ftp.h

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/*
**  Command & Conquer Generals Zero Hour(tm)
**  Copyright 2025 Electronic Arts Inc.
**
**  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 3 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, see <http://www.gnu.org/licenses/>.
*/
 
// ftp.h : Declaration of the Cftp
 
#ifndef __FTP_H_
#define __FTP_H_
 
 
//#include "../resource.h"       // main symbols
 
#include "winsock.h"
#include "stdio.h"
 
#include "WWDownload/ftpdefs.h"
 
// FTP server return codes.  See RFC 959
 
#define FTPREPLY_SERVEROK       220
#define FTPREPLY_PASSWORD       331
#define FTPREPLY_LOGGEDIN       230
#define FTPREPLY_PORTOK         200
#define FTPREPLY_TYPEOK         200
#define FTPREPLY_RESTARTOK      350
#define FTPREPLY_CWDOK          250
#define FTPREPLY_OPENASCII      150
#define FTPREPLY_OPENBINARY     150
#define FTPREPLY_COMPLETE       226
#define FTPREPLY_CONTROLCLOSED  421
 
// Temporary download file name
 
#define FTP_TEMPFILENAME    "..\\__~DOWN_L~D"
 

// Cftp
class Cftp 
{
private:
    friend class CDownload;
 
    int     m_iCommandSocket;                           // Socket for commands
    int     m_iDataSocket;                              // Socket for data
 
    struct sockaddr_in m_CommandSockAddr;               // Address for commands
    struct sockaddr_in m_DataSockAddr;                  // Address for data
 
    int     m_iFilePos;                                 // Byte offset into file
    int     m_iBytesRead;                               // Number of bytes downloaded
    int     m_iFileSize;                                // Total size of the file
    char    m_szRemoteFilePath[128];                
    char    m_szRemoteFileName[128];
    char    m_szLocalFilePath[128];
    char    m_szLocalFileName[128];
    char    m_szServerName[128];
    char    m_szUserName[128];
    char    m_szPassword[128];
    FILE *  m_pfLocalFile;
    int     m_iStatus;
    
    int     m_sendNewPortStatus;
    int     m_findStart;
 
    int     SendData( char * pData, int iSize );
    int     RecvData( char * pData, int iSize );
    int     SendNewPort();
    int     OpenDataConnection();
    void        CloseDataConnection();
    int     AsyncGetHostByName( char * szName, struct sockaddr_in &address );
 
                // Convert a local filename into a temp filename to download into
    void        GetDownloadFilename( const char* localname, char* downloadname);
 
    void        CloseSockets(void);
    void        ZeroStuff(void);
 
 
public:
    Cftp();
    virtual ~Cftp();
 
public:
    HRESULT ConnectToServer(LPCSTR szServerName);
    HRESULT DisconnectFromServer();
 
    HRESULT LoginToServer( LPCSTR szUserName, LPCSTR szPassword );
    HRESULT LogoffFromServer( void );
 
    HRESULT FindFile( LPCSTR szRemoteFileName, int * piSize );
 
    HRESULT FileRecoveryPosition( LPCSTR szLocalFileName, LPCSTR szRegistryRoot );
    HRESULT RestartFrom( int i ) { m_iFilePos = i; return FTP_SUCCEEDED;  };
 
    HRESULT GetNextFileBlock( LPCSTR szLocalFileName, int * piTotalRead );
 
    HRESULT RecvReply( LPCSTR pReplyBuffer, int iSize, int * piRetCode );
    HRESULT SendCommand( LPCSTR pCommand, int iSize );
 
};
 
#endif //__FTP_H_