suricata/src/detect-http-ua.c

/* Copyright (C) 2007-2012 Open Information Security Foundation
 *
 * You can copy, redistribute or modify this Program under the terms of
 * the GNU General Public License version 2 as published by the Free
 * Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * version 2 along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

/**
 * \ingroup httplayer
 *
 * @{
 */


/**
 * \file
 *
 * \author Anoop Saldanha <anoopsaldanha@gmail.com>
 *
 * Implements support for the http_user_agent keyword.
 */

#include "suricata-common.h"
#include "threads.h"
#include "decode.h"

#include "detect.h"
#include "detect-parse.h"
#include "detect-engine.h"
#include "detect-engine-mpm.h"
#include "detect-engine-state.h"
#include "detect-content.h"
#include "detect-pcre.h"

#include "flow.h"
#include "flow-var.h"
#include "flow-util.h"

#include "util-debug.h"
#include "util-unittest.h"
#include "util-unittest-helper.h"
#include "util-spm.h"

#include "app-layer.h"

#include "app-layer-htp.h"
#include "stream-tcp.h"
#include "detect-http-ua.h"

int DetectHttpUASetup(DetectEngineCtx *, Signature *, char *);
void DetectHttpUARegisterTests(void);
void DetectHttpUAFree(void *);

/**
 * \brief Registers the keyword handlers for the "http_user_agent" keyword.
 */
void DetectHttpUARegister(void)
{
    sigmatch_table[DETECT_AL_HTTP_USER_AGENT].name = "http_user_agent";
    sigmatch_table[DETECT_AL_HTTP_USER_AGENT].desc = "content modifier to match only on the HTTP User-Agent header";
    sigmatch_table[DETECT_AL_HTTP_USER_AGENT].url = "https://redmine.openinfosecfoundation.org/projects/suricata/wiki/HTTP-keywords#http_user_agent";
    sigmatch_table[DETECT_AL_HTTP_USER_AGENT].Match = NULL;
    sigmatch_table[DETECT_AL_HTTP_USER_AGENT].AppLayerMatch = NULL;
    sigmatch_table[DETECT_AL_HTTP_USER_AGENT].Setup = DetectHttpUASetup;
    sigmatch_table[DETECT_AL_HTTP_USER_AGENT].Free  = DetectHttpUAFree;
    sigmatch_table[DETECT_AL_HTTP_USER_AGENT].RegisterTests = DetectHttpUARegisterTests;
    sigmatch_table[DETECT_AL_HTTP_USER_AGENT].alproto = ALPROTO_HTTP;

    sigmatch_table[DETECT_AL_HTTP_USER_AGENT].flags |= SIGMATCH_PAYLOAD ;

    return;
}

/**
 * \brief The setup function for the http_user_agent keyword for a signature.
 *
 * \param de_ctx Pointer to the detection engine context.
 * \param s      Pointer to the signature for the current Signature being
 *               parsed from the rules.
 * \param m      Pointer to the head of the SigMatch for the current rule
 *               being parsed.
 * \param arg    Pointer to the string holding the keyword value.
 *
 * \retval  0 On success
 * \retval -1 On failure
 */
int DetectHttpUASetup(DetectEngineCtx *de_ctx, Signature *s, char *arg)
{
    DetectContentData *cd = NULL;
    SigMatch *sm = NULL;

    if (arg != NULL && strcmp(arg, "") != 0) {
        SCLogError(SC_ERR_INVALID_ARGUMENT, "http_user_agent supplied with args");
        goto error;
    }

    sm = SigMatchGetLastSMFromLists(s, 2,
                                    DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_PMATCH]);
    /* if we still can't find any previous content keywords, it's an invalid
     * rule */
    if (sm == NULL) {
        SCLogError(SC_ERR_INVALID_SIGNATURE, "\"http_user_agent\" keyword "
                   "found inside the rule without a content context.  "
                   "Please use a \"content\" keyword before using the "
                   "\"http_user_agent\" keyword");
        goto error;
    }

    cd = (DetectContentData *)sm->ctx;

    /* http_user_agent should not be used with the rawbytes rule */
    if (cd->flags & DETECT_CONTENT_RAWBYTES) {
        SCLogError(SC_ERR_INVALID_SIGNATURE, "http_user_agent rule can not "
                   "be used with the rawbytes rule keyword");
        goto error;
    }

    if (s->alproto != ALPROTO_UNKNOWN && s->alproto != ALPROTO_HTTP) {
        SCLogError(SC_ERR_CONFLICTING_RULE_KEYWORDS, "rule contains a non http "
                   "alproto set");
        goto error;
    }

    if (s->flags & SIG_FLAG_TOCLIENT) {
        SCLogError(SC_ERR_INVALID_SIGNATURE, "http_user_agent can not be used "
                   "with flow:to_client or flow:from_server. ");
        goto error;
    }

    if ((cd->flags & DETECT_CONTENT_WITHIN) || (cd->flags & DETECT_CONTENT_DISTANCE)) {
        SigMatch *pm =  SigMatchGetLastSMFromLists(s, 4,
                                                   DETECT_CONTENT, sm->prev,
                                                   DETECT_PCRE, sm->prev);
        /* pm can be NULL now.  To accomodate parsing sigs like -
         * content:one; http_modifier; content:two; distance:0; http_modifier */
        if (pm != NULL) {
            if (pm->type == DETECT_CONTENT) {
                DetectContentData *tmp_cd = (DetectContentData *)pm->ctx;
                tmp_cd->flags &= ~DETECT_CONTENT_RELATIVE_NEXT;
            } else {
                DetectPcreData *tmp_pd = (DetectPcreData *)pm->ctx;
                tmp_pd->flags &= ~ DETECT_PCRE_RELATIVE_NEXT;
            }

        } /* if (pm != NULL) */

        /* reassigning pm */
        pm = SigMatchGetLastSMFromLists(s, 4,
                                        DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
                                        DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]);
        if (pm == NULL) {
            SCLogError(SC_ERR_INVALID_SIGNATURE, "http_user_agent seen with a "
                       "distance or within without a previous http_user_agent "
                       "content.  Invalidating signature.");
            goto error;
        }
        if (pm->type == DETECT_PCRE) {
            DetectPcreData *tmp_pd = (DetectPcreData *)pm->ctx;
            tmp_pd->flags |= DETECT_PCRE_RELATIVE_NEXT;
        } else {
            DetectContentData *tmp_cd = (DetectContentData *)pm->ctx;
            tmp_cd->flags |= DETECT_CONTENT_RELATIVE_NEXT;
        }
    }
    cd->id = DetectPatternGetId(de_ctx->mpm_pattern_id_store, cd, DETECT_SM_LIST_HUADMATCH);
    sm->type = DETECT_CONTENT;

    /* transfer the sm from the pmatch list to huadmatch list */
    SigMatchTransferSigMatchAcrossLists(sm,
                                        &s->sm_lists[DETECT_SM_LIST_PMATCH],
                                        &s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
                                        &s->sm_lists[DETECT_SM_LIST_HUADMATCH],
                                        &s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]);

    /* flag the signature to indicate that we scan the app layer data */
    s->flags |= SIG_FLAG_APPLAYER;
    s->alproto = ALPROTO_HTTP;

    return 0;

error:
    return -1;
}

/**
 * \brief The function to free the http_user_agent data.
 *
 * \param ptr Pointer to the http_user_agent.
 */
void DetectHttpUAFree(void *ptr)
{
    DetectContentData *huad = (DetectContentData *)ptr;
    if (huad == NULL)
        return;

    if (huad->content != NULL)
        SCFree(huad->content);

    BoyerMooreCtxDeInit(huad->bm_ctx);
    SCFree(huad);

    return;
}

/************************************Unittests*********************************/

#ifdef UNITTESTS

#include "stream-tcp-reassemble.h"

/**
 * \test Test that a signature containting a http_user_agent is correctly parsed
 *       and the keyword is registered.
 */
static int DetectHttpUATest01(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    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 "
                               "(msg:\"Testing http_user_agent\"; "
                               "content:\"one\"; http_user_agent; sid:1;)");
    if (de_ctx->sig_list != NULL) {
        result = 1;
    } else {
        goto end;
    }

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

    return result;
}

/**
 * \test Test that a signature containing an valid http_user_agent entry is
 *       parsed.
 */
static int DetectHttpUATest02(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    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 "
                               "(msg:\"Testing http_user_agent\"; "
                               "content:\"one\"; http_user_agent:; sid:1;)");
    if (de_ctx->sig_list != NULL)
        result = 1;

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

    return result;
}

/**
 * \test Test that an invalid signature containing no content but a
 *       http_user_agent is invalidated.
 */
static int DetectHttpUATest03(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    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 "
                               "(msg:\"Testing http_user_agent\"; "
                               "http_user_agent; sid:1;)");
    if (de_ctx->sig_list == NULL)
        result = 1;

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

    return result;
}

/**
 * \test Test that an invalid signature containing a rawbytes along with a
 *       http_user_agent is invalidated.
 */
static int DetectHttpUATest04(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    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 "
                               "(msg:\"Testing http_user_agent\"; "
                               "content:\"one\"; rawbytes; http_user_agent; sid:1;)");
    if (de_ctx->sig_list == NULL)
        result = 1;

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

    return result;
}

/**
 * \test Test that a http_user_agent with nocase is parsed.
 */
static int DetectHttpUATest05(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    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 "
                               "(msg:\"Testing http_user_agent\"; "
                               "content:\"one\"; http_user_agent; nocase; sid:1;)");
    if (de_ctx->sig_list != NULL)
        result = 1;

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

    return result;
}

/**
 *\test Test that the http_user_agent content matches against a http request
 *      which holds the content.
 */
static int DetectHttpUATest06(void)
{
    TcpSession ssn;
    Packet *p = NULL;
    ThreadVars th_v;
    DetectEngineCtx *de_ctx = NULL;
    DetectEngineThreadCtx *det_ctx = NULL;
    HtpState *http_state = NULL;
    Flow f;
    uint8_t http_buf[] =
        "GET /index.html HTTP/1.0\r\n"
        "Host: www.openinfosecfoundation.org\r\n"
        "User-Agent: This is dummy message body\r\n"
        "Content-Type: text/html\r\n"
        "\r\n";
    uint32_t http_len = sizeof(http_buf) - 1;
    int result = 0;

    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.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);

    de_ctx = DetectEngineCtxInit();
    if (de_ctx == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;

    de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
                               "(msg:\"http user agent test\"; "
                               "content:\"message\"; http_user_agent; "
                               "sid:1;)");
    if (de_ctx->sig_list == NULL)
        goto end;

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

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

    http_state = f.alstate;
    if (http_state == NULL) {
        printf("no http state: \n");
        result = 0;
        goto end;
    }

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

    if (!(PacketAlertCheck(p, 1))) {
        printf("sid 1 didn't match but should have\n");
        goto end;
    }

    result = 1;
end:
    if (de_ctx != NULL)
        SigGroupCleanup(de_ctx);
    if (de_ctx != NULL)
        SigCleanSignatures(de_ctx);
    if (de_ctx != NULL)
        DetectEngineCtxFree(de_ctx);

    StreamTcpFreeConfig(TRUE);
    FLOW_DESTROY(&f);
    UTHFreePackets(&p, 1);
    return result;
}

/**
 *\test Test that the http_user_agent content matches against a http request
 *      which holds the content.
 */
static int DetectHttpUATest07(void)
{
    TcpSession ssn;
    Packet *p1 = NULL;
    Packet *p2 = NULL;
    ThreadVars th_v;
    DetectEngineCtx *de_ctx = NULL;
    DetectEngineThreadCtx *det_ctx = NULL;
    HtpState *http_state = NULL;
    Flow f;
    uint8_t http1_buf[] =
        "GET /index.html HTTP/1.0\r\n"
        "Host: www.openinfosecfoundation.org\r\n"
        "User-Agent: This is dummy message";
    uint8_t http2_buf[] =
        "body1\r\n\r\n";
    uint32_t http1_len = sizeof(http1_buf) - 1;
    uint32_t http2_len = sizeof(http2_buf) - 1;
    int result = 0;

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

    p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
    p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);

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

    p1->flow = &f;
    p1->flowflags |= FLOW_PKT_TOSERVER;
    p1->flowflags |= FLOW_PKT_ESTABLISHED;
    p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
    p2->flow = &f;
    p2->flowflags |= FLOW_PKT_TOSERVER;
    p2->flowflags |= FLOW_PKT_ESTABLISHED;
    p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
    f.alproto = ALPROTO_HTTP;

    StreamTcpInitConfig(TRUE);

    de_ctx = DetectEngineCtxInit();
    if (de_ctx == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;

    de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
                               "(msg:\"http user agent test\"; "
                               "content:\"message\"; http_user_agent; "
                               "sid:1;)");
    if (de_ctx->sig_list == NULL)
        goto end;

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

    int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http1_buf, http1_len);
    if (r != 0) {
        printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
        result = 0;
        goto end;
    }

    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)) {
        printf("sid 1 matched on p1 but shouldn't have: ");
        goto end;
    }

    r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
    if (r != 0) {
        printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
    if (!(PacketAlertCheck(p2, 1))) {
        printf("sid 1 didn't match on p2 but should have: ");
        goto end;
    }

    result = 1;
end:
    if (de_ctx != NULL)
        SigGroupCleanup(de_ctx);
    if (de_ctx != NULL)
        SigCleanSignatures(de_ctx);
    if (de_ctx != NULL)
        DetectEngineCtxFree(de_ctx);

    StreamTcpFreeConfig(TRUE);
    FLOW_DESTROY(&f);
    UTHFreePackets(&p1, 1);
    UTHFreePackets(&p2, 1);
    return result;
}

/**
 *\test Test that the http_user_agent content matches against a http request
 *      which holds the content.
 */
static int DetectHttpUATest08(void)
{
    TcpSession ssn;
    Packet *p1 = NULL;
    Packet *p2 = NULL;
    ThreadVars th_v;
    DetectEngineCtx *de_ctx = NULL;
    DetectEngineThreadCtx *det_ctx = NULL;
    HtpState *http_state = NULL;
    Flow f;
    uint8_t http1_buf[] =
        "GET /index.html HTTP/1.0\r\n"
        "Host: www.openinfosecfoundation.org\r\n"
        "User-Agent: This is dummy mess";
    uint8_t http2_buf[] =
        "age body\r\n\r\n";
    uint32_t http1_len = sizeof(http1_buf) - 1;
    uint32_t http2_len = sizeof(http2_buf) - 1;
    int result = 0;


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

    p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
    p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);

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

    p1->flow = &f;
    p1->flowflags |= FLOW_PKT_TOSERVER;
    p1->flowflags |= FLOW_PKT_ESTABLISHED;
    p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
    p2->flow = &f;
    p2->flowflags |= FLOW_PKT_TOSERVER;
    p2->flowflags |= FLOW_PKT_ESTABLISHED;
    p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
    f.alproto = ALPROTO_HTTP;

    StreamTcpInitConfig(TRUE);

    de_ctx = DetectEngineCtxInit();
    if (de_ctx == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;

    de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
                               "(msg:\"http user agent test\"; "
                               "content:\"message\"; http_user_agent; "
                               "sid:1;)");
    if (de_ctx->sig_list == NULL)
        goto end;

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

    int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http1_buf, http1_len);
    if (r != 0) {
        printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
        result = 0;
        goto end;
    }

    http_state = f.alstate;
    if (http_state == NULL) {
        printf("no http state: ");
        result = 0;
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);

    if ((PacketAlertCheck(p1, 1))) {
        printf("sid 1 didn't match but should have");
        goto end;
    }

    r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
    if (r != 0) {
        printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
        result = 0;
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);

    if (!(PacketAlertCheck(p2, 1))) {
        printf("sid 1 didn't match but should have");
        goto end;
    }

    result = 1;
end:
    if (de_ctx != NULL)
        SigGroupCleanup(de_ctx);
    if (de_ctx != NULL)
        SigCleanSignatures(de_ctx);
    if (de_ctx != NULL)
        DetectEngineCtxFree(de_ctx);

    StreamTcpFreeConfig(TRUE);
    FLOW_DESTROY(&f);
    UTHFreePackets(&p1, 1);
    UTHFreePackets(&p2, 1);
    return result;
}

/**
 *\test Test that the http_user_agent content matches against a http request
 *      which holds the content, against a cross boundary present pattern.
 */
static int DetectHttpUATest09(void)
{
    TcpSession ssn;
    Packet *p1 = NULL;
    Packet *p2 = NULL;
    ThreadVars th_v;
    DetectEngineCtx *de_ctx = NULL;
    DetectEngineThreadCtx *det_ctx = NULL;
    HtpState *http_state = NULL;
    Flow f;
    uint8_t http1_buf[] =
        "GET /index.html HTTP/1.0\r\n"
        "Host: www.openinfosecfoundation.org\r\n"
        "User-Agent: This is dummy body1";
    uint8_t http2_buf[] =
        "This is dummy message body2\r\n"
        "Content-Type: text/html\r\n"
        "Content-Length: 46\r\n"
        "\r\n"
        "This is dummy body1";
    uint32_t http1_len = sizeof(http1_buf) - 1;
    uint32_t http2_len = sizeof(http2_buf) - 1;
    int result = 0;


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

    p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
    p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);

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

    p1->flow = &f;
    p1->flowflags |= FLOW_PKT_TOSERVER;
    p1->flowflags |= FLOW_PKT_ESTABLISHED;
    p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
    p2->flow = &f;
    p2->flowflags |= FLOW_PKT_TOSERVER;
    p2->flowflags |= FLOW_PKT_ESTABLISHED;
    p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
    f.alproto = ALPROTO_HTTP;

    StreamTcpInitConfig(TRUE);

    de_ctx = DetectEngineCtxInit();
    if (de_ctx == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;

    de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
                               "(msg:\"http user agent test\"; "
                               "content:\"body1This\"; http_user_agent; "
                               "sid:1;)");
    if (de_ctx->sig_list == NULL)
        goto end;

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

    int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http1_buf, http1_len);
    if (r != 0) {
        printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
        result = 0;
        goto end;
    }

    http_state = f.alstate;
    if (http_state == NULL) {
        printf("no http state: ");
        result = 0;
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);

    if ((PacketAlertCheck(p1, 1))) {
        printf("sid 1 didn't match but should have");
        goto end;
    }

    r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
    if (r != 0) {
        printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
        result = 0;
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);

    if (!(PacketAlertCheck(p2, 1))) {
        printf("sid 1 didn't match but should have");
        goto end;
    }

    result = 1;
end:
    if (de_ctx != NULL)
        SigGroupCleanup(de_ctx);
    if (de_ctx != NULL)
        SigCleanSignatures(de_ctx);
    if (de_ctx != NULL)
        DetectEngineCtxFree(de_ctx);

    StreamTcpFreeConfig(TRUE);
    FLOW_DESTROY(&f);
    UTHFreePackets(&p1, 1);
    UTHFreePackets(&p2, 1);
    return result;
}

/**
 *\test Test that the http_user_agent content matches against a http request
 *      against a case insensitive pattern.
 */
static int DetectHttpUATest10(void)
{
    TcpSession ssn;
    Packet *p1 = NULL;
    Packet *p2 = NULL;
    ThreadVars th_v;
    DetectEngineCtx *de_ctx = NULL;
    DetectEngineThreadCtx *det_ctx = NULL;
    HtpState *http_state = NULL;
    Flow f;
    uint8_t http1_buf[] =
        "GET /index.html HTTP/1.0\r\n"
        "Host: www.openinfosecfoundation.org\r\n"
        "User-Agent: This is dummy bodY1";
    uint8_t http2_buf[] =
        "This is dummy message body2\r\n"
        "Content-Type: text/html\r\n"
        "Content-Length: 46\r\n"
        "\r\n"
        "This is dummy bodY1";
    uint32_t http1_len = sizeof(http1_buf) - 1;
    uint32_t http2_len = sizeof(http2_buf) - 1;
    int result = 0;

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

    p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
    p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);

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

    p1->flow = &f;
    p1->flowflags |= FLOW_PKT_TOSERVER;
    p1->flowflags |= FLOW_PKT_ESTABLISHED;
    p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
    p2->flow = &f;
    p2->flowflags |= FLOW_PKT_TOSERVER;
    p2->flowflags |= FLOW_PKT_ESTABLISHED;
    p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
    f.alproto = ALPROTO_HTTP;

    StreamTcpInitConfig(TRUE);

    de_ctx = DetectEngineCtxInit();
    if (de_ctx == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;

    de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
                               "(msg:\"http user agent test\"; "
                               "content:\"body1this\"; http_user_agent; nocase;"
                               "sid:1;)");
    if (de_ctx->sig_list == NULL)
        goto end;

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

    int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http1_buf, http1_len);
    if (r != 0) {
        printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
        result = 0;
        goto end;
    }

    http_state = f.alstate;
    if (http_state == NULL) {
        printf("no http state: \n");
        result = 0;
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);

    if ((PacketAlertCheck(p1, 1))) {
        printf("sid 1 didn't match but should have\n");
        goto end;
    }

    r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
    if (r != 0) {
        printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
        result = 0;
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);

    if (!(PacketAlertCheck(p2, 1))) {
        printf("sid 1 didn't match but should have");
        goto end;
    }

    result = 1;
end:
    if (de_ctx != NULL)
        SigGroupCleanup(de_ctx);
    if (de_ctx != NULL)
        SigCleanSignatures(de_ctx);
    if (de_ctx != NULL)
        DetectEngineCtxFree(de_ctx);

    StreamTcpFreeConfig(TRUE);
    FLOW_DESTROY(&f);
    UTHFreePackets(&p1, 1);
    UTHFreePackets(&p2, 1);
    return result;
}

/**
 *\test Test that the negated http_user_agent content matches against a
 *      http request which doesn't hold the content.
 */
static int DetectHttpUATest11(void)
{
    TcpSession ssn;
    Packet *p = NULL;
    ThreadVars th_v;
    DetectEngineCtx *de_ctx = NULL;
    DetectEngineThreadCtx *det_ctx = NULL;
    HtpState *http_state = NULL;
    Flow f;
    uint8_t http_buf[] =
        "GET /index.html HTTP/1.0\r\n"
        "Host: www.openinfosecfoundation.org\r\n"
        "User-Agent: This is dummy message body\r\n"
        "Content-Type: text/html\r\n"
        "\r\n";
    uint32_t http_len = sizeof(http_buf) - 1;
    int result = 0;

    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.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);

    de_ctx = DetectEngineCtxInit();
    if (de_ctx == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;

    de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
                               "(msg:\"http user agent test\"; "
                               "content:!\"message\"; http_user_agent; "
                               "sid:1;)");
    if (de_ctx->sig_list == NULL)
        goto end;

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

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

    http_state = f.alstate;
    if (http_state == NULL) {
        printf("no http state: ");
        result = 0;
        goto end;
    }

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

    if (PacketAlertCheck(p, 1)) {
        printf("sid 1 matched but shouldn't have");
        goto end;
    }

    result = 1;
end:
    if (de_ctx != NULL)
        SigGroupCleanup(de_ctx);
    if (de_ctx != NULL)
        SigCleanSignatures(de_ctx);
    if (de_ctx != NULL)
        DetectEngineCtxFree(de_ctx);

    StreamTcpFreeConfig(TRUE);
    FLOW_DESTROY(&f);
    UTHFreePackets(&p, 1);
    return result;
}

/**
 *\test Negative test that the negated http_user_agent content matches against a
 *      http request which holds hold the content.
 */
static int DetectHttpUATest12(void)
{
    TcpSession ssn;
    Packet *p = NULL;
    ThreadVars th_v;
    DetectEngineCtx *de_ctx = NULL;
    DetectEngineThreadCtx *det_ctx = NULL;
    HtpState *http_state = NULL;
    Flow f;
    uint8_t http_buf[] =
        "GET /index.html HTTP/1.0\r\n"
        "Host: www.openinfosecfoundation.org\r\n"
        "User-Agent: This is dummy body\r\n"
        "\r\n";
    uint32_t http_len = sizeof(http_buf) - 1;
    int result = 0;

    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.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);

    de_ctx = DetectEngineCtxInit();
    if (de_ctx == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;

    de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
                               "(msg:\"http user agent test\"; "
                               "content:!\"message\"; http_user_agent; "
                               "sid:1;)");
    if (de_ctx->sig_list == NULL)
        goto end;

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

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

    http_state = f.alstate;
    if (http_state == NULL) {
        printf("no http state: ");
        result = 0;
        goto end;
    }

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

    if (!(PacketAlertCheck(p, 1))) {
        printf("sid 1 didn't match but should have");
        goto end;
    }

    result = 1;
end:
    if (de_ctx != NULL)
        SigGroupCleanup(de_ctx);
    if (de_ctx != NULL)
        SigCleanSignatures(de_ctx);
    if (de_ctx != NULL)
        DetectEngineCtxFree(de_ctx);

    StreamTcpFreeConfig(TRUE);
    FLOW_DESTROY(&f);
    UTHFreePackets(&p, 1);
    return result;
}

/**
 * \test Test that the http_user_agent content matches against a http request
 *       which holds the content.
 */
static int DetectHttpUATest13(void)
{
    TcpSession ssn;
    Packet *p = NULL;
    ThreadVars th_v;
    DetectEngineCtx *de_ctx = NULL;
    DetectEngineThreadCtx *det_ctx = NULL;
    HtpState *http_state = NULL;
    Flow f;
    uint8_t http_buf[] =
        "GET /index.html HTTP/1.0\r\n"
        "Host: www.openinfosecfoundation.org\r\n"
        "User-Agent: longbufferabcdefghijklmnopqrstuvwxyz0123456789bufferend\r\n"
        "Content-Type: text/html\r\n"
        "\r\n";
    uint32_t http_len = sizeof(http_buf) - 1;
    int result = 0;


    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.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);

    de_ctx = DetectEngineCtxInit();
    if (de_ctx == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;

    de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
                               "(msg:\"http user agent test\"; "
                               "content:\"abcdefghijklmnopqrstuvwxyz0123456789\"; http_user_agent; "
                               "sid:1;)");
    if (de_ctx->sig_list == NULL)
        goto end;

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

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

    http_state = f.alstate;
    if (http_state == NULL) {
        printf("no http state: ");
        result = 0;
        goto end;
    }

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

    if (!(PacketAlertCheck(p, 1))) {
        printf("sid 1 didn't match but should have");
        goto end;
    }

    result = 1;
end:
    if (de_ctx != NULL)
        SigGroupCleanup(de_ctx);
    if (de_ctx != NULL)
        SigCleanSignatures(de_ctx);
    if (de_ctx != NULL)
        DetectEngineCtxFree(de_ctx);

    StreamTcpFreeConfig(TRUE);
    FLOW_DESTROY(&f);
    UTHFreePackets(&p, 1);
    return result;
}

/**
 * \test multiple http transactions and body chunks of request handling
 */
static int DetectHttpUATest14(void)
{
    int result = 0;
    Signature *s = NULL;
    DetectEngineThreadCtx *det_ctx = NULL;
    ThreadVars th_v;
    Flow f;
    TcpSession ssn;
    Packet *p = NULL;
    uint8_t httpbuf1[] = "POST / HTTP/1.1\r\n";
    uint8_t httpbuf2[] = "Cookie: dummy1\r\n";
    uint8_t httpbuf3[] = "User-Agent: Body one!!\r\n\r\n";
    uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
    uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
    uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */
    uint8_t httpbuf4[] = "GET /?var=val HTTP/1.1\r\n";
    uint8_t httpbuf5[] = "Cookie: dummy2\r\n";
    uint8_t httpbuf6[] = "User-Agent: Body two\r\n\r\n";
    uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */
    uint32_t httplen5 = sizeof(httpbuf5) - 1; /* minus the \0 */
    uint32_t httplen6 = sizeof(httpbuf6) - 1; /* minus the \0 */

    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 = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (content:\"POST\"; http_method; content:\"dummy1\"; http_cookie; content:\"Body one\"; http_user_agent; sid:1; rev:1;)");
    if (s == NULL) {
        printf("sig parse failed: ");
        goto end;
    }
    s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (content:\"GET\"; http_method; content:\"dummy2\"; http_cookie; content:\"Body two\"; http_user_agent; sid:2; rev:1;)");
    if (s == NULL) {
        printf("sig2 parse failed: ");
        goto end;
    }

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

    int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf1, httplen1);
    if (r != 0) {
        printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    if (PacketAlertCheck(p, 1)) {
        printf("sig 1 alerted: ");
        goto end;
    }
    p->alerts.cnt = 0;

    r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf2, httplen2);
    if (r != 0) {
        printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    if (PacketAlertCheck(p, 1)) {
        printf("sig 1 alerted (2): ");
        goto end;
    }
    p->alerts.cnt = 0;

    r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf3, httplen3);
    if (r != 0) {
        printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    if (!(PacketAlertCheck(p, 1))) {
        printf("sig 1 didn't alert: ");
        goto end;
    }
    p->alerts.cnt = 0;

    r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf4, httplen4);
    if (r != 0) {
        printf("toserver chunk 5 returned %" PRId32 ", expected 0: ", r);
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    if (PacketAlertCheck(p, 1) || PacketAlertCheck(p, 2)) {
        printf("sig 1 alerted (4): ");
        goto end;
    }
    p->alerts.cnt = 0;

    r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf5, httplen5);
    if (r != 0) {
        printf("toserver chunk 6 returned %" PRId32 ", expected 0: ", r);
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    if ((PacketAlertCheck(p, 1)) || (PacketAlertCheck(p, 2))) {
        printf("sig 1 alerted (request 2, chunk 6): ");
        goto end;
    }
    p->alerts.cnt = 0;

    SCLogDebug("sending data chunk 7");

    r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf6, httplen6);
    if (r != 0) {
        printf("toserver chunk 7 returned %" PRId32 ", expected 0: ", r);
        goto end;
    }

    /* do detect */
    SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
    if (PacketAlertCheck(p, 1) || !(PacketAlertCheck(p, 2))) {
        printf("signature 2 didn't match or sig 1 matched, but shouldn't have: ");
        goto end;
    }
    p->alerts.cnt = 0;

    HtpState *htp_state = f.alstate;
    if (htp_state == NULL) {
        printf("no http state: ");
        result = 0;
        goto end;
    }

    if (list_size(htp_state->connp->conn->transactions) != 2) {
        printf("The http app layer doesn't have 2 transactions, but it should: ");
        goto end;
    }

    result = 1;
end:
    if (det_ctx != NULL) {
        DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
    }
    if (de_ctx != NULL) {
        SigGroupCleanup(de_ctx);
        DetectEngineCtxFree(de_ctx);
    }

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

int DetectHttpUATest16(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; content:\"one\"; http_user_agent; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
    DetectContentData *huad = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (cd->id == huad->id)
        goto end;

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest17(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; http_user_agent; content:\"one\"; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
    DetectContentData *huad = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (cd->id == huad->id)
        goto end;

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest18(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; content:\"one\"; content:\"one\"; http_user_agent; content:\"one\"; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
    DetectContentData *huad = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (cd->id != 0 || huad->id != 1)
        goto end;

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest19(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; http_user_agent; content:\"one\"; content:\"one\"; content:\"one\"; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
    DetectContentData *huad = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (cd->id != 1 || huad->id != 0)
        goto end;

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest20(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; http_user_agent; "
                               "content:\"one\"; content:\"one\"; http_user_agent; content:\"one\"; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
    DetectContentData *huad1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    DetectContentData *huad2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    if (cd->id != 1 || huad1->id != 0 || huad2->id != 0)
        goto end;

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest21(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; http_user_agent; "
                               "content:\"one\"; content:\"one\"; http_user_agent; content:\"two\"; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
    DetectContentData *huad1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    DetectContentData *huad2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    if (cd->id != 2 || huad1->id != 0 || huad2->id != 0)
        goto end;

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}














int DetectHttpUATest22(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; content:\"two\"; http_user_agent; "
                               "content:\"three\"; distance:10; http_user_agent; content:\"four\"; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectContentData *cd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
    DetectContentData *cd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
    DetectContentData *huad1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    DetectContentData *huad2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (cd1->flags != 0 || memcmp(cd1->content, "one", cd1->content_len) != 0 ||
        cd2->flags != 0 || memcmp(cd2->content, "four", cd2->content_len) != 0 ||
        huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
        memcmp(huad1->content, "two", huad1->content_len) != 0 ||
        huad2->flags != DETECT_CONTENT_DISTANCE ||
        memcmp(huad2->content, "three", huad1->content_len) != 0) {
        goto end;
    }

    if (!DETECT_CONTENT_IS_SINGLE(cd1) ||
        !DETECT_CONTENT_IS_SINGLE(cd2) ||
        DETECT_CONTENT_IS_SINGLE(huad1) ||
        DETECT_CONTENT_IS_SINGLE(huad2)) {
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest23(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; http_user_agent; pcre:/two/; "
                               "content:\"three\"; distance:10; http_user_agent; content:\"four\"; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
    DetectContentData *cd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
    DetectContentData *huad1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    DetectContentData *huad2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (pd1->flags != 0 ||
        cd2->flags != 0 || memcmp(cd2->content, "four", cd2->content_len) != 0 ||
        huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
        memcmp(huad1->content, "one", huad1->content_len) != 0 ||
        huad2->flags != DETECT_CONTENT_DISTANCE ||
        memcmp(huad2->content, "three", huad1->content_len) != 0) {
        goto end;
    }

    if (!DETECT_CONTENT_IS_SINGLE(cd2) ||
        DETECT_CONTENT_IS_SINGLE(huad1) ||
        DETECT_CONTENT_IS_SINGLE(huad2)) {
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest24(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; http_user_agent; pcre:/two/; "
                               "content:\"three\"; distance:10; within:15; http_user_agent; content:\"four\"; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
    DetectContentData *cd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
    DetectContentData *huad1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    DetectContentData *huad2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (pd1->flags != 0 ||
        cd2->flags != 0 || memcmp(cd2->content, "four", cd2->content_len) != 0 ||
        huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
        memcmp(huad1->content, "one", huad1->content_len) != 0 ||
        huad2->flags != (DETECT_CONTENT_DISTANCE | DETECT_CONTENT_WITHIN) ||
        memcmp(huad2->content, "three", huad1->content_len) != 0) {
        goto end;
    }

    if (!DETECT_CONTENT_IS_SINGLE(cd2) ||
        DETECT_CONTENT_IS_SINGLE(huad1) ||
        DETECT_CONTENT_IS_SINGLE(huad2)) {
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest25(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; http_user_agent; pcre:/two/; "
                               "content:\"three\"; distance:10; http_user_agent; "
                               "content:\"four\"; distance:10; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
    DetectContentData *cd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
    DetectContentData *huad1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    DetectContentData *huad2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (pd1->flags != DETECT_PCRE_RELATIVE_NEXT ||
        cd2->flags != DETECT_CONTENT_DISTANCE ||
        memcmp(cd2->content, "four", cd2->content_len) != 0 ||
        huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
        memcmp(huad1->content, "one", huad1->content_len) != 0 ||
        huad2->flags != DETECT_CONTENT_DISTANCE ||
        memcmp(huad2->content, "three", huad1->content_len) != 0) {
        goto end;
    }

    if (DETECT_CONTENT_IS_SINGLE(cd2) ||
        DETECT_CONTENT_IS_SINGLE(huad1) ||
        DETECT_CONTENT_IS_SINGLE(huad2)) {
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest26(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; offset:10; http_user_agent; pcre:/two/; "
                               "content:\"three\"; distance:10; http_user_agent; within:10; "
                               "content:\"four\"; distance:10; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
    DetectContentData *cd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
    DetectContentData *huad1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    DetectContentData *huad2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT) ||
        cd2->flags != DETECT_CONTENT_DISTANCE ||
        memcmp(cd2->content, "four", cd2->content_len) != 0 ||
        huad1->flags != (DETECT_CONTENT_RELATIVE_NEXT | DETECT_CONTENT_OFFSET) ||
        memcmp(huad1->content, "one", huad1->content_len) != 0 ||
        huad2->flags != (DETECT_CONTENT_DISTANCE | DETECT_CONTENT_WITHIN) ||
        memcmp(huad2->content, "three", huad1->content_len) != 0) {
        printf ("failed: http_user_agent incorrect flags");
        goto end;
    }

    if (DETECT_CONTENT_IS_SINGLE(cd2) ||
        DETECT_CONTENT_IS_SINGLE(huad1) ||
        DETECT_CONTENT_IS_SINGLE(huad2)) {
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest27(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; offset:10; http_user_agent; pcre:/two/; "
                               "content:\"three\"; distance:10; http_user_agent; within:10; "
                               "content:\"four\"; distance:10; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest28(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; http_user_agent; pcre:/two/; "
                               "content:\"three\"; http_user_agent; depth:10; "
                               "content:\"four\"; distance:10; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
    DetectContentData *cd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
    DetectContentData *huad1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    DetectContentData *huad2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT) ||
        cd2->flags != DETECT_CONTENT_DISTANCE ||
        memcmp(cd2->content, "four", cd2->content_len) != 0 ||
        huad1->flags != 0 ||
        memcmp(huad1->content, "one", huad1->content_len) != 0 ||
        huad2->flags != DETECT_CONTENT_DEPTH ||
        memcmp(huad2->content, "three", huad1->content_len) != 0) {
        goto end;
    }

    if (DETECT_CONTENT_IS_SINGLE(cd2) ||
        !DETECT_CONTENT_IS_SINGLE(huad1) ||
        DETECT_CONTENT_IS_SINGLE(huad2)) {
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest29(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; http_user_agent; "
                               "content:\"two\"; distance:0; http_user_agent; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectContentData *huad1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    DetectContentData *huad2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
        memcmp(huad1->content, "one", huad1->content_len) != 0 ||
        huad2->flags != DETECT_CONTENT_DISTANCE ||
        memcmp(huad2->content, "two", huad1->content_len) != 0) {
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest30(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; http_user_agent; "
                               "content:\"two\"; within:5; http_user_agent; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    DetectContentData *huad1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    DetectContentData *huad2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
        memcmp(huad1->content, "one", huad1->content_len) != 0 ||
        huad2->flags != DETECT_CONTENT_WITHIN ||
        memcmp(huad2->content, "two", huad1->content_len) != 0) {
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest31(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; within:5; http_user_agent; sid:1;)");
    if (de_ctx->sig_list != NULL) {
        printf("de_ctx->sig_list != NULL\n");
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest32(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; http_user_agent; within:5; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list != NULL\n");
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest33(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"one\"; within:5; sid:1;)");
    if (de_ctx->sig_list != NULL) {
        printf("de_ctx->sig_list != NULL\n");
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest34(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(pcre:/one/V; "
                               "content:\"two\"; within:5; http_user_agent; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH] == NULL ||
        de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->type != DETECT_CONTENT ||
        de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev == NULL ||
        de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->type != DETECT_PCRE) {

        goto end;
    }

    DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    DetectContentData *huad2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT | DETECT_PCRE_HTTP_USER_AGENT) ||
        huad2->flags != DETECT_CONTENT_WITHIN ||
        memcmp(huad2->content, "two", huad2->content_len) != 0) {
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest35(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(content:\"two\"; http_user_agent; "
                               "pcre:/one/VR; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH] == NULL ||
        de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->type != DETECT_PCRE ||
        de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev == NULL ||
        de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->type != DETECT_CONTENT) {

        goto end;
    }

    DetectContentData *huad1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    DetectPcreData *pd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (pd2->flags != (DETECT_PCRE_RELATIVE | DETECT_PCRE_HTTP_USER_AGENT) ||
        huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
        memcmp(huad1->content, "two", huad1->content_len) != 0) {
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

int DetectHttpUATest36(void)
{
    DetectEngineCtx *de_ctx = NULL;
    int result = 0;

    if ( (de_ctx = DetectEngineCtxInit()) == NULL)
        goto end;

    de_ctx->flags |= DE_QUIET;
    de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                               "(pcre:/one/V; "
                               "content:\"two\"; distance:5; http_user_agent; sid:1;)");
    if (de_ctx->sig_list == NULL) {
        printf("de_ctx->sig_list == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
        printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
        goto end;
    }

    if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH] == NULL ||
        de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->type != DETECT_CONTENT ||
        de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev == NULL ||
        de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->type != DETECT_PCRE) {

        goto end;
    }

    DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
    DetectContentData *huad2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
    if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT | DETECT_PCRE_HTTP_USER_AGENT) ||
        huad2->flags != DETECT_CONTENT_DISTANCE ||
        memcmp(huad2->content, "two", huad2->content_len) != 0) {
        goto end;
    }

    result = 1;

 end:
    SigCleanSignatures(de_ctx);
    DetectEngineCtxFree(de_ctx);
    return result;
}

#endif /* UNITTESTS */

void DetectHttpUARegisterTests(void)
{
#ifdef UNITTESTS
    UtRegisterTest("DetectHttpUATest01", DetectHttpUATest01, 1);
    UtRegisterTest("DetectHttpUATest02", DetectHttpUATest02, 1);
    UtRegisterTest("DetectHttpUATest03", DetectHttpUATest03, 1);
    UtRegisterTest("DetectHttpUATest04", DetectHttpUATest04, 1);
    UtRegisterTest("DetectHttpUATest05", DetectHttpUATest05, 1);
    UtRegisterTest("DetectHttpUATest06", DetectHttpUATest06, 1);
    UtRegisterTest("DetectHttpUATest07", DetectHttpUATest07, 1);
    UtRegisterTest("DetectHttpUATest08", DetectHttpUATest08, 1);
    UtRegisterTest("DetectHttpUATest09", DetectHttpUATest09, 1);
    UtRegisterTest("DetectHttpUATest10", DetectHttpUATest10, 1);
    UtRegisterTest("DetectHttpUATest11", DetectHttpUATest11, 1);
    UtRegisterTest("DetectHttpUATest12", DetectHttpUATest12, 1);
    UtRegisterTest("DetectHttpUATest13", DetectHttpUATest13, 1);
    UtRegisterTest("DetectHttpUATest14", DetectHttpUATest14, 1);

    UtRegisterTest("DetectHttpUATest16", DetectHttpUATest16, 1);
    UtRegisterTest("DetectHttpUATest17", DetectHttpUATest17, 1);
    UtRegisterTest("DetectHttpUATest18", DetectHttpUATest18, 1);
    UtRegisterTest("DetectHttpUATest19", DetectHttpUATest19, 1);
    UtRegisterTest("DetectHttpUATest20", DetectHttpUATest20, 1);
    UtRegisterTest("DetectHttpUATest21", DetectHttpUATest21, 1);

    UtRegisterTest("DetectHttpUATest22", DetectHttpUATest22, 1);
    UtRegisterTest("DetectHttpUATest23", DetectHttpUATest23, 1);
    UtRegisterTest("DetectHttpUATest24", DetectHttpUATest24, 1);
    UtRegisterTest("DetectHttpUATest25", DetectHttpUATest25, 1);
    UtRegisterTest("DetectHttpUATest26", DetectHttpUATest26, 1);
    UtRegisterTest("DetectHttpUATest27", DetectHttpUATest27, 1);
    UtRegisterTest("DetectHttpUATest28", DetectHttpUATest28, 1);
    UtRegisterTest("DetectHttpUATest29", DetectHttpUATest29, 1);
    UtRegisterTest("DetectHttpUATest30", DetectHttpUATest30, 1);
    UtRegisterTest("DetectHttpUATest31", DetectHttpUATest31, 1);
    UtRegisterTest("DetectHttpUATest32", DetectHttpUATest32, 1);
    UtRegisterTest("DetectHttpUATest33", DetectHttpUATest33, 1);
    UtRegisterTest("DetectHttpUATest34", DetectHttpUATest34, 1);
    UtRegisterTest("DetectHttpUATest35", DetectHttpUATest35, 1);
    UtRegisterTest("DetectHttpUATest36", DetectHttpUATest36, 1);
#endif /* UNITTESTS */

    return;
}
/**
 * @}
 */