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3876 lines
107 KiB
C
3876 lines
107 KiB
C
/* Copyright (C) 2007-2010 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/** \file
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*
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* \author Anoop Saldanha <poonaatsoc@gmail.com>
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*/
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#include "suricata-common.h"
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#include "suricata.h"
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#include "decode.h"
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#include "detect.h"
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#include "detect-engine.h"
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#include "detect-engine-hrud.h"
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#include "detect-engine-mpm.h"
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#include "detect-parse.h"
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#include "detect-engine-state.h"
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#include "detect-pcre.h"
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#include "detect-isdataat.h"
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#include "detect-bytetest.h"
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#include "detect-bytejump.h"
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#include "flow-util.h"
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#include "util-spm.h"
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#include "util-debug.h"
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#include "util-print.h"
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#include "flow.h"
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#include "detect-flow.h"
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#include "flow-var.h"
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#include "threads.h"
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#include "flow-alert-sid.h"
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#include "stream-tcp.h"
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#include "stream.h"
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#include "app-layer-parser.h"
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#include "util-unittest.h"
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#include "util-unittest-helper.h"
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#include "app-layer.h"
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#include "app-layer-htp.h"
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#include "app-layer-protos.h"
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/**
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* \brief Run the actual payload match function for http raw uri.
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*
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* For accounting the last match in relative matching the
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* det_ctx->payload_offset var is used.
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*
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* \param de_ctx Detection engine context.
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* \param det_ctx Detection engine thread context.
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* \param s Signature to inspect.
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* \param sm SigMatch to inspect.
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* \param payload Ptr to the http raw uri to inspect.
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* \param payload_len Length of the http raw uri.
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*
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* \retval 0 no match.
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* \retval 1 match.
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*/
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static int DoInspectHttpRawUri(DetectEngineCtx *de_ctx,
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DetectEngineThreadCtx *det_ctx,
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Signature *s, SigMatch *sm,
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uint8_t *payload, uint32_t payload_len)
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{
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SCEnter();
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det_ctx->inspection_recursion_counter++;
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if (det_ctx->inspection_recursion_counter == de_ctx->inspection_recursion_limit) {
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det_ctx->discontinue_matching = 1;
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SCReturnInt(0);
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}
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if (sm == NULL) {
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SCReturnInt(0);
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}
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if (sm->type == DETECT_AL_HTTP_RAW_URI) {
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if (payload_len == 0) {
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SCReturnInt(0);
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}
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DetectContentData *cd = (DetectContentData *)sm->ctx;
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/* disabled to avoid the FP from inspecting multiple transactions */
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//if (cd->flags & DETECT_CONTENT_HRUD_MPM && !(cd->flags & DETECT_CONTENT_NEGATED))
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// goto match;
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/* rule parsers should take care of this */
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#ifdef DEBUG
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BUG_ON(cd->depth != 0 && cd->depth <= cd->offset);
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#endif
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/* search for our pattern, checking the matches recursively.
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* if we match we look for the next SigMatch as well */
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uint8_t *found = NULL;
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uint32_t offset = 0;
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uint32_t depth = payload_len;
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uint32_t prev_offset = 0; /**< used in recursive searching */
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uint32_t prev_payload_offset = det_ctx->payload_offset;
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do {
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if (cd->flags & DETECT_CONTENT_DISTANCE ||
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cd->flags & DETECT_CONTENT_WITHIN) {
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SCLogDebug("prev_payload_offset %"PRIu32, prev_payload_offset);
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offset = prev_payload_offset;
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depth = payload_len;
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if (cd->flags & DETECT_CONTENT_DISTANCE) {
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if (cd->distance < 0 && (uint32_t)(abs(cd->distance)) > offset)
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offset = 0;
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else
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offset += cd->distance;
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}
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if (cd->flags & DETECT_CONTENT_WITHIN) {
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if ((int32_t)depth > (int32_t)(prev_payload_offset + cd->within + cd->distance)) {
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depth = prev_payload_offset + cd->within + cd->distance;
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}
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}
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if (cd->depth != 0) {
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if ((cd->depth + prev_payload_offset) < depth) {
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depth = prev_payload_offset + cd->depth;
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}
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}
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if (cd->offset > offset) {
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offset = cd->offset;
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}
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} else { /* implied no relative matches */
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/* set depth */
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if (cd->depth != 0) {
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depth = cd->depth;
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}
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/* set offset */
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offset = cd->offset;
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prev_payload_offset = 0;
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}
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/* update offset with prev_offset if we're searching for
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* matches after the first occurence. */
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if (prev_offset != 0)
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offset = prev_offset;
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if (depth > payload_len)
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depth = payload_len;
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/* if offset is bigger than depth we can never match on a pattern.
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* We can however, "match" on a negated pattern. */
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if (offset > depth || depth == 0) {
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if (cd->flags & DETECT_CONTENT_NEGATED) {
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goto match;
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} else {
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SCReturnInt(0);
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}
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}
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uint8_t *spayload = payload + offset;
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uint32_t spayload_len = depth - offset;
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uint32_t match_offset = 0;
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#ifdef DEBUG
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BUG_ON(spayload_len > payload_len);
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#endif
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/* do the actual search with boyer moore precooked ctx */
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if (cd->flags & DETECT_CONTENT_NOCASE) {
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found = BoyerMooreNocase(cd->content, cd->content_len,
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spayload, spayload_len,
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cd->bm_ctx->bmGs, cd->bm_ctx->bmBc);
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} else {
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found = BoyerMoore(cd->content, cd->content_len,
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spayload, spayload_len,
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cd->bm_ctx->bmGs, cd->bm_ctx->bmBc);
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}
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/* next we evaluate the result in combination with the
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* negation flag. */
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if (found == NULL && !(cd->flags & DETECT_CONTENT_NEGATED)) {
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SCReturnInt(0);
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} else if (found == NULL && cd->flags & DETECT_CONTENT_NEGATED) {
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goto match;
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} else if (found != NULL && cd->flags & DETECT_CONTENT_NEGATED) {
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det_ctx->discontinue_matching = 1;
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SCReturnInt(0);
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} else {
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match_offset = (uint32_t)((found - payload) + cd->content_len);
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det_ctx->payload_offset = match_offset;
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if (!(cd->flags & DETECT_CONTENT_RELATIVE_NEXT)) {
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SCLogDebug("no relative match coming up, so this is a match");
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goto match;
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}
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/* bail out if we have no next match. Technically this is an
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* error, as the current cd has the DETECT_CONTENT_RELATIVE_NEXT
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* flag set. */
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if (sm->next == NULL) {
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SCReturnInt(0);
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}
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/* see if the next payload keywords match. If not, we will
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* search for another occurence of this http header content and
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* see if the others match then until we run out of matches */
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int r = DoInspectHttpRawUri(de_ctx, det_ctx, s, sm->next,
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payload, payload_len);
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if (r == 1) {
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SCReturnInt(1);
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}
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if (det_ctx->discontinue_matching)
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SCReturnInt(0);
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/* set the previous match offset to the start of this match + 1 */
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prev_offset = (match_offset - (cd->content_len - 1));
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SCLogDebug("trying to see if there is another match after "
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"prev_offset %"PRIu32, prev_offset);
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}
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} while(1);
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} else if (sm->type == DETECT_PCRE) {
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SCLogDebug("inspecting pcre");
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DetectPcreData *pe = (DetectPcreData *)sm->ctx;
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uint32_t prev_payload_offset = det_ctx->payload_offset;
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uint32_t prev_offset = 0;
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int r = 0;
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det_ctx->pcre_match_start_offset = 0;
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do {
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r = DetectPcrePayloadMatch(det_ctx, s, sm, NULL, NULL,
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payload, payload_len);
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if (r == 0) {
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det_ctx->discontinue_matching = 1;
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SCReturnInt(0);
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}
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if (!(pe->flags & DETECT_PCRE_RELATIVE_NEXT)) {
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SCLogDebug("no relative match coming up, so this is a match");
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goto match;
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}
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/* save it, in case we need to do a pcre match once again */
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prev_offset = det_ctx->pcre_match_start_offset;
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/* see if the next payload keywords match. If not, we will
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* search for another occurence of this pcre and see
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* if the others match, until we run out of matches */
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int r = DoInspectHttpRawUri(de_ctx, det_ctx, s, sm->next,
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payload, payload_len);
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if (r == 1) {
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SCReturnInt(1);
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}
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if (det_ctx->discontinue_matching)
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SCReturnInt(0);
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det_ctx->payload_offset = prev_payload_offset;
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det_ctx->pcre_match_start_offset = prev_offset;
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} while (1);
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} else if (sm->type == DETECT_ISDATAAT) {
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SCLogDebug("inspecting isdataat");
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DetectIsdataatData *id = (DetectIsdataatData *)sm->ctx;
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if (id->flags & ISDATAAT_RELATIVE) {
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if (det_ctx->payload_offset + id->dataat > payload_len) {
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SCLogDebug("det_ctx->payload_offset + id->dataat %"PRIu32" > %"PRIu32, det_ctx->payload_offset + id->dataat, payload_len);
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if (id->flags & ISDATAAT_NEGATED)
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goto match;
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SCReturnInt(0);
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} else {
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SCLogDebug("relative isdataat match");
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if (id->flags & ISDATAAT_NEGATED)
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SCReturnInt(0);
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goto match;
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}
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} else {
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if (id->dataat < payload_len) {
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SCLogDebug("absolute isdataat match");
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if (id->flags & ISDATAAT_NEGATED)
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SCReturnInt(0);
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goto match;
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} else {
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SCLogDebug("absolute isdataat mismatch, id->isdataat %"PRIu32", payload_len %"PRIu32"", id->dataat,payload_len);
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if (id->flags & ISDATAAT_NEGATED)
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goto match;
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SCReturnInt(0);
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}
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}
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} else {
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/* we should never get here, but bail out just in case */
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SCLogDebug("sm->type %u", sm->type);
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#ifdef DEBUG
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BUG_ON(1);
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#endif
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}
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SCReturnInt(0);
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match:
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/* this sigmatch matched, inspect the next one. If it was the last,
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* the payload portion of the signature matched. */
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if (sm->next != NULL) {
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int r = DoInspectHttpRawUri(de_ctx, det_ctx, s, sm->next, payload,
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payload_len);
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SCReturnInt(r);
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} else {
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SCReturnInt(1);
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}
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}
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/**
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* \brief Run the mpm against raw http uris.
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*
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* \retval cnt Number of matches reported by the mpm algo.
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*/
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int DetectEngineRunHttpRawUriMpm(DetectEngineThreadCtx *det_ctx, Flow *f,
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HtpState *htp_state)
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{
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SCEnter();
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uint32_t cnt = 0;
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if (htp_state == NULL) {
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SCLogDebug("no HTTP state");
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SCReturnInt(0);
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}
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/* locking the flow, we will inspect the htp state */
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SCMutexLock(&f->m);
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if (htp_state->connp == NULL || htp_state->connp->conn == NULL) {
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SCLogDebug("HTP state has no conn(p)");
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goto end;
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}
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size_t idx = AppLayerTransactionGetInspectId(f);
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htp_tx_t *tx = NULL;
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for ( ; idx < list_size(htp_state->connp->conn->transactions); idx++)
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{
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tx = list_get(htp_state->connp->conn->transactions, idx);
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if (tx == NULL || tx->request_uri == NULL)
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continue;
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cnt += HttpRawUriPatternSearch(det_ctx,
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(uint8_t *)bstr_ptr(tx->request_uri),
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bstr_len(tx->request_uri));
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}
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end:
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SCMutexUnlock(&f->m);
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SCReturnInt(cnt);
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}
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|
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/**
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* \brief Do the http_raw_uri content inspection for a signature.
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*
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* \param de_ctx Detection engine context.
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* \param det_ctx Detection engine thread context.
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* \param s Signature to inspect.
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* \param f Flow.
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* \param flags App layer flags.
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* \param state App layer state.
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*
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* \retval 0 No match.
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* \retval 1 Match.
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*/
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int DetectEngineInspectHttpRawUri(DetectEngineCtx *de_ctx,
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DetectEngineThreadCtx *det_ctx,
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Signature *s, Flow *f, uint8_t flags,
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void *alstate)
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{
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SCEnter();
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|
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SigMatch *sm = NULL;
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int r = 0;
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|
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HtpState *htp_state = (HtpState *)alstate;
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if (htp_state == NULL) {
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SCLogDebug("no HTTP state");
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SCReturnInt(0);
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}
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|
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/* locking the flow, we will inspect the htp state */
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SCMutexLock(&f->m);
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|
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if (htp_state->connp == NULL || htp_state->connp->conn == NULL) {
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SCLogDebug("HTP state has no conn(p)");
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goto end;
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}
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|
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sm = s->sm_lists[DETECT_SM_LIST_HRUDMATCH];
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|
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#ifdef DEBUG
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DetectContentData *co = (DetectContentData *)sm->ctx;
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SCLogDebug("co->id %"PRIu32, co->id);
|
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#endif
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|
|
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size_t idx = AppLayerTransactionGetInspectId(f);
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htp_tx_t *tx = NULL;
|
|
|
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for ( ; idx < list_size(htp_state->connp->conn->transactions); idx++)
|
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{
|
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tx = list_get(htp_state->connp->conn->transactions, idx);
|
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if (tx == NULL || tx->request_uri == NULL)
|
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continue;
|
|
|
|
det_ctx->discontinue_matching = 0;
|
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det_ctx->payload_offset = 0;
|
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det_ctx->inspection_recursion_counter = 0;
|
|
|
|
/* Inspect all the uricontents fetched on each
|
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* transaction at the app layer */
|
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r = DoInspectHttpRawUri(de_ctx, det_ctx, s,
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s->sm_lists[DETECT_SM_LIST_HRUDMATCH],
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(uint8_t *)bstr_ptr(tx->request_uri),
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bstr_len(tx->request_uri));
|
|
if (r == 1) {
|
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goto end;
|
|
}
|
|
}
|
|
|
|
end:
|
|
SCMutexUnlock(&f->m);
|
|
SCReturnInt(r);
|
|
}
|
|
|
|
/***********************************Unittests**********************************/
|
|
|
|
#ifdef UNITTESTS
|
|
|
|
static int DetectEngineHttpRawUriTest01(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[] =
|
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"GET /../a/b/../c";
|
|
uint8_t http2_buf[] =
|
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"/./d.html HTTP/1.1\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"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
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"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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));
|
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memset(&ssn, 0, sizeof(ssn));
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|
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p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
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p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:../c/./d; http_raw_uri; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest02(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 /../a/b/../c/./d.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"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 19\r\n"
|
|
"\r\n"
|
|
"This is dummy body1";
|
|
uint32_t http1_len = sizeof(http1_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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:/c/./d; http_raw_uri; offset: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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (!(PacketAlertCheck(p1, 1))) {
|
|
printf("sid 1 didn't match but should have\n");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest03(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 /../a/b/../";
|
|
uint8_t http2_buf[] =
|
|
"c/./d.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"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:/a/b; http_raw_uri; offset: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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest04(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 /../a/b/../";
|
|
uint8_t http2_buf[] =
|
|
"c/./d.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"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:!/a/b; http_raw_uri; offset: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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest05(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 /../a/b/";
|
|
uint8_t http2_buf[] =
|
|
"../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:a/b; http_raw_uri; depth: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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest06(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 /../a/b/";
|
|
uint8_t http2_buf[] =
|
|
"../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:!/a/b; http_raw_uri; depth:25; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest07(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 /../a/b/";
|
|
uint8_t http2_buf[] =
|
|
"../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:!/c/./d; http_raw_uri; depth:12; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest08(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 /../a/";
|
|
uint8_t http2_buf[] =
|
|
"b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:!/c/./d; http_raw_uri; depth:18; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest09(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:/a; http_raw_uri; "
|
|
"content:./c/.; http_raw_uri; within:9; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest10(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:/a; http_raw_uri; "
|
|
"content:!boom; http_raw_uri; 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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest11(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:./a; http_raw_uri; "
|
|
"content:boom; http_raw_uri; 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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest12(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:./a; http_raw_uri; "
|
|
"content:!/b/..; http_raw_uri; 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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest13(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:./a; http_raw_uri; "
|
|
"content:/c/.; http_raw_uri; distance: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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest14(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:./a; http_raw_uri; "
|
|
"content:!b/..; http_raw_uri; distance: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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest15(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:./a; http_raw_uri; "
|
|
"content:/c/; http_raw_uri; 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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest16(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:./a; http_raw_uri; "
|
|
"content:!/c/; http_raw_uri; distance:4; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest17(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p1 = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
Flow f;
|
|
uint8_t http1_buf[] = "This_is_dummy_body1";
|
|
uint32_t http1_len = sizeof(http1_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);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
p1->flow = &f;
|
|
p1->flowflags |= FLOW_PKT_TOSERVER;
|
|
p1->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:body1; http_raw_uri; "
|
|
"content:bambu; http_raw_uri; "
|
|
"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, p1);
|
|
uint32_t r = HttpRawUriPatternSearch(det_ctx, http1_buf, http1_len);
|
|
if (r != 1) {
|
|
printf("expected 1 result, 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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest18(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p1 = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
Flow f;
|
|
uint8_t http1_buf[] = "This_is_dummy_body1";
|
|
uint32_t http1_len = sizeof(http1_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);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
p1->flow = &f;
|
|
p1->flowflags |= FLOW_PKT_TOSERVER;
|
|
p1->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:body1; http_raw_uri; "
|
|
"content:bambu; http_raw_uri; fast_pattern; "
|
|
"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, p1);
|
|
uint32_t r = HttpRawUriPatternSearch(det_ctx, http1_buf, http1_len);
|
|
if (r != 0) {
|
|
printf("expected 0 result, 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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest19(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p1 = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
Flow f;
|
|
uint8_t http1_buf[] = "This_is_dummy_body1";
|
|
uint32_t http1_len = sizeof(http1_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);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
p1->flow = &f;
|
|
p1->flowflags |= FLOW_PKT_TOSERVER;
|
|
p1->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:bambu; http_raw_uri; "
|
|
"content:is; http_raw_uri; "
|
|
"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, p1);
|
|
uint32_t r = HttpRawUriPatternSearch(det_ctx, http1_buf, http1_len);
|
|
if (r != 0) {
|
|
printf("expected 0 result, 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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest20(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p1 = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
Flow f;
|
|
uint8_t http1_buf[] = "This_is_dummy_body1";
|
|
uint32_t http1_len = sizeof(http1_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);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
p1->flow = &f;
|
|
p1->flowflags |= FLOW_PKT_TOSERVER;
|
|
p1->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"content:bambu; http_raw_uri; "
|
|
"content:is; http_raw_uri; fast_pattern; "
|
|
"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, p1);
|
|
uint32_t r = HttpRawUriPatternSearch(det_ctx, http1_buf, http1_len);
|
|
if (r != 2) {
|
|
printf("expected 2 result, 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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest21(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"pcre:/\\.\\/a/I; "
|
|
"content:!/c/; http_raw_uri; 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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest22(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"pcre:/\\.\\/a/I; "
|
|
"content:!/c/; within:5; http_raw_uri; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest23(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"pcre:/\\.\\/a/I; "
|
|
"content:!/c/; distance:3; http_raw_uri; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest24(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"pcre:/\\.\\/a/I; "
|
|
"content:!/c/; distance:10; http_raw_uri; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest25(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"pcre:/\\.\\/a/I; "
|
|
"content:/c/; within:10; http_raw_uri; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest26(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"pcre:/\\.\\/a/I; "
|
|
"content:/c/; within:5; http_raw_uri; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest27(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"pcre:/\\.\\/a/I; "
|
|
"content:/c/; distance:5; http_raw_uri; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpRawUriTest28(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 /../a";
|
|
uint8_t http2_buf[] =
|
|
"/b/../c/./d.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1"
|
|
"This is dummy message body2";
|
|
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.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
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);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
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 raw uri test\"; "
|
|
"pcre:/\\.\\/a/I; "
|
|
"content:/c/; distance:10; http_raw_uri; "
|
|
"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(&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.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
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(&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);
|
|
|
|
FlowL7DataPtrFree(&f);
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test multiple relative contents with a negated content.
|
|
*/
|
|
static int DetectEngineHttpRawUriTest29(void)
|
|
{
|
|
int result = 0;
|
|
uint8_t *http_buf = (uint8_t *)"POST /../a/b/../c/./d.html HTTP/1.0\r\n"
|
|
"User-Agent: Mozilla/1.0\r\n";
|
|
uint32_t http_buf_len = strlen((char *)http_buf);
|
|
Flow f;
|
|
TcpSession ssn;
|
|
HtpState *http_state = NULL;
|
|
Packet *p = NULL;
|
|
ThreadVars tv;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
|
|
memset(&tv, 0, sizeof(ThreadVars));
|
|
memset(&f, 0, sizeof(Flow));
|
|
memset(&ssn, 0, sizeof(TcpSession));
|
|
|
|
p = UTHBuildPacket(http_buf, http_buf_len, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
p->flow = &f;
|
|
p->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
f.alproto = ALPROTO_HTTP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
de_ctx->mpm_matcher = MPM_B2G;
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(msg:\"test multiple relative raw uri contents\"; "
|
|
"content:/c/; http_raw_uri; "
|
|
"isdataat:4,relative; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParse(&f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf, http_buf_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&tv, de_ctx, det_ctx, p);
|
|
|
|
if (!PacketAlertCheck(p, 1)) {
|
|
printf("sig 1 didn't alert, but it should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (det_ctx != NULL)
|
|
DetectEngineThreadCtxDeinit(&tv, det_ctx);
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePacket(p);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test multiple relative contents with a negated content.
|
|
*/
|
|
static int DetectEngineHttpRawUriTest30(void)
|
|
{
|
|
int result = 0;
|
|
uint8_t *http_buf = (uint8_t *)"POST /../a/b/../c/./d.html HTTP/1.0\r\n"
|
|
"User-Agent: Mozilla/1.0\r\n";
|
|
uint32_t http_buf_len = strlen((char *)http_buf);
|
|
Flow f;
|
|
TcpSession ssn;
|
|
HtpState *http_state = NULL;
|
|
Packet *p = NULL;
|
|
ThreadVars tv;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
|
|
memset(&tv, 0, sizeof(ThreadVars));
|
|
memset(&f, 0, sizeof(Flow));
|
|
memset(&ssn, 0, sizeof(TcpSession));
|
|
|
|
p = UTHBuildPacket(http_buf, http_buf_len, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.src.family = AF_INET;
|
|
f.dst.family = AF_INET;
|
|
|
|
p->flow = &f;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
f.alproto = ALPROTO_HTTP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
FlowL7DataPtrInit(&f);
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
de_ctx->mpm_matcher = MPM_B2G;
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(msg:\"test multiple relative raw uri contents\"; "
|
|
"uricontent:/c/; isdataat:!10,relative; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParse(&f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf, http_buf_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.aldata[AlpGetStateIdx(ALPROTO_HTTP)];
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&tv, de_ctx, det_ctx, p);
|
|
|
|
if (!PacketAlertCheck(p, 1)) {
|
|
printf("sig 1 didn't alert, but it should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (det_ctx != NULL)
|
|
DetectEngineThreadCtxDeinit(&tv, det_ctx);
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePacket(p);
|
|
return result;
|
|
}
|
|
|
|
#endif /* UNITTESTS */
|
|
|
|
void DetectEngineHttpRawUriRegisterTests(void)
|
|
{
|
|
#ifdef UNITTESTS
|
|
UtRegisterTest("DetectEngineHttpRawUriTest01",
|
|
DetectEngineHttpRawUriTest01, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest02",
|
|
DetectEngineHttpRawUriTest02, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest03",
|
|
DetectEngineHttpRawUriTest03, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest04",
|
|
DetectEngineHttpRawUriTest04, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest05",
|
|
DetectEngineHttpRawUriTest05, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest06",
|
|
DetectEngineHttpRawUriTest06, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest07",
|
|
DetectEngineHttpRawUriTest07, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest08",
|
|
DetectEngineHttpRawUriTest08, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest09",
|
|
DetectEngineHttpRawUriTest09, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest10",
|
|
DetectEngineHttpRawUriTest10, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest11",
|
|
DetectEngineHttpRawUriTest11, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest12",
|
|
DetectEngineHttpRawUriTest12, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest13",
|
|
DetectEngineHttpRawUriTest13, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest14",
|
|
DetectEngineHttpRawUriTest14, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest15",
|
|
DetectEngineHttpRawUriTest15, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest16",
|
|
DetectEngineHttpRawUriTest16, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest17",
|
|
DetectEngineHttpRawUriTest17, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest18",
|
|
DetectEngineHttpRawUriTest18, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest19",
|
|
DetectEngineHttpRawUriTest19, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest20",
|
|
DetectEngineHttpRawUriTest20, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest21",
|
|
DetectEngineHttpRawUriTest21, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest22",
|
|
DetectEngineHttpRawUriTest22, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest23",
|
|
DetectEngineHttpRawUriTest23, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest24",
|
|
DetectEngineHttpRawUriTest24, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest25",
|
|
DetectEngineHttpRawUriTest25, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest26",
|
|
DetectEngineHttpRawUriTest26, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest27",
|
|
DetectEngineHttpRawUriTest27, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest28",
|
|
DetectEngineHttpRawUriTest28, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest29",
|
|
DetectEngineHttpRawUriTest29, 1);
|
|
UtRegisterTest("DetectEngineHttpRawUriTest30",
|
|
DetectEngineHttpRawUriTest30, 1);
|
|
#endif /* UNITTESTS */
|
|
|
|
return;
|
|
}
|