mirror of
https://git.wownero.com/wownero/wownero.git
synced 2024-12-22 21:38:53 +00:00
263 lines
10 KiB
Protocol Buffer
263 lines
10 KiB
Protocol Buffer
// dnstap: flexible, structured event replication format for DNS software
|
|
//
|
|
// This file contains the protobuf schemas for the "dnstap" structured event
|
|
// replication format for DNS software.
|
|
|
|
// Written in 2013-2014 by Farsight Security, Inc.
|
|
//
|
|
// To the extent possible under law, the author(s) have dedicated all
|
|
// copyright and related and neighboring rights to this file to the public
|
|
// domain worldwide. This file is distributed without any warranty.
|
|
//
|
|
// You should have received a copy of the CC0 Public Domain Dedication along
|
|
// with this file. If not, see:
|
|
//
|
|
// <http://creativecommons.org/publicdomain/zero/1.0/>.
|
|
|
|
package dnstap;
|
|
|
|
// "Dnstap": this is the top-level dnstap type, which is a "union" type that
|
|
// contains other kinds of dnstap payloads, although currently only one type
|
|
// of dnstap payload is defined.
|
|
// See: https://developers.google.com/protocol-buffers/docs/techniques#union
|
|
message Dnstap {
|
|
// DNS server identity.
|
|
// If enabled, this is the identity string of the DNS server which generated
|
|
// this message. Typically this would be the same string as returned by an
|
|
// "NSID" (RFC 5001) query.
|
|
optional bytes identity = 1;
|
|
|
|
// DNS server version.
|
|
// If enabled, this is the version string of the DNS server which generated
|
|
// this message. Typically this would be the same string as returned by a
|
|
// "version.bind" query.
|
|
optional bytes version = 2;
|
|
|
|
// Extra data for this payload.
|
|
// This field can be used for adding an arbitrary byte-string annotation to
|
|
// the payload. No encoding or interpretation is applied or enforced.
|
|
optional bytes extra = 3;
|
|
|
|
// Identifies which field below is filled in.
|
|
enum Type {
|
|
MESSAGE = 1;
|
|
}
|
|
required Type type = 15;
|
|
|
|
// One of the following will be filled in.
|
|
optional Message message = 14;
|
|
}
|
|
|
|
// SocketFamily: the network protocol family of a socket. This specifies how
|
|
// to interpret "network address" fields.
|
|
enum SocketFamily {
|
|
INET = 1; // IPv4 (RFC 791)
|
|
INET6 = 2; // IPv6 (RFC 2460)
|
|
}
|
|
|
|
// SocketProtocol: the transport protocol of a socket. This specifies how to
|
|
// interpret "transport port" fields.
|
|
enum SocketProtocol {
|
|
UDP = 1; // User Datagram Protocol (RFC 768)
|
|
TCP = 2; // Transmission Control Protocol (RFC 793)
|
|
}
|
|
|
|
// Message: a wire-format (RFC 1035 section 4) DNS message and associated
|
|
// metadata. Applications generating "Message" payloads should follow
|
|
// certain requirements based on the MessageType, see below.
|
|
message Message {
|
|
|
|
// There are eight types of "Message" defined that correspond to the
|
|
// four arrows in the following diagram, slightly modified from RFC 1035
|
|
// section 2:
|
|
|
|
// +---------+ +----------+ +--------+
|
|
// | | query | | query | |
|
|
// | Stub |-SQ--------CQ->| Recursive|-RQ----AQ->| Auth. |
|
|
// | Resolver| | Server | | Name |
|
|
// | |<-SR--------CR-| |<-RR----AR-| Server |
|
|
// +---------+ response | | response | |
|
|
// +----------+ +--------+
|
|
|
|
// Each arrow has two Type values each, one for each "end" of each arrow,
|
|
// because these are considered to be distinct events. Each end of each
|
|
// arrow on the diagram above has been marked with a two-letter Type
|
|
// mnemonic. Clockwise from upper left, these mnemonic values are:
|
|
//
|
|
// SQ: STUB_QUERY
|
|
// CQ: CLIENT_QUERY
|
|
// RQ: RESOLVER_QUERY
|
|
// AQ: AUTH_QUERY
|
|
// AR: AUTH_RESPONSE
|
|
// RR: RESOLVER_RESPONSE
|
|
// CR: CLIENT_RESPONSE
|
|
// SR: STUB_RESPONSE
|
|
|
|
// Two additional types of "Message" have been defined for the
|
|
// "forwarding" case where an upstream DNS server is responsible for
|
|
// further recursion. These are not shown on the diagram above, but have
|
|
// the following mnemonic values:
|
|
|
|
// FQ: FORWARDER_QUERY
|
|
// FR: FORWARDER_RESPONSE
|
|
|
|
// The "Message" Type values are defined below.
|
|
|
|
enum Type {
|
|
// AUTH_QUERY is a DNS query message received from a resolver by an
|
|
// authoritative name server, from the perspective of the authorative
|
|
// name server.
|
|
AUTH_QUERY = 1;
|
|
|
|
// AUTH_RESPONSE is a DNS response message sent from an authoritative
|
|
// name server to a resolver, from the perspective of the authoritative
|
|
// name server.
|
|
AUTH_RESPONSE = 2;
|
|
|
|
// RESOLVER_QUERY is a DNS query message sent from a resolver to an
|
|
// authoritative name server, from the perspective of the resolver.
|
|
// Resolvers typically clear the RD (recursion desired) bit when
|
|
// sending queries.
|
|
RESOLVER_QUERY = 3;
|
|
|
|
// RESOLVER_RESPONSE is a DNS response message received from an
|
|
// authoritative name server by a resolver, from the perspective of
|
|
// the resolver.
|
|
RESOLVER_RESPONSE = 4;
|
|
|
|
// CLIENT_QUERY is a DNS query message sent from a client to a DNS
|
|
// server which is expected to perform further recursion, from the
|
|
// perspective of the DNS server. The client may be a stub resolver or
|
|
// forwarder or some other type of software which typically sets the RD
|
|
// (recursion desired) bit when querying the DNS server. The DNS server
|
|
// may be a simple forwarding proxy or it may be a full recursive
|
|
// resolver.
|
|
CLIENT_QUERY = 5;
|
|
|
|
// CLIENT_RESPONSE is a DNS response message sent from a DNS server to
|
|
// a client, from the perspective of the DNS server. The DNS server
|
|
// typically sets the RA (recursion available) bit when responding.
|
|
CLIENT_RESPONSE = 6;
|
|
|
|
// FORWARDER_QUERY is a DNS query message sent from a downstream DNS
|
|
// server to an upstream DNS server which is expected to perform
|
|
// further recursion, from the perspective of the downstream DNS
|
|
// server.
|
|
FORWARDER_QUERY = 7;
|
|
|
|
// FORWARDER_RESPONSE is a DNS response message sent from an upstream
|
|
// DNS server performing recursion to a downstream DNS server, from the
|
|
// perspective of the downstream DNS server.
|
|
FORWARDER_RESPONSE = 8;
|
|
|
|
// STUB_QUERY is a DNS query message sent from a stub resolver to a DNS
|
|
// server, from the perspective of the stub resolver.
|
|
STUB_QUERY = 9;
|
|
|
|
// STUB_RESPONSE is a DNS response message sent from a DNS server to a
|
|
// stub resolver, from the perspective of the stub resolver.
|
|
STUB_RESPONSE = 10;
|
|
}
|
|
|
|
// One of the Type values described above.
|
|
required Type type = 1;
|
|
|
|
// One of the SocketFamily values described above.
|
|
optional SocketFamily socket_family = 2;
|
|
|
|
// One of the SocketProtocol values described above.
|
|
optional SocketProtocol socket_protocol = 3;
|
|
|
|
// The network address of the message initiator.
|
|
// For SocketFamily INET, this field is 4 octets (IPv4 address).
|
|
// For SocketFamily INET6, this field is 16 octets (IPv6 address).
|
|
optional bytes query_address = 4;
|
|
|
|
// The network address of the message responder.
|
|
// For SocketFamily INET, this field is 4 octets (IPv4 address).
|
|
// For SocketFamily INET6, this field is 16 octets (IPv6 address).
|
|
optional bytes response_address = 5;
|
|
|
|
// The transport port of the message initiator.
|
|
// This is a 16-bit UDP or TCP port number, depending on SocketProtocol.
|
|
optional uint32 query_port = 6;
|
|
|
|
// The transport port of the message responder.
|
|
// This is a 16-bit UDP or TCP port number, depending on SocketProtocol.
|
|
optional uint32 response_port = 7;
|
|
|
|
// The time at which the DNS query message was sent or received, depending
|
|
// on whether this is an AUTH_QUERY, RESOLVER_QUERY, or CLIENT_QUERY.
|
|
// This is the number of seconds since the UNIX epoch.
|
|
optional uint64 query_time_sec = 8;
|
|
|
|
// The time at which the DNS query message was sent or received.
|
|
// This is the seconds fraction, expressed as a count of nanoseconds.
|
|
optional fixed32 query_time_nsec = 9;
|
|
|
|
// The initiator's original wire-format DNS query message, verbatim.
|
|
optional bytes query_message = 10;
|
|
|
|
// The "zone" or "bailiwick" pertaining to the DNS query message.
|
|
// This is a wire-format DNS domain name.
|
|
optional bytes query_zone = 11;
|
|
|
|
// The time at which the DNS response message was sent or received,
|
|
// depending on whether this is an AUTH_RESPONSE, RESOLVER_RESPONSE, or
|
|
// CLIENT_RESPONSE.
|
|
// This is the number of seconds since the UNIX epoch.
|
|
optional uint64 response_time_sec = 12;
|
|
|
|
// The time at which the DNS response message was sent or received.
|
|
// This is the seconds fraction, expressed as a count of nanoseconds.
|
|
optional fixed32 response_time_nsec = 13;
|
|
|
|
// The responder's original wire-format DNS response message, verbatim.
|
|
optional bytes response_message = 14;
|
|
}
|
|
|
|
// All fields except for 'type' in the Message schema are optional.
|
|
// It is recommended that at least the following fields be filled in for
|
|
// particular types of Messages.
|
|
|
|
// AUTH_QUERY:
|
|
// socket_family, socket_protocol
|
|
// query_address, query_port
|
|
// query_message
|
|
// query_time_sec, query_time_nsec
|
|
|
|
// AUTH_RESPONSE:
|
|
// socket_family, socket_protocol
|
|
// query_address, query_port
|
|
// query_time_sec, query_time_nsec
|
|
// response_message
|
|
// response_time_sec, response_time_nsec
|
|
|
|
// RESOLVER_QUERY:
|
|
// socket_family, socket_protocol
|
|
// query_name, query_type, query_class
|
|
// query_message
|
|
// query_time_sec, query_time_nsec
|
|
// query_zone
|
|
// response_address, response_port
|
|
|
|
// RESOLVER_RESPONSE:
|
|
// socket_family, socket_protocol
|
|
// query_name, query_type, query_class
|
|
// query_time_sec, query_time_nsec
|
|
// query_zone
|
|
// response_address, response_port
|
|
// response_message
|
|
// response_time_sec, response_time_nsec
|
|
|
|
// CLIENT_QUERY:
|
|
// socket_family, socket_protocol
|
|
// query_message
|
|
// query_time_sec, query_time_nsec
|
|
|
|
// CLIENT_RESPONSE:
|
|
// socket_family, socket_protocol
|
|
// query_time_sec, query_time_nsec
|
|
// response_message
|
|
// response_time_sec, response_time_nsec
|