private void OnCommandManagerUpdateMessage(object sender, SMTP.Commands.CommandEvent.CommandEventArgs e)
{
MessageEventArgs mea = new MessageEventArgs(e.Message);
mea.Type=(MessageEventType)(int)e.Type;
this.WriteLog(sender, mea);
}
static void ConnectFunc(object client_obj)
{
string[] split;
byte[] msg;
DBMySQL db = new DBMySQL();
Byte[] bytes = new Byte[256];
String data = null;
TcpClient client = client_obj as TcpClient;
data = null;
NetworkStream stream = client.GetStream();
SMTP smtp = new SMTP();
int i;
while ((i = stream.Read(bytes, 0, bytes.Length)) != 0)
{
data = System.Text.Encoding.ASCII.GetString(bytes, 0, i);
//parse input data on words
split = data.Split(new Char[] { ' ' });
switch (split[0])//first word - command, second - argument
{
case "QUIT":
msg = System.Text.Encoding.ASCII.GetBytes(smtp.GenerateAnswerQuit());
stream.Write(msg, 0, msg.Length);
client.Close();
return;
case "HELO":
msg = System.Text.Encoding.ASCII.GetBytes("250 domain name should be qualified");
break;
case "DATA":
if (smtp.User != "")
{
msg = System.Text.Encoding.ASCII.GetBytes("354 Enter mail, end with \".\" on a line by itself");
stream.Write(msg, 0, msg.Length);
i = stream.Read(bytes, 0, bytes.Length);
data = System.Text.Encoding.ASCII.GetString(bytes, 0, i);
db.InsertSendMail(smtp.User, data);
msg = System.Text.Encoding.ASCII.GetBytes("250 message accepted for delivery");
}
else
{
msg = System.Text.Encoding.ASCII.GetBytes("No deliver. Need \"RCPT TO:\" first");
}
break;
case "RCPT":
if(split[1] == "TO:")
{
if(split[2] != "")
{
string CHECK_RIGHT_USER_NAME = "";
string CHECK_RIGHT_EMAIL_ADRR = "";
CHECK_RIGHT_EMAIL_ADRR = split[2];
CHECK_RIGHT_USER_NAME = db.User(CHECK_RIGHT_EMAIL_ADRR);
if (CHECK_RIGHT_USER_NAME != "Err" && CHECK_RIGHT_USER_NAME != "")
{
smtp.Receiver = CHECK_RIGHT_EMAIL_ADRR;
smtp.User = CHECK_RIGHT_USER_NAME;
msg = System.Text.Encoding.ASCII.GetBytes(smtp.GenerateAnswerOK(smtp.Receiver));
}
else if (smtp.User == "")
{
msg = System.Text.Encoding.ASCII.GetBytes("550 " + split[2] + " unknown user account");
}
else
{
smtp.User = "";
msg = System.Text.Encoding.ASCII.GetBytes("Command not implemented");
}
}
else
msg = System.Text.Encoding.ASCII.GetBytes(smtp.GenerateAnswerErrArgument());
}
else
msg = System.Text.Encoding.ASCII.GetBytes(smtp.GenerateAnswerErrCommand());
break;
case "HELLO"://handshake
msg = System.Text.Encoding.ASCII.GetBytes(smtp.GenerateAnswerHello());
break;
default:
msg = System.Text.Encoding.ASCII.GetBytes(smtp.GenerateAnswerErrCommand());
break;
}
stream.Write(msg, 0, msg.Length);
}
client.Close();
}