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/* Copyright (C) 2013-2021 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
*
* Logs vars in JSON format.
*
*/
#include "suricata-common.h"
#include "detect.h"
#include "flow.h"
#include "conf.h"
#include "threads.h"
#include "tm-threads.h"
#include "threadvars.h"
#include "util-debug.h"
#include "util-misc.h"
#include "util-unittest.h"
#include "util-unittest-helper.h"
#include "detect-parse.h"
#include "detect-engine.h"
#include "detect-engine-mpm.h"
#include "detect-reference.h"
#include "app-layer-parser.h"
#include "app-layer-dnp3.h"
#include "app-layer-htp.h"
#include "app-layer-htp-xff.h"
#include "util-classification-config.h"
#include "util-syslog.h"
#include "util-logopenfile.h"
#include "output.h"
#include "output-json.h"
#include "output-json-metadata.h"
#include "util-byte.h"
#include "util-privs.h"
#include "util-print.h"
#include "util-proto-name.h"
#include "util-optimize.h"
#include "util-buffer.h"
#define MODULE_NAME "JsonMetadataLog"
static int MetadataJson(ThreadVars *tv, OutputJsonThreadCtx *aft, const Packet *p)
{
JsonBuilder *js = CreateEveHeader(p, LOG_DIR_PACKET, "metadata", NULL, aft->ctx);
if (unlikely(js == NULL))
return TM_ECODE_OK;
/* If metadata is not enabled for eve, explicitly log it here as this is
* what logging metadata is about. */
if (!aft->ctx->cfg.include_metadata) {
EveAddMetadata(p, p->flow, js);
}
OutputJsonBuilderBuffer(js, aft);
jb_free(js);
return TM_ECODE_OK;
}
static int JsonMetadataLogger(ThreadVars *tv, void *thread_data, const Packet *p)
{
OutputJsonThreadCtx *aft = thread_data;
return MetadataJson(tv, aft, p);
}
static int JsonMetadataLogCondition(ThreadVars *tv, void *data, const Packet *p)
{
if (p->pktvar) {
return TRUE;
}
return FALSE;
}
void JsonMetadataLogRegister (void)
{
OutputRegisterPacketSubModule(LOGGER_JSON_METADATA, "eve-log", MODULE_NAME, "eve-log.metadata",
OutputJsonLogInitSub, JsonMetadataLogger, JsonMetadataLogCondition, JsonLogThreadInit,
JsonLogThreadDeinit, NULL);
/* Kept for compatibility. */
OutputRegisterPacketSubModule(LOGGER_JSON_METADATA, "eve-log", MODULE_NAME, "eve-log.vars",
OutputJsonLogInitSub, JsonMetadataLogger, JsonMetadataLogCondition, JsonLogThreadInit,
JsonLogThreadDeinit, NULL);
}
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