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enable the SeSystemtimePrivilege privilege which is required to call SetLocalTime

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svn path=/trunk/; revision=13300
This commit is contained in:
Thomas Bluemel 2005-01-25 23:57:57 +00:00
parent e22aec2f4a
commit e91cfb5065
1 changed files with 63 additions and 1 deletions
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64
reactos/lib/syssetup/wizard.c
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@ -1121,6 +1121,62 @@ SetAutoDaylightInfo(HWND hwnd)
}
static BOOL
SetSystemLocalTime(HWND hwnd, PSETUPDATA SetupData)
{
HANDLE hToken;
TOKEN_PRIVILEGES priv, previouspriv;
BOOL Ret = FALSE;
/*
* enable the SeSystemtimePrivilege privilege
*/
if(OpenProcessToken(GetCurrentProcess(),
TOKEN_ADJUST_PRIVILEGES,
&hToken))
{
priv.PrivilegeCount = 1;
priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if(LookupPrivilegeValue(NULL,
SE_SYSTEMTIME_NAME,
&priv.Privileges[0].Luid))
{
if(AdjustTokenPrivileges(hToken,
FALSE,
&priv,
sizeof(previouspriv),
&previouspriv,
0) &&
GetLastError() == ERROR_SUCCESS)
{
/*
* we successfully enabled it, we're permitted to change the system time
*/
Ret = SetLocalTime(&SetupData->SystemTime);
/*
* for the sake of security, restore the previous status again
*/
if(previouspriv.PrivilegeCount > 0)
{
AdjustTokenPrivileges(hToken,
FALSE,
&previouspriv,
0,
NULL,
0);
}
}
}
CloseHandle(hToken);
}
return Ret;
}
INT_PTR CALLBACK
DateTimePageDlgProc(HWND hwndDlg,
UINT uMsg,
@ -1167,7 +1223,13 @@ DateTimePageDlgProc(HWND hwndDlg,
SetLocalTimeZone(GetDlgItem(hwndDlg, IDC_TIMEZONELIST),
SetupData);
SetAutoDaylightInfo(GetDlgItem(hwndDlg, IDC_AUTODAYLIGHT));
SetLocalTime(&SetupData->SystemTime);
if(!SetSystemLocalTime(hwndDlg, SetupData))
{
MessageBox(hwndDlg,
_T("Setup was unable to set the local time."),
_T("ReactOS Setup"),
MB_ICONWARNING | MB_OK);
}
}
break;