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Diffstat (limited to '')
-rw-r--r-- | src/output-json-ssh.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/output-json-ssh.c b/src/output-json-ssh.c new file mode 100644 index 0000000..5ec7014 --- /dev/null +++ b/src/output-json-ssh.c @@ -0,0 +1,91 @@ +/* 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); +} |