Network Working Group Pat Fleming
INTERNET-DRAFT IBM
Obsoletes: 3712 (if approved) Ira McDonald
Intended Status: Informational High North
Expires: 3 October 2012 3 April 2012
Lightweight Directory Access Protocol (LDAP):
Schema for Printer Services
<draft-mcdonald-ldap-printer-schema-01.txt>
Abstract
This document defines a schema, object classes and attributes, for
printers and printer services, for use with directories that support
Lightweight Directory Access Protocol (RFC 4510). This document is
based on the printer attributes listed in Appendix E of Internet
Printing Protocol/1.1 (IPP) (RFC 2911). A few additional printer
attributes are based on definitions in the Printer MIB (RFC 1759),
IEEE-ISTO PWG Command Set for IEEE 1284 Device ID (PWG 5107.2), or
IEEE-ISTO PWG IPP Job and Printer Extensions - Set 3 [PWG5100.JPS3].
Status of this Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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."
The list of current Internet-Drafts can be accessed at
http://www.ietf.org/1id-abstracts.html
The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html
This Internet-Draft will expire on 2 April 2012.
Copyright Notice
Copyright (c) 2011 IETF Trust and the persons identified as the
document authors. All rights reserved.
Fleming, McDonald Expires 3 October 2012 [Page 1]
Internet Draft LDAP Schema for Printer Services 3 April 2012
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Fleming, McDonald Expires 3 October 2012 [Page 2]
Internet Draft LDAP Schema for Printer Services 3 April 2012
Table of Contents
1. Introduction ............................................... 5
1.1. Rationale for using DirectoryString Syntax ............. 5
1.2. Rationale for using caseIgnoreMatch .................... 6
1.3. Rationale for using caseIgnoreSubstringsMatch .......... 7
2. Terminology and Conventions ................................ 8
3. Definition of Object Classes ............................... 9
3.1. slpServicePrinter ...................................... 10
3.2. printerAbstract ........................................ 10
3.3. printerService ......................................... 11
3.4. printerServiceAuxClass ................................. 11
3.5. printerIPP ............................................. 12
3.6. printerLPR ............................................. 12
4. Definition of Attribute Types .............................. 13
4.1. printer-uri ............................................ 15
4.2. printer-xri-supported .................................. 15
4.3. printer-name ........................................... 17
4.4. printer-natural-language-configured .................... 17
4.5. printer-location ....................................... 18
4.6. printer-info ........................................... 18
4.7. printer-more-info ...................................... 18
4.8. printer-make-and-model ................................. 19
4.9. printer-ipp-versions-supported ......................... 19
4.10. printer-multiple-document-jobs-supported .............. 20
4.11. printer-charset-configured ............................ 20
4.12. printer-charset-supported ............................. 20
4.13. printer-generated-natural-language-supported .......... 21
4.14. printer-document-format-supported ..................... 21
4.15. printer-color-supported ............................... 22
4.16. printer-compression-supported ......................... 22
4.17. printer-pages-per-minute .............................. 22
4.18. printer-pages-per-minute-color ........................ 23
4.19. printer-finishings-supported .......................... 23
4.20. printer-number-up-supported ........................... 24
4.21. printer-sides-supported ............................... 24
4.22. printer-media-supported ............................... 24
4.23. printer-media-local-supported ......................... 25
4.24. printer-resolution-supported .......................... 25
4.25. printer-print-quality-supported ....................... 26
4.26. printer-job-priority-supported ........................ 26
4.27. printer-copies-supported .............................. 27
4.28. printer-job-k-octets-supported ........................ 27
4.29. printer-current-operator .............................. 27
4.30. printer-service-person ................................ 28
4.31. printer-delivery-orientation-supported ................ 28
4.32. printer-stacking-order-supported ...................... 29
4.33. printer-output-features-supported ..................... 29
4.34. printer-aliases ....................................... 30
4.35. printer-device-id ..................................... 30
4.36. printer-charge-info ................................... 30
Fleming, McDonald Expires 3 October 2012 [Page 3]
Internet Draft LDAP Schema for Printer Services 3 April 2012
4.37. printer-charge-info-uri ............................... 31
4.38. printer-geo-location .................................. 31
4.39. printer-ipp-features-supported ........................ 32
4.40. printer-uuid .......................................... 32
5. Definition of Syntaxes ..................................... 33
6. Definition of Matching Rules ............................... 33
7. IANA Considerations ........................................ 34
7.1. Registration of Object Classes ......................... 34
7.2. Registration of Attribute Types ........................ 35
8. Internationalization Considerations ........................ 37
9. Security Considerations .................................... 37
10. References ................................................ 38
10.1. Normative References .................................. 38
10.2. Informative References ................................ 39
11. Appendix A - Acknowledgments .............................. 40
12. Appendix X - Change History ............................... 41
13. Authors' Addresses ........................................ 42
Fleming, McDonald Expires 3 October 2012 [Page 4]
Internet Draft LDAP Schema for Printer Services 3 April 2012
1. Introduction
This document defines several object classes to provide Lightweight
Directory Access Protocol [RFC4510] applications with flexible
options in defining printer information using LDAP schema. Classes
are provided for defining directory entries with common printer
information as well as for extending existing directory entries with
SLPv2 [RFC2608], IPP/1.1 [RFC2911], and LPR [RFC1179]
protocol-specific information.
The schema defined in this document is based on the printer
attributes listed in Appendix E 'Generic Directory Schema' of
Internet Printing Protocol/1.1 (IPP) [RFC2911]. A few additional
printer attributes are based on definitions in the Printer MIB
[RFC1759], IEEE-ISTO PWG Command Set for IEEE 1284 Device ID
[PWG5107.2], or IEEE-ISTO PWG IPP Job and Printer Extensions - Set 3
(IPP JPS3).
The schema defined in this document is technically aligned with the
stable IANA-registered 'service:printer:' v2.0 template [SLPPRT20],
for compatibility with already deployed Service Location Protocol
(SLPv2) [RFC2608] service advertising and discovery infrastructure.
The attribute syntaxes are technically aligned with the
'service:printer:' v2.0 template - therefore simpler types are
sometimes used (for example, 'DirectoryString' [RFC4517] rather than
'labeledURI' [RFC2079] for the 'printer-uri' attribute).
Please send comments directly to the authors at the addresses listed
in the section "Authors' Addresses".
1.1. Rationale for using DirectoryString Syntax
The attribute syntax 'DirectoryString' (UTF-8 [STD63]) defined in
[RFC4517] is specified for several groups of string attributes that
are defined in this document:
1) URI
- printer-uri, printer-xri-supported, printer-more-info,
printer-charge-info-uri, printer-uuid
The UTF-8 encoding is compatible with deployment of (UTF-8 based)
IRI Internationalized Resource Identifiers (IRIs) [RFC3987].
2) Description
- printer-name, printer-location, printer-info,
printer-make-and-model
Fleming, McDonald Expires 3 October 2012 [Page 5]
Internet Draft LDAP Schema for Printer Services 3 April 2012
The UTF-8 encoding supports descriptions in any language,
conformant with the IETF Policy on Character Sets and Languages
[BCP18].
Note: The printer-natural-language-configured attribute contains
a language tag [BCP47] for these description attributes (for
example, to support text-to-speech conversions).
3) Keyword
- printer-compression-supported, printer-finishings-supported,
printer-media-supported, printer-media-local-supported,
printer-print-quality-supported
The UTF-8 encoding is compatible with the current IPP/1.1
[RFC2911] definition of the equivalent attributes, most of which
have the IPP/1.1 union syntax 'keyword or name'. The keyword
attributes defined in this document are extensible by
site-specific or vendor-specific 'names' which behave like new
'keywords'
Note: In IPP/1.1, each value is strongly typed over-the-wire as
either 'keyword' or 'name'. This union selector is not preserved
in the definitions of these equivalent LDAP attributes.
1.2. Rationale for using caseIgnoreMatch
The EQUALITY matching rule 'caseIgnoreMatch' defined in [RFC4517] is
specified for several groups of string attributes that are defined in
this document:
1) URI
These URI attributes specify EQUALITY matching with
'caseIgnoreMatch' (rather than with 'caseExactMatch') in order to
conform to the spirit of [STD66], which requires case insensitive
matching on the host part of a URI versus case sensitive matching
on the remainder of a URI.
These URI attributes follow existing practice of supporting case
insensitive equality matching for host names in the
associatedDomain attribute defined in [RFC4524].
Either equality matching rule choice would be a compromise:
a) case sensitive whole URI matching may lead to false negative
matches and has been shown to be fragile (given deployed client
applications that 'pretty up' host names displayed and
transferred in URI);
Fleming, McDonald Expires 3 October 2012 [Page 6]
Internet Draft LDAP Schema for Printer Services 3 April 2012
b) case insensitive whole URI matching may lead to false positive
matches, although it is a dangerous practice to publish URI that
differ only by case (for example, in the path elements).
2) Description
Case insensitive equality matching is more user-friendly for
description attributes.
3) Keyword
Case insensitive equality matching is more user-friendly for
keyword attributes.
4) IEEE 1284 Device ID
Case insensitive equality matching is mandatory for IEEE 1284
Device ID attributes.
1.3. Rationale for using caseIgnoreSubstringsMatch
The SUBSTR matching rule 'caseIgnoreSubstringsMatch' defined in
[RFC4517] is specified for several groups of string attributes that
are defined in this document:
1) URI
These URI attributes follow existing practice of supporting case
insensitive equality matching for host names in the
associatedDomain attribute defined in [RFC4524].
2) Description
Support for case insensitive substring matching is more
user-friendly for description attributes.
3) Keyword
Support for case insensitive substring matching is more
user-friendly for keyword attributes.
4) IEEE 1284 Device ID
Support for case insensitive substring matching is mandatory for
IEEE 1284 Device ID attributes.
Fleming, McDonald Expires 3 October 2012 [Page 7]
Internet Draft LDAP Schema for Printer Services 3 April 2012
2. Terminology and Conventions
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 [RFC2119].
Schema definitions are provided using LDAP [RFC4510] description
formats. Definitions provided here are formatted (line wrapped) for
readability.
Fleming, McDonald Expires 3 October 2012 [Page 8]
Internet Draft LDAP Schema for Printer Services 3 April 2012
3. Definition of Object Classes
We define the following LDAP object classes for use with both generic
printer related information and services specific to SLPv2 [RFC2608],
IPP/1.1 [RFC2911], and LPR [RFC1179].
slpServicePrinter - auxiliary class for SLP registered printers
printerAbstract - abstract class for all printer classes
printerService - structural class for printers
printerServiceAuxClass - auxiliary class for printers
printerIPP - auxiliary class for IPP printers
printerLPR - auxiliary class for LPR printers
The following are some examples of how applications may choose to use
these classes when creating directory entries:
1) Use printerService for directory entries containing common
printer information.
2) Use both printerService and slpServicePrinter for directory
entries containing common printer information for SLP registered
printers.
3) Use printerService, printerLPR and printerIPP for directory
entries containing common printer information for printers that
support both LPR and IPP.
4) Use printerServiceAuxClass and object classes not defined by this
document for directory entries containing common printer
information. In this example, printerServiceAuxClass is used for
extending other structural classes defining printer information
with common printer information defined in this document.
Refer to Section 4 for definition of attribute types referenced by
these object classes. We use attribute names instead of OIDs in
object class definitions for clarity. Some attribute names described
in [RFC2911] have been prefixed with 'printer-' as recommended in
[RFC2926] and [SLPPRT20].
Fleming, McDonald Expires 3 October 2012 [Page 9]
Internet Draft LDAP Schema for Printer Services 3 April 2012
3.1. slpServicePrinter
( 1.3.18.0.2.6.254
NAME 'slpServicePrinter'
DESC 'Service Location Protocol (SLP) information.'
AUXILIARY
SUP slpService
)
This auxiliary class defines Service Location Protocol (SLPv2)
[RFC2608] specific information. It should be used with a structural
class such as printerService. It may be used to create new or extend
existing directory entries with SLP 'service:printer' abstract
service type information as defined in [SLPPRT20]. This object class
is derived from 'slpService', the parent class for all SLP services,
defined in [RFC2926].
3.2. printerAbstract
( 1.3.18.0.2.6.258
NAME 'printerAbstract'
DESC 'Printer related information.'
ABSTRACT
SUP top
MAY ( printer-name $
printer-natural-language-configured $
printer-location $ printer-info $ printer-more-info $
printer-make-and-model $
printer-multiple-document-jobs-supported $
printer-charset-configured $ printer-charset-supported $
printer-generated-natural-language-supported $
printer-document-format-supported $ printer-color-supported $
printer-compression-supported $ printer-pages-per-minute $
printer-pages-per-minute-color $
printer-finishings-supported $ printer-number-up-supported $
printer-sides-supported $ printer-media-supported $
printer-media-local-supported $
printer-resolution-supported $
printer-print-quality-supported $
printer-job-priority-supported $ printer-copies-supported $
printer-job-k-octets-supported $ printer-current-operator $
printer-service-person $
printer-delivery-orientation-supported $
printer-stacking-order-supported $
printer-output-features-supported $
printer-device-id $
printer-charge-info $
Fleming, McDonald Expires 3 October 2012 [Page 10]
Internet Draft LDAP Schema for Printer Services 3 April 2012
printer-charge-info-uri $
printer-geo-location $
printer-uuid )
)
This abstract class defines printer information. It is a base class
for deriving other printer related classes, such as, but not limited
to, classes defined in this document. It defines a common set of
printer attributes that are not specific to any one type of service,
protocol or operating system.
3.3. printerService
( 1.3.18.0.2.6.255
NAME 'printerService'
DESC 'Printer information.'
STRUCTURAL
SUP printerAbstract
MAY ( printer-uri $ printer-xri-supported )
)
This structural class defines printer information. It is derived
from class printerAbstract and thus inherits common printer
attributes. This class can be used with or without auxiliary classes
to define printer information. Auxiliary classes can be used to
extend the common printer information with protocol, service or
operating system specific information.
Note: When extending other structural classes with auxiliary
classes, printerService should not be used.
3.4. printerServiceAuxClass
( 1.3.18.0.2.6.257
NAME 'printerServiceAuxClass'
DESC 'Printer information.'
AUXILIARY
SUP printerAbstract
MAY ( printer-uri $ printer-xri-supported )
)
This auxiliary class defines printer information. It is derived from
class printerAbstract and thus inherits common printer attributes.
This class should be used with a structural class.
Fleming, McDonald Expires 3 October 2012 [Page 11]
Internet Draft LDAP Schema for Printer Services 3 April 2012
3.5. printerIPP
( 1.3.18.0.2.6.256
NAME 'printerIPP'
DESC 'Internet Printing Protocol (IPP) information.'
AUXILIARY
SUP top
MAY ( printer-ipp-versions-supported $
printer-ipp-features-supported $
printer-multiple-document-jobs-supported )
)
This auxiliary class defines Internet Printing Protocol (IPP/1.1)
[RFC2911] information. It should be used with a structural class
such as printerService. It is used to extend structural classes with
IPP specific printer information.
3.6. printerLPR
( 1.3.18.0.2.6.253
NAME 'printerLPR'
DESC 'LPR information.'
AUXILIARY
SUP top
MUST ( printer-name )
MAY ( printer-aliases)
)
This auxiliary class defines LPR [RFC1179] information. It should be
used with a structural class such as printerService. It is used to
identify directory entries that support LPR.
Fleming, McDonald Expires 3 October 2012 [Page 12]
Internet Draft LDAP Schema for Printer Services 3 April 2012
4. Definition of Attribute Types
The following attribute types are referenced by the object classes
defined in Section 3.
The following attribute types reference syntax OIDs defined in
Section 3 of [RFC4517] (see Section 5 'Definition of Syntaxes'
below).
The following attribute types reference matching rule names (instead
of OIDs) for clarity (see Section 6 below). For optional attributes,
if the printer information is not known, the attribute value should
not be set. In the following definitions, referenced matching rules
are defined in Section 4 of [RFC4517] (see Section 6 'Definition of
Matching Rules' below).
The following table is a summary of the attribute names defined by
this document and their corresponding source document names as
defined in [RFC2911], [RFC3805], [PWG5107.2], or [PWG5100.JPS3].
Some source attribute names have been prefixed with 'printer-' as
recommended in [RFC2926], to address the flat namespace for LDAP
identifiers.
LDAP & SLP Printer Schema Source Document and Attribute Name
------------------------------ -------------------------------------
*** IPP/1.1 and Semantics Model [RFC2911]
printer-uri
printer-xri-supported
[printer-uri-supported]
[uri-authentication-supported]
[uri-security-supported]
printer-name printer-name
printer-natural-language-configured
natural-language-configured
printer-location printer-location
printer-info printer-info
printer-more-info printer-more-info
printer-make-and-model printer-make-and-model
printer-ipp-versions-supported ipp-versions-supported
printer-multiple-document-jobs-supported
multiple-document-jobs-supported
printer-charset-configured charset-configured
printer-charset-supported charset-supported
printer-generated-natural-language-supported
generated-natural-language-supported
printer-document-format-supported
document-format-supported
printer-color-supported color-supported
printer-compression-supported compression-supported
Fleming, McDonald Expires 3 October 2012 [Page 13]
Internet Draft LDAP Schema for Printer Services 3 April 2012
printer-pages-per-minute pages-per-minute
printer-pages-per-minute-color pages-per-minute-color
printer-finishings-supported finishings-supported
printer-number-up-supported number-up-supported
printer-sides-supported sides-supported
printer-media-supported media-supported
printer-media-local-supported [site names from IPP media-supported]
printer-resolution-supported printer-resolution-supported
printer-print-quality-supported print-quality-supported
printer-job-priority-supported job-priority-supported
printer-copies-supported copies-supported
printer-job-k-octets-supported job-k-octets-supported
*** Printer MIB v2 [RFC3805]
printer-current-operator prtGeneralCurrentOperator
printer-service-person prtGeneralServicePerson
printer-delivery-orientation-supported
prtOutputPageDeliveryOrientation
printer-stacking-order-supported
prtOutputStackingOrder
printer-output-features-supported
[prtOutputBursting]
[prtOutputDecollating]
[prtOutputPageCollated]
[prtOutputOffsetStacking]
printer-aliases prtGeneralPrinterName
*** Cmd Set 1284 Device ID [PWG5107.2]
printer-device-id printer-device-id
*** IPP Job/PrinterExt Set 3 [PWG5100.JPS
printer-charge-info printer-charge-info
printer-charge-info-uri printer-charge-info-uri
printer-geo-location printer-geo-location
printer-ipp-features-supported ipp-features-supported
printer-uuid printer-uuid
Fleming, McDonald Expires 3 October 2012 [Page 14]
Internet Draft LDAP Schema for Printer Services 3 April 2012
4.1. printer-uri
( 1.3.18.0.2.4.1140
NAME 'printer-uri'
DESC 'A URI supported by this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
SINGLE-VALUE
)
If the printer-xri-supported LDAP attribute is implemented, then this
printer-uri value should be listed in printer-xri-supported.
Values of URI should conform to [STD66], although URI schemes may be
defined which do not conform to [STD66] (see [BCP35]).
Note: LDAP application clients should not attempt to use malformed
URI values read from this attribute. LDAP administrative clients
should not write malformed URI values into this attribute.
Note: For SLP registered printers, the LDAP printer-uri attribute
should be set to the value of the SLP-registered URL of the printer,
for interworking with SLPv2 [RFC2608] service discovery.
Note: See Sections 1.1, 1.2, and 1.3 for rationale for design
choices.
4.2. printer-xri-supported
( 1.3.18.0.2.4.1107
NAME 'printer-xri-supported'
DESC 'The unordered list of XRI (extended resource identifiers)
supported by this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
)
A list of XRI (extended resource identifiers) supported by this
printer. Each value of this list should consist of a URI (uniform
resource identifier) followed by (optional) authentication and
security fields.
Values of URI should conform to [STD66], although URI schemes may be
defined which do not conform to [STD66] (see [BCP35]).
Fleming, McDonald Expires 3 October 2012 [Page 15]
Internet Draft LDAP Schema for Printer Services 3 April 2012
Note: LDAP application clients should not attempt to use malformed
URI values read from this attribute. LDAP administrative clients
should not write malformed URI values into this attribute.
Note: This attribute is based on 'printer-uri-supported',
'uri-authentication-supported', and 'uri-security-supported' (called
the 'Three Musketeers' because they are parallel ordered attributes)
defined in IPP/1.1 [RFC2911]. This attribute unfolds those IPP/1.1
attributes and thus avoids the ordering (and same number of values)
constraints of the IPP/1.1 separate attributes.
Defined keywords for fields include:
'uri' (IPP 'printer-uri-supported')
'auth' (IPP 'uri-authentication-supported')
'sec' (IPP 'uri-security-supported')
A missing 'auth' field should be interpreted to mean 'none'. Per
IPP/1.1 [RFC2911], IPP Job and Printer Extensions - Set 3
[PWG5100.JPS3], and IANA IPP Registry [IANAIPP], defined values of
the 'auth' field include:
'none' (no authentication for this URI)
'requesting-user-name' (from operation request)
'basic' (HTTP/1.1 Basic [RFC2617])
'digest' (HTTP/1.1 Basic, [RFC2617])
'certificate' (from certificate)
'negotiate' (HTTP/1.1 Negotiate [RFC4559])
A missing 'sec' field should be interpreted to mean 'none'. Per
IPP/1.1 [RFC2911] and IANA IPP Registry [IANAIPP], defined values of
the 'sec' field include:
'none' (no security for this URI)
'ssl3' (Netscape SSL3)
'tls' (IETF TLS, [RFC5246])
Each XRI field should be delimited by '<'. For example:
'uri=ipp://example.com/ipp< auth=digest< sec=tls<'
'uri=lpr://example.com/lpr< auth=none< sec=none<'
'uri=mailto:printer@example.com< auth=none< sec=none<'
Note: The syntax and delimiter for this attribute are aligned with
the equivalent attribute in the 'service:printer:' v2.0 template
[SLPPRT20]. Whitespace is permitted after (but not before) the
delimiter '<'. Note that this delimiter differs from
printer-resolution-supported.
Note: See Sections 1.1, 1.2, and 1.3 for rationale for design
Fleming, McDonald Expires 3 October 2012 [Page 16]
Internet Draft LDAP Schema for Printer Services 3 April 2012
choices.
4.3. printer-name
( 1.3.18.0.2.4.1135
NAME 'printer-name'
DESC 'The site-specific administrative name of this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
SINGLE-VALUE
)
Values of this attribute should be specified in the language
specified in printer-natural-language-configured (for example, to
support text-to-speech conversions), although the printer's name may
be specified in any language. This name may be the last part of the
printer's URI or it may be completely unrelated. This name may
contain characters that are not allowed in a conventional URI (see
[STD66]).
4.4. printer-natural-language-configured
( 1.3.18.0.2.4.1119
NAME 'printer-natural-language-configured'
DESC 'The configured natural language in which error and status
messages will be generated (by default) by this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
SINGLE-VALUE
)
Also, a possible natural language for printer string attributes set
by operator, system administrator, or manufacturer. Also, the
(declared) natural language of the printer-name, printer-location,
printer-info, and printer-make-and-model attributes of this printer.
Values of language tags should conform to Tags for Identifying
Languages [BCP47]. For example:
'en-us' (English as spoken in the US)
'fr-fr' (French as spoken in France)
Note: For consistency with IPP/1.1 [RFC2911], language tags in this
attribute should be lowercase normalized.
Fleming, McDonald Expires 3 October 2012 [Page 17]
Internet Draft LDAP Schema for Printer Services 3 April 2012
4.5. printer-location
( 1.3.18.0.2.4.1136
NAME 'printer-location'
DESC 'The physical location of this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
SINGLE-VALUE
)
For example:
'Room 123A'
'Second floor of building XYZ'
4.6. printer-info
( 1.3.18.0.2.4.1139
NAME 'printer-info'
DESC 'Descriptive information about this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
SINGLE-VALUE
)
For example:
'This printer can be used for printing color transparencies for
HR presentations'
'Out of courtesy for others, please print only small (1-5 page)
jobs at this printer'
'This printer is going away on July 1, 1997, please find a new
printer'
4.7. printer-more-info
( 1.3.18.0.2.4.1134
NAME 'printer-more-info'
DESC 'A URI for more information about this specific printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
Fleming, McDonald Expires 3 October 2012 [Page 18]
Internet Draft LDAP Schema for Printer Services 3 April 2012
SINGLE-VALUE
)
For example, this could be an HTTP type URI referencing an HTML page
accessible to a Web Browser. The information obtained from this URI
is intended for end user consumption.
Values of URI should conform to [STD66], although URI schemes may be
defined which do not conform to [STD66] (see [BCP35]).
Note: LDAP application clients should not attempt to use malformed
URI values read from this attribute. LDAP administrative clients
should not write malformed URI values into this attribute.
Note: See Sections 1.1, 1.2, and 1.3 for rationale for design
choices.
4.8. printer-make-and-model
( 1.3.18.0.2.4.1138
NAME 'printer-make-and-model'
DESC 'Make and model of this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
SINGLE-VALUE
)
Note: The printer manufacturer may initially populate this
attribute.
4.9. printer-ipp-versions-supported
( 1.3.18.0.2.4.1133
NAME 'printer-ipp-versions-supported'
DESC 'IPP protocol version(s) that this printer supports.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
)
The IPP protocol version(s) should include major and minor versions,
i.e., the exact version numbers for which this Printer implementation
meets the IPP version-specific conformance requirements.
For example:
Fleming, McDonald Expires 3 October 2012 [Page 19]
Internet Draft LDAP Schema for Printer Services 3 April 2012
'1.1' (IPP/1.1 [RFC2911])
'2.0' (IPP/2.0 [PWG5100.12])
4.10. printer-multiple-document-jobs-supported
( 1.3.18.0.2.4.1132
NAME 'printer-multiple-document-jobs-supported'
DESC 'Indicates whether or not this printer supports more than one
document per job.'
EQUALITY booleanMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.7
SINGLE-VALUE
)
4.11. printer-charset-configured
( 1.3.18.0.2.4.1109
NAME 'printer-charset-configured'
DESC 'The configured charset in which error and status messages will
be generated (by default) by this printer.'
EQUALITY caseIgnoreMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{63}
SINGLE-VALUE
)
Also, a possible charset for printer string attributes set by
operator, system administrator, or manufacturer. For example:
'utf-8' (ISO 10646/Unicode in UTF-8 transform [STD63])
'iso-8859-1' (Latin1)
Values of charset tags should be defined in the IANA Registry of
Character Sets [IANACHAR] (see also [BCP19]) and the '(preferred MIME
name)' should be used as the charset tag in this attribute.
Note: For consistency with IPP/1.1 [RFC2911], charset tags in this
attribute should be lowercase normalized.
4.12. printer-charset-supported
( 1.3.18.0.2.4.1131
NAME 'printer-charset-supported'
DESC 'Set of charsets supported for the attribute values of syntax
DirectoryString for this directory entry.'
Fleming, McDonald Expires 3 October 2012 [Page 20]
Internet Draft LDAP Schema for Printer Services 3 April 2012
EQUALITY caseIgnoreMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{63}
)
For example:
'utf-8' (ISO 10646/Unicode in UTF-8 transform [STD63])
'iso-8859-1' (Latin1)
Values of charset tags should be defined in the IANA Registry of
Character Sets [IANACHAR] (see also [BCP19]) and the '(preferred MIME
name)' should be used as the charset tag in this attribute.
Note: For consistency with IPP/1.1 [RFC2911], charset tags in this
attribute should be lowercase normalized.
4.13. printer-generated-natural-language-supported
( 1.3.18.0.2.4.1137
NAME 'printer-generated-natural-language-supported'
DESC 'Natural language(s) supported for this directory entry.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{63}
)
Values of language tags should conform to Tags for Identifying
Languages [BCP47]. For example:
'en-us' (English as spoken in the US)
'fr-fr' (French as spoken in France)
Note: For consistency with IPP/1.1 [RFC2911], language tags in this
attribute should be lowercase normalized.
4.14. printer-document-format-supported
( 1.3.18.0.2.4.1130
NAME 'printer-document-format-supported'
DESC 'The possible source document formats which may be interpreted
and printed by this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
)
Values of document formats should be MIME media types defined in the
Fleming, McDonald Expires 3 October 2012 [Page 21]
Internet Draft LDAP Schema for Printer Services 3 April 2012
IANA Registry of MIME Media Types [IANAMIME] (see also [BCP13]).
For example:
'application/postscript' (Adobe PostScript)
'text/plain' (plain text)
4.15. printer-color-supported
( 1.3.18.0.2.4.1129
NAME 'printer-color-supported'
DESC 'Indicates whether this printer is capable of any type of color
printing at all, including highlight color.'
EQUALITY booleanMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.7
SINGLE-VALUE
)
4.16. printer-compression-supported
( 1.3.18.0.2.4.1128
NAME 'printer-compression-supported'
DESC 'Compression algorithms supported by this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{255}
)
Values defined in IPP/1.1 [RFC2911] and recorded in the IANA IPP
Registry [IANAIPP] include:
'none' (no compression is used)
'deflate' (public domain ZIP described in [RFC1951])
'gzip' (GNU ZIP described in [RFC1952])
'compress' (UNIX compression described in [RFC1977])
4.17. printer-pages-per-minute
( 1.3.18.0.2.4.1127
NAME 'printer-pages-per-minute'
DESC 'The nominal number of pages per minute which may be output by
this printer.'
EQUALITY integerMatch
ORDERING integerOrderingMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.27
Fleming, McDonald Expires 3 October 2012 [Page 22]
Internet Draft LDAP Schema for Printer Services 3 April 2012
SINGLE-VALUE
)
This attribute is informative, not a service guarantee. Typically,
it is the value used in marketing literature to describe this
printer. For example, the value for a simplex or black-and-white
print mode.
4.18. printer-pages-per-minute-color
( 1.3.18.0.2.4.1126
NAME 'printer-pages-per-minute-color'
DESC 'The nominal number of color pages per minute which may be
output by this printer.'
EQUALITY integerMatch
ORDERING integerOrderingMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.27
SINGLE-VALUE
)
This attribute is informative, not a service guarantee. Typically,
it is the value used in marketing literature to describe this
printer.
4.19. printer-finishings-supported
( 1.3.18.0.2.4.1125
NAME 'printer-finishings-supported'
DESC 'The possible finishing operations supported by this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{255}
)
Values defined in IPP/1.1 [RFC2911] and recorded in the IANA IPP
Registry [IANAIPP] include: 'none', 'staple', 'punch', 'cover',
'bind', 'saddle-stitch', 'edge-stitch', 'staple-top-left',
'staple-bottom-left', 'staple-top-right', 'staple-bottom-right',
'edge-stitch-left', 'edge-stitch-top', 'edge-stitch-right',
'edge-stitch-bottom', 'staple-dual-left', 'staple-dual-top',
'staple-dual-right', 'staple-dual-bottom'.
Note: Implementations may support other values.
Fleming, McDonald Expires 3 October 2012 [Page 23]
Internet Draft LDAP Schema for Printer Services 3 April 2012
4.20. printer-number-up-supported
( 1.3.18.0.2.4.1124
NAME 'printer-number-up-supported'
DESC 'The possible numbers of print-stream pages to impose upon a
single side of an instance of a selected medium.'
EQUALITY integerMatch
ORDERING integerOrderingMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.27
)
Values defined in IPP/1.1 [RFC2911] and recorded in the IANA IPP
Registry [IANAIPP] include: '1', '2', and '4'.
Note: Implementations may support other values.
4.21. printer-sides-supported
( 1.3.18.0.2.4.1123
NAME 'printer-sides-supported'
DESC 'The number of impression sides (one or two) and the two-sided
impression rotations supported by this printer.'
EQUALITY caseIgnoreMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
)
Values defined in IPP/1.1 [RFC2911] and recorded in the IANA IPP
Registry [IANAIPP] are: 'one-sided', 'two-sided-long-edge',
'two-sided-short-edge'.'
4.22. printer-media-supported
( 1.3.18.0.2.4.1122
NAME 'printer-media-supported'
DESC 'The standard names/types/sizes (and optional color suffixes) of
the media supported by this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{255}
)
Values should conform to PWG Media Standardized Names [PWG5101.1].
Values defined in IPP/1.1 [RFC2911] and recorded in the IANA IPP
Registry [IANAIPP] include:
Fleming, McDonald Expires 3 October 2012 [Page 24]
Internet Draft LDAP Schema for Printer Services 3 April 2012
'iso-a4'
'envelope'
'na-letter-white'
4.23. printer-media-local-supported
( 1.3.18.0.2.4.1117
NAME 'printer-media-local-supported'
DESC 'Site-specific names of media supported by this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{255}
)
Values should conform to PWG Media Standardized Names [PWG5101.1].
For example:
'custom_purchasing-form_8.5x11in' (site-specific name)
4.24. printer-resolution-supported
( 1.3.18.0.2.4.1121
NAME 'printer-resolution-supported'
DESC 'List of resolutions supported for printing documents by this
printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{255}
)
Each resolution value should be a string containing 3 fields:
1) Cross feed direction resolution (positive integer);
2) Feed direction resolution (positive integer);
3) Unit - 'dpi' (dots per inch) or 'dpcm' (dots per centimeter).
Each resolution field should be delimited by '>'. For example:
'300>300>dpi>'
'600>600>dpi>'
Note: This attribute is based on 'printer-resolution-supported'
defined in IPP/1.1 [RFC2911] (which has a binary complex encoding)
derived from 'prtMarkerAddressabilityFeedDir',
'prtMarkerAddressabilityXFeedDir', and 'prtMarkerAddressabilityUnit'
defined in the Printer MIB [RFC1759] (which have integer encodings).
Fleming, McDonald Expires 3 October 2012 [Page 25]
Internet Draft LDAP Schema for Printer Services 3 April 2012
Note: The syntax and delimiter for this attribute are aligned with
the equivalent attribute in the 'service:printer:' v2.0 template
[SLPPRT20]. Whitespace is permitted after (but not before) the
delimiter '>'.
Note: This delimiter differs from printer-xri-supported.
4.25. printer-print-quality-supported
( 1.3.18.0.2.4.1120
NAME 'printer-print-quality-supported'
DESC 'List of print qualities supported for printing documents on
this printer.'
EQUALITY caseIgnoreMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
)
Values defined in IPP/1.1 [RFC2911] and recorded in the IANA IPP
Registry [IANAIPP] include:
'unknown'
'draft'
'normal'
'high'
4.26. printer-job-priority-supported
( 1.3.18.0.2.4.1110
NAME 'printer-job-priority-supported'
DESC 'Indicates the number of job priority levels supported by this
printer.'
EQUALITY integerMatch
ORDERING integerOrderingMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.27
SINGLE-VALUE
)
An IPP/1.1 [RFC2911] conformant Printer, which supports job priority,
always supports a full range of priorities from '1' to '100' (to
ensure consistent behavior), therefore this attribute describes the
'granularity' of priority supported. Values of this attribute are
from '1' to '100'.
Fleming, McDonald Expires 3 October 2012 [Page 26]
Internet Draft LDAP Schema for Printer Services 3 April 2012
4.27. printer-copies-supported
( 1.3.18.0.2.4.1118
NAME 'printer-copies-supported'
DESC 'The maximum number of copies of a document that may be printed
as a single job on this printer.'
EQUALITY integerMatch
ORDERING integerOrderingMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.27
SINGLE-VALUE
)
A positive value indicates the maximum supported copies. A value of
'0' indicates no maximum limit. A value of '-1' indicates 'unknown'.
Note: The syntax and values for this attribute are aligned with the
equivalent attribute in the 'service:printer:' v2.0 template
[SLPPRT20].
4.28. printer-job-k-octets-supported
( 1.3.18.0.2.4.1111
NAME 'printer-job-k-octets-supported'
DESC 'The maximum size in kilobytes (1,024 octets actually) incoming
print job that this printer will accept.'
EQUALITY integerMatch
ORDERING integerOrderingMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.27
SINGLE-VALUE
)
A positive value indicates the maximum supported job size. A value
of '0' indicates no maximum limit. A value of '-1' indicates
'unknown'.
Note: The syntax and values for this attribute are aligned with the
equivalent attribute in the 'service:printer:' v2.0 template
[SLPPRT20].
4.29. printer-current-operator
( 1.3.18.0.2.4.1112
NAME 'printer-current-operator'
DESC 'The identity of the current human operator responsible for
operating this printer.'
Fleming, McDonald Expires 3 October 2012 [Page 27]
Internet Draft LDAP Schema for Printer Services 3 April 2012
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
SINGLE-VALUE
)
The value of this attribute should include information that would
enable other humans to reach the operator, such as a telephone
number.
4.30. printer-service-person
( 1.3.18.0.2.4.1113
NAME 'printer-service-person'
DESC 'The identity of the current human service person responsible
for servicing this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
SINGLE-VALUE
)
The value of this attribute should include information that would
enable other humans to reach the service person, such as a telephone
number.
4.31. printer-delivery-orientation-supported
( 1.3.18.0.2.4.1114
NAME 'printer-delivery-orientation-supported'
DESC 'The possible delivery orientations of pages as they are printed
and ejected from this printer.'
EQUALITY caseIgnoreMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
)
Values defined in Printer MIB v2 [RFC3805] for
prtOutputPageDeliveryOrientation are:
'unknown'
'face-up'
'face-down'
Note: The syntax and values for this attribute are aligned with the
equivalent attribute in the 'service:printer:' v2.0 template
[SLPPRT20].
Fleming, McDonald Expires 3 October 2012 [Page 28]
Internet Draft LDAP Schema for Printer Services 3 April 2012
4.32. printer-stacking-order-supported
( 1.3.18.0.2.4.1115
NAME 'printer-stacking-order-supported'
DESC 'The possible stacking order of pages as they are printed and
ejected from this printer.'
EQUALITY caseIgnoreMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
)
Values defined in Printer MIB v2 [RFC3805] for prtOutputStackingOrder
are:
'unknown'
'first-to-last'
'last-to-first'
Note: The syntax and values for this attribute are aligned with the
equivalent attribute in the 'service:printer:' v2.0 template
[SLPPRT20].
4.33. printer-output-features-supported
( 1.3.18.0.2.4.1116
NAME 'printer-output-features-supported'
DESC 'The possible output features supported by this printer.'
EQUALITY caseIgnoreMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
)
Values defined in Printer MIB v2 [RFC3805] for prtOutputBursting,
prtOutputDecollating, prtOutputPageCollated, and
prtOutputOffsetStacking are:
'unknown'
'bursting'
'decollating'
'page-collating'
'offset-stacking'
Note: The syntax and values for this attribute are aligned with the
equivalent attribute in the 'service:printer:' v2.0 template
[SLPPRT20].
Note: Implementations may support other values.
Fleming, McDonald Expires 3 October 2012 [Page 29]
Internet Draft LDAP Schema for Printer Services 3 April 2012
4.34. printer-aliases
( 1.3.18.0.2.4.1108
NAME 'printer-aliases'
DESC 'List of site-specific administrative names of this printer in
addition to the value specified for printer-name.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{127}
)
Values of this attribute should be specified in the language
specified in printer-natural-language-configured (for example, to
support text-to-speech conversions), although the printer's alias may
be specified in any language.
4.35. printer-device-id
( ...
NAME 'printer-device-id'
DESC 'The IEEE 1284 Device ID for this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{255}
)
Values of this attribute should conform to IEEE-ISTO PWG Command Set
Format for IEEE 1284 Device ID [PWG5107.2].
Note: The corresponding IPP printer-device-id attribute defined in
[PWG5107.2] has a maximum string length of 1023 octets.
Implementations should place required key/value pairs first and
should truncate only at key/value pair boundaries for
interoperability.
4.36. printer-charge-info
( ...
NAME 'printer-charge-info'
DESC 'Descriptive information about paid printing services for this
printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{255}
Fleming, McDonald Expires 3 October 2012 [Page 30]
Internet Draft LDAP Schema for Printer Services 3 April 2012
SINGLE-VALUE
)
For example:
'This printer can be used for paid printing at 2 cents/page.'
4.37. printer-charge-info-uri
( ...
NAME 'printer-charge-info-uri'
DESC 'A URI for a human-readable Web page for paid printing services
for this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
SINGLE-VALUE
)
Values of URI should conform to [STD66], although URI schemes may be
defined which do not conform to [STD66] (see [BCP35]).
Note: LDAP application clients should not attempt to use malformed
URI values read from this attribute. LDAP administrative clients
should not write malformed URI values into this attribute.
4.38. printer-geo-location
( ...
NAME 'printer-geo-location'
DESC 'A URI specifying the geographic location of this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
SINGLE-VALUE
)
Values of this attribute must conform to the 'geo' URI scheme
[RFC5870].
Note: LDAP application clients should not attempt to use malformed
URI values read from this attribute. LDAP administrative clients
should not write malformed URI values into this attribute.
Fleming, McDonald Expires 3 October 2012 [Page 31]
Internet Draft LDAP Schema for Printer Services 3 April 2012
4.39. printer-ipp-features-supported
( ...
NAME 'printer-ipp-features-supported'
DESC 'IPP protocol features that this printer supports.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{255}
)
The IPP protocol features should specify only IANA-registered
keywords for the IPP "ipp-features-supported" [PWG5100.JPS3] values
for which this Printer implementation meets the IPP feature-specific
conformance requirements.
For example:
'none'
'job-save'
4.40. printer-uuid
( ...
NAME 'printer-uuid'
DESC 'A URN specifying UUID of this printer.'
EQUALITY caseIgnoreMatch
SUBSTR caseIgnoreSubstringsMatch
SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
SINGLE-VALUE
)
Values of this attribute must conform to the UUID URN namespace
[RFC4122].
Note: LDAP application clients should not attempt to use malformed
URN values read from this attribute. LDAP administrative clients
should not write malformed URN values into this attribute.
Fleming, McDonald Expires 3 October 2012 [Page 32]
Internet Draft LDAP Schema for Printer Services 3 April 2012
5. Definition of Syntaxes
No new attribute syntaxes are defined by this document.
The attribute types defined in Section 4 of this document reference
syntax OIDs defined in Section 3 of [RFC4517], which are summarized
below:
Syntax OID Syntax Description
------------------------------ ------------------
1.3.6.1.4.1.1466.115.121.1.7 Boolean
1.3.6.1.4.1.1466.115.121.1.15 DirectoryString (UTF-8 [STD63])
1.3.6.1.4.1.1466.115.121.1.27 Integer
6. Definition of Matching Rules
No new matching rules are defined by this document.
The attribute types defined in Section 4 of this document reference
matching rules defined in Section 4 of [RFC4517], which are
summarized below:
Matching Rule OID Matching Rule Name Usage
------------------------------ ------------------ -----
2.5.13.13 booleanMatch EQUALITY
2.5.13.2 caseIgnoreMatch EQUALITY
2.5.13.14 integerMatch EQUALITY
2.5.13.15 integerOrderingMatch ORDERING
2.5.13.4 caseIgnoreSubstringsMatch SUBSTR
Fleming, McDonald Expires 3 October 2012 [Page 33]
Internet Draft LDAP Schema for Printer Services 3 April 2012
7. IANA Considerations
This document does not define any new syntaxes or matching rules.
This document does define the following Object Identifier
Descriptors, for registration by IANA when this RFC is published:
7.1. Registration of Object Classes
Subject: Request for LDAP Descriptor Registration
Descriptor (short name): see table below
Object Identifier: see table below
Person & email address to contact for further information: see below
Usage: object class
Specification: RFCnnnn [ [RFC Editor: to be assigned] ]
Author/Change Controller:
Pat Fleming
IBM
Highway 52 N
Rochester, MN 55901
USA
Phone: +1 507-253-7583
EMail: flemingp@us.ibm.com
Comments:
Object Class OID
------------------------------------ ---------------------
slpServicePrinter 1.3.18.0.2.6.254
printerAbstract 1.3.18.0.2.6.258
printerService 1.3.18.0.2.6.255
printerServiceAuxClass 1.3.18.0.2.6.257
printerIPP 1.3.18.0.2.6.256
printerLPR 1.3.18.0.2.6.253
Fleming, McDonald Expires 3 October 2012 [Page 34]
Internet Draft LDAP Schema for Printer Services 3 April 2012
7.2. Registration of Attribute Types
[[[ ISSUE: Need to assign new IBM subtree OIDs to new attributes -
but should wait until final set of new attributes has settled down
after review by IEEE-ISTO PWG IPP working group members. ]]]
Subject: Request for LDAP Descriptor Registration
Descriptor (short name): see table below
Object Identifier: see table below
Person & email address to contact for further information: see below
Usage: attribute type
Specification: RFCnnnn [ [RFC Editor: to be assigned] ]
Author/Change Controller:
Pat Fleming
IBM
Highway 52 N
Rochester, MN 55901
USA
Phone: +1 507-253-7583
EMail: flemingp@us.ibm.com
Comments:
Attribute Type OID
------------------------------------ ---------------------
printer-uri 1.3.18.0.2.4.1140
printer-xri-supported 1.3.18.0.2.4.1107
printer-name 1.3.18.0.2.4.1135
printer-natural-language-configured 1.3.18.0.2.4.1119
printer-location 1.3.18.0.2.4.1136
printer-info 1.3.18.0.2.4.1139
printer-more-info 1.3.18.0.2.4.1134
printer-make-and-model 1.3.18.0.2.4.1138
printer-ipp-versions-supported 1.3.18.0.2.4.1133
printer-multiple-document-jobs-supported 1.3.18.0.2.4.1132
printer-charset-configured 1.3.18.0.2.4.1109
printer-charset-supported 1.3.18.0.2.4.1131
printer-generated-natural-language-supported 1.3.18.0.2.4.1137
printer-document-format-supported 1.3.18.0.2.4.1130
printer-color-supported 1.3.18.0.2.4.1129
printer-compression-supported 1.3.18.0.2.4.1128
printer-pages-per-minute 1.3.18.0.2.4.1127
Fleming, McDonald Expires 3 October 2012 [Page 35]
Internet Draft LDAP Schema for Printer Services 3 April 2012
printer-pages-per-minute-color 1.3.18.0.2.4.1126
printer-finishings-supported 1.3.18.0.2.4.1125
printer-number-up-supported 1.3.18.0.2.4.1124
printer-sides-supported 1.3.18.0.2.4.1123
printer-media-supported 1.3.18.0.2.4.1122
printer-media-local-supported 1.3.18.0.2.4.1117
printer-resolution-supported 1.3.18.0.2.4.1121
printer-print-quality-supported 1.3.18.0.2.4.1120
printer-job-priority-supported 1.3.18.0.2.4.1110
printer-copies-supported 1.3.18.0.2.4.1118
printer-job-k-octets-supported 1.3.18.0.2.4.1111
printer-current-operator 1.3.18.0.2.4.1112
printer-service-person 1.3.18.0.2.4.1113
printer-delivery-orientation-supported 1.3.18.0.2.4.1114
printer-stacking-order-supported 1.3.18.0.2.4.1115
printer-output-features-supported 1.3.18.0.2.4.1116
printer-aliases 1.3.18.0.2.4.1108
------------------------------------ ---------------------
printer-device-id
printer-charge-info
printer-charge-info-uri
printer-geo-location
printer-ipp-features-supported
printer-uuid
Fleming, McDonald Expires 3 October 2012 [Page 36]
Internet Draft LDAP Schema for Printer Services 3 April 2012
8. Internationalization Considerations
All text string attributes defined in this document of syntax
'DirectoryString' [RFC4517] have values that are encoded in UTF-8
[STD63], as required by [RFC4517].
A language tag [BCP47] for all of the text string attributes defined
in this document is contained in the
printer-natural-language-configured attribute.
Therefore, all object classes defined in this document conform to the
IETF Policy on Character Sets and Languages [BCP18].
9. Security Considerations
See [RFC4513] for detailed guidance on authentication methods for
LDAP and the use of TLS/1.2 [RFC5246] to supply connection
confidentiality and data integrity for LDAP sessions.
As with any LDAP schema, it is important to protect specific entries
and attributes with the appropriate access control. It is
particularly important that only administrators can modify entries
defined in this LDAP printer schema. Otherwise, an LDAP client might
be fooled into diverting print service requests from the original
printer (or spooler) to a malicious intruder's host system, thus
exposing the information in printed documents.
For additional security considerations of deploying printers in an
IPP environment, see Section 8 of [RFC2911].
Fleming, McDonald Expires 3 October 2012 [Page 37]
Internet Draft LDAP Schema for Printer Services 3 April 2012
10. References
10.1. Normative References
[BCP47] A. Phillips, Ed., M. Davis, Ed. Tags for Identifying
Languages, BCP 47, RFC 5646, September 2009.
[IANACHAR] Internet Assigned Numbers Authority (IANA) Registry
"Character Sets"
<http://www.iana.org/assignments/character-sets>
[IANAIPP] Internet Assigned Numbers Authority (IANA) Registry
"Internet Printing Protocol"
<http://www.iana.org/assignments/ipp-registrations>
[IANAMIME] Internet Assigned Numbers Authority (IANA) Registry "MIME
Media Types"
<http://www.iana.org/assignments/media-types/index.html>
[PWG5100.EVE] Sweet, M., and I. McDonald. IEEE-ISTO PWG IPP
Everywhere 1.0, <work-in-progress>.
<ftp://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippeve10-20120201.pdf>
[PWG5100.JPS3] Sweet, M., and I. McDonald. IEEE-ISTO PWG IPP Job and
Printer Extensions - Set 3, <work-in-progress>.
<ftp://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippjobprinterext3v10-20120327.pd
f>
[PWG5101.1] Bergman, R., and T. Hastings. IEEE-ISTO PWG Media
Standardized Names, PWG 5101.1, February 2002.
<ftp://ftp.pwg.org/pub/pwg/candidates/
cs-pwgmsn10-20020226-5101.1.pdf>
[PWG5107.2] I. McDonald. IEEE-ISTO PWG Command Set for IEEE 1284
Device ID, PWG 5107.2, May 2010.
<ftp://ftp.pwg.org/pub/pwg/candidates/
cs-pmp1284cmdset10-20100531-5107.2.pdf>
[RFC2119] S. Bradner. Key words for use in RFCs to Indicate
Requirement Levels, RFC 2119, March 1997.
[RFC2911] T. Hastings, Ed., Herriot, R., Isaacson, S., and P. Powell.
Internet Printing Protocol/1.1: Model and Semantics, RFC 2911,
September 2000.
[RFC2926] Kempf, J., Moats, R., and P. St. Pierre. Conversion of
Fleming, McDonald Expires 3 October 2012 [Page 38]
Internet Draft LDAP Schema for Printer Services 3 April 2012
LDAP Schemas to and from SLP Templates, RFC 2926, September 2000.
[RFC4510] K. Zeilenga, Ed. Lightweight Directory Access Protocol
(LDAP): Technical Specification Road Map, RFC 4510, June 2006.
[RFC4513] R. Harrison, Ed. Lightweight Directory Access Protocol
(LDAP): Authentication Methods and Security Mechanisms, RFC 4513,
June 2006.
[RFC4517] S. Legg, Ed. Lightweight Directory Access Protocol (LDAP):
Syntaxes and Matching Rules, RFC 4517, June 2006.
[RFC4519] A. Sciberras, Ed. Lightweight Directory Access Protocol
(LDAP): Schema for User Applications, RFC 4519, June 2006.
[RFC4524] K. Zeilenga, Ed. COSINE LDAP/X.500 Schema, RFC 4524, June
2006.
[STD66] Berners-Lee, T., Fielding, R., and L. Masinter. Uniform
Resource Identifier (URI): Generic Syntax, STD 66, RFC 3986, January
2005.
10.2. Informative References
[BCP13] Freed, N., and J. Klensin. Media Type Specifications and
Registration Procedures, BCP 13, RFC 4288, December 2005.
[BCP18] H. Alvestrand. IETF Policy on Character Sets and Languages,
BCP 18, RFC 2277, January 1998.
[BCP19] Freed, N., and J. Postel. IANA Charset Registration
Procedures, BCP 19, RFC 2978, October 2000.
[BCP35] Hansen, T., Hardie, T., and L. Masinter. Guidelines and
Registration Procedures for New URI Schemes, BCP 35, RFC 4395,
February 2006.
[IANASLP] Internet Assigned Numbers Authority (IANA) Registry
"Service Location Protocol, Version 2 (SLPv2) Templates"
<http://www.iana.org/assignments/svrloc-templates.html>
[RFC1179] L. McLaughlin. Line Printer Daemon Protocol, RFC 1179,
August 1990.
[RFC1951] P. Deutsch. DEFLATE Compressed Data Format Specification
Version 1.3, RFC 1951, May 1996.
[RFC1952] P. Deutsch. GZIP File Format Specification Version 4.3,
Fleming, McDonald Expires 3 October 2012 [Page 39]
Internet Draft LDAP Schema for Printer Services 3 April 2012
RFC 1952, May 1996.
[RFC1977] V. Schryver. PPP BSD Compression Protocol, RFC 1977,
August 1996.
[RFC2079] M. Smith. Definition of an X.500 Attribute Type and an
Object Class to Hold Uniform Resource Identifiers (URIs), RFC 2079,
January 1997.
[RFC2608] Guttman, E., Perkins, C., Veizades, J., and M. Day.
Service Location Protocol v2, RFC 2608, June 1999.
[RFC2609] Guttman, E., Perkins, C., and J. Kempf. Service Templates
and Service: Schemes, RFC 2609, June 1999.
[RFC2617] Franks, J., Hallam-Baker, P., Hostetler, J., Lawrence, S.,
Leach, P., Luotonen, A., and L. Stewart. HTTP Authentication: Basic
and Digest Access Authentication, RFC 2617, June 1999.
[RFC3987] Duerst, M., and M. Suignard. Internationalized Resource
Identifiers (IRI), RFC 3987, January 2005.
[RFC4122] Leach, P., Mealling, M., and R. Salz. A Universally Unique
IDentifier (UUID) URN Namespace, RFC 4122, July 2005.
[RFC4559] Jaganathan, K., Zhu, L., and J. Brezak. SPNEGO-based
Kerberos and NTLM HTTP Authentication in Microsoft Windows, RFC 4559,
June 2006.
[RFC5246] Dierks, T., and E. Rescorla. The Transport Layer Security
(TLS) Protocol Version 1.2, RFC 5246, August 2008.
[RFC5870] Mayrhofer, A., and C. Spanring. A Uniform Resource
Identifier for Geographic Locations ('geo' URI), RFC 5870, June 2010.
[SLPPRT20] St. Pierre, P., Isaacson, S., and I. McDonald. Definition
of of the PrinterAbstract Service Type v2.0, May 2000.
Reviewed and approved by IETF SLP Designated Expert, according to
Section 5 'IANA Considerations' in [RFC2609].
Archived in [IANASLP] as "printer.2.0.en".
[STD63] F. Yergeau. UTF-8, a Transformation Format of ISO 10646, STD
63, RFC 3629, November 2003.
11. Appendix A - Acknowledgments
The editors wish to acknowledge the very significant contributions of
Ken Jones (Bytemobile) and Harry Lewis (IBM) during the development
of the original LDAP printer schema [RFC3712].
Fleming, McDonald Expires 3 October 2012 [Page 40]
Internet Draft LDAP Schema for Printer Services 3 April 2012
Thanks to Patrik Faltstrom (Cisco), Ryan Moats (Lemur Networks),
Robert Moore (IBM), Lee Rafalow (IBM), Kimberly Reger (IBM), and Kurt
Zeilenga (OpenLDAP) for comments on the original LDAP printer schema
[RFC3712].
Thanks to the members of the IEEE-ISTO PWG IPP Working Group, for
their review comments and help in preparing this document.
12. Appendix X - Change History
[ [RFC Editor: This section to be deleted before RFC publication] ]
3 April 2012 - draft-mcdonald-ldap-printer-schema-01.txt
- Second draft - for IEEE-ISTO PWG IPP Everywhere project
- Global - changed [IPPEVE1] to [PWG5100.EVE] and [IPPJPS3] to
[PWG5100.JPS3], per IEEE-ISTO PWG IPP WG review.
- Revised section 1.1, to add printer-charge-info-uri and
printer-uuid to discussion of URI syntax, per IEEE-ISTO PWG IPP WG
review.
- Revised section 1.2 and section 1.3, to add printer-device-id to
discussions of equality and substring matching, per IEEE-ISTO PWG IPP
WG review.
- Revised section 3.2, section 4, and section 7.2, to delete
redundant printer-organization and printer-organizational-unit
(already covered by 'O' and 'OU'), per IEEE-ISTO PWG IPP WG review.
- Revised section 3.2, section 4, and section 7.2, to add missing
printer-charge-info, per IEEE-ISTO PWG IPP WG review.
- Revised section 3.5, section 4, and section 7.2, to rename
printer-ipp-extensions-supported to printer-ipp-features-supported,
per IEEE-ISTO PWG IPP WG review.
- Revised numerous section 4 subsections, to add references to
[IANAIPP] or [RFC3805] as appropriate for enumerations and keywords,
per IEEE-ISTO PWG IPP WG review.
- Revised section 4.2, to add 'negotiate' as value for 'auth' and
references to [PWG5100.JPS3], [RFC4559], and [IANAIPP], per IEEE-ISTO
PWG IPP WG review.
- Revised section 4.2, to use 'example.com' for all DNS names, per
IEEE-ISTO PWG IPP WG review.
- Revised section 4.22 and section 4.23, to add normative reference
to PWG Media Standardized Names [PWG5101.1], per IEEE-ISTO PWG IPP WG
review.
- Revised section 4.24, to divide notes into two separate paragraphs,
per IEEE-ISTO PWG IPP WG review.
- Revised section 4.31, section 4.32, and section 4.33, to change
'Values ... include' to 'Values ... are' (i.e., closed set), per
IEEE-ISTO PWG IPP WG review.
- Revised section 4.35 printer-device-id, to add warning about
ordering of required key/value pairs (first) and truncation only at
Fleming, McDonald Expires 3 October 2012 [Page 41]
Internet Draft LDAP Schema for Printer Services 3 April 2012
key/value pair boundaries for interoperability, per IEEE-ISTO PWG IPP
WG review.
- Revised section 4, to add printer-charge-info from [PWG5100.JPS3],
per IEEE-ISTO PWG IPP WG review.
- Revised section 4.38 printer-geo-location, to change 'should' to
'must' for conformance to [RFC5870], per IEEE-ISTO PWG IPP WG review.
- Revised section 4.39, to change printer-ipp-extensions-supported to
printer-ipp-features-supported per [PWG5100.JPS3] and add examples,
per IEEE-ISTO PWG IPP WG review.
- Revised section 4 subsection printer-uuid, to change 'should' to
'must' for conformance to [RFC4122], per IEEE-ISTO PWG IPP WG review.
- Revised section 10 References, to update out-of-date references.
2 October 2011 - draft-mcdonald-ldap-printer-schema-00.txt
- Initial version - for IEEE-ISTO PWG IPP Everywhere project
- Revised document to add current I-D individual submission
boilerplate.
- Revised Abstract and section 1 Introduction, to cite [PWG5107.2]
and [PWG5100.JPS3] new attribute sources.
- Revised section 3.2 printerAbstract, to add new attributes from
[PWG5107.2] and [IPPJPS3].
- Revised section 3.5, to add new attributes from [IPPJPS3].
- Revised section 4 Definition of Attribute Types, to add new
attributes from [PWG5107.2] and [IPPJPS3] to table and later specific
definitions.
- Revised section 7.2 Registration of Attribute Types, to add new
attributes from [PWG5107.2] and [IPPJPS3] - new OIDs needed.
- Revised section 10 References, to update out-of-date references.
13. Authors' Addresses
Please send comments to the authors at the addresses listed below.
Pat Fleming
IBM
3065 Highway 52 N
Rochester, MN 55901
USA
Phone: +1 507-253-7583
EMail: patfleming@us.ibm.com
Ira McDonald
High North Inc
221 Ridge Ave
Grand Marais, MI 49839
USA
Fleming, McDonald Expires 3 October 2012 [Page 42]
Internet Draft LDAP Schema for Printer Services 3 April 2012
Phone: +1 906-494-2434
Email: blueroofmusic@gmail.com
Fleming, McDonald Expires 3 October 2012 [Page 43]