Ejemplo n.º 1
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;
}
Ejemplo n.º 2
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;
}