private bool JobSize(Session session, String param, FtpCmd ftpCmd)
{
// Version. 6.2.0+(6.2.1) RFC:3659
var path = session.CurrentDir.CreatePath(null, param, false);
if (path == null)
{
// session.StringSend("550 Permission denied.");
session.StringSend("550 Permission denied.");
return(false);
}
if (Util.Exists(path) == ExistsKind.File)
{
var dirName = Path.GetDirectoryName(path);
var fileName = Path.GetFileName(path);
var di = new DirectoryInfo(dirName);
var files = di.GetFiles(fileName);
session.StringSend(string.Format("213 {0}", files[0].Length));
return(true);
}
session.StringSend(string.Format("550 {0}: No such file or directory.", param));
return(true);
}
private bool JobDir(Session session, String param, FtpCmd ftpCmd)
{
bool isDir = !(ftpCmd == FtpCmd.Dele);
int retCode = -1;
//�p�����[�^����V�����p�X��������
var path = session.CurrentDir.CreatePath(null, param, isDir);
if (path == null)
{
//TODO �G���[���O�擾�͂��K�v
}
else
{
if (ftpCmd == FtpCmd.Mkd)
{
//�f�B���N�g���͖�����?
if (!Directory.Exists(path)) //�f�B���N�g���͖�����?
{
Directory.CreateDirectory(path);
retCode = 257;
}
}
else if (ftpCmd == FtpCmd.Rmd)
{
if (Directory.Exists(path)) //�f�B���N�g���͗L�邩?
{
try{
Directory.Delete(path);
retCode = 250;
} catch (Exception) {
}
}
}
else if (ftpCmd == FtpCmd.Dele)
{
if (File.Exists(path)) //�t�@�C���͗L�邩?
{
File.Delete(path);
retCode = 250;
}
}
if (retCode != -1)
{
//����
Logger.Set(LogKind.Normal, session.SockCtrl, 7, string.Format("User:{0} Cmd:{1} Path:{2}", session.OneUser.UserName, ftpCmd, path));
session.StringSend(string.Format("{0} {1} command successful.", retCode, ftpCmd));
return(true);
}
//���s
//�R�}���h�����ŃG���[���������܂���
Logger.Set(LogKind.Error, session.SockCtrl, 3, string.Format("User:{0} Cmd:{1} Path:{2}", session.OneUser.UserName, ftpCmd, path));
}
session.StringSend(string.Format("451 {0} error.", ftpCmd));
return(true);
}
private bool JobDir(Session session, String param, FtpCmd ftpCmd)
{
bool isDir = !(ftpCmd == FtpCmd.Dele);
int retCode = -1;
//パラメータから新しいパス名を生成する
var path = session.CurrentDir.CreatePath(null, param, isDir);
if (path == null)
{
//TODO エラーログ取得力が必要
}
else
{
if (ftpCmd == FtpCmd.Mkd)
{
//ディレクトリは無いか?
if (!Directory.Exists(path)) //ディレクトリは無いか?
{
Directory.CreateDirectory(path);
retCode = 257;
}
}
else if (ftpCmd == FtpCmd.Rmd)
{
if (Directory.Exists(path)) //ディレクトリは有るか?
{
try{
Directory.Delete(path);
retCode = 250;
} catch (Exception) {
}
}
}
else if (ftpCmd == FtpCmd.Dele)
{
if (File.Exists(path)) //ファイルは有るか?
{
File.Delete(path);
retCode = 250;
}
}
if (retCode != -1)
{
//成功
Logger.Set(LogKind.Normal, session.SockCtrl, 7, string.Format("User:{0} Cmd:{1} Path:{2}", session.OneUser.UserName, ftpCmd, path));
session.StringSend(string.Format("{0} {1} command successful.", retCode, ftpCmd));
return(true);
}
//失敗
//コマンド処理でエラーが発生しました
Logger.Set(LogKind.Error, session.SockCtrl, 3, string.Format("User:{0} Cmd:{1} Path:{2}", session.OneUser.UserName, ftpCmd, path));
}
session.StringSend(string.Format("451 {0} error.", ftpCmd));
return(true);
}
private static bool JobCwd(Session session, String param)
{
if (session.CurrentDir.Cwd(param))
{
session.StringSend("250 CWD command successful.");
}
else
{
session.StringSend(string.Format("550 {0}: No such file or directory.", param));
}
return(true);
}
private bool JobStor(Session session, String param, FtpCmd ftpCmd)
{
String path = session.CurrentDir.CreatePath(null, param, false);
//Ver6.0.3 �f�B���N�g���g���o�[�T��
if (path == null)
{
session.StringSend("550 Permission denied.");
return(true);
}
ExistsKind exists = Util.Exists(path);
if (exists != ExistsKind.Dir)
{
//File file = new File(path);
if (exists == ExistsKind.File)
{
// �A�b�v���[�h���[�U�́A�����̃t�@�C����㏑���ł��Ȃ�
if (session.OneUser.FtpAcl == FtpAcl.Up && File.Exists(path))
{
session.StringSend("550 Permission denied.");
return(true);
}
}
//String str = string.Format("150 Opening {0} mode data connection for {1}.", session.getFtpType(), param);
session.SockCtrl.StringSend(string.Format("150 Opening {0} mode data connection for {1}.", session.FtpType.ToString().ToUpper(), param), "shift-jis");
//Up start
Logger.Set(LogKind.Normal, session.SockCtrl, 9, string.Format("{0} {1}", session.OneUser.UserName, param));
try{
int size = RecvBinary(session.SockData, path);
session.StringSend("226 Transfer complete.");
//Up end
Logger.Set(LogKind.Normal, session.SockCtrl, 10, string.Format("{0} {1} {2}bytes", session.OneUser.UserName, param, size));
} catch (IOException) {
session.StringSend("426 Transfer abort.");
//Up end
Logger.Set(LogKind.Error, session.SockCtrl, 17, string.Format("{0} {1}", session.OneUser.UserName, param));
}
session.SockData.Close();
session.SockData = null;
return(true);
}
session.StringSend(string.Format("451 {0} error.", ftpCmd));
return(true);
}
private bool JobPasv(Session session, FtpCmd ftpCmd)
{
var port = session.Port;
var ip = session.SockCtrl.LocalIp;
// データストリームのソケットの作成
for (int i = 0; i < 100; i++)
{
port++;
if (port >= 9999)
{
port = 2000;
}
//バインド可能かどうかの確認
if (SockServer.IsAvailable(Kernel, ip, port))
{
//成功
if (ftpCmd == FtpCmd.Epsv)
{
//Java fix Ver5.8.3
//session.StringSend(string.Format("229 Entering Extended Passive Mode. (|||{0}|)", port));
session.StringSend(string.Format("229 Entering Extended Passive Mode (|||{0}|)", port));
}
else
{
var ipStr = ip.ToString();
//Java fix Ver5.8.3
//session.StringSend(string.Format("227 Entering Passive Mode. ({0},{1},{2})", ipStr.Replace('.',','), port/256, port%256));
session.StringSend(string.Format("227 Entering Passive Mode ({0},{1},{2})", ipStr.Replace('.', ','), port / 256, port % 256));
}
//指定したアドレス・ポートで待ち受ける
var sockData = SockServer.CreateConnection(Kernel, ip, port, null, this);
if (sockData == null)
{
//接続失敗
return(false);
}
if (sockData.SockState != Bjd.sock.SockState.Error)
{
//セッション情報の保存
session.Port = port;
session.SockData = sockData;
return(true);
}
}
}
session.StringSend("500 command not understood:");
return(true);
}
private bool JobPasv(Session session, FtpCmd ftpCmd)
{
var port = session.Port;
var ip = session.SockCtrl.LocalIp;
// �f�[�^�X�g���[���̃\�P�b�g�̍쐬
for (int i = 0; i < 100; i++)
{
port++;
if (port >= 9999)
{
port = 2000;
}
//�o�C���h�\���ǂ����̊m�F
if (SockServer.IsAvailable(Kernel, ip, port))
{
//����
if (ftpCmd == FtpCmd.Epsv)
{
//Java fix Ver5.8.3
//session.StringSend(string.Format("229 Entering Extended Passive Mode. (|||{0}|)", port));
session.StringSend(string.Format("229 Entering Extended Passive Mode (|||{0}|)", port));
}
else
{
var ipStr = ip.ToString();
//Java fix Ver5.8.3
//session.StringSend(string.Format("227 Entering Passive Mode. ({0},{1},{2})", ipStr.Replace('.',','), port/256, port%256));
session.StringSend(string.Format("227 Entering Passive Mode ({0},{1},{2})", ipStr.Replace('.', ','), port / 256, port % 256));
}
//�w�肵���A�h���X�E�|�[�g�ő҂���
var sockData = SockServer.CreateConnection(Kernel, ip, port, null, this);
if (sockData == null)
{
//�ڑ����s
return(false);
}
if (sockData.SockState != Bjd.sock.SockState.Error)
{
//�Z�b�V�������̕ۑ�
session.Port = port;
session.SockData = sockData;
return(true);
}
}
}
session.StringSend("500 command not understood:");
return(true);
}
private bool JobRnto(Session session, String param, FtpCmd ftpCmd)
{
//Ver6.0.4
//if (session.RnfrName != "") {
if (!string.IsNullOrEmpty(session.RnfrName))
{
var path = session.CurrentDir.CreatePath(null, param, false);
//Ver6.0.3 �f�B���N�g���g���o�[�T��
if (path == null)
{
session.StringSend("550 Permission denied.");
return(false);
}
var existsKind = Util.Exists(path);
if (existsKind == ExistsKind.Dir)
{
session.StringSend("550 rename: Is a derectory name.");
return(true);
}
if (existsKind == ExistsKind.File)
{
File.Delete(path);
}
if (Directory.Exists(session.RnfrName)) //�ύX�̑Ώۂ��f�B���N�g���ł���ꍇ
{
Directory.Move(session.RnfrName, path);
}
else //�ύX�̑Ώۂ��t�@�C���ł���ꍇ
//Ver6.0.4
{
if (!Directory.Exists(Path.GetDirectoryName(path)))
{
//�w���̃f�B���N�g�������݂��Ȃ��ꍇ�̃G���[
session.StringSend("550 Permission denied.");
return(false);
}
File.Move(session.RnfrName, path);
}
Logger.Set(LogKind.Normal, session.SockCtrl, 8, string.Format("{0} {1} -> {2}", session.OneUser.UserName, session.RnfrName, path));
session.StringSend("250 RNTO command successful.");
return(true);
}
session.StringSend(string.Format("451 {0} error.", ftpCmd));
return(true);
}
private bool JobRnto(Session session, String param, FtpCmd ftpCmd)
{
//Ver6.0.4
//if (session.RnfrName != "") {
if (!string.IsNullOrEmpty(session.RnfrName))
{
var path = session.CurrentDir.CreatePath(null, param, false);
//Ver6.0.3 ディレクトリトラバーサル
if (path == null)
{
session.StringSend("550 Permission denied.");
return(false);
}
var existsKind = Util.Exists(path);
if (existsKind == ExistsKind.Dir)
{
session.StringSend("550 rename: Is a derectory name.");
return(true);
}
if (existsKind == ExistsKind.File)
{
File.Delete(path);
}
if (Directory.Exists(session.RnfrName)) //変更の対象がディレクトリである場合
{
Directory.Move(session.RnfrName, path);
}
else //変更の対象がファイルである場合
//Ver6.0.4
{
if (!Directory.Exists(Path.GetDirectoryName(path)))
{
//指定先のディレクトリが存在しない場合のエラー
session.StringSend("550 Permission denied.");
return(false);
}
File.Move(session.RnfrName, path);
}
Logger.Set(LogKind.Normal, session.SockCtrl, 8, string.Format("{0} {1} -> {2}", session.OneUser.UserName, session.RnfrName, path));
session.StringSend("250 RNTO command successful.");
return(true);
}
session.StringSend(string.Format("451 {0} error.", ftpCmd));
return(true);
}
private bool JobRetr(Session session, String param)
{
var path = session.CurrentDir.CreatePath(null, param, false);
//Ver6.0.3 ディレクトリトラバーサル
if (path == null)
{
// session.StringSend("550 Permission denied.");
session.StringSend(string.Format("550 {0}", param));
Logger.Set(LogKind.Detail, session.SockCtrl, 13, string.Format("{0}", param));
return(false);
}
if (Util.Exists(path) == ExistsKind.File)
{
var dirName = Path.GetDirectoryName(path);
var fileName = Path.GetFileName(path);
var di = new DirectoryInfo(dirName);
var files = di.GetFiles(fileName);
if (files.Length == 1)
{
String str = string.Format("150 Opening {0} mode data connection for {1} ({2} bytes).", session.FtpType.ToString().ToUpper(), param, files[0].Length);
session.StringSend(str); //Shift-jisである必要がある？
//DOWN start
Logger.Set(LogKind.Normal, session.SockCtrl, 11, string.Format("{0} {1}", session.OneUser.UserName, param));
try{
int size = SendBinary(session.SockData, path);
session.StringSend("226 Transfer complete.");
//DOWN end
Logger.Set(LogKind.Normal, session.SockCtrl, 12, string.Format("{0} {1} {2}bytes", session.OneUser.UserName, param, size));
} catch (IOException) {
session.StringSend("426 Transfer abort.");
//DOWN end
Logger.Set(LogKind.Error, session.SockCtrl, 16, string.Format("{0} {1}", session.OneUser.UserName, param));
}
session.SockData.Close();
session.SockData = null;
return(true);
}
}
session.StringSend(string.Format("550 {0}: No such file or directory.", param));
return(true);
}
private static bool JobUser(Session session, String userName)
{
//���M���ꂽ���[�U����L������
//���[�U�����݂��邩�ǂ����́APASS�R�}���h�̎��_�ŕ]�������
session.UserName = userName;
//���[�U���̗L���E�����ɊW�Ȃ��p�X���[�h�̓��͂𑣂�
session.StringSend(string.Format("331 Password required for {0}.", userName));
return(true);
}
private static bool JobUser(Session session, String userName)
{
//送信されたユーザ名を記憶する
//ユーザが存在するかどうかは、PASSコマンドの時点で評価される
session.UserName = userName;
//ユーザ名の有効・無効に関係なくパスワードの入力を促す
session.StringSend(string.Format("331 Password required for {0}.", userName));
return(true);
}
private bool JobPort(Session session, String param, FtpCmd ftpCmd)
{
String resStr = "500 command not understood:";
Ip ip = null;
int port = 0;
if (ftpCmd == FtpCmd.Eprt)
{
var tmpBuf = param.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
if (tmpBuf.Length == 3)
{
port = Convert.ToInt32(tmpBuf[2]);
try{
ip = new Ip(tmpBuf[1]);
} catch (ValidObjException) {
ip = null;
}
}
if (ip == null)
{
resStr = "501 Illegal EPRT command.";
}
}
else
{
var tmpBuf = param.Split(',');
if (tmpBuf.Length == 6)
{
try{
ip = new Ip(tmpBuf[0] + "." + tmpBuf[1] + "." + tmpBuf[2] + "." + tmpBuf[3]);
} catch (ValidObjException) {
ip = null;
}
port = Convert.ToInt32(tmpBuf[4]) * 256 + Convert.ToInt32(tmpBuf[5]);
}
if (ip == null)
{
resStr = "501 Illegal PORT command.";
}
}
if (ip != null)
{
Thread.Sleep(10);
var sockData = Inet.Connect(Kernel, ip, port, Timeout, null);
if (sockData != null)
{
resStr = string.Format("200 {0} command successful.", ftpCmd.ToString().ToUpper());
}
session.SockData = sockData;
}
session.StringSend(resStr);
return(true);
}
private bool jobRnfr(Session session, String param, FtpCmd ftpCmd)
{
var path = session.CurrentDir.CreatePath(null, param, false);
//Ver6.0.3 �f�B���N�g���g���o�[�T��
if (path == null)
{
session.StringSend("550 Permission denied.");
return(false);
}
if (Util.Exists(path) != ExistsKind.None)
{
session.RnfrName = path;
session.StringSend("350 File exists, ready for destination name.");
return(true);
}
session.StringSend(string.Format("451 {0} error.", ftpCmd));
return(true);
}
private bool JobType(Session session, String param)
{
String resStr;
switch (param.ToUpper()[0])
{
case 'A':
session.FtpType = FtpType.Ascii;
resStr = "200 Type set 'A'";
break;
case 'I':
session.FtpType = FtpType.Binary;
resStr = "200 Type set 'I'";
break;
default:
resStr = "500 command not understood.";
break;
}
session.StringSend(resStr);
return(true);
}
private bool JobPort(Session session, String param, FtpCmd ftpCmd)
{
String resStr = "500 command not understood:";
Ip ip = null;
int port = 0;
if (ftpCmd == FtpCmd.Eprt){
var tmpBuf = param.Split(new[]{'|'},StringSplitOptions.RemoveEmptyEntries);
if (tmpBuf.Length == 3){
port = Convert.ToInt32(tmpBuf[2]);
try{
ip = new Ip(tmpBuf[1]);
} catch (ValidObjException){
ip = null;
}
}
if (ip == null){
resStr = "501 Illegal EPRT command.";
}
} else{
var tmpBuf = param.Split(',');
if (tmpBuf.Length == 6){
try{
ip = new Ip(tmpBuf[0] + "." + tmpBuf[1] + "." + tmpBuf[2] + "." + tmpBuf[3]);
} catch (ValidObjException ){
ip = null;
}
port = Convert.ToInt32(tmpBuf[4]) * 256 + Convert.ToInt32(tmpBuf[5]);
}
if (ip == null){
resStr = "501 Illegal PORT command.";
}
}
if (ip != null){
Thread.Sleep(10);
var sockData = Inet.Connect(Kernel,ip, port, Timeout, null);
if (sockData != null){
resStr = string.Format("200 {0} command successful.", ftpCmd.ToString().ToUpper());
}
session.SockData = sockData;
}
session.StringSend(resStr);
return true;
}
private bool JobNlist(Session session, String param, FtpCmd ftpCmd)
{
// �Z�k���X�g���ǂ���
var wideMode = (ftpCmd == FtpCmd.List);
var mask = "*.*";
//�p�����[�^���w�肳��Ă���ꍇ�A�}�X�N��擾����
if (param != "")
{
foreach (var p in param.Split(' '))
{
if (p == "")
{
continue;
}
if (p.ToUpper().IndexOf("-L") == 0)
{
wideMode = true;
}
else if (p.ToUpper().IndexOf("-A") == 0)
{
wideMode = true;
}
else
{
//���C���h�J�[�h�w��
if (p.IndexOf('*') != -1 || p.IndexOf('?') != -1)
{
mask = param;
}
else
{
//�t�H���_�w��
//Ver5.9.0
try {
var existsKind = Util.Exists(session.CurrentDir.CreatePath(null, param, false));
switch (existsKind)
{
case ExistsKind.Dir:
mask = param + "\\*.*";
break;
case ExistsKind.File:
mask = param;
break;
default:
session.StringSend(string.Format("500 {0}: command requires a parameter.", param));
session.SockData = null;
return(true);
}
} catch (Exception ex) {
Logger.Set(LogKind.Error, session.SockCtrl, 18, String.Format("param={0} Exception.message={1}", param, ex.Message));
session.StringSend(string.Format("500 {0}: command requires a parameter.", param));
session.SockData = null;
return(true);
}
}
}
}
}
session.StringSend(string.Format("150 Opening {0} mode data connection for ls.", session.FtpType.ToString().ToUpper()));
//�t�@�C���ꗗ�擾
foreach (var s in session.CurrentDir.List(mask, wideMode))
{
session.SockData.StringSend(s, "Shift-Jis");
}
session.StringSend("226 Transfer complete.");
session.SockData.Close();
session.SockData = null;
return(true);
}
private bool JobDir(Session session, String param, FtpCmd ftpCmd)
{
bool isDir = !(ftpCmd == FtpCmd.Dele);
int retCode = -1;
//�p�����[�^����V�����p�X��������
var path = session.CurrentDir.CreatePath(null, param, isDir);
if (path == null){
//TODO �G���[���O�擾�͂��K�v
} else{
if (ftpCmd == FtpCmd.Mkd){
//�f�B���N�g���͖�����?
if (!Directory.Exists(path)) {//�f�B���N�g���͖�����?
Directory.CreateDirectory(path);
retCode = 257;
}
} else if (ftpCmd == FtpCmd.Rmd) {
if (Directory.Exists(path)) {//�f�B���N�g���͗L�邩?
try{
Directory.Delete(path);
retCode = 250;
} catch (Exception) {
}
}
} else if (ftpCmd == FtpCmd.Dele) {
if (File.Exists(path)) {//�t�@�C���͗L�邩?
File.Delete(path);
retCode = 250;
}
}
if (retCode != -1){
//����
Logger.Set(LogKind.Normal, session.SockCtrl, 7, string.Format("User:{0} Cmd:{1} Path:{2}", session.OneUser.UserName, ftpCmd, path));
session.StringSend(string.Format("{0} {1} command successful.", retCode, ftpCmd));
return true;
}
//���s
//�R�}���h�����ŃG���[���������܂���
Logger.Set(LogKind.Error, session.SockCtrl, 3, string.Format("User:{0} Cmd:{1} Path:{2}", session.OneUser.UserName, ftpCmd, path));
}
session.StringSend(string.Format("451 {0} error.", ftpCmd));
return true;
}
private bool JobNlist(Session session, String param, FtpCmd ftpCmd)
{
// �Z�k���X�g���ǂ���
var wideMode = (ftpCmd == FtpCmd.List);
var mask = "*.*";
//�p�����[�^���w�肳��Ă���ꍇ�A�}�X�N��擾����
if (param != ""){
foreach (var p in param.Split(' ')){
if (p == ""){
continue;
}
if (p.ToUpper().IndexOf("-L") == 0){
wideMode = true;
}else if(p.ToUpper().IndexOf("-A") == 0) {
wideMode = true;
} else{
//���C���h�J�[�h�w��
if (p.IndexOf('*') != -1 || p.IndexOf('?') != -1){
mask = param;
} else{
//�t�H���_�w��
//Ver5.9.0
try {
var existsKind = Util.Exists(session.CurrentDir.CreatePath(null, param, false));
switch (existsKind) {
case ExistsKind.Dir:
mask = param + "\\*.*";
break;
case ExistsKind.File:
mask = param;
break;
default:
session.StringSend(string.Format("500 {0}: command requires a parameter.", param));
session.SockData = null;
return true;
}
} catch (Exception ex) {
Logger.Set(LogKind.Error, session.SockCtrl, 18,String.Format("param={0} Exception.message={1}",param,ex.Message));
session.StringSend(string.Format("500 {0}: command requires a parameter.", param));
session.SockData = null;
return true;
}
}
}
}
}
session.StringSend(string.Format("150 Opening {0} mode data connection for ls.", session.FtpType.ToString().ToUpper()));
//�t�@�C���ꗗ�擾
foreach (var s in session.CurrentDir.List(mask, wideMode)){
session.SockData.StringSend(s, "Shift-Jis");
}
session.StringSend("226 Transfer complete.");
session.SockData.Close();
session.SockData = null;
return true;
}
protected override void OnSubThread(SockObj sockObj)
{
//�Z�b�V�������Ƃ̏��
var session = new Session((SockTcp)sockObj);
//���̃R�l�N�V�����̊ԁA�P�ÂC���N�����g���Ȃ���g�p�����
//�{���́A�ؒf�����|�[�g�ԍ��͍ė��p�\�Ȃ̂ŁA�C���N�������g�̕K�v�͖������A
//�Z���Ԃōė��p���悤�Ƃ���ƃG���[����������ꍇ������̂ŁA���������ړI�ŃC���N�������g���Ďg�p���Ă���
//�O���[�e�B���O���b�Z�[�W�̑��M
session.StringSend(string.Format("220 {0}", _bannerMessage));
//�R�l�N�V������p�����邩�ǂ����̃t���O
var result = true;
while (IsLife() && result)
{
//���̃��[�v�͍ŏ��ɃN���C�A���g����̃R�}���h��P�s��M���A�Ō�ɁA
//sockCtrl.LineSend(resStr)���X�|���X������s��
//continue��w�肵���ꍇ�́A���X�|���X��Ԃ����Ɏ��̃R�}���h��M�ɓ���i��O�����p�j
//break��w�肵���ꍇ�́A�R�l�N�V�����̏I����Ӗ�����iQUIT ABORT �y�уG���[�̏ꍇ�j
Thread.Sleep(0);
var cmd = recvCmd(session.SockCtrl);
if (cmd == null)
{
//�ؒf����Ă���
break;
}
if (cmd.Str == "")
{
session.StringSend("500 Invalid command: try being more creative.");
//��M�ҋ@��
//Thread.Sleep(100);
continue;
}
//�R�}���h������̉��
//var ftpCmd = (FtpCmd) Enum.Parse(typeof (FtpCmd), cmd.CmdStr);
var ftpCmd = FtpCmd.Unknown;
foreach (FtpCmd n in Enum.GetValues(typeof(FtpCmd)))
{
if (n.ToString().ToUpper() != cmd.CmdStr.ToUpper())
{
continue;
}
ftpCmd = n;
break;
}
//FtpCmd ftpCmd = FtpCmd.parse(cmd.CmdStr);
var param = cmd.ParamStr;
//SYST�R�}���h���L�����ǂ����̔��f
if (ftpCmd == FtpCmd.Syst)
{
if (!(bool)Conf.Get("useSyst"))
{
ftpCmd = FtpCmd.Unknown;
}
}
//�R�}���h�������ȏꍇ�̏���
if (ftpCmd == FtpCmd.Unknown)
{
//session.StringSend("502 Command not implemented.");
session.StringSend("500 Command not understood.");
}
//QUIT�͂��ł�t����
if (ftpCmd == FtpCmd.Quit)
{
session.StringSend("221 Goodbye.");
break;
}
if (ftpCmd == FtpCmd.Abor)
{
session.StringSend("250 ABOR command successful.");
break;
}
// //����́A���O�C���������t���Ȃ��R�}���h����H
// //RNFR�Ŏw�肳�ꂽ�p�X�̖�����
// if (ftpCmd != FtpCmd.Rnfr) {
// session.setRnfrName("");
// }
// �R�}���h�g�ւ�
if (ftpCmd == FtpCmd.Cdup)
{
param = "..";
ftpCmd = FtpCmd.Cwd;
}
//�s���A�N�Z�X�Ώ� �p�����[�^�ɋɒ[�ɒ���������𑗂荞�܂ꂽ�ꍇ
if (param.Length > 128)
{
Logger.Set(LogKind.Secure, session.SockCtrl, 1, string.Format("{0} Length={1}", ftpCmd, param.Length));
break;
}
//�f�t�H���g�̃��X�|���X������
//���������ׂĒʉ߂��Ă��܂����ꍇ�A���̕����Ԃ����
//String resStr2 = string.Format("451 {0} error", ftpCmd);
// ���O�C���O�̏���
if (session.CurrentDir == null)
{
//ftpCmd == FTP_CMD.PASS
//������
//PASS�̑O��USER�R�}���h��K�v�Ƃ���
//sockCtrl.LineSend("503 Login with USER first.");
if (ftpCmd == FtpCmd.User)
{
if (param == "")
{
session.StringSend(string.Format("500 {0}: command requires a parameter.", ftpCmd.ToString().ToUpper()));
continue;
}
result = JobUser(session, param);
}
else if (ftpCmd == FtpCmd.Pass)
{
result = JobPass(session, param);
}
else
{
//USER�APASS�ȊO�̓G���[��Ԃ�
session.StringSend("530 Please login with USER and PASS.");
}
// ���O�C����̏���
}
else
{
// �p�����[�^�̊m�F(�p�����[�^�������ꍇ�̓G���[��Ԃ�)
if (param == "")
{
if (ftpCmd == FtpCmd.Cwd || ftpCmd == FtpCmd.Type || ftpCmd == FtpCmd.Mkd || ftpCmd == FtpCmd.Rmd || ftpCmd == FtpCmd.Dele || ftpCmd == FtpCmd.Port || ftpCmd == FtpCmd.Rnfr || ftpCmd == FtpCmd.Rnto || ftpCmd == FtpCmd.Stor || ftpCmd == FtpCmd.Retr)
{
//session.StringSend("500 command not understood:");
session.StringSend(string.Format("500 {0}: command requires a parameter.", ftpCmd.ToString().ToUpper()));
continue;
}
}
// �f�[�^�R�l�N�V�����������ƃG���[�ƂȂ�R�}���h
if (ftpCmd == FtpCmd.Nlst || ftpCmd == FtpCmd.List || ftpCmd == FtpCmd.Stor || ftpCmd == FtpCmd.Retr)
{
if (session.SockData == null || session.SockData.SockState != Bjd.sock.SockState.Connect)
{
session.StringSend("226 data connection close.");
continue;
}
}
// ���[�U�̃A�N�Z�X���ɃG���[�ƂȂ�R�}���h
if (session.OneUser != null)
{
if (session.OneUser.FtpAcl == FtpAcl.Down)
{
if (ftpCmd == FtpCmd.Stor || ftpCmd == FtpCmd.Dele || ftpCmd == FtpCmd.Rnfr || ftpCmd == FtpCmd.Rnto || ftpCmd == FtpCmd.Rmd || ftpCmd == FtpCmd.Mkd)
{
session.StringSend("550 Permission denied.");
continue;
}
}
else if (session.OneUser.FtpAcl == FtpAcl.Up)
{
if (ftpCmd == FtpCmd.Retr || ftpCmd == FtpCmd.Dele || ftpCmd == FtpCmd.Rnfr || ftpCmd == FtpCmd.Rnto || ftpCmd == FtpCmd.Rmd || ftpCmd == FtpCmd.Mkd)
{
session.StringSend("550 Permission denied.");
continue;
}
}
}
// ���O�C����(�F�؊����j���́AUSER�APASS ��t���Ȃ�
if (ftpCmd == FtpCmd.User || ftpCmd == FtpCmd.Pass)
{
session.StringSend("530 Already logged in.");
continue;
}
if (ftpCmd == FtpCmd.Noop)
{
session.StringSend("200 NOOP command successful.");
}
else if (ftpCmd == FtpCmd.Pwd || ftpCmd == FtpCmd.Xpwd)
{
session.StringSend(string.Format("257 \"{0}\" is current directory.", session.CurrentDir.GetPwd()));
}
else if (ftpCmd == FtpCmd.Cwd)
{
result = JobCwd(session, param);
}
else if (ftpCmd == FtpCmd.Syst)
{
var os = Environment.OSVersion;
session.StringSend(string.Format("215 {0}", os.VersionString));
}
else if (ftpCmd == FtpCmd.Type)
{
result = JobType(session, param);
}
else if (ftpCmd == FtpCmd.Mkd || ftpCmd == FtpCmd.Rmd || ftpCmd == FtpCmd.Dele)
{
result = JobDir(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Nlst || ftpCmd == FtpCmd.List)
{
result = JobNlist(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Port || ftpCmd == FtpCmd.Eprt)
{
result = JobPort(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Pasv || ftpCmd == FtpCmd.Epsv)
{
result = JobPasv(session, ftpCmd);
}
else if (ftpCmd == FtpCmd.Rnfr)
{
result = jobRnfr(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Rnto)
{
result = JobRnto(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Stor)
{
result = JobStor(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Retr)
{
result = JobRetr(session, param);
}
}
}
//���O�C�����Ă���ꍇ�́A���O�A�E�g�̃��O��o�͂���
if (session.CurrentDir != null)
{
//logout
Logger.Set(LogKind.Normal, session.SockCtrl, 13, string.Format("{0}", session.OneUser.UserName));
}
session.SockCtrl.Close();
if (session.SockData != null)
{
session.SockData.Close();
}
}
private bool JobPass(Session session, String password)
{
//�܂�USER�R�}���h���������Ă��Ȃ��ꍇ
if (session.UserName == null)
{
session.StringSend("503 Login with USER first.");
return(true);
}
//���[�U���
session.OneUser = _listUser.Get(session.UserName);
if (session.OneUser == null)
{
//�����ȃ��[�U�̏ꍇ
Logger.Set(LogKind.Secure, session.SockCtrl, 14, string.Format("USER:{0} PASS:{1}", session.UserName, password));
}
else
{
//�p�X���[�h�m�F
bool success = false;
// *�̏ꍇ�AAnonymous�ڑ��Ƃ��ď�������
if (session.OneUser.Password == "*")
{
//oneUser.UserName = string.Format("{0}(ANONYMOUS)",oneUser.UserName);
Logger.Set(LogKind.Normal, session.SockCtrl, 5, string.Format("{0}(ANONYMOUS) {1}", session.OneUser.UserName, password));
success = true;
}
else if (session.OneUser.Password == password)
{
Logger.Set(LogKind.Secure, session.SockCtrl, 6, string.Format("{0}", session.OneUser.UserName));
success = true;
}
if (success)
{
//�ȉ��A�p�X���[�h�F�ɐ��������ꍇ�̏���
//�z�[���f�B���N�g���̑��݊m�F
//�T�[�o�N���i�^�c�j���Ƀf�B���N�g�����폜����Ă���\��������̂ŁA���̎��_�Ŋm�F����
if (Util.Exists(session.OneUser.HomeDir) != ExistsKind.Dir)
{
//�z�[���f�B���N�g�������݂��܂���i�������p���ł��Ȃ����ߐؒf���܂���
Logger.Set(LogKind.Error, session.SockCtrl, 2, string.Format("userName={0} hoemDir={1}", session.OneUser.UserName, session.OneUser.HomeDir));
return(false);
}
//���O�C������ �i�J�����g�f�B���N�g���́A�z�[���f�B���N�g���ŏ����������j
session.CurrentDir = new CurrentDir(session.OneUser.HomeDir, _listMount);
session.StringSend(string.Format("230 User {0} logged in.", session.UserName));
return(true);
}
//�ȉ��F�؎��s����
Logger.Set(LogKind.Secure, session.SockCtrl, 15, string.Format("USER:{0} PASS:{1}", session.UserName, password));
}
var reservationTime = (int)Conf.Get("reservationTime");
//�u���[�g�t�H�[�X�h�~�̂��߂̃E�G�C�g(5�b)
for (int i = 0; i < reservationTime / 100 && IsLife(); i++)
{
Thread.Sleep(100);
}
//�F�Ɏ��s�����ꍇ�̏���
session.StringSend("530 Login incorrect.");
return(true);
}
private bool JobStor(Session session, String param, FtpCmd ftpCmd)
{
String path = session.CurrentDir.CreatePath(null, param, false);
//Ver6.0.3 �f�B���N�g���g���o�[�T��
if (path==null){
session.StringSend("550 Permission denied.");
return true;
}
ExistsKind exists = Util.Exists(path);
if (exists != ExistsKind.Dir){
//File file = new File(path);
if (exists == ExistsKind.File){
// �A�b�v���[�h���[�U�́A�����̃t�@�C����㏑���ł��Ȃ�
if (session.OneUser.FtpAcl == FtpAcl.Up && File.Exists(path)){
session.StringSend("550 Permission denied.");
return true;
}
}
//String str = string.Format("150 Opening {0} mode data connection for {1}.", session.getFtpType(), param);
session.SockCtrl.StringSend(string.Format("150 Opening {0} mode data connection for {1}.", session.FtpType.ToString().ToUpper(), param),"shift-jis");
//Up start
Logger.Set(LogKind.Normal, session.SockCtrl, 9, string.Format("{0} {1}", session.OneUser.UserName, param));
try{
int size = RecvBinary(session.SockData, path);
session.StringSend("226 Transfer complete.");
//Up end
Logger.Set(LogKind.Normal, session.SockCtrl, 10, string.Format("{0} {1} {2}bytes", session.OneUser.UserName, param, size));
} catch (IOException){
session.StringSend("426 Transfer abort.");
//Up end
Logger.Set(LogKind.Error, session.SockCtrl, 17, string.Format("{0} {1}", session.OneUser.UserName, param));
}
session.SockData.Close();
session.SockData = null;
return true;
}
session.StringSend(string.Format("451 {0} error.", ftpCmd));
return true;
}
private bool JobRnto(Session session, String param, FtpCmd ftpCmd)
{
//Ver6.0.4
//if (session.RnfrName != "") {
if (!string.IsNullOrEmpty(session.RnfrName)) {
var path = session.CurrentDir.CreatePath(null, param, false);
//Ver6.0.3 �f�B���N�g���g���o�[�T��
if (path == null) {
session.StringSend("550 Permission denied.");
return false;
}
var existsKind = Util.Exists(path);
if (existsKind == ExistsKind.Dir){
session.StringSend("550 rename: Is a derectory name.");
return true;
}
if (existsKind == ExistsKind.File){
File.Delete(path);
}
if (Directory.Exists(session.RnfrName)) {//�ύX�̑Ώۂ��f�B���N�g���ł���ꍇ
Directory.Move(session.RnfrName, path);
} else {//�ύX�̑Ώۂ��t�@�C���ł���ꍇ
//Ver6.0.4
if (!Directory.Exists(Path.GetDirectoryName(path))){
//�w���̃f�B���N�g�������݂��Ȃ��ꍇ�̃G���[
session.StringSend("550 Permission denied.");
return false;
}
File.Move(session.RnfrName, path);
}
Logger.Set(LogKind.Normal, session.SockCtrl, 8, string.Format("{0} {1} -> {2}", session.OneUser.UserName, session.RnfrName, path));
session.StringSend("250 RNTO command successful.");
return true;
}
session.StringSend(string.Format("451 {0} error.", ftpCmd));
return true;
}
private bool JobRetr(Session session, String param)
{
var path = session.CurrentDir.CreatePath(null, param, false);
//Ver6.0.3 �f�B���N�g���g���o�[�T��
if (path == null) {
session.StringSend("550 Permission denied.");
return false;
}
if (Util.Exists(path) == ExistsKind.File){
var dirName = Path.GetDirectoryName(path);
var fileName = Path.GetFileName(path);
var di = new DirectoryInfo(dirName);
var files = di.GetFiles(fileName);
if (files.Length == 1){
String str = string.Format("150 Opening {0} mode data connection for {1} ({2} bytes).", session.FtpType.ToString().ToUpper(), param, files[0].Length);
session.StringSend(str); //Shift-jis�ł���K�v������H
//DOWN start
Logger.Set(LogKind.Normal, session.SockCtrl, 11, string.Format("{0} {1}", session.OneUser.UserName, param));
try{
int size = SendBinary(session.SockData, path);
session.StringSend("226 Transfer complete.");
//DOWN end
Logger.Set(LogKind.Normal, session.SockCtrl, 12, string.Format("{0} {1} {2}bytes", session.OneUser.UserName, param, size));
} catch (IOException){
session.StringSend("426 Transfer abort.");
//DOWN end
Logger.Set(LogKind.Error, session.SockCtrl, 16, string.Format("{0} {1}", session.OneUser.UserName, param));
}
session.SockData.Close();
session.SockData = null;
return true;
}
}
session.StringSend(string.Format("550 {0}: No such file or directory.", param));
return true;
}
protected override void OnSubThread(SockObj sockObj)
{
//�Z�b�V�������Ƃ̏��
var session = new Session((SockTcp) sockObj);
//���̃R�l�N�V�����̊ԁA�P�ÂC���N�����g���Ȃ���g�p�����
//�{���́A�ؒf�����|�[�g�ԍ��͍ė��p�\�Ȃ̂ŁA�C���N�������g�̕K�v�͖������A
//�Z���Ԃōė��p���悤�Ƃ���ƃG���[����������ꍇ������̂ŁA���������ړI�ŃC���N�������g���Ďg�p���Ă���
//�O���[�e�B���O���b�Z�[�W�̑��M
session.StringSend(string.Format("220 {0}", _bannerMessage));
//�R�l�N�V������p�����邩�ǂ����̃t���O
var result = true;
while (IsLife() && result){
//���̃��[�v�͍ŏ��ɃN���C�A���g����̃R�}���h��P�s��M���A�Ō�ɁA
//sockCtrl.LineSend(resStr)���X�|���X������s��
//continue��w�肵���ꍇ�́A���X�|���X��Ԃ����Ɏ��̃R�}���h��M�ɓ���i��O�����p�j
//break��w�肵���ꍇ�́A�R�l�N�V�����̏I����Ӗ�����iQUIT ABORT �y�уG���[�̏ꍇ�j
Thread.Sleep(0);
var cmd = recvCmd(session.SockCtrl);
if (cmd == null){
//�ؒf����Ă���
break;
}
if (cmd.Str == ""){
session.StringSend("500 Invalid command: try being more creative.");
//��M�ҋ@��
//Thread.Sleep(100);
continue;
}
//�R�}���h������̉��
//var ftpCmd = (FtpCmd) Enum.Parse(typeof (FtpCmd), cmd.CmdStr);
var ftpCmd = FtpCmd.Unknown;
foreach (FtpCmd n in Enum.GetValues(typeof(FtpCmd))) {
if (n.ToString().ToUpper() != cmd.CmdStr.ToUpper())
continue;
ftpCmd = n;
break;
}
//FtpCmd ftpCmd = FtpCmd.parse(cmd.CmdStr);
var param = cmd.ParamStr;
//SYST�R�}���h���L�����ǂ����̔��f
if (ftpCmd == FtpCmd.Syst){
if (!(bool) Conf.Get("useSyst")){
ftpCmd = FtpCmd.Unknown;
}
}
//�R�}���h�������ȏꍇ�̏���
if (ftpCmd == FtpCmd.Unknown){
//session.StringSend("502 Command not implemented.");
session.StringSend("500 Command not understood.");
}
//QUIT�͂��ł�t����
if (ftpCmd == FtpCmd.Quit){
session.StringSend("221 Goodbye.");
break;
}
if (ftpCmd == FtpCmd.Abor){
session.StringSend("250 ABOR command successful.");
break;
}
// //����́A���O�C���������t���Ȃ��R�}���h����H
// //RNFR�Ŏw�肳�ꂽ�p�X�̖�����
// if (ftpCmd != FtpCmd.Rnfr) {
// session.setRnfrName("");
// }
// �R�}���h�g�ւ�
if (ftpCmd == FtpCmd.Cdup){
param = "..";
ftpCmd = FtpCmd.Cwd;
}
//�s���A�N�Z�X�Ώ� �p�����[�^�ɋɒ[�ɒ���������𑗂荞�܂ꂽ�ꍇ
if (param.Length > 128){
Logger.Set(LogKind.Secure, session.SockCtrl, 1, string.Format("{0} Length={1}", ftpCmd, param.Length));
break;
}
//�f�t�H���g�̃��X�|���X������
//���������ׂĒʉ߂��Ă��܂����ꍇ�A���̕����Ԃ����
//String resStr2 = string.Format("451 {0} error", ftpCmd);
// ���O�C���O�̏���
if (session.CurrentDir == null){
//ftpCmd == FTP_CMD.PASS
//������
//PASS�̑O��USER�R�}���h��K�v�Ƃ���
//sockCtrl.LineSend("503 Login with USER first.");
if (ftpCmd == FtpCmd.User){
if (param == ""){
session.StringSend(string.Format("500 {0}: command requires a parameter.", ftpCmd.ToString().ToUpper()));
continue;
}
result = JobUser(session, param);
} else if (ftpCmd == FtpCmd.Pass){
result = JobPass(session, param);
} else{
//USER�APASS�ȊO�̓G���[��Ԃ�
session.StringSend("530 Please login with USER and PASS.");
}
// ���O�C����̏���
} else{
// �p�����[�^�̊m�F(�p�����[�^�������ꍇ�̓G���[��Ԃ�)
if (param == ""){
if (ftpCmd == FtpCmd.Cwd || ftpCmd == FtpCmd.Type || ftpCmd == FtpCmd.Mkd || ftpCmd == FtpCmd.Rmd || ftpCmd == FtpCmd.Dele || ftpCmd == FtpCmd.Port || ftpCmd == FtpCmd.Rnfr || ftpCmd == FtpCmd.Rnto || ftpCmd == FtpCmd.Stor || ftpCmd == FtpCmd.Retr){
//session.StringSend("500 command not understood:");
session.StringSend(string.Format("500 {0}: command requires a parameter.", ftpCmd.ToString().ToUpper()));
continue;
}
}
// �f�[�^�R�l�N�V�����������ƃG���[�ƂȂ�R�}���h
if (ftpCmd == FtpCmd.Nlst || ftpCmd == FtpCmd.List || ftpCmd == FtpCmd.Stor || ftpCmd == FtpCmd.Retr){
if (session.SockData == null || session.SockData.SockState !=Bjd.sock.SockState.Connect){
session.StringSend("226 data connection close.");
continue;
}
}
// ���[�U�̃A�N�Z�X���ɃG���[�ƂȂ�R�}���h
if (session.OneUser != null){
if (session.OneUser.FtpAcl == FtpAcl.Down){
if (ftpCmd == FtpCmd.Stor || ftpCmd == FtpCmd.Dele || ftpCmd == FtpCmd.Rnfr || ftpCmd == FtpCmd.Rnto || ftpCmd == FtpCmd.Rmd || ftpCmd == FtpCmd.Mkd){
session.StringSend("550 Permission denied.");
continue;
}
} else if (session.OneUser.FtpAcl == FtpAcl.Up){
if (ftpCmd == FtpCmd.Retr || ftpCmd == FtpCmd.Dele || ftpCmd == FtpCmd.Rnfr || ftpCmd == FtpCmd.Rnto || ftpCmd == FtpCmd.Rmd || ftpCmd == FtpCmd.Mkd){
session.StringSend("550 Permission denied.");
continue;
}
}
}
// ���O�C����(�F�؊����j���́AUSER�APASS ��t���Ȃ�
if (ftpCmd == FtpCmd.User || ftpCmd == FtpCmd.Pass){
session.StringSend("530 Already logged in.");
continue;
}
if (ftpCmd == FtpCmd.Noop){
session.StringSend("200 NOOP command successful.");
} else if (ftpCmd == FtpCmd.Pwd || ftpCmd == FtpCmd.Xpwd){
session.StringSend(string.Format("257 \"{0}\" is current directory.", session.CurrentDir.GetPwd()));
} else if (ftpCmd == FtpCmd.Cwd){
result = JobCwd(session, param);
} else if (ftpCmd == FtpCmd.Syst){
var os = Environment.OSVersion;
session.StringSend(string.Format("215 {0}", os.VersionString));
} else if (ftpCmd == FtpCmd.Type){
result = JobType(session, param);
} else if (ftpCmd == FtpCmd.Mkd || ftpCmd == FtpCmd.Rmd || ftpCmd == FtpCmd.Dele){
result = JobDir(session, param, ftpCmd);
} else if (ftpCmd == FtpCmd.Nlst || ftpCmd == FtpCmd.List){
result = JobNlist(session, param, ftpCmd);
} else if (ftpCmd == FtpCmd.Port || ftpCmd == FtpCmd.Eprt){
result = JobPort(session, param, ftpCmd);
} else if (ftpCmd == FtpCmd.Pasv || ftpCmd == FtpCmd.Epsv){
result = JobPasv(session, ftpCmd);
} else if (ftpCmd == FtpCmd.Rnfr){
result = jobRnfr(session, param, ftpCmd);
} else if (ftpCmd == FtpCmd.Rnto){
result = JobRnto(session, param, ftpCmd);
} else if (ftpCmd == FtpCmd.Stor){
result = JobStor(session, param, ftpCmd);
} else if (ftpCmd == FtpCmd.Retr){
result = JobRetr(session, param);
}
}
}
//���O�C�����Ă���ꍇ�́A���O�A�E�g�̃��O��o�͂���
if (session.CurrentDir != null){
//logout
Logger.Set(LogKind.Normal, session.SockCtrl, 13, string.Format("{0}", session.OneUser.UserName));
}
session.SockCtrl.Close();
if (session.SockData != null){
session.SockData.Close();
}
}
private static bool JobUser(Session session, String userName)
{
//���M���ꂽ���[�U����L������
//���[�U�����݂��邩�ǂ����́APASS�R�}���h�̎��_�ŕ]�������
session.UserName = userName;
//���[�U���̗L���E�����ɊW�Ȃ��p�X���[�h�̓��͂𑣂�
session.StringSend(string.Format("331 Password required for {0}.", userName));
return true;
}
protected override void OnSubThread(SockObj sockObj)
{
//セッションごとの情報
var session = new Session((SockTcp)sockObj);
//このコネクションの間、１つづつインクメントしながら使用される
//本来は、切断したポート番号は再利用可能なので、インクリメントの必要は無いが、
//短時間で再利用しようとするとエラーが発生する場合があるので、これを避ける目的でインクリメントして使用している
//グリーティングメッセージの送信
session.StringSend(string.Format("220 {0}", _bannerMessage));
//コネクションを継続するかどうかのフラグ
var result = true;
while (IsLife() && result)
{
//このループは最初にクライアントからのコマンドを１行受信し、最後に、
//sockCtrl.LineSend(resStr)でレスポンス処理を行う
//continueを指定した場合は、レスポンスを返さずに次のコマンド受信に入る（例外処理用）
//breakを指定した場合は、コネクションの終了を意味する（QUIT ABORT 及びエラーの場合）
Thread.Sleep(0);
var cmd = recvCmd(session.SockCtrl);
if (cmd == null)
{
//切断されている
break;
}
if (cmd.Str == "")
{
session.StringSend("500 Invalid command: try being more creative.");
//受信待機中
//Thread.Sleep(100);
continue;
}
//コマンド文字列の解釈
//var ftpCmd = (FtpCmd) Enum.Parse(typeof (FtpCmd), cmd.CmdStr);
var ftpCmd = FtpCmd.Unknown;
foreach (FtpCmd n in Enum.GetValues(typeof(FtpCmd)))
{
if (n.ToString().ToUpper() != cmd.CmdStr.ToUpper())
{
continue;
}
ftpCmd = n;
break;
}
//FtpCmd ftpCmd = FtpCmd.parse(cmd.CmdStr);
var param = cmd.ParamStr;
//SYSTコマンドが有効かどうかの判断
if (ftpCmd == FtpCmd.Syst)
{
if (!(bool)Conf.Get("useSyst"))
{
ftpCmd = FtpCmd.Unknown;
}
}
//コマンドが無効な場合の処理
if (ftpCmd == FtpCmd.Unknown)
{
//session.StringSend("502 Command not implemented.");
session.StringSend("500 Command not understood.");
}
//QUITはいつでも受け付ける
if (ftpCmd == FtpCmd.Quit)
{
session.StringSend("221 Goodbye.");
break;
}
if (ftpCmd == FtpCmd.Abor)
{
session.StringSend("250 ABOR command successful.");
break;
}
// //これは、ログイン中しか受け付けないコマンドかも？
// //RNFRで指定されたパスの無効化
// if (ftpCmd != FtpCmd.Rnfr) {
// session.setRnfrName("");
// }
// コマンド組替え
if (ftpCmd == FtpCmd.Cdup)
{
param = "..";
ftpCmd = FtpCmd.Cwd;
}
//不正アクセス対処 パラメータに極端に長い文字列を送り込まれた場合
if (param.Length > 128)
{
Logger.Set(LogKind.Secure, session.SockCtrl, 1, string.Format("{0} Length={1}", ftpCmd, param.Length));
break;
}
//デフォルトのレスポンス文字列
//処理がすべて通過してしまった場合、この文字列が返される
//String resStr2 = string.Format("451 {0} error", ftpCmd);
// ログイン前の処理
if (session.CurrentDir == null)
{
//ftpCmd == FTP_CMD.PASS
//未実装
//PASSの前にUSERコマンドを必要とする
//sockCtrl.LineSend("503 Login with USER first.");
if (ftpCmd == FtpCmd.User)
{
if (param == "")
{
session.StringSend(string.Format("500 {0}: command requires a parameter.", ftpCmd.ToString().ToUpper()));
continue;
}
result = JobUser(session, param);
}
else if (ftpCmd == FtpCmd.Pass)
{
result = JobPass(session, param);
}
else
{
//USER、PASS以外はエラーを返す
session.StringSend("530 Please login with USER and PASS.");
}
// ログイン後の処理
}
else
{
// パラメータの確認(パラメータが無い場合はエラーを返す)
if (param == "")
{
if (ftpCmd == FtpCmd.Cwd || ftpCmd == FtpCmd.Type || ftpCmd == FtpCmd.Mkd || ftpCmd == FtpCmd.Rmd || ftpCmd == FtpCmd.Dele || ftpCmd == FtpCmd.Port || ftpCmd == FtpCmd.Rnfr || ftpCmd == FtpCmd.Rnto || ftpCmd == FtpCmd.Stor || ftpCmd == FtpCmd.Retr)
{
//session.StringSend("500 command not understood:");
session.StringSend(string.Format("500 {0}: command requires a parameter.", ftpCmd.ToString().ToUpper()));
continue;
}
}
// データコネクションが無いとエラーとなるコマンド
if (ftpCmd == FtpCmd.Nlst || ftpCmd == FtpCmd.List || ftpCmd == FtpCmd.Stor || ftpCmd == FtpCmd.Retr)
{
if (session.SockData == null || session.SockData.SockState != Bjd.sock.SockState.Connect)
{
session.StringSend("226 data connection close.");
continue;
}
}
// ユーザのアクセス権にエラーとなるコマンド
if (session.OneUser != null)
{
if (session.OneUser.FtpAcl == FtpAcl.Down)
{
if (ftpCmd == FtpCmd.Stor || ftpCmd == FtpCmd.Dele || ftpCmd == FtpCmd.Rnfr || ftpCmd == FtpCmd.Rnto || ftpCmd == FtpCmd.Rmd || ftpCmd == FtpCmd.Mkd)
{
session.StringSend("550 Permission denied.");
continue;
}
}
else if (session.OneUser.FtpAcl == FtpAcl.Up)
{
if (ftpCmd == FtpCmd.Retr || ftpCmd == FtpCmd.Dele || ftpCmd == FtpCmd.Rnfr || ftpCmd == FtpCmd.Rnto || ftpCmd == FtpCmd.Rmd || ftpCmd == FtpCmd.Mkd)
{
session.StringSend("550 Permission denied.");
continue;
}
}
}
// ログイン中(認証完了）時は、USER、PASS を受け付けない
if (ftpCmd == FtpCmd.User || ftpCmd == FtpCmd.Pass)
{
session.StringSend("530 Already logged in.");
continue;
}
if (ftpCmd == FtpCmd.Noop)
{
session.StringSend("200 NOOP command successful.");
}
else if (ftpCmd == FtpCmd.Pwd || ftpCmd == FtpCmd.Xpwd)
{
session.StringSend(string.Format("257 \"{0}\" is current directory.", session.CurrentDir.GetPwd()));
}
else if (ftpCmd == FtpCmd.Cwd)
{
result = JobCwd(session, param);
}
else if (ftpCmd == FtpCmd.Syst)
{
var os = Environment.OSVersion;
session.StringSend(string.Format("215 {0}", os.VersionString));
}
else if (ftpCmd == FtpCmd.Type)
{
result = JobType(session, param);
}
else if (ftpCmd == FtpCmd.Mkd || ftpCmd == FtpCmd.Rmd || ftpCmd == FtpCmd.Dele)
{
result = JobDir(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Nlst || ftpCmd == FtpCmd.List)
{
result = JobNlist(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Port || ftpCmd == FtpCmd.Eprt)
{
result = JobPort(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Pasv || ftpCmd == FtpCmd.Epsv)
{
result = JobPasv(session, ftpCmd);
}
else if (ftpCmd == FtpCmd.Size)
// 6.2.0.1 ローカルでSIZEコマンドが必要なので追加した(RFC:3659)
{
result = JobSize(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Rnfr)
{
result = jobRnfr(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Rnto)
{
result = JobRnto(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Stor)
{
result = JobStor(session, param, ftpCmd);
}
else if (ftpCmd == FtpCmd.Retr)
{
result = JobRetr(session, param);
}
}
}
//ログインしている場合は、ログアウトのログを出力する
if (session.CurrentDir != null)
{
//logout
Logger.Set(LogKind.Normal, session.SockCtrl, 13, string.Format("{0}", session.OneUser.UserName));
}
session.SockCtrl.Close();
if (session.SockData != null)
{
session.SockData.Close();
}
}
private bool JobPass(Session session, String password)
{
//まだUSERコマンドが到着していない場合
if (session.UserName == null)
{
session.StringSend("503 Login with USER first.");
return(true);
}
//ユーザ情報検索
session.OneUser = _listUser.Get(session.UserName);
if (session.OneUser == null)
{
//無効なユーザの場合
Logger.Set(LogKind.Secure, session.SockCtrl, 14, string.Format("USER:{0} PASS:{1}", session.UserName, password));
}
else
{
//パスワード確認
bool success = false;
// *の場合、Anonymous接続として処理する
if (session.OneUser.Password == "*")
{
//oneUser.UserName = string.Format("{0}(ANONYMOUS)",oneUser.UserName);
Logger.Set(LogKind.Normal, session.SockCtrl, 5, string.Format("{0}(ANONYMOUS) {1}", session.OneUser.UserName, password));
success = true;
}
else if (session.OneUser.Password == password)
{
Logger.Set(LogKind.Secure, session.SockCtrl, 6, string.Format("{0}", session.OneUser.UserName));
success = true;
}
if (success)
{
//以下、パスワード認証に成功した場合の処理
//ホームディレクトリの存在確認
//サーバ起動（運営）中にディレクトリが削除されている可能性があるので、この時点で確認する
if (Util.Exists(session.OneUser.HomeDir) != ExistsKind.Dir)
{
//ホームディレクトリが存在しません（処理が継続できないため切断しました
Logger.Set(LogKind.Error, session.SockCtrl, 2, string.Format("userName={0} hoemDir={1}", session.OneUser.UserName, session.OneUser.HomeDir));
return(false);
}
//ログイン成功 （カレントディレクトリは、ホームディレクトリで初期化される）
session.CurrentDir = new CurrentDir(session.OneUser.HomeDir, _listMount);
session.StringSend(string.Format("230 User {0} logged in.", session.UserName));
return(true);
}
//以下認証失敗処理
Logger.Set(LogKind.Secure, session.SockCtrl, 15, string.Format("USER:{0} PASS:{1}", session.UserName, password));
}
var reservationTime = (int)Conf.Get("reservationTime");
//ブルートフォース防止のためのウエイト(5秒)
for (int i = 0; i < reservationTime / 100 && IsLife(); i++)
{
Thread.Sleep(100);
}
//認証に失敗した場合の処理
session.StringSend("530 Login incorrect.");
return(true);
}
private bool JobType(Session session, String param)
{
String resStr;
switch (param.ToUpper()[0]){
case 'A':
session.FtpType = FtpType.Ascii;
resStr = "200 Type set 'A'";
break;
case 'I':
session.FtpType = FtpType.Binary;
resStr = "200 Type set 'I'";
break;
default:
resStr = "500 command not understood.";
break;
}
session.StringSend(resStr);
return true;
}
private bool JobPass(Session session, String password)
{
//�܂�USER�R�}���h���������Ă��Ȃ��ꍇ
if (session.UserName == null){
session.StringSend("503 Login with USER first.");
return true;
}
//���[�U���
session.OneUser = _listUser.Get(session.UserName);
if (session.OneUser == null){
//�����ȃ��[�U�̏ꍇ
Logger.Set(LogKind.Secure, session.SockCtrl, 14, string.Format("USER:{0} PASS:{1}", session.UserName, password));
} else{
//�p�X���[�h�m�F
bool success = false;
// *�̏ꍇ�AAnonymous�ڑ��Ƃ��ď�������
if (session.OneUser.Password == "*"){
//oneUser.UserName = string.Format("{0}(ANONYMOUS)",oneUser.UserName);
Logger.Set(LogKind.Normal, session.SockCtrl, 5, string.Format("{0}(ANONYMOUS) {1}", session.OneUser.UserName, password));
success = true;
} else if (session.OneUser.Password == password){
Logger.Set(LogKind.Secure, session.SockCtrl, 6, string.Format("{0}", session.OneUser.UserName));
success = true;
}
if (success){
//�ȉ��A�p�X���[�h�F�ɐ��������ꍇ�̏���
//�z�[���f�B���N�g���̑��݊m�F
//�T�[�o�N���i�^�c�j���Ƀf�B���N�g�����폜����Ă���\��������̂ŁA���̎��_�Ŋm�F����
if (Util.Exists(session.OneUser.HomeDir) != ExistsKind.Dir){
//�z�[���f�B���N�g�������݂��܂���i�������p���ł��Ȃ����ߐؒf���܂���
Logger.Set(LogKind.Error, session.SockCtrl, 2, string.Format("userName={0} hoemDir={1}", session.OneUser.UserName, session.OneUser.HomeDir));
return false;
}
//���O�C������ �i�J�����g�f�B���N�g���́A�z�[���f�B���N�g���ŏ����������j
session.CurrentDir = new CurrentDir(session.OneUser.HomeDir, _listMount);
session.StringSend(string.Format("230 User {0} logged in.", session.UserName));
return true;
}
//�ȉ��F�؎��s����
Logger.Set(LogKind.Secure, session.SockCtrl, 15, string.Format("USER:{0} PASS:{1}", session.UserName, password));
}
var reservationTime = (int) Conf.Get("reservationTime");
//�u���[�g�t�H�[�X�h�~�̂��߂̃E�G�C�g(5�b)
for (int i = 0; i < reservationTime/100 && IsLife(); i++){
Thread.Sleep(100);
}
//�F�Ɏ��s�����ꍇ�̏���
session.StringSend("530 Login incorrect.");
return true;
}
private bool jobRnfr(Session session, String param, FtpCmd ftpCmd)
{
var path = session.CurrentDir.CreatePath(null, param, false);
//Ver6.0.3 �f�B���N�g���g���o�[�T��
if (path == null) {
session.StringSend("550 Permission denied.");
return false;
}
if (Util.Exists(path) != ExistsKind.None){
session.RnfrName = path;
session.StringSend("350 File exists, ready for destination name.");
return true;
}
session.StringSend(string.Format("451 {0} error.", ftpCmd));
return true;
}
private static bool JobCwd(Session session, String param)
{
if (session.CurrentDir.Cwd(param)){
session.StringSend("250 CWD command successful.");
} else{
session.StringSend(string.Format("550 {0}: No such file or directory.", param));
}
return true;
}
private bool JobPasv(Session session, FtpCmd ftpCmd)
{
var port = session.Port;
var ip = session.SockCtrl.LocalIp;
// �f�[�^�X�g���[���̃\�P�b�g�̍쐬
for (int i = 0; i < 100; i++){
port++;
if (port >= 9999){
port = 2000;
}
//�o�C���h�\���ǂ����̊m�F
if (SockServer.IsAvailable(Kernel,ip, port)){
//����
if (ftpCmd == FtpCmd.Epsv){
//Java fix Ver5.8.3
//session.StringSend(string.Format("229 Entering Extended Passive Mode. (|||{0}|)", port));
session.StringSend(string.Format("229 Entering Extended Passive Mode (|||{0}|)", port));
} else {
var ipStr = ip.ToString();
//Java fix Ver5.8.3
//session.StringSend(string.Format("227 Entering Passive Mode. ({0},{1},{2})", ipStr.Replace('.',','), port/256, port%256));
session.StringSend(string.Format("227 Entering Passive Mode ({0},{1},{2})", ipStr.Replace('.', ','), port / 256, port % 256));
}
//�w�肵���A�h���X�E�|�[�g�ő҂���
var sockData = SockServer.CreateConnection(Kernel,ip, port, null, this);
if (sockData == null){
//�ڑ����s
return false;
}
if (sockData.SockState != Bjd.sock.SockState.Error){
//�Z�b�V�������̕ۑ�
session.Port = port;
session.SockData = sockData;
return true;
}
}
}
session.StringSend("500 command not understood:");
return true;
}
