static void JsonNetFlowLogJSONToClient(JsonNetFlowLogThread *aft, json_t *js, Flow *f)
{
    json_t *hjs = json_object();
    if (hjs == NULL) {
        return;
    }

    json_object_set_new(js, "app_proto",
            json_string(AppProtoToString(f->alproto_tc ? f->alproto_tc : f->alproto)));

    json_object_set_new(hjs, "pkts",
            json_integer(f->tosrcpktcnt));
    json_object_set_new(hjs, "bytes",
            json_integer(f->tosrcbytecnt));

    char timebuf1[64], timebuf2[64];

    CreateIsoTimeString(&f->startts, timebuf1, sizeof(timebuf1));
    CreateIsoTimeString(&f->lastts, timebuf2, sizeof(timebuf2));

    json_object_set_new(hjs, "start", json_string(timebuf1));
    json_object_set_new(hjs, "end", json_string(timebuf2));

    int32_t age = f->lastts.tv_sec - f->startts.tv_sec;
    json_object_set_new(hjs, "age",
            json_integer(age));

    /* To client is zero if we did not see any packet */
    if (f->tosrcpktcnt) {
        json_object_set_new(hjs, "min_ttl", json_integer(f->min_ttl_toclient));
        json_object_set_new(hjs, "max_ttl", json_integer(f->max_ttl_toclient));
    }

    json_object_set_new(js, "netflow", hjs);

    /* TCP */
    if (f->proto == IPPROTO_TCP) {
        json_t *tjs = json_object();
        if (tjs == NULL) {
            return;
        }

        TcpSession *ssn = f->protoctx;

        char hexflags[3];
        snprintf(hexflags, sizeof(hexflags), "%02x",
                ssn ? ssn->server.tcp_flags : 0);
        json_object_set_new(tjs, "tcp_flags", json_string(hexflags));

        JsonTcpFlags(ssn ? ssn->server.tcp_flags : 0, tjs);

        json_object_set_new(js, "tcp", tjs);
    }
}
Example #2
0
static int JsonStatsLogger(ThreadVars *tv, void *thread_data, const StatsTable *st)
{
    SCEnter();
    JsonStatsLogThread *aft = (JsonStatsLogThread *)thread_data;

    struct timeval tval;
    gettimeofday(&tval, NULL);

    json_t *js = json_object();
    if (unlikely(js == NULL))
        return 0;
    char timebuf[64];
    CreateIsoTimeString(&tval, timebuf, sizeof(timebuf));
    json_object_set_new(js, "timestamp", json_string(timebuf));
    json_object_set_new(js, "event_type", json_string("stats"));

    json_t *js_stats = StatsToJSON(st, aft->statslog_ctx->flags);
    if (js_stats == NULL) {
        json_decref(js);
        return 0;
    }

    json_object_set_new(js, "stats", js_stats);

    OutputJSONBuffer(js, aft->statslog_ctx->file_ctx, &aft->buffer);
    MemBufferReset(aft->buffer);

    json_object_clear(js_stats);
    json_object_del(js, "stats");
    json_object_clear(js);
    json_decref(js);

    SCReturnInt(0);
}
Example #3
0
void JsonAddFlow(Flow *f, json_t *js, json_t *hjs)
{
    json_object_set_new(js, "app_proto",
            json_string(AppProtoToString(f->alproto)));
    if (f->alproto_ts != f->alproto) {
        json_object_set_new(js, "app_proto_ts",
                json_string(AppProtoToString(f->alproto_ts)));
    }
    if (f->alproto_tc != f->alproto) {
        json_object_set_new(js, "app_proto_tc",
                json_string(AppProtoToString(f->alproto_tc)));
    }
    if (f->alproto_orig != f->alproto && f->alproto_orig != ALPROTO_UNKNOWN) {
        json_object_set_new(js, "app_proto_orig",
                json_string(AppProtoToString(f->alproto_orig)));
    }
    if (f->alproto_expect != f->alproto && f->alproto_expect != ALPROTO_UNKNOWN) {
        json_object_set_new(js, "app_proto_expected",
                json_string(AppProtoToString(f->alproto_expect)));
    }

    json_object_set_new(hjs, "pkts_toserver",
            json_integer(f->todstpktcnt));
    json_object_set_new(hjs, "pkts_toclient",
            json_integer(f->tosrcpktcnt));
    json_object_set_new(hjs, "bytes_toserver",
            json_integer(f->todstbytecnt));
    json_object_set_new(hjs, "bytes_toclient",
            json_integer(f->tosrcbytecnt));

    char timebuf1[64];
    CreateIsoTimeString(&f->startts, timebuf1, sizeof(timebuf1));
    json_object_set_new(hjs, "start", json_string(timebuf1));
}
Example #4
0
static int AlertJsonDecoderEvent(ThreadVars *tv, JsonAlertLogThread *aft, const Packet *p)
{
    int i;
    char timebuf[64];
    json_t *js;

    if (p->alerts.cnt == 0)
        return TM_ECODE_OK;

    CreateIsoTimeString(&p->ts, timebuf, sizeof(timebuf));

    for (i = 0; i < p->alerts.cnt; i++) {
        MemBufferReset(aft->json_buffer);

        const PacketAlert *pa = &p->alerts.alerts[i];
        if (unlikely(pa->s == NULL)) {
            continue;
        }

        char *action = "allowed";
        if (pa->action & (ACTION_REJECT|ACTION_REJECT_DST|ACTION_REJECT_BOTH)) {
            action = "blocked";
        } else if ((pa->action & ACTION_DROP) && EngineModeIsIPS()) {
            action = "blocked";
        }

        char buf[(32 * 3) + 1];
        PrintRawLineHexBuf(buf, sizeof(buf), GET_PKT_DATA(p), GET_PKT_LEN(p) < 32 ? GET_PKT_LEN(p) : 32);

        js = json_object();
        if (js == NULL)
            return TM_ECODE_OK;

        json_t *ajs = json_object();
        if (ajs == NULL) {
            json_decref(js);
            return TM_ECODE_OK;
        }

        /* time & tx */
        json_object_set_new(js, "timestamp", json_string(timebuf));

        /* tuple */
        //json_object_set_new(js, "srcip", json_string(srcip));
        //json_object_set_new(js, "sp", json_integer(p->sp));
        //json_object_set_new(js, "dstip", json_string(dstip));
        //json_object_set_new(js, "dp", json_integer(p->dp));
        //json_object_set_new(js, "proto", json_integer(proto));

        json_object_set_new(ajs, "action", json_string(action));
        json_object_set_new(ajs, "gid", json_integer(pa->s->gid));
        json_object_set_new(ajs, "signature_id", json_integer(pa->s->id));
        json_object_set_new(ajs, "rev", json_integer(pa->s->rev));
        json_object_set_new(ajs, "signature",
                            json_string((pa->s->msg) ? pa->s->msg : ""));
        json_object_set_new(ajs, "category",
                            json_string((pa->s->class_msg) ? pa->s->class_msg : ""));
        json_object_set_new(ajs, "severity", json_integer(pa->s->prio));

        if (p->tenant_id > 0)
            json_object_set_new(ajs, "tenant_id", json_integer(p->tenant_id));

        /* alert */
        json_object_set_new(js, "alert", ajs);
        OutputJSONBuffer(js, aft->file_ctx, &aft->json_buffer);
        json_object_clear(js);
        json_decref(js);
    }

    return TM_ECODE_OK;
}
Example #5
0
json_t *CreateJSONHeader(Packet *p, int direction_sensitive, char *event_type)
{
    char timebuf[64];
    char srcip[46], dstip[46];
    Port sp, dp;

    json_t *js = json_object();
    if (unlikely(js == NULL))
        return NULL;

    CreateIsoTimeString(&p->ts, timebuf, sizeof(timebuf));

    srcip[0] = '\0';
    dstip[0] = '\0';
    if (direction_sensitive) {
        if ((PKT_IS_TOSERVER(p))) {
            if (PKT_IS_IPV4(p)) {
                PrintInet(AF_INET, (const void *)GET_IPV4_SRC_ADDR_PTR(p), srcip, sizeof(srcip));
                PrintInet(AF_INET, (const void *)GET_IPV4_DST_ADDR_PTR(p), dstip, sizeof(dstip));
            } else if (PKT_IS_IPV6(p)) {
                PrintInet(AF_INET6, (const void *)GET_IPV6_SRC_ADDR(p), srcip, sizeof(srcip));
                PrintInet(AF_INET6, (const void *)GET_IPV6_DST_ADDR(p), dstip, sizeof(dstip));
            }
            sp = p->sp;
            dp = p->dp;
        } else {
            if (PKT_IS_IPV4(p)) {
                PrintInet(AF_INET, (const void *)GET_IPV4_DST_ADDR_PTR(p), srcip, sizeof(srcip));
                PrintInet(AF_INET, (const void *)GET_IPV4_SRC_ADDR_PTR(p), dstip, sizeof(dstip));
            } else if (PKT_IS_IPV6(p)) {
                PrintInet(AF_INET6, (const void *)GET_IPV6_DST_ADDR(p), srcip, sizeof(srcip));
                PrintInet(AF_INET6, (const void *)GET_IPV6_SRC_ADDR(p), dstip, sizeof(dstip));
            }
            sp = p->dp;
            dp = p->sp;
        }
    } else {
        if (PKT_IS_IPV4(p)) {
            PrintInet(AF_INET, (const void *)GET_IPV4_SRC_ADDR_PTR(p), srcip, sizeof(srcip));
            PrintInet(AF_INET, (const void *)GET_IPV4_DST_ADDR_PTR(p), dstip, sizeof(dstip));
        } else if (PKT_IS_IPV6(p)) {
            PrintInet(AF_INET6, (const void *)GET_IPV6_SRC_ADDR(p), srcip, sizeof(srcip));
            PrintInet(AF_INET6, (const void *)GET_IPV6_DST_ADDR(p), dstip, sizeof(dstip));
        }
        sp = p->sp;
        dp = p->dp;
    }

    char proto[16];
    if (SCProtoNameValid(IP_GET_IPPROTO(p)) == TRUE) {
        strlcpy(proto, known_proto[IP_GET_IPPROTO(p)], sizeof(proto));
    } else {
        snprintf(proto, sizeof(proto), "%03" PRIu32, IP_GET_IPPROTO(p));
    }

    /* time & tx */
    json_object_set_new(js, "timestamp", json_string(timebuf));

    /* sensor id */
    if (sensor_id >= 0)
        json_object_set_new(js, "sensor_id", json_integer(sensor_id));

    /* pcap_cnt */
    if (p->pcap_cnt != 0) {
        json_object_set_new(js, "pcap_cnt", json_integer(p->pcap_cnt));
    }

    if (event_type) {
        json_object_set_new(js, "event_type", json_string(event_type));
    }

    /* vlan */
    if (p->vlan_idx > 0) {
        json_t *js_vlan;
        switch (p->vlan_idx) {
        case 1:
            json_object_set_new(js, "vlan",
                                json_integer(VLAN_GET_ID1(p)));
            break;
        case 2:
            js_vlan = json_array();
            if (unlikely(js != NULL)) {
                json_array_append_new(js_vlan,
                                      json_integer(VLAN_GET_ID1(p)));
                json_array_append_new(js_vlan,
                                      json_integer(VLAN_GET_ID2(p)));
                json_object_set_new(js, "vlan", js_vlan);
            }
            break;
        default:
            /* shouldn't get here */
            break;
        }
    }

    /* tuple */
    json_object_set_new(js, "src_ip", json_string(srcip));
    switch(p->proto) {
    case IPPROTO_ICMP:
        break;
    case IPPROTO_UDP:
    case IPPROTO_TCP:
    case IPPROTO_SCTP:
        json_object_set_new(js, "src_port", json_integer(sp));
        break;
    }
    json_object_set_new(js, "dest_ip", json_string(dstip));
    switch(p->proto) {
    case IPPROTO_ICMP:
        break;
    case IPPROTO_UDP:
    case IPPROTO_TCP:
    case IPPROTO_SCTP:
        json_object_set_new(js, "dest_port", json_integer(dp));
        break;
    }
    json_object_set_new(js, "proto", json_string(proto));
    switch (p->proto) {
    case IPPROTO_ICMP:
        if (p->icmpv4h) {
            json_object_set_new(js, "icmp_type",
                                json_integer(p->icmpv4h->type));
            json_object_set_new(js, "icmp_code",
                                json_integer(p->icmpv4h->code));
        }
        break;
    case IPPROTO_ICMPV6:
        if (p->icmpv6h) {
            json_object_set_new(js, "icmp_type",
                                json_integer(p->icmpv6h->type));
            json_object_set_new(js, "icmp_code",
                                json_integer(p->icmpv6h->code));
        }
        break;
    }

    return js;
}
Example #6
0
static json_t *CreateJSONHeaderFromFlow(const Flow *f, const char *event_type)
{
    char timebuf[64];
    char srcip[46] = {0}, dstip[46] = {0};
    Port sp, dp;

    json_t *js = json_object();
    if (unlikely(js == NULL))
        return NULL;

    struct timeval tv;
    memset(&tv, 0x00, sizeof(tv));
    TimeGet(&tv);

    CreateIsoTimeString(&tv, timebuf, sizeof(timebuf));

    if ((f->flags & FLOW_DIR_REVERSED) == 0) {
        if (FLOW_IS_IPV4(f)) {
            PrintInet(AF_INET, (const void *)&(f->src.addr_data32[0]), srcip, sizeof(srcip));
            PrintInet(AF_INET, (const void *)&(f->dst.addr_data32[0]), dstip, sizeof(dstip));
        } else if (FLOW_IS_IPV6(f)) {
            PrintInet(AF_INET6, (const void *)&(f->src.address), srcip, sizeof(srcip));
            PrintInet(AF_INET6, (const void *)&(f->dst.address), dstip, sizeof(dstip));
        }
        sp = f->sp;
        dp = f->dp;
    } else {
        if (FLOW_IS_IPV4(f)) {
            PrintInet(AF_INET, (const void *)&(f->dst.addr_data32[0]), srcip, sizeof(srcip));
            PrintInet(AF_INET, (const void *)&(f->src.addr_data32[0]), dstip, sizeof(dstip));
        } else if (FLOW_IS_IPV6(f)) {
            PrintInet(AF_INET6, (const void *)&(f->dst.address), srcip, sizeof(srcip));
            PrintInet(AF_INET6, (const void *)&(f->src.address), dstip, sizeof(dstip));
        }
        sp = f->dp;
        dp = f->sp;
    }

    char proto[16];
    if (SCProtoNameValid(f->proto) == TRUE) {
        strlcpy(proto, known_proto[f->proto], sizeof(proto));
    } else {
        snprintf(proto, sizeof(proto), "%03" PRIu32, f->proto);
    }

    /* time */
    json_object_set_new(js, "timestamp", json_string(timebuf));

    CreateJSONFlowId(js, (const Flow *)f);

#if 0 // TODO
    /* sensor id */
    if (sensor_id >= 0)
        json_object_set_new(js, "sensor_id", json_integer(sensor_id));
#endif

    /* input interface */
    if (f->livedev) {
        json_object_set_new(js, "in_iface", json_string(f->livedev->dev));
    }

    if (event_type) {
        json_object_set_new(js, "event_type", json_string(event_type));
    }

    /* vlan */
    if (f->vlan_idx > 0) {
        json_t *js_vlan = json_array();
        json_array_append_new(js_vlan, json_integer(f->vlan_id[0]));
        if (f->vlan_idx > 1) {
            json_array_append_new(js_vlan, json_integer(f->vlan_id[1]));
        }
        json_object_set_new(js, "vlan", js_vlan);
    }

    /* tuple */
    json_object_set_new(js, "src_ip", json_string(srcip));
    switch(f->proto) {
        case IPPROTO_ICMP:
            break;
        case IPPROTO_UDP:
        case IPPROTO_TCP:
        case IPPROTO_SCTP:
            json_object_set_new(js, "src_port", json_integer(sp));
            break;
    }
    json_object_set_new(js, "dest_ip", json_string(dstip));
    switch(f->proto) {
        case IPPROTO_ICMP:
            break;
        case IPPROTO_UDP:
        case IPPROTO_TCP:
        case IPPROTO_SCTP:
            json_object_set_new(js, "dest_port", json_integer(dp));
            break;
    }
    json_object_set_new(js, "proto", json_string(proto));
    switch (f->proto) {
        case IPPROTO_ICMP:
        case IPPROTO_ICMPV6:
            json_object_set_new(js, "icmp_type",
                    json_integer(f->icmp_s.type));
            json_object_set_new(js, "icmp_code",
                    json_integer(f->icmp_s.code));
            if (f->tosrcpktcnt) {
                json_object_set_new(js, "response_icmp_type",
                        json_integer(f->icmp_d.type));
                json_object_set_new(js, "response_icmp_code",
                        json_integer(f->icmp_d.code));
            }
            break;
    }
    return js;
}
Example #7
0
/* JSON format logging */
static void JsonFlowLogJSON(JsonFlowLogThread *aft, json_t *js, Flow *f)
{
    LogJsonFileCtx *flow_ctx = aft->flowlog_ctx;
    json_t *hjs = json_object();
    if (hjs == NULL) {
        return;
    }

    JsonAddFlow(f, js, hjs);

    char timebuf2[64];
    CreateIsoTimeString(&f->lastts, timebuf2, sizeof(timebuf2));
    json_object_set_new(hjs, "end", json_string(timebuf2));

    int32_t age = f->lastts.tv_sec - f->startts.tv_sec;
    json_object_set_new(hjs, "age",
            json_integer(age));

    if (f->flow_end_flags & FLOW_END_FLAG_EMERGENCY)
        json_object_set_new(hjs, "emergency", json_true());
    const char *state = NULL;
    if (f->flow_end_flags & FLOW_END_FLAG_STATE_NEW)
        state = "new";
    else if (f->flow_end_flags & FLOW_END_FLAG_STATE_ESTABLISHED)
        state = "established";
    else if (f->flow_end_flags & FLOW_END_FLAG_STATE_CLOSED)
        state = "closed";
    else if (f->flow_end_flags & FLOW_END_FLAG_STATE_BYPASSED) {
        state = "bypassed";
        int flow_state = SC_ATOMIC_GET(f->flow_state);
        switch (flow_state) {
            case FLOW_STATE_LOCAL_BYPASSED:
                json_object_set_new(hjs, "bypass",
                        json_string("local"));
                break;
            case FLOW_STATE_CAPTURE_BYPASSED:
                json_object_set_new(hjs, "bypass",
                        json_string("capture"));
                break;
            default:
                SCLogError(SC_ERR_INVALID_VALUE,
                           "Invalid flow state: %d, contact developers",
                           flow_state);
        }
    }

    json_object_set_new(hjs, "state",
            json_string(state));

    const char *reason = NULL;
    if (f->flow_end_flags & FLOW_END_FLAG_TIMEOUT)
        reason = "timeout";
    else if (f->flow_end_flags & FLOW_END_FLAG_FORCED)
        reason = "forced";
    else if (f->flow_end_flags & FLOW_END_FLAG_SHUTDOWN)
        reason = "shutdown";

    json_object_set_new(hjs, "reason",
            json_string(reason));

    json_object_set_new(hjs, "alerted", json_boolean(FlowHasAlerts(f)));
    if (f->flags & FLOW_WRONG_THREAD)
        json_object_set_new(hjs, "wrong_thread", json_true());

    json_object_set_new(js, "flow", hjs);

    JsonAddCommonOptions(&flow_ctx->cfg, NULL, f, js);

    /* TCP */
    if (f->proto == IPPROTO_TCP) {
        json_t *tjs = json_object();
        if (tjs == NULL) {
            return;
        }

        TcpSession *ssn = f->protoctx;

        char hexflags[3];
        snprintf(hexflags, sizeof(hexflags), "%02x",
                ssn ? ssn->tcp_packet_flags : 0);
        json_object_set_new(tjs, "tcp_flags", json_string(hexflags));

        snprintf(hexflags, sizeof(hexflags), "%02x",
                ssn ? ssn->client.tcp_flags : 0);
        json_object_set_new(tjs, "tcp_flags_ts", json_string(hexflags));

        snprintf(hexflags, sizeof(hexflags), "%02x",
                ssn ? ssn->server.tcp_flags : 0);
        json_object_set_new(tjs, "tcp_flags_tc", json_string(hexflags));

        JsonTcpFlags(ssn ? ssn->tcp_packet_flags : 0, tjs);

        if (ssn) {
            const char *tcp_state = NULL;
            switch (ssn->state) {
                case TCP_NONE:
                    tcp_state = "none";
                    break;
                case TCP_LISTEN:
                    tcp_state = "listen";
                    break;
                case TCP_SYN_SENT:
                    tcp_state = "syn_sent";
                    break;
                case TCP_SYN_RECV:
                    tcp_state = "syn_recv";
                    break;
                case TCP_ESTABLISHED:
                    tcp_state = "established";
                    break;
                case TCP_FIN_WAIT1:
                    tcp_state = "fin_wait1";
                    break;
                case TCP_FIN_WAIT2:
                    tcp_state = "fin_wait2";
                    break;
                case TCP_TIME_WAIT:
                    tcp_state = "time_wait";
                    break;
                case TCP_LAST_ACK:
                    tcp_state = "last_ack";
                    break;
                case TCP_CLOSE_WAIT:
                    tcp_state = "close_wait";
                    break;
                case TCP_CLOSING:
                    tcp_state = "closing";
                    break;
                case TCP_CLOSED:
                    tcp_state = "closed";
                    break;
            }
            json_object_set_new(tjs, "state", json_string(tcp_state));
            if (ssn->client.flags & STREAMTCP_STREAM_FLAG_GAP)
                json_object_set_new(tjs, "gap_ts", json_true());
            if (ssn->server.flags & STREAMTCP_STREAM_FLAG_GAP)
                json_object_set_new(tjs, "gap_tc", json_true());
        }

        json_object_set_new(js, "tcp", tjs);
    }
}
Example #8
0
static json_t *CreateJSONHeaderFromFlow(Flow *f, char *event_type, int dir)
{
    char timebuf[64];
    char srcip[46], dstip[46];
    Port sp, dp;

    json_t *js = json_object();
    if (unlikely(js == NULL))
        return NULL;

    struct timeval tv;
    memset(&tv, 0x00, sizeof(tv));
    TimeGet(&tv);

    CreateIsoTimeString(&tv, timebuf, sizeof(timebuf));

    srcip[0] = '\0';
    dstip[0] = '\0';
    if (FLOW_IS_IPV4(f)) {
        if (dir == 0) {
            PrintInet(AF_INET, (const void *)&(f->src.addr_data32[0]), srcip, sizeof(srcip));
            PrintInet(AF_INET, (const void *)&(f->dst.addr_data32[0]), dstip, sizeof(dstip));
        } else {
            PrintInet(AF_INET, (const void *)&(f->dst.addr_data32[0]), srcip, sizeof(srcip));
            PrintInet(AF_INET, (const void *)&(f->src.addr_data32[0]), dstip, sizeof(dstip));
        }
    } else if (FLOW_IS_IPV6(f)) {
        if (dir == 0) {
            PrintInet(AF_INET6, (const void *)&(f->src.address), srcip, sizeof(srcip));
            PrintInet(AF_INET6, (const void *)&(f->dst.address), dstip, sizeof(dstip));
        } else {
            PrintInet(AF_INET6, (const void *)&(f->dst.address), srcip, sizeof(srcip));
            PrintInet(AF_INET6, (const void *)&(f->src.address), dstip, sizeof(dstip));
        }
    }

    if (dir == 0) {
        sp = f->sp;
        dp = f->dp;
    } else {
        sp = f->dp;
        dp = f->sp;
    }

    char proto[16];
    if (SCProtoNameValid(f->proto) == TRUE) {
        strlcpy(proto, known_proto[f->proto], sizeof(proto));
    } else {
        snprintf(proto, sizeof(proto), "%03" PRIu32, f->proto);
    }

    /* time */
    json_object_set_new(js, "timestamp", json_string(timebuf));

    CreateJSONFlowId(js, (const Flow *)f);

#if 0 // TODO
    /* sensor id */
    if (sensor_id >= 0)
        json_object_set_new(js, "sensor_id", json_integer(sensor_id));
#endif
    if (event_type) {
        json_object_set_new(js, "event_type", json_string(event_type));
    }
#if 0
    /* vlan */
    if (f->vlan_id[0] > 0) {
        json_t *js_vlan;
        switch (f->vlan_idx) {
            case 1:
                json_object_set_new(js, "vlan",
                                    json_integer(f->vlan_id[0]));
                break;
            case 2:
                js_vlan = json_array();
                if (unlikely(js != NULL)) {
                    json_array_append_new(js_vlan,
                                    json_integer(VLAN_GET_ID1(p)));
                    json_array_append_new(js_vlan,
                                    json_integer(VLAN_GET_ID2(p)));
                    json_object_set_new(js, "vlan", js_vlan);
                }
                break;
            default:
                /* shouldn't get here */
                break;
        }
    }
#endif
    /* tuple */
    json_object_set_new(js, "src_ip", json_string(srcip));
    switch(f->proto) {
        case IPPROTO_ICMP:
            break;
        case IPPROTO_UDP:
        case IPPROTO_TCP:
        case IPPROTO_SCTP:
            json_object_set_new(js, "src_port", json_integer(sp));
            break;
    }
    json_object_set_new(js, "dest_ip", json_string(dstip));
    switch(f->proto) {
        case IPPROTO_ICMP:
            break;
        case IPPROTO_UDP:
        case IPPROTO_TCP:
        case IPPROTO_SCTP:
            json_object_set_new(js, "dest_port", json_integer(dp));
            break;
    }
    json_object_set_new(js, "proto", json_string(proto));
    switch (f->proto) {
        case IPPROTO_ICMP:
        case IPPROTO_ICMPV6:
            json_object_set_new(js, "icmp_type",
                    json_integer(f->type));
            json_object_set_new(js, "icmp_code",
                    json_integer(f->code));
            break;
    }
    return js;
}
Example #9
0
/* JSON format logging */
static void JsonFlowLogJSON(JsonFlowLogThread *aft, json_t *js, Flow *f)
{
#if 0
    LogJsonFileCtx *flow_ctx = aft->flowlog_ctx;
#endif
    json_t *hjs = json_object();
    if (hjs == NULL) {
        return;
    }

    json_object_set_new(js, "app_proto", json_string(AppProtoToString(f->alproto)));

    json_object_set_new(hjs, "pkts_toserver",
                        json_integer(f->todstpktcnt));
    json_object_set_new(hjs, "pkts_toclient",
                        json_integer(f->tosrcpktcnt));
    json_object_set_new(hjs, "bytes_toserver",
                        json_integer(f->todstbytecnt));
    json_object_set_new(hjs, "bytes_toclient",
                        json_integer(f->tosrcbytecnt));

    char timebuf1[64], timebuf2[64];

    CreateIsoTimeString(&f->startts, timebuf1, sizeof(timebuf1));
    CreateIsoTimeString(&f->lastts, timebuf2, sizeof(timebuf2));

    json_object_set_new(hjs, "start", json_string(timebuf1));
    json_object_set_new(hjs, "end", json_string(timebuf2));

    int32_t age = f->lastts.tv_sec - f->startts.tv_sec;
    json_object_set_new(hjs, "age",
                        json_integer(age));

    if (f->flow_end_flags & FLOW_END_FLAG_EMERGENCY)
        json_object_set_new(hjs, "emergency", json_true());
    const char *state = NULL;
    if (f->flow_end_flags & FLOW_END_FLAG_STATE_NEW)
        state = "new";
    else if (f->flow_end_flags & FLOW_END_FLAG_STATE_ESTABLISHED)
        state = "established";
    else if (f->flow_end_flags & FLOW_END_FLAG_STATE_CLOSED)
        state = "closed";

    json_object_set_new(hjs, "state",
                        json_string(state));

    const char *reason = NULL;
    if (f->flow_end_flags & FLOW_END_FLAG_TIMEOUT)
        reason = "timeout";
    else if (f->flow_end_flags & FLOW_END_FLAG_FORCED)
        reason = "forced";
    else if (f->flow_end_flags & FLOW_END_FLAG_SHUTDOWN)
        reason = "shutdown";

    json_object_set_new(hjs, "reason",
                        json_string(reason));

    json_object_set_new(js, "flow", hjs);


    /* TCP */
    if (f->proto == IPPROTO_TCP) {
        json_t *tjs = json_object();
        if (tjs == NULL) {
            return;
        }

        TcpSession *ssn = f->protoctx;

        char hexflags[3] = "";
        snprintf(hexflags, sizeof(hexflags), "%02x",
                 ssn ? ssn->tcp_packet_flags : 0);
        json_object_set_new(tjs, "tcp_flags", json_string(hexflags));

        snprintf(hexflags, sizeof(hexflags), "%02x",
                 ssn ? ssn->client.tcp_flags : 0);
        json_object_set_new(tjs, "tcp_flags_ts", json_string(hexflags));

        snprintf(hexflags, sizeof(hexflags), "%02x",
                 ssn ? ssn->server.tcp_flags : 0);
        json_object_set_new(tjs, "tcp_flags_tc", json_string(hexflags));

        JsonTcpFlags(ssn ? ssn->tcp_packet_flags : 0, tjs);

        if (ssn) {
            char *state = NULL;
            switch (ssn->state) {
            case TCP_NONE:
                state = "none";
                break;
            case TCP_LISTEN:
                state = "listen";
                break;
            case TCP_SYN_SENT:
                state = "syn_sent";
                break;
            case TCP_SYN_RECV:
                state = "syn_recv";
                break;
            case TCP_ESTABLISHED:
                state = "established";
                break;
            case TCP_FIN_WAIT1:
                state = "fin_wait1";
                break;
            case TCP_FIN_WAIT2:
                state = "fin_wait2";
                break;
            case TCP_TIME_WAIT:
                state = "time_wait";
                break;
            case TCP_LAST_ACK:
                state = "last_ack";
                break;
            case TCP_CLOSE_WAIT:
                state = "close_wait";
                break;
            case TCP_CLOSING:
                state = "closing";
                break;
            case TCP_CLOSED:
                state = "closed";
                break;
            }
            json_object_set_new(tjs, "state", json_string(state));
        }

        json_object_set_new(js, "tcp", tjs);
    }
}
Example #10
0
json_t *CreateJSONHeader(const Packet *p, enum OutputJsonLogDirection dir,
                         const char *event_type)
{
    char timebuf[64];
    const Flow *f = (const Flow *)p->flow;

    json_t *js = json_object();
    if (unlikely(js == NULL))
        return NULL;

    CreateIsoTimeString(&p->ts, timebuf, sizeof(timebuf));

    /* time & tx */
    json_object_set_new(js, "timestamp", json_string(timebuf));

    CreateJSONFlowId(js, f);

    /* sensor id */
    if (sensor_id >= 0)
        json_object_set_new(js, "sensor_id", json_integer(sensor_id));

    /* input interface */
    if (p->livedev) {
        json_object_set_new(js, "in_iface", json_string(p->livedev->dev));
    }

    /* pcap_cnt */
    if (p->pcap_cnt != 0) {
        json_object_set_new(js, "pcap_cnt", json_integer(p->pcap_cnt));
    }

    if (event_type) {
        json_object_set_new(js, "event_type", json_string(event_type));
    }

    /* vlan */
    if (p->vlan_idx > 0) {
        json_t *js_vlan = json_array();
        if (js_vlan) {
            json_array_append_new(js_vlan, json_integer(p->vlan_id[0]));
            if (p->vlan_idx > 1) {
                json_array_append_new(js_vlan, json_integer(p->vlan_id[1]));
            }
            json_object_set_new(js, "vlan", js_vlan);
        }
    }

    /* 5-tuple */
    JsonFiveTuple(p, dir, js);

    /* icmp */
    switch (p->proto) {
        case IPPROTO_ICMP:
            if (p->icmpv4h) {
                json_object_set_new(js, "icmp_type",
                                    json_integer(p->icmpv4h->type));
                json_object_set_new(js, "icmp_code",
                                    json_integer(p->icmpv4h->code));
            }
            break;
        case IPPROTO_ICMPV6:
            if (p->icmpv6h) {
                json_object_set_new(js, "icmp_type",
                                    json_integer(p->icmpv6h->type));
                json_object_set_new(js, "icmp_code",
                                    json_integer(p->icmpv6h->code));
            }
            break;
    }

    return js;
}