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80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/* Copyright (C) 2007-2013 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 <anoopsaldanha@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 "app-layer-parser.h"
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#include "detect-app-layer-event.h"
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#include "detect-engine-state.h"
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#include "stream.h"
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#include "detect-engine-apt-event.h"
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#include "util-profiling.h"
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#include "util-unittest.h"
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int DetectEngineAptEventInspect(ThreadVars *tv,
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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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void *tx, uint64_t tx_id)
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{
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AppLayerDecoderEvents *decoder_events = NULL;
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int r = 0;
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AppProto alproto;
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SigMatch *sm;
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DetectAppLayerEventData *aled = NULL;
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alproto = f->alproto;
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decoder_events = AppLayerParserGetEventsByTx(f->proto, alproto, alstate, tx_id);
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if (decoder_events == NULL)
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goto end;
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for (sm = s->sm_lists[DETECT_SM_LIST_APP_EVENT]; sm != NULL; sm = sm->next) {
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aled = (DetectAppLayerEventData *)sm->ctx;
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KEYWORD_PROFILING_START;
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if (AppLayerDecoderEventsIsEventSet(decoder_events, aled->event_id)) {
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KEYWORD_PROFILING_END(det_ctx, sm->type, 1);
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continue;
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}
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KEYWORD_PROFILING_END(det_ctx, sm->type, 0);
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goto end;
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}
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r = 1;
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end:
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if (r == 1) {
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return DETECT_ENGINE_INSPECT_SIG_MATCH;
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} else {
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if (AppLayerParserGetStateProgress(f->proto, alproto, tx, flags) ==
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AppLayerParserGetStateProgressCompletionStatus(alproto, flags))
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{
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return DETECT_ENGINE_INSPECT_SIG_CANT_MATCH;
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} else {
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return DETECT_ENGINE_INSPECT_SIG_NO_MATCH;
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}
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}
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}
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