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connect.cpp
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connect.cpp
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/*=============================================================================
*
* ホストへの接続／切断
*
===============================================================================
/ Copyright (C) 1997-2007 Sota. 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.
/
/ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
/============================================================================*/
#include "common.h"
/*===== プロトタイプ =====*/
static int SendInitCommand(std::shared_ptr<SocketContext> Socket, std::wstring_view Cmd, int *CancelCheckWork);
static void AskUseFireWall(std::wstring_view Host, int *Fire, int *Pasv, int *List);
static void SaveCurrentSetToHistory(void);
static int ReConnectSkt(std::shared_ptr<SocketContext>& Skt);
static std::shared_ptr<SocketContext> DoConnect(HOSTDATA* HostData, std::wstring const& Host, std::wstring& User, std::wstring& Pass, std::wstring& Acct, int Port, int Fwall, int SavePass, int Security, int *CancelCheckWork);
static std::wstring CheckOneTimePassword(std::wstring&& pass, std::wstring const& reply, int Type);
/*===== 外部参照 =====*/
extern std::wstring TitleHostName;
static int Anonymous;
static int TryConnect = NO;
static std::shared_ptr<SocketContext> CmdCtrlSocket;
static std::shared_ptr<SocketContext> TrnCtrlSocket;
static HOSTDATA CurHost;
#if defined(HAVE_TANDEM)
static int Oss = NO; /* OSS ファイルシステムへアクセスしている場合は YES */
#endif
// 接続しているホストを返す
// TODO: GetConnectingHost()との違いがよくわからない
HOSTDATA const& GetCurHost() noexcept {
return CurHost;
}
// ＵＮＣ文字列を分解する
// "\"は全て"/"に置き換える
static bool SplitUNCpath(std::wstring&& unc, std::wstring& Host, std::wstring& Path, std::wstring& File, std::wstring& User, std::wstring& Pass, int& Port) {
static boost::wregex re{ LR"(^(?:([^:@]*)(?::([^@]*))?@)?(?:\[([^\]]*)\]|([^:/]*))(?::([0-9]*))?(.*?)([^/]*)$)" };
unc = ReplaceAll(std::move(unc), L'\\', L'/');
if (auto const pos = unc.find(L"//"sv); pos != std::wstring::npos)
unc.erase(0, pos + 2);
if (boost::wsmatch m; boost::regex_search(unc, m, re)) {
User = m[1];
Pass = m[2].matched ? m[2] : L""s;
Host = m[m[3].matched ? 3 : 4];
Port = m[5].matched ? std::stoi(m[5]) : IPPORT_FTP;
Path = m[6];
File = m[7];
return true;
}
Host = Path = File = User = Pass = L""s;
Port = IPPORT_FTP;
return false;
}
/*----- ホスト一覧を使ってホストへ接続 ----------------------------------------
*
* Parameter
* int Type : ダイアログのタイプ (DLG_TYPE_xxx)
* int Num : 接続するホスト番号(0～, -1=ダイアログを出す)
* Return Value
* なし
*----------------------------------------------------------------------------*/
void ConnectProc(int Type, int Num)
{
SaveBookMark();
SaveCurrentSetToHost();
if((Num >= 0) || (SelectHost(Type) == YES))
{
if(Num >= 0)
SetCurrentHost(Num);
/* 接続中なら切断する */
if (CmdCtrlSocket)
DisconnectProc();
Notice(IDS_SEPARATOR);
InitPWDcommand();
CopyHostFromList(AskCurrentHost(), &CurHost);
// UTF-8対応
CurHost.CurNameKanjiCode = CurHost.NameKanjiCode;
if (ConnectRas(CurHost.Dialup != NO, CurHost.DialupAlways != NO, CurHost.DialupNotify != NO, CurHost.DialEntry)) {
SetHostKanaCnvImm(CurHost.KanaCnv);
SetHostKanjiCodeImm(CurHost.KanjiCode);
SetSyncMoveMode(CurHost.SyncMove);
if (AskSaveSortToHost() == YES && CurHost.Sort != HostSort::NotSaved()) {
SetSortTypeImm(CurHost.Sort);
ReSortDispList(WIN_LOCAL, &CancelFlg);
}
int const Save = empty(CurHost.PassWord) ? NO : YES;
DisableUserOpe();
CmdCtrlSocket = DoConnect(&CurHost, CurHost.HostAdrs, CurHost.UserName, CurHost.PassWord, CurHost.Account, CurHost.Port, CurHost.FireWall, Save, CurHost.Security, &CancelFlg);
TrnCtrlSocket = CmdCtrlSocket;
if (CmdCtrlSocket) {
// 暗号化通信対応
switch(CurHost.CryptMode)
{
case CRYPT_NONE:
if(CurHost.UseFTPIS != NO || CurHost.UseSFTP != NO)
{
if(Dialog(GetFtpInst(), savecrypt_dlg, GetMainHwnd()))
SetHostEncryption(AskCurrentHost(), CurHost.UseNoEncryption, CurHost.UseFTPES, NO, NO);
}
break;
case CRYPT_FTPES:
if(CurHost.UseNoEncryption != NO || CurHost.UseFTPIS != NO || CurHost.UseSFTP != NO)
{
if(Dialog(GetFtpInst(), savecrypt_dlg, GetMainHwnd()))
SetHostEncryption(AskCurrentHost(), NO, CurHost.UseFTPES, NO, NO);
}
break;
case CRYPT_FTPIS:
if(CurHost.UseNoEncryption != NO || CurHost.UseFTPES != NO || CurHost.UseSFTP != NO)
{
if(Dialog(GetFtpInst(), savecrypt_dlg, GetMainHwnd()))
SetHostEncryption(AskCurrentHost(), NO, NO, CurHost.UseFTPIS, NO);
}
break;
case CRYPT_SFTP:
if(CurHost.UseNoEncryption != NO || CurHost.UseFTPES != NO || CurHost.UseFTPIS != NO)
{
if(Dialog(GetFtpInst(), savecrypt_dlg, GetMainHwnd()))
SetHostEncryption(AskCurrentHost(), NO, NO, NO, CurHost.UseSFTP);
}
break;
}
TitleHostName = CurHost.HostName;
DispWindowTitle();
UpdateStatusBar();
Sound::Connected.Play();
SendInitCommand(CmdCtrlSocket, CurHost.InitCmd, &CancelFlg);
if (!empty(CurHost.LocalInitDir)) {
DoLocalCWD(CurHost.LocalInitDir);
GetLocalDirForWnd();
}
InitTransCurDir();
DoCWD(CurHost.RemoteInitDir, YES, YES, YES);
LoadBookMark();
GetRemoteDirForWnd(CACHE_NORMAL, &CancelFlg);
}
else
Sound::Error.Play();
EnableUserOpe();
}
else
Notice(IDS_MSGJPN001);
}
return;
}
// ホスト名を入力してホストへ接続
void QuickConnectProc() {
struct QuickCon {
using result_t = bool;
std::wstring hostname;
std::wstring username;
std::wstring password;
bool firewall = false;
bool passive = false;
INT_PTR OnInit(HWND hDlg) noexcept {
SendDlgItemMessageW(hDlg, QHOST_HOST, CB_LIMITTEXT, FMAX_PATH, 0);
SetText(hDlg, QHOST_HOST, L"");
SendDlgItemMessageW(hDlg, QHOST_USER, EM_LIMITTEXT, USER_NAME_LEN, 0);
if (QuickAnonymous == YES) {
SetText(hDlg, QHOST_USER, L"anonymous");
SetText(hDlg, QHOST_PASS, UserMailAdrs);
} else {
SetText(hDlg, QHOST_USER, L"");
SetText(hDlg, QHOST_PASS, L"");
}
SendDlgItemMessageW(hDlg, QHOST_PASS, EM_LIMITTEXT, PASSWORD_LEN, 0);
SendDlgItemMessageW(hDlg, QHOST_FWALL, BM_SETCHECK, FwallDefault, 0);
SendDlgItemMessageW(hDlg, QHOST_PASV, BM_SETCHECK, PasvDefault, 0);
for (auto const& Tmp : GetHistories())
SendDlgItemMessageW(hDlg, QHOST_HOST, CB_ADDSTRING, 0, (LPARAM)Tmp.HostAdrs.c_str());
return TRUE;
}
void OnCommand(HWND hDlg, WORD id) {
switch (id) {
case IDOK:
hostname = GetText(hDlg, QHOST_HOST);
username = GetText(hDlg, QHOST_USER);
password = GetText(hDlg, QHOST_PASS);
firewall = SendDlgItemMessageW(hDlg, QHOST_FWALL, BM_GETCHECK, 0, 0) == BST_CHECKED;
passive = SendDlgItemMessageW(hDlg, QHOST_PASV, BM_GETCHECK, 0, 0) == BST_CHECKED;
EndDialog(hDlg, true);
break;
case IDCANCEL:
EndDialog(hDlg, false);
break;
}
}
};
SaveBookMark();
SaveCurrentSetToHost();
if (QuickCon qc; Dialog(GetFtpInst(), hostname_dlg, GetMainHwnd(), qc)) {
/* 接続中なら切断する */
if (CmdCtrlSocket)
DisconnectProc();
Notice(IDS_SEPARATOR);
InitPWDcommand();
CopyDefaultHost(&CurHost);
// UTF-8対応
CurHost.CurNameKanjiCode = CurHost.NameKanjiCode;
std::wstring File;
if (SplitUNCpath(std::move(qc.hostname), CurHost.HostAdrs, CurHost.RemoteInitDir, File, CurHost.UserName, CurHost.PassWord, CurHost.Port)) {
if (empty(CurHost.UserName)) {
CurHost.UserName = qc.username;
CurHost.PassWord = qc.password;
}
SetCurrentHost(HOSTNUM_NOENTRY);
AskUseFireWall(CurHost.HostAdrs, &CurHost.FireWall, &CurHost.Pasv, &CurHost.ListCmdOnly);
CurHost.FireWall = qc.firewall ? 1 : 0;
CurHost.Pasv = qc.passive ? 1 : 0;
SetHostKanaCnvImm(CurHost.KanaCnv);
SetHostKanjiCodeImm(CurHost.KanjiCode);
SetSyncMoveMode(CurHost.SyncMove);
DisableUserOpe();
CmdCtrlSocket = DoConnect(&CurHost, CurHost.HostAdrs, CurHost.UserName, CurHost.PassWord, CurHost.Account, CurHost.Port, CurHost.FireWall, NO, CurHost.Security, &CancelFlg);
TrnCtrlSocket = CmdCtrlSocket;
if (CmdCtrlSocket) {
TitleHostName = CurHost.HostAdrs;
DispWindowTitle();
UpdateStatusBar();
Sound::Connected.Play();
InitTransCurDir();
DoCWD(CurHost.RemoteInitDir, YES, YES, YES);
GetRemoteDirForWnd(CACHE_NORMAL, &CancelFlg);
EnableUserOpe();
if (!empty(File))
DirectDownloadProc(File);
} else {
Sound::Error.Play();
EnableUserOpe();
}
}
}
}
/*----- 指定したホスト名でホストへ接続 ----------------------------------------
*
* Parameter
* char *unc : UNC文字列
* int Kanji : ホストの漢字コード (KANJI_xxx)
* int Kana : 半角かな→全角変換モード (YES/NO)
* int Fkanji : ファイル名の漢字コード (KANJI_xxx)
* int TrMode : 転送モード (TYPE_xx)
*
* Return Value
* なし
*----------------------------------------------------------------------------*/
void DirectConnectProc(std::wstring&& unc, int Kanji, int Kana, int Fkanji, int TrMode)
{
std::wstring Host;
std::wstring Path;
std::wstring File;
std::wstring User;
std::wstring Pass;
int Port;
SaveBookMark();
SaveCurrentSetToHost();
/* 接続中なら切断する */
if (CmdCtrlSocket)
DisconnectProc();
Notice(IDS_SEPARATOR);
InitPWDcommand();
if (SplitUNCpath(std::move(unc), Host, Path, File, User, Pass, Port)) {
if (empty(User)) {
User = L"anonymous"s;
Pass = UserMailAdrs;
}
CopyDefaultHost(&CurHost);
SetCurrentHost(HOSTNUM_NOENTRY);
CurHost.HostAdrs = std::move(Host);
CurHost.UserName = std::move(User);
CurHost.PassWord = std::move(Pass);
CurHost.RemoteInitDir = std::move(Path);
AskUseFireWall(CurHost.HostAdrs, &CurHost.FireWall, &CurHost.Pasv, &CurHost.ListCmdOnly);
CurHost.Port = Port;
CurHost.KanjiCode = Kanji;
CurHost.KanaCnv = Kana;
CurHost.NameKanjiCode = Fkanji;
CurHost.KanaCnv = YES; /* とりあえず */
// UTF-8対応
CurHost.CurNameKanjiCode = CurHost.NameKanjiCode;
SetHostKanaCnvImm(CurHost.KanaCnv);
SetHostKanjiCodeImm(CurHost.KanjiCode);
SetSyncMoveMode(CurHost.SyncMove);
if(TrMode != TYPE_DEFAULT)
{
SetTransferTypeImm(TrMode);
DispTransferType();
}
DisableUserOpe();
CmdCtrlSocket = DoConnect(&CurHost, CurHost.HostAdrs, CurHost.UserName, CurHost.PassWord, CurHost.Account, CurHost.Port, CurHost.FireWall, NO, CurHost.Security, &CancelFlg);
TrnCtrlSocket = CmdCtrlSocket;
if (CmdCtrlSocket) {
TitleHostName = CurHost.HostAdrs;
DispWindowTitle();
UpdateStatusBar();
Sound::Connected.Play();
InitTransCurDir();
DoCWD(CurHost.RemoteInitDir, YES, YES, YES);
GetRemoteDirForWnd(CACHE_NORMAL, &CancelFlg);
EnableUserOpe();
if (!empty(File))
DirectDownloadProc(File);
else
ResetAutoExitFlg();
}
else
{
Sound::Error.Play();
EnableUserOpe();
}
}
return;
}
/*----- ホストのヒストリで指定されたホストへ接続 ------------------------------
*
* Parameter
* int MenuCmd : 取り出すヒストリに割り当てられたメニューコマンド
*
* Return Value
* なし
*----------------------------------------------------------------------------*/
void HistoryConnectProc(int MenuCmd)
{
if (auto history = GetHistoryByCmd(MenuCmd)) {
SaveBookMark();
SaveCurrentSetToHost();
/* 接続中なら切断する */
if (CmdCtrlSocket)
DisconnectProc();
Notice(IDS_SEPARATOR);
InitPWDcommand();
CurHost = *history;
// UTF-8対応
CurHost.CurNameKanjiCode = CurHost.NameKanjiCode;
if (ConnectRas(CurHost.Dialup != NO, CurHost.DialupAlways != NO, CurHost.DialupNotify != NO, CurHost.DialEntry)) {
SetCurrentHost(HOSTNUM_NOENTRY);
SetHostKanaCnvImm(CurHost.KanaCnv);
SetHostKanjiCodeImm(CurHost.KanjiCode);
SetSyncMoveMode(CurHost.SyncMove);
SetSortTypeImm(CurHost.Sort);
ReSortDispList(WIN_LOCAL, &CancelFlg);
SetTransferTypeImm(history->Type);
DispTransferType();
DisableUserOpe();
CmdCtrlSocket = DoConnect(&CurHost, CurHost.HostAdrs, CurHost.UserName, CurHost.PassWord, CurHost.Account, CurHost.Port, CurHost.FireWall, NO, CurHost.Security, &CancelFlg);
TrnCtrlSocket = CmdCtrlSocket;
if (CmdCtrlSocket) {
TitleHostName = CurHost.HostAdrs;
DispWindowTitle();
UpdateStatusBar();
Sound::Connected.Play();
SendInitCommand(CmdCtrlSocket, CurHost.InitCmd, &CancelFlg);
DoLocalCWD(CurHost.LocalInitDir);
GetLocalDirForWnd();
InitTransCurDir();
DoCWD(CurHost.RemoteInitDir, YES, YES, YES);
GetRemoteDirForWnd(CACHE_NORMAL, &CancelFlg);
}
else
Sound::Error.Play();
EnableUserOpe();
}
else
Notice(IDS_MSGJPN002);
}
else
Sound::Error.Play();
return;
}
// ホストの初期化コマンドを送る
// 初期化コマンドは以下のようなフォーマットであること
// cmd1\0
// cmd1\r\ncmd2\r\n\0
static int SendInitCommand(std::shared_ptr<SocketContext> Socket, std::wstring_view Cmd, int* CancelCheckWork) {
static boost::wregex re{ LR"([^\r\n]+)" };
for (boost::regex_iterator<std::wstring_view::const_iterator> it{ begin(Cmd), end(Cmd), re }, end; it != end; ++it)
DoQUOTE(Socket, sv((*it)[0]), CancelCheckWork);
return 0;
}
/*----- 指定のホストはFireWallを使う設定かどうかを返す ------------------------
*
* Parameter
* char *Hots : ホスト名
* int *Fire : FireWallを使うかどうかを返すワーク
* int *Pasv : PASVモードを返すワーク
* int *List : LISTコマンドのみ使用フラグ
*
* Return Value
* なし
*----------------------------------------------------------------------------*/
static void AskUseFireWall(std::wstring_view Host, int *Fire, int *Pasv, int *List)
{
int i;
HOSTDATA Tmp;
*Fire = FwallDefault;
*Pasv = PasvDefault;
// NLSTを送ってしまうバグ修正（ただしNLSTを使うべきホストへクイック接続できなくなる）
// *List = NO;
i = 0;
while(CopyHostFromList(i, &Tmp) == FFFTP_SUCCESS)
{
if (Host == Tmp.HostAdrs) {
*Fire = Tmp.FireWall;
*Pasv = Tmp.Pasv;
*List = Tmp.ListCmdOnly;
break;
}
i++;
}
return;
}
// 接続しているホストのホストタイプを返す
int AskHostType() {
#if defined(HAVE_TANDEM)
/* OSS ファイルシステムは UNIX ファイルシステムと同じでいいので AUTO を返す
ただし、Guardian ファイルシステムに戻ったときにおかしくならないように
CurHost.HostType 変数は更新しない */
if (CurHost.HostType == HTYPE_TANDEM && Oss == YES)
return HTYPE_AUTO;
#endif
return GetConnectingHost().HostType;
}
// 接続しているホストでフルパスでファイルアクセスしないかどうかを返す
int AskNoFullPathMode() noexcept {
if(CurHost.HostType == HTYPE_VMS)
return(YES);
else
return(CurHost.NoFullPath);
}
// 現在の設定をホストの設定にセットする
// カレントディレクトリ、ソート方法をホストの設定にセットする
void SaveCurrentSetToHost() {
if (TrnCtrlSocket && AskCurrentHost() != HOSTNUM_NOENTRY) {
if (GetConnectingHost().LastDir == YES)
SetHostDir(AskCurrentHost(), AskLocalCurDir().native(), AskRemoteCurDir());
SetHostSort(AskCurrentHost(), AskSortType());
}
}
/*----- 現在の設定をヒストリにセットする --------------------------------------
*
* Parameter
* なし
*
* Return Value
* なし
*----------------------------------------------------------------------------*/
static void SaveCurrentSetToHistory(void)
{
CurHost.LocalInitDir = AskLocalCurDir();
CurHost.RemoteInitDir = AskRemoteCurDir();
CurHost.Sort = AskSortType();
CurHost.KanjiCode = AskHostKanjiCode();
CurHost.KanaCnv = AskHostKanaCnv();
CurHost.SyncMove = AskSyncMoveMode();
AddHostToHistory(CurHost);
SetAllHistoryToMenu();
return;
}
// コマンドコントロールソケットの再接続
int ReConnectCmdSkt() {
int result;
if (AskShareProh() == YES && AskTransferNow() == YES) {
SktShareProh();
result = FFFTP_SUCCESS;
} else {
if (CmdCtrlSocket == TrnCtrlSocket)
TrnCtrlSocket.reset();
result = ReConnectSkt(CmdCtrlSocket);
}
if (!TrnCtrlSocket)
TrnCtrlSocket = CmdCtrlSocket;
return result;
}
// 転送コントロールソケットの再接続
int ReConnectTrnSkt(std::shared_ptr<SocketContext>& Skt, int *CancelCheckWork) {
// char Path[FMAX_PATH+1];
int Sts;
// 暗号化通信対応
HOSTDATA HostData;
Sts = FFFTP_FAIL;
Notice(IDS_MSGJPN003);
// DisableUserOpe();
HostData = CurHost;
if(HostData.CryptMode != CRYPT_NONE)
HostData.UseNoEncryption = NO;
if(HostData.CryptMode != CRYPT_FTPES)
HostData.UseFTPES = NO;
if(HostData.CryptMode != CRYPT_FTPIS)
HostData.UseFTPIS = NO;
if(HostData.CryptMode != CRYPT_SFTP)
HostData.UseSFTP = NO;
// UTF-8対応
HostData.CurNameKanjiCode = HostData.NameKanjiCode;
// 同時接続対応
HostData.NoDisplayUI = YES;
if (Skt = DoConnect(&HostData, CurHost.HostAdrs, CurHost.UserName, CurHost.PassWord, CurHost.Account, CurHost.Port, CurHost.FireWall, NO, CurHost.Security, CancelCheckWork)) {
SendInitCommand(Skt, CurHost.InitCmd, CancelCheckWork);
Sts = FFFTP_SUCCESS;
}
else
Sound::Error.Play();
// EnableUserOpe();
return(Sts);
}
// 回線の再接続
static int ReConnectSkt(std::shared_ptr<SocketContext>& Skt) {
int Sts;
Sts = FFFTP_FAIL;
Notice(IDS_MSGJPN003);
DisableUserOpe();
if (Skt = DoConnect(&CurHost, CurHost.HostAdrs, CurHost.UserName, CurHost.PassWord, CurHost.Account, CurHost.Port, CurHost.FireWall, NO, CurHost.Security, &CancelFlg)) {
SendInitCommand(Skt, CurHost.InitCmd, &CancelFlg);
DoCWD(AskRemoteCurDir(), YES, YES, YES);
Sts = FFFTP_SUCCESS;
}
else
Sound::Error.Play();
EnableUserOpe();
return(Sts);
}
// コマンドコントロールソケットを返す
std::shared_ptr<SocketContext> AskCmdCtrlSkt() noexcept {
return CmdCtrlSocket;
}
// 転送コントロールソケットを返す
std::shared_ptr<SocketContext> AskTrnCtrlSkt() noexcept {
return TrnCtrlSocket;
}
/*----- コマンド／転送コントロールソケットの共有を解除 ------------------------
*
* Parameter
* なし
*
* Return Value
* なし
*----------------------------------------------------------------------------*/
void SktShareProh(void)
{
if(CmdCtrlSocket == TrnCtrlSocket)
{
if(CurHost.ReuseCmdSkt == YES)
{
CurHost.ReuseCmdSkt = NO;
CmdCtrlSocket.reset();
ReConnectSkt(CmdCtrlSocket);
}
}
return;
}
// コマンド／転送コントロールソケットの共有が解除されているかチェック
// YES=共有解除/NO=共有
int AskShareProh() noexcept {
return CmdCtrlSocket == TrnCtrlSocket || !TrnCtrlSocket ? NO : YES;
}
/*----- ホストから切断 --------------------------------------------------------
*
* Parameter
* なし
*
* Return Value
* なし
*----------------------------------------------------------------------------*/
void DisconnectProc(void)
{
AbortAllTransfer();
if (CmdCtrlSocket && CmdCtrlSocket != TrnCtrlSocket) {
DoQUIT(CmdCtrlSocket, &CancelFlg);
CmdCtrlSocket.reset();
}
if (TrnCtrlSocket) {
DoQUIT(TrnCtrlSocket, &CancelFlg);
TrnCtrlSocket.reset();
SaveCurrentSetToHistory();
EraseRemoteDirForWnd();
Notice(IDS_MSGJPN004);
}
DispWindowTitle();
UpdateStatusBar();
MakeButtonsFocus();
ClearBookMark();
return;
}
void DisconnectSet() noexcept {
CmdCtrlSocket.reset();
TrnCtrlSocket.reset();
}
// ホストに接続中かどうかを返す
int AskConnecting() noexcept {
return TrnCtrlSocket ? YES : NO;
}
#if defined(HAVE_TANDEM)
/*----- OSS ファイルシステムにアクセスしているかどうかのフラグを変更する ------
*
* Parameter
* int ステータス (YES/NO)
*
* Return Value
* int ステータス (YES/NO)
*----------------------------------------------------------------------------*/
int SetOSS(int wkOss)
{
if(Oss != wkOss)
CurHost.InitCmd = wkOss == YES ? L"OSS"sv : L"GUARDIAN"sv;
Oss = wkOss;
return(Oss);
}
// OSS ファイルシステムにアクセスしているかどうかを返す
int AskOSS() noexcept {
return(Oss);
}
#endif /* HAVE_TANDEM */
/*----- ホストへ接続する ------------------------------------------------------
*
* Parameter
* char *Host : ホスト名
* char *User : ユーザ名
* char *Pass : パスワード
* char *Acct : アカウント
* int Port : ポート
* int Fwall : FireWallを使うかどうか (YES/NO)
* int SavePass : パスワードを再入力した時に保存するかどうか (YES/NO)
* int Security : セキュリティ (SECURITY_xxx, MDx)
*
* Return Value
* SOCKET ソケット
*
* Note
* ホスト名、ユーザ名、パスワードが指定されていなかったときは、接続に使用
* したものをコピーしてかえす
* char *Host : ホスト名
* char *User : ユーザ名
* char *Pass : パスワード
* char *Acct : アカウント
*
* FireWallは次のように動作する
* TYPE1 Connect fire → USER user(f) → PASS pass(f) → SITE host → USER user(h) → PASS pass(h) → ACCT acct
* TYPE2 Connect fire → USER user(f) → PASS pass(f) → USER user(h)@host → PASS pass(h) → ACCT acct
* TYPE3 Connect fire → USER user(h)@host → PASS pass(h) → ACCT acct
* TYPE4 Connect fire → OPEN host → USER user(h) → PASS pass(h) → ACCT acct
* TYPE5 SOCKS4
* none Connect host → USER user(h) → PASS pass(h) → ACCT acct
*----------------------------------------------------------------------------*/
// 暗号化通信対応
static std::shared_ptr<SocketContext> DoConnectCrypt(int CryptMode, HOSTDATA* HostData, std::wstring const& Host, std::wstring& User, std::wstring& Pass, std::wstring& Acct, int Port, int Fwall, int SavePass, int Security, int *CancelCheckWork)
{
int Sts;
int Flg;
int Anony;
std::shared_ptr<SocketContext> ContSock;
int Continue;
int ReInPass;
constexpr std::wstring_view SiteTbl[] = { L"SITE"sv, L"site"sv, L"OPEN"sv, L"open"sv };
struct linger LingerOpt;
struct tcp_keepalive KeepAlive;
DWORD dwTmp;
if(CryptMode == CRYPT_NONE || CryptMode == CRYPT_FTPES || CryptMode == CRYPT_FTPIS)
{
if(Fwall == YES)
Fwall = FwallType;
else
Fwall = FWALL_NONE;
TryConnect = YES;
// 暗号化通信対応
// CancelFlg = NO;
#if 0
// WSASetBlockingHook(BlkHookFnc);
#endif
auto [tempHost, tempPort] = FWALL_FU_FP_SITE <= Fwall && Fwall <= FWALL_OPEN || Fwall == FWALL_SIDEWINDER || Fwall == FWALL_FU_FP ? std::tuple{ FwallHost, FwallPort } : std::tuple{ Host, Port };
if (!empty(tempHost)) {
if (ContSock = connectsock(Host, std::move(tempHost), tempPort, CancelCheckWork)) {
// バッファを無効
#ifdef DISABLE_CONTROL_NETWORK_BUFFERS
constexpr int BufferSize = 0;
setsockopt(ContSock->handle, SOL_SOCKET, SO_SNDBUF, (char*)&BufferSize, sizeof(int));
setsockopt(ContSock->handle, SOL_SOCKET, SO_RCVBUF, (char*)&BufferSize, sizeof(int));
#endif
if(CryptMode == CRYPT_FTPIS)
{
if (ContSock->AttachSSL(CancelCheckWork)) {
while((Sts = std::get<0>(ContSock->ReadReply(CancelCheckWork)) / 100) == FTP_PRELIM)
;
}
else
Sts = FTP_ERROR;
}
else
{
while((Sts = std::get<0>(ContSock->ReadReply(CancelCheckWork)) / 100) == FTP_PRELIM)
;
}
if(Sts == FTP_COMPLETE)
{
Flg = 1;
if(setsockopt(ContSock->handle, SOL_SOCKET, SO_OOBINLINE, (LPSTR)&Flg, sizeof(Flg)) == SOCKET_ERROR)
WSAError(L"setsockopt(SOL_SOCKET, SO_OOBINLINE)"sv);
// データ転送用ソケットのTCP遅延転送が無効されているので念のため
if(setsockopt(ContSock->handle, IPPROTO_TCP, TCP_NODELAY, (LPSTR)&Flg, sizeof(Flg)) == SOCKET_ERROR)
WSAError(L"setsockopt(IPPROTO_TCP, TCP_NODELAY)"sv);
//#pragma aaa
Flg = 1;
if(setsockopt(ContSock->handle, SOL_SOCKET, SO_KEEPALIVE, (LPSTR)&Flg, sizeof(Flg)) == SOCKET_ERROR)
WSAError(L"setsockopt(SOL_SOCKET, SO_KEEPALIVE)"sv);
// 切断対策
if(TimeOut > 0)
{
KeepAlive.onoff = 1;
KeepAlive.keepalivetime = TimeOut * 1000;
KeepAlive.keepaliveinterval = 1000;
if(WSAIoctl(ContSock->handle, SIO_KEEPALIVE_VALS, &KeepAlive, sizeof(struct tcp_keepalive), NULL, 0, &dwTmp, NULL, NULL) == SOCKET_ERROR)
WSAError(L"WSAIoctl(SIO_KEEPALIVE_VALS)"sv);
}
LingerOpt.l_onoff = 1;
LingerOpt.l_linger = 90;
if(setsockopt(ContSock->handle, SOL_SOCKET, SO_LINGER, (LPSTR)&LingerOpt, sizeof(LingerOpt)) == SOCKET_ERROR)
WSAError(L"setsockopt(SOL_SOCKET, SO_LINGER)"sv);
///////
/*===== 認証を行なう =====*/
Sts = FTP_COMPLETE;
if((Fwall == FWALL_FU_FP_SITE) ||
(Fwall == FWALL_FU_FP_USER) ||
(Fwall == FWALL_FU_FP))
{
if (auto [code, text] = Command(ContSock, CancelCheckWork, L"USER {}"sv, FwallUser); (Sts = code / 100) == FTP_CONTINUE) {
auto const pass = CheckOneTimePassword(std::wstring{ FwallPass }, text, FwallSecurity);
Sts = std::get<0>(Command(ContSock, CancelCheckWork, L"PASS {}"sv, pass)) / 100;
}
}
else if(Fwall == FWALL_SIDEWINDER)
{
Sts = std::get<0>(Command(ContSock, CancelCheckWork, L"USER {}:{}{}{}"sv, FwallUser, FwallPass, (wchar_t)FwallDelimiter, Host)) / 100;
}
if((Sts != FTP_COMPLETE) && (Sts != FTP_CONTINUE))
{
Notice(IDS_MSGJPN006);
ContSock.reset();
}
else
{
if((Fwall == FWALL_FU_FP_SITE) || (Fwall == FWALL_OPEN))
{
int const index = (Fwall == FWALL_OPEN ? 2 : 0) | (FwallLower == YES ? 1 : 0);
auto const format = Port == IPPORT_FTP ? L"{} {}"sv : L"{} {} {}"sv;
Sts = std::get<0>(Command(ContSock, CancelCheckWork, format, SiteTbl[index], Host)) / 100;
}
if((Sts != FTP_COMPLETE) && (Sts != FTP_CONTINUE))
{
Notice(IDS_MSGJPN007, Host);
ContSock.reset();
}
else
{
Anony = NO;
if (empty(User) && HostData->NoDisplayUI == NO)
InputDialog(username_dlg, GetMainHwnd(), 0, User, USER_NAME_LEN + 1, &Anony);
if (!empty(User)) {
if(Anony == YES)
{
User = L"anonymous"s;
Pass = UserMailAdrs;
}
auto const user = Fwall != FWALL_FU_FP_USER && Fwall != FWALL_USER ? User : Port == IPPORT_FTP ? std::format(L"{}{}{}"sv, User, (wchar_t)FwallDelimiter, Host) : std::format(L"{}{}{} {}"sv, User, (wchar_t)FwallDelimiter, Host, Port);
// FTPES対応
if (CryptMode == CRYPT_FTPES) {
if ((Sts = std::get<0>(Command(ContSock, CancelCheckWork, L"AUTH TLS"sv))) != 234 && (Sts = std::get<0>(Command(ContSock, CancelCheckWork, L"AUTH SSL"sv))) != 234)
Sts = FTP_ERROR;
else if (!ContSock->AttachSSL(CancelCheckWork))
Sts = FTP_ERROR;
else if ((Sts = std::get<0>(Command(ContSock, CancelCheckWork, L"PBSZ 0"sv))) != 200)
Sts = FTP_ERROR;
else if ((Sts = std::get<0>(Command(ContSock, CancelCheckWork, L"PROT P"sv))) != 200)
Sts = FTP_ERROR;
}
// FTPIS対応
if (CryptMode == CRYPT_FTPIS) {
// "PBSZ 0"と"PROT P"は黙示的に設定されているはずだが念のため
if ((Sts = std::get<0>(Command(ContSock, CancelCheckWork, L"PBSZ 0"sv))) == 200)
Sts = std::get<0>(Command(ContSock, CancelCheckWork, L"PROT P"sv));
}
ReInPass = NO;
do
{
// FTPES対応
if(Sts == FTP_ERROR)
break;
Continue = NO;
if (auto [code, text] = Command(ContSock, CancelCheckWork, L"USER {}"sv, user); (Sts = code / 100) == FTP_CONTINUE)
{
if (empty(Pass) && HostData->NoDisplayUI == NO)
InputDialog(passwd_dlg, GetMainHwnd(), 0, Pass, PASSWORD_LEN + 1);
if (!empty(Pass)) {
auto pass = CheckOneTimePassword(std::wstring{ Pass }, text, Security);
/* パスワードがスペース1個の時はパスワードの実体なしとする */
if (pass == L" "sv)
pass = L""s;
Sts = std::get<0>(Command(ContSock, CancelCheckWork, L"PASS {}"sv, pass)) / 100;
if(Sts == FTP_ERROR)
{
if (HostData->NoDisplayUI == NO && InputDialog(re_passwd_dlg, GetMainHwnd(), 0, Pass, PASSWORD_LEN + 1))
Continue = YES;
else {
Pass.clear();
Debug(L"No password specified."sv);
}
ReInPass = YES;
}
else if(Sts == FTP_CONTINUE)
{
if (empty(Acct) && HostData->NoDisplayUI == NO)
InputDialog(account_dlg, GetMainHwnd(), 0, Acct, ACCOUNT_LEN + 1);
if (!empty(Acct))
Sts = std::get<0>(Command(ContSock, CancelCheckWork, L"ACCT {}", Acct)) / 100;
else
Debug(L"No account specified."sv);
}
}
else
{
Sts = FTP_ERROR;
Debug(L"No password specified."sv);
}
}
// FTPES対応
if(Continue == YES)
Sts = FTP_COMPLETE;
}
while(Continue == YES);
}
else
{
Sts = FTP_ERROR;
Debug(L"No user name specified."sv);