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Diffstat (limited to 'framework/src/suricata/src/decode-erspan.c')
-rw-r--r-- | framework/src/suricata/src/decode-erspan.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/framework/src/suricata/src/decode-erspan.c b/framework/src/suricata/src/decode-erspan.c deleted file mode 100644 index f2fb0eb1..00000000 --- a/framework/src/suricata/src/decode-erspan.c +++ /dev/null @@ -1,81 +0,0 @@ -/* Copyright (C) 2015 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 ERSPAN - */ - -#include "suricata-common.h" -#include "suricata.h" -#include "decode.h" -#include "decode-events.h" -#include "decode-erspan.h" - -#include "util-unittest.h" -#include "util-debug.h" - -/** - * \brief Function to decode ERSPAN packets - */ - -int DecodeERSPAN(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, uint8_t *pkt, uint16_t len, PacketQueue *pq) -{ - StatsIncr(tv, dtv->counter_erspan); - - if (len < sizeof(ErspanHdr)) { - ENGINE_SET_EVENT(p,ERSPAN_HEADER_TOO_SMALL); - return TM_ECODE_FAILED; - } - - const ErspanHdr *ehdr = (const ErspanHdr *)pkt; - uint16_t version = ntohs(ehdr->ver_vlan) >> 12; - uint16_t vlan_id = ntohs(ehdr->ver_vlan) & 0x0fff; - - SCLogDebug("ERSPAN: version %u vlan %u", version, vlan_id); - - /* only v1 is tested at this time */ - if (version != 1) { - ENGINE_SET_EVENT(p,ERSPAN_UNSUPPORTED_VERSION); - return TM_ECODE_FAILED; - } - - if (vlan_id > 0 && dtv->vlan_disabled == 0) { - if (p->vlan_idx >= 2) { - ENGINE_SET_EVENT(p,ERSPAN_TOO_MANY_VLAN_LAYERS); - return TM_ECODE_FAILED; - } - p->vlan_id[p->vlan_idx] = vlan_id; - p->vlan_idx++; - } - - return DecodeEthernet(tv, dtv, p, pkt + sizeof(ErspanHdr), len - sizeof(ErspanHdr), pq); -} - -/** - * @} - */ |