C++ SCFree函数代码示例

/**
 * \brief Init function for RecievePfring.
 *
 * This is a setup function for recieving packets
 * via libpfring.
 *
 * \param tv pointer to ThreadVars
 * \param initdata pointer to the interface passed from the user
 * \param data pointer gets populated with PfringThreadVars
 * \todo add a config option for setting cluster id
 * \todo Create a general pfring setup function.
 * \retval TM_ECODE_OK on success
 * \retval TM_ECODE_FAILED on error
 */
TmEcode ReceivePfringThreadInit(ThreadVars *tv, void *initdata, void **data)
{
    int rc;
    u_int32_t version = 0;
    PfringIfaceConfig *pfconf = (PfringIfaceConfig *) initdata;
    unsigned int opflag;


    if (pfconf == NULL)
        return TM_ECODE_FAILED;

    PfringThreadVars *ptv = SCMalloc(sizeof(PfringThreadVars));
    if (unlikely(ptv == NULL)) {
        pfconf->DerefFunc(pfconf);
        return TM_ECODE_FAILED;
    }
    memset(ptv, 0, sizeof(PfringThreadVars));

    ptv->tv = tv;
    ptv->threads = 1;

    ptv->interface = SCStrdup(pfconf->iface);
    if (unlikely(ptv->interface == NULL)) {
        SCLogError(SC_ERR_MEM_ALLOC, "Unable to allocate device string");
        SCFree(ptv);
        SCReturnInt(TM_ECODE_FAILED);
    }

    ptv->livedev = LiveGetDevice(pfconf->iface);
    if (ptv->livedev == NULL) {
        SCLogError(SC_ERR_INVALID_VALUE, "Unable to find Live device");
        SCFree(ptv);
        SCReturnInt(TM_ECODE_FAILED);
    }

    ptv->checksum_mode = pfconf->checksum_mode;

    opflag = PF_RING_REENTRANT | PF_RING_PROMISC;

    /* if suri uses VLAN and if we have a recent kernel, we need
     * to use parsed_pkt to get VLAN info */
    if ((! ptv->vlan_disabled) && SCKernelVersionIsAtLeast(3, 0)) {
        opflag |= PF_RING_LONG_HEADER;
    }

    if (ptv->checksum_mode == CHECKSUM_VALIDATION_RXONLY) {
        if (strncmp(ptv->interface, "dna", 3) == 0) {
            SCLogWarning(SC_ERR_INVALID_VALUE,
                         "Can't use rxonly checksum-checks on DNA interface,"
                         " resetting to auto");
            ptv->checksum_mode = CHECKSUM_VALIDATION_AUTO;
        } else {
            opflag |= PF_RING_LONG_HEADER;
        }
    }

    ptv->pd = pfring_open(ptv->interface, (uint32_t)default_packet_size, opflag);
    if (ptv->pd == NULL) {
        SCLogError(SC_ERR_PF_RING_OPEN,"Failed to open %s: pfring_open error."
                " Check if %s exists and pf_ring module is loaded.",
                ptv->interface,
                ptv->interface);
        pfconf->DerefFunc(pfconf);
        SCFree(ptv);
        return TM_ECODE_FAILED;
    } else {
        pfring_set_application_name(ptv->pd, PROG_NAME);
        pfring_version(ptv->pd, &version);
    }

    /* We only set cluster info if the number of pfring threads is greater than 1 */
    ptv->threads = pfconf->threads;

    ptv->cluster_id = pfconf->cluster_id;

    if ((ptv->threads == 1) && (strncmp(ptv->interface, "dna", 3) == 0)) {
        SCLogInfo("DNA interface detected, not adding thread to cluster");
    } else if (strncmp(ptv->interface, "zc", 2) == 0) {
        SCLogInfo("ZC interface detected, not adding thread to cluster");
    } else {
        ptv->ctype = pfconf->ctype;
        rc = pfring_set_cluster(ptv->pd, ptv->cluster_id, ptv->ctype);

        if (rc != 0) {
            SCLogError(SC_ERR_PF_RING_SET_CLUSTER_FAILED, "pfring_set_cluster "
                    "returned %d for cluster-id: %d", rc, ptv->cluster_id);
//.........这里部分代码省略.........

static int
ProfilingGenericTicksTest01(void) {
#define TEST_RUNS 1024
    uint64_t ticks_start = 0;
    uint64_t ticks_end = 0;
    void *ptr[TEST_RUNS];
    int i;

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        ptr[i] = SCMalloc(1024);
    }
    ticks_end = UtilCpuGetTicks();
    printf("malloc(1024) %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCFree(ptr[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCFree(1024) %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    SCMutex m[TEST_RUNS];

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCMutexInit(&m[i], NULL);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCMutexInit() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCMutexLock(&m[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCMutexLock() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCMutexUnlock(&m[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCMutexUnlock() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCMutexDestroy(&m[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCMutexDestroy() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    SCSpinlock s[TEST_RUNS];

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCSpinInit(&s[i], 0);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCSpinInit() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCSpinLock(&s[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCSpinLock() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCSpinUnlock(&s[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCSpinUnlock() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCSpinDestroy(&s[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCSpinDestroy() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    SC_ATOMIC_DECL_AND_INIT(unsigned int, test);
    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        (void) SC_ATOMIC_ADD(test,1);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SC_ATOMIC_ADD %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SC_ATOMIC_CAS(&test,i,i+1);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SC_ATOMIC_CAS %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
    return 1;
}

//.........这里部分代码省略.........
                                        DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_FILEDATA],
                                        DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HHDMATCH],
                                        DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HRHDMATCH],
                                        DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HMDMATCH],
                                        DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HCDMATCH],
                                        DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH],
                                        DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HSMDMATCH],
                                        DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HSCDMATCH],
                                        DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
                                        DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH],
                                        DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HRHHDMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_UMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HCBDMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_FILEDATA],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HHDMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HRHDMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HMDMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HCDMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HSMDMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HSCDMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH],
                                        DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HRHHDMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_UMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HCBDMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_FILEDATA],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HHDMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HRHDMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HMDMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HCDMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HSMDMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HSCDMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH],
                                        DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HRHHDMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_UMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HCBDMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_FILEDATA],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HHDMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HRHDMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HMDMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HCDMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HSMDMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HSCDMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH],
                                        DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HRHHDMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_UMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HCBDMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_FILEDATA],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HHDMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HRHDMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HMDMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HCDMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HSMDMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HSCDMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH],
                                        DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HRHHDMATCH]);
        if (pm == NULL) {
            sm_list = DETECT_SM_LIST_PMATCH;
        }
        else {
            sm_list = SigMatchListSMBelongsTo(s, pm);
            if (sm_list < 0) {
                goto error;
            }
        }
    }

    sm = SigMatchAlloc();
    if (sm == NULL) {
        goto error;
    }
    sm->type = DETECT_BASE64_DECODE;
    sm->ctx = (SigMatchCtx *)data;
    SigMatchAppendSMToList(s, sm, sm_list);

    if (!data->bytes) {
        data->bytes = BASE64_DECODE_MAX;
    }
    if (data->bytes > de_ctx->base64_decode_max_len) {
        de_ctx->base64_decode_max_len = data->bytes;
    }

    return 0;
error:
    if (data != NULL) {
        SCFree(data);
    }
    return -1;
}

TmEcode ReceivePcapFileThreadInit(ThreadVars *tv, void *initdata, void **data) {
    SCEnter();
    char *tmpbpfstring = NULL;
    char *tmpstring = NULL;
    if (initdata == NULL) {
        SCLogError(SC_ERR_INVALID_ARGUMENT, "error: initdata == NULL");
        SCReturnInt(TM_ECODE_FAILED);
    }

    SCLogInfo("reading pcap file %s", (char *)initdata);

    PcapFileThreadVars *ptv = SCMalloc(sizeof(PcapFileThreadVars));
    if (unlikely(ptv == NULL))
        SCReturnInt(TM_ECODE_FAILED);
    memset(ptv, 0, sizeof(PcapFileThreadVars));

    char errbuf[PCAP_ERRBUF_SIZE] = "";
    pcap_g.pcap_handle = pcap_open_offline((char *)initdata, errbuf);
    if (pcap_g.pcap_handle == NULL) {
        SCLogError(SC_ERR_FOPEN, "%s\n", errbuf);
        SCFree(ptv);
        if (! RunModeUnixSocketIsActive()) {
            return TM_ECODE_FAILED;
        } else {
            UnixSocketPcapFile(TM_ECODE_FAILED);
            SCReturnInt(TM_ECODE_DONE);
        }
    }

    if (ConfGet("bpf-filter", &tmpbpfstring) != 1) {
        SCLogDebug("could not get bpf or none specified");
    } else {
        SCLogInfo("using bpf-filter \"%s\"", tmpbpfstring);

        if(pcap_compile(pcap_g.pcap_handle,&pcap_g.filter,tmpbpfstring,1,0) < 0) {
            SCLogError(SC_ERR_BPF,"bpf compilation error %s",pcap_geterr(pcap_g.pcap_handle));
            SCFree(ptv);
            return TM_ECODE_FAILED;
        }

        if(pcap_setfilter(pcap_g.pcap_handle,&pcap_g.filter) < 0) {
            SCLogError(SC_ERR_BPF,"could not set bpf filter %s",pcap_geterr(pcap_g.pcap_handle));
            SCFree(ptv);
            return TM_ECODE_FAILED;
        }
    }

    pcap_g.datalink = pcap_datalink(pcap_g.pcap_handle);
    SCLogDebug("datalink %" PRId32 "", pcap_g.datalink);

    switch(pcap_g.datalink) {
        case LINKTYPE_LINUX_SLL:
            pcap_g.Decoder = DecodeSll;
            break;
        case LINKTYPE_ETHERNET:
            pcap_g.Decoder = DecodeEthernet;
            break;
        case LINKTYPE_PPP:
            pcap_g.Decoder = DecodePPP;
            break;
        case LINKTYPE_RAW:
            pcap_g.Decoder = DecodeRaw;
            break;

        default:
            SCLogError(SC_ERR_UNIMPLEMENTED, "datalink type %" PRId32 " not "
                      "(yet) supported in module PcapFile.\n", pcap_g.datalink);
            SCFree(ptv);
            if (! RunModeUnixSocketIsActive()) {
                SCReturnInt(TM_ECODE_FAILED);
            } else {
                pcap_close(pcap_g.pcap_handle);
                pcap_g.pcap_handle = NULL;
                UnixSocketPcapFile(TM_ECODE_DONE);
                SCReturnInt(TM_ECODE_DONE);
            }
    }

    if (ConfGet("pcap-file.checksum-checks", &tmpstring) != 1) {
        pcap_g.conf_checksum_mode = CHECKSUM_VALIDATION_AUTO;
    } else {
        if (strcmp(tmpstring, "auto") == 0) {
            pcap_g.conf_checksum_mode = CHECKSUM_VALIDATION_AUTO;
        } else if (strcmp(tmpstring, "yes") == 0) {
            pcap_g.conf_checksum_mode = CHECKSUM_VALIDATION_ENABLE;
        } else if (strcmp(tmpstring, "no") == 0) {
            pcap_g.conf_checksum_mode = CHECKSUM_VALIDATION_DISABLE;
        }
    }
    pcap_g.checksum_mode = pcap_g.conf_checksum_mode;

    ptv->tv = tv;
    *data = (void *)ptv;
    SCReturnInt(TM_ECODE_OK);
}

static void OutputFileLogDeinitSub(OutputCtx *output_ctx)
{
    OutputFileCtx *ff_ctx = output_ctx->data;
    SCFree(ff_ctx);
    SCFree(output_ctx);
}

//.........这里部分代码省略.........
    /* Count the amount of memory needed to store all the structures
     * and the content of those structures. This will over estimate the
     * true size, since duplicates are removed below, but counted here.
     */
    for (s = de_ctx->sig_list; s != NULL; s = s->next) {
        RetrieveFPForSig(s);
        if (s->mpm_sm != NULL) {
            DetectContentData *cd = (DetectContentData *)s->mpm_sm->ctx;
            struct_total_size += sizeof(DetectFPAndItsId);
            content_total_size += cd->content_len;
        }
    }

    /* array hash buffer - i've run out of ideas to name it */
    uint8_t *ahb = SCMalloc(sizeof(uint8_t) * (struct_total_size + content_total_size));
    if (unlikely(ahb == NULL))
        return -1;

    uint8_t *content = NULL;
    uint8_t content_len = 0;
    PatIntId max_id = 0;
    DetectFPAndItsId *struct_offset = (DetectFPAndItsId *)ahb;
    uint8_t *content_offset = ahb + struct_total_size;
    for (s = de_ctx->sig_list; s != NULL; s = s->next) {
        if (s->mpm_sm != NULL) {
            int sm_list = SigMatchListSMBelongsTo(s, s->mpm_sm);
            BUG_ON(sm_list == -1);

            DetectContentData *cd = (DetectContentData *)s->mpm_sm->ctx;
            DetectFPAndItsId *dup = (DetectFPAndItsId *)ahb;
            if (cd->flags & DETECT_CONTENT_FAST_PATTERN_CHOP) {
                content = cd->content + cd->fp_chop_offset;
                content_len = cd->fp_chop_len;
            } else {
                content = cd->content;
                content_len = cd->content_len;
            }
            uint32_t flags = cd->flags & DETECT_CONTENT_NOCASE;
            /* Check for content already found on the same list */
            for (; dup != struct_offset; dup++) {
                if (dup->content_len != content_len)
                    continue;
                if (dup->sm_list != sm_list)
                    continue;
                if (dup->flags != flags)
                    continue;
                /* Check for pattern matching a duplicate. Use case insensitive matching
                 * for case insensitive patterns. */
                if (flags & DETECT_CONTENT_NOCASE) {
                    if (SCMemcmpLowercase(dup->content, content, content_len) != 0)
                        continue;
                } else {
                    /* Case sensitive matching */
                    if (SCMemcmp(dup->content, content, content_len) != 0)
                        continue;
                }
                /* Found a match with a previous pattern. */
                break;
            }
            if (dup != struct_offset) {
              /* Exited for-loop before the end, so found an existing match.
               * Use its ID. */
                cd->id = dup->id;
                continue;
            }

            /* Not found, so new content. Give it a new ID and add it
             * to the array.  Copy the content at the end of the
             * content array.
             */
            struct_offset->id = max_id++;
            cd->id = struct_offset->id;
            struct_offset->content_len = content_len;
            struct_offset->sm_list = sm_list;
            struct_offset->content = content_offset;
            struct_offset->flags = flags;

            content_offset += content_len;

            if (flags & DETECT_CONTENT_NOCASE) {
              /* Need to store case-insensitive patterns as lower case
               * because SCMemcmpLowercase() above assumes that all
               * patterns are stored lower case so that it doesn't
               * need to relower its first argument.
               */
              memcpy_tolower(struct_offset->content, content, content_len);
            } else {
              memcpy(struct_offset->content, content, content_len);
            }

            struct_offset++;
        } /* if (s->mpm_sm != NULL) */
    } /* for */

    de_ctx->max_fp_id = max_id;

    SCFree(ahb);

    return 0;
}

//.........这里部分代码省略.........
    p->payload_len = 0;
    p->proto = IPPROTO_TCP;

    FLOW_INITIALIZE(&f);
    f.src.address.address_un_data32[0]=0x04030201;
    f.protoctx =(void *)&ssn;

    p->flow = &f;
    p->flowflags |= FLOW_PKT_TOSERVER;
    p->flowflags |= FLOW_PKT_ESTABLISHED;
    p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
    f.alproto = ALPROTO_FTP;

    StreamTcpInitConfig(TRUE);

    DetectEngineCtx *de_ctx = DetectEngineCtxInit();
    if (de_ctx == NULL) {
        goto end;
    }

    de_ctx->flags |= DE_QUIET;

    s = de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any "
                                   "(msg:\"Ftp Bounce\"; ftpbounce; sid:1;)");
    if (s == NULL) {
        goto end;
    }

    SigGroupBuild(de_ctx);
    DetectEngineThreadCtxInit(&th_v,(void *)de_ctx,(void *)&det_ctx);

    SCMutexLock(&f.m);
    int r = AppLayerParse(NULL, &f, ALPROTO_FTP, STREAM_TOSERVER, ftpbuf1, ftplen1);
    if (r != 0) {
        SCLogDebug("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
        result = 0;
        SCMutexUnlock(&f.m);
        goto end;
    }

    r = AppLayerParse(NULL, &f,ALPROTO_FTP, STREAM_TOSERVER, ftpbuf2, ftplen2);
    if (r != 0) {
        SCLogDebug("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
        result = 0;
        SCMutexUnlock(&f.m);
        goto end;
    }

    r = AppLayerParse(NULL, &f,ALPROTO_FTP, STREAM_TOSERVER, ftpbuf3, ftplen3);
    if (r != 0) {
        SCLogDebug("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
        result = 0;
        SCMutexUnlock(&f.m);
        goto end;
    }

    r = AppLayerParse(NULL, &f,ALPROTO_FTP, STREAM_TOSERVER, ftpbuf4, ftplen4);
    if (r != 0) {
        SCLogDebug("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
        result = 0;
        SCMutexUnlock(&f.m);
        goto end;
    }
    SCMutexUnlock(&f.m);

    FtpState *ftp_state = f.alstate;
    if (ftp_state == NULL) {
        SCLogDebug("no ftp state: ");
        result = 0;
        goto end;
    }

    if (ftp_state->command != FTP_COMMAND_PORT) {
        SCLogDebug("expected command port not detected");
        result = 0;
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);

    /* It should not match */
    if (!(PacketAlertCheck(p, 1))) {
        result = 1;
    } else {
        SCLogDebug("It should not match here!");
    }

end:
    SigGroupCleanup(de_ctx);
    SigCleanSignatures(de_ctx);

    DetectEngineThreadCtxDeinit(&th_v,(void *)det_ctx);
    DetectEngineCtxFree(de_ctx);

    StreamTcpFreeConfig(TRUE);
    FLOW_DESTROY(&f);
    SCFree(p);
    return result;
}

static void DetectFilestoreFree(void *ptr) {
    if (ptr != NULL) {
        SCFree(ptr);
    }
}

/**
 * \brief This function is used to parse icmp_id option passed via icmp_id: keyword
 *
 * \param icmpidstr Pointer to the user provided icmp_id options
 *
 * \retval iid pointer to DetectIcmpIdData on success
 * \retval NULL on failure
 */
DetectIcmpIdData *DetectIcmpIdParse (char *icmpidstr) {
    DetectIcmpIdData *iid = NULL;
    char *substr[3] = {NULL, NULL, NULL};
#define MAX_SUBSTRINGS 30
    int ret = 0, res = 0;
    int ov[MAX_SUBSTRINGS];

    ret = pcre_exec(parse_regex, parse_regex_study, icmpidstr, strlen(icmpidstr), 0, 0, ov, MAX_SUBSTRINGS);
    if (ret < 1 || ret > 4) {
        SCLogError(SC_ERR_PCRE_MATCH, "Parse error %s", icmpidstr);
        goto error;
    }

    int i;
    const char *str_ptr;
    for (i = 1; i < ret; i++) {
        res = pcre_get_substring((char *)icmpidstr, ov, MAX_SUBSTRINGS, i, &str_ptr);
        if (res < 0) {
            SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
            goto error;
        }
        substr[i-1] = (char *)str_ptr;
    }

    iid = SCMalloc(sizeof(DetectIcmpIdData));
    if (unlikely(iid == NULL))
        goto error;
    iid->id = 0;

    if (substr[0]!= NULL && strlen(substr[0]) != 0) {
        if (substr[2] == NULL) {
            SCLogError(SC_ERR_INVALID_ARGUMENT, "Missing close quote in input");
            goto error;
        }
    } else {
        if (substr[2] != NULL) {
            SCLogError(SC_ERR_INVALID_ARGUMENT, "Missing open quote in input");
            goto error;
        }
    }

    /** \todo can ByteExtractStringUint16 do this? */
    uint16_t id = 0;
    if (ByteExtractStringUint16(&id, 10, 0, substr[1]) < 0) {
        SCLogError(SC_ERR_INVALID_ARGUMENT, "specified icmp id %s is not "
                                        "valid", substr[1]);
        goto error;
    }
    iid->id = htons(id);

    for (i = 0; i < 3; i++) {
        if (substr[i] != NULL) SCFree(substr[i]);
    }
    return iid;

error:
    for (i = 0; i < 3; i++) {
        if (substr[i] != NULL) SCFree(substr[i]);
    }
    if (iid != NULL) DetectIcmpIdFree(iid);
    return NULL;

}

/**
 * \brief this function will free memory associated with DetectTlsVersionData
 *
 * \param id_d pointer to DetectTlsVersionData
 */
void DetectTlsVersionFree(void *ptr)
{
    DetectTlsVersionData *id_d = (DetectTlsVersionData *)ptr;
    SCFree(id_d);
}

//.........这里部分代码省略.........
        if (ret > 1) {
            const char *str_ptr;
            res = pcre_get_substring((char *)str, ov, MAX_SUBSTRINGS, 1, &str_ptr);
            if (res < 0) {
                SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
                goto error;
            }
            args[0] = (char *)str_ptr;

            if (ret > 2) {
                res = pcre_get_substring((char *)str, ov, MAX_SUBSTRINGS, 2, &str_ptr);
                if (res < 0) {
                    SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
                    goto error;
                }
                args[1] = (char *)str_ptr;
            }
            if (ret > 3) {
                res = pcre_get_substring((char *)str, ov, MAX_SUBSTRINGS, 3, &str_ptr);
                if (res < 0) {
                    SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
                    goto error;
                }
                args[2] = (char *)str_ptr;
            }
        }

        fd = SCMalloc(sizeof(DetectFilestoreData));
        if (unlikely(fd == NULL))
            goto error;
        memset(fd, 0x00, sizeof(DetectFilestoreData));

        if (args[0] != NULL) {
            SCLogDebug("first arg %s", args[0]);

            if (strcasecmp(args[0], "request") == 0 ||
                    strcasecmp(args[0], "to_server") == 0)
            {
                fd->direction = FILESTORE_DIR_TOSERVER;
                fd->scope = FILESTORE_SCOPE_TX;
            }
            else if (strcasecmp(args[0], "response") == 0 ||
                    strcasecmp(args[0], "to_client") == 0)
            {
                fd->direction = FILESTORE_DIR_TOCLIENT;
                fd->scope = FILESTORE_SCOPE_TX;
            }
            else if (strcasecmp(args[0], "both") == 0)
            {
                fd->direction = FILESTORE_DIR_BOTH;
                fd->scope = FILESTORE_SCOPE_TX;
            }
        } else {
            fd->direction = FILESTORE_DIR_DEFAULT;
        }

        if (args[1] != NULL) {
            SCLogDebug("second arg %s", args[1]);

            if (strcasecmp(args[1], "file") == 0)
            {
                fd->scope = FILESTORE_SCOPE_DEFAULT;
            } else if (strcasecmp(args[1], "tx") == 0)
            {
                fd->scope = FILESTORE_SCOPE_TX;
            } else if (strcasecmp(args[1], "ssn") == 0 ||
                       strcasecmp(args[1], "flow") == 0)
            {
                fd->scope = FILESTORE_SCOPE_SSN;
            }
        } else {
            if (fd->scope == 0)
                fd->scope = FILESTORE_SCOPE_DEFAULT;
        }

        sm->ctx = fd;
    } else {
        sm->ctx = NULL;
    }

    SigMatchAppendSMToList(s, sm, DETECT_SM_LIST_FILEMATCH);
    s->filestore_sm = sm;

    if (s->alproto != ALPROTO_UNKNOWN && s->alproto != ALPROTO_HTTP) {
        SCLogError(SC_ERR_CONFLICTING_RULE_KEYWORDS, "rule contains conflicting keywords.");
        goto error;
    }

    AppLayerHtpNeedFileInspection();

    s->alproto = ALPROTO_HTTP;

    s->flags |= SIG_FLAG_FILESTORE;
    return 0;

error:
    if (sm != NULL)
        SCFree(sm);
    return -1;
}

/**
 * \brief This function is used to parse IPV4 ip_id passed via keyword: "id"
 *
 * \param idstr Pointer to the user provided id option
 *
 * \retval id_d pointer to DetectTlsVersionData on success
 * \retval NULL on failure
 */
DetectTlsVersionData *DetectTlsVersionParse (char *str)
{
    uint16_t temp;
    DetectTlsVersionData *tls = NULL;
	#define MAX_SUBSTRINGS 30
    int ret = 0, res = 0;
    int ov[MAX_SUBSTRINGS];

    ret = pcre_exec(parse_regex, parse_regex_study, str, strlen(str), 0, 0,
                    ov, MAX_SUBSTRINGS);

    if (ret < 1 || ret > 3) {
        SCLogError(SC_ERR_PCRE_MATCH, "invalid tls.version option");
        goto error;
    }

    if (ret > 1) {
        const char *str_ptr;
        char *orig;
        char *tmp_str;
        res = pcre_get_substring((char *)str, ov, MAX_SUBSTRINGS, 1, &str_ptr);
        if (res < 0) {
            SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
            goto error;
        }

        /* We have a correct id option */
        tls = SCMalloc(sizeof(DetectTlsVersionData));
        if (unlikely(tls == NULL))
            goto error;

        orig = SCStrdup((char*)str_ptr);
        if (unlikely(orig == NULL)) {
            goto error;
        }
        tmp_str=orig;

        /* Let's see if we need to scape "'s */
        if (tmp_str[0] == '"')
        {
            tmp_str[strlen(tmp_str) - 1] = '\0';
            tmp_str += 1;
        }

        if (strcmp("1.0", tmp_str) == 0) {
            temp = TLS_VERSION_10;
        } else if (strcmp("1.1", tmp_str) == 0) {
            temp = TLS_VERSION_11;
        } else if (strcmp("1.2", tmp_str) == 0) {
            temp = TLS_VERSION_12;
        } else {
            SCLogError(SC_ERR_INVALID_VALUE, "Invalid value");
            SCFree(orig);
            goto error;
        }

        tls->ver = temp;

        SCFree(orig);

        SCLogDebug("will look for tls %"PRIu8"", tls->ver);
    }

    return tls;

error:
    if (tls != NULL)
        DetectTlsVersionFree(tls);
    return NULL;

}

int DetectOffsetSetup (DetectEngineCtx *de_ctx, Signature *s, char *offsetstr)
{
    char *str = offsetstr;
    char dubbed = 0;
    SigMatch *pm = NULL;
    int ret = -1;

    /* strip "'s */
   if (offsetstr[0] == '\"' && offsetstr[strlen(offsetstr)-1] == '\"') {
        str = SCStrdup(offsetstr+1);
        if (unlikely(str == NULL))
            goto end;
        str[strlen(offsetstr) - 2] = '\0';
        dubbed = 1;
    }

    /* retrive the sm to apply the depth against */
    if (s->list != DETECT_SM_LIST_NOTSET) {
        pm = SigMatchGetLastSMFromLists(s, 2, DETECT_CONTENT, s->sm_lists_tail[s->list]);
    } else {
        pm =  SigMatchGetLastSMFromLists(s, 28,
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_UMATCH],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HCBDMATCH],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_FILEDATA],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HHDMATCH],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HRHDMATCH],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HMDMATCH],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HCDMATCH],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HSCDMATCH],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HSMDMATCH],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH],
                                         DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HRHHDMATCH]);
    }
    if (pm == NULL) {
        SCLogError(SC_ERR_OFFSET_MISSING_CONTENT, "offset needs "
                   "preceding content, uricontent option, http_client_body, "
                   "http_server_body, http_header option, http_raw_header option, "
                   "http_method option, http_cookie, http_raw_uri, "
                   "http_stat_msg, http_stat_code, http_user_agent or "
                   "file_data/dce_stub_data sticky buffer options");
        goto end;
    }


    /* verify other conditions */
    DetectContentData *cd = (DetectContentData *)pm->ctx;

    if (cd->flags & DETECT_CONTENT_OFFSET) {
        SCLogError(SC_ERR_INVALID_SIGNATURE, "can't use multiple offsets for the same content. ");
        goto end;
    }
    if ((cd->flags & DETECT_CONTENT_WITHIN) || (cd->flags & DETECT_CONTENT_DISTANCE)) {
        SCLogError(SC_ERR_INVALID_SIGNATURE, "can't use a relative "
                   "keyword like within/distance with a absolute "
                   "relative keyword like depth/offset for the same "
                   "content." );
        goto end;
    }
    if (cd->flags & DETECT_CONTENT_NEGATED && cd->flags & DETECT_CONTENT_FAST_PATTERN) {
        SCLogError(SC_ERR_INVALID_SIGNATURE, "can't have a relative "
                   "negated keyword set along with a fast_pattern");
        goto end;
    }
    if (cd->flags & DETECT_CONTENT_FAST_PATTERN_ONLY) {
        SCLogError(SC_ERR_INVALID_SIGNATURE, "can't have a relative "
                   "keyword set along with a fast_pattern:only;");
        goto end;
    }
    if (str[0] != '-' && isalpha((unsigned char)str[0])) {
        SigMatch *bed_sm =
            DetectByteExtractRetrieveSMVar(str, s);
        if (bed_sm == NULL) {
            SCLogError(SC_ERR_INVALID_SIGNATURE, "unknown byte_extract var "
                       "seen in offset - %s\n", str);
            goto end;
        }
        cd->offset = ((DetectByteExtractData *)bed_sm->ctx)->local_id;
        cd->flags |= DETECT_CONTENT_OFFSET_BE;
    } else {
        cd->offset = (uint32_t)atoi(str);
        if (cd->depth != 0) {
            if (cd->depth < cd->content_len) {
                SCLogDebug("depth increased to %"PRIu32" to match pattern len",
                           cd->content_len);
                cd->depth = cd->content_len;
            }
            /* Updating the depth as is relative to the offset */
            cd->depth += cd->offset;
        }
    }
    cd->flags |= DETECT_CONTENT_OFFSET;

    ret = 0;
 end:
    if (dubbed)
        SCFree(str);
    return ret;
//.........这里部分代码省略.........

/**
 * \brief Create a new LogFileCtx for "fast" output style.
 * \param conf The configuration node for this output.
 * \return A LogFileCtx pointer on success, NULL on failure.
 */
OutputCtx *OutputJsonInitCtx(ConfNode *conf)
{
    OutputJsonCtx *json_ctx = SCCalloc(1, sizeof(OutputJsonCtx));;

    const char *sensor_name = ConfNodeLookupChildValue(conf, "sensor-name");

    if (unlikely(json_ctx == NULL)) {
        SCLogDebug("AlertJsonInitCtx: Could not create new LogFileCtx");
        return NULL;
    }

    json_ctx->file_ctx = LogFileNewCtx();
    if (unlikely(json_ctx->file_ctx == NULL)) {
        SCLogDebug("AlertJsonInitCtx: Could not create new LogFileCtx");
        SCFree(json_ctx);
        return NULL;
    }

    if (sensor_name) {
        json_ctx->file_ctx->sensor_name = SCStrdup(sensor_name);
        if (json_ctx->file_ctx->sensor_name  == NULL) {
            LogFileFreeCtx(json_ctx->file_ctx);
            SCFree(json_ctx);
            return NULL;
        }
    } else {
        json_ctx->file_ctx->sensor_name = NULL;
    }

    OutputCtx *output_ctx = SCCalloc(1, sizeof(OutputCtx));
    if (unlikely(output_ctx == NULL)) {
        LogFileFreeCtx(json_ctx->file_ctx);
        SCFree(json_ctx);
        return NULL;
    }

    output_ctx->data = json_ctx;
    output_ctx->DeInit = OutputJsonDeInitCtx;

    if (conf) {
        const char *output_s = ConfNodeLookupChildValue(conf, "filetype");

        // Backwards compatibility
        if (output_s == NULL) {
            output_s = ConfNodeLookupChildValue(conf, "type");
        }

        if (output_s != NULL) {
            if (strcmp(output_s, "file") == 0 ||
                strcmp(output_s, "regular") == 0) {
                json_ctx->json_out = LOGFILE_TYPE_FILE;
            } else if (strcmp(output_s, "syslog") == 0) {
                json_ctx->json_out = LOGFILE_TYPE_SYSLOG;
            } else if (strcmp(output_s, "unix_dgram") == 0) {
                json_ctx->json_out = LOGFILE_TYPE_UNIX_DGRAM;
            } else if (strcmp(output_s, "unix_stream") == 0) {
                json_ctx->json_out = LOGFILE_TYPE_UNIX_STREAM;
            } else if (strcmp(output_s, "redis") == 0) {
#ifdef HAVE_LIBHIREDIS
                json_ctx->json_out = LOGFILE_TYPE_REDIS;
#else
                SCLogError(SC_ERR_INVALID_ARGUMENT,
                           "redis JSON output option is not compiled");
                exit(EXIT_FAILURE);
#endif
            } else {
                SCLogError(SC_ERR_INVALID_ARGUMENT,
                           "Invalid JSON output option: %s", output_s);
                exit(EXIT_FAILURE);
            }
        }

        const char *prefix = ConfNodeLookupChildValue(conf, "prefix");
        if (prefix != NULL)
        {
            SCLogInfo("Using prefix '%s' for JSON messages", prefix);
            json_ctx->file_ctx->prefix = SCStrdup(prefix);
            if (json_ctx->file_ctx->prefix == NULL)
            {
                SCLogError(SC_ERR_MEM_ALLOC,
                    "Failed to allocate memory for eve-log.prefix setting.");
                exit(EXIT_FAILURE);
            }
            json_ctx->file_ctx->prefix_len = strlen(prefix);
        }

        if (json_ctx->json_out == LOGFILE_TYPE_FILE ||
            json_ctx->json_out == LOGFILE_TYPE_UNIX_DGRAM ||
            json_ctx->json_out == LOGFILE_TYPE_UNIX_STREAM)
        {
            if (SCConfLogOpenGeneric(conf, json_ctx->file_ctx, DEFAULT_LOG_FILENAME, 1) < 0) {
                LogFileFreeCtx(json_ctx->file_ctx);
                SCFree(json_ctx);
                SCFree(output_ctx);
                return NULL;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
    };
    uint8_t raw_frag2[] = {
        0x60, 0x0f, 0x1a, 0xcf, 0x00, 0x1c, 0x2c, 0x36, 0x20, 0x01, 0x04, 0x70, 0x00, 0x01, 0x00, 0x18,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x20, 0x01, 0x09, 0x80, 0x32, 0xb2, 0x00, 0x01,
        0x2e, 0x41, 0x38, 0xff, 0xfe, 0xa7, 0xea, 0xeb, 0x06, 0x00, 0x05, 0xa0, 0xdf, 0xf8, 0x11, 0xd7,
        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
        0x20, 0x20, 0x20, 0x20,
    };
    Packet *pkt;
    Packet *p1 = PacketGetFromAlloc();
    if (unlikely(p1 == NULL))
        return 0;
    Packet *p2 = PacketGetFromAlloc();
    if (unlikely(p2 == NULL)) {
        SCFree(p1);
        return 0;
    }
    ThreadVars tv;
    DecodeThreadVars dtv;
    int result = 0;
    PacketQueue pq;

    FlowInitConfig(FLOW_QUIET);
    DefragInit();

    memset(&pq, 0, sizeof(PacketQueue));
    memset(&tv, 0, sizeof(ThreadVars));
    memset(&dtv, 0, sizeof(DecodeThreadVars));

    PacketCopyData(p1, raw_frag1, sizeof(raw_frag1));
    PacketCopyData(p2, raw_frag2, sizeof(raw_frag2));

    DecodeIPV6(&tv, &dtv, p1, GET_PKT_DATA(p1), GET_PKT_LEN(p1), &pq);

    if (!(IPV6_EXTHDR_ISSET_FH(p1))) {
        printf("ipv6 frag header not detected: ");
        goto end;
    }

    DecodeIPV6(&tv, &dtv, p2, GET_PKT_DATA(p2), GET_PKT_LEN(p2), &pq);

    if (!(IPV6_EXTHDR_ISSET_FH(p2))) {
        printf("ipv6 frag header not detected: ");
        goto end;
    }

    if (pq.len != 1) {
        printf("no reassembled packet: ");
        goto end;
    }

    result = 1;
end:
    PACKET_RECYCLE(p1);
    PACKET_RECYCLE(p2);
    SCFree(p1);
    SCFree(p2);
    pkt = PacketDequeue(&pq);
    while (pkt != NULL) {
        PACKET_RECYCLE(pkt);
        SCFree(pkt);
        pkt = PacketDequeue(&pq);
    }
    DefragDestroy();
    FlowShutdown();
    return result;
}