Hi folks, Sunday (31 January 1999)
The following documents are at 'ftp://ftp.pwg.org/pub/pwg/ipp/new_SLP':
slp-printer-981028.txt - first revision to March 1998 draft
slp-printer-990104.txt - second revision to March 1998 draft
slp-proposal-990113.txt - summary of proposed third revision
slp-printer-990131.txt - third revision to March 1998 draft
^^^^^^^^^^^^^^^^^^^^^^ (THIS NOTE)
Below is the latest version of the SLP 'printer:' template, aligned with
the November 1998 draft of IPP/1.0 Model and Semantics, and subsequent
discussion on the IPP WG mailing list in December and January.
There are now six (6) MANDATORY attributes and twenty-two (22) OPTIONAL
attributes (all with default values specified) in this template.
Please read the change log, especially Issues 1 and 2 - recent work on
raw TCP print service by Mikael Pahmp (Axis) and recent input on NetWare
NDPS print service by Hugo Parra (Novell) have NOT been incorporated.
This template has a few 'ordered' attributes which use GREATER-THAN SIGN
'>' as their delimiter (rather than COMMA as in standard SLP 'unordered'
multi-valued attributes), for direct alignment with IPP/1.0 semantics.
The choice of GREATER-THAN SIGN '>' was suggested by reviewing RFC 2396,
"Uniform Resource Identifiers (URI): Generic Syntax", August 1998.
Cheers,
- Ira McDonald (IPP WG member, outside consultant at Xerox)
High North Inc
716-461-5667
************************************************************************
**** Revised 'printer:' template - 31 January 1998 - Ira E McDonald ****
************************************************************************
*** ISSUES
1) No updates were made for SLP 'printer:' extension work on raw TCP
print protocol (in <draft-ietf-srvloc-rawtcp-printer-scheme-00.txt>,
2 December 1998, by Mikael Pahmp, Axis, Sweden). A definitive
reference for this protocol and a concrete URL syntax is required.
In addition, the concrete URL syntax MUST be IANA registered or be
qualified with a namespace suffix (unsuitable for base template).
Thus, no IEEE 1284 device ID attribute was added at this time.
Either an authoritative vendor (HP?) will register the URL syntax
or a separate template may augment the base 'printer:' template.
2) No updates were made for SLP 'printer:' extension work on NetWare
NDPS print protocol, per agreement with Hugo Parra. A definitive
reference for this protocol and a concrete URL syntax is required.
In addition, the concrete URL syntax MUST be IANA registered or be
qualified with a namespace suffix (unsuitable for base template).
Thus, no ABNF for the 'ndps:' URL syntax was added at this time.
Either an authoritative vendor (Novell) will register the URL syntax
or a separate template may augment the base 'printer:' template.
------------------------------------------------------------------------
*** CHANGE LOG
1) Renamed all base attributes of the template, per latest draft of
"Service Templates and service: Schemes";
'type' to 'template-type'
'version' to 'template-version'
'description' to 'template-description'
'url-syntax' to 'template-url-syntax'
2) Changed 'template-version' to '0.2' (from '0.1' in March 1998 spec).
3) Deleted 'language = en' from template body, per latest draft of
"Service Templates and service: Schemes";
4) Renamed 'ippurl' ABNF element to 'ipp10url' (IPP/1.0) to allow
other IPP URL syntaxes in the future, per request of Bob Herriot,
editor of "IPP Transport and Encoding" [9].
5) Changed 'ipp10url' source reference to protocol spec, "IPP Transport
and Encoding" [9], rather than (incorrect) "IPP Model" [3].
6) Added a comment to each attribute, w/ the source attribute name in
IPP (base document) or Printer MIB (RFC 1759).
7) Replaced remaining few Salutation attributes with IPP/1.0 ones,
per agreement on IPP WG mailing list in January 1999.
8) Revised attribute names for alignment with IPP/1.0 ones,
per agreement on IPP WG mailing list in January 1999.
9) Revised attribute descriptions for alignment with IPP/1.0 ones,
per agreement on IPP WG mailing list in January 1999.
10) Revised most attributes to OPTIONAL and added default values,
per agreement on IPP WG mailing list in January 1999.
------------------------------------------------------------------------
*** Corrected References (for future full Internet-Draft)
[3]--change date to November 1998 (latest draft)
[4]--change date to November 1998 (latest draft)
------------------------------------------------------------------------
*** Additional References (for future full Internet-Draft)
[9]R. Herriot, S. Butler, P. Moore, R. Turner,
"IPP/1.0: Encoding and Transport", Work in progress, November 1998
[10]"Information Technology - Document Printing Application (DPA)",
ISO/IEC 10175, June 1996.
[11]IANA Registry of Internet Media Types (also called MIME types):
ftp://ftp.isi.edu/in-notes/iana/assignments/media-types
[12]H. Alvestrand,
"IETF Policy on Character Sets and Languages", RFC 2277, January 1998.
------------------------------------------------------------------------
* Template prefix begins here
Name of submitter: "Ira McDonald" <imcdonal@sdsp.mc.xerox.com>
Language of service template: en
Security Considerations:
By describing the security methods associated with each supported
printer URL via the mandatory attributes 'printer-uri-supported'
and 'uri-security-supported', the printer may expose information
userful to attackers.
Template Text:
-------------------- template begins here --------------------
template-type = printer
template-version = 0.2
template-description =
The printer service template describes the attributes
supported by network printing devices. Devices may be
either directly connected to a network or managed by a
print server. The device or server understands a network
network print protocols such as IPP or LPR.
template-url-syntax =
url-path = ipp10url / lprurl
ipp10url = IPP/1.0 url as defined in [9]
lprurl = "lpr://" hostport [ "/" qname ]
hostport = host [ ":" port ]
host = hostname / hostnumber
hostname = *( domainlavel "." ) toplabel
domainlabel = alphanum /
alphanum * [alphanum / "-"] alphanum
toplabel = alpha / alpha * [alphanum / "-"] alphanum
hostnumber = ipv4-number / ipv6-number
ipv4-number = 1*3digit 3*3("." 1*3digit)
ipv6-number = 32*hex
3digit = digit digit digit
port = 1*digit
alphanum = alpha / digit
alpha = "a" / "b" / "c" / "d" / "e" / "f" / "g" /
"h" / "i" / "j" / "k" / "l" / "m" / "n" /
"o" / "p" / "q" / "r" / "s" / "t" / "u" /
"v" / "w" / "x" / "y" / "z" /
"A" / "B" / "C" / "D" / "E" / "F" / "G" /
"H" / "I" / "J" / "K" / "L" / "M" / "N" /
"O" / "P" / "Q" / "R" / "S" / "T" / "U" /
"V" / "W" / "X" / "Y" / "Z"
digit = "0" / "1" / "2" / "3" / "4" / "5" / "6" /
"7" / "8" / "9"
printer-uri-supported = STRING L
# MANDATORY for all registrations by conforming SAs
# IPP 'printer-uri-supported'
# The ORDERED list of URI supported by this printer,
# correlated with the 'uri-security-supported' attribute,
# with each member delimited by '>', for example:
# 'http://foo.com> https://bar.com'
uri-security-supported = STRING L
# MANDATORY for all registrations by conforming SAs
# IPP 'uri-security-supported'
# The ORDERED list of security supported for each URI
# listed in 'printer-uri-supported' for this printer,
# with each member delimited by '>', for example:
# 'none> ssl3'
# (see example of 'printer-uri-supported' above)
# URIs that do not support security shall specify 'none'.
# Legal values are 'none', 'ssl3', and 'tls' [9].
printer-name = STRING
# MANDATORY for all registrations by conforming SAs
# IPP 'printer-name'
# This attribute contains the name of this printer,
# in the locale specified by 'natural-language-configured'.
# 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 (which conforms to RFC 2396).
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
printer-location = STRING O
unknown
# IPP 'printer-location'
# This attribute contains the location of this printer,
# in the locale specified by 'natural-language-configured'.
# A free form description of this printer's physical
# location. For example: '2nd floor, near the fire escape'
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
printer-info = STRING O
unknown
# IPP 'printer-info'
# This attribute contains descriptive info on this printer,
# in the locale specified by 'natural-language-configured'.
# A free form string that may contain any site-specific
# descriptive information about this printer.
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
printer-more-info = STRING L O
unknown
# IPP 'printer-more-info'
# A URI used to obtain more information about this specific
# printer. For example, this could be an 'http:' URI
# referencing an HTML page accessible to a Web Browser.
# The information obtained from this URI is intended for
# end user consumption.
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
printer-make-and-model = STRING O
unknown
# IPP 'printer-make-and-model'
# This attribute contains the make & model of this printer,
# in the locale specified by 'natural-language-configured'.
# A simple text string defined by the manufacturer.
# It should provide the name of the vendor and the model
# name or number.
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
printer-current-operator = STRING M O
unknown
# Printer MIB 'prtGeneralCurrentOperator'
# The name of the current human operator responsible for
# operating this printer. It is suggested that this string
# include information that would enable other humans to
# reach the operator, such as a phone number.
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
printer-service-person = STRING M O
unknown
# Printer MIB 'prtGeneralServicePerson'
# The name of the current service person responsible for
# servicing this printer. It is suggested that this string
# include information that would enable other humans to
# reach the service person, such as a phone number.
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
natural-language-configured = STRING L
# MANDATORY for all registrations by conforming SAs
# IPP 'natural-language-configured'
# The configured language in which error and status messages
# will be generated (by default) by this printer,
# for example en-US, fr-FR, etc.
# Also, the language in which printer string attributes are
# set by operator or system administrator or manufacturer,
# such as IPP 'printer-[name|info|location|make-and-model]'.
# Legal values of language tags conform to RFC 1766
# 'Tags for the Identification of Languages' [5].
natural-language-supported = STRING L M
# MANDATORY for all registrations by conforming SAs
# IPP 'generated-natural-language-supported'
# The possible languages in which error and status messages
# may be generated (if requested) by this printer,
# for example en-US, fr-FR, etc.
# Also, the languages in which printer string attributes are
# set by operator or system administrator or manufacturer,
# such as IPP 'printer-[name|info|location|make-and-model]'.
# Legal values of language tags conform to RFC 1766
# 'Tags for the Identification of Languages' [5].
charset-configured = STRING L O
utf-8
# IPP 'charset-configured'
# The configured charset in which error and status messages
# will be generated (by default) by this printer,
# for example UTF-8, Shift-JIS, or ISO-8859-1 (Latin1).
# Also, the charset in which printer string attributes are
# set by operator or system administrator or manufacturer,
# such as IPP 'printer-[name|info|location|make-and-model]'.
# Legal values of charset tags (names/aliases) come from
# the IANA Registry of Coded Character Sets [6].
# The name or alias labeled '(preferred MIME name)' shall
# always be used to identify a given charset.
charset-supported = STRING L M O
utf-8
# IPP 'charset-supported'
# The possible charsets in which error and status messages
# may be generated (if requested) by this printer,
# for example UTF-8, Shift-JIS, or ISO-8859-1 (Latin1).
# Also, the charsets in which printer string attributes are
# set by operator or system administrator or manufacturer,
# such as IPP 'printer-[name|info|location|make-and-model]'.
# Legal values of charset tags (names/aliases) come from
# the IANA Registry of Coded Character Sets [6].
# The name or alias labeled '(preferred MIME name)' shall
# always be used to identify a given charset.
# This attribute shall always include the value 'utf-8', per
# RFC 2277, 'IETF Policy on Charsets and Languages' [12].
document-format-supported = STRING L M
# MANDATORY for all registrations by conforming SAs
# IPP 'document-format-supported'
# The possible document formats in which data may be
# interpreted and printed by this printer.
# Legal values of document formats (MIME types) come from
# the IANA Registry of Internet Media Types [11].
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
color-supported = STRING L O
unknown
# IPP 'color-supported'
# Indicates whether this printer is capable of any type of
# color printing at all, including highlight color.
# This template attribute is an extended boolean.
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
unknown, true, false
finishings-supported = STRING L M O
none
# IPP 'finishings-supported'
# The possible finishing operations supported by this
# printer.
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'none'.
none, staple, punch, cover, bind
number-up-supported = INTEGER M O
1
# IPP 'number-up-supported'
# The possible numbers of print-stream pages to impose
# upon a single side of an instance of a selected
# medium.
# Legal values include 1, 2, and 4.
# If this printer information is not known to the SA,
# then this attribute shall always be set to '1'.
sides-supported = STRING L M O
one-sided
# IPP 'sides-supported'
# (Compare with Salutation 'duplex-mode')
# The number of impression sides (one or two) and the
# two-sided impression rotations supported by this printer.
# Salutation 'simplex' == IPP 'one-sided'
# Salutation 'duplex' == IPP 'two-sided-long-edge'
# Salutation 'tumble' == IPP 'two-sided-short-edge'
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'one-sided'.
one-sided, two-sided-long-edge, two-sided-short-edge
media-supported = STRING L M O
unknown
# IPP 'media-supported' - only the standard keyword values
# The standard names/types/sizes (and optional color
# suffixes) of the media supported by this printer.
# The values specified are NOT localized according to the
# value of 'natural-language-configured', but are in a
# fixed locale of 'en-US' (US English). For example
# 'iso-a4' or 'envelope' or 'na-letter-white'.
# Legal values of this attribute conform to ISO 10175
# 'Document Printing Application (DPA)' [10],
# plus any IANA registered extensions, per [3].
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
media-local-supported = STRING M O
unknown
# IPP 'media-supported' - only site-specific name values
# Site-specific names of media supported by this printer,
# in the locale specified by 'natural-language-configured'.
# For example 'purchasing-form' (site-specific name)
# as opposed to 'na-letter' (standard keyword from [10]).
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
printer-resolution-supported = STRING L M O
unknown
# IPP 'printer-resolution-supported'
# (Compare with 'printer-uri-supported' in this template)
# The unordered list of resolutions supported for printing
# documents by this printer.
# Each resolution supported is a string with 3 elements:
# 1) Crossfeed direction resolution (positive integer)
# 2) Feed direction resolution (positive integer)
# 3) Resolution unit (enumerated value - see below)
# Each resolution element is delimited by '>', for example:
# '300> 300> dpi>, 600> 600> dpi>'
# Legal values of resolution unit are 'dpi' (dots per inch)
# and 'dpcm' (dots per centimeter).
# These values are derived from the Printer MIB [6].
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
copies-supported = INTEGER O
-1
# IPP 'copies-supported'
# The maximum number of copies of a document
# that may be printed as a single job.
# A value of -1 indicates unknown.
# If this printer information is not known to the SA,
# then this attribute shall always be set to '-1'.
job-k-octets-supported = INTEGER O
-1
# IPP 'job-k-octets-supported'
# The maximum size, in kilobytes, of a print job that
# this printer will accept.
# A value of -1 indicates unknown.
# If this printer information is not known to the SA,
# then this attribute shall always be set to '-1'.
pages-per-minute = INTEGER O
-1
# IPP 'pages-per-minute'
# The nominal number of pages per minute which may be
# output by this printer (e.g., simplex, black-and-white).
# This attribute is informative, NOT a service guarantee.
# Typically, it is the value used in marketing literature
# to describe this printer.
# A value of -1 indicates unknown.
# If this printer information is not known to the SA,
# then this attribute shall always be set to '-1'.
pages-per-minute-color = INTEGER O
-1
# IPP 'pages-per-minute-color'
# The nominal number of color pages per minute which may be
# output by this printer (e.g., simplex, color).
# This attribute is informative, NOT a service guarantee.
# Typically, it is the value used in marketing literature
# to describe this printer.
# A value of -1 indicates unknown.
# If this printer information is not known to the SA,
# then this attribute shall always be set to '-1'.
delivery-orientation-supported = STRING L O
unknown
# Printer MIB 'prtOutputPageDeliveryOrientation'
# The possible delivery orientations of pages as they are
# printed and ejected from this printer.
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
unknown, face-up, face-down
job-priority-supported = STRING L O
unknown
# IPP 'job-priority-supported'
# (Compare with Salutation 'priority-levels-supported')
# Indicates whether job priority scheduling is supported.
# An IPP conformant printer which supports job priority
# must always support a full range of priorities from
# '1' to '100' (to ensure consistent behavior), therefore
# this template attribute is an extended boolean.
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
unknown, true, false
multiple-document-handling-supported = STRING L M O
unknown
# IPP 'multiple-document-handling'
# (Compare with Salutation 'paper-output')
# This attribute is only relevant if a job consists of two
# or more documents. The attribute relates to finishing
# operations and the placement of one or more print-stream
# pages into impressions and onto media sheets.
# Please refer to 'multiple-document-handling' in the
# 'IPP/1.0 Model and Semantics' [3] for full details.
# If this printer information is not known to the SA,
# then this attribute shall always be set to 'unknown'.
unknown,
single-document,
separate-documents-uncollated-copies,
separate-documents-collated-copies,
single-document-new-sheet
-------------------- template ends here ----------------------