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Diffstat (limited to 'src/output-json-sip.c')
-rw-r--r-- | src/output-json-sip.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/output-json-sip.c b/src/output-json-sip.c new file mode 100644 index 0000000..8297be1 --- /dev/null +++ b/src/output-json-sip.c @@ -0,0 +1,102 @@ +/* Copyright (C) 2018-2021 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 Giuseppe Longo <giuseppe@glongo.it> + * + * Implement JSON/eve logging app-layer SIP. + */ + +#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-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-sip.h" +#include "output-json-sip.h" + +#include "rust.h" + +void JsonSIPAddMetadata(JsonBuilder *js, const Flow *f, uint64_t tx_id) +{ + SIPState *state = FlowGetAppState(f); + if (state) { + SIPTransaction *tx = AppLayerParserGetTx(f->proto, ALPROTO_SIP, state, tx_id); + if (tx) { + rs_sip_log_json(tx, js); + } + } +} + +static int JsonSIPLogger(ThreadVars *tv, void *thread_data, + const Packet *p, Flow *f, void *state, void *tx, uint64_t tx_id) +{ + SIPTransaction *siptx = tx; + OutputJsonThreadCtx *thread = thread_data; + + JsonBuilder *js = CreateEveHeader((Packet *)p, LOG_DIR_PACKET, "sip", NULL, thread->ctx); + if (unlikely(js == NULL)) { + return TM_ECODE_OK; + } + + if (!rs_sip_log_json(siptx, js)) { + goto error; + } + + OutputJsonBuilderBuffer(js, thread); + jb_free(js); + + return TM_ECODE_OK; + +error: + jb_free(js); + return TM_ECODE_FAILED; +} + +static OutputInitResult OutputSIPLogInitSub(ConfNode *conf, + OutputCtx *parent_ctx) +{ + AppLayerParserRegisterLogger(IPPROTO_UDP, ALPROTO_SIP); + return OutputJsonLogInitSub(conf, parent_ctx); +} + +void JsonSIPLogRegister(void) +{ + /* Register as an eve sub-module. */ + OutputRegisterTxSubModule(LOGGER_JSON_TX, "eve-log", "JsonSIPLog", "eve-log.sip", + OutputSIPLogInitSub, ALPROTO_SIP, JsonSIPLogger, JsonLogThreadInit, JsonLogThreadDeinit, + NULL); + + SCLogDebug("SIP JSON logger registered."); +} |