diff options
author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:21:41 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:21:41 -0700 |
commit | 8879b125d26e8db1a5633de5a9c692eb2d1c4f83 (patch) | |
tree | c7259d85a991b83dfa85ab2e339360669fc1f58e /framework/src/suricata/src/detect-engine-apt-event.c | |
parent | 13d05bc8458758ee39cb829098241e89616717ee (diff) |
suricata checkin based on commit id a4bce14770beee46a537eda3c3f6e8e8565d5d0a
Change-Id: I9a214fa0ee95e58fc640e50bd604dac7f42db48f
Diffstat (limited to 'framework/src/suricata/src/detect-engine-apt-event.c')
-rw-r--r-- | framework/src/suricata/src/detect-engine-apt-event.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/framework/src/suricata/src/detect-engine-apt-event.c b/framework/src/suricata/src/detect-engine-apt-event.c new file mode 100644 index 00000000..5ca41689 --- /dev/null +++ b/framework/src/suricata/src/detect-engine-apt-event.c @@ -0,0 +1,79 @@ +/* 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; + } + } +} + |