1 files changed, 143 insertions, 0 deletions
diff --git a/Sockets/SmtpdSocket.h b/Sockets/SmtpdSocket.h
new file mode 100644
index 0000000..d884d05
--- /dev/null
+++ b/Sockets/SmtpdSocket.h
@@ -0,0 +1,143 @@
+/**
+ **	\file SmtpdSocket.h
+ **	\date  2007-05-10
+ **	\author grymse@alhem.net
+**/
+/*
+Copyright (C) 2007  Anders Hedstrom
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+#ifndef _SOCKETS_SmtpdSocket_H
+#define _SOCKETS_SmtpdSocket_H
+
+#include "sockets-config.h"
+#include <string>
+#include "TcpSocket.h"
+
+#ifdef SOCKETS_NAMESPACE
+namespace SOCKETS_NAMESPACE {
+#endif
+
+
+/** Smtp server base class. */
+class SmtpdSocket : public TcpSocket
+{
+protected:
+	typedef enum {
+		SMTP_NO_HELLO,
+		SMTP_NAME_TOO_LONG,
+		SMTP_DOMAIN_TOO_LONG,
+		SMTP_QUIT
+	} reason_t;
+
+public:
+	class EmailAddress {
+	public:
+		EmailAddress(const std::string& str_in)
+		{
+			std::string str = str_in;
+			size_t i = str.find("<");
+			if (i != std::string::npos)
+				str = str.substr(i + 1);
+			i = str.find("@");
+			if (i != std::string::npos)
+			{
+				m_name = str.substr(0, i);
+				str = str.substr(i + 1);
+				i = str.find(">");
+				if (i != std::string::npos)
+					str = str.substr(0, i);
+				m_domain = str;
+			}
+			while (m_name.size() && m_name[m_name.size() - 1] == ' ')
+				m_name.resize(m_name.size() - 1);
+			while (m_domain.size() && m_domain[m_domain.size() - 1] == ' ')
+				m_domain.resize(m_domain.size() - 1);
+			while (m_name.size() && m_name[0] == ' ')
+				m_name = m_name.substr(1);
+			while (m_domain.size() && m_domain[0] == ' ')
+				m_domain = m_domain.substr(1);
+			m_top = m_domain;
+			{
+				for (size_t i = 0; i < m_domain.size(); i++)
+				{
+					if (m_domain[i] == '.')
+					{
+						m_sub = m_top;
+						m_top = m_domain.substr(i + 1);
+					}
+				}
+			}
+		}
+
+		const std::string& GetName() const { return m_name; }
+		const std::string& GetDomain() const { return m_domain; }
+		const std::string& GetTopDomain() const { return m_top; }
+		const std::string& GetSubDomain() const { return m_sub; }
+
+		std::string ToString() const { return m_name + "@" + m_domain; }
+
+	private:
+		std::string m_name;
+		std::string m_domain;
+		std::string m_top;
+		std::string m_sub;
+	};
+
+public:
+	SmtpdSocket(ISocketHandler&);
+
+	void OnAccept();
+	void OnLine(const std::string&);
+
+	/** \return 'false' to abort */
+	virtual bool OnHello(const std::string& domain) = 0;
+
+	/** \return 'false' to abort */
+	virtual bool OnMailFrom(const EmailAddress& addr) = 0;
+
+	/** \return 'false' to abort */
+	virtual bool OnRcptTo(const EmailAddress& addr) = 0;
+
+	virtual void OnHeader(const std::string& key, const std::string& value) = 0;
+
+	virtual void OnHeaderComplete() = 0;
+
+	virtual void OnData(const std::string& line) = 0;
+
+	/** \return 'false' if message write failed (message will probably be resent) */
+	virtual bool OnDataComplete() = 0;
+
+	virtual void OnRset() = 0;
+
+	virtual void OnAbort(reason_t) = 0;
+
+	virtual void OnNotSupported(const std::string& cmd, const std::string& arg) = 0;
+
+private:
+	bool m_hello; // we need HELO or EHLO first of all
+	bool m_data;
+	bool m_header;
+	std::string m_header_line;
+};
+
+
+#ifdef SOCKETS_NAMESPACE
+} // namespace SOCKETS_NAMESPACE {
+#endif
+
+#endif // _SOCKETS_SmtpdSocket_H
+