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INTERNET-DRAFT Michael P. Armijo
Status: Informational Microsoft Corporation
January 1999
Expires July 1999
Active Directory Syntaxes
draft-armijo-ldap-syntax-00.txt
1. Status of this Memo
This memo provides information for the Internet community. It does not specify
an Internet standard of any kind. Distribution of this memo is unlimited.
This document is an Internet-Draft. Internet-Drafts are working documents of the
Internet Engineering Task Force (IETF), its areas, and its working groups. Note
that other groups may also distribute working documents as Internet-Drafts.
Internet-Drafts are draft documents valid for a maximum of six months and may be
updated, replaced, or obsoleted by other documents at any time. It is
inappropriate to use Internet- Drafts as reference material or to cite them
other than as "work in progress."
To view the entire list of current Internet-Drafts, please check the "1id-
abstracts.txt" listing contained in the Internet-Drafts Shadow Directories on
ftp.is.co.za (Africa), ftp.nordu.net (Northern Europe), ftp.nis.garr.it
(Southern Europe), munnari.oz.au (Pacific Rim), ftp.ietf.org (US East Coast), or
ftp.isi.edu (US West Coast).
2. Abstract
The purpose of this document is to inform the Internet community of LDAP
syntaxes available in the Windows NT Active Directory. These syntaxes provide
additional functionality to the Active Directory.
3. RFC Key Words
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
interpreted as described in RFC 2119.
4. LDAP Syntaxes
CaseIgnoreString: 1.2.840.113556.1.4.905
Encoded as a Printable String (OID 1.3.6.1.4.1.1466.115.121.1.44)
OR-Name: 1.2.840.113556.1.4.1221
Encoded as:
ORName = DN | "X400:" ORaddress "#X500:" DN | "X400:"ORaddress
DN = normally encoded rfc 1779 name
ORaddress = some string encoding for OR addresses.
Note that an unescaped # character must not be legal in this encoding.
This is necessary to be able to identify where the #X500 starts if the
middle choice of the encoding is chosen.
DNWithOctetString: 1.2.840.113556.1.4.903
Encoded as a :
DNWithOctetString = OctetTag ':' Count ':' OctetString ':' DN
OctetTag = 'B' | 'b'
Count = positive decimal number, counting number of encoded characters
in OctetString
OctetString = [EncodedByte]* // Note: the number of characters in the
string encoding of the OctetString is Count.
EncodedByte = [0-9 | a-f | A-F] [0-9 | a-f | A-F]
DN = <normal string encoding of a DN>
As an example, the string encoding of the combination of 0x74 0x65 0x73
0x74 and DC=Microsoft,DC=Com is
B:8:74657374:DC=Microsoft,DC=Com
DNWithString: 1.2.840.113556.1.4.904
Encoded as a :
DNWithString = StringTag ':' Count ':' String ':' DN
OctetTag = 'S' | 's'
Count = positive decimal number, counting number of bytes in String
String = <normally encoded (i.e. UTF8 for V3) string> // Note: the number
of bytes in the string encoding of the String is Count.
DN = <normal string encoding of a DN>
As an example, the string encoding of the combination of "test" and
DC=Microsoft,DC=Com is
B:4:test:DC=Microsoft,DC=Com
As an example, the string encoding of the combination of XYZ (where X, Y,
and Z all have two byte UTF-8 encodings) and DC=Microsoft,DC=Com is
B:6:XYZ:DC=Microsoft,DC=Com
Note: Characters with multibyte UTF-8 encodings contribute more than one to the count
Large-Integer: 1.2.840.113556.1.4.906
Encoded as an Integer (OID 1.3.6.1.4.1.1466.115.121.1.27), but guaranteed
to support 64 bit numbers.
Object-Security-Descriptor: 1.2.840.113556.1.4.907
Encoded as an Octet-String (OID 1.3.6.1.4.1.1466.115.121.1.40)
5. References
[RFC 2251]
M. Wahl, T. Howes, S. Kille, "Lightweight Directory Access Protocol
(v3)", RFC 2251, December 1997. 1997.
[RFC 2119]
Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels,"
RFC 2119, Harvard University, March 1997.
6. Authors Address
Michael P. Armijo
One Microsoft Way
Redmond, WA
98052
USA
(425)882-8080
micharm@microsoft.com
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