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iocp socks5源码

发表于: 2006-4-11 15:27 8489

iocp socks5源码

lemony

2006-4-11 15:27

8489

#include <winsock2.h>
#include <stdio.h>
#pragma comment(lib,"ws2_32")

#pragma warning(disable: 4312)

DWORD WINAPI ServerWorkerThread(LPVOID lpParameter);

#define IOSend 1000
#define IORecv 2000

struct TCPHANDLE
{
SOCKET Sousockid;
SOCKET Desockid;
};

struct IODATA
{
struct
{
WSAOVERLAPPED Overlapped;
DWORD Operation;
WSABUF buf;
char databuf[1024];
}Sou;

struct
{
WSAOVERLAPPED Overlapped;
DWORD Operation;
WSABUF buf;
char databuf[1024];
}De;
};

void main()
{
WSADATA wsaData;
WSAStartup(0x202,&wsaData);

HANDLE CompetionPort = CreateIoCompletionPort(INVALID_HANDLE_VALUE,NULL,0,0);

SYSTEM_INFO SystenInfo;
GetSystemInfo(&SystenInfo);

for(int i=0;i<SystenInfo.dwNumberOfProcessors*2;i++)
{
CloseHandle(CreateThread(NULL,0,ServerWorkerThread,CompetionPort,0,NULL));
}

SOCKET Listen = socket(AF_INET,SOCK_STREAM,0);

sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_addr.S_un.S_addr = INADDR_ANY;
addr.sin_port = htons(1080);

bind(Listen,(sockaddr*)&addr,sizeof(addr));

listen(Listen,5);

TCPHANDLE *tcphandle;
IODATA *iodata;
DWORD Flags;
DWORD RecvBytes;

while(TRUE)
{
SOCKET Accept = accept(Listen,NULL,NULL);

tcphandle = (TCPHANDLE *)GlobalAlloc(GPTR,sizeof(TCPHANDLE));
tcphandle->Sousockid = Accept;
CreateIoCompletionPort((HANDLE)Accept,CompetionPort,(DWORD)tcphandle,0);

iodata = (IODATA *)GlobalAlloc(GPTR,sizeof(IODATA));

iodata->Sou.buf.buf = iodata->Sou.databuf;
iodata->Sou.buf.len = sizeof(iodata->Sou.databuf);
iodata->Sou.Operation = IORecv;

Flags = 0;
WSARecv(tcphandle->Sousockid,&iodata->Sou.buf,1,&RecvBytes,&Flags,&iodata->Sou.Overlapped,NULL);
}
}

DWORD WINAPI ServerWorkerThread(LPVOID lpParameter)
{
DWORD BytesTransferred;
DWORD SendBytes;
DWORD RecvBytes;
DWORD Flags;
DWORD Handle;

IODATA *iodata;
TCPHANDLE *tcphandle;

while(TRUE)
{
GetQueuedCompletionStatus((HANDLE)lpParameter,&BytesTransferred,&Handle,(LPOVERLAPPED*)&iodata,INFINITE);

if (BytesTransferred == 0)
{
closesocket(((TCPHANDLE*)Handle)->Sousockid);;

GlobalFree((HGLOBAL)Handle);
GlobalFree(iodata);
continue;
}

int SockType;
int SockTypelen = sizeof(SockType);
getsockopt(((TCPHANDLE*)Handle)->Sousockid,SOL_SOCKET,SO_TYPE,(char*)&SockType,&SockTypelen);

switch(SockType)
{
case SOCK_STREAM:
{
switch(iodata->Sou.Operation)
{
case IOSend:
{
if (iodata->Sou.buf.len - BytesTransferred != 0)
{
ZeroMemory(&iodata->Sou.Overlapped,sizeof(iodata->Sou.Overlapped));

iodata->Sou.buf.buf += BytesTransferred;
iodata->Sou.buf.len -= BytesTransferred;

if (SOCKET_ERROR == WSASend(((TCPHANDLE*)Handle)->Sousockid,&iodata->Sou.buf,1,&SendBytes,0,&iodata->Sou.Overlapped,NULL))
{
if (WSAGetLastError() != WSA_IO_PENDING)
{
closesocket(((TCPHANDLE*)Handle)->Sousockid);

GlobalFree((HGLOBAL)Handle);
GlobalFree(iodata);
continue;
}
}
}

break;
}
case IORecv:
{
ZeroMemory(&iodata->Sou.Overlapped,sizeof(iodata->Sou.Overlapped));
ZeroMemory(&iodata->De.Overlapped,sizeof(iodata->De.Overlapped));

if (iodata->Sou.databuf[0] == 5 && iodata->Sou.databuf[1] == 1 && iodata->Sou.databuf[2] == 0 && BytesTransferred == 3)
{
iodata->De.databuf[0] = 5;
iodata->De.databuf[1] = 0;

iodata->De.buf.buf = iodata->De.databuf;
iodata->De.buf.len = 2;
iodata->De.Operation = IOSend;

if (SOCKET_ERROR == WSASend(((TCPHANDLE*)Handle)->Sousockid,&iodata->De.buf,1,&SendBytes,0,&iodata->De.Overlapped,NULL))
{
if (WSAGetLastError() != WSA_IO_PENDING)
{
closesocket(((TCPHANDLE*)Handle)->Sousockid);

GlobalFree((HGLOBAL)Handle);
GlobalFree(iodata);
continue;
}
}
}
else if (iodata->Sou.databuf[0] == 5 && iodata->Sou.databuf[1] == 1 && iodata->Sou.databuf[2] == 0 && iodata->Sou.databuf[3] == 1)
{
tcphandle = (TCPHANDLE *)GlobalAlloc(GPTR,sizeof(TCPHANDLE));

tcphandle->Sousockid = socket(AF_INET,SOCK_STREAM,0);
tcphandle->Desockid = ((TCPHANDLE*)Handle)->Sousockid;

((TCPHANDLE*)Handle)->Desockid = tcphandle->Sousockid;

sockaddr_in addr;
addr.sin_family = AF_INET;
CopyMemory(&addr.sin_addr,&iodata->Sou.databuf[4],4);
CopyMemory(&addr.sin_port,&iodata->Sou.databuf[8],2);

bind(tcphandle->Sousockid,(sockaddr*)&addr,sizeof(addr));

DWORD time = GetTickCount();
if (SOCKET_ERROR == connect(tcphandle->Sousockid,(sockaddr*)&addr,sizeof(addr)))
{
Sleep(1);
}

if (GetTickCount()-time > 1000)
{
printf("连接耗时%d毫秒\n",GetTickCount()-time);
}

if (NULL == CreateIoCompletionPort((HANDLE)tcphandle->Sousockid,(HANDLE)lpParameter,(DWORD)tcphandle,0))
{
Sleep(1);
}

IODATA *otheriodata = (IODATA *)GlobalAlloc(GPTR,sizeof(IODATA));

otheriodata->Sou.buf.buf = otheriodata->Sou.databuf;
otheriodata->Sou.buf.len = sizeof(otheriodata->Sou.databuf);
otheriodata->Sou.Operation = IORecv;

Flags = 0;
if (SOCKET_ERROR == WSARecv(tcphandle->Sousockid,&otheriodata->Sou.buf,1,&RecvBytes,&Flags,&otheriodata->Sou.Overlapped,NULL))
{
if (WSAGetLastError() != WSA_IO_PENDING)
{
closesocket(tcphandle->Sousockid);

GlobalFree(tcphandle);
GlobalFree(otheriodata);
continue;
}
}

iodata->De.databuf[0] = 5;
iodata->De.databuf[1] = 0;
iodata->De.databuf[2] = 0;
iodata->De.databuf[3] = 1;

sockaddr_in localaddr;
int localaddrlen = sizeof(localaddr);
getsockname(((TCPHANDLE*)Handle)->Sousockid,(sockaddr*)&localaddr,&localaddrlen);

CopyMemory(&iodata->De.databuf[4],&localaddr.sin_addr,4);
CopyMemory(&iodata->De.databuf[8],&localaddr.sin_port,2);

iodata->De.buf.buf = iodata->De.databuf;
iodata->De.buf.len = 10;
iodata->De.Operation = IOSend;

if(SOCKET_ERROR == WSASend(((TCPHANDLE*)Handle)->Sousockid,&iodata->De.buf,1,&SendBytes,0,&iodata->De.Overlapped,NULL))
{
if (WSAGetLastError() != WSA_IO_PENDING)
{
closesocket(((TCPHANDLE*)Handle)->Sousockid);

GlobalFree((HGLOBAL)Handle);
GlobalFree(iodata);
continue;
}
}
}
else
{
CopyMemory(iodata->De.databuf,iodata->Sou.databuf,BytesTransferred);

iodata->De.buf.buf = iodata->De.databuf;
iodata->De.buf.len = BytesTransferred;
iodata->De.Operation = IOSend;

if (SOCKET_ERROR == WSASend(((TCPHANDLE*)Handle)->Desockid,&iodata->De.buf,1,&SendBytes,0,&iodata->De.Overlapped,NULL))
{
if (WSAGetLastError() != WSA_IO_PENDING)
{
DWORD ret = WSAGetLastError(); //10038
closesocket(((TCPHANDLE*)Handle)->Sousockid);

GlobalFree((HGLOBAL)Handle);
GlobalFree(iodata);
continue;
}
}
}

iodata->Sou.buf.buf = iodata->Sou.databuf;
iodata->Sou.buf.len = sizeof(iodata->Sou.databuf);
iodata->Sou.Operation = IORecv;

Flags = 0;
if (SOCKET_ERROR == WSARecv(((TCPHANDLE*)Handle)->Sousockid,&iodata->Sou.buf,1,&RecvBytes,&Flags,&iodata->Sou.Overlapped,NULL))
{
if (WSAGetLastError() != WSA_IO_PENDING)
{
DWORD ret = WSAGetLastError();
closesocket(((TCPHANDLE*)Handle)->Sousockid);

GlobalFree((HGLOBAL)Handle);
GlobalFree(iodata);
continue;
}
}

break;
}
}
break;
}
case SOCK_DGRAM:
{
break;
}
}

}

return 0;
}

程序存在一些小问题～～
希望高手可以指出来～～～

我一直没有检查到哪里有问题～～～～

[招生]科锐逆向工程师培训(2024年11月15日实地，远程教学同时开班, 第51期)

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cgdxxx 雪币： 212 活跃值： (14) 能力值： ( LV2，RANK：10 ) 在线值：发帖 13 回帖 159 粉丝 0 关注私信	cgdxxx 2 楼没有处理粘包，另外大流量的时候会乱序 2006-4-14 13:07 0
Anskya 雪币： 1272 活跃值： (746) 能力值： ( LV13，RANK：810 ) 在线值：发帖 25 回帖 94 粉丝 29 关注私信	Anskya 20 3 楼个人感觉用完成端口来作代理之类的程序有点不可是. Win9x下就有点问题喽.. 线程池没作好.大量数据包也不会有好结果. 不过学习与参考的价值颇高 2006-4-14 17:28 0
lemony 雪币： 235 活跃值： (100) 能力值： ( LV4，RANK：50 ) 在线值：发帖 32 回帖 174 粉丝 0 关注私信	lemony 1 4 楼我想要知道改程序的具体缺陷在什么地方～～～不考虑9x 2006-4-14 17:53 0
lemony 雪币： 235 活跃值： (100) 能力值： ( LV4，RANK：50 ) 在线值：发帖 32 回帖 174 粉丝 0 关注私信	lemony 1 5 楼当然connect这个地方也有缺陷，如果几个工作线程同时执行connect函数，并且需要连接的地址无效，或者很慢的情况下，会导致整个程序的效率下降～～这个是后续可以优化的～～目前的问题是，程序存在崩溃的问题，而且没有找到导致崩溃的原因再哪里 2006-4-14 17:56 0
Aker 雪币： 2134 活跃值： (14) 能力值： (RANK：170 ) 在线值：发帖 50 回帖 773 粉丝 3 关注私信	Aker 4 6 楼可以给一点注释和讲解么，对这块不是很了解 2006-4-15 16:41 0
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最新回复 (5)
cgdxxx 雪币： 212 活跃值： (14) 能力值： ( LV2，RANK：10 ) 在线值：发帖 13 回帖 159 粉丝 0 关注私信	cgdxxx 2 楼没有处理粘包，另外大流量的时候会乱序 2006-4-14 13:07 0
Anskya 雪币： 1272 活跃值： (746) 能力值： ( LV13，RANK：810 ) 在线值：发帖 25 回帖 94 粉丝 29 关注私信	Anskya 20 3 楼个人感觉用完成端口来作代理之类的程序有点不可是. Win9x下就有点问题喽.. 线程池没作好.大量数据包也不会有好结果. 不过学习与参考的价值颇高 2006-4-14 17:28 0
lemony 雪币： 235 活跃值： (100) 能力值： ( LV4，RANK：50 ) 在线值：发帖 32 回帖 174 粉丝 0 关注私信	lemony 1 4 楼我想要知道改程序的具体缺陷在什么地方～～～不考虑9x 2006-4-14 17:53 0
lemony 雪币： 235 活跃值： (100) 能力值： ( LV4，RANK：50 ) 在线值：发帖 32 回帖 174 粉丝 0 关注私信	lemony 1 5 楼当然connect这个地方也有缺陷，如果几个工作线程同时执行connect函数，并且需要连接的地址无效，或者很慢的情况下，会导致整个程序的效率下降～～这个是后续可以优化的～～目前的问题是，程序存在崩溃的问题，而且没有找到导致崩溃的原因再哪里 2006-4-14 17:56 0
Aker 雪币： 2134 活跃值： (14) 能力值： (RANK：170 ) 在线值：发帖 50 回帖 773 粉丝 3 关注私信	Aker 4 6 楼可以给一点注释和讲解么，对这块不是很了解 2006-4-15 16:41 0
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