/*
 * WININET - Ftp implementation
 *
 * Copyright 1999 Corel Corporation
 *
 * Ulrich Czekalla
 * Noureddine Jemmali
 *
 * Copyright 2000 Andreas Mohr
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "config.h"
#include "wine/port.h"

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <time.h>

#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "wininet.h"
#include "winerror.h"

#include "wine/debug.h"
#include "internet.h"

WINE_DEFAULT_DEBUG_CHANNEL(wininet);

#define NOACCOUNT 		"noaccount"
#define DATA_PACKET_SIZE 	0x2000
#define szCRLF 			"\r\n"
#define MAX_BACKLOG 		5

typedef enum {
  /* FTP commands with arguments. */
  FTP_CMD_ACCT,
  FTP_CMD_CWD,
  FTP_CMD_DELE,
  FTP_CMD_MKD,
  FTP_CMD_PASS,
  FTP_CMD_PORT,
  FTP_CMD_RETR,
  FTP_CMD_RMD,
  FTP_CMD_RNFR,
  FTP_CMD_RNTO,
  FTP_CMD_STOR,
  FTP_CMD_TYPE,
  FTP_CMD_USER,

  /* FTP commands without arguments. */
  FTP_CMD_ABOR,
  FTP_CMD_LIST,
  FTP_CMD_NLST,
  FTP_CMD_PASV,
  FTP_CMD_PWD,
  FTP_CMD_QUIT,
} FTP_COMMAND;

static const CHAR *szFtpCommands[] = {
  "ACCT",
  "CWD",
  "DELE",
  "MKD",
  "PASS",
  "PORT",
  "RETR",
  "RMD",
  "RNFR",
  "RNTO",
  "STOR",
  "TYPE",
  "USER",
  "ABOR",
  "LIST",
  "NLST",
  "PASV",
  "PWD",
  "QUIT",
};

static const CHAR szMonths[] = "JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC";

BOOL FTP_SendCommand(INT nSocket, FTP_COMMAND ftpCmd, LPCSTR lpszParam,
	INTERNET_STATUS_CALLBACK lpfnStatusCB, HINTERNET hHandle, DWORD dwContext);
BOOL FTP_SendStore(LPWININETFTPSESSIONA lpwfs, LPCSTR lpszRemoteFile, DWORD dwType);
BOOL FTP_GetDataSocket(LPWININETFTPSESSIONA lpwfs, LPINT nDataSocket);
BOOL FTP_SendData(LPWININETFTPSESSIONA lpwfs, INT nDataSocket, HANDLE hFile);
INT FTP_ReceiveResponse(INT nSocket, LPSTR lpszResponse, DWORD dwResponse,
	INTERNET_STATUS_CALLBACK lpfnStatusCB, HINTERNET hHandle, DWORD dwContext);
DWORD FTP_SendRetrieve(LPWININETFTPSESSIONA lpwfs, LPCSTR lpszRemoteFile, DWORD dwType);
BOOL FTP_RetrieveFileData(LPWININETFTPSESSIONA lpwfs, INT nDataSocket, DWORD nBytes, HANDLE hFile);
BOOL FTP_InitListenSocket(LPWININETFTPSESSIONA lpwfs);
BOOL FTP_ConnectToHost(LPWININETFTPSESSIONA lpwfs);
BOOL FTP_SendPassword(LPWININETFTPSESSIONA lpwfs);
BOOL FTP_SendAccount(LPWININETFTPSESSIONA lpwfs);
BOOL FTP_SendType(LPWININETFTPSESSIONA lpwfs, DWORD dwType);
BOOL FTP_SendPort(LPWININETFTPSESSIONA lpwfs);
BOOL FTP_DoPassive(LPWININETFTPSESSIONA lpwfs);
BOOL FTP_SendPortOrPasv(LPWININETFTPSESSIONA lpwfs);
BOOL FTP_ParsePermission(LPCSTR lpszPermission, LPFILEPROPERTIESA lpfp);
BOOL FTP_ParseDirectory(LPWININETFTPSESSIONA lpwfs, INT nSocket, LPFILEPROPERTIESA *lpafp, LPDWORD dwfp);
HINTERNET FTP_ReceiveFileList(LPWININETFTPSESSIONA lpwfs, INT nSocket,
	LPWIN32_FIND_DATAA lpFindFileData, DWORD dwContext);
DWORD FTP_SetResponseError(DWORD dwResponse);

inline static LPSTR FTP_strdup( LPCSTR str )
{
    LPSTR ret = HeapAlloc( GetProcessHeap(), 0, strlen(str) + 1 );
    if (ret) strcpy( ret, str );
    return ret;
}

/***********************************************************************
 *           FtpPutFileA (WININET.@)
 *
 * Uploads a file to the FTP server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FtpPutFileA(HINTERNET hConnect, LPCSTR lpszLocalFile,
    LPCSTR lpszNewRemoteFile, DWORD dwFlags, DWORD dwContext)
{
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hConnect;
    LPWININETAPPINFOA hIC = NULL;

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
    {
        WORKREQUEST workRequest;

	workRequest.asyncall = FTPPUTFILEA;
	workRequest.HFTPSESSION = (DWORD)hConnect;
	workRequest.LPSZLOCALFILE = (DWORD)FTP_strdup(lpszLocalFile);
	workRequest.LPSZNEWREMOTEFILE = (DWORD)FTP_strdup(lpszNewRemoteFile);
	workRequest.DWFLAGS = dwFlags;
	workRequest.DWCONTEXT = dwContext;

	return INTERNET_AsyncCall(&workRequest);
    }
    else
    {
	return FTP_FtpPutFileA(hConnect, lpszLocalFile,
		lpszNewRemoteFile, dwFlags, dwContext);
    }
}

/***********************************************************************
 *           FTP_FtpPutFileA (Internal)
 *
 * Uploads a file to the FTP server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FTP_FtpPutFileA(HINTERNET hConnect, LPCSTR lpszLocalFile,
    LPCSTR lpszNewRemoteFile, DWORD dwFlags, DWORD dwContext)
{
    HANDLE hFile = (HANDLE)NULL;
    BOOL bSuccess = FALSE;
    LPWININETAPPINFOA hIC = NULL;
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hConnect;
    INT nResCode;

    TRACE(" lpszLocalFile(%s) lpszNewRemoteFile(%s)\n", lpszLocalFile, lpszNewRemoteFile);
    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    /* Clear any error information */
    INTERNET_SetLastError(0);

    /* Open file to be uploaded */
    if (INVALID_HANDLE_VALUE ==
        (hFile = CreateFileA(lpszLocalFile, GENERIC_READ, 0, 0, OPEN_EXISTING, 0, 0)))
    {
        INTERNET_SetLastError(ERROR_FILE_NOT_FOUND);
        goto lend;
    }

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->lpfnStatusCB)
        hIC->lpfnStatusCB(hConnect, lpwfs->hdr.dwContext, INTERNET_STATUS_SENDING_REQUEST, NULL, 0);

    if (FTP_SendStore(lpwfs, lpszNewRemoteFile, dwFlags))
    {
        INT nDataSocket;

        /* Get data socket to server */
        if (FTP_GetDataSocket(lpwfs, &nDataSocket))
        {
            FTP_SendData(lpwfs, nDataSocket, hFile);
            close(nDataSocket);
	    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
					   MAX_REPLY_LEN, 0, 0, 0);
	    if (nResCode)
	    {
	        if (nResCode == 226)
		    bSuccess = TRUE;
		else
		    FTP_SetResponseError(nResCode);
	    }
        }
    }

lend:
    if (lpwfs->lstnSocket != -1)
        close(lpwfs->lstnSocket);

    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC  && hIC->lpfnStatusCB)
    {
        INTERNET_ASYNC_RESULT iar;

        iar.dwResult = (DWORD)bSuccess;
        iar.dwError = bSuccess ? ERROR_SUCCESS : INTERNET_GetLastError();
        hIC->lpfnStatusCB(hConnect, lpwfs->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
            &iar, sizeof(INTERNET_ASYNC_RESULT));
    }

    if (hFile)
        CloseHandle(hFile);

    return bSuccess;
}


/***********************************************************************
 *           FtpSetCurrentDirectoryA (WININET.@)
 *
 * Change the working directory on the FTP server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FtpSetCurrentDirectoryA(HINTERNET hConnect, LPCSTR lpszDirectory)
{
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hConnect;
    LPWININETAPPINFOA hIC = NULL;

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    TRACE("lpszDirectory(%s)\n", lpszDirectory);

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
    {
        WORKREQUEST workRequest;

        workRequest.asyncall = FTPSETCURRENTDIRECTORYA;
	workRequest.HFTPSESSION = (DWORD)hConnect;
        workRequest.LPSZDIRECTORY = (DWORD)FTP_strdup(lpszDirectory);

	return INTERNET_AsyncCall(&workRequest);
    }
    else
    {
	return FTP_FtpSetCurrentDirectoryA(hConnect, lpszDirectory);
    }
}


/***********************************************************************
 *           FTP_FtpSetCurrentDirectoryA (Internal)
 *
 * Change the working directory on the FTP server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FTP_FtpSetCurrentDirectoryA(HINTERNET hConnect, LPCSTR lpszDirectory)
{
    INT nResCode;
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hConnect;
    LPWININETAPPINFOA hIC = NULL;
    DWORD bSuccess = FALSE;

    TRACE("lpszDirectory(%s)\n", lpszDirectory);

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    /* Clear any error information */
    INTERNET_SetLastError(0);

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_CWD, lpszDirectory,
        hIC->lpfnStatusCB, hConnect, lpwfs->hdr.dwContext))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN, hIC->lpfnStatusCB, hConnect, lpwfs->hdr.dwContext);

    if (nResCode)
    {
        if (nResCode == 250)
            bSuccess = TRUE;
        else
            FTP_SetResponseError(nResCode);
    }

lend:
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
    {
        INTERNET_ASYNC_RESULT iar;

        iar.dwResult = (DWORD)bSuccess;
        iar.dwError = bSuccess ? ERROR_SUCCESS : ERROR_INTERNET_EXTENDED_ERROR;
        hIC->lpfnStatusCB(hConnect, lpwfs->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
            &iar, sizeof(INTERNET_ASYNC_RESULT));
    }
    return bSuccess;
}


/***********************************************************************
 *           FtpCreateDirectoryA (WININET.@)
 *
 * Create new directory on the FTP server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FtpCreateDirectoryA(HINTERNET hConnect, LPCSTR lpszDirectory)
{
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hConnect;
    LPWININETAPPINFOA hIC = NULL;

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
    {
        WORKREQUEST workRequest;

        workRequest.asyncall = FTPCREATEDIRECTORYA;
	workRequest.HFTPSESSION = (DWORD)hConnect;
	workRequest.LPSZDIRECTORY = (DWORD)FTP_strdup(lpszDirectory);

	return INTERNET_AsyncCall(&workRequest);
    }
    else
    {
	return FTP_FtpCreateDirectoryA(hConnect, lpszDirectory);
    }
}


/***********************************************************************
 *           FTP_FtpCreateDirectoryA (Internal)
 *
 * Create new directory on the FTP server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FTP_FtpCreateDirectoryA(HINTERNET hConnect, LPCSTR lpszDirectory)
{
    INT nResCode;
    BOOL bSuccess = FALSE;
    LPWININETAPPINFOA hIC = NULL;
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hConnect;

    TRACE("\n");
    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    /* Clear any error information */
    INTERNET_SetLastError(0);

    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_MKD, lpszDirectory, 0, 0, 0))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN, 0, 0, 0);
    if (nResCode)
    {
        if (nResCode == 257)
            bSuccess = TRUE;
        else
            FTP_SetResponseError(nResCode);
    }

lend:
    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
    {
        INTERNET_ASYNC_RESULT iar;

        iar.dwResult = (DWORD)bSuccess;
        iar.dwError = bSuccess ? ERROR_SUCCESS : INTERNET_GetLastError();
        hIC->lpfnStatusCB(hConnect, lpwfs->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
            &iar, sizeof(INTERNET_ASYNC_RESULT));
    }

    return bSuccess;
}


/***********************************************************************
 *           FtpFindFirstFileA (WININET.@)
 *
 * Search the specified directory
 *
 * RETURNS
 *    HINTERNET on success
 *    NULL on failure
 *
 */
HINTERNET WINAPI FtpFindFirstFileA(HINTERNET hConnect,
    LPCSTR lpszSearchFile, LPWIN32_FIND_DATAA lpFindFileData, DWORD dwFlags, DWORD dwContext)
{
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hConnect;
    LPWININETAPPINFOA hIC = NULL;

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
    {
        WORKREQUEST workRequest;

        workRequest.asyncall = FTPFINDFIRSTFILEA;
	workRequest.HFTPSESSION = (DWORD)hConnect;
	workRequest.LPSZSEARCHFILE = (DWORD)FTP_strdup(lpszSearchFile);
	workRequest.LPFINDFILEDATA = (DWORD)lpFindFileData;
	workRequest.DWFLAGS = dwFlags;
	workRequest.DWCONTEXT= dwContext;

	INTERNET_AsyncCall(&workRequest);
	return NULL;
    }
    else
    {
	return FTP_FtpFindFirstFileA(hConnect, lpszSearchFile, lpFindFileData,
		dwFlags, dwContext);
    }
}


/***********************************************************************
 *           FTP_FtpFindFirstFileA (Internal)
 *
 * Search the specified directory
 *
 * RETURNS
 *    HINTERNET on success
 *    NULL on failure
 *
 */
HINTERNET WINAPI FTP_FtpFindFirstFileA(HINTERNET hConnect,
    LPCSTR lpszSearchFile, LPWIN32_FIND_DATAA lpFindFileData, DWORD dwFlags, DWORD dwContext)
{
    INT nResCode;
    LPWININETAPPINFOA hIC = NULL;
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hConnect;
    LPWININETFINDNEXTA hFindNext = NULL;

    TRACE("\n");

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    /* Clear any error information */
    INTERNET_SetLastError(0);

    if (!FTP_InitListenSocket(lpwfs))
        goto lend;

    if (!FTP_SendType(lpwfs, INTERNET_FLAG_TRANSFER_ASCII))
        goto lend;

    if (!FTP_SendPortOrPasv(lpwfs))
        goto lend;

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_LIST, lpszSearchFile,
        hIC->lpfnStatusCB, hConnect, lpwfs->hdr.dwContext))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN, hIC->lpfnStatusCB, hConnect, lpwfs->hdr.dwContext);
    if (nResCode)
    {
        if (nResCode == 125 || nResCode == 150)
        {
            INT nDataSocket;

            /* Get data socket to server */
            if (FTP_GetDataSocket(lpwfs, &nDataSocket))
            {
                hFindNext = FTP_ReceiveFileList(lpwfs, nDataSocket, lpFindFileData, dwContext);

                nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
                    MAX_REPLY_LEN, hIC->lpfnStatusCB, hConnect, lpwfs->hdr.dwContext);
                if (nResCode != 226 && nResCode != 250)
                    INTERNET_SetLastError(ERROR_NO_MORE_FILES);

                close(nDataSocket);
            }
        }
        else
            FTP_SetResponseError(nResCode);
    }

lend:
    if (lpwfs->lstnSocket != -1)
        close(lpwfs->lstnSocket);

    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
    {
        INTERNET_ASYNC_RESULT iar;

        if (hFindNext)
	{
            iar.dwResult = (DWORD)hFindNext;
            iar.dwError = ERROR_SUCCESS;
            hIC->lpfnStatusCB(hConnect, lpwfs->hdr.dwContext, INTERNET_STATUS_HANDLE_CREATED,
                &iar, sizeof(INTERNET_ASYNC_RESULT));
	}

        iar.dwResult = (DWORD)hFindNext;
        iar.dwError = hFindNext ? ERROR_SUCCESS : INTERNET_GetLastError();
        hIC->lpfnStatusCB(hConnect, lpwfs->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
            &iar, sizeof(INTERNET_ASYNC_RESULT));
    }

    return (HINTERNET)hFindNext;
}


/***********************************************************************
 *           FtpGetCurrentDirectoryA (WININET.@)
 *
 * Retrieves the current directory
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FtpGetCurrentDirectoryA(HINTERNET hFtpSession, LPSTR lpszCurrentDirectory,
	LPDWORD lpdwCurrentDirectory)
{
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hFtpSession;
    LPWININETAPPINFOA hIC = NULL;

    TRACE("len(%ld)\n", *lpdwCurrentDirectory);

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
    {
        WORKREQUEST workRequest;

        workRequest.asyncall =  FTPGETCURRENTDIRECTORYA;
	workRequest.HFTPSESSION = (DWORD)hFtpSession;
	workRequest.LPSZDIRECTORY = (DWORD)lpszCurrentDirectory;
	workRequest.LPDWDIRECTORY = (DWORD)lpdwCurrentDirectory;

	return INTERNET_AsyncCall(&workRequest);
    }
    else
    {
	return FTP_FtpGetCurrentDirectoryA(hFtpSession, lpszCurrentDirectory,
		lpdwCurrentDirectory);
    }
}


/***********************************************************************
 *           FTP_FtpGetCurrentDirectoryA (Internal)
 *
 * Retrieves the current directory
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FTP_FtpGetCurrentDirectoryA(HINTERNET hFtpSession, LPSTR lpszCurrentDirectory,
	LPDWORD lpdwCurrentDirectory)
{
    INT nResCode;
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hFtpSession;
    LPWININETAPPINFOA hIC = NULL;
    DWORD bSuccess = FALSE;

    TRACE("len(%ld)\n", *lpdwCurrentDirectory);

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    /* Clear any error information */
    INTERNET_SetLastError(0);

    ZeroMemory(lpszCurrentDirectory, *lpdwCurrentDirectory);

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_PWD, NULL,
        hIC->lpfnStatusCB, hFtpSession, lpwfs->hdr.dwContext))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN, hIC->lpfnStatusCB, hFtpSession, lpwfs->hdr.dwContext);
    if (nResCode)
    {
        if (nResCode == 257) /* Extract directory name */
        {
            INT firstpos, lastpos, len;
	    LPSTR lpszResponseBuffer = INTERNET_GetResponseBuffer();

            for (firstpos = 0, lastpos = 0; lpszResponseBuffer[lastpos]; lastpos++)
            {
                if ('"' == lpszResponseBuffer[lastpos])
                {
                    if (!firstpos)
                        firstpos = lastpos;
                    else
                        break;
		}
            }

            len = lastpos - firstpos - 1;
            strncpy(lpszCurrentDirectory, &lpszResponseBuffer[firstpos+1],
                len < *lpdwCurrentDirectory ? len : *lpdwCurrentDirectory);
            *lpdwCurrentDirectory = len;
            bSuccess = TRUE;
        }
        else
            FTP_SetResponseError(nResCode);
    }

lend:
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
    {
        INTERNET_ASYNC_RESULT iar;

        iar.dwResult = (DWORD)bSuccess;
        iar.dwError = bSuccess ? ERROR_SUCCESS : ERROR_INTERNET_EXTENDED_ERROR;
        hIC->lpfnStatusCB(hFtpSession, lpwfs->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
            &iar, sizeof(INTERNET_ASYNC_RESULT));
    }

    return (DWORD) bSuccess;
}

/***********************************************************************
 *           FtpOpenFileA (WININET.@)
 *
 * Open a remote file for writing or reading
 *
 * RETURNS
 *    HINTERNET handle on success
 *    NULL on failure
 *
 */
HINTERNET WINAPI FtpOpenFileA(HINTERNET hFtpSession,
	LPCSTR lpszFileName, DWORD fdwAccess, DWORD dwFlags,
	DWORD dwContext)
{
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hFtpSession;
    LPWININETAPPINFOA hIC = NULL;

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
    {
        WORKREQUEST workRequest;

        workRequest.asyncall = FTPOPENFILEA;
	workRequest.HFTPSESSION = (DWORD)hFtpSession;
	workRequest.LPSZFILENAME = (DWORD)FTP_strdup(lpszFileName);
	workRequest.FDWACCESS = fdwAccess;
	workRequest.DWFLAGS = dwFlags;
	workRequest.DWCONTEXT = dwContext;

	INTERNET_AsyncCall(&workRequest);
	return NULL;
    }
    else
    {
	return FTP_FtpOpenFileA(hFtpSession, lpszFileName, fdwAccess, dwFlags, dwContext);
    }
}


/***********************************************************************
 *           FTP_FtpOpenFileA (Internal)
 *
 * Open a remote file for writing or reading
 *
 * RETURNS
 *    HINTERNET handle on success
 *    NULL on failure
 *
 */
HINTERNET FTP_FtpOpenFileA(HINTERNET hFtpSession,
	LPCSTR lpszFileName, DWORD fdwAccess, DWORD dwFlags,
	DWORD dwContext)
{
    INT nDataSocket;
    BOOL bSuccess = FALSE;
    LPWININETFILE hFile = NULL;
    LPWININETAPPINFOA hIC = NULL;
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hFtpSession;

    TRACE("\n");

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    /* Clear any error information */
    INTERNET_SetLastError(0);

    if (GENERIC_READ == fdwAccess)
    {
        /* Set up socket to retrieve data */
        bSuccess = FTP_SendRetrieve(lpwfs, lpszFileName, dwFlags);
    }
    else if (GENERIC_WRITE == fdwAccess)
    {
        /* Set up socket to send data */
        bSuccess = FTP_SendStore(lpwfs, lpszFileName, dwFlags);
    }

    /* Get data socket to server */
    if (bSuccess && FTP_GetDataSocket(lpwfs, &nDataSocket))
    {
        hFile = HeapAlloc(GetProcessHeap(), 0, sizeof(WININETFILE));
        hFile->hdr.htype = WH_HFILE;
        hFile->hdr.dwFlags = dwFlags;
        hFile->hdr.dwContext = dwContext;
        hFile->hdr.lpwhparent = hFtpSession;
        hFile->nDataSocket = nDataSocket;
    }

    if (lpwfs->lstnSocket != -1)
        close(lpwfs->lstnSocket);

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
    {
        INTERNET_ASYNC_RESULT iar;

	if (hFile)
	{
            iar.dwResult = (DWORD)hFile;
            iar.dwError = ERROR_SUCCESS;
            hIC->lpfnStatusCB(hFtpSession, lpwfs->hdr.dwContext, INTERNET_STATUS_HANDLE_CREATED,
                &iar, sizeof(INTERNET_ASYNC_RESULT));
	}

        iar.dwResult = (DWORD)bSuccess;
        iar.dwError = bSuccess ? ERROR_SUCCESS : INTERNET_GetLastError();
        hIC->lpfnStatusCB(hFtpSession, lpwfs->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
            &iar, sizeof(INTERNET_ASYNC_RESULT));
    }

    return (HINTERNET)hFile;
}


/***********************************************************************
 *           FtpGetFileA (WININET.@)
 *
 * Retrieve file from the FTP server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FtpGetFileA(HINTERNET hInternet, LPCSTR lpszRemoteFile, LPCSTR lpszNewFile,
	BOOL fFailIfExists, DWORD dwLocalFlagsAttribute, DWORD dwInternetFlags,
	DWORD dwContext)
{
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hInternet;
    LPWININETAPPINFOA hIC = NULL;

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
    {
        WORKREQUEST workRequest;

        workRequest.asyncall = FTPGETFILEA;
	workRequest.HFTPSESSION = (DWORD)hInternet;
	workRequest.LPSZREMOTEFILE = (DWORD)FTP_strdup(lpszRemoteFile);
	workRequest.LPSZNEWFILE = (DWORD)FTP_strdup(lpszNewFile);
	workRequest.DWLOCALFLAGSATTRIBUTE  = dwLocalFlagsAttribute;
	workRequest.FFAILIFEXISTS = (DWORD)fFailIfExists;
	workRequest.DWFLAGS = dwInternetFlags;
	workRequest.DWCONTEXT = dwContext;

	return INTERNET_AsyncCall(&workRequest);
    }
    else
    {
	return FTP_FtpGetFileA(hInternet, lpszRemoteFile, lpszNewFile,
           fFailIfExists, dwLocalFlagsAttribute, dwInternetFlags, dwContext);
    }
}


/***********************************************************************
 *           FTP_FtpGetFileA (Internal)
 *
 * Retrieve file from the FTP server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FTP_FtpGetFileA(HINTERNET hInternet, LPCSTR lpszRemoteFile, LPCSTR lpszNewFile,
	BOOL fFailIfExists, DWORD dwLocalFlagsAttribute, DWORD dwInternetFlags,
	DWORD dwContext)
{
    DWORD nBytes;
    BOOL bSuccess = FALSE;
    HANDLE hFile;
    LPWININETAPPINFOA hIC = NULL;
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hInternet;

    TRACE("lpszRemoteFile(%s) lpszNewFile(%s)\n", lpszRemoteFile, lpszNewFile);
    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    /* Clear any error information */
    INTERNET_SetLastError(0);

    /* Ensure we can write to lpszNewfile by opening it */
    hFile = CreateFileA(lpszNewFile, GENERIC_WRITE, 0, 0, fFailIfExists ?
        CREATE_NEW : CREATE_ALWAYS, dwLocalFlagsAttribute, 0);
    if (INVALID_HANDLE_VALUE == hFile)
        goto lend;

    /* Set up socket to retrieve data */
    nBytes = FTP_SendRetrieve(lpwfs, lpszRemoteFile, dwInternetFlags);

    if (nBytes > 0)
    {
        INT nDataSocket;

        /* Get data socket to server */
        if (FTP_GetDataSocket(lpwfs, &nDataSocket))
        {
            INT nResCode;

            /* Receive data */
            FTP_RetrieveFileData(lpwfs, nDataSocket, nBytes, hFile);
            nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
            MAX_REPLY_LEN, 0, 0, 0);
            if (nResCode)
            {
                if (nResCode == 226)
                    bSuccess = TRUE;
		else
                    FTP_SetResponseError(nResCode);
            }
	    close(nDataSocket);
        }
    }

lend:
    if (lpwfs->lstnSocket != -1)
        close(lpwfs->lstnSocket);

    if (hFile)
        CloseHandle(hFile);

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
    {
        INTERNET_ASYNC_RESULT iar;

        iar.dwResult = (DWORD)bSuccess;
        iar.dwError = bSuccess ? ERROR_SUCCESS : INTERNET_GetLastError();
        hIC->lpfnStatusCB(hInternet, lpwfs->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
            &iar, sizeof(INTERNET_ASYNC_RESULT));
    }

    return bSuccess;
}


/***********************************************************************
 *           FtpDeleteFileA  (WININET.@)
 *
 * Delete a file on the ftp server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FtpDeleteFileA(HINTERNET hFtpSession, LPCSTR lpszFileName)
{
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hFtpSession;
    LPWININETAPPINFOA hIC = NULL;

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
    {
        WORKREQUEST workRequest;

        workRequest.asyncall = FTPRENAMEFILEA;
	workRequest.HFTPSESSION = (DWORD)hFtpSession;
	workRequest.LPSZFILENAME = (DWORD)FTP_strdup(lpszFileName);

	return INTERNET_AsyncCall(&workRequest);
    }
    else
    {
	return FTP_FtpDeleteFileA(hFtpSession, lpszFileName);
    }
}


/***********************************************************************
 *           FTP_FtpDeleteFileA  (Internal)
 *
 * Delete a file on the ftp server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL FTP_FtpDeleteFileA(HINTERNET hFtpSession, LPCSTR lpszFileName)
{
    INT nResCode;
    BOOL bSuccess = FALSE;
    LPWININETAPPINFOA hIC = NULL;
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hFtpSession;

    TRACE("0x%08lx\n", (ULONG) hFtpSession);
    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    /* Clear any error information */
    INTERNET_SetLastError(0);

    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_DELE, lpszFileName, 0, 0, 0))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN, 0, 0, 0);
    if (nResCode)
    {
        if (nResCode == 250)
            bSuccess = TRUE;
        else
            FTP_SetResponseError(nResCode);
    }
lend:
    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
    {
        INTERNET_ASYNC_RESULT iar;

        iar.dwResult = (DWORD)bSuccess;
        iar.dwError = bSuccess ? ERROR_SUCCESS : INTERNET_GetLastError();
        hIC->lpfnStatusCB(hFtpSession, lpwfs->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
            &iar, sizeof(INTERNET_ASYNC_RESULT));
    }

    return bSuccess;
}


/***********************************************************************
 *           FtpRemoveDirectoryA  (WININET.@)
 *
 * Remove a directory on the ftp server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FtpRemoveDirectoryA(HINTERNET hFtpSession, LPCSTR lpszDirectory)
{
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hFtpSession;
    LPWININETAPPINFOA hIC = NULL;

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
    {
        WORKREQUEST workRequest;

        workRequest.asyncall = FTPREMOVEDIRECTORYA;
	workRequest.HFTPSESSION = (DWORD)hFtpSession;
	workRequest.LPSZDIRECTORY = (DWORD)FTP_strdup(lpszDirectory);

	return INTERNET_AsyncCall(&workRequest);
    }
    else
    {
	return FTP_FtpRemoveDirectoryA(hFtpSession, lpszDirectory);
    }
}


/***********************************************************************
 *           FTP_FtpRemoveDirectoryA  (Internal)
 *
 * Remove a directory on the ftp server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL FTP_FtpRemoveDirectoryA(HINTERNET hFtpSession, LPCSTR lpszDirectory)
{
    INT nResCode;
    BOOL bSuccess = FALSE;
    LPWININETAPPINFOA hIC = NULL;
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hFtpSession;

    TRACE("\n");
    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    /* Clear any error information */
    INTERNET_SetLastError(0);

    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_RMD, lpszDirectory, 0, 0, 0))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN, 0, 0, 0);
    if (nResCode)
    {
        if (nResCode == 250)
            bSuccess = TRUE;
        else
            FTP_SetResponseError(nResCode);
    }

lend:
    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
    {
        INTERNET_ASYNC_RESULT iar;

        iar.dwResult = (DWORD)bSuccess;
        iar.dwError = bSuccess ? ERROR_SUCCESS : INTERNET_GetLastError();
        hIC->lpfnStatusCB(hFtpSession, lpwfs->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
            &iar, sizeof(INTERNET_ASYNC_RESULT));
    }

    return bSuccess;
}


/***********************************************************************
 *           FtpRenameFileA  (WININET.@)
 *
 * Rename a file on the ftp server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL WINAPI FtpRenameFileA(HINTERNET hFtpSession, LPCSTR lpszSrc, LPCSTR lpszDest)
{
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hFtpSession;
    LPWININETAPPINFOA hIC = NULL;

    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
    {
        WORKREQUEST workRequest;

        workRequest.asyncall = FTPRENAMEFILEA;
	workRequest.HFTPSESSION = (DWORD)hFtpSession;
	workRequest.LPSZSRCFILE = (DWORD)FTP_strdup(lpszSrc);
	workRequest.LPSZDESTFILE = (DWORD)FTP_strdup(lpszDest);

	return INTERNET_AsyncCall(&workRequest);
    }
    else
    {
	return FTP_FtpRenameFileA(hFtpSession, lpszSrc, lpszDest);
    }
}

/***********************************************************************
 *           FTP_FtpRenameFileA  (Internal)
 *
 * Rename a file on the ftp server
 *
 * RETURNS
 *    TRUE on success
 *    FALSE on failure
 *
 */
BOOL FTP_FtpRenameFileA(HINTERNET hFtpSession, LPCSTR lpszSrc, LPCSTR lpszDest)
{
    INT nResCode;
    BOOL bSuccess = FALSE;
    LPWININETAPPINFOA hIC = NULL;
    LPWININETFTPSESSIONA lpwfs = (LPWININETFTPSESSIONA) hFtpSession;

    TRACE("\n");
    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
        return FALSE;
    }

    /* Clear any error information */
    INTERNET_SetLastError(0);

    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_RNFR, lpszSrc, 0, 0, 0))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket,
        INTERNET_GetResponseBuffer(), MAX_REPLY_LEN, 0, 0, 0);
    if (nResCode == 350)
    {
        if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_RNTO, lpszDest, 0, 0, 0))
            goto lend;

        nResCode = FTP_ReceiveResponse(lpwfs->sndSocket,
		    INTERNET_GetResponseBuffer(), MAX_REPLY_LEN, 0, 0, 0);
    }

    if (nResCode == 250)
        bSuccess = TRUE;
    else
        FTP_SetResponseError(nResCode);

lend:
    hIC = (LPWININETAPPINFOA) lpwfs->hdr.lpwhparent;
    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
    {
        INTERNET_ASYNC_RESULT iar;

        iar.dwResult = (DWORD)bSuccess;
        iar.dwError = bSuccess ? ERROR_SUCCESS : INTERNET_GetLastError();
        hIC->lpfnStatusCB(hFtpSession, lpwfs->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
            &iar, sizeof(INTERNET_ASYNC_RESULT));
    }

    return bSuccess;
}


/***********************************************************************
 *           FTP_Connect (internal)
 *
 * Connect to a ftp server
 *
 * RETURNS
 *   HINTERNET a session handle on success
 *   NULL on failure
 *
 */

HINTERNET FTP_Connect(HINTERNET hInternet, LPCSTR lpszServerName,
	INTERNET_PORT nServerPort, LPCSTR lpszUserName,
	LPCSTR lpszPassword, DWORD dwFlags, DWORD dwContext)
{
    struct sockaddr_in socketAddr;
    struct hostent *phe = NULL;
    INT nsocket = -1, sock_namelen;
    LPWININETAPPINFOA hIC = NULL;
    BOOL bSuccess = FALSE;
    LPWININETFTPSESSIONA lpwfs = NULL;

    TRACE("0x%08lx  Server(%s) Port(%d) User(%s) Paswd(%s)\n",
	    (ULONG) hInternet, lpszServerName,
	    nServerPort, lpszUserName, lpszPassword);

    if (((LPWININETHANDLEHEADER)hInternet)->htype != WH_HINIT)
        goto lerror;

    hIC = (LPWININETAPPINFOA) hInternet;

    if (NULL == lpszUserName && NULL != lpszPassword)
    {
	INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_USER_NAME);
        goto lerror;
    }

    if (nServerPort == INTERNET_INVALID_PORT_NUMBER)
	nServerPort = INTERNET_DEFAULT_FTP_PORT;

    if (hIC->lpfnStatusCB)
        hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_RESOLVING_NAME,
            (LPSTR) lpszServerName, strlen(lpszServerName));

    if (!GetAddress(lpszServerName, nServerPort, &phe, &socketAddr))
    {
	INTERNET_SetLastError(ERROR_INTERNET_NAME_NOT_RESOLVED);
        goto lerror;
    }

    if (hIC->lpfnStatusCB)
        hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_NAME_RESOLVED,
            (LPSTR) lpszServerName, strlen(lpszServerName));

    nsocket = socket(AF_INET,SOCK_STREAM,0);
    if (nsocket == -1)
    {
	INTERNET_SetLastError(ERROR_INTERNET_CANNOT_CONNECT);
        goto lerror;
    }

    if (hIC->lpfnStatusCB)
        hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_CONNECTING_TO_SERVER,
             &socketAddr, sizeof(struct sockaddr_in));

    if (connect(nsocket, (struct sockaddr *)&socketAddr, sizeof(socketAddr)) < 0)
    {
	ERR("Unable to connect (%s)\n", strerror(errno));
	INTERNET_SetLastError(ERROR_INTERNET_CANNOT_CONNECT);
    }
    else
    {
        TRACE("Connected to server\n");
        if (hIC->lpfnStatusCB)
            hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_CONNECTED_TO_SERVER,
                &socketAddr, sizeof(struct sockaddr_in));

        lpwfs = HeapAlloc(GetProcessHeap(), 0, sizeof(WININETFTPSESSIONA));
        if (NULL == lpwfs)
        {
            INTERNET_SetLastError(ERROR_OUTOFMEMORY);
            goto lerror;
        }

        lpwfs->hdr.htype = WH_HFTPSESSION;
        lpwfs->hdr.dwFlags = dwFlags;
        lpwfs->hdr.dwContext = dwContext;
        lpwfs->hdr.lpwhparent = (LPWININETHANDLEHEADER)hInternet;
        lpwfs->sndSocket = nsocket;
	sock_namelen = sizeof(lpwfs->socketAddress);
	getsockname(nsocket, (struct sockaddr *) &lpwfs->socketAddress, &sock_namelen);
        lpwfs->phostent = phe;

        if (NULL == lpszUserName)
        {
            lpwfs->lpszUserName = FTP_strdup("anonymous");
            lpwfs->lpszPassword = FTP_strdup("user@server");
        }
        else
        {
            lpwfs->lpszUserName = FTP_strdup(lpszUserName);
            lpwfs->lpszPassword = FTP_strdup(lpszPassword);
        }

        if (FTP_ConnectToHost(lpwfs))
        {
            if (hIC->lpfnStatusCB)
            {
                INTERNET_ASYNC_RESULT iar;

                iar.dwResult = (DWORD)lpwfs;
                iar.dwError = ERROR_SUCCESS;

                hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_HANDLE_CREATED,
                    &iar, sizeof(INTERNET_ASYNC_RESULT));
            }
            TRACE("Successfully logged into server\n");
            bSuccess = TRUE;
        }
    }

lerror:
    if (!bSuccess && nsocket == -1)
        close(nsocket);

    if (!bSuccess && lpwfs)
    {
        HeapFree(GetProcessHeap(), 0, lpwfs);
        lpwfs = NULL;
    }

    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
    {
        INTERNET_ASYNC_RESULT iar;

        iar.dwResult = (DWORD)lpwfs;
        iar.dwError = bSuccess ? ERROR_SUCCESS : INTERNET_GetLastError();
        hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
            &iar, sizeof(INTERNET_ASYNC_RESULT));
    }

    return (HINTERNET) lpwfs;
}


/***********************************************************************
 *           FTP_ConnectToHost (internal)
 *
 * Connect to a ftp server
 *
 * RETURNS
 *   TRUE on success
 *   NULL on failure
 *
 */
BOOL FTP_ConnectToHost(LPWININETFTPSESSIONA lpwfs)
{
    INT nResCode;
    BOOL bSuccess = FALSE;

    TRACE("\n");
    FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(), MAX_REPLY_LEN, 0, 0, 0);

    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_USER, lpwfs->lpszUserName, 0, 0, 0))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN, 0, 0, 0);
    if (nResCode)
    {
        /* Login successful... */
        if (nResCode == 230)
            bSuccess = TRUE;
        /* User name okay, need password... */
        else if (nResCode == 331)
            bSuccess = FTP_SendPassword(lpwfs);
        /* Need account for login... */
        else if (nResCode == 332)
            bSuccess = FTP_SendAccount(lpwfs);
        else
            FTP_SetResponseError(nResCode);
    }

    TRACE("Returning %d\n", bSuccess);
lend:
    return bSuccess;
}


/***********************************************************************
 *           FTP_SendCommand (internal)
 *
 * Send command to server
 *
 * RETURNS
 *   TRUE on success
 *   NULL on failure
 *
 */
BOOL FTP_SendCommand(INT nSocket, FTP_COMMAND ftpCmd, LPCSTR lpszParam,
	INTERNET_STATUS_CALLBACK lpfnStatusCB, HINTERNET hHandle, DWORD dwContext)
{
    	DWORD len;
	CHAR *buf;
	DWORD nBytesSent = 0;
	DWORD nRC = 0;
	BOOL bParamHasLen;

	TRACE("%d: (%s) %d\n", ftpCmd, lpszParam, nSocket);

	if (lpfnStatusCB)
		lpfnStatusCB(hHandle, dwContext, INTERNET_STATUS_SENDING_REQUEST, NULL, 0);

	bParamHasLen = lpszParam && strlen(lpszParam) > 0;
	len = (bParamHasLen ? strlen(lpszParam) : -1) + strlen(szFtpCommands[ftpCmd]) +
	    strlen(szCRLF)+ 1;
	if (NULL == (buf = HeapAlloc(GetProcessHeap(), 0, len+1)))
	{
	    INTERNET_SetLastError(ERROR_OUTOFMEMORY);
	    return FALSE;
	}
	sprintf(buf, "%s%s%s%s", szFtpCommands[ftpCmd], bParamHasLen ? " " : "",
		bParamHasLen ? lpszParam : "", szCRLF);

	TRACE("Sending (%s) len(%ld)\n", buf, len);
	while((nBytesSent < len) && (nRC != -1))
	{
		nRC = send(nSocket, buf+nBytesSent, len - nBytesSent, 0);
		nBytesSent += nRC;
	}

	HeapFree(GetProcessHeap(), 0, (LPVOID)buf);

	if (lpfnStatusCB)
		lpfnStatusCB(hHandle, dwContext, INTERNET_STATUS_REQUEST_SENT,
			&nBytesSent, sizeof(DWORD));

	TRACE("Sent %ld bytes\n", nBytesSent);
	return (nRC != -1);
}


/***********************************************************************
 *           FTP_ReceiveResponse (internal)
 *
 * Receive response from server
 *
 * RETURNS
 *   Reply code on success
 *   0 on failure
 *
 */

INT FTP_ReceiveResponse(INT nSocket, LPSTR lpszResponse, DWORD dwResponse,
	INTERNET_STATUS_CALLBACK lpfnStatusCB, HINTERNET hHandle, DWORD dwContext)
{
    DWORD nRecv;
    INT rc = 0;
    char firstprefix[5];
    BOOL multiline = FALSE;


    TRACE("socket(%d) \n", nSocket);

    if (lpfnStatusCB)
        lpfnStatusCB(hHandle, dwContext, INTERNET_STATUS_RECEIVING_RESPONSE, NULL, 0);

    while(1)
    {
	nRecv = dwResponse;
	if (!INTERNET_GetNextLine(nSocket, lpszResponse, &nRecv))
	    goto lerror;

        if (nRecv >= 3)
	{
	    if(!multiline)
	    {
	        if(lpszResponse[3] != '-')
		    break;
		else
		{  /* Start of multiline repsonse.  Loop until we get "nnn " */
		    multiline = TRUE;
		    memcpy(firstprefix, lpszResponse, 3);
		    firstprefix[3] = ' ';
		    firstprefix[4] = '\0';
		}
	    }
	    else
	    {
	        if(!memcmp(firstprefix, lpszResponse, 4))
		    break;
	    }
	}
    }

    if (nRecv >= 3)
    {
        lpszResponse[nRecv] = '\0';
        rc = atoi(lpszResponse);

        if (lpfnStatusCB)
            lpfnStatusCB(hHandle, dwContext, INTERNET_STATUS_RESPONSE_RECEIVED,
		    &nRecv, sizeof(DWORD));
    }

lerror:
    TRACE("return %d\n", rc);
    return rc;
}


/***********************************************************************
 *           FTP_SendPassword (internal)
 *
 * Send password to ftp server
 *
 * RETURNS
 *   TRUE on success
 *   NULL on failure
 *
 */
BOOL FTP_SendPassword(LPWININETFTPSESSIONA lpwfs)
{
    INT nResCode;
    BOOL bSuccess = FALSE;

    TRACE("\n");
    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_PASS, lpwfs->lpszPassword, 0, 0, 0))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN, 0, 0, 0);
    if (nResCode)
    {
        TRACE("Received reply code %d\n", nResCode);
        /* Login successful... */
        if (nResCode == 230)
            bSuccess = TRUE;
        /* Command not implemented, superfluous at the server site... */
        /* Need account for login... */
        else if (nResCode == 332)
            bSuccess = FTP_SendAccount(lpwfs);
        else
            FTP_SetResponseError(nResCode);
    }

lend:
    TRACE("Returning %d\n", bSuccess);
    return bSuccess;
}


/***********************************************************************
 *           FTP_SendAccount (internal)
 *
 *
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 */
BOOL FTP_SendAccount(LPWININETFTPSESSIONA lpwfs)
{
    INT nResCode;
    BOOL bSuccess = FALSE;

    TRACE("\n");
    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_ACCT, NOACCOUNT, 0, 0, 0))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN, 0,  0, 0);
    if (nResCode)
        bSuccess = TRUE;
    else
        FTP_SetResponseError(nResCode);

lend:
    return bSuccess;
}


/***********************************************************************
 *           FTP_SendStore (internal)
 *
 * Send request to upload file to ftp server
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 */
BOOL FTP_SendStore(LPWININETFTPSESSIONA lpwfs, LPCSTR lpszRemoteFile, DWORD dwType)
{
    INT nResCode;
    BOOL bSuccess = FALSE;

    TRACE("\n");
    if (!FTP_InitListenSocket(lpwfs))
        goto lend;

    if (!FTP_SendType(lpwfs, dwType))
        goto lend;

    if (!FTP_SendPortOrPasv(lpwfs))
        goto lend;

    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_STOR, lpszRemoteFile, 0, 0, 0))
	    goto lend;
    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
       MAX_REPLY_LEN, 0, 0, 0);
    if (nResCode)
    {
        if (nResCode == 150)
            bSuccess = TRUE;
	else
            FTP_SetResponseError(nResCode);
    }

lend:
    if (!bSuccess && lpwfs->lstnSocket != -1)
    {
        close(lpwfs->lstnSocket);
        lpwfs->lstnSocket = -1;
    }

    return bSuccess;
}


/***********************************************************************
 *           FTP_InitListenSocket (internal)
 *
 * Create a socket to listen for server response
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 */
BOOL FTP_InitListenSocket(LPWININETFTPSESSIONA lpwfs)
{
    BOOL bSuccess = FALSE;
    size_t namelen = sizeof(struct sockaddr_in);

    TRACE("\n");

    lpwfs->lstnSocket = socket(PF_INET, SOCK_STREAM, 0);
    if (lpwfs->lstnSocket == -1)
    {
        TRACE("Unable to create listening socket\n");
            goto lend;
    }

    /* We obtain our ip addr from the name of the command channel socket */
    lpwfs->lstnSocketAddress = lpwfs->socketAddress;

    /* and get the system to assign us a port */
    lpwfs->lstnSocketAddress.sin_port = htons((u_short) 0);

    if (bind(lpwfs->lstnSocket,(struct sockaddr *) &lpwfs->lstnSocketAddress, sizeof(struct sockaddr_in)) == -1)
    {
        TRACE("Unable to bind socket\n");
        goto lend;
    }

    if (listen(lpwfs->lstnSocket, MAX_BACKLOG) == -1)
    {
        TRACE("listen failed\n");
        goto lend;
    }

    if (getsockname(lpwfs->lstnSocket, (struct sockaddr *) &lpwfs->lstnSocketAddress, &namelen) != -1)
        bSuccess = TRUE;

lend:
    if (!bSuccess && lpwfs->lstnSocket == -1)
    {
        close(lpwfs->lstnSocket);
        lpwfs->lstnSocket = -1;
    }

    return bSuccess;
}


/***********************************************************************
 *           FTP_SendType (internal)
 *
 * Tell server type of data being transferred
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 * W98SE doesn't cache the type that's currently set
 * (i.e. it sends it always),
 * so we probably don't want to do that either.
 */
BOOL FTP_SendType(LPWININETFTPSESSIONA lpwfs, DWORD dwType)
{
    INT nResCode;
    CHAR type[2] = { "I\0" };
    BOOL bSuccess = FALSE;

    TRACE("\n");
    if (dwType & INTERNET_FLAG_TRANSFER_ASCII)
        *type = 'A';

    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_TYPE, type, 0, 0, 0))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN, 0, 0, 0)/100;
    if (nResCode)
    {
        if (nResCode == 2)
            bSuccess = TRUE;
	else
            FTP_SetResponseError(nResCode);
    }

lend:
    return bSuccess;
}


/***********************************************************************
 *           FTP_SendPort (internal)
 *
 * Tell server which port to use
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 */
BOOL FTP_SendPort(LPWININETFTPSESSIONA lpwfs)
{
    INT nResCode;
    CHAR szIPAddress[64];
    BOOL bSuccess = FALSE;
    TRACE("\n");

    sprintf(szIPAddress, "%d,%d,%d,%d,%d,%d",
	 lpwfs->lstnSocketAddress.sin_addr.s_addr&0x000000FF,
        (lpwfs->lstnSocketAddress.sin_addr.s_addr&0x0000FF00)>>8,
        (lpwfs->lstnSocketAddress.sin_addr.s_addr&0x00FF0000)>>16,
        (lpwfs->lstnSocketAddress.sin_addr.s_addr&0xFF000000)>>24,
        lpwfs->lstnSocketAddress.sin_port & 0xFF,
        (lpwfs->lstnSocketAddress.sin_port & 0xFF00)>>8);

    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_PORT, szIPAddress, 0, 0, 0))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN,0, 0, 0);
    if (nResCode)
    {
        if (nResCode == 200)
            bSuccess = TRUE;
        else
            FTP_SetResponseError(nResCode);
    }

lend:
    return bSuccess;
}


/***********************************************************************
 *           FTP_DoPassive (internal)
 *
 * Tell server that we want to do passive transfers
 * and connect data socket
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 */
BOOL FTP_DoPassive(LPWININETFTPSESSIONA lpwfs)
{
    INT nResCode;
    BOOL bSuccess = FALSE;

    TRACE("\n");
    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_PASV, NULL, 0, 0, 0))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN,0, 0, 0);
    if (nResCode)
    {
        if (nResCode == 227)
	{
	    LPSTR lpszResponseBuffer = INTERNET_GetResponseBuffer();
	    LPSTR p;
	    int f[6];
	    int i;
	    char *pAddr, *pPort;
	    INT nsocket = -1;
	    struct sockaddr_in dataSocketAddress;

	    p = lpszResponseBuffer+4; /* skip status code */

	    /* do a very strict check; we can improve that later. */

	    if (strncmp(p, "Entering Passive Mode", 21))
	    {
		ERR("unknown response '%.*s', aborting\n", 21, p);
		goto lend;
	    }
	    p += 21; /* skip string */
	    if ((*p++ != ' ') || (*p++ != '('))
	    {
		ERR("unknown response format, aborting\n");
		goto lend;
	    }

	    if (sscanf(p, "%d,%d,%d,%d,%d,%d",  &f[0], &f[1], &f[2], &f[3],
				    		&f[4], &f[5]) != 6)
	    {
		ERR("unknown response address format '%s', aborting\n", p);
		goto lend;
	    }
	    for (i=0; i < 6; i++)
		f[i] = f[i] & 0xff;

	    dataSocketAddress = lpwfs->socketAddress;
	    pAddr = (char *)&(dataSocketAddress.sin_addr.s_addr);
	    pPort = (char *)&(dataSocketAddress.sin_port);
            pAddr[0] = f[0];
            pAddr[1] = f[1];
            pAddr[2] = f[2];
            pAddr[3] = f[3];
	    pPort[0] = f[4];
	    pPort[1] = f[5];

            nsocket = socket(AF_INET,SOCK_STREAM,0);
            if (nsocket == -1)
                goto lend;

	    if (connect(nsocket, (struct sockaddr *)&dataSocketAddress, sizeof(dataSocketAddress)))
            {
	        ERR("can't connect passive FTP data port.\n");
	        goto lend;
            }
	    lpwfs->pasvSocket = nsocket;
            bSuccess = TRUE;
	}
        else
            FTP_SetResponseError(nResCode);
    }

lend:
    return bSuccess;
}


BOOL FTP_SendPortOrPasv(LPWININETFTPSESSIONA lpwfs)
{
    if (lpwfs->hdr.dwFlags & INTERNET_FLAG_PASSIVE)
    {
        if (!FTP_DoPassive(lpwfs))
            return FALSE;
    }
    else
    {
	if (!FTP_SendPort(lpwfs))
            return FALSE;
    }
    return TRUE;
}


/***********************************************************************
 *           FTP_GetDataSocket (internal)
 *
 * Either accepts an incoming data socket connection from the server
 * or just returns the already opened socket after a PASV command
 * in case of passive FTP.
 *
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 */
BOOL FTP_GetDataSocket(LPWININETFTPSESSIONA lpwfs, LPINT nDataSocket)
{
    struct sockaddr_in saddr;
    size_t addrlen = sizeof(struct sockaddr);

    TRACE("\n");
    if (lpwfs->hdr.dwFlags & INTERNET_FLAG_PASSIVE)
    {
	*nDataSocket = lpwfs->pasvSocket;
    }
    else
    {
        *nDataSocket = accept(lpwfs->lstnSocket, (struct sockaddr *) &saddr, &addrlen);
        close(lpwfs->lstnSocket);
        lpwfs->lstnSocket = -1;
    }
    return *nDataSocket != -1;
}


/***********************************************************************
 *           FTP_SendData (internal)
 *
 * Send data to the server
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 */
BOOL FTP_SendData(LPWININETFTPSESSIONA lpwfs, INT nDataSocket, HANDLE hFile)
{
    BY_HANDLE_FILE_INFORMATION fi;
    DWORD nBytesRead = 0;
    DWORD nBytesSent = 0;
    DWORD nTotalSent = 0;
    DWORD nBytesToSend, nLen, nRC = 1;
    time_t s_long_time, e_long_time;
    LONG nSeconds;
    CHAR *lpszBuffer;

    TRACE("\n");
    lpszBuffer = HeapAlloc(GetProcessHeap(), 0, sizeof(CHAR)*DATA_PACKET_SIZE);
    memset(lpszBuffer, 0, sizeof(CHAR)*DATA_PACKET_SIZE);

    /* Get the size of the file. */
    GetFileInformationByHandle(hFile, &fi);
    time(&s_long_time);

    do
    {
        nBytesToSend = nBytesRead - nBytesSent;

        if (nBytesToSend <= 0)
        {
            /* Read data from file. */
            nBytesSent = 0;
            if (!ReadFile(hFile, lpszBuffer, DATA_PACKET_SIZE, &nBytesRead, 0))
            ERR("Failed reading from file\n");

            if (nBytesRead > 0)
                nBytesToSend = nBytesRead;
            else
                break;
        }

        nLen = DATA_PACKET_SIZE < nBytesToSend ?
            DATA_PACKET_SIZE : nBytesToSend;
        nRC  = send(nDataSocket, lpszBuffer, nLen, 0);

        if (nRC != -1)
        {
            nBytesSent += nRC;
            nTotalSent += nRC;
        }

        /* Do some computation to display the status. */
        time(&e_long_time);
        nSeconds = e_long_time - s_long_time;
        if( nSeconds / 60 > 0 )
        {
            TRACE( "%ld bytes of %ld bytes (%ld%%) in %ld min %ld sec estimated remainig time %ld sec\n",
            nTotalSent, fi.nFileSizeLow, nTotalSent*100/fi.nFileSizeLow, nSeconds / 60,
            nSeconds % 60, (fi.nFileSizeLow - nTotalSent) * nSeconds / nTotalSent );
        }
        else
        {
            TRACE( "%ld bytes of %ld bytes (%ld%%) in %ld sec estimated remainig time %ld sec\n",
            nTotalSent, fi.nFileSizeLow, nTotalSent*100/fi.nFileSizeLow, nSeconds,
            (fi.nFileSizeLow - nTotalSent) * nSeconds / nTotalSent);
        }
    } while (nRC != -1);

    TRACE("file transfer complete!\n");

    if(lpszBuffer != NULL)
        HeapFree(GetProcessHeap(), 0, lpszBuffer);

    return nTotalSent;
}


/***********************************************************************
 *           FTP_SendRetrieve (internal)
 *
 * Send request to retrieve a file
 *
 * RETURNS
 *   Number of bytes to be received on success
 *   0 on failure
 *
 */
DWORD FTP_SendRetrieve(LPWININETFTPSESSIONA lpwfs, LPCSTR lpszRemoteFile, DWORD dwType)
{
    INT nResCode;
    DWORD nResult = 0;

    TRACE("\n");
    if (!FTP_InitListenSocket(lpwfs))
        goto lend;

    if (!FTP_SendType(lpwfs, dwType))
        goto lend;

    if (!FTP_SendPortOrPasv(lpwfs))
        goto lend;

    if (!FTP_SendCommand(lpwfs->sndSocket, FTP_CMD_RETR, lpszRemoteFile, 0, 0, 0))
        goto lend;

    nResCode = FTP_ReceiveResponse(lpwfs->sndSocket, INTERNET_GetResponseBuffer(),
        MAX_REPLY_LEN, 0, 0, 0);
    if (nResCode)
    {
        if (nResCode == 125 || nResCode == 150)
        {
            /* Parse size of data to be retrieved */
            INT i, sizepos = -1;
	    LPSTR lpszResponseBuffer = INTERNET_GetResponseBuffer();
            for (i = strlen(lpszResponseBuffer) - 1; i >= 0; i--)
            {
                if ('(' == lpszResponseBuffer[i])
                {
                    sizepos = i;
                    break;
                }
            }

            if (sizepos >= 0)
            {
                nResult = atol(&lpszResponseBuffer[sizepos+1]);
                TRACE("Waiting to receive %ld bytes\n", nResult);
            }
        }
    }

lend:
    if (0 == nResult && lpwfs->lstnSocket != -1)
    {
        close(lpwfs->lstnSocket);
        lpwfs->lstnSocket = -1;
    }

    return nResult;
}


/***********************************************************************
 *           FTP_RetrieveData  (internal)
 *
 * Retrieve data from server
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 */
BOOL FTP_RetrieveFileData(LPWININETFTPSESSIONA lpwfs, INT nDataSocket, DWORD nBytes, HANDLE hFile)
{
    DWORD nBytesWritten;
    DWORD nBytesReceived = 0;
    INT nRC = 0;
    CHAR *lpszBuffer;

    TRACE("\n");

    if (INVALID_HANDLE_VALUE == hFile)
        return FALSE;

    lpszBuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CHAR)*DATA_PACKET_SIZE);
    if (NULL == lpszBuffer)
    {
        INTERNET_SetLastError(ERROR_OUTOFMEMORY);
        return FALSE;
    }

    while (nBytesReceived < nBytes && nRC != -1)
    {
        nRC = recv(nDataSocket, lpszBuffer, DATA_PACKET_SIZE, 0);
        if (nRC != -1)
        {
            /* other side closed socket. */
            if (nRC == 0)
                goto recv_end;
            WriteFile(hFile, lpszBuffer, nRC, &nBytesWritten, NULL);
            nBytesReceived += nRC;
        }

        TRACE("%ld bytes of %ld (%ld%%)\r", nBytesReceived, nBytes,
           nBytesReceived * 100 / nBytes);
    }

    TRACE("Data transfer complete\n");
    if (NULL != lpszBuffer)
        HeapFree(GetProcessHeap(), 0, lpszBuffer);

recv_end:
    return  (nRC != -1);
}


/***********************************************************************
 *           FTP_CloseSessionHandle (internal)
 *
 * Deallocate session handle
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 */
BOOL FTP_CloseSessionHandle(LPWININETFTPSESSIONA lpwfs)
{
    if (lpwfs->sndSocket != -1)
        close(lpwfs->sndSocket);

    if (lpwfs->lstnSocket != -1)
        close(lpwfs->lstnSocket);

    if (lpwfs->lpszPassword)
        HeapFree(GetProcessHeap(), 0, lpwfs->lpszPassword);

    if (lpwfs->lpszUserName)
        HeapFree(GetProcessHeap(), 0, lpwfs->lpszUserName);

    HeapFree(GetProcessHeap(), 0, lpwfs);

    return TRUE;
}


/***********************************************************************
 *           FTP_CloseSessionHandle (internal)
 *
 * Deallocate session handle
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 */
BOOL FTP_CloseFindNextHandle(LPWININETFINDNEXTA lpwfn)
{
    INT i;

    TRACE("\n");

    for (i = 0; i < lpwfn->size; i++)
    {
        if (NULL != lpwfn->lpafp[i].lpszName)
            HeapFree(GetProcessHeap(), 0, lpwfn->lpafp[i].lpszName);
    }

    HeapFree(GetProcessHeap(), 0, lpwfn->lpafp);
    HeapFree(GetProcessHeap(), 0, lpwfn);

    return TRUE;
}


/***********************************************************************
 *           FTP_ReceiveFileList (internal)
 *
 * Read file list from server
 *
 * RETURNS
 *   Handle to file list on success
 *   NULL on failure
 *
 */
HINTERNET FTP_ReceiveFileList(LPWININETFTPSESSIONA lpwfs, INT nSocket,
	LPWIN32_FIND_DATAA lpFindFileData, DWORD dwContext)
{
    DWORD dwSize = 0;
    LPFILEPROPERTIESA lpafp = NULL;
    LPWININETFINDNEXTA lpwfn = NULL;

    TRACE("\n");

    if (FTP_ParseDirectory(lpwfs, nSocket, &lpafp, &dwSize))
    {
        FTP_ConvertFileProp(lpafp, lpFindFileData);

        lpwfn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WININETFINDNEXTA));
        if (NULL != lpwfn)
        {
            lpwfn->hdr.htype = WH_HFINDNEXT;
            lpwfn->hdr.lpwhparent = (LPWININETHANDLEHEADER)lpwfs;
	    lpwfn->hdr.dwContext = dwContext;
            lpwfn->index = 1; /* Next index is 1 since we return index 0 */
            lpwfn->size = dwSize;
            lpwfn->lpafp = lpafp;
        }
    }

    TRACE("Matched %ld files\n", dwSize);
    return (HINTERNET)lpwfn;
}


/***********************************************************************
 *           FTP_ConvertFileProp (internal)
 *
 * Converts FILEPROPERTIESA struct to WIN32_FIND_DATAA
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 */
BOOL FTP_ConvertFileProp(LPFILEPROPERTIESA lpafp, LPWIN32_FIND_DATAA lpFindFileData)
{
    BOOL bSuccess = FALSE;

    ZeroMemory(lpFindFileData, sizeof(WIN32_FIND_DATAA));

    if (lpafp)
    {
        DWORD access = mktime(&lpafp->tmLastModified);

        /* Not all fields are filled in */
        lpFindFileData->ftLastAccessTime.dwHighDateTime = HIWORD(access);
        lpFindFileData->ftLastAccessTime.dwLowDateTime  = LOWORD(access);
        lpFindFileData->nFileSizeHigh = HIWORD(lpafp->nSize);
        lpFindFileData->nFileSizeLow = LOWORD(lpafp->nSize);

	if (lpafp->bIsDirectory)
	    lpFindFileData->dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY;

        if (lpafp->lpszName)
            strncpy(lpFindFileData->cFileName, lpafp->lpszName, MAX_PATH);

	bSuccess = TRUE;
    }

    return bSuccess;
}


/***********************************************************************
 *           FTP_ParseDirectory (internal)
 *
 * Parse string of directory information
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 * FIXME: - This function needs serious clea-up
 *        - We should consider both UNIX and NT list formats
 */
#define MAX_MONTH_LEN 10
#define MIN_LEN_DIR_ENTRY 15

BOOL FTP_ParseDirectory(LPWININETFTPSESSIONA lpwfs, INT nSocket, LPFILEPROPERTIESA *lpafp, LPDWORD dwfp)
{
  /*
   * <Permissions> <NoLinks> <owner>   <group> <size> <date>  <time or year> <filename>
   *
   * For instance:
   * drwx--s---     2         pcarrier  ens     512    Sep 28  1995           pcarrier
   */
    CHAR* pszMinutes;
    CHAR* pszHour;
    time_t aTime;
    struct tm* apTM;
    CHAR pszMonth[MAX_MONTH_LEN];
    CHAR* pszMatch;
    BOOL bSuccess = TRUE;
    DWORD nBufLen = MAX_REPLY_LEN;
    LPFILEPROPERTIESA curFileProp = NULL;
    CHAR* pszLine  = NULL;
    CHAR* pszToken = NULL;
    INT nTokenToSkip = 3;
    INT nCount = 0;
    INT nSeconds = 0;
    INT nMinutes = 0;
    INT nHour    = 0;
    INT nDay     = 0;
    INT nMonth   = 0;
    INT nYear    = 0;
    INT sizeFilePropArray = 20;
    INT indexFilePropArray = 0;

    TRACE("\n");

    /* Allocate intial file properties array */
    *lpafp = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(FILEPROPERTIESA)*(sizeFilePropArray));
    if (NULL == lpafp)
    {
        bSuccess = FALSE;
        goto lend;
    }

    while ((pszLine = INTERNET_GetNextLine(nSocket, INTERNET_GetResponseBuffer(), &nBufLen)) != NULL)
    {
        if (sizeFilePropArray <= indexFilePropArray)
        {
            LPFILEPROPERTIESA tmpafp;

            sizeFilePropArray *= 2;
            tmpafp = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, *lpafp,
                sizeof(FILEPROPERTIESA)*sizeFilePropArray);
            if (NULL == tmpafp)
            {
                bSuccess = FALSE;
                goto lend;
            }

            *lpafp = tmpafp;
        }

        curFileProp = &((*lpafp)[indexFilePropArray]);

        /* First Parse the permissions. */
        pszToken = strtok(pszLine, " \t" );

        /* HACK! If this is not a file listing skip the line */
        if (!pszToken || 10 != strlen(pszToken) || nBufLen <= MIN_LEN_DIR_ENTRY)
	{
            nBufLen = MAX_REPLY_LEN;
            continue;
	}

        FTP_ParsePermission(pszToken, curFileProp);

        nTokenToSkip = 3;
        nCount = 0;
        do
        {
            pszToken = strtok( NULL, " \t" );
            nCount++;
        } while( nCount <= nTokenToSkip );

        /* Store the size of the file in the param list. */
        TRACE("nSize-> %s\n", pszToken);
        if (pszToken != NULL)
            curFileProp->nSize = atol(pszToken);

        /* Parse last modified time. */
        nSeconds = 0;
        nMinutes = 0;
        nHour    = 0;
        nDay     = 0;
        nMonth   = 0;
        nYear    = 0;

        pszToken = strtok( NULL, " \t" );
        strncpy(pszMonth, pszToken, MAX_MONTH_LEN);
        CharUpperA(pszMonth);
        pszMatch = strstr(szMonths, pszMonth);
        if( pszMatch != NULL )
            nMonth = (pszMatch - szMonths) / 3;

        pszToken = strtok(NULL, " \t");
        TRACE("nDay -> %s\n", pszToken);
        if (pszToken != NULL)
            nDay = atoi(pszToken);

        pszToken = strtok(NULL, " \t");
        pszMinutes = strchr(pszToken, ':');
        if( pszMinutes != NULL )
        {
            pszMinutes++;
            nMinutes = atoi(pszMinutes);
            pszHour = pszMinutes - 3;
            if (pszHour != NULL)
                nHour = atoi(pszHour);
            time(&aTime);
            apTM = localtime( &aTime );
            nYear = apTM->tm_year;
        }
        else
        {
            nYear  = atoi(pszToken);
            nYear -= 1900;
            nHour  = 12;
        }

        curFileProp->tmLastModified.tm_sec  = nSeconds;
        curFileProp->tmLastModified.tm_min  = nMinutes;
        curFileProp->tmLastModified.tm_hour = nHour;
        curFileProp->tmLastModified.tm_mday = nDay;
        curFileProp->tmLastModified.tm_mon  = nMonth;
        curFileProp->tmLastModified.tm_year = nYear;

        pszToken = strtok(NULL, " \t");
        if(pszToken != NULL)
        {
            curFileProp->lpszName = FTP_strdup(pszToken);
            TRACE(": %s\n", curFileProp->lpszName);
        }

        nBufLen = MAX_REPLY_LEN;
        indexFilePropArray++;
    }

    if (bSuccess && indexFilePropArray)
    {
        if (indexFilePropArray < sizeFilePropArray - 1)
        {
            LPFILEPROPERTIESA tmpafp;

            tmpafp = HeapReAlloc(GetProcessHeap(), 0, *lpafp,
                sizeof(FILEPROPERTIESA)*indexFilePropArray);
            if (NULL == tmpafp)
                *lpafp = tmpafp;
        }
        *dwfp = indexFilePropArray;
    }
    else
    {
        HeapFree(GetProcessHeap(), 0, *lpafp);
        INTERNET_SetLastError(ERROR_NO_MORE_FILES);
        bSuccess = FALSE;
    }

lend:
    return bSuccess;
}


/***********************************************************************
 *           FTP_ParsePermission (internal)
 *
 * Parse permission string of directory information
 *
 * RETURNS
 *   TRUE on success
 *   FALSE on failure
 *
 */
BOOL FTP_ParsePermission(LPCSTR lpszPermission, LPFILEPROPERTIESA lpfp)
{
    BOOL bSuccess = TRUE;
    unsigned short nPermission = 0;
    INT nPos = 1;
    INT nLast  = 9;

    TRACE("\n");
    if ((*lpszPermission != 'd') && (*lpszPermission != '-') && (*lpszPermission != 'l'))
    {
        bSuccess = FALSE;
        return bSuccess;
    }

    lpfp->bIsDirectory = (*lpszPermission == 'd');
    do
    {
        switch (nPos)
        {
            case 1:
                nPermission |= (*(lpszPermission+1) == 'r' ? 1 : 0) << 8;
                break;
            case 2:
                nPermission |= (*(lpszPermission+2) == 'w' ? 1 : 0) << 7;
                break;
            case 3:
                nPermission |= (*(lpszPermission+3) == 'x' ? 1 : 0) << 6;
                break;
            case 4:
                nPermission |= (*(lpszPermission+4) == 'r' ? 1 : 0) << 5;
                break;
            case 5:
                nPermission |= (*(lpszPermission+5) == 'w' ? 1 : 0) << 4;
                break;
            case 6:
                nPermission |= (*(lpszPermission+6) == 'x' ? 1 : 0) << 3;
                break;
            case 7:
                nPermission |= (*(lpszPermission+7) == 'r' ? 1 : 0) << 2;
                break;
            case 8:
                nPermission |= (*(lpszPermission+8) == 'w' ? 1 : 0) << 1;
                break;
            case 9:
                nPermission |= (*(lpszPermission+9) == 'x' ? 1 : 0);
                break;
        }
        nPos++;
    }while (nPos <= nLast);

    lpfp->permissions = nPermission;
    return bSuccess;
}


/***********************************************************************
 *           FTP_SetResponseError (internal)
 *
 * Set the appropriate error code for a given response from the server
 *
 * RETURNS
 *
 */
DWORD FTP_SetResponseError(DWORD dwResponse)
{
    DWORD dwCode = 0;

    switch(dwResponse)
    {
	case 421: /* Service not available - Server may be shutting down. */
	    dwCode = ERROR_INTERNET_TIMEOUT;
	    break;

	case 425: /* Cannot open data connection. */
	    dwCode = ERROR_INTERNET_CANNOT_CONNECT;
	    break;

	case 426: /* Connection closed, transer aborted. */
	    dwCode = ERROR_INTERNET_CONNECTION_ABORTED;
	    break;

	case 500: /* Syntax error. Command unrecognized. */
	case 501: /* Syntax error. Error in parameters or arguments. */
	    dwCode = ERROR_INTERNET_INCORRECT_FORMAT;
	    break;

	case 530: /* Not logged in. Login incorrect. */
	    dwCode = ERROR_INTERNET_LOGIN_FAILURE;
	    break;

	case 550: /* File action not taken. File not found or no access. */
	    dwCode = ERROR_INTERNET_ITEM_NOT_FOUND;
	    break;

	case 450: /* File action not taken. File may be busy. */
	case 451: /* Action aborted. Server error. */
	case 452: /* Action not taken. Insufficient storage space on server. */
	case 502: /* Command not implemented. */
	case 503: /* Bad sequence of command. */
	case 504: /* Command not implemented for that parameter. */
	case 532: /* Need account for storing files */
	case 551: /* Requested action aborted. Page type unknown */
	case 552: /* Action aborted. Exceeded storage allocation */
	case 553: /* Action not taken. File name not allowed. */

	default:
            dwCode = ERROR_INTERNET_INTERNAL_ERROR;
	    break;
    }

    INTERNET_SetLastError(dwCode);
    return dwCode;
}
