diff options
Diffstat (limited to 'src/output-json-rfb.c')
-rw-r--r-- | src/output-json-rfb.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/output-json-rfb.c b/src/output-json-rfb.c new file mode 100644 index 0000000..cc12d2f --- /dev/null +++ b/src/output-json-rfb.c @@ -0,0 +1,99 @@ +/* Copyright (C) 2020-2021 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 Frank Honza <frank.honza@dcso.de> + * + * Implement JSON/eve logging app-layer RFB. + */ + +#include "suricata-common.h" +#include "conf.h" + +#include "threads.h" +#include "threadvars.h" +#include "tm-threads.h" + +#include "util-unittest.h" +#include "util-buffer.h" +#include "util-debug.h" +#include "util-byte.h" + +#include "output.h" +#include "output-json.h" + +#include "app-layer.h" +#include "app-layer-parser.h" + +#include "app-layer-rfb.h" +#include "output-json-rfb.h" + +#include "rust-bindings.h" + +bool JsonRFBAddMetadata(const Flow *f, uint64_t tx_id, JsonBuilder *js) +{ + void *state = FlowGetAppState(f); + if (state) { + RFBTransaction *tx = AppLayerParserGetTx(f->proto, ALPROTO_RFB, state, tx_id); + if (tx) { + return rs_rfb_logger_log(tx, js); + } + } + + return false; +} + +static int JsonRFBLogger(ThreadVars *tv, void *thread_data, + const Packet *p, Flow *f, void *state, void *tx, uint64_t tx_id) +{ + OutputJsonThreadCtx *thread = thread_data; + + JsonBuilder *js = CreateEveHeader(p, LOG_DIR_FLOW, "rfb", NULL, thread->ctx); + if (unlikely(js == NULL)) { + return TM_ECODE_FAILED; + } + + if (!rs_rfb_logger_log(tx, js)) { + goto error; + } + + OutputJsonBuilderBuffer(js, thread); + jb_free(js); + + return TM_ECODE_OK; + +error: + jb_free(js); + return TM_ECODE_FAILED; +} + +static OutputInitResult OutputRFBLogInitSub(ConfNode *conf, + OutputCtx *parent_ctx) +{ + AppLayerParserRegisterLogger(IPPROTO_TCP, ALPROTO_RFB); + return OutputJsonLogInitSub(conf, parent_ctx); +} + +void JsonRFBLogRegister(void) +{ + /* Register as an eve sub-module. */ + OutputRegisterTxSubModule(LOGGER_JSON_TX, "eve-log", "JsonRFBLog", "eve-log.rfb", + OutputRFBLogInitSub, ALPROTO_RFB, JsonRFBLogger, JsonLogThreadInit, JsonLogThreadDeinit, + NULL); +} |