/* Copyright (C) 2007-2010 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>
 *
 * \brief Handle HTTP header match
 *
 */

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

#include "detect.h"
#include "detect-engine.h"
#include "detect-engine-hhd.h"
#include "detect-engine-mpm.h"
#include "detect-parse.h"
#include "detect-engine-state.h"
#include "detect-pcre.h"
#include "detect-isdataat.h"
#include "detect-bytetest.h"
#include "detect-bytejump.h"

#include "flow-util.h"
#include "util-spm.h"
#include "util-debug.h"
#include "util-print.h"
#include "flow.h"
#include "detect-flow.h"
#include "flow-var.h"
#include "threads.h"
#include "flow-alert-sid.h"

#include "stream-tcp.h"
#include "stream.h"
#include "app-layer-parser.h"

#include "util-unittest.h"
#include "util-unittest-helper.h"
#include "app-layer.h"
#include "app-layer-htp.h"
#include "app-layer-protos.h"

/**
 * \brief Run the actual payload match function for http header.
 *
 *        For accounting the last match in relative matching the
 *        det_ctx->payload_offset var is used.
 *
 * \param de_ctx      Detection engine context.
 * \param det_ctx     Detection engine thread context.
 * \param s           Signature to inspect.
 * \param sm          SigMatch to inspect.
 * \param payload     Ptr to the http headers buffer to inspect.
 * \param payload_len Length of the http headers buffer.
 *
 * \retval 0 no match.
 * \retval 1 match.
 */
static int DoInspectHttpHeader(DetectEngineCtx *de_ctx,
                               DetectEngineThreadCtx *det_ctx,
                               Signature *s, SigMatch *sm,
                               uint8_t *payload, uint32_t payload_len)
{
    SCEnter();

    det_ctx->inspection_recursion_counter++;

    if (det_ctx->inspection_recursion_counter == de_ctx->inspection_recursion_limit) {
        det_ctx->discontinue_matching = 1;
        SCReturnInt(0);
    }

    if (sm == NULL) {
        SCReturnInt(0);
    }

    if (sm->type == DETECT_AL_HTTP_HEADER) {
        if (payload_len == 0) {
            SCReturnInt(0);
        }

        DetectContentData *cd = (DetectContentData *)sm->ctx;
        SCLogDebug("inspecting http headers %"PRIu32" payload_len %"PRIu32,
                   cd->id, payload_len);

        //if (cd->flags & DETECT_CONTENT_HHD_MPM && !(cd->flags & DETECT_CONTENT_NEGATED))
        //    goto match;

        /* rule parsers should take care of this */
#ifdef DEBUG
        BUG_ON(cd->depth != 0 && cd->depth <= cd->offset);
#endif

        /* search for our pattern, checking the matches recursively.
         * if we match we look for the next SigMatch as well */
        uint8_t *found = NULL;
        uint32_t offset = 0;
        uint32_t depth = payload_len;
        uint32_t prev_offset = 0; /**< used in recursive searching */
        uint32_t prev_payload_offset = det_ctx->payload_offset;

        do {
            if (cd->flags & DETECT_CONTENT_DISTANCE ||
                cd->flags & DETECT_CONTENT_WITHIN) {
                SCLogDebug("prev_payload_offset %"PRIu32, prev_payload_offset);

                offset = prev_payload_offset;
                depth = payload_len;

                if (cd->flags & DETECT_CONTENT_DISTANCE) {
                    if (cd->distance < 0 && (uint32_t)(abs(cd->distance)) > offset)
                        offset = 0;
                    else
                        offset += cd->distance;
                }

                if (cd->flags & DETECT_CONTENT_WITHIN) {
                    if ((int32_t)depth > (int32_t)(prev_payload_offset + cd->within + cd->distance)) {
                        depth = prev_payload_offset + cd->within + cd->distance;
                    }
                }

                if (cd->depth != 0) {
                    if ((cd->depth + prev_payload_offset) < depth) {
                        depth = prev_payload_offset + cd->depth;
                    }
                }

                if (cd->offset > offset) {
                    offset = cd->offset;
                }
            } else { /* implied no relative matches */
                /* set depth */
                if (cd->depth != 0) {
                    depth = cd->depth;
                }

                /* set offset */
                offset = cd->offset;
                prev_payload_offset = 0;
            }

            /* update offset with prev_offset if we're searching for
             * matches after the first occurence. */
            if (prev_offset != 0)
                offset = prev_offset;

            if (depth > payload_len)
                depth = payload_len;

            /* if offset is bigger than depth we can never match on a pattern.
             * We can however, "match" on a negated pattern. */
            if (offset > depth || depth == 0) {
                if (cd->flags & DETECT_CONTENT_NEGATED) {
                    goto match;
                } else {
                    SCReturnInt(0);
                }
            }

            uint8_t *spayload = payload + offset;
            uint32_t spayload_len = depth - offset;
            uint32_t match_offset = 0;
#ifdef DEBUG
            BUG_ON(spayload_len > payload_len);
#endif

            /* do the actual search with boyer moore precooked ctx */
            if (cd->flags & DETECT_CONTENT_NOCASE) {
                found = BoyerMooreNocase(cd->content, cd->content_len,
                                         spayload, spayload_len,
                                         cd->bm_ctx->bmGs, cd->bm_ctx->bmBc);
            } else {
                found = BoyerMoore(cd->content, cd->content_len,
                                   spayload, spayload_len,
                                   cd->bm_ctx->bmGs, cd->bm_ctx->bmBc);
            }

            /* next we evaluate the result in combination with the
             * negation flag. */
            if (found == NULL && !(cd->flags & DETECT_CONTENT_NEGATED)) {
                SCReturnInt(0);
            } else if (found == NULL && cd->flags & DETECT_CONTENT_NEGATED) {
                goto match;
            } else if (found != NULL && cd->flags & DETECT_CONTENT_NEGATED) {
                det_ctx->discontinue_matching = 1;
                SCReturnInt(0);
            } else {
                match_offset = (uint32_t)((found - payload) + cd->content_len);
                det_ctx->payload_offset = match_offset;

                if (!(cd->flags & DETECT_CONTENT_RELATIVE_NEXT)) {
                    SCLogDebug("no relative match coming up, so this is a match");
                    goto match;
                }

                /* bail out if we have no next match. Technically this is an
                 * error, as the current cd has the DETECT_CONTENT_RELATIVE_NEXT
                 * flag set. */
                if (sm->next == NULL) {
                    SCReturnInt(0);
                }

                /* see if the next payload keywords match. If not, we will
                 * search for another occurence of this http header content and
                 * see if the others match then until we run out of matches */
                int r = DoInspectHttpHeader(de_ctx, det_ctx, s, sm->next,
                                            payload, payload_len);
                if (r == 1) {
                    SCReturnInt(1);
                }

                if (det_ctx->discontinue_matching)
                    SCReturnInt(0);

                /* set the previous match offset to the start of this match + 1 */
                prev_offset = (match_offset - (cd->content_len - 1));
                SCLogDebug("trying to see if there is another match after "
                           "prev_offset %"PRIu32, prev_offset);
            }

        } while(1);

    } else if (sm->type == DETECT_PCRE) {
        SCLogDebug("inspecting pcre");
        DetectPcreData *pe = (DetectPcreData *)sm->ctx;
        uint32_t prev_payload_offset = det_ctx->payload_offset;
        uint32_t prev_offset = 0;
        int r = 0;

        det_ctx->pcre_match_start_offset = 0;
        do {
            r = DetectPcrePayloadMatch(det_ctx, s, sm, NULL, NULL,
                                       payload, payload_len);

            if (r == 0) {
                det_ctx->discontinue_matching = 1;
                SCReturnInt(0);
            }

            if (!(pe->flags & DETECT_PCRE_RELATIVE_NEXT)) {
                SCLogDebug("no relative match coming up, so this is a match");
                goto match;
            }

            /* save it, in case we need to do a pcre match once again */
            prev_offset = det_ctx->pcre_match_start_offset;

            /* see if the next payload keywords match. If not, we will
             * search for another occurence of this pcre and see
             * if the others match, until we run out of matches */
            int r = DoInspectHttpHeader(de_ctx, det_ctx, s, sm->next,
                                        payload, payload_len);
            if (r == 1) {
                SCReturnInt(1);
            }

            if (det_ctx->discontinue_matching)
                SCReturnInt(0);

            det_ctx->payload_offset = prev_payload_offset;
            det_ctx->pcre_match_start_offset = prev_offset;
        } while (1);
    } else {
        /* we should never get here, but bail out just in case */
        SCLogDebug("sm->type %u", sm->type);
#ifdef DEBUG
        BUG_ON(1);
#endif
    }

    SCReturnInt(0);

match:
    /* this sigmatch matched, inspect the next one. If it was the last,
     * the payload portion of the signature matched. */
    if (sm->next != NULL) {
        int r = DoInspectHttpHeader(de_ctx, det_ctx, s, sm->next, payload,
                                    payload_len);
        SCReturnInt(r);
    } else {
        SCReturnInt(1);
    }
}

/**
 * \brief Helps buffer http normalized headers from different transactions and
 *        stores them away in detection context.
 *
 * \param de_ctx    Detection engine ctx.
 * \param det_ctx   Detection engine thread ctx.
 * \param f         Pointer to the locked flow.
 * \param htp_state http state.
 *
 * \warning Make sure flow is locked.
 */
static void DetectEngineBufferHttpHeaders(DetectEngineThreadCtx *det_ctx, Flow *f,
                                          HtpState *htp_state, uint8_t flags)
{
    int idx = 0;
    htp_tx_t *tx = NULL;
    int i = 0;

    if (htp_state == NULL) {
        SCLogDebug("no HTTP state");
        goto end;
    }

    if (htp_state->connp == NULL || htp_state->connp->conn == NULL) {
        SCLogDebug("HTP state has no conn(p)");
        goto end;
    }

    /* get the transaction id */
    int tmp_idx = AppLayerTransactionGetInspectId(f);
    /* error!  get out of here */
    if (tmp_idx == -1)
        goto end;

    /* let's get the transaction count.  We need this to hold the header
     * buffer for each transaction */
    det_ctx->hhd_buffers_list_len = list_size(htp_state->connp->conn->transactions) - tmp_idx;
    /* no transactions?!  cool.  get out of here */
    if (det_ctx->hhd_buffers_list_len == 0)
        goto end;

    /* assign space to hold buffers.  Each per transaction */
    det_ctx->hhd_buffers = SCMalloc(det_ctx->hhd_buffers_list_len * sizeof(uint8_t *));
    if (det_ctx->hhd_buffers == NULL) {
        goto end;
    }
    memset(det_ctx->hhd_buffers, 0, det_ctx->hhd_buffers_list_len * sizeof(uint8_t *));

    det_ctx->hhd_buffers_len = SCMalloc(det_ctx->hhd_buffers_list_len * sizeof(uint32_t));
    if (det_ctx->hhd_buffers_len == NULL) {
        goto end;
    }
    memset(det_ctx->hhd_buffers_len, 0, det_ctx->hhd_buffers_list_len * sizeof(uint32_t));

    idx = AppLayerTransactionGetInspectId(f);
    if (idx == -1) {
        goto end;
    }

    int size = (int)list_size(htp_state->connp->conn->transactions);
    for (; idx < size; idx++, i++) {

        tx = list_get(htp_state->connp->conn->transactions, idx);
        if (tx == NULL)
            continue;

        table_t *headers;
        if (flags & STREAM_TOSERVER) {
            headers = tx->request_headers;
        } else {
            headers = tx->response_headers;
        }

        htp_header_t *h = NULL;
        uint8_t *headers_buffer = NULL;
        size_t headers_buffer_len = 0;

        table_iterator_reset(headers);
        while (table_iterator_next(headers, (void **)&h) != NULL) {
            size_t size1 = bstr_size(h->name);
            size_t size2 = bstr_size(h->value);

            /* the extra 4 bytes if for ": " and "\r\n" */
            headers_buffer = SCRealloc(headers_buffer, headers_buffer_len + size1 + size2 + 4);
            if (headers_buffer == NULL) {
                continue;
            }

            memcpy(headers_buffer + headers_buffer_len, bstr_ptr(h->name), size1);
            headers_buffer_len += size1;
            headers_buffer[headers_buffer_len] = ':';
            headers_buffer[headers_buffer_len + 1] = ' ';
            headers_buffer_len += 2;
            memcpy(headers_buffer + headers_buffer_len, bstr_ptr(h->value), size2);
            headers_buffer_len += size2 + 2;
            /* \r */
            headers_buffer[headers_buffer_len - 2] = '\r';
            /* \n */
            headers_buffer[headers_buffer_len - 1] = '\n';
        }

        /* store the buffers.  We will need it for further inspection */
        det_ctx->hhd_buffers[i] = headers_buffer;
        det_ctx->hhd_buffers_len[i] = headers_buffer_len;

    } /* for (idx = AppLayerTransactionGetInspectId(f); .. */

end:
    return;
}

/**
 *  \brief run the mpm against the assembled http header buffer(s)
 *  \retval cnt Number of matches reported by the mpm algo.
 */
int DetectEngineRunHttpHeaderMpm(DetectEngineThreadCtx *det_ctx, Flow *f,
                                 HtpState *htp_state, uint8_t flags)
{
    int i;
    uint32_t cnt = 0;

    if (det_ctx->hhd_buffers_list_len == 0) {
        SCMutexLock(&f->m);
        DetectEngineBufferHttpHeaders(det_ctx, f, htp_state,
                                      (flags & STREAM_TOSERVER) ? STREAM_TOCLIENT : STREAM_TOSERVER);
        SCMutexUnlock(&f->m);

        for (i = 0; i < det_ctx->hhd_buffers_list_len; i++) {
            cnt += HttpHeaderPatternSearch(det_ctx,
                                           det_ctx->hhd_buffers[i],
                                           det_ctx->hhd_buffers_len[i],
                                           flags);
        }

        DetectEngineCleanHHDBuffers(det_ctx);

        SCMutexLock(&f->m);
        DetectEngineBufferHttpHeaders(det_ctx, f, htp_state, flags);
        SCMutexUnlock(&f->m);

        for (i = 0; i < det_ctx->hhd_buffers_list_len; i++) {
            cnt += HttpHeaderPatternSearch(det_ctx,
                                           det_ctx->hhd_buffers[i],
                                           det_ctx->hhd_buffers_len[i],
                                           flags);
        }
    } else {
        for (i = 0; i < det_ctx->hhd_buffers_list_len; i++) {
            cnt += HttpHeaderPatternSearch(det_ctx,
                                           det_ctx->hhd_buffers[i],
                                           det_ctx->hhd_buffers_len[i],
                                           flags);
        }

        uint16_t hhd_buffers_list_len = det_ctx->hhd_buffers_list_len;
        uint8_t **hhd_buffers = det_ctx->hhd_buffers;
        uint32_t *hhd_buffers_len = det_ctx->hhd_buffers_len;

        det_ctx->hhd_buffers_list_len = 0;
        det_ctx->hhd_buffers = NULL;
        det_ctx->hhd_buffers_len = NULL;

        SCMutexLock(&f->m);
        DetectEngineBufferHttpHeaders(det_ctx, f, htp_state,
                                      (flags & STREAM_TOSERVER) ? STREAM_TOCLIENT : STREAM_TOSERVER);
        SCMutexUnlock(&f->m);

        for (i = 0; i < det_ctx->hhd_buffers_list_len; i++) {
            cnt += HttpHeaderPatternSearch(det_ctx,
                                           det_ctx->hhd_buffers[i],
                                           det_ctx->hhd_buffers_len[i],
                                           flags);
        }

        DetectEngineCleanHHDBuffers(det_ctx);

        det_ctx->hhd_buffers_list_len = hhd_buffers_list_len;
        det_ctx->hhd_buffers = hhd_buffers;
        det_ctx->hhd_buffers_len = hhd_buffers_len;
    }

    return cnt;
}

/**
 * \brief Do the http_header content inspection for a signature.
 *
 * \param de_ctx  Detection engine context.
 * \param det_ctx Detection engine thread context.
 * \param s       Signature to inspect.
 * \param f       Flow.
 * \param flags   App layer flags.
 * \param state   App layer state.
 *
 * \retval 0 No match.
 * \retval 1 Match.
 */
int DetectEngineInspectHttpHeader(DetectEngineCtx *de_ctx,
                                  DetectEngineThreadCtx *det_ctx,
                                  Signature *s, Flow *f, uint8_t flags,
                                  void *alstate)
{
    SCEnter();
    int r = 0;
    int i = 0;

    if (det_ctx->hhd_buffers_list_len == 0) {
        SCMutexLock(&f->m);
        DetectEngineBufferHttpHeaders(det_ctx, f, alstate, flags);
        SCMutexUnlock(&f->m);
    }

    for (i = 0; i < det_ctx->hhd_buffers_list_len; i++) {
        uint8_t *hhd_buffer = det_ctx->hhd_buffers[i];
        uint32_t hhd_buffer_len = det_ctx->hhd_buffers_len[i];

        if (hhd_buffer == NULL)
            continue;

        r = DoInspectHttpHeader(de_ctx, det_ctx, s, s->sm_lists[DETECT_SM_LIST_HHDMATCH],
                                hhd_buffer, hhd_buffer_len);
        if (r == 1) {
            break;
        }
    }

    SCReturnInt(r);
}

/**
 * \brief Clean the hhd buffers.
 *
 * \param det_ctx Pointer to the detection engine thread ctx.
 */
void DetectEngineCleanHHDBuffers(DetectEngineThreadCtx *det_ctx)
{
    if (det_ctx->hhd_buffers_list_len != 0) {
        int i;
        for (i = 0; i < det_ctx->hhd_buffers_list_len; i++) {
            if (det_ctx->hhd_buffers[i] != NULL)
                SCFree(det_ctx->hhd_buffers[i]);
        }
        if (det_ctx->hhd_buffers != NULL) {
            SCFree(det_ctx->hhd_buffers);
            det_ctx->hhd_buffers = NULL;
        }
        if (det_ctx->hhd_buffers_len != NULL) {
            SCFree(det_ctx->hhd_buffers_len);
            det_ctx->hhd_buffers_len = NULL;
        }
        det_ctx->hhd_buffers_list_len = 0;
    }

    return;
}

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

#ifdef UNITTESTS

/**
 *\test Test that the http_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest01(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; http_header; "
                               "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_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest02(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; depth:15; http_header; "
                               "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_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest03(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:!\"one\"; depth:5; http_header; "
                               "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_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest04(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; depth:5; http_header; "
                               "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 Test that the http_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest05(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:!\"one\"; depth:15; http_header; "
                               "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 Test that the http_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest06(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; offset:10; http_header; "
                               "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_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest07(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:!\"one\"; offset:15; http_header; "
                               "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_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest08(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; offset:15; http_header; "
                               "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 Test that the http_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest09(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:!\"one\"; offset:10; http_header; "
                               "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 Test that the http_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest10(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; http_header; content:\"three\"; http_header; within:10; "
                               "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_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest11(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; http_header; content:!\"three\"; http_header; within:5; "
                               "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_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest12(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; http_header; content:!\"three\"; http_header; within:10; "
                               "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 Test that the http_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest13(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; http_header; content:\"three\"; http_header; within:5; "
                               "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 Test that the http_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest14(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; http_header; content:\"five\"; http_header; distance:7; "
                               "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_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest15(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; http_header; content:!\"five\"; http_header; distance:15; "
                               "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_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest16(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; http_header; content:!\"five\"; http_header; distance:7; "
                               "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 Test that the http_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest17(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.onetwothreefourfivesixseven.org\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 header test\"; "
                               "content:\"one\"; http_header; content:\"five\"; http_header; distance:15; "
                               "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 Test that the http_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest18(void)
{
    TcpSession ssn;
    Packet *p = NULL;
    ThreadVars th_v;
    DetectEngineCtx *de_ctx = NULL;
    DetectEngineThreadCtx *det_ctx = NULL;
    Flow f;
    uint8_t http_buf[] =
        "Host: www.onetwothreefourfivesixsevenfive.org\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 header test\"; "
                               "content:\"one\"; http_header; content:\"five\"; http_header; "
                               "sid:1;)");
    if (de_ctx->sig_list == NULL)
        goto end;

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

    /* start the search phase */
    det_ctx->sgh = SigMatchSignaturesGetSgh(de_ctx, det_ctx, p);
    uint32_t r = HttpHeaderPatternSearch(det_ctx, http_buf, http_len, STREAM_TOSERVER);
    if (r != 2) {
        printf("expected result 2, got %"PRIu32": ", r);
        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_header content matches against a http request
 *      which holds the content.
 */
static int DetectEngineHttpHeaderTest19(void)
{
    TcpSession ssn;
    Packet *p = NULL;
    ThreadVars th_v;
    DetectEngineCtx *de_ctx = NULL;
    DetectEngineThreadCtx *det_ctx = NULL;
    Flow f;
    uint8_t http_buf[] =
        "Host: www.onetwothreefourfivesixsevenfive.org\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 header test\"; "
                               "content:\"one\"; http_header; fast_pattern; content:\"five\"; http_header; "
                               "sid:1;)");
    if (de_ctx->sig_list == NULL)
        goto end;

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

    /* start the search phase */
    det_ctx->sgh = SigMatchSignaturesGetSgh(de_ctx, det_ctx, p);
    uint32_t r = HttpHeaderPatternSearch(det_ctx, http_buf, http_len, STREAM_TOSERVER);
    if (r != 1) {
        printf("expected result 1, got %"PRIu32": ", r);
        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;
}

static int DetectEngineHttpHeaderTest20(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: This_is_dummy_body1";
    uint8_t http2_buf[] =
        "This_is_dummy_message_body2\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 client body test\"; "
                               "pcre:/body1/H; "
                               "content:!\"dummy\"; http_header; within:7; "
                               "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 matched but shouldn't 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 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(&p1, 1);
    UTHFreePackets(&p2, 1);
    return result;
}

static int DetectEngineHttpHeaderTest21(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: This_is_dummy_body1";
    uint8_t http2_buf[] =
        "This_is_dummy_message_body2\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 client body test\"; "
                               "pcre:/body1/H; "
                               "content:!\"dummy\"; within:7; http_header; "
                               "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 matched but shouldn't 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 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(&p1, 1);
    UTHFreePackets(&p2, 1);
    return result;
}

static int DetectEngineHttpHeaderTest22(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: This_is_dummy_body1";
    uint8_t http2_buf[] =
        "This_is_dummy_message_body2\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 client body test\"; "
                               "pcre:/body1/H; "
                               "content:!\"dummy\"; distance:3; http_header; "
                               "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 matched but shouldn't 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 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(&p1, 1);
    UTHFreePackets(&p2, 1);
    return result;
}

static int DetectEngineHttpHeaderTest23(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: This_is_dummy_body1";
    uint8_t http2_buf[] =
        "This_is_dummy_message_body2\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 client body test\"; "
                               "pcre:/body1/H; "
                               "content:!\"dummy\"; distance:13; http_header; "
                               "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 matched but shouldn't 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;
}

static int DetectEngineHttpHeaderTest24(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: This_is_dummy_body1";
    uint8_t http2_buf[] =
        "This_is_dummy_message_body2\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 client body test\"; "
                               "pcre:/body1/H; "
                               "content:\"dummy\"; within:15; http_header; "
                               "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 matched but shouldn't 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;
}

static int DetectEngineHttpHeaderTest25(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: This_is_dummy_body1";
    uint8_t http2_buf[] =
        "This_is_dummy_message_body2\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 client body test\"; "
                               "pcre:/body1/H; "
                               "content:\"dummy\"; within:10; http_header; "
                               "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 matched but shouldn't 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 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(&p1, 1);
    UTHFreePackets(&p2, 1);
    return result;
}

static int DetectEngineHttpHeaderTest26(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: This_is_dummy_body1";
    uint8_t http2_buf[] =
        "This_is_dummy_message_body2\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 client body test\"; "
                               "pcre:/body1/H; "
                               "content:\"dummy\"; distance:8; http_header; "
                               "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 matched but shouldn't 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;
}

static int DetectEngineHttpHeaderTest27(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: This_is_dummy_body1";
    uint8_t http2_buf[] =
        "This_is_dummy_message_body2\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 client body test\"; "
                               "pcre:/body1/H; "
                               "content:\"dummy\"; distance:14; http_header; "
                               "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 matched but shouldn't 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 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(&p1, 1);
    UTHFreePackets(&p2, 1);
    return result;
}

static int DetectEngineHttpHeaderTest28(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 http_buf1[] =
        "GET /index.html HTTP/1.0\r\n"
        "Host: www.openinfosecfoundation.org\r\n"
        "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
        "\r\n";
    uint32_t http_buf1_len = sizeof(http_buf1) - 1;
    uint8_t http_buf2[] =
        "HTTP/1.0 200 ok\r\n"
        "Content-Type: text/html\r\n"
        "Content-Length: 6\r\n"
        "\r\n"
        "abcdef";
    uint32_t http_buf2_len = sizeof(http_buf2) - 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_TOCLIENT;
    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 header test\"; "
                               "content:\"Content-Length: 6\"; http_header; "
                               "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_buf1,
                          http_buf1_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 matched but shouldn't have\n");
        goto end;
    }

    r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_buf2_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;
}

static int DetectEngineHttpHeaderTest29(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 http_buf1[] =
        "GET /index.html HTTP/1.0\r\n"
        "Host: www.openinfosecfoundation.org\r\n"
        "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
        "\r\n";
    uint32_t http_buf1_len = sizeof(http_buf1) - 1;
    uint8_t http_buf2[] =
        "HTTP/1.0 200 ok\r\n"
        "Content-Type: text/html\r\n"
        "Content-Length: 6\r\n"
        "\r\n"
        "abcdef";
    uint32_t http_buf2_len = sizeof(http_buf2) - 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_TOCLIENT;
    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 header test\"; "
                               "content:\"Content-Length: 7\"; http_header; "
                               "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_buf1,
                          http_buf1_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 matched but shouldn't have\n");
        goto end;
    }

    r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_buf2_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 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(&p1, 1);
    UTHFreePackets(&p2, 1);
    return result;
}

#if 0

static int DetectEngineHttpHeaderTest30(void)
{
    int result = 0;
    DetectEngineCtx *de_ctx = DetectEngineCtxInit();

    if (de_ctx == NULL) {
        goto end;
    }

    de_ctx->sig_list = SigInit(de_ctx, "alert http any any -> any any "
                               "(msg:\"http header test\"; "
                               "content:\"Content-Length: 6\"; http_header; "
                               "content:\"User-Agent: Mozilla\"; http_header; "
                               "sid:1;)");
    if (de_ctx->sig_list != NULL) {
        goto end;
    }

    result = 1;

 end:
    if (de_ctx != NULL)
        SigCleanSignatures(de_ctx);
    if (de_ctx != NULL)
        DetectEngineCtxFree(de_ctx);
    return result;
}

#endif /* #if 0 */

#endif /* UNITTESTS */

void DetectEngineHttpHeaderRegisterTests(void)
{

#ifdef UNITTESTS
    UtRegisterTest("DetectEngineHttpHeaderTest01",
                   DetectEngineHttpHeaderTest01, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest02",
                   DetectEngineHttpHeaderTest02, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest03",
                   DetectEngineHttpHeaderTest03, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest04",
                   DetectEngineHttpHeaderTest04, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest05",
                   DetectEngineHttpHeaderTest05, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest06",
                   DetectEngineHttpHeaderTest06, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest07",
                   DetectEngineHttpHeaderTest07, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest08",
                   DetectEngineHttpHeaderTest08, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest09",
                   DetectEngineHttpHeaderTest09, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest10",
                   DetectEngineHttpHeaderTest10, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest11",
                   DetectEngineHttpHeaderTest11, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest12",
                   DetectEngineHttpHeaderTest12, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest13",
                   DetectEngineHttpHeaderTest13, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest14",
                   DetectEngineHttpHeaderTest14, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest15",
                   DetectEngineHttpHeaderTest15, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest16",
                   DetectEngineHttpHeaderTest16, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest17",
                   DetectEngineHttpHeaderTest17, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest18",
                   DetectEngineHttpHeaderTest18, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest19",
                   DetectEngineHttpHeaderTest19, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest20",
                   DetectEngineHttpHeaderTest20, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest21",
                   DetectEngineHttpHeaderTest21, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest22",
                   DetectEngineHttpHeaderTest22, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest23",
                   DetectEngineHttpHeaderTest23, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest24",
                   DetectEngineHttpHeaderTest24, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest25",
                   DetectEngineHttpHeaderTest25, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest26",
                   DetectEngineHttpHeaderTest26, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest27",
                   DetectEngineHttpHeaderTest27, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest28",
                   DetectEngineHttpHeaderTest28, 1);
    UtRegisterTest("DetectEngineHttpHeaderTest29",
                   DetectEngineHttpHeaderTest29, 1);
#if 0
    UtRegisterTest("DetectEngineHttpHeaderTest30",
                   DetectEngineHttpHeaderTest30, 1);
#endif

#endif /* UNITTESTS */

    return;
}
/**
 * @}
 */