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/* Copyright (C) 2007-2013 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/** \file
*
* \author Anoop Saldanha <anoopsaldanha@gmail.com>
*/
#include "suricata-common.h"
#include "suricata.h"
#include "app-layer-parser.h"
#include "detect-app-layer-event.h"
#include "detect-engine-state.h"
#include "stream.h"
#include "detect-engine-apt-event.h"
#include "util-profiling.h"
#include "util-unittest.h"
int DetectEngineAptEventInspect(ThreadVars *tv,
DetectEngineCtx *de_ctx,
DetectEngineThreadCtx *det_ctx,
Signature *s, Flow *f, uint8_t flags,
void *alstate,
void *tx, uint64_t tx_id)
{
AppLayerDecoderEvents *decoder_events = NULL;
int r = 0;
AppProto alproto;
SigMatch *sm;
DetectAppLayerEventData *aled = NULL;
alproto = f->alproto;
decoder_events = AppLayerParserGetEventsByTx(f->proto, alproto, alstate, tx_id);
if (decoder_events == NULL)
goto end;
for (sm = s->sm_lists[DETECT_SM_LIST_APP_EVENT]; sm != NULL; sm = sm->next) {
aled = (DetectAppLayerEventData *)sm->ctx;
KEYWORD_PROFILING_START;
if (AppLayerDecoderEventsIsEventSet(decoder_events, aled->event_id)) {
KEYWORD_PROFILING_END(det_ctx, sm->type, 1);
continue;
}
KEYWORD_PROFILING_END(det_ctx, sm->type, 0);
goto end;
}
r = 1;
end:
if (r == 1) {
return DETECT_ENGINE_INSPECT_SIG_MATCH;
} else {
if (AppLayerParserGetStateProgress(f->proto, alproto, tx, flags) ==
AppLayerParserGetStateProgressCompletionStatus(f->proto, alproto, flags))
{
return DETECT_ENGINE_INSPECT_SIG_CANT_MATCH;
} else {
return DETECT_ENGINE_INSPECT_SIG_NO_MATCH;
}
}
}
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