public static void AdjustTokenPrivileges(AccessTokenHandle hToken, AccessTokenPrivileges privileges)
{
AdjustTokenPrivileges(hToken, privileges.GetPrivileges());
}
public static AccessTokenPrimaryGroup FromTokenHandle(AccessTokenHandle handle)
{
uint tokenInfLength = 0;
bool success;
IntPtr hToken = handle.GetHandle();
success = Advapi32.GetTokenInformation(hToken, TOKEN_INFORMATION_CLASS.TokenPrimaryGroup, IntPtr.Zero, tokenInfLength, out tokenInfLength);
IntPtr tokenInfo = Marshal.AllocHGlobal(Convert.ToInt32(tokenInfLength));
success = Advapi32.GetTokenInformation(hToken, TOKEN_INFORMATION_CLASS.TokenPrimaryGroup, tokenInfo, tokenInfLength, out tokenInfLength);
if (success)
{
// Same struct as the token owner, so lets just reuse it.
TOKEN_OWNER tokenOwner = (TOKEN_OWNER)Marshal.PtrToStructure(tokenInfo, typeof(TOKEN_OWNER));
IntPtr sidPtr = tokenOwner.Owner;
int sidLength = Convert.ToInt32(Advapi32.GetLengthSid(tokenOwner.Owner));
byte[] sid = new byte[sidLength];
Marshal.Copy(tokenOwner.Owner, sid, 0, sidLength);
StringBuilder lpname = new StringBuilder();
uint cchname = (uint)lpname.Capacity;
StringBuilder lpdomain = new StringBuilder();
uint cchdomain = (uint)lpdomain.Capacity;
SID_NAME_USE peUse;
var name = "";
var domain = "";
if (!Advapi32.LookupAccountSid(null, sid, lpname, ref cchname, lpdomain, ref cchdomain, out peUse))
{
var err = Kernel32.GetLastError();
if (err == Constants.ERROR_INSUFFICIENT_BUFFER)
{
lpname.EnsureCapacity((int)cchname);
lpdomain.EnsureCapacity((int)cchdomain);
if (!Advapi32.LookupAccountSid(null, sid, lpname, ref cchname, lpdomain, ref cchdomain, out peUse))
{
Logger.GetInstance().Error($"Failed to lookup owner SID. LookupAccountSid failed with error: {Kernel32.GetLastError()}");
throw new TokenInformationException();
}
else
{
name = lpname.ToString();
domain = lpdomain.ToString();
}
}
else
{
Logger.GetInstance().Error($"Failed to lookup owner SID. LookupAccountSid failed with error: {err}");
throw new TokenInformationException();
}
}
else
{
name = lpname.ToString();
domain = lpdomain.ToString();
}
Marshal.FreeHGlobal(tokenInfo);
return(new AccessTokenPrimaryGroup(name, domain, sidPtr, peUse));
}
else
{
Marshal.FreeHGlobal(tokenInfo);
Logger.GetInstance().Error($"Failed to retreive session id information for access token. GetTokenInformation failed with error: {Kernel32.GetLastError()}");
throw new TokenInformationException();
}
}
