184 lines
10 KiB
Protocol Buffer
184 lines
10 KiB
Protocol Buffer
/*
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* This file describes the message format used by the protobuf logging feature in PowerDNS and dnsdist.
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*
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* MIT License
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*
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* Copyright (c) 2016-now PowerDNS.COM B.V. and its contributors.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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syntax = "proto2";
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message PBDNSMessage {
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enum Type {
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DNSQueryType = 1; // Query received by the service
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DNSResponseType = 2; // Response returned by the service
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DNSOutgoingQueryType = 3; // Query sent out by the service to a remote server
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DNSIncomingResponseType = 4; // Response returned by the remote server
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}
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enum SocketFamily {
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INET = 1; // IPv4 (RFC 791)
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INET6 = 2; // IPv6 (RFC 2460)
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}
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enum SocketProtocol {
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UDP = 1; // User Datagram Protocol (RFC 768)
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TCP = 2; // Transmission Control Protocol (RFC 793)
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DOT = 3; // DNS over TLS (RFC 7858)
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DOH = 4; // DNS over HTTPS (RFC 8484)
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DNSCryptUDP = 5; // DNSCrypt over UDP (https://dnscrypt.info/protocol)
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DNSCryptTCP = 6; // DNSCrypt over TCP (https://dnscrypt.info/protocol)
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}
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enum PolicyType {
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UNKNOWN = 1; // No RPZ policy applied, or unknown type
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QNAME = 2; // Policy matched on the QName
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CLIENTIP = 3; // Policy matched on the client IP
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RESPONSEIP = 4; // Policy matched on one of the IPs contained in the answer
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NSDNAME = 5; // Policy matched on the name of one nameserver involved
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NSIP = 6; // Policy matched on the IP of one nameserver involved
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}
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enum PolicyKind {
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NoAction = 1; // No action taken
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Drop = 2; // https://tools.ietf.org/html/draft-vixie-dns-rpz-04 3.4
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NXDOMAIN = 3; // https://tools.ietf.org/html/draft-vixie-dns-rpz-04 3.1
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NODATA = 4; // https://tools.ietf.org/html/draft-vixie-dns-rpz-04 3.2
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Truncate= 5; // https://tools.ietf.org/html/draft-vixie-dns-rpz-04 3.5
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Custom = 6; // https://tools.ietf.org/html/draft-vixie-dns-rpz-04 3.6
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}
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enum VState {
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Indeterminate = 1;
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Insecure = 2;
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Secure = 3;
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BogusNoValidDNSKEY = 4;
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BogusInvalidDenial = 5;
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BogusUnableToGetDSs = 6;
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BogusUnableToGetDNSKEYs = 7;
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BogusSelfSignedDS = 8;
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BogusNoRRSIG = 9;
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BogusNoValidRRSIG = 10;
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BogusMissingNegativeIndication = 11;
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BogusSignatureNotYetValid = 12;
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BogusSignatureExpired = 13;
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BogusUnsupportedDNSKEYAlgo = 14;
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BogusUnsupportedDSDigestType = 15;
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BogusNoZoneKeyBitSet = 16;
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BogusRevokedDNSKEY = 17;
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BogusInvalidDNSKEYProtocol = 18;
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}
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required Type type = 1; // Type of event
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optional bytes messageId = 2; // UUID, shared by the query and the response
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optional bytes serverIdentity = 3; // ID of the server emitting the protobuf message
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optional SocketFamily socketFamily = 4;
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optional SocketProtocol socketProtocol = 5;
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optional bytes from = 6; // DNS requestor (client) as 4 (IPv4) or 16 (IPv6) raw bytes in network byte order
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optional bytes to = 7; // DNS responder (server) as 4 (IPv4) or 16 (IPv6) raw bytes in network byte order
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optional uint64 inBytes = 8; // Size of the query or response on the wire
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optional uint32 timeSec = 9; // Time of message reception (seconds since epoch)
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optional uint32 timeUsec = 10; // Time of message reception (additional micro-seconds)
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optional uint32 id = 11; // ID of the query/response as found in the DNS header
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message DNSQuestion {
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optional string qName = 1; // Fully qualified DNS name (with trailing dot)
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optional uint32 qType = 2; // https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-4
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optional uint32 qClass = 3; // Typically 1 (IN), see https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-2
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}
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optional DNSQuestion question = 12; // DNS query received from client
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message DNSResponse {
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// See exportTypes in https://docs.powerdns.com/recursor/lua-config/protobuf.html#protobufServer
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// for the list of supported resource record types.
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message DNSRR {
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optional string name = 1; // Fully qualified DNS name (with trailing dot)
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optional uint32 type = 2; // https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-4
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optional uint32 class = 3; // Typically 1 (IN), see https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-2
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optional uint32 ttl = 4; // TTL in seconds
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optional bytes rdata = 5; // raw address bytes in network byte order for A & AAAA; text representation for others, with fully qualified (trailing dot) domain names
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optional bool udr = 6; // True if this is the first time this RR has been seen for this question
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}
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optional uint32 rcode = 1; // DNS Response code, or 65536 for a network error including a timeout
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repeated DNSRR rrs = 2; // DNS resource records in response
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optional string appliedPolicy = 3; // Filtering policy (RPZ or Lua) applied
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repeated string tags = 4; // Additional tags applied
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optional uint32 queryTimeSec = 5; // Time of the corresponding query reception (seconds since epoch)
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optional uint32 queryTimeUsec = 6; // Time of the corresponding query reception (additional micro-seconds)
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optional PolicyType appliedPolicyType = 7; // Type of the filtering policy (RPZ or Lua) applied
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optional string appliedPolicyTrigger = 8; // The RPZ trigger
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optional string appliedPolicyHit = 9; // The value (qname or IP) that caused the hit
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optional PolicyKind appliedPolicyKind = 10; // The Kind (RPZ action) applied by the hit
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optional VState validationState = 11; // The DNSSEC Validation State
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}
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optional DNSResponse response = 13;
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optional bytes originalRequestorSubnet = 14; // EDNS Client Subnet value (4 or 16 raw bytes in network byte order)
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optional string requestorId = 15; // Username of the requestor
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optional bytes initialRequestId = 16; // UUID of the incoming query that initiated this outgoing query or incoming response
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optional bytes deviceId = 17; // Device ID of the requestor (could be mac address IP address or e.g. IMEI, format implementation dependent)
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optional bool newlyObservedDomain = 18; // True if the domain has not been seen before
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optional string deviceName = 19; // Device name of the requestor
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optional uint32 fromPort = 20; // Source port of the DNS query (client)
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optional uint32 toPort = 21; // Destination port of the DNS query (server)
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message MetaValue {
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repeated string stringVal = 1;
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repeated int64 intVal = 2;
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}
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message Meta {
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required string key = 1; // MUST be unique, so if you have multiple values they must be aggregated into on Meta
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required MetaValue value = 2;
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}
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repeated Meta meta = 22; // Arbitrary meta-data - to be used in future rather than adding new fields all the time
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// The well known EventTrace event numbers
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enum EventType {
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// Range 0..99: Generic events
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CustomEvent = 0; // A custom event
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ReqRecv = 1; // A request was received
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PCacheCheck = 2; // A packet cache check was initiated or completed; value: bool cacheHit
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AnswerSent = 3; // An answer was sent to the client
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// Range 100: Recursor events
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SyncRes = 100; // Recursor Syncres main function has started or completed; value: int rcode
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LuaGetTag = 101; // Events below mark start or end of Lua hook calls; value: return value of hook
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LuaGetTagFFI = 102;
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LuaIPFilter = 103;
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LuaPreRPZ = 104;
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LuaPreResolve = 105;
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LuaPreOutQuery = 106;
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LuaPostResolve = 107;
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LuaNoData = 108;
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LuaNXDomain = 109;
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LuaPostResolveFFI = 110;
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}
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message Event {
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required int64 ts = 1; // Timestamp in ns relative to time of creation of event trace data structure
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required EventType event = 2; // Type of event
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required bool start = 3; // true for "start" events, false for "completed" events
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optional bool boolVal = 4; // Below are optional values associated with events
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optional int64 intVal = 5;
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optional string stringVal = 6;
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optional bytes bytesVal = 7;
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optional string custom = 8; // The name of the event for custom events
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}
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repeated Event trace = 23;
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}
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message PBDNSMessageList {
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repeated PBDNSMessage msg = 1;
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}
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