//?MySocks5.cpp?:?Defines?the?entry?point?for?the?console?application.
//
#include?“stdafx.h“
#include?“MySocks5.h“
#include?“afxsock.h“


#ifdef?_DEBUG
#define?new?DEBUG_NEW
#undef?THIS_FILE
static?char?THIS_FILE[]?=?__FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
//?The?one?and?only?application?object
#define?HTTP??“http://“
#define?FTP???“ftp://“
#define?MAXBUFFERSIZE??????20*1024??????//緩沖區大小

CWinApp?theApp;
using?namespace?std;

//Proxy?端口
UINT?pport=1180;
UINT?ProxyToServer（LPVOID?pParam）;
UINT?UserToProxy（LPVOID?pParam）;

struct?ProxySockets
{
????SOCKET??user_proxy;			//本地機器到PROXY?服務機的socket
	SOCKET??proxy_server;		//PROXY?服務機到遠程主機的socket
	BOOL????IsUser_ProxyClosed;?//?本地機器到PROXY?服務機狀態
	BOOL????IsProxy_ServerClosed;?//?PROXY?服務機到遠程主機狀態
};

struct?ProxyParam
{
	char?Address[256];????//?遠程主機地址
	HANDLE?User_SvrOK;????//?PROXY?服務機到遠程主機的聯結狀態
	ProxySockets?*pPair;????//?維護一組SOCKET的指針
	int?????Port;?????????//?用來聯結遠程主機的端口
};???????????????????//這個結構用來PROXY?SERVER與遠程主機的信息交換.
SOCKET????listen_socket;???//用來偵聽的SOCKET。

int?StartProxyServer（）??//啟動服務
{
?????WSADATA?wsaData;
?????sockaddr_in?local;
?????SOCKET?listen_socket;
?????if（::WSAStartup（0x202&wsaData）!=0）
?????{
???????????printf（“\nError?in?Startup?session.\n“）;WSACleanup（）;
???????????return?-1;
?????}
?????local.sin_family=AF_INET;
?????local.sin_addr.s_addr=INADDR_ANY;
?????local.sin_port=htons（pport）;
?????listen_socket=socket（AF_INETSOCK_STREAM0）;
?????if（listen_socket==INVALID_SOCKET）
?????{
		printf（“\nError?in?New?a?Socket.“）;WSACleanup（）;
		return?-2;
?????}
?????if（::bind（listen_socket（sockaddr?*）&localsizeof（local））!=0）
?????{
		printf（“\n?Error?in?Binding?socket.“）;
		WSACleanup（）;
		return?-3;	
?????}
	if（::listen（listen_socket5）!=0）
	{
		printf（“\n?Error?in?Listen.“）;
		WSACleanup（）;?
		return?-4;
	}
	::listen_socket=listen_socket;?
	AfxBeginThread（UserToProxyNULL）;???//啟動偵聽
	return?1;
}
int?CloseServer（）??//關閉服務
{
	closesocket（listen_socket）;
	WSACleanup（）;
	return?1;
}
//分析接收到的字符，得到遠程主機地址
int?ResolveInformation（?char?*?str?char?*address?int?*?port）
{
	char?buf[MAXBUFFERSIZE]?command[512]?proto[128]?*p;
	int?j;
	sscanf（str“%s%s%s“commandbufproto）;
	p=strstr（bufHTTP）;
	//HTTP
	if（p）
	{
		p+=strlen（HTTP）;
		for（int?i=0;i			if（?*（p+i）==‘/‘）?break;
		*（p+i）=0;
		strcpy（addressp）;
		p=strstr（strHTTP）;
		//去掉遠程主機名:?
		//GET?http://www.njust.edu.cn/?HTTP1.1??==?>?GET?/?HTTP1.1
		for（int?j=0;j			*（p+j）=‘?‘;
		//缺省的?http?端口?
		*port=80;??????
	}
	else
	{
		//FTP?不支持?下面的代碼可以省略.
		p=strstr（bufFTP）;
		if（!p）?return?0;
		p+=strlen（FTP）;
		for（int?i=0;i			if（?*（p+i）==‘/‘）?break;??????//Get?The?Remote?Host
		*（p+i）=0;
		for（j=0;j			if（*（p+j）==‘:‘）?
			{
				*port=atoi（p+j+1）;????//Get?The?Port
				*（p+j）=0;
			}
			else?*port=2

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????17248??2008-09-24?09:34??SOCKET5SERVER\MySocks5.aps

?????文件????????245??2003-11-28?23:21??SOCKET5SERVER\MySocks5.clw

?????文件???????9843??2003-11-29?00:28??SOCKET5SERVER\MySocks5.cpp

?????文件???????4308??2003-11-28?23:21??SOCKET5SERVER\MySocks5.dsp

?????文件????????541??2003-11-28?23:21??SOCKET5SERVER\MySocks5.dsw

?????文件????????332??2003-11-28?23:21??SOCKET5SERVER\MySocks5.h

?????文件??????66560??2008-09-24?09:34??SOCKET5SERVER\MySocks5.ncb

?????文件??????49664??2008-09-24?09:34??SOCKET5SERVER\MySocks5.opt

?????文件???????2229??2008-09-24?09:34??SOCKET5SERVER\MySocks5.plg

?????文件???????1457??2003-11-28?23:21??SOCKET5SERVER\MySocks5.rc

?????文件???????1619??2003-11-28?23:21??SOCKET5SERVER\ReadMe.txt

?????文件????????449??2003-11-28?23:21??SOCKET5SERVER\Resource.h

?????文件????????295??2003-11-28?23:21??SOCKET5SERVER\StdAfx.cpp

?????文件???????1106??2003-11-28?23:21??SOCKET5SERVER\StdAfx.h

?????目錄??????????0??2008-09-24?09:41??SOCKET5SERVER

-----------?---------??----------?-----??----

???????????????155896????????????????????15