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Windows 7: Need to give admin rights to session 1 exe

30 May 2011   #1

Windows 7 Ultimate x64
 
 
Need to give admin rights to session 1 exe

Need to give admin rights to session 1 exe so that this exe can create new files and registry.

i have used the below code to launch an application in session 1(ex: abc.exe) from session 0(ex:Myapp.exe).
I wish to give admin priveleges to abc.exe as this exe in-turn creates a file in C:\. But its failing to create a new file in C:\ as it is returning an ACCESS_DENIED Error, as it doesnt have the admin rights.


Code:
 
void ExecuteProc(DWORD sessionId)
{
HANDLE hToken, hProcess, hPToken, hUserTokenDup;
HDESK hdesk = NULL;
HWINSTA hwinsta = NULL, hwinstaSave = NULL;
PROCESS_INFORMATION pi;
PSID pSid = NULL;
STARTUPINFO si;
 
BOOL bResult = FALSE;
sessionId = WTSGetActiveConsoleSessionId();
 
BOOL bQuery = false;
 
bQuery = WTSQueryUserToken(sessionId, &hToken) ;
DWORD dwErr1;
 
// Initialize the STARTUPINFO structure.
 
// Specify that the process runs in the interactive desktop.
 
 
ZeroMemory(&si, sizeof(STARTUPINFO));
 
si.cb= sizeof(STARTUPINFO);
 
si.lpDesktop = TEXT("winsta0\\default");
 
 
TOKEN_PRIVILEGES tp;
LUID luid;
if (!LookupPrivilegeValue(NULL,SE_DEBUG_NAME,&luid))
{
printf("Lookup Privilege value Error: %u\n",GetLastError());
}
tp.PrivilegeCount =1;
tp.Privileges[0].Luid =luid;
tp.Privileges[0].Attributes =SE_PRIVILEGE_ENABLED;
 
 
DuplicateTokenEx(hToken,MAXIMUM_ALLOWED,NULL,SecurityIdentification,TokenPrimary,&hUserTokenDup);
 
int dup = GetLastError();
 
//Adjust Token privilege
SetTokenInformation(hUserTokenDup, TokenSessionId,(void*)sessionId,sizeof(DWORD));
 
if (!AdjustTokenPrivileges(hUserTokenDup,FALSE,&tp,sizeof(TOKEN_PRIVILEGES),(PTOKEN_PRIVILEGES)NULL,NULL))
{
int abc =GetLastError();
printf("Adjust Privilege value Error: %u\n",GetLastError());
}
 
if (GetLastError()== ERROR_NOT_ALL_ASSIGNED)
{
printf("Token does not have the provilege\n");
}
 
 
 
// Launch the process in the client's logon session.
 
wchar_t lpCommandLine[] = L"C:\\abc.exe";
 
bResult = CreateProcessAsUser(
hUserTokenDup, // client's access token
NULL, // file to execute
lpCommandLine, // command line
NULL, // pointer to process SECURITY_ATTRIBUTES
NULL, // pointer to thread SECURITY_ATTRIBUTES
FALSE, // handles are not inheritable
NORMAL_PRIORITY_CLASS | CREATE_NEW_CONSOLE, // creation flags
NULL, // pointer to new environment block 
NULL, // name of current directory 
&si, // pointer to STARTUPINFO structure
&pi // receives information about new process
); 
 
 
CloseHandle(hProcess);
CloseHandle(hUserTokenDup);
CloseHandle(hPToken);
 
 
}
 
 
int _tmain(int argc, _TCHAR* argv[])
{
DWORD sessionId = 0;
ExecuteProc(sessionId);
return 0;
}



NOTE: abc.exe tries to create a new file in C:\ but it failed to do so as it require admin rights.
please give your valuabe inputs.
thanks
Praveen

My System SpecsSystem Spec
.

30 May 2011   #2

Windows 7 Ultimate x64
 
 

I think this will help:

Run as Administrator
  1. Right-click on the exe in Windows Explorer, go to Properties.
  2. On the Compatibility tab, tick the checkbox at the bottom that says "Run this program as an administrator".
  3. Click OK, then try running it. It should bring up the UAC prompt.
Hope that helps a bit, at least...
My System SpecsSystem Spec
Reply

 Need to give admin rights to session 1 exe




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