コード例 #1
0
static TmEcode OutputTxLog(ThreadVars *tv, Packet *p, void *thread_data)
{
    BUG_ON(thread_data == NULL);
    if (list == NULL) {
        /* No child loggers registered. */
        return TM_ECODE_OK;
    }

    OutputLoggerThreadData *op_thread_data = (OutputLoggerThreadData *)thread_data;
    OutputTxLogger *logger = list;
    OutputLoggerThreadStore *store = op_thread_data->store;

    BUG_ON(logger == NULL && store != NULL);
    BUG_ON(logger != NULL && store == NULL);
    BUG_ON(logger == NULL && store == NULL);

    if (p->flow == NULL)
        return TM_ECODE_OK;

    Flow * const f = p->flow;

    AppProto alproto = f->alproto;

    if (AppLayerParserProtocolIsTxAware(p->proto, alproto) == 0)
        goto end;
    if (AppLayerParserProtocolHasLogger(p->proto, alproto) == 0)
        goto end;

    void *alstate = f->alstate;
    if (alstate == NULL) {
        SCLogDebug("no alstate");
        goto end;
    }

    uint64_t total_txs = AppLayerParserGetTxCnt(p->proto, alproto, alstate);
    uint64_t tx_id = AppLayerParserGetTransactionLogId(f->alparser);

    for (; tx_id < total_txs; tx_id++)
    {
        int logger_not_logged = 0;

        void *tx = AppLayerParserGetTx(p->proto, alproto, alstate, tx_id);
        if (tx == NULL) {
            SCLogDebug("tx is NULL not logging");
            continue;
        }

        int tx_progress_ts = AppLayerParserGetStateProgress(p->proto, alproto,
                tx, FlowGetDisruptionFlags(f, STREAM_TOSERVER));

        int tx_progress_tc = AppLayerParserGetStateProgress(p->proto, alproto,
                tx, FlowGetDisruptionFlags(f, STREAM_TOCLIENT));

        SCLogDebug("tx_progress_ts %d tx_progress_tc %d",
                tx_progress_ts, tx_progress_tc);

        // call each logger here (pseudo code)
        logger = list;
        store = op_thread_data->store;
        while (logger && store) {
            BUG_ON(logger->LogFunc == NULL);

            SCLogDebug("logger %p, LogCondition %p, ts_log_progress %d "
                    "tc_log_progress %d", logger, logger->LogCondition,
                    logger->ts_log_progress, logger->tc_log_progress);
            if (logger->alproto == alproto) {
                SCLogDebug("alproto match, logging tx_id %"PRIu64, tx_id);

                if (AppLayerParserGetTxLogged(p->proto, alproto, alstate, tx,
                        logger->id)) {
                    SCLogDebug("logger has already logged this transaction");

                    goto next;
                }

                if (!(AppLayerParserStateIssetFlag(f->alparser,
                                                   APP_LAYER_PARSER_EOF))) {
                    if (logger->LogCondition) {
                        int r = logger->LogCondition(tv, p, alstate, tx, tx_id);
                        if (r == FALSE) {
                            SCLogDebug("conditions not met, not logging");
                            logger_not_logged = 1;
                            goto next;
                        }
                    } else {
                        if (tx_progress_tc < logger->tc_log_progress) {
                            SCLogDebug("progress not far enough, not logging");
                            logger_not_logged = 1;
                            goto next;
                        }

                        if (tx_progress_ts < logger->ts_log_progress) {
                            SCLogDebug("progress not far enough, not logging");
                            logger_not_logged = 1;
                            goto next;
                        }
                    }
                }

                PACKET_PROFILING_LOGGER_START(p, logger->logger_id);
                logger->LogFunc(tv, store->thread_data, p, f, alstate, tx, tx_id);
                PACKET_PROFILING_LOGGER_END(p, logger->logger_id);

                AppLayerParserSetTxLogged(p->proto, alproto, alstate, tx,
                                          logger->id);
            }

next:
            logger = logger->next;
            store = store->next;

            BUG_ON(logger == NULL && store != NULL);
            BUG_ON(logger != NULL && store == NULL);
        }

        if (!logger_not_logged) {
            SCLogDebug("updating log tx_id %"PRIu64, tx_id);
            AppLayerParserSetTransactionLogId(f->alparser);
        }
    }

end:
    return TM_ECODE_OK;
}
コード例 #2
0
ファイル: output-tx.c プロジェクト: EmergingThreats/suricata
static TmEcode OutputTxLog(ThreadVars *tv, Packet *p, void *thread_data, PacketQueue *pq, PacketQueue *postpq)
{
    BUG_ON(thread_data == NULL);
    BUG_ON(list == NULL);

    OutputLoggerThreadData *op_thread_data = (OutputLoggerThreadData *)thread_data;
    OutputTxLogger *logger = list;
    OutputLoggerThreadStore *store = op_thread_data->store;

    BUG_ON(logger == NULL && store != NULL);
    BUG_ON(logger != NULL && store == NULL);
    BUG_ON(logger == NULL && store == NULL);

    if (p->flow == NULL)
        return TM_ECODE_OK;

    Flow * const f = p->flow;

    FLOWLOCK_WRLOCK(f); /* WRITE lock before we updated flow logged id */
    AppProto alproto = f->alproto;

    if (AppLayerParserProtocolIsTxAware(p->proto, alproto) == 0)
        goto end;
    if (AppLayerParserProtocolHasLogger(p->proto, alproto) == 0)
        goto end;

    void *alstate = f->alstate;
    if (alstate == NULL) {
        SCLogDebug("no alstate");
        goto end;
    }

    uint64_t total_txs = AppLayerParserGetTxCnt(p->proto, alproto, alstate);
    uint64_t tx_id = AppLayerParserGetTransactionLogId(f->alparser);
    int tx_progress_done_value_ts =
        AppLayerParserGetStateProgressCompletionStatus(p->proto, alproto,
                                                       STREAM_TOSERVER);
    int tx_progress_done_value_tc =
        AppLayerParserGetStateProgressCompletionStatus(p->proto, alproto,
                                                       STREAM_TOCLIENT);
    for (; tx_id < total_txs; tx_id++)
    {
        int proto_logged = 0;

        void *tx = AppLayerParserGetTx(p->proto, alproto, alstate, tx_id);
        if (tx == NULL) {
            SCLogDebug("tx is NULL not logging");
            continue;
        }

        if (!(AppLayerParserStateIssetFlag(f->alparser, APP_LAYER_PARSER_EOF)))
        {
            int tx_progress = AppLayerParserGetStateProgress(p->proto, alproto,
                                                             tx, FlowGetDisruptionFlags(f, STREAM_TOSERVER));
            if (tx_progress < tx_progress_done_value_ts) {
                SCLogDebug("progress not far enough, not logging");
                break;
            }

            tx_progress = AppLayerParserGetStateProgress(p->proto, alproto,
                                                         tx, FlowGetDisruptionFlags(f, STREAM_TOCLIENT));
            if (tx_progress < tx_progress_done_value_tc) {
                SCLogDebug("progress not far enough, not logging");
                break;
            }
        }

        // call each logger here (pseudo code)
        logger = list;
        store = op_thread_data->store;
        while (logger && store) {
            BUG_ON(logger->LogFunc == NULL);

            SCLogDebug("logger %p", logger);
            if (logger->alproto == alproto) {
                SCLogDebug("alproto match, logging tx_id %ju", tx_id);
                PACKET_PROFILING_TMM_START(p, logger->module_id);
                logger->LogFunc(tv, store->thread_data, p, f, alstate, tx, tx_id);
                PACKET_PROFILING_TMM_END(p, logger->module_id);
                proto_logged = 1;
            }

            logger = logger->next;
            store = store->next;

            BUG_ON(logger == NULL && store != NULL);
            BUG_ON(logger != NULL && store == NULL);
        }

        if (proto_logged) {
            SCLogDebug("updating log tx_id %ju", tx_id);
            AppLayerParserSetTransactionLogId(f->alparser);
        }
    }

end:
    FLOWLOCK_UNLOCK(f);
    return TM_ECODE_OK;
}