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/*
* Author Jerry Lundström <jerry@dns-oarc.net>
* Copyright (c) 2019, OARC, Inc.
* All rights reserved.
*
* This file is part of the dnswire library.
*
* dnswire library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* dnswire library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with dnswire library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <dnswire/dnstap.pb-c.h>
#include <stdint.h>
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#ifndef __dnswire_h_dnstap
#define __dnswire_h_dnstap 1
#define DNSTAP_PROTOBUF_CONTENT_TYPE "protobuf:dnstap.Dnstap"
#define DNSTAP_PROTOBUF_CONTENT_TYPE_LENGTH 22
enum dnstap_type {
DNSTAP_TYPE_UNKNOWN = 0,
DNSTAP_TYPE_MESSAGE = 1,
};
extern const char* const DNSTAP_TYPE_STRING[];
enum dnstap_message_type {
DNSTAP_MESSAGE_TYPE_UNKNOWN = 0,
DNSTAP_MESSAGE_TYPE_AUTH_QUERY = 1,
DNSTAP_MESSAGE_TYPE_AUTH_RESPONSE = 2,
DNSTAP_MESSAGE_TYPE_RESOLVER_QUERY = 3,
DNSTAP_MESSAGE_TYPE_RESOLVER_RESPONSE = 4,
DNSTAP_MESSAGE_TYPE_CLIENT_QUERY = 5,
DNSTAP_MESSAGE_TYPE_CLIENT_RESPONSE = 6,
DNSTAP_MESSAGE_TYPE_FORWARDER_QUERY = 7,
DNSTAP_MESSAGE_TYPE_FORWARDER_RESPONSE = 8,
DNSTAP_MESSAGE_TYPE_STUB_QUERY = 9,
DNSTAP_MESSAGE_TYPE_STUB_RESPONSE = 10,
DNSTAP_MESSAGE_TYPE_TOOL_QUERY = 11,
DNSTAP_MESSAGE_TYPE_TOOL_RESPONSE = 12,
};
extern const char* const DNSTAP_MESSAGE_TYPE_STRING[];
enum dnstap_socket_family {
DNSTAP_SOCKET_FAMILY_UNKNOWN = 0,
DNSTAP_SOCKET_FAMILY_INET = 1,
DNSTAP_SOCKET_FAMILY_INET6 = 2,
};
extern const char* const DNSTAP_SOCKET_FAMILY_STRING[];
enum dnstap_socket_protocol {
DNSTAP_SOCKET_PROTOCOL_UNKNOWN = 0,
DNSTAP_SOCKET_PROTOCOL_UDP = 1,
DNSTAP_SOCKET_PROTOCOL_TCP = 2,
};
extern const char* const DNSTAP_SOCKET_PROTOCOL_STRING[];
struct dnstap {
Dnstap__Dnstap dnstap;
Dnstap__Message message;
Dnstap__Dnstap* unpacked_dnstap;
};
#define DNSTAP_INITIALIZER \
{ \
.dnstap = DNSTAP__DNSTAP__INIT, \
.message = DNSTAP__MESSAGE__INIT, \
.unpacked_dnstap = 0, \
}
#include <dnswire/dnstap-macros.h>
#define dnstap_type(d) (enum dnstap_type)((d).dnstap.type)
#define dnstap_set_type(d, v) \
switch (v) { \
case DNSTAP_TYPE_MESSAGE: \
(d).dnstap.type = (enum _Dnstap__Dnstap__Type)v; \
(d).dnstap.message = &(d).message; \
break; \
default: \
(d).dnstap.type = (enum _Dnstap__Dnstap__Type)DNSTAP_TYPE_UNKNOWN; \
(d).dnstap.message = 0; \
}
#define dnstap_has_message(d) ((d).dnstap.message != 0)
#define dnstap_message_type(d) (enum dnstap_message_type)((d).message.type)
#define dnstap_message_set_type(d, v) \
switch (v) { \
case DNSTAP_MESSAGE_TYPE_AUTH_QUERY: \
case DNSTAP_MESSAGE_TYPE_AUTH_RESPONSE: \
case DNSTAP_MESSAGE_TYPE_RESOLVER_QUERY: \
case DNSTAP_MESSAGE_TYPE_RESOLVER_RESPONSE: \
case DNSTAP_MESSAGE_TYPE_CLIENT_QUERY: \
case DNSTAP_MESSAGE_TYPE_CLIENT_RESPONSE: \
case DNSTAP_MESSAGE_TYPE_FORWARDER_QUERY: \
case DNSTAP_MESSAGE_TYPE_FORWARDER_RESPONSE: \
case DNSTAP_MESSAGE_TYPE_STUB_QUERY: \
case DNSTAP_MESSAGE_TYPE_STUB_RESPONSE: \
case DNSTAP_MESSAGE_TYPE_TOOL_QUERY: \
case DNSTAP_MESSAGE_TYPE_TOOL_RESPONSE: \
(d).message.type = (enum _Dnstap__Message__Type)v; \
break; \
default: \
(d).message.type = (enum _Dnstap__Message__Type)DNSTAP_MESSAGE_TYPE_UNKNOWN; \
}
#define dnstap_message_set_socket_family(d, v) \
switch (v) { \
case DNSTAP_SOCKET_FAMILY_INET: \
case DNSTAP_SOCKET_FAMILY_INET6: \
(d).message.has_socket_family = true; \
(d).message.socket_family = (enum _Dnstap__SocketFamily)v; \
break; \
default: \
(d).message.has_socket_family = false; \
(d).message.socket_family = (enum _Dnstap__SocketFamily)DNSTAP_MESSAGE_TYPE_UNKNOWN; \
}
#define dnstap_message_set_socket_protocol(d, v) \
switch (v) { \
case DNSTAP_SOCKET_PROTOCOL_UDP: \
case DNSTAP_SOCKET_PROTOCOL_TCP: \
(d).message.has_socket_protocol = true; \
(d).message.socket_protocol = (enum _Dnstap__SocketProtocol)v; \
break; \
default: \
(d).message.has_socket_protocol = false; \
(d).message.socket_protocol = (enum _Dnstap__SocketProtocol)DNSTAP_MESSAGE_TYPE_UNKNOWN; \
}
int dnstap_decode_protobuf(struct dnstap*, const uint8_t*, size_t);
// int dnstap_decode_cbor(struct dnstap*, const uint8_t*, size_t);
size_t dnstap_encode_protobuf_size(const struct dnstap*);
size_t dnstap_encode_protobuf(const struct dnstap*, uint8_t*);
void dnstap_cleanup(struct dnstap*);
#endif
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