D:/opendownloadmanager/ODM-1.x/InetFile/fsFtpConnection.cpp

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/*
  Free Download Manager Copyright (c) 2003-2007 FreeDownloadManager.ORG
  Open Download Manager Copyright (c) 2008-2010 OpenDownloadManager.ORG
*/        

#include "fsFtpConnection.h"
#include "fsInternetSession.h"
#include "common.h"
#include "system.h"
#include <stdio.h>        

fsFtpConnection::fsFtpConnection()
{
        m_bPassiveMode = FALSE;
}

fsFtpConnection::~fsFtpConnection()
{

}

fsInternetResult fsFtpConnection::Connect(LPCSTR pszServer, LPCSTR pszUser, LPCSTR pszPassword, INTERNET_PORT nPort)
{
        fsInternetResult ir;

        if (!m_pSession)
                return IR_NOTINITIALIZED;

        
        HINTERNET hSession = m_pSession->GetHandle ();

        if (!hSession)
                return IR_NOTINITIALIZED;

        if (m_hServer)
                InternetCloseHandle (m_hServer);

        m_hServer = InternetConnect (hSession, pszServer, nPort, pszUser, pszPassword, 
                                        INTERNET_SERVICE_FTP, m_bPassiveMode ? INTERNET_FLAG_PASSIVE : 0,
                                        NULL);

        if (m_hServer == NULL) 
        {
                ir = fsWinInetErrorToIR ();     
                DialogFtpResponse ();           
                if (ir == IR_EXTERROR)          
                        ReceiveExtError ();             
                return ir;
        }

        DialogFtpResponse ();

        m_strServer = pszServer;
        m_uPort = nPort;

        return IR_SUCCESS;
}

void fsFtpConnection::UsePassiveMode(BOOL bUse)
{
        m_bPassiveMode = bUse;
}

void fsFtpConnection::ReceiveExtError()
{
        SAFE_DELETE_ARRAY (m_pszLastError);
        DWORD dwLen = 0;
        DWORD dwErr;

        InternetGetLastResponseInfo (&dwErr, NULL, &dwLen);

        if (::GetLastError () == ERROR_INSUFFICIENT_BUFFER)     
        {
                dwLen ++;       
                fsnew (m_pszLastError, char, dwLen);    
                InternetGetLastResponseInfo (&dwErr, m_pszLastError, &dwLen);   
        }
}

fsInternetResult fsFtpConnection::SetCurrentDirectory(LPCSTR pszDir)
{
        char szCmd [1000];
        sprintf (szCmd, "CWD %s", pszDir);
        Dialog (IFDD_TOSERVER, szCmd);  
                                                                        

        if (!FtpSetCurrentDirectory (m_hServer, pszDir))
        {
                fsInternetResult ir = fsWinInetErrorToIR ();
                if (ir == IR_EXTERROR)
                        ReceiveExtError ();
                DialogFtpResponse ();
                return ir;
        }

        DialogFtpResponse ();   
        return IR_SUCCESS;
}

BOOL fsFtpConnection::IsPassiveMode()
{
        return m_bPassiveMode;
}

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