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134 lines
4.3 KiB
134 lines
4.3 KiB
/*
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* Copyright (c) 1999,2000 Alex Zepeda
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#ifndef _POP3_H
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#define _POP3_H
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#include <sys/types.h>
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#include <sys/time.h>
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#include <stdio.h>
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#include <tqstring.h>
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#include <tdeio/tcpslavebase.h>
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#define MAX_PACKET_LEN 4096
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class POP3Protocol:public TDEIO::TCPSlaveBase {
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public:
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POP3Protocol(const TQCString & pool, const TQCString & app, bool SSL);
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virtual ~ POP3Protocol();
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virtual void setHost(const TQString & host, int port,
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const TQString & user, const TQString & pass);
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virtual void special(const TQByteArray & aData);
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virtual void get(const KURL & url);
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virtual void stat(const KURL & url);
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virtual void del(const KURL & url, bool isfile);
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virtual void listDir(const KURL & url);
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protected:
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ssize_t myRead(void *data, ssize_t len);
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ssize_t myReadLine(char *data, ssize_t len);
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/**
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* This returns the size of a message as a long integer.
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* This is useful as an internal member, because the "other"
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* getSize command will emit a signal, which would be harder
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* to trap when doing something like listing a directory.
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*/
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size_t realGetSize(unsigned int msg_num);
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/**
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* Send a command to the server. Using this function, getResponse
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* has to be called separately.
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*/
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bool sendCommand(const char *cmd);
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enum Resp{Err, Ok, Cont, Invalid};
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/**
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* Send a command to the server, and wait for the one-line-status
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* reply via getResponse. Similar rules apply. If no buffer is
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* specified, no data is passed back.
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*/
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Resp command(const char *buf, char *r_buf = 0, unsigned int r_len = 0);
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/**
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* All POP3 commands will generate a response. Each response will
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* either be prefixed with a "+OK " or a "-ERR ". The getResponse
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* function will wait until there's data to be read, and then read in
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* the first line (the response), and copy the response sans +OK/-ERR
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* into a buffer (up to len bytes) if one was passed to it.
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*/
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Resp getResponse(char *buf, unsigned int len, const char *command);
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/** Call int pop3_open() and report an error, if if fails */
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void openConnection();
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/**
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* Attempt to properly shut down the POP3 connection by sending
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* "QUIT\r\n" before closing the socket.
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*/
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void closeConnection();
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/**
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* Attempt to initiate a POP3 connection via a TCP socket. If no port
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* is passed, port 110 is assumed, if no user || password is
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* specified, the user is prompted for them.
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*/
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bool pop3_open();
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/**
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* Authenticate via APOP
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*/
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int loginAPOP( char *challenge, TDEIO::AuthInfo &ai );
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bool saslInteract( void *in, TDEIO::AuthInfo &ai );
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/**
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* Authenticate via SASL
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*/
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int loginSASL( TDEIO::AuthInfo &ai );
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/**
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* Authenticate via traditional USER/PASS
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*/
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bool loginPASS( TDEIO::AuthInfo &ai );
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int m_cmd;
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unsigned short int m_iOldPort;
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struct timeval m_tTimeout;
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TQString m_sOldServer, m_sOldPass, m_sOldUser;
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TQString m_sServer, m_sPass, m_sUser;
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bool m_try_apop, m_try_sasl, opened, supports_apop;
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TQString m_sError;
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char readBuffer[MAX_PACKET_LEN];
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ssize_t readBufferLen;
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};
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#endif
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