mirror of https://github.com/OISF/suricata
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/* Copyright (C) 2007-2010 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.
|
|
*/
|
|
|
|
/**
|
|
* \ingroup decode
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
|
|
/**
|
|
* \file
|
|
*
|
|
* \author Victor Julien <victor@inliniac.net>
|
|
*
|
|
* Decodes Sll
|
|
*/
|
|
|
|
#include "suricata-common.h"
|
|
#include "decode.h"
|
|
#include "decode-sll.h"
|
|
#include "decode-events.h"
|
|
#include "util-debug.h"
|
|
|
|
int DecodeSll(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, uint8_t *pkt, uint16_t len, PacketQueue *pq)
|
|
{
|
|
StatsIncr(tv, dtv->counter_sll);
|
|
|
|
if (unlikely(len < SLL_HEADER_LEN)) {
|
|
ENGINE_SET_INVALID_EVENT(p, SLL_PKT_TOO_SMALL);
|
|
return TM_ECODE_FAILED;
|
|
}
|
|
|
|
SllHdr *sllh = (SllHdr *)pkt;
|
|
if (unlikely(sllh == NULL))
|
|
return TM_ECODE_FAILED;
|
|
|
|
SCLogDebug("p %p pkt %p sll_protocol %04x", p, pkt, ntohs(sllh->sll_protocol));
|
|
|
|
switch (ntohs(sllh->sll_protocol)) {
|
|
case ETHERNET_TYPE_IP:
|
|
DecodeIPV4(tv, dtv, p, pkt + SLL_HEADER_LEN,
|
|
len - SLL_HEADER_LEN, pq);
|
|
break;
|
|
case ETHERNET_TYPE_IPV6:
|
|
DecodeIPV6(tv, dtv, p, pkt + SLL_HEADER_LEN,
|
|
len - SLL_HEADER_LEN, pq);
|
|
break;
|
|
case ETHERNET_TYPE_VLAN:
|
|
DecodeVLAN(tv, dtv, p, pkt + SLL_HEADER_LEN,
|
|
len - SLL_HEADER_LEN, pq);
|
|
break;
|
|
default:
|
|
SCLogDebug("p %p pkt %p sll type %04x not supported", p,
|
|
pkt, ntohs(sllh->sll_protocol));
|
|
}
|
|
|
|
return TM_ECODE_OK;
|
|
}
|
|
/**
|
|
* @}
|
|
*/
|