FTP客户端C 版

return false; //-----------获得CWD命令的应答信息-----------------------if (RecvReply()) {
cout << "nReplyCode:" << nReplycode << endl; if (nReplycode == 250)//257:
return false; } //获取FTP服务器数据端口、 unsigned short ServerPort; ServerPort = unsigned short((atoi(part[4]) << 8) + atoi(part[5])); //创建数据连接Socket SocketData = socket(AF_INET, SOCK_STREAM, 0); if (SocketData == INVALID_SOCKET){
if (nConnect == SOCKET_ERROR){ cout << endl << "Server connect error!" << endl; return false;
} return true; }
bool FTPClient::mkdirectory() //FTP服务器发送MKD命令 {
if (!ishavedetail){ cout << "请输入你要创建的文件夹名："; memset(CmdBuf, 0, MAX_SIZE); cin.getline(CmdBuf, MAX_SIZE, '\n');
} memset(Command, 0, MAX_SIZE); memcpy(Command, "MKD ", strlen("MKD ")); memcpy(Command + strlen("MKD "), CmdBuf, strlen(CmdBuf)); memcpy(Command + strlen("MKD ") + strlen(CmdBuf), "\r\n", 2); //cout<<"Command:"<<Command<<endl; if (!SendCommand())
cout << "Create socket error!" << endl; return false; } //定义Socket地址和端口 sockaddr_in serveraddr2; memset(&serveraddr2, 0, sizeof(serveraddr2)); serveraddr2.sin_family = AF_INET; serveraddr2.sin_port = htons(ServerPort); serveraddr2.sin_addr.S_un.S_addr = inet_addr(ServerAddr); //向FTP服务器发送Connect请求 int nConnect; nConnect = connect(SocketData, (sockaddr*)&serveraddr2, sizeof(serveraddr2));
{
WSADATA WSAData;
//WSADAT:WSADATA结构被用来储存调用
AfxSocketInit全局函数返回的Windows Sockets初始化信息
if (WSAStartup(MAKEWORD(2, 2), &WSAData) != 0) //WSAStartup：初始化当前线程通信环境
//向FTP服务器发送PASS命令
void subcommend(string& filepath,string& filename); //输入和转换IP地址
void storfile(char* FTPIP);
//上传文件
void retrfile(char* FTPIP);
//下载文件
void listftp(char* FTPIP);
serveraddr.sin_port = htons(port);//端口
serveraddr.sin_addr.S_un.S_addr = inet_addr(FTPIP);//地址
//向FTP服务器发送Connect请求 cout << "FTP>Control connect..." << endl; int nConnect = connect(SocketControl, (sockaddr*)&serveraddr, sizeof(serveraddr)); if (nConnect == SOCKET_ERROR) {
（1）头文件：FTPClient.h
#include<conio.h>
#define MAX_SIZE 4096
#include<iostream>
#include<winsock2.h>
#include<string>
#include<fstream>
#pragma comment(lib,"ws2_32.lib")
memcpy(Command, "CWD ", strlen("CWD ")); memcpy(Command + strlen("CWD "), CmdBuf, strlen(CmdBuf)); memcpy(Command + strlen("CWD ") + strlen(CmdBuf), "\r\n", 2); if (!SendCommand())
//FTP服务器发送MKD命令
bool changedir();
//FTP服务器发送CWD命令
bool FTPConnection(char* FTPIP,int port); //建立与Socket库绑定
bool useuser();
//向FTP服务器发送USER命令
bool usepass();
//获取PASV命令的应答信息 if (RecvReply()){
if (nReplycode != 227){ cout << "PASV response error!" << endl; closesocket(SocketControl); return false;
} } //分离PASV命令应答信息 char* part[6]; if (strtok(ReplyMsg, "(")) {
bool FTPClient::RecvReply() //控制连接接收 {
int nRecv; memset(ReplyMsg, 0, MAX_SIZE); nRecv = recv(SocketControl, ReplyMsg, MAX_SIZE, 0); if (nRecv == SOCKET_ERROR) {
for (int i = 0; i < 5; i++) {
part[i] = strtok(NULL, ","); if (!part[i])
return false; } part[5] = strtok(NULL, ")"); if (!part[5])
return false; } else {
char ReplyMsg[MAX_SIZE];
private:
int nReplycode;
bool bConnected;
bool buser;
SOCKET SocketControl;
SOCKET SocketData;
};
（2）源文件：FTPClient.cpp
#include<conio.h>
#define MAX_SIZE 4096
#include<iostream>
#include<winsock2.h>
#include<string>
#include<fstream> #include"FTPClient.h" using namespace std; #pragma comment(lib,"ws2_32.lib")
{
cout << "Creat socket error!" << endl;
return false;
}
//定义Socket地址和端口
sockaddr_in serveraddr;
memset(&serveraddr, 0, sizeof(serveraddr));
serveraddr.sin_family = AF_INET;//
MAKEWORD：合并短整数
{
cout << "WSAStartup error!" << endl;
return false;
}
//创建控制连接Socket
SocketControl = socket(AF_INET, SOCK_STREAM, 0);
if (SocketControl == INVALID_SOCKET)
return false; //-----------获得MKD命令的应答信息-----------------------if (RecvReply()) {