private static IEnumerable <string> GetServiceRequiredPrivileges(SafeServiceHandle service)
{
using (var buf = new SafeHGlobalBuffer(8192))
{
if (!Win32NativeMethods.QueryServiceConfig2(service, SERVICE_CONFIG_REQUIRED_PRIVILEGES_INFO,
buf, buf.Length, out int needed))
{
return(new string[0]);
}
IntPtr str_pointer = buf.Read <IntPtr>(0);
if (str_pointer == IntPtr.Zero)
{
return(new string[0]);
}
SafeHGlobalBuffer str_buffer = new SafeHGlobalBuffer(str_pointer, 8192 - 8, false);
ulong offset = 0;
List <string> privs = new List <string>();
while (offset < str_buffer.ByteLength)
{
string s = str_buffer.ReadNulTerminatedUnicodeString(offset);
if (s.Length == 0)
{
break;
}
privs.Add(s);
offset += (ulong)(s.Length + 1) * 2;
}
return(privs.AsReadOnly());
}
}