Signature *s);
static int g_file_data_buffer_id = 0;
-static inline HtpBody *GetResponseBody(htp_tx_t *tx);
-
-/* HTTP */
-static int PrefilterMpmHTTPFiledataRegister(DetectEngineCtx *de_ctx, SigGroupHead *sgh,
- MpmCtx *mpm_ctx, const DetectBufferMpmRegistry *mpm_reg, int list_id);
-
/* file API */
int PrefilterMpmFiledataRegister(DetectEngineCtx *de_ctx, SigGroupHead *sgh, MpmCtx *mpm_ctx,
const DetectBufferMpmRegistry *mpm_reg, int list_id);
-static uint8_t DetectEngineInspectBufferHttpBody(DetectEngineCtx *de_ctx,
- DetectEngineThreadCtx *det_ctx, const DetectEngineAppInspectionEngine *engine,
- const Signature *s, Flow *f, uint8_t flags, void *alstate, void *txv, uint64_t tx_id);
-
/**
* \brief Registration function for keyword: file_data
*/
#endif
sigmatch_table[DETECT_FILE_DATA].flags = SIGMATCH_NOOPT;
- for (int i = 0; file_protos_ts[i].alproto != ALPROTO_UNKNOWN; i++) {
- DetectAppLayerMpmRegister2("file_data", SIG_FLAG_TOSERVER, 2, PrefilterMpmFiledataRegister,
- NULL, file_protos_ts[i].alproto, file_protos_ts[i].progress);
- DetectAppLayerInspectEngineRegister2("file_data", file_protos_ts[i].alproto,
- SIG_FLAG_TOSERVER, file_protos_ts[i].progress, DetectEngineInspectFiledata, NULL);
- }
- for (int i = 0; file_protos_tc[i].alproto != ALPROTO_UNKNOWN; i++) {
- if (file_protos_tc[i].alproto == ALPROTO_HTTP1) {
- // special case for HTTP1
- DetectAppLayerMpmRegister2("file_data", SIG_FLAG_TOCLIENT, 2,
- PrefilterMpmHTTPFiledataRegister, NULL, ALPROTO_HTTP1, HTP_RESPONSE_BODY);
- DetectAppLayerInspectEngineRegister2("file_data", ALPROTO_HTTP1, SIG_FLAG_TOCLIENT,
- HTP_RESPONSE_BODY, DetectEngineInspectBufferHttpBody, NULL);
- continue;
- }
- DetectAppLayerMpmRegister2("file_data", SIG_FLAG_TOCLIENT, 2, PrefilterMpmFiledataRegister,
- NULL, file_protos_tc[i].alproto, file_protos_tc[i].progress);
- DetectAppLayerInspectEngineRegister2("file_data", file_protos_tc[i].alproto,
- SIG_FLAG_TOCLIENT, file_protos_tc[i].progress, DetectEngineInspectFiledata, NULL);
- }
- DetectBufferTypeRegisterSetupCallback("file_data",
- DetectFiledataSetupCallback);
+ filehandler_table[DETECT_FILE_DATA].name = "file_data";
+ filehandler_table[DETECT_FILE_DATA].priority = 2;
+ filehandler_table[DETECT_FILE_DATA].PrefilterFn = PrefilterMpmFiledataRegister;
+ filehandler_table[DETECT_FILE_DATA].Callback = DetectEngineInspectFiledata;
+
+ DetectBufferTypeRegisterSetupCallback("file_data", DetectFiledataSetupCallback);
DetectBufferTypeSetDescriptionByName("file_data", "data from tracked files");
DetectBufferTypeSupportsMultiInstance("file_data");
SCFree(ptr);
}
-/* HTTP based detection */
-
-static inline HtpBody *GetResponseBody(htp_tx_t *tx)
-{
- HtpTxUserData *htud = (HtpTxUserData *)htp_tx_get_user_data(tx);
- if (htud == NULL) {
- SCLogDebug("no htud");
- return NULL;
- }
-
- return &htud->response_body;
-}
-
-static inline InspectionBuffer *HttpServerBodyXformsGetDataCallback(DetectEngineThreadCtx *det_ctx,
- const DetectEngineTransforms *transforms, const int list_id, InspectionBuffer *base_buffer)
-{
- InspectionBuffer *buffer = InspectionBufferGet(det_ctx, list_id);
- if (buffer->inspect != NULL)
- return buffer;
-
- InspectionBufferSetup(det_ctx, list_id, buffer, base_buffer->inspect, base_buffer->inspect_len);
- buffer->inspect_offset = base_buffer->inspect_offset;
- InspectionBufferApplyTransforms(buffer, transforms);
- SCLogDebug("xformed buffer %p size %u", buffer, buffer->inspect_len);
- SCReturnPtr(buffer, "InspectionBuffer");
-}
-
-static InspectionBuffer *HttpServerBodyGetDataCallback(DetectEngineThreadCtx *det_ctx,
- const DetectEngineTransforms *transforms, Flow *f, const uint8_t flow_flags, void *txv,
- const int list_id, const int base_id)
-{
- SCEnter();
-
- InspectionBuffer *buffer = InspectionBufferGet(det_ctx, base_id);
- if (base_id != list_id && buffer->inspect != NULL)
- return HttpServerBodyXformsGetDataCallback(det_ctx, transforms, list_id, buffer);
- else if (buffer->inspect != NULL)
- return buffer;
-
- htp_tx_t *tx = txv;
- HtpState *htp_state = f->alstate;
- const uint8_t flags = flow_flags;
-
- HtpBody *body = GetResponseBody(tx);
- if (body == NULL) {
- return NULL;
- }
-
- /* no new data */
- if (body->body_inspected == body->content_len_so_far) {
- SCLogDebug("no new data");
- return NULL;
- }
-
- HtpBodyChunk *cur = body->first;
- if (cur == NULL) {
- SCLogDebug("No http chunks to inspect for this transaction");
- return NULL;
- }
-
- SCLogDebug("response.body_limit %u response_body.content_len_so_far %" PRIu64
- ", response.inspect_min_size %" PRIu32 ", EOF %s, progress > body? %s",
- htp_state->cfg->response.body_limit, body->content_len_so_far,
- htp_state->cfg->response.inspect_min_size, flags & STREAM_EOF ? "true" : "false",
- (AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP1, tx, flags) >
- HTP_RESPONSE_BODY)
- ? "true"
- : "false");
-
- if (!htp_state->cfg->http_body_inline) {
- /* inspect the body if the transfer is complete or we have hit
- * our body size limit */
- if ((htp_state->cfg->response.body_limit == 0 ||
- body->content_len_so_far < htp_state->cfg->response.body_limit) &&
- body->content_len_so_far < htp_state->cfg->response.inspect_min_size &&
- !(AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP1, tx, flags) >
- HTP_RESPONSE_BODY) &&
- !(flags & STREAM_EOF)) {
- SCLogDebug("we still haven't seen the entire response body. "
- "Let's defer body inspection till we see the "
- "entire body.");
- return NULL;
- }
- }
-
- /* get the inspect buffer
- *
- * make sure that we have at least the configured inspect_win size.
- * If we have more, take at least 1/4 of the inspect win size before
- * the new data.
- */
- uint64_t offset = 0;
- if (body->body_inspected > htp_state->cfg->response.inspect_min_size) {
- BUG_ON(body->content_len_so_far < body->body_inspected);
- uint64_t inspect_win = body->content_len_so_far - body->body_inspected;
- SCLogDebug("inspect_win %"PRIu64, inspect_win);
- if (inspect_win < htp_state->cfg->response.inspect_window) {
- uint64_t inspect_short = htp_state->cfg->response.inspect_window - inspect_win;
- if (body->body_inspected < inspect_short)
- offset = 0;
- else
- offset = body->body_inspected - inspect_short;
- } else {
- offset = body->body_inspected - (htp_state->cfg->response.inspect_window / 4);
- }
- }
-
- const uint8_t *data;
- uint32_t data_len;
-
- StreamingBufferGetDataAtOffset(body->sb,
- &data, &data_len, offset);
- InspectionBufferSetup(det_ctx, base_id, buffer, data, data_len);
- buffer->inspect_offset = offset;
- body->body_inspected = body->content_len_so_far;
- SCLogDebug("body->body_inspected now: %" PRIu64, body->body_inspected);
-
- /* built-in 'transformation' */
- if (htp_state->cfg->swf_decompression_enabled) {
- int swf_file_type = FileIsSwfFile(data, data_len);
- if (swf_file_type == FILE_SWF_ZLIB_COMPRESSION ||
- swf_file_type == FILE_SWF_LZMA_COMPRESSION)
- {
- (void)FileSwfDecompression(data, data_len,
- det_ctx,
- buffer,
- htp_state->cfg->swf_compression_type,
- htp_state->cfg->swf_decompress_depth,
- htp_state->cfg->swf_compress_depth);
- }
- }
-
- if (base_id != list_id) {
- buffer = HttpServerBodyXformsGetDataCallback(det_ctx, transforms, list_id, buffer);
- }
- SCReturnPtr(buffer, "InspectionBuffer");
-}
-
-static uint8_t DetectEngineInspectBufferHttpBody(DetectEngineCtx *de_ctx,
- DetectEngineThreadCtx *det_ctx, const DetectEngineAppInspectionEngine *engine,
- const Signature *s, Flow *f, uint8_t flags, void *alstate, void *txv, uint64_t tx_id)
-{
- bool eof =
- (AppLayerParserGetStateProgress(f->proto, f->alproto, txv, flags) > engine->progress);
- const InspectionBuffer *buffer = HttpServerBodyGetDataCallback(
- det_ctx, engine->v2.transforms, f, flags, txv, engine->sm_list, engine->sm_list_base);
- if (buffer == NULL || buffer->inspect == NULL) {
- return eof ? DETECT_ENGINE_INSPECT_SIG_CANT_MATCH : DETECT_ENGINE_INSPECT_SIG_NO_MATCH;
- }
-
- const uint32_t data_len = buffer->inspect_len;
- const uint8_t *data = buffer->inspect;
- const uint64_t offset = buffer->inspect_offset;
-
- uint8_t ci_flags = eof ? DETECT_CI_FLAGS_END : 0;
- ci_flags |= (offset == 0 ? DETECT_CI_FLAGS_START : 0);
- ci_flags |= buffer->flags;
-
- det_ctx->discontinue_matching = 0;
- det_ctx->buffer_offset = 0;
- det_ctx->inspection_recursion_counter = 0;
-
- /* Inspect all the uricontents fetched on each
- * transaction at the app layer */
- int r = DetectEngineContentInspection(de_ctx, det_ctx, s, engine->smd, NULL, f, (uint8_t *)data,
- data_len, offset, ci_flags, DETECT_ENGINE_CONTENT_INSPECTION_MODE_STATE);
- if (r == 1) {
- return DETECT_ENGINE_INSPECT_SIG_MATCH;
- }
-
- if (flags & STREAM_TOSERVER) {
- if (AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP1, txv, flags) >
- HTP_REQUEST_BODY)
- return DETECT_ENGINE_INSPECT_SIG_CANT_MATCH;
- } else {
- if (AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP1, txv, flags) >
- HTP_RESPONSE_BODY)
- return DETECT_ENGINE_INSPECT_SIG_CANT_MATCH;
- }
- return DETECT_ENGINE_INSPECT_SIG_NO_MATCH;
-}
-
-/** \brief Filedata Filedata Mpm prefilter callback
- *
- * \param det_ctx detection engine thread ctx
- * \param pectx inspection context
- * \param p packet to inspect
- * \param f flow to inspect
- * \param txv tx to inspect
- * \param idx transaction id
- * \param flags STREAM_* flags including direction
- */
-static void PrefilterTxHTTPFiledata(DetectEngineThreadCtx *det_ctx, const void *pectx, Packet *p,
- Flow *f, void *txv, const uint64_t idx, const AppLayerTxData *_txd, const uint8_t flags)
-{
- SCEnter();
-
- const PrefilterMpmFiledata *ctx = (const PrefilterMpmFiledata *)pectx;
- const MpmCtx *mpm_ctx = ctx->mpm_ctx;
- const int list_id = ctx->list_id;
-
- InspectionBuffer *buffer = HttpServerBodyGetDataCallback(
- det_ctx, ctx->transforms, f, flags, txv, list_id, ctx->base_list_id);
- if (buffer == NULL)
- return;
-
- if (buffer->inspect_len >= mpm_ctx->minlen) {
- (void)mpm_table[mpm_ctx->mpm_type].Search(
- mpm_ctx, &det_ctx->mtcu, &det_ctx->pmq, buffer->inspect, buffer->inspect_len);
- PREFILTER_PROFILING_ADD_BYTES(det_ctx, buffer->inspect_len);
- }
-}
-
-static int PrefilterMpmHTTPFiledataRegister(DetectEngineCtx *de_ctx, SigGroupHead *sgh,
- MpmCtx *mpm_ctx, const DetectBufferMpmRegistry *mpm_reg, int list_id)
-{
- PrefilterMpmFiledata *pectx = SCCalloc(1, sizeof(*pectx));
- if (pectx == NULL)
- return -1;
- pectx->list_id = list_id;
- pectx->base_list_id = mpm_reg->sm_list_base;
- SCLogDebug("list_id %d base_list_id %d", list_id, pectx->base_list_id);
- pectx->mpm_ctx = mpm_ctx;
- pectx->transforms = &mpm_reg->transforms;
-
- return PrefilterAppendTxEngine(de_ctx, sgh, PrefilterTxHTTPFiledata, mpm_reg->app_v2.alproto,
- mpm_reg->app_v2.tx_min_progress, pectx, PrefilterMpmFiledataFree, mpm_reg->pname);
-}
-
/* file API based inspection */
static inline InspectionBuffer *FiledataWithXformsGetDataCallback(DetectEngineThreadCtx *det_ctx,
static InspectionBuffer *FiledataGetDataCallback(DetectEngineThreadCtx *det_ctx,
const DetectEngineTransforms *transforms, Flow *f, uint8_t flow_flags, File *cur_file,
- const int list_id, const int base_id, int local_file_id)
+ const int list_id, const int base_id, int local_file_id, void *txv)
{
SCEnter();
SCLogDebug("starting: list_id %d base_id %d", list_id, base_id);
const uint64_t file_size = FileDataSize(cur_file);
const DetectEngineCtx *de_ctx = det_ctx->de_ctx;
const uint32_t content_limit = de_ctx->filedata_config[f->alproto].content_limit;
- const uint32_t content_inspect_min_size = de_ctx->filedata_config[f->alproto].content_inspect_min_size;
- // TODO this is unused, is that right?
- //const uint32_t content_inspect_window = de_ctx->filedata_config[f->alproto].content_inspect_window;
+ const uint32_t content_inspect_min_size =
+ de_ctx->filedata_config[f->alproto].content_inspect_min_size;
SCLogDebug("[list %d] content_limit %u, content_inspect_min_size %u", list_id, content_limit,
content_inspect_min_size);
/* no new data */
if (cur_file->content_inspected == file_size) {
SCLogDebug("no new data");
- InspectionBufferSetupMultiEmpty(buffer);
- return NULL;
+ goto empty_return;
}
if (file_size == 0) {
SCLogDebug("no data to inspect for this transaction");
- InspectionBufferSetupMultiEmpty(buffer);
- return NULL;
+ goto empty_return;
}
- if ((content_limit == 0 || file_size < content_limit) &&
- file_size < content_inspect_min_size &&
- !(flow_flags & STREAM_EOF) && !(cur_file->state > FILE_STATE_OPENED)) {
- SCLogDebug("we still haven't seen the entire content. "
- "Let's defer content inspection till we see the "
- "entire content.");
- InspectionBufferSetupMultiEmpty(buffer);
- return NULL;
+ SCLogDebug("offset %" PRIu64, StreamingBufferGetOffset(cur_file->sb));
+ SCLogDebug("size %" PRIu64, cur_file->size);
+ SCLogDebug("content_inspected %" PRIu64, cur_file->content_inspected);
+ SCLogDebug("inspect_window %" PRIu32, cur_file->inspect_window);
+ SCLogDebug("inspect_min_size %" PRIu32, cur_file->inspect_min_size);
+
+ bool ips = false;
+ uint64_t offset = 0;
+ if (f->alproto == ALPROTO_HTTP1) {
+
+ htp_tx_t *tx = txv;
+ HtpState *htp_state = f->alstate;
+ ips = htp_state->cfg->http_body_inline;
+
+ const bool body_done = AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP1, tx,
+ flow_flags) > HTP_RESPONSE_BODY;
+
+ SCLogDebug("response.body_limit %u file_size %" PRIu64
+ ", cur_file->inspect_min_size %" PRIu32 ", EOF %s, progress > body? %s",
+ htp_state->cfg->response.body_limit, file_size, cur_file->inspect_min_size,
+ flow_flags & STREAM_EOF ? "true" : "false", BOOL2STR(body_done));
+
+ if (!htp_state->cfg->http_body_inline) {
+ /* inspect the body if the transfer is complete or we have hit
+ * our body size limit */
+ if ((htp_state->cfg->response.body_limit == 0 ||
+ file_size < htp_state->cfg->response.body_limit) &&
+ file_size < cur_file->inspect_min_size && !body_done &&
+ !(flow_flags & STREAM_EOF)) {
+ SCLogDebug("we still haven't seen the entire response body. "
+ "Let's defer body inspection till we see the "
+ "entire body.");
+ goto empty_return;
+ }
+ SCLogDebug("inline and we're continuing");
+ }
+
+ bool force = (flow_flags & STREAM_EOF) || (cur_file->state > FILE_STATE_OPENED) ||
+ body_done || htp_state->cfg->http_body_inline;
+ /* get the inspect buffer
+ *
+ * make sure that we have at least the configured inspect_win size.
+ * If we have more, take at least 1/4 of the inspect win size before
+ * the new data.
+ */
+ if (cur_file->content_inspected == 0) {
+ if (!force && file_size < cur_file->inspect_min_size) {
+ SCLogDebug("skip as file_size %" PRIu64 " < inspect_min_size %u", file_size,
+ cur_file->inspect_min_size);
+ goto empty_return;
+ }
+ } else {
+ uint64_t new_data = file_size - cur_file->content_inspected;
+ BUG_ON(new_data == 0);
+ if (new_data < cur_file->inspect_window) {
+ uint64_t inspect_short = cur_file->inspect_window - new_data;
+ if (cur_file->content_inspected < inspect_short) {
+ offset = 0;
+ SCLogDebug("offset %" PRIu64, offset);
+ } else {
+ offset = cur_file->content_inspected - inspect_short;
+ SCLogDebug("offset %" PRIu64, offset);
+ }
+ } else {
+ BUG_ON(cur_file->content_inspected == 0);
+ uint32_t margin = cur_file->inspect_window / 4;
+ if ((uint64_t)margin <= cur_file->content_inspected) {
+ offset = cur_file->content_inspected - (cur_file->inspect_window / 4);
+ } else {
+ offset = 0;
+ }
+ SCLogDebug("offset %" PRIu64 " (data from offset %" PRIu64 ")", offset,
+ file_size - offset);
+ }
+ }
+
+ } else {
+ if ((content_limit == 0 || file_size < content_limit) &&
+ file_size < content_inspect_min_size && !(flow_flags & STREAM_EOF) &&
+ !(cur_file->state > FILE_STATE_OPENED)) {
+ SCLogDebug("we still haven't seen the entire content. "
+ "Let's defer content inspection till we see the "
+ "entire content. We've seen %ld and need at least %d",
+ file_size, content_inspect_min_size);
+ goto empty_return;
+ }
+ offset = cur_file->content_inspected;
}
const uint8_t *data;
uint32_t data_len;
- StreamingBufferGetDataAtOffset(cur_file->sb,
- &data, &data_len,
- cur_file->content_inspected);
+ SCLogDebug("Fetching data at offset: %ld", offset);
+ StreamingBufferGetDataAtOffset(cur_file->sb, &data, &data_len, offset);
+ SCLogDebug("data_len %u", data_len);
+ /* update inspected tracker */
+ buffer->inspect_offset = offset;
+
+ if (ips && file_size < cur_file->inspect_min_size) {
+ // don't update content_inspected yet
+ } else {
+ SCLogDebug("content inspected: %" PRIu64, cur_file->content_inspected);
+ cur_file->content_inspected = MAX(cur_file->content_inspected, offset + data_len);
+ SCLogDebug("content inspected: %" PRIu64, cur_file->content_inspected);
+ }
+
InspectionBufferSetupMulti(buffer, NULL, data, data_len);
SCLogDebug("[list %d] [before] buffer offset %" PRIu64 "; buffer len %" PRIu32
"; data_len %" PRIu32 "; file_size %" PRIu64,
list_id, buffer->inspect_offset, buffer->inspect_len, data_len, file_size);
- buffer->inspect_offset = cur_file->content_inspected;
- /* update inspected tracker */
- cur_file->content_inspected = buffer->inspect_len + buffer->inspect_offset;
+ if (f->alproto == ALPROTO_HTTP1 && flow_flags & STREAM_TOCLIENT) {
+ HtpState *htp_state = f->alstate;
+ /* built-in 'transformation' */
+ if (htp_state->cfg->swf_decompression_enabled) {
+ int swf_file_type = FileIsSwfFile(data, data_len);
+ if (swf_file_type == FILE_SWF_ZLIB_COMPRESSION ||
+ swf_file_type == FILE_SWF_LZMA_COMPRESSION) {
+ SCLogDebug("decompressing ...");
+ (void)FileSwfDecompression(data, data_len, det_ctx, buffer,
+ htp_state->cfg->swf_compression_type, htp_state->cfg->swf_decompress_depth,
+ htp_state->cfg->swf_compress_depth);
+ SCLogDebug("uncompressed buffer %p size %u; buf: \"%s\"", buffer,
+ buffer->inspect_len, (char *)buffer->inspect);
+ }
+ }
+ }
+
SCLogDebug("content inspected: %" PRIu64, cur_file->content_inspected);
/* get buffer for the list id if it is different from the base id */
InspectionBuffer *tbuffer = FiledataWithXformsGetDataCallback(
det_ctx, transforms, list_id, local_file_id, buffer);
SCReturnPtr(tbuffer, "InspectionBuffer");
- } else {
- SCLogDebug("regular buffer %p size %u", buffer, buffer->inspect_len);
- SCReturnPtr(buffer, "InspectionBuffer");
}
+ SCReturnPtr(buffer, "InspectionBuffer");
+
+empty_return:
+ InspectionBufferSetupMultiEmpty(buffer);
+ return NULL;
}
uint8_t DetectEngineInspectFiledata(DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx,
const DetectEngineAppInspectionEngine *engine, const Signature *s, Flow *f, uint8_t flags,
void *alstate, void *txv, uint64_t tx_id)
{
- int r = 0;
- int match = 0;
-
const DetectEngineTransforms *transforms = NULL;
if (!engine->mpm) {
transforms = engine->v2.transforms;
return DETECT_ENGINE_INSPECT_SIG_CANT_MATCH_FILES;
}
+ bool match = false;
int local_file_id = 0;
File *file = ffc->head;
for (; file != NULL; file = file->next) {
InspectionBuffer *buffer = FiledataGetDataCallback(det_ctx, transforms, f, flags, file,
- engine->sm_list, engine->sm_list_base, local_file_id);
+ engine->sm_list, engine->sm_list_base, local_file_id, txv);
if (buffer == NULL)
continue;
buffer->inspect_len,
buffer->inspect_offset, ciflags,
DETECT_ENGINE_CONTENT_INSPECTION_MODE_STATE);
- if (match == 1) {
- r = 1;
+ if (match) {
break;
}
local_file_id++;
}
- if (r == 1)
+ if (match)
return DETECT_ENGINE_INSPECT_SIG_MATCH;
else
return DETECT_ENGINE_INSPECT_SIG_NO_MATCH;
int local_file_id = 0;
for (File *file = ffc->head; file != NULL; file = file->next) {
InspectionBuffer *buffer = FiledataGetDataCallback(det_ctx, ctx->transforms, f, flags,
- file, list_id, ctx->base_list_id, local_file_id);
+ file, list_id, ctx->base_list_id, local_file_id, txv);
if (buffer == NULL)
continue;
+ SCLogDebug("[%" PRIu64 "] buffer size %u", p->pcap_cnt, buffer->inspect_len);
if (buffer->inspect_len >= mpm_ctx->minlen) {
+ uint32_t prev_rule_id_array_cnt = det_ctx->pmq.rule_id_array_cnt;
(void)mpm_table[mpm_ctx->mpm_type].Search(mpm_ctx,
&det_ctx->mtcu, &det_ctx->pmq,
buffer->inspect, buffer->inspect_len);
PREFILTER_PROFILING_ADD_BYTES(det_ctx, buffer->inspect_len);
+
+ if (det_ctx->pmq.rule_id_array_cnt > prev_rule_id_array_cnt) {
+ SCLogDebug(
+ "%u matches", det_ctx->pmq.rule_id_array_cnt - prev_rule_id_array_cnt);
+ }
}
local_file_id++;
}