C / C++ / MFC

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#include <iostream><br />
#include <string><br />
#include <windows.h><br />
#include <stdio.h><br />
using namespace std;<br />
<br />
<br />
BOOL SetPrivilege(<br />
    HANDLE hToken,          // access token handle<br />
    LPCTSTR lpszPrivilege,  // name of privilege to enable/disable<br />
    BOOL bEnablePrivilege   // to enable or disable privilege<br />
    ) <br />
{<br />
	TOKEN_PRIVILEGES tp;<br />
	LUID luid;<br />
<br />
	if ( !LookupPrivilegeValue( <br />
			NULL,            // lookup privilege on local system<br />
			lpszPrivilege,   // privilege to lookup <br />
			&luid ) )        // receives LUID of privilege<br />
	{<br />
		printf("LookupPrivilegeValue error: %u\n", GetLastError() ); <br />
		return FALSE; <br />
	}<br />
<br />
	tp.PrivilegeCount = 1;<br />
	tp.Privileges[0].Luid = luid;<br />
	if (bEnablePrivilege)<br />
		tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;<br />
	else<br />
		tp.Privileges[0].Attributes = 0;<br />
<br />
	// Enable the privilege or disable all privileges.<br />
<br />
	if ( !AdjustTokenPrivileges(<br />
		   hToken, <br />
		   FALSE, <br />
		   &tp, <br />
		   sizeof(TOKEN_PRIVILEGES), <br />
		   (PTOKEN_PRIVILEGES) NULL, <br />
		   (PDWORD) NULL) )<br />
	{ <br />
		  printf("AdjustTokenPrivileges error: %u\n", GetLastError() ); <br />
		  return FALSE; <br />
	} <br />
<br />
	if (GetLastError() == ERROR_NOT_ALL_ASSIGNED)<br />
<br />
	{<br />
		  printf("The token does not have the specified privilege. \n");<br />
		  return FALSE;<br />
	} <br />
<br />
	return TRUE;<br />
}<br />
<br />
// Retrieve Local Computer Name<br />
string GetLocalComputerName()<br />
{<br />
   TCHAR chrComputerName[MAX_COMPUTERNAME_LENGTH + 1];<br />
   string strRetVal;<br />
   DWORD dwBufferSize = MAX_COMPUTERNAME_LENGTH + 1;<br />
   <br />
   if(GetComputerName(chrComputerName,&dwBufferSize)) {<br />
      strRetVal = chrComputerName;<br />
   } else {<br />
      strRetVal = "";<br />
   }<br />
   <br />
   return(strRetVal);<br />
}<br />
<br />
<br />
int main()<br />
{<br />
   system("CLS");<br />
   string password;<br />
   cout << "password: ";<br />
   cin >> password;<br />
   <br />
   if (password == "123"){<br />
      system("CLS");  //Cleares the screen<br />
      cout << "password accepted" << endl;}<br />
   <br />
   else{<br />
      cout << "password incorrect" << endl;<br />
      goto exit;}<br />
exit:<br />
      <br />
      system("CLS");<br />
      system("TITLE Local Computer Name");<br />
<br />
      // Print local computer name.<br />
      cout << GetLocalComputerName() << endl;<br />
      cout << SetPrivilege();<br />
std::cin.ignore( std::numeric_limits<std::streamsize>::max(), '\y' ); <br />
      return 0;<br />
}