diff options
Diffstat (limited to 'framework/src/suricata/src/app-layer-events.c')
| -rw-r--r-- | framework/src/suricata/src/app-layer-events.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/framework/src/suricata/src/app-layer-events.c b/framework/src/suricata/src/app-layer-events.c deleted file mode 100644 index cd00a4ee..00000000 --- a/framework/src/suricata/src/app-layer-events.c +++ /dev/null @@ -1,137 +0,0 @@ -/* Copyright (C) 2014 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 Victor Julien <victor@inliniac.net> - * \author Anoop Saldanha <anoopsaldanha@gmail.com> - */ - -#include "suricata-common.h" -#include "decode.h" -#include "flow.h" -#include "app-layer-events.h" -#include "app-layer-parser.h" -#include "util-enum.h" - -/* events raised during protocol detection are stored in the - * packets storage, not in the flow. */ -SCEnumCharMap app_layer_event_pkt_table[ ] = { - { "APPLAYER_MISMATCH_PROTOCOL_BOTH_DIRECTIONS", - APPLAYER_MISMATCH_PROTOCOL_BOTH_DIRECTIONS }, - { "APPLAYER_WRONG_DIRECTION_FIRST_DATA", - APPLAYER_WRONG_DIRECTION_FIRST_DATA }, - { "APPLAYER_DETECT_PROTOCOL_ONLY_ONE_DIRECTION", - APPLAYER_DETECT_PROTOCOL_ONLY_ONE_DIRECTION }, - { "APPLAYER_PROTO_DETECTION_SKIPPED", - APPLAYER_PROTO_DETECTION_SKIPPED }, - { NULL, - -1 }, -}; - -int AppLayerGetPktEventInfo(const char *event_name, int *event_id) -{ - *event_id = SCMapEnumNameToValue(event_name, app_layer_event_pkt_table); - if (*event_id == -1) { - SCLogError(SC_ERR_INVALID_ENUM_MAP, "event \"%s\" not present in " - "app-layer-event's packet event table.", event_name); - /* this should be treated as fatal */ - return -1; - } - - return 0; -} - -#define DECODER_EVENTS_BUFFER_STEPS 8 - -/** - * \brief Set an app layer decoder event. - * - * \param sevents Pointer to a AppLayerDecoderEvents pointer. If *sevents is NULL - * memory will be allocated. - * \param event The event to be stored. - */ -void AppLayerDecoderEventsSetEventRaw(AppLayerDecoderEvents **sevents, uint8_t event) -{ - if (*sevents == NULL) { - AppLayerDecoderEvents *new_devents = SCMalloc(sizeof(AppLayerDecoderEvents)); - if (new_devents == NULL) - return; - - memset(new_devents, 0, sizeof(AppLayerDecoderEvents)); - *sevents = new_devents; - - } - if ((*sevents)->cnt == UCHAR_MAX) { - /* we're full */ - return; - } - if ((*sevents)->cnt == (*sevents)->events_buffer_size) { - int steps = DECODER_EVENTS_BUFFER_STEPS; - if (UCHAR_MAX - (*sevents)->cnt < steps) - steps = UCHAR_MAX - (*sevents)->cnt < steps; - - void *ptr = SCRealloc((*sevents)->events, - ((*sevents)->cnt + steps) * sizeof(uint8_t)); - if (ptr == NULL) { - /* couldn't grow buffer, but no reason to free old - * so we keep the events that may already be here */ - return; - } - (*sevents)->events = ptr; - (*sevents)->events_buffer_size += steps; - } - - (*sevents)->events[(*sevents)->cnt++] = event; -} - -/** - * \brief Set an app layer decoder event. - * - * \param f Pointer to a flow containing DecoderEvents pointer head. If - * the head points to a DecoderEvents instance, a - * new instance would be created and the pointer head would - * would be updated with this new instance - * \param event The event to be stored. - */ -void AppLayerDecoderEventsSetEvent(Flow *f, uint8_t event) -{ - AppLayerDecoderEvents *events = AppLayerParserGetDecoderEvents(f->alparser); - AppLayerDecoderEvents *new = events; - AppLayerDecoderEventsSetEventRaw(&events, event); - if (events != new) - AppLayerParserSetDecoderEvents(f->alparser, events); -} - -void AppLayerDecoderEventsResetEvents(AppLayerDecoderEvents *events) -{ - if (events != NULL) - events->cnt = 0; -} - - -void AppLayerDecoderEventsFreeEvents(AppLayerDecoderEvents **events) -{ - if (events && *events != NULL) { - if ((*events)->events != NULL) - SCFree((*events)->events); - SCFree(*events); - *events = NULL; - } -} - |