public static SafeNativeHandle GetTokenLinkedToken(SafeNativeHandle hToken)
{
using (SafeMemoryBuffer tokenInfo = GetTokenInformation(hToken,
NativeHelpers.TokenInformationClass.TokenLinkedToken))
{
return(new SafeNativeHandle(Marshal.ReadIntPtr(tokenInfo.DangerousGetHandle())));
}
}
public static TokenElevationType GetTokenElevationType(SafeNativeHandle hToken)
{
using (SafeMemoryBuffer tokenInfo = GetTokenInformation(hToken,
NativeHelpers.TokenInformationClass.TokenElevationType))
{
return((TokenElevationType)Marshal.ReadInt32(tokenInfo.DangerousGetHandle()));
}
}
public static TokenStatistics GetTokenStatistics(SafeNativeHandle hToken)
{
using (SafeMemoryBuffer tokenInfo = GetTokenInformation(hToken,
NativeHelpers.TokenInformationClass.TokenStatistics))
{
TokenStatistics tokenStats = (TokenStatistics)Marshal.PtrToStructure(
tokenInfo.DangerousGetHandle(),
typeof(TokenStatistics));
return(tokenStats);
}
}
public static SecurityIdentifier GetTokenUser(SafeNativeHandle hToken)
{
using (SafeMemoryBuffer tokenInfo = GetTokenInformation(hToken,
NativeHelpers.TokenInformationClass.TokenUser))
{
NativeHelpers.TOKEN_USER tokenUser = (NativeHelpers.TOKEN_USER)Marshal.PtrToStructure(
tokenInfo.DangerousGetHandle(),
typeof(NativeHelpers.TOKEN_USER));
return(new SecurityIdentifier(tokenUser.User.Sid));
}
}
public static List <PrivilegeInfo> GetTokenPrivileges(SafeNativeHandle hToken)
{
using (SafeMemoryBuffer tokenInfo = GetTokenInformation(hToken,
NativeHelpers.TokenInformationClass.TokenPrivileges))
{
NativeHelpers.TOKEN_PRIVILEGES tokenPrivs = (NativeHelpers.TOKEN_PRIVILEGES)Marshal.PtrToStructure(
tokenInfo.DangerousGetHandle(),
typeof(NativeHelpers.TOKEN_PRIVILEGES));
NativeHelpers.LUID_AND_ATTRIBUTES[] luidAttrs =
new NativeHelpers.LUID_AND_ATTRIBUTES[tokenPrivs.PrivilegeCount];
PtrToStructureArray(luidAttrs, IntPtr.Add(tokenInfo.DangerousGetHandle(),
Marshal.SizeOf(tokenPrivs.PrivilegeCount)));
return(luidAttrs.Select(la => new PrivilegeInfo(la)).ToList());
}
}
private static SafeMemoryBuffer GetTokenInformation(SafeNativeHandle hToken,
NativeHelpers.TokenInformationClass infoClass)
{
UInt32 tokenLength;
bool res = NativeMethods.GetTokenInformation(hToken, infoClass, new SafeMemoryBuffer(IntPtr.Zero), 0,
out tokenLength);
int errCode = Marshal.GetLastWin32Error();
if (!res && errCode != 24 && errCode != 122) // ERROR_INSUFFICIENT_BUFFER, ERROR_BAD_LENGTH
{
throw new Win32Exception(errCode, String.Format("GetTokenInformation({0}) failed to get buffer length",
infoClass.ToString()));
}
SafeMemoryBuffer tokenInfo = new SafeMemoryBuffer((int)tokenLength);
if (!NativeMethods.GetTokenInformation(hToken, infoClass, tokenInfo, tokenLength, out tokenLength))
{
throw new Win32Exception(String.Format("GetTokenInformation({0}) failed", infoClass.ToString()));
}
return(tokenInfo);
}
public static extern bool GetTokenInformation(
SafeNativeHandle TokenHandle,
NativeHelpers.TokenInformationClass TokenInformationClass,
SafeMemoryBuffer TokenInformation,
UInt32 TokenInformationLength,
out UInt32 ReturnLength);
