#include<stdio.h>
#include<string.h>
#include<conio.h>
#include<stdlib.h>
#include<windows.h>
#include <time.h> 

int i=0,j=0;
int b=0,c=0;
char times[]="00:00:00";
char name[20];

void getinfo();         /*獲取客戶端信息*/
void gettime();         /*獲取時(shí)間*/
void del();             /*執(zhí)行清除連接服務(wù)器殘留文件與服務(wù)必要文件bat,vbs*/
void load();            /*進(jìn)程監(jiān)控后半段*/
void bat();             /*生成清除連接服務(wù)器殘留文件與服務(wù)bat*/
void vbs();             /*生產(chǎn)執(zhí)行清除殘留的bat的vbs*/
void xx();
main()
{
      Sleep(1000);
      getinfo();
      for(;;)
      {load(); Sleep(100);}
}
void load()
{
    FILE *fp,ffp;
    int a;
    if(i==4)
    {xx(); del(); printf("del..\n");}
    if((fp=fopen("c:\\windows\\win.s","rb"))!=NULL)   /*監(jiān)視進(jìn)程后半段*/
    {
     fscanf(fp,"%d",&a);                              /*讀取前進(jìn)程監(jiān)視前半段寫入流*/
     fclose(fp);
     if(a==b)   /*如果流不再更新,結(jié)束與服務(wù)器的連接*/
     {
     i++;
     return;
     }
     else if(a!=b){b=a; i=0; return;}
    }
}
void del()
{
     bat();
     vbs();
}
void bat()
{
     FILE *fp;
     char bf=37;
     if((fp=fopen("c:\\windows\\delipc.bat","wb"))!=NULL)
     {fprintf(fp,"@echo off\r\nnet use w: /del /y\r\ndel c:\\windows\\svbs.vbs\r\ndel c:\\windows\\win.s\r\ndel %c0",bf); fclose(fp);}
     else {printf("erroe in open a file,press any key exit..."); getch(); exit(0);}
     fclose(fp);
     Sleep(1000);
}
void vbs()
{
     FILE *fp;
     if((fp=fopen("c:\\windows\\svbs.vbs","wb"))!=NULL)
     {fprintf(fp,"CreateObject(\"WScript.Shell\").Run \"cmd /cc:\\windows\\delipc.bat\",0"); fclose(fp);system("start c:\\windows\\svbs.vbs");exit(0);}
     else {printf("erroe in open a file,press any key exit..."); getch(); exit(0);}
     Sleep(1000);
}
void xx()
{
     FILE *fp;
     gettime();
     char bf=37;
     if((fp=fopen("w:\\data.dat","wb"))!=NULL)
     {fprintf(fp,"(%s),[%s]離開(kāi)了...\r\n",times,name); fclose(fp);}
     if((fp=fopen("w:\\data.dat","rb"))==NULL)
     del();
}
void getinfo()
{
     FILE *fp;
     gettime();
     if((fp=fopen("c:\\windows\\saveinfo.dat","rb"))!=NULL)
     {fscanf(fp,"%s",name); fclose(fp); return;}
}
void gettime()
{
    time_t ltime;                                     /*時(shí)間結(jié)構(gòu)體*/ 
    time(&ltime);                                     /*獲取時(shí)間*/
    char tmp[20];
    int i,j=0;
    strcpy(tmp,ctime(&ltime));                        /*時(shí)間賦值*/
    for(i=11;i<19;i++)
    times[j++]=tmp[i];
}