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make things clearer about the grammar

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Aaron Kaplan 2013-12-25 19:38:31 +01:00
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70
i-d/pdns-qof.txt
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@ -74,15 +74,14 @@ Table of Contents
3.2. Example . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.3. ABNF grammar . . . . . . . . . . . . . . . . . . . . . . . 4
3.4. Mandatory Fields . . . . . . . . . . . . . . . . . . . . . 4
3.4.1. General remarks on mandatory fields . . . . . . . . . . 5
3.4.2. rrname . . . . . . . . . . . . . . . . . . . . . . . . 5
3.4.3. rrtype . . . . . . . . . . . . . . . . . . . . . . . . 5
3.4.4. rdata . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.4.5. time_first . . . . . . . . . . . . . . . . . . . . . . 5
3.4.6. time_last . . . . . . . . . . . . . . . . . . . . . . . 5
3.4.1. rrname . . . . . . . . . . . . . . . . . . . . . . . . 5
3.4.2. rrtype . . . . . . . . . . . . . . . . . . . . . . . . 5
3.4.3. rdata . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.4.4. time_first . . . . . . . . . . . . . . . . . . . . . . 5
3.4.5. time_last . . . . . . . . . . . . . . . . . . . . . . . 5
3.5. Optional Fields . . . . . . . . . . . . . . . . . . . . . . 6
3.5.1. count . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.5.2. Bailiwick . . . . . . . . . . . . . . . . . . . . . . . 6
3.5.2. bailiwick . . . . . . . . . . . . . . . . . . . . . . . 6
3.6. Additional Fields . . . . . . . . . . . . . . . . . . . . . 6
3.6.1. sensor_id . . . . . . . . . . . . . . . . . . . . . . . 6
3.6.2. zone_time_first . . . . . . . . . . . . . . . . . . . . 6
@ -108,6 +107,7 @@ Table of Contents
Dulaunoy, et al. Expires June 28, 2014 [Page 2]
Internet-Draft Passive DNS - Common Output Format December 2013
@ -195,20 +195,23 @@ Internet-Draft Passive DNS - Common Output Format December 2013
3.3. ABNF grammar
ABNF:
Formal grammar as defined in ABNF [RFC2234]
answer = elements
elements = * ( element CR)
element = "{" keyvallist "}"
keyvallist = JSONobject
JSONobject = [ member *( value-separator member ) ]
member = string name-separator value
name-separator = ws %x3A ws ; : colon
value = value ; as defined in the JSON RFC
answer = entries
entries = * ( entry CR)
entry = "{" keyvallist "}"
keyvallist = [ member *( value-separator member ) ]
member = field name-separator value
name-separator = ws %x3A ws ; : colon
value = value ; as defined in the JSON RFC
field = "rrame" | "rrtype" | "rdata" | "time_first" |
"time_last" | "count" | "bailiwick" | "sensor_id" |
"zone_time_first" | "zone_time_last" | futureField
futureField = string
CR = %x0D
Note that value is defined in JSON [RFC4627] and has the exact same
specification as there.
specification as there. The same goes for the definition of string.
3.4. Mandatory Fields
@ -217,26 +220,23 @@ Internet-Draft Passive DNS - Common Output Format December 2013
Dulaunoy, et al. Expires June 28, 2014 [Page 4]
Internet-Draft Passive DNS - Common Output Format December 2013
3.4.1. General remarks on mandatory fields
Uniqueness property: the tuple (rrname,rrtype,rdata) will always be
unique within one answer per server. While rrname and rrtype are
always individual JSON primitive types (strings, numbers, booleans or
null), rdata MAY be an array as defined in JSON [RFC4627]
null), rdata MAY be an array as defined in JSON [RFC4627].
Implementors of this draft MUST be able to deal with rdata being
returned as JSON array or alternatively as a JSON string.
3.4.2. rrname
3.4.1. rrname
This field returns the name of the queried resource.
3.4.3. rrtype
3.4.2. rrtype
This field returns the resource record type as seen by the passive
DNS. The key is rrtype and the value is in the interpreted record
@ -251,7 +251,7 @@ Internet-Draft Passive DNS - Common Output Format December 2013
addition, a client MUST be able to handle a decimal value (as
mentioned above) as answer.
3.4.4. rdata
3.4.3. rdata
This field returns the data of the queried resource. In general,
this is to be interpreted as string. Depending on the rtype, this
@ -262,14 +262,14 @@ Internet-Draft Passive DNS - Common Output Format December 2013
unknown DNS resource records, the server must follow the transparency
principle as described in RFC 3597 [RFC3597].
3.4.5. time_first
3.4.4. time_first
This field returns the first time that the record / unique tuple
(rrname, rrtype, rdata) has been seen by the passive DNS. The date
is expressed in seconds (decimal ASCII) since 1st of January 1970
(Unix timestamp). The time zone MUST be UTC.
3.4.6. time_last
3.4.5. time_last
This field returns the last time that the unique tuple (rrname,
rrtype, rdata) record has been seen by the passive DNS. The date is
@ -298,7 +298,7 @@ Internet-Draft Passive DNS - Common Output Format December 2013
other type fields has been seen in the given time interval (between
time_last and time_first). Decimal number.
3.5.2. Bailiwick
3.5.2. bailiwick
The bailiwick is the best estimate of the apex of the zone where this
data is authoritative. String.
@ -376,15 +376,15 @@ Internet-Draft Passive DNS - Common Output Format December 2013
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997.
[RFC2234] Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax
Specifications: ABNF", RFC 2234, November 1997.
[RFC3597] Gustafsson, A., "Handling of Unknown DNS Resource Record
(RR) Types", RFC 3597, September 2003.
[RFC3912] Daigle, L., "WHOIS Protocol Specification", RFC 3912,
September 2004.
[RFC4627] Crockford, D., "The application/json Media Type for
JavaScript Object Notation (JSON)", RFC 4627, July 2006.
@ -393,6 +393,9 @@ Dulaunoy, et al. Expires June 28, 2014 [Page 7]
Internet-Draft Passive DNS - Common Output Format December 2013
[RFC4627] Crockford, D., "The application/json Media Type for
JavaScript Object Notation (JSON)", RFC 4627, July 2006.
[RFC5001] Austein, R., "DNS Name Server Identifier (NSID) Option",
RFC 5001, August 2007.
@ -441,9 +444,6 @@ Internet-Draft Passive DNS - Common Output Format December 2013
Dulaunoy, et al. Expires June 28, 2014 [Page 8]
Internet-Draft Passive DNS - Common Output Format December 2013

33
i-d/pdns-qof.xml
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@ -16,6 +16,7 @@
<!ENTITY RFC3597 SYSTEM "http://xml.resource.org/public/rfc/bibxml/reference.RFC.3597.xml">
<!ENTITY RFC3912 SYSTEM "http://xml.resource.org/public/rfc/bibxml/reference.RFC.3912.xml">
<!ENTITY RFC6648 SYSTEM "http://xml.resource.org/public/rfc/bibxml/reference.RFC.6648.xml">
<!ENTITY RFC2234 SYSTEM "http://xml.resource.org/public/rfc/bibxml/reference.RFC.2234.xml">
<!ENTITY I-D.narten-iana-considerations-rfc2434bis SYSTEM "http://xml.resource.org/public/rfc/bibxml3/reference.I-D.narten-iana-considerations-rfc2434bis.xml">
]>
@ -180,24 +181,25 @@ The document does not describe the protocol (e.g. <xref target="RFC3912">WHOIS</
]]></artwork></figure>
</section>
<section title="ABNF grammar">
<figure><preamble>ABNF:</preamble><artwork><![CDATA[
answer = elements
elements = * ( element CR)
element = "{" keyvallist "}"
keyvallist = JSONobject
JSONobject = [ member *( value-separator member ) ]
member = string name-separator value
name-separator = ws %x3A ws ; : colon
value = value ; as defined in the JSON RFC
<figure><preamble>Formal grammar as defined in <xref target="RFC2234">ABNF</xref></preamble><artwork><![CDATA[
answer = entries
entries = * ( entry CR)
entry = "{" keyvallist "}"
keyvallist = [ member *( value-separator member ) ]
member = field name-separator value
name-separator = ws %x3A ws ; : colon
value = value ; as defined in the JSON RFC
field = "rrame" | "rrtype" | "rdata" | "time_first" |
"time_last" | "count" | "bailiwick" | "sensor_id" |
"zone_time_first" | "zone_time_last" | futureField
futureField = string
CR = %x0D
]]></artwork></figure>
<t>Note that value is defined in <xref target="RFC4627">JSON</xref> and has the exact same specification as there.</t>
<t>Note that value is defined in <xref target="RFC4627">JSON</xref> and has the exact same specification as there. The same goes for the definition of string.</t>
</section>
<section title="Mandatory Fields">
<t>Implementation MUST support all the mandatory fields.</t>
<section title="General remarks on mandatory fields">
<t>Uniqueness property: the tuple (rrname,rrtype,rdata) will always be unique within one answer per server. While rrname and rrtype are always individual JSON primitive types (strings, numbers, booleans or null), rdata MAY be an array as defined in <xref target="RFC4627">JSON</xref></t>
</section>
<t>Implementation MUST support all the mandatory fields.</t>
<t>Uniqueness property: the tuple (rrname,rrtype,rdata) will always be unique within one answer per server. While rrname and rrtype are always individual JSON primitive types (strings, numbers, booleans or null), rdata MAY be an array as defined in <xref target="RFC4627">JSON</xref>. Implementors of this draft MUST be able to deal with rdata being returned as JSON array or alternatively as a JSON string. <!-- MOTE: this is not good --></t>
<section title="rrname">
<t>This field returns the name of the queried resource.</t>
</section>
@ -226,7 +228,7 @@ CR = %x0D
<t>Specifies how many authoritative DNS answers were received at the Passive DNS Server's collectors with the set of answers (i.e. same data). The number of requests is expressed as a decimal value.</t>
<t>Specifies the number of times this particular event denoted by the other type fields has been seen in the given time interval (between time_last and time_first). Decimal number.</t>
</section>
<section title="Bailiwick">
<section title="bailiwick">
<t>The bailiwick is the best estimate of the apex of the zone where this data is authoritative. String.</t>
</section>
</section>
@ -297,6 +299,7 @@ CR = %x0D
&RFC5001;
&RFC3597;
&RFC6648;
&RFC2234;
</references>
<references>
<reference anchor="WEINERPDNS" target="http://www.enyo.de/fw/software/dnslogger/first2005-paper.pdf">