c语言ftp软件代码文档,FTP服务器客户端源代码C语言.pdf

FTP 服务器源代码：

#include "Winsock.h"

#include "windows.h"

#include "stdio.h"

#define RECV_PORT 200

#define SEND_PORT 3000

#pragma comment(lib, "wsock32.lib")

SOCKET sock,sock1,sockdir,sockput,sockget;

sockaddr_in ServerAddr;

sockaddr_in ClientAddr;

int Addrlen;//地址长度

char filename[20];//文件名

char order[10];//命令

char rbuff[1024];//接收缓冲区

char sbuff[1024];//发送缓冲区

//初始化winsock

DWORD StartSock()

{WSADATA WSAData;

if(WSAStartup(MAKEWORD(2,2),&WSAData)!=0)

{printf("sock init fail!n");

return (-1);

}

return(1);

}

DWORD CreateSocket()

{

sock=socket(AF_INET,SOCK_STREAM,0);/* 建立套接字 */

if(sock==SOCKET_ERROR)

{

printf("sock create fail !n");

WSACleanup();

return(-1);

}

ServerAddr.sin_family=AF_INET;

ServerAddr.sin_addr.s_addr=htonl(INADDR_ANY); /* 任意网络接口 */

ServerAddr.sin_port=htons(RECV_PORT);

if(bind(sock,(struct sockaddr FAR *)&ServerAddr,sizeof(ServerAddr))==SOCKET_ERROR)

{

printf("bind is the error");

return(-1);

}

return (1);

}

//发送文件

int SendFileRecord(SOCKET datatcps,WIN32_FIND_DATA *pfd)

//used to send response to client

{

char filerecord[MAX_PATH+32];

FILETIMEft;

FileTimeToLocalFileTime(&pfd->ftLastWriteTime,&ft);

SYSTEMTIME lastwtime;

FileTimeToSystemTime(&ft,&lastwtime);

char *dir=pfd->dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY?"

sprintf(filerecord,"%04d-%02d-%02d %02d:%02d %5s %10d %-40sn",

lastwtime.wYear,

lastwtime.wMonth,

lastwtime.wDay,

lastwtime.wHour,

lastwtime.wMinute,

dir,

pfd->nFileSizeLow,

pfd->cFileName);

if(send(datatcps,filerecord,strlen(filerecord),0)==SOCKET_ERROR)

{

printf("Error occurs when sending file list!n");

return 0;

}

return 1;

}

int SendFileList(SOCKET datatcps)

{

HANDLE hff;

WIN32_FIND_DATA fd;

//搜索文件

hff=FindFirstFile("*",&fd);

if(h