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/*
* Copyright (c) 1999,2000 Alex Zepeda
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
*/
#ifndef _POP3_H
#define _POP3_H
#include <sys/types.h>
#include <sys/time.h>
#include <stdio.h>
#include <tqstring.h>
#include <kio/tcpslavebase.h>
#define MAX_PACKET_LEN 4096
class POP3Protocol:public KIO::TCPSlaveBase {
public:
POP3Protocol(const TQCString & pool, const TQCString & app, bool SSL);
virtual ~ POP3Protocol();
virtual void setHost(const TQString & host, int port,
const TQString & user, const TQString & pass);
virtual void special(const TQByteArray & aData);
virtual void get(const KURL & url);
virtual void stat(const KURL & url);
virtual void del(const KURL & url, bool isfile);
virtual void listDir(const KURL & url);
protected:
ssize_t myRead(void *data, ssize_t len);
ssize_t myReadLine(char *data, ssize_t len);
/**
* This returns the size of a message as a long integer.
* This is useful as an internal member, because the "other"
* getSize command will emit a signal, which would be harder
* to trap when doing something like listing a directory.
*/
size_t realGetSize(unsigned int msg_num);
/**
* Send a command to the server. Using this function, getResponse
* has to be called separately.
*/
bool sendCommand(const char *cmd);
enum Resp{Err, Ok, Cont, Invalid};
/**
* Send a command to the server, and wait for the one-line-status
* reply via getResponse. Similar rules apply. If no buffer is
* specified, no data is passed back.
*/
Resp command(const char *buf, char *r_buf = 0, unsigned int r_len = 0);
/**
* All POP3 commands will generate a response. Each response will
* either be prefixed with a "+OK " or a "-ERR ". The getResponse
* function will wait until there's data to be read, and then read in
* the first line (the response), and copy the response sans +OK/-ERR
* into a buffer (up to len bytes) if one was passed to it.
*/
Resp getResponse(char *buf, unsigned int len, const char *command);
/** Call int pop3_open() and report an error, if if fails */
void openConnection();
/**
* Attempt to properly shut down the POP3 connection by sending
* "QUIT\r\n" before closing the socket.
*/
void closeConnection();
/**
* Attempt to initiate a POP3 connection via a TCP socket. If no port
* is passed, port 110 is assumed, if no user || password is
* specified, the user is prompted for them.
*/
bool pop3_open();
/**
* Authenticate via APOP
*/
int loginAPOP( char *challenge, KIO::AuthInfo &ai );
bool saslInteract( void *in, KIO::AuthInfo &ai );
/**
* Authenticate via SASL
*/
int loginSASL( KIO::AuthInfo &ai );
/**
* Authenticate via traditional USER/PASS
*/
bool loginPASS( KIO::AuthInfo &ai );
int m_cmd;
unsigned short int m_iOldPort;
struct timeval m_tTimeout;
TQString m_sOldServer, m_sOldPass, m_sOldUser;
TQString m_sServer, m_sPass, m_sUser;
bool m_try_apop, m_try_sasl, opened, supports_apop;
TQString m_sError;
char readBuffer[MAX_PACKET_LEN];
ssize_t readBufferLen;
};
#endif
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