protected override string BeforeJob(SockTcp client,List<byte[]> clientBuf)
{
Protocol = MailProxyProtocol.Pop3;
//挨拶文をサーバに変わって送出する
client.AsciiSend("+OK ");
//USER コマンドを受け付けるまでループ(最大５回)する
for(var i=0;i<5;i++) {
var buf = client.LineRecv(Timeout,this);
if(buf != null) {
var str = Inet.TrimCrlf(Encoding.ASCII.GetString(buf));
if(str.ToUpper().IndexOf("USER") == 0) {
clientBuf.Add(buf);
var tmp = str.Split(' ');
if(tmp.Length >= 2) {
return tmp[1];//ユーザ名
}
} else if(str.ToUpper().IndexOf("QUIT") == 0) {
return null;
} else {
client.AsciiSend("-ERR ");
}
}else{
Thread.Sleep(300);
}
}
return null;
}
protected override string BeforeJob(SockTcp client,List<byte[]> clientBuf)
{
Protocol = MailProxyProtocolKind.Smtp;
//挨拶文をサーバに変わって送出する
client.AsciiSend("220 SMTP-Proxy");
while(clientBuf.Count<5) {
var buf = client.LineRecv(Timeout,this);
if(buf == null)
return null;//タイムアウト
//Ver5.8.6
//var str = Inet.TrimCrlf(Encoding.ASCII.GetString(buf));
buf = Inet.TrimCrlf(buf);
var str = Encoding.ASCII.GetString(buf);
//Ver5,3,4 RESTコマンドは蓄積がプロトコル上できないのでサーバへは送らない
if(str.ToUpper().IndexOf("RSET")!=0)
clientBuf.Add(buf);
if(str.ToUpper().IndexOf("QUIT") != -1) {
return null;
}
if(clientBuf.Count > 1) {
if(str.ToUpper().IndexOf("MAIL FROM:") != -1) {
var mailAddress = str.Substring(str.IndexOf(":") + 1);
mailAddress = mailAddress.Trim();
mailAddress = mailAddress.Trim(new[] { '<','>' });
return mailAddress;//メールアドレス
}
}
client.AsciiSend("250 OK");
}
return null;
}
bool Login(SockTcp sockTcp,ref Pop3LoginState mode,ref MessageList messageList,string user,Ip addr)
{
//var folder = Kernel.MailBox.Login(user, addr);
if(!Kernel.MailBox.Login(user, addr)){
Logger.Set(LogKind.Secure,sockTcp,1,string.Format("user={0}",user));
sockTcp.AsciiSend("-ERR Double login");
return false;
}
var folder = string.Format("{0}\\{1}", Kernel.MailBox.Dir, user);
messageList = new MessageList(folder);//������
//if (kernel.MailBox.Login(user, addr)) {//POP before SMTP�̂��߂ɁA�Ō�̃��O�C���A�h���X��ۑ�����
mode = Pop3LoginState.Login;
Logger.Set(LogKind.Normal,sockTcp,2,string.Format("User {0} from {1}[{2}]",user,sockTcp.RemoteHostname,sockTcp.RemoteAddress.Address));
// LOGIN
//dfList = kernel.MailBox.GetDfList(user);
sockTcp.AsciiSend(string.Format("+OK {0} has {1} message ({2} octets).",user,messageList.Count,messageList.Size));
return true;
}
void AuthError(SockTcp sockTcp,string user,string pass)
{
Logger.Set(LogKind.Secure,sockTcp,3,string.Format("user={0} pass={1}",user,pass));
// �F�̃G���[�͂����ɕԓ���Ԃ��Ȃ�
var authTimeout = (int)Conf.Get("authTimeout");
for (int i = 0; i < (authTimeout * 10) && IsLife(); i++) {
Thread.Sleep(100);
}
sockTcp.AsciiSend(string.Format("-ERR Password supplied for {0} is incorrect.",user));
}
//通常はこれを使用する
public bool Recv(SockTcp sockTcp, int sec,Logger logger, ILife iLife)
{
var dtLast = DateTime.Now; //受信が20秒無かった場合は、処理を中断する
while (iLife.IsLife()){
if (dtLast.AddSeconds(sec) < DateTime.Now){
return false; //タイムアウト
}
var len = sockTcp.Length();
if (len == 0){
continue;
}
var buf = sockTcp.Recv(len, sec, iLife);
if (buf == null){
return false; //切断された
}
dtLast = DateTime.Now;
var recvStatus = Append(buf);
if (recvStatus == RecvStatus.Limit){
//サイズ制限
if (logger != null){
logger.Set(LogKind.Secure, sockTcp, 7, string.Format("Limit:{0}KByte", _sizeLimit));
}
sockTcp.AsciiSend("552 Requested mail action aborted: exceeded storage allocation");
return false;
}
if (recvStatus == RecvStatus.Finish){
return true;
}
}
return false;
}
//string esmtpUser��null�łȂ��ꍇ�ASMTP�F��g�p����
public SmtpClientResult Send(SockTcp sockTcp,string serverName,Mail mail,MailAddress from,MailAddress to,string authUser,string authPass,ILife iLife)
{
var state = State.Ehlo;
const int timeout = 3;
var result = SmtpClientResult.Faild;
//AUTH_STATE authState = AUTH_STATE.LOGIN;
var smtpAuthClient = new SmtpAuthClient(authUser,authPass);
LastLog.Clear();//���M���s���̋L�^�̓N���A����
while (iLife.IsLife()) {
//********************************************************************
// �T�[�o����̃��X�|���X�R�[�h(response)��M
//********************************************************************
int response;
//var recvBuf = sockTcp.LineRecv(timeout,OperateCrlf.No,ref life);
//Ver5.7.3 �^�C���A�E�g���������āA�Ԏ��̒x���T�[�o�ŃG���[�ƂȂ��Ă��܂�
var recvBuf = sockTcp.LineRecv(timeout+30, iLife);
if (recvBuf == null) {
//���M���s���̍Ō�̑���M�L�^
LastLog.Add(sockTcp.LastLineSend);
//LastLog.Add(recvStr);
break;
}
if(recvBuf.Length==0){
Thread.Sleep(10);
continue;
}
recvBuf = Inet.TrimCrlf(recvBuf);//\r\n�̔r��
var recvStr = Encoding.ASCII.GetString(recvBuf);
if (state == State.Ehlo) {
smtpAuthClient.Ehlo(recvStr);//AUTH�̑Ή���擾
}
if (recvStr[3] == '-') {
//string paramStr = recvStr.Substring(4);
continue;
}
if (recvStr.IndexOf(' ') == 3) {
response = Convert.ToInt32(recvStr.Substring(0, 3));
} else {
//���M���s���̍Ō�̑���M�L�^
LastLog.Add(sockTcp.LastLineSend);
LastLog.Add(recvStr);
break;
}
//********************************************************************
// ��M�������X�|���X�R�[�h(response)�ɂ����(mode)�̕ύX
//********************************************************************
if (response == 220) {
state = State.Ehlo;
} else if (response == 221) {
if (state == State.Quit)
break;
} else if (response == 250) {
if (state == State.Ehlo || state == State.Helo) {
state = State.Mail;
} else if (state == State.Mail) {
state = State.Rcpt;
} else if (state == State.Rcpt) {
state = State.Data;
} else if (state == State.Send) {
result = SmtpClientResult.Success;//���M����
state = State.Quit;
}
} else if (response == 354) {
if (state == State.Data)
state = State.Send;
} else if (response / 100 == 5) {
// �]����SMTP�F��K�v�Ƃ��Ȃ��ꍇ�AEHLO�Ɏ��s������HELO�ōĐڑ�����݂�
//if (Mode == 1 && TryEhlo && SmtpAuthClient == NULL) {
if (state == State.Ehlo) {
state = State.Helo;//HELO��500�������ꍇ�̓G���[�����ɉ��
} else {//���M���s
//���M���s���̍Ō�̑���M�L�^
LastLog.Add(sockTcp.LastLineSend);
LastLog.Add(recvStr);
result = SmtpClientResult.ErrorCode;//�G���[�R�[�h��M
state = State.Quit;
}
}
//SMTP�F��
var ret = smtpAuthClient.Set(recvStr);
if (ret != null) {
sockTcp.AsciiSend(ret);
continue;
}
//********************************************************************
// ���(mode)���Ƃ̏���
//********************************************************************
if (state == State.Ehlo) {
sockTcp.AsciiSend(string.Format("EHLO {0}",serverName));
}else if (state == State.Helo) {
sockTcp.AsciiSend(string.Format("HELO {0}",serverName));
} else if (state == State.Mail) {
//Ver5.0.0-a24
//sockTcp.AsciiSend(string.Format("MAIL From:{0}",from),OPERATE_CRLF.YES);
sockTcp.AsciiSend(string.Format("MAIL From: <{0}>",from));
} else if(state == State.Rcpt) {
//Ver5.0.0-a24
//sockTcp.AsciiSend(string.Format("RCPT To:{0}",to),OPERATE_CRLF.YES);
sockTcp.AsciiSend(string.Format("RCPT To: <{0}>",to));
} else if(state == State.Data) {
sockTcp.AsciiSend("DATA");
} else if (state == State.Send) {
if (mail == null) {
//���M���s���̍Ō�̑���M�L�^
LastLog.Add(sockTcp.LastLineSend);
LastLog.Add(recvStr);
break;//�G���[����
}
const int count = -1; //count ���M����{���̍s���i-1�̏ꍇ�͑S���j
if (!mail.Send(sockTcp, count)){
//_logger.Set(LogKind.Error, null, 9000058, ex.Message);
//mail.GetLastError()�𖢏���
break;//�G���[����
}
sockTcp.AsciiSend(".");
} else if (state == State.Quit) {
sockTcp.AsciiSend("QUIT");
}
}
return result;
}
