tftpserver.h

tftpServer 是支持tftp(trivial file transport protocol)协议的服务器程序

/**************************************************************************
*   Copyright (C) 2005 by Achal Dhir                                      *
*   [e-mail]                                                   *
*                                                                         *
*   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 2 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, write to the                         *
*   Free Software Foundation, Inc.,                                       *
*   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
***************************************************************************/

// tftpserver.h

//Constants
#define WORD unsigned short
#define BYTE unsigned char
#define DWORD unsigned long
#define SOCKET int

struct ack
{
	WORD opcode;
	union
	{
		WORD block;
		char buffer[510];
	};
};

struct packet
{
	WORD opcode;
	WORD block;
	char buffer;
};

struct tftperror
{
	WORD opcode;
	WORD errorcode;
	char errormessage[508];
};

struct request
{
	struct timeval tv;
	fd_set readfds;
	pthread_t threadId;
	int m_socket;
	BYTE attempt;
	char path[256];
	FILE *file;
	char *filename;
	char *mode;
	char *alias;
	DWORD blksize;
	DWORD interval;
	WORD block;
	WORD fblock;
	int bytesReceived;
	int bytesRead;
	int bytesSent;
	struct sockaddr_in client;
	socklen_t clientsize;
	struct packet* pkt;
	union
	{
		struct ack acout;
		struct tftperror serverError;
	};
	union
	{
		struct ack datain;
		struct tftperror clientError;
	};
	SOCKET knock;
};

struct data2
{
	SOCKET sock;
	struct sockaddr_in addr;
	DWORD server;
	WORD port;
	char homedir[256];
	char overwrite;
	BYTE logLevel;
	int minport;
	int maxport;
};