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/* Copyright (C) 2014-2021 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>
*
* Implements SSH JSON logging portion of the engine.
*/
#include "suricata-common.h"
#include "detect.h"
#include "pkt-var.h"
#include "conf.h"
#include "threads.h"
#include "threadvars.h"
#include "tm-threads.h"
#include "util-print.h"
#include "util-unittest.h"
#include "util-debug.h"
#include "app-layer-parser.h"
#include "output.h"
#include "app-layer-ssh.h"
#include "app-layer.h"
#include "util-privs.h"
#include "util-buffer.h"
#include "util-logopenfile.h"
#include "output-json.h"
#include "output-json-ssh.h"
#include "rust.h"
#define MODULE_NAME "LogSshLog"
static int JsonSshLogger(ThreadVars *tv, void *thread_data, const Packet *p,
Flow *f, void *state, void *txptr, uint64_t tx_id)
{
OutputJsonThreadCtx *thread = thread_data;
if (unlikely(state == NULL)) {
return 0;
}
JsonBuilder *js = CreateEveHeaderWithTxId(p, LOG_DIR_FLOW, "ssh", NULL, tx_id, thread->ctx);
if (unlikely(js == NULL))
return 0;
jb_open_object(js, "ssh");
if (!rs_ssh_log_json(txptr, js)) {
goto end;
}
jb_close(js);
OutputJsonBuilderBuffer(js, thread);
end:
jb_free(js);
return 0;
}
static OutputInitResult OutputSshLogInitSub(ConfNode *conf, OutputCtx *parent_ctx)
{
AppLayerParserRegisterLogger(IPPROTO_TCP, ALPROTO_SSH);
return OutputJsonLogInitSub(conf, parent_ctx);
}
void JsonSshLogRegister (void)
{
/* register as child of eve-log */
OutputRegisterTxSubModuleWithCondition(LOGGER_JSON_TX, "eve-log", "JsonSshLog", "eve-log.ssh",
OutputSshLogInitSub, ALPROTO_SSH, JsonSshLogger, SSHTxLogCondition, JsonLogThreadInit,
JsonLogThreadDeinit, NULL);
}
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