileDirExpanded));
                Option = MAKELONG(ts.XmodemBin,ts.XmodemOpt);
                if (! (*GetXFname)(FileVar->HMainWin,
                                   mode==IdXReceive,&Option,FileVar,FileDirExpanded))
                {
                        ProtoEnd();
                        return;
                }
                tmp = HIWORD(Option);
                if (mode == IdXReceive) {
                        if (IsXoptCRC(tmp)) {
                                if (IsXopt1k(ts.XmodemOpt)) {
                                        ts.XmodemOpt = Xopt1kCRC;
                                }
                                else {
                                        ts.XmodemOpt = XoptCRC;
                                }
                        }
                        else {
                                if (IsXopt1k(ts.XmodemOpt)) {
                                        ts.XmodemOpt = Xopt1kCksum;
                                }
                                else {
                                        ts.XmodemOpt = XoptCheck;
                                }
                        }
                        ts.XmodemBin = LOWORD(Option);
                }
                else {
                        if (IsXopt1k(tmp)) {
                                if (IsXoptCRC(ts.XmodemOpt)) {
                                        ts.XmodemOpt = Xopt1kCRC;
                                }
                                else {
                                        ts.XmodemOpt = Xopt1kCksum;
                                }
                        }
                        else {
                                if (IsXoptCRC(ts.XmodemOpt)) {
                                        ts.XmodemOpt = XoptCRC;
                                }
                                else {
                                        ts.XmodemOpt = XoptCheck;
                                }
                        }
                }
        }
        else
                (*SetFileVar)(FileVar);

        if (mode==IdXReceive)
                FileVar->FileHandle = _lcreat(FileVar->FullName,0);
        else
                FileVar->FileHandle = _lopen(FileVar->FullName,OF_READ);

        FileVar->FileOpen = FileVar->FileHandle != INVALID_HANDLE_VALUE;
        if (! FileVar->FileOpen)
        {
                ProtoEnd();
                return;
        }
        TalkStatus = IdTalkQuiet;

        /* disable transmit delay (serial port) */
        cv.DelayFlag = FALSE;

        if (! OpenProtoDlg(FileVar,PROTO_XM,mode,
                           ts.XmodemOpt,ts.XmodemBin))
                ProtoEnd();
}

void YMODEMStart(int mode)
{
        WORD Opt;

        if (! ProtoStart())
                return;

        if (mode==IdYSend)
        {
                char FileDirExpanded[MAX_PATH];
                ExpandEnvironmentStrings(ts.FileDir, FileDirExpanded, sizeof(FileDirExpanded));

                // �t�@�C���]�������I�v�V������"Yopt1K"�����������B
                // TODO: "Yopt1K", "YoptG", "YoptSingle"�������������������AIDD_FOPT���g�������K�v�����B
                Opt = Yopt1K;
                FileVar->OpId = OpYSend;
                if (strlen(&(FileVar->FullName[FileVar->DirLen]))==0)
                {
                        if (! (*GetMultiFname)(FileVar,FileDirExpanded,GMF_Y,&Opt) ||
                            (FileVar->NumFname==0))
                        {
                                ProtoEnd();
                                return;
                        }
                        //ts.XmodemBin = Opt;
                }
                else
                (*SetFileVar)(FileVar);
        }
        else {
                FileVar->OpId = OpYRcv;
                // �t�@�C���]�������I�v�V������"Yopt1K"�����������B
                Opt = Yopt1K;
                (*SetFileVar)(FileVar);
        }

        TalkStatus = IdTalkQuiet;

        /* disable transmit delay (serial port) */
        cv.DelayFlag = FALSE;

        if (! OpenProtoDlg(FileVar,PROTO_YM,mode,Opt,0))
                ProtoEnd();
}

void ZMODEMStart(int mode)
{
        WORD Opt;

        if (! ProtoStart())
                return;

        if (mode == IdZSend || mode == IdZAutoS)
        {
                Opt = ts.XmodemBin;
                FileVar->OpId = OpZSend;
                if (strlen(&(FileVar->FullName[FileVar->DirLen]))==0)
                {
                        char FileDirExpanded[MAX_PATH];
                        ExpandEnvironmentStrings(ts.FileDir, FileDirExpanded, sizeof(FileDirExpanded));
                        if (! (*GetMultiFname)(FileVar,FileDirExpanded,GMF_Z,&Opt) ||
                            (FileVar->NumFname==0))
                        {
                                if (mode == IdZAutoS) {
                                        CommRawOut(&cv, "\030\030\030\030\030\030\030\030\b\b\b\b\b\b\b\b\b\b", 18);
                                }
                                ProtoEnd();
                                return;
                        }
                        ts.XmodemBin = Opt;
                }
                else
                (*SetFileVar)(FileVar);
        }
        else /* IdZReceive or IdZAutoR */
                FileVar->OpId = OpZRcv;

        TalkStatus = IdTalkQuiet;

        /* disable transmit delay (serial port) */
        cv.DelayFlag = FALSE;

        if (! OpenProtoDlg(FileVar,PROTO_ZM,mode,Opt,0))
                ProtoEnd();
}

void BPStart(int mode)
{
        LONG Option = 0;

        if (! ProtoStart())
                return;
        if (mode==IdBPSend)
        {
                FileVar->OpId = OpBPSend;
                if (strlen(&(FileVar->FullName[FileVar->DirLen]))==0)
                {
                        char FileDirExpanded[MAX_PATH];
                        ExpandEnvironmentStrings(ts.FileDir, FileDirExpanded, sizeof(FileDirExpanded));
                        FileVar->FullName[0] = 0;
                        if (! (*GetTransFname)(FileVar, FileDirExpanded, GTF_BP, &Option))
                        {
                                ProtoEnd();
                                return;
                        }
                }
                else
                        (*SetFileVar)(FileVar);
        }
        else /* IdBPReceive or IdBPAuto */
                FileVar->OpId = OpBPRcv;

        TalkStatus = IdTalkQuiet;

        /* disable transmit delay (serial port) */
        cv.DelayFlag = FALSE;

        if (! OpenProtoDlg(FileVar,PROTO_BP,mode,0,0))
                ProtoEnd();
}

void QVStart(int mode)
{
        WORD W;

        if (! ProtoStart())
                return;

        if (mode==IdQVSend)
        {
                FileVar->OpId = OpQVSend;
                if (strlen(&(FileVar->FullName[FileVar->DirLen]))==0)
                {
                        char FileDirExpanded[MAX_PATH];
                        ExpandEnvironmentStrings(ts.FileDir, FileDirExpanded, sizeof(FileDirExpanded));
                        if (! (*GetMultiFname)(FileVar,FileDirExpanded,GMF_QV, &W) ||
                            (FileVar->NumFname==0))
                        {
                                ProtoEnd();
                                return;
                        }
                }
                else
                        (*SetFileVar)(FileVar);
        }
        else
                FileVar->OpId = OpQVRcv;

        TalkStatus = IdTalkQuiet;

        /* disable transmit delay (serial port) */
        cv.DelayFlag = FALSE;

        if (! OpenProtoDlg(FileVar,PROTO_QV,mode,0,0))
                ProtoEnd();
}


BOOL IsSendVarNULL()
{
        return SendVar == NULL;
}

BOOL IsFileVarNULL()
{
        return FileVar == NULL;
}