Undocumented functions of NTDLL

2OO1, 15 February



NtQueryInformationToken
NtQueryInformationToken

NTSYSAPI 
NTSTATUS
NTAPI

NtQueryInformationToken(


  IN HANDLE               TokenHandle,
  IN TOKEN_INFORMATION_CLASS TokenInformationClass,
  OUT PVOID               TokenInformation,
  IN ULONG                TokenInformationLength,
  OUT PULONG              ReturnLength );



Function NtQueryInformationToken receives informations specified by information class from Token Object. See also Win32 API GetTokenInformation.


  • TokenHandle
    •     HANDLE to Token Object opened with TOKEN_QUERY access.
  • TokenInformationClass
    •     Information class descripted in TOKEN_INFORMATION_CLASS topic.
  • TokenInformation
    •     User's allocated buffer for output data. Format of output buffer depends on TokenInformationClass parameter.
  • TokenInformationLength
    •     Length of TokenInformation buffer, in bytes.
  • ReturnLength
    •     If output buffer is to small, value under this parameter receives required length.


    Documented by:
    Tomasz Nowak



    Requirements:
    Library: ntdll.lib


    See also:
    NtCreateToken
    NtOpenProcessToken
    NtOpenThreadToken
    NtSetInformationToken
    TOKEN_INFORMATION_CLASS