C++ PacketAlertCheck函数代码示例

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本文整理汇总了C++中PacketAlertCheck函数的典型用法代码示例。如果您正苦于以下问题：C++ PacketAlertCheck函数的具体用法？C++ PacketAlertCheck怎么用？C++ PacketAlertCheck使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了PacketAlertCheck函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: DetectFlowintTestPacket03Real

/**
 * \test DetectFlowintTestPacket03Real
 * \brief Check the behaviour of isset/notset
 */
int DetectFlowintTestPacket03Real()
{
    Packet *p = NULL;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx = NULL;
    memset(&th_v, 0, sizeof(th_v));

    DetectEngineCtx *de_ctx = DetectEngineCtxInit();
    FAIL_IF(de_ctx == NULL);

    de_ctx->flags |= DE_QUIET;

    char *sigs[3];
    sigs[0] = "alert tcp any any -> any any (msg:\"check notset\"; content:\"GET\"; flowint: myvar, notset; flowint: myvar,=,0; flowint: other,=,10; sid:101;)";
    sigs[1] = "alert tcp any any -> any any (msg:\"check isset\"; content:\"Unauthorized\"; flowint:myvar,isset; flowint: other,isset; sid:102;)";
    sigs[2] = "alert tcp any any -> any any (msg:\"check notset\"; content:\"Unauthorized\"; flowint:lala,isset; sid:103;)";
    FAIL_IF(UTHAppendSigs(de_ctx, sigs, 3) == 0);

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

    Flow *f = UTHBuildFlow(AF_INET, "192.168.1.5", "192.168.1.1",
            41424, 80);
    FAIL_IF(f == NULL);
    f->proto = IPPROTO_TCP;

    p = UTHBuildPacket((uint8_t *)"GET", 3, IPPROTO_TCP);
    FAIL_IF(p == NULL);
    p->flow = f;
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    FAIL_IF(!PacketAlertCheck(p, 101));
    UTHFreePacket(p);

    p = UTHBuildPacket((uint8_t *)"Unauthorized", 12, IPPROTO_TCP);
    FAIL_IF(p == NULL);
    p->flow = f;
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    FAIL_IF(!PacketAlertCheck(p, 102));
    FAIL_IF(PacketAlertCheck(p, 103));
    UTHFreePacket(p);

    p = UTHBuildPacket((uint8_t *)"1", 1, IPPROTO_TCP);
    FAIL_IF(p == NULL);
    p->flow = f;
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    FAIL_IF(PacketAlertCheck(p, 102));
    FAIL_IF(PacketAlertCheck(p, 103));
    UTHFreePacket(p);

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

    PASS;
}

开发者ID:thus，项目名称:suricata，代码行数:62，代码来源:detect-flowint.c

示例2: DetectIcmpIdMatchTest01

/**
 * \test DetectIcmpIdMatchTest01 is a test for checking the working of
 *       icmp_id keyword by creating 2 rules and matching a crafted packet
 *       against them. Only the first one shall trigger.
 */
int DetectIcmpIdMatchTest01 (void)
{
    int result = 0;
    Packet *p = NULL;
    Signature *s = NULL;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx = NULL;

    memset(&th_v, 0, sizeof(ThreadVars));

    p = UTHBuildPacket(NULL, 0, IPPROTO_ICMP);
    p->icmpv4vars.id = htons(21781);

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

    de_ctx->flags |= DE_QUIET;

    s = de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any (icmp_id:21781; sid:1;)");
    if (s == NULL) {
        goto end;
    }

    s = s->next = SigInit(de_ctx, "alert icmp any any -> any any (icmp_id:21782; sid:2;)");
    if (s == NULL) {
        goto end;
    }

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

    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    if (PacketAlertCheck(p, 1) == 0) {
        printf("sid 1 did not alert, but should have: ");
        goto cleanup;
    } else if (PacketAlertCheck(p, 2)) {
        printf("sid 2 alerted, but should not have: ");
        goto cleanup;
    }

    result = 1;

cleanup:
    SigGroupCleanup(de_ctx);
    SigCleanSignatures(de_ctx);

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

    UTHFreePackets(&p, 1);
end:
    return result;

}

开发者ID:BreakingTheory，项目名称:suricata，代码行数:61，代码来源:detect-icmp-id.c

示例3: DetectDetectionFilterTestSig1

/**
 * \test DetectDetectionFilterTestSig1 is a test for checking the working of detection_filter keyword
 *       by setting up the signature and later testing its working by matching
 *       the received packet against the sig.
 *
 *  \retval 1 on succces
 *  \retval 0 on failure
 */
static int DetectDetectionFilterTestSig1(void) {
    Packet *p = NULL;
    Signature *s = NULL;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx;
    int result = 0;
    int alerts = 0;

    HostInitConfig(HOST_QUIET);

    memset(&th_v, 0, sizeof(th_v));

    p = UTHBuildPacketReal(NULL, 0, IPPROTO_TCP, "1.1.1.1", "2.2.2.2", 1024, 80);

    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 80 (msg:\"detection_filter Test\"; detection_filter: track by_dst, count 4, seconds 60; sid:1;)");
    if (s == NULL) {
        goto end;
    }

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

    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts = PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);

    if(alerts == 4)
        result = 1;

    SigGroupCleanup(de_ctx);
    SigCleanSignatures(de_ctx);

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

end:
    UTHFreePackets(&p, 1);
    HostShutdown();
    return result;
}

开发者ID:javarange，项目名称:suricata，代码行数:68，代码来源:detect-detection-filter.c

示例4: UTHPacketMatchSigMpm

/**
 * \test Test if a packet match a signature given as string and a mpm_type
 * Hint: Useful for unittests with only one packet and one signature
 *
 * \param sig pointer to the string signature to test
 * \param sid sid number of the signature
 *
 * \retval return 1 if match
 * \retval return 0 if not
 */
int UTHPacketMatchSigMpm(Packet *p, char *sig, uint16_t mpm_type)
{
    SCEnter();

    int result = 0;

    DecodeThreadVars dtv;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx = NULL;

    memset(&dtv, 0, sizeof(DecodeThreadVars));
    memset(&th_v, 0, sizeof(th_v));

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

    de_ctx->flags |= DE_QUIET;
    de_ctx->mpm_matcher = mpm_type;

    de_ctx->sig_list = SigInit(de_ctx, sig);
    if (de_ctx->sig_list == NULL) {
        printf("signature == NULL: ");
        goto end;
    }

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

    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    if (PacketAlertCheck(p, de_ctx->sig_list->id) != 1) {
        printf("signature didn't alert: ");
        goto end;
    }

    result = 1;
end:
    SigGroupCleanup(de_ctx);
    SigCleanSignatures(de_ctx);

    if (det_ctx != NULL)
        DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);

    if (de_ctx != NULL)
        DetectEngineCtxFree(de_ctx);

    SCReturnInt(result);
}

开发者ID:EmergingThreats，项目名称:suricata，代码行数:60，代码来源:util-unittest-helper.c

示例5: GeoipMatchTest

/**
 * \internal
 * \brief This test tests geoip success and failure.
 */
static int GeoipMatchTest(char *rule, char *srcip, char *dstip)
{
    uint8_t *buf = (uint8_t *) "GET / HTTP/1.0\r\n\r\n";
    uint16_t buflen = strlen((char *)buf);
    Packet *p1 = NULL;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx;
    int result = 0;

    memset(&th_v, 0, sizeof(th_v));

    p1 = UTHBuildPacketSrcDst(buf, buflen, IPPROTO_TCP, srcip, dstip);

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

    de_ctx->flags |= DE_QUIET;

    de_ctx->sig_list = SigInit(de_ctx, rule);

    if (de_ctx->sig_list == NULL) {
        goto end;
    }

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

    result = 2;

    SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
    if (PacketAlertCheck(p1, 1) == 0) {
        goto cleanup;
    }

    result = 1;

cleanup:
    SigGroupCleanup(de_ctx);
    SigCleanSignatures(de_ctx);

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

end:
    return result;
}

开发者ID:prabhakaran1989，项目名称:suricata，代码行数:52，代码来源:detect-geoip.c

示例6: UTHPacketMatchSig

/**
 * \test Test if a packet match a signature given as string
 * Hint: Useful for unittests with only one packet and one signature
 *
 * \param sig pointer to the string signature to test
 * \param sid sid number of the signature
 *
 * \retval return 1 if match
 * \retval return 0 if not
 */
int UTHPacketMatchSig(Packet *p, char *sig)
{
    int result = 1;

    DecodeThreadVars dtv;

    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx = NULL;

    memset(&dtv, 0, sizeof(DecodeThreadVars));
    memset(&th_v, 0, sizeof(th_v));

    DetectEngineCtx *de_ctx = DetectEngineCtxInit();
    if (de_ctx == NULL) {
        result=0;
        goto end;
    }

    de_ctx->flags |= DE_QUIET;

    de_ctx->sig_list = SigInit(de_ctx, sig);
    if (de_ctx->sig_list == NULL) {
        result = 0;
        goto end;
    }

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

    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    if (PacketAlertCheck(p, de_ctx->sig_list->id) != 1) {
        result = 0;
        goto end;
    }

end:
    if (de_ctx) {
	SigGroupCleanup(de_ctx);
	SigCleanSignatures(de_ctx);
    }

    if (det_ctx != NULL)
        DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
    if (de_ctx != NULL)
        DetectEngineCtxFree(de_ctx);

    return result;
}

开发者ID:EmergingThreats，项目名称:suricata，代码行数:58，代码来源:util-unittest-helper.c

示例7: UTHCheckPacketMatchResults

/**
 * \brief UTHCheckPacketMatches: function to check if a packet match some sids
 *
 *
 * \param p pointer to the Packet
 * \param sigs array of char* pointing to signatures to load
 * \param numsigs number of signatures to load from the array
 * \param results pointer to an array of numbers to check if sids matches
 *                that number of times or not.
 *
 * \retval int 1 if the match of all the sids is the specified has the
 *             specified results; 0 if not
 */
int UTHCheckPacketMatchResults(Packet *p, uint32_t sids[],
        uint32_t results[], int numsids)
{
    if (p == NULL || sids == NULL) {
        SCLogError(SC_ERR_INVALID_ARGUMENT, "Arguments invalid, check if the "
                "packet is NULL, and if the array contain sids is set");
        return 0;
    }

    int i = 0;
    int res = 1;
    for (; i < numsids; i++) {
        uint16_t r = PacketAlertCheck(p, sids[i]);
        if (r != results[i]) {
            SCLogInfo("Sid %"PRIu32" matched %"PRIu16" times, and not %"PRIu16
                    " as expected", sids[i], r, results[i]);
            res = 0;
        } else {
            SCLogInfo("Sid %"PRIu32" matched %"PRIu16" times, as expected", sids[i], r);
        }
    }
    return res;
}

开发者ID:EmergingThreats，项目名称:suricata，代码行数:36，代码来源:util-unittest-helper.c

示例8: DetectDsizeIcmpv6Test01

/**
 * \test DetectDsizeIcmpv6Test01 is a test for checking the working of
 *       dsize keyword by creating 2 rules and matching a crafted packet
 *       against them. Only the first one shall trigger.
 */
int DetectDsizeIcmpv6Test01 (void) {
    int result = 0;

    static uint8_t raw_icmpv6[] = {
        0x60, 0x00, 0x00, 0x00, 0x00, 0x30, 0x3a, 0xff,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
        0x01, 0x00, 0x7b, 0x85, 0x00, 0x00, 0x00, 0x00,
        0x60, 0x4b, 0xe8, 0xbd, 0x00, 0x00, 0x3b, 0xff,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 };

    Packet *p = SCMalloc(SIZE_OF_PACKET);
    if (p == NULL)
        return 0;
    IPV6Hdr ip6h;
    ThreadVars tv;
    DecodeThreadVars dtv;
    Signature *s = NULL;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx = NULL;

    memset(&tv, 0, sizeof(ThreadVars));
    memset(p, 0, SIZE_OF_PACKET);
    p->pkt = (uint8_t *)(p + 1);
    memset(&dtv, 0, sizeof(DecodeThreadVars));
    memset(&ip6h, 0, sizeof(IPV6Hdr));
    memset(&th_v, 0, sizeof(ThreadVars));

    FlowInitConfig(FLOW_QUIET);
    p->src.family = AF_INET6;
    p->dst.family = AF_INET6;
    p->ip6h = &ip6h;

    DecodeIPV6(&tv, &dtv, p, raw_icmpv6, sizeof(raw_icmpv6), NULL);

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

    de_ctx->flags |= DE_QUIET;

    s = de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any "
            "(msg:\"ICMP Large ICMP Packet\"; dsize:>8; sid:1; rev:4;)");
    if (s == NULL) {
        goto end;
    }

    s = s->next = SigInit(de_ctx, "alert icmp any any -> any any "
            "(msg:\"ICMP Large ICMP Packet\"; dsize:>800; sid:2; rev:4;)");
    if (s == NULL) {
        goto end;
    }

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

    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    if (PacketAlertCheck(p, 1) == 0) {
        printf("sid 1 did not alert, but should have: ");
        goto cleanup;
    } else if (PacketAlertCheck(p, 2)) {
        printf("sid 2 alerted, but should not have: ");
        goto cleanup;
    }

    result = 1;

cleanup:
    SigGroupCleanup(de_ctx);
    SigCleanSignatures(de_ctx);

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

    FlowShutdown();
end:
    SCFree(p);
    return result;

}

开发者ID:jerryma119，项目名称:suricata，代码行数:91，代码来源:detect-dsize.c

示例9: DetectFragOffsetMatchTest01

/**
 * \test DetectFragOffsetMatchTest01 is a test for checking the working of
 *       fragoffset keyword by creating 2 rules and matching a crafted packet
 *       against them. Only the first one shall trigger.
 */
int DetectFragOffsetMatchTest01 (void)
{
    int result = 0;
    Packet *p = SCMalloc(SIZE_OF_PACKET);
    if (unlikely(p == NULL))
        return 0;
    Signature *s = NULL;
    DecodeThreadVars dtv;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx = NULL;
    IPV4Hdr ip4h;

    memset(p, 0, SIZE_OF_PACKET);
    memset(&ip4h, 0, sizeof(IPV4Hdr));
    memset(&dtv, 0, sizeof(DecodeThreadVars));
    memset(&th_v, 0, sizeof(ThreadVars));

    FlowInitConfig(FLOW_QUIET);

    p->src.family = AF_INET;
    p->dst.family = AF_INET;
    p->src.addr_data32[0] = 0x01020304;
    p->dst.addr_data32[0] = 0x04030201;

    ip4h.s_ip_src.s_addr = p->src.addr_data32[0];
    ip4h.s_ip_dst.s_addr = p->dst.addr_data32[0];
    ip4h.ip_off = 0x2222;
    p->ip4h = &ip4h;

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

    de_ctx->flags |= DE_QUIET;

    s = de_ctx->sig_list = SigInit(de_ctx, "alert ip any any -> any any (fragoffset:546; sid:1;)");
    if (s == NULL) {
        goto end;
    }

    s = s->next = SigInit(de_ctx, "alert ip any any -> any any (fragoffset:5000; sid:2;)");
    if (s == NULL) {
        goto end;
    }

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

    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    if (PacketAlertCheck(p, 1) == 0) {
        printf("sid 1 did not alert, but should have: ");
        goto cleanup;
    } else if (PacketAlertCheck(p, 2)) {
        printf("sid 2 alerted, but should not have: ");
        goto cleanup;
    }

    result = 1;

cleanup:
    SigGroupCleanup(de_ctx);
    SigCleanSignatures(de_ctx);

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

    FlowShutdown();
end:
    SCFree(p);
    return result;

}

开发者ID:EmergingThreats，项目名称:suricata，代码行数:78，代码来源:detect-fragoffset.c

示例10: DetectHttpCookieSigTest08

/**
 * \test Check the signature working to alert against set-cookie
 */
static int DetectHttpCookieSigTest08(void)
{
    int result = 0;
    Flow f;

    uint8_t httpbuf_request[] =
        "GET / HTTP/1.1\r\n"
        "User-Agent: Mozilla/1.0\r\n"
        "\r\n";
    uint32_t httpbuf_request_len = sizeof(httpbuf_request) - 1; /* minus the \0 */

    uint8_t httpbuf_response[] =
        "HTTP/1.1 200 OK\r\n"
        "Set-Cookie: response_user_agent\r\n"
        "\r\n";
    uint32_t httpbuf_response_len = sizeof(httpbuf_response) - 1; /* minus the \0 */

    TcpSession ssn;
    Packet *p1 = NULL, *p2 = NULL;
    Signature *s = NULL;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx = NULL;
    HtpState *http_state = NULL;

    memset(&th_v, 0, sizeof(th_v));
    memset(&f, 0, sizeof(f));
    memset(&ssn, 0, sizeof(ssn));

    FLOW_INITIALIZE(&f);
    f.protoctx = (void *)&ssn;
    f.flags |= FLOW_IPV4;
    f.alproto = ALPROTO_HTTP;

    p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
    p1->flow = &f;
    p1->flowflags |= FLOW_PKT_TOSERVER;
    p1->flowflags |= FLOW_PKT_ESTABLISHED;
    p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;

    p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
    p2->flow = &f;
    p2->flowflags |= FLOW_PKT_TOCLIENT;
    p2->flowflags |= FLOW_PKT_ESTABLISHED;
    p2->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;

    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 http any any -> any any "
                                   "(flow:to_client; content:\"response_user_agent\"; "
                                   "http_cookie; sid:1;)");
    if (s == NULL) {
        goto end;
    }

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

    /* request */
    SCMutexLock(&f.m);
    int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER,
                          httpbuf_request, httpbuf_request_len);
    if (r != 0) {
        printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
        result = 0;
        SCMutexUnlock(&f.m);
        goto end;
    }
    SCMutexUnlock(&f.m);

    http_state = f.alstate;
    if (http_state == NULL) {
        printf("no http state: ");
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
    if (PacketAlertCheck(p1, 1)) {
        goto end;
    }

    /* response */
    SCMutexLock(&f.m);
    r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT,
                          httpbuf_response, httpbuf_response_len);
    if (r != 0) {
        printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
        result = 0;
        SCMutexUnlock(&f.m);
        goto end;
//.........这里部分代码省略.........

开发者ID:codercold，项目名称:suricata，代码行数:101，代码来源:detect-http-cookie.c

示例11: DetectSshVersionTestDetect03

/** \test Send a get request in three chunks + more data. */
static int DetectSshVersionTestDetect03(void) {
    int result = 0;
    Flow f;
    uint8_t sshbuf1[] = "SSH-1.";
    uint32_t sshlen1 = sizeof(sshbuf1) - 1;
    uint8_t sshbuf2[] = "7-PuTTY_2.123" ;
    uint32_t sshlen2 = sizeof(sshbuf2) - 1;
    uint8_t sshbuf3[] = "\n";
    uint32_t sshlen3 = sizeof(sshbuf3) - 1;
    uint8_t sshbuf4[] = "whatever...";
    uint32_t sshlen4 = sizeof(sshbuf4) - 1;
    TcpSession ssn;
    Packet *p = NULL;
    Signature *s = NULL;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx = NULL;

    memset(&th_v, 0, sizeof(th_v));
    memset(&f, 0, sizeof(f));
    memset(&ssn, 0, sizeof(ssn));

    p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);

    FLOW_INITIALIZE(&f);
    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_SSH;

    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 ssh any any -> any any (msg:\"SSH\"; ssh.protoversion:2_compat; sid:1;)");
    if (s == NULL) {
        goto end;
    }

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

    int r = AppLayerParse(NULL, &f, ALPROTO_SSH, STREAM_TOSERVER, sshbuf1, sshlen1);
    if (r != 0) {
        printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
        goto end;
    }

    r = AppLayerParse(NULL, &f, ALPROTO_SSH, STREAM_TOSERVER, sshbuf2, sshlen2);
    if (r != 0) {
        printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
        goto end;
    }

    r = AppLayerParse(NULL, &f, ALPROTO_SSH, STREAM_TOSERVER, sshbuf3, sshlen3);
    if (r != 0) {
        printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
        goto end;
    }

    r = AppLayerParse(NULL, &f, ALPROTO_SSH, STREAM_TOSERVER, sshbuf4, sshlen4);
    if (r != 0) {
        printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
        goto end;
    }

    SshState *ssh_state = f.alstate;
    if (ssh_state == NULL) {
        printf("no ssh state: ");
        goto end;
    }

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

    if (PacketAlertCheck(p, 1)) {
        printf("Error, 1.7 version is not 2 compat, so the sig should not match: ");
        goto end;
    }

    result = 1;
end:
    SigGroupCleanup(de_ctx);
    SigCleanSignatures(de_ctx);

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

    StreamTcpFreeConfig(TRUE);
    FLOW_DESTROY(&f);

    UTHFreePackets(&p, 1);
    return result;
//.........这里部分代码省略.........

开发者ID:jerryma119，项目名称:suricata，代码行数:101，代码来源:detect-ssh-proto-version.c

示例12: DetectSameipSigTest01Real

/**
 * \internal
 * \brief This test tests sameip success and failure.
 */
static int DetectSameipSigTest01Real(int mpm_type)
{
    uint8_t *buf = (uint8_t *)
                    "GET / HTTP/1.0\r\n"
                    "\r\n";
    uint16_t buflen = strlen((char *)buf);
    Packet *p1 = NULL;
    Packet *p2 = NULL;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx;
    int result = 0;

    memset(&th_v, 0, sizeof(th_v));

    /* First packet has same IPs */
    p1 = UTHBuildPacketSrcDst(buf, buflen, IPPROTO_TCP, "1.2.3.4", "1.2.3.4");

    /* Second packet does not have same IPs */
    p2 = UTHBuildPacketSrcDst(buf, buflen, IPPROTO_TCP, "1.2.3.4", "4.3.2.1");

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

    de_ctx->mpm_matcher = mpm_type;
    de_ctx->flags |= DE_QUIET;

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

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

    SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
    if (PacketAlertCheck(p1, 1) == 0) {
        printf("sid 2 did not alert, but should have: ");
        goto cleanup;
    }

    SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
    if (PacketAlertCheck(p2, 1) != 0) {
        printf("sid 2 alerted, but should not have: ");
        goto cleanup;
    }

    result = 1;

cleanup:
    SigGroupCleanup(de_ctx);
    SigCleanSignatures(de_ctx);

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

end:
    return result;
}

开发者ID:H5eye，项目名称:suricata，代码行数:66，代码来源:detect-sameip.c

示例13: DetectSslStateTest07


//.........这里部分代码省略.........
                              "ssl_state:client_keyx; "
                              "sid:3;)");
    FAIL_IF_NULL(s);

    s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any "
                              "(msg:\"ssl state\"; "
                              "ssl_state:server_keyx; "
                              "sid:4;)");
    FAIL_IF_NULL(s);

    s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any "
                              "(msg:\"ssl state\"; "
                              "ssl_state:!client_hello; "
                              "sid:5;)");
    FAIL_IF_NULL(s);

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

    FLOWLOCK_WRLOCK(&f);
    r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS,
                            STREAM_TOSERVER | STREAM_START, chello_buf,
                            chello_buf_len);
    FAIL_IF(r != 0);
    FLOWLOCK_UNLOCK(&f);

    ssl_state = f.alstate;
    FAIL_IF(ssl_state == NULL);

    /* do detect */
    p->alerts.cnt = 0;
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);

    FAIL_IF(!PacketAlertCheck(p, 1));
    FAIL_IF(PacketAlertCheck(p, 2));
    FAIL_IF(PacketAlertCheck(p, 3));
    FAIL_IF(PacketAlertCheck(p, 4));
    FAIL_IF(PacketAlertCheck(p, 5));

    FLOWLOCK_WRLOCK(&f);
    r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOCLIENT,
                            shello_buf, shello_buf_len);
    FAIL_IF(r != 0);
    FLOWLOCK_UNLOCK(&f);

    /* do detect */
    p->alerts.cnt = 0;
    p->flowflags = (FLOW_PKT_TOCLIENT | FLOW_PKT_ESTABLISHED);

    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);

    FAIL_IF(PacketAlertCheck(p, 1));
    FAIL_IF(!PacketAlertCheck(p, 2));
    FAIL_IF(PacketAlertCheck(p, 3));
    FAIL_IF(PacketAlertCheck(p, 4));
    FAIL_IF(!PacketAlertCheck(p, 5));

    PASS;

    FLOWLOCK_WRLOCK(&f);
    r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOSERVER,
                            client_change_cipher_spec_buf,
                            client_change_cipher_spec_buf_len);
    FAIL_IF(r != 0);
    FLOWLOCK_UNLOCK(&f);

开发者ID:P1sec，项目名称:suricata，代码行数:66，代码来源:detect-ssl-state.c

示例14: DetectAppLayerEventTest04

int DetectAppLayerEventTest04(void)
{
    int result = 0;
    ThreadVars tv;
    TcpReassemblyThreadCtx *ra_ctx = NULL;
    Packet *p = NULL;
    Flow *f = NULL;
    TcpSession ssn;
    TcpStream stream_ts, stream_tc;
    DetectEngineCtx *de_ctx = NULL;
    DetectEngineThreadCtx *det_ctx = NULL;

    uint8_t buf_ts[] = "GET /index.html HTTP/1.1\r\n"
        "Host: 127.0.0.1\r\n"
        "User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.3) Gecko/20100402 Firefox/3.6.3\r\n"
        "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n"
        "Accept-Language: en-us,en;q=0.5\r\n"
        "Accept-Encoding: gzip,deflate\r\n"
        "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\n"
        "Keep-Alive: 115\r\n"
        "Connection: keep-alive\r\n"
        "\r\n";
    uint8_t buf_tc[] = "XTTP/1.1 200 OK\r\n"
        "Date: Fri, 22 Oct 2010 12:31:08 GMT\r\n"
        "Server: Apache/2.2.15 (Unix) DAV/2\r\n"
        "Last-Modified: Sat, 20 Nov 2004 20:16:24 GMT\r\n"
        "ETag: \"ab8486-2c-3e9564c23b600\"\r\n"
        "Accept-Ranges: bytes\r\n"
        "Content-Length: 44\r\n"
        "Keep-Alive: timeout=5, max=100\r\n"
        "Connection: Keep-Alive\r\n"
        "Content-Type: text/html\r\n"
        "\r\n"
        "<html><body><h1>It works!</h1></body></html>";

    memset(&tv, 0, sizeof (ThreadVars));
    memset(&ssn, 0, sizeof(TcpSession));
    memset(&stream_ts, 0, sizeof(TcpStream));
    memset(&stream_tc, 0, sizeof(TcpStream));

    ssn.data_first_seen_dir = STREAM_TOSERVER;

    de_ctx = DetectEngineCtxInit();
    if (de_ctx == NULL)
        goto end;
    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(app-layer-event: applayer_detect_protocol_only_one_direction; "
                               "sid:1;)");
    if (de_ctx->sig_list == NULL)
        goto end;
    SigGroupBuild(de_ctx);
    DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);

    f = UTHBuildFlow(AF_INET, "1.2.3.4", "1.2.3.5", 200, 220);
    if (f == NULL)
        goto end;
    FLOW_INITIALIZE(f);
    f->protoctx = &ssn;
    f->proto = IPPROTO_TCP;
    f->flags |= FLOW_IPV4;

    p = PacketGetFromAlloc();
    if (unlikely(p == NULL))
        goto end;
    p->flow = f;
    p->src.family = AF_INET;
    p->dst.family = AF_INET;
    p->proto = IPPROTO_TCP;

    ra_ctx = StreamTcpReassembleInitThreadCtx(&tv);
    if (ra_ctx == NULL)
        goto end;
    StreamTcpInitConfig(TRUE);

    p->flowflags = FLOW_PKT_TOSERVER;
    if (AppLayerHandleTCPData(&tv, ra_ctx, p, f, &ssn, &stream_ts, buf_ts,
                              sizeof(buf_ts), STREAM_TOSERVER | STREAM_START) < 0) {
        printf("AppLayerHandleTCPData failure\n");
        goto end;
    }
    SigMatchSignatures(&tv, de_ctx, det_ctx, p);
    if (PacketAlertCheck(p, 1)) {
        printf("sid 1 matched but shouldn't have\n");
        goto end;
    }

    p->flowflags = FLOW_PKT_TOCLIENT;
    if (AppLayerHandleTCPData(&tv, ra_ctx, p, f, &ssn, &stream_tc, buf_tc,
                              sizeof(buf_tc), STREAM_TOCLIENT | STREAM_START) < 0) {
        printf("AppLayerHandleTCPData failure\n");
        goto end;
    }
    SigMatchSignatures(&tv, de_ctx, det_ctx, p);
    if (!PacketAlertCheck(p, 1)) {
        printf("sid 1 didn't match but should have\n");
        goto end;
    }

    result = 1;
//.........这里部分代码省略.........

开发者ID:awick，项目名称:suricata，代码行数:101，代码来源:detect-app-layer-event.c

示例15: DetectThresholdTestSig6Ticks

static int DetectThresholdTestSig6Ticks(void) {
    Packet *p = NULL;
    Signature *s = NULL;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx;
    int result = 0;
    int alerts = 0;

    memset(&th_v, 0, sizeof(th_v));
    p = UTHBuildPacketReal((uint8_t *)"A",1,IPPROTO_TCP, "1.1.1.1", "2.2.2.2", 1024, 80);

    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 80 (msg:\"Threshold limit sid 1\"; threshold: type limit, track by_dst, count 5, seconds 60; sid:1;)");
    if (s == NULL) {
        goto end;
    }

    s = s->next = SigInit(de_ctx,"alert tcp any any -> any 80 (msg:\"Threshold limit sid 1000\"; threshold: type limit, track by_dst, count 5, seconds 60; sid:1000;)");
    if (s == NULL) {
        goto end;
    }

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

    uint64_t ticks_start = 0;
    uint64_t ticks_end = 0;

    ticks_start = UtilCpuGetTicks();
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts = PacketAlertCheck(p, 1);
    alerts += PacketAlertCheck(p, 1000);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    alerts += PacketAlertCheck(p, 1000);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    alerts += PacketAlertCheck(p, 1000);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    alerts += PacketAlertCheck(p, 1000);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    alerts += PacketAlertCheck(p, 1000);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    alerts += PacketAlertCheck(p, 1000);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    alerts += PacketAlertCheck(p, 1000);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    alerts += PacketAlertCheck(p, 1000);
    ticks_end = UtilCpuGetTicks();
    printf("test run %"PRIu64"\n", (ticks_end - ticks_start));

    if(alerts == 10)
        result = 1;
    else
        goto cleanup;

cleanup:
    SigGroupCleanup(de_ctx);
    SigCleanSignatures(de_ctx);

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

end:
    UTHFreePackets(&p, 1);
    return result;
}

开发者ID:58698301，项目名称:suricata，代码行数:78，代码来源:detect-threshold.c

示例16: DetectThresholdTestSig4

static int DetectThresholdTestSig4(void) {
    Packet *p = NULL;
    Signature *s = NULL;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx;
    int result = 0;
    int alerts = 0;
    struct timeval ts;

    memset (&ts, 0, sizeof(struct timeval));
    TimeGet(&ts);

    memset(&th_v, 0, sizeof(th_v));

    p = UTHBuildPacketReal((uint8_t *)"A",1,IPPROTO_TCP, "1.1.1.1", "2.2.2.2", 1024, 80);

    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 80 (msg:\"Threshold both\"; threshold: type both, track by_dst, count 2, seconds 60; sid:10;)");
    if (s == NULL) {
        goto end;
    }

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

    TimeGet(&p->ts);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts = PacketAlertCheck(p, 10);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 10);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 10);

    TimeSetIncrementTime(200);
    TimeGet(&p->ts);

    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 10);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 10);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 10);

    if (alerts == 2)
        result = 1;
    else
        goto cleanup;

cleanup:
    SigGroupCleanup(de_ctx);
    SigCleanSignatures(de_ctx);

    DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
    DetectEngineCtxFree(de_ctx);
end:
    UTHFreePackets(&p, 1);
    return result;
}

开发者ID:58698301，项目名称:suricata，代码行数:64，代码来源:detect-threshold.c

示例17: DetectThresholdTestSig1

static int DetectThresholdTestSig1(void) {

    Packet *p = NULL;
    Signature *s = NULL;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx;
    int result = 0;
    int alerts = 0;

    memset(&th_v, 0, sizeof(th_v));

    p = UTHBuildPacketReal((uint8_t *)"A",1,IPPROTO_TCP, "1.1.1.1", "2.2.2.2", 1024, 80);

    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 80 (msg:\"Threshold limit\"; threshold: type limit, track by_dst, count 5, seconds 60; sid:1;)");
    if (s == NULL) {
        goto end;
    }

    SigGroupBuild(de_ctx);

    if (s->flags & SIG_FLAG_IPONLY) {
        printf("signature is ip-only: ");
        goto end;
    }

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

    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts = PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    alerts += PacketAlertCheck(p, 1);

    if(alerts == 5)
        result = 1;
    else
        printf("alerts %"PRIi32", expected 5: ", alerts);

    SigGroupCleanup(de_ctx);
    SigCleanSignatures(de_ctx);

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

    UTHFreePackets(&p, 1);
end:
    return result;
}

开发者ID:58698301，项目名称:suricata，代码行数:66，代码来源:detect-threshold.c

示例18: DetectHttpMethodSigTest03

/** \test Check a signature against an unparsable request */
static int DetectHttpMethodSigTest03(void)
{
    int result = 0;
    Flow f;
    uint8_t httpbuf1[] = " ";
    uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
    TcpSession ssn;
    Packet *p = NULL;
    Signature *s = NULL;
    ThreadVars th_v;
    DetectEngineThreadCtx *det_ctx;
    HtpState *http_state = NULL;
    AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();

    memset(&th_v, 0, sizeof(th_v));
    memset(&f, 0, sizeof(f));
    memset(&ssn, 0, sizeof(ssn));

    p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);

    FLOW_INITIALIZE(&f);
    f.protoctx = (void *)&ssn;
    f.proto = IPPROTO_TCP;
    f.flags |= FLOW_IPV4;

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

    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:\"Testing http_method\"; "
                                   "content:\"GET\"; "
                                   "http_method; sid:1;)");
    if (s == NULL) {
        SCLogDebug("Bad signature");
        goto end;
    }

    SigGroupBuild(de_ctx);
    Detect