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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/decode-sctp.c | |
parent | 13d05bc8458758ee39cb829098241e89616717ee (diff) |
suricata checkin based on commit id a4bce14770beee46a537eda3c3f6e8e8565d5d0a
Change-Id: I9a214fa0ee95e58fc640e50bd604dac7f42db48f
Diffstat (limited to 'framework/src/suricata/src/decode-sctp.c')
-rw-r--r-- | framework/src/suricata/src/decode-sctp.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/framework/src/suricata/src/decode-sctp.c b/framework/src/suricata/src/decode-sctp.c new file mode 100644 index 00000000..2d493c66 --- /dev/null +++ b/framework/src/suricata/src/decode-sctp.c @@ -0,0 +1,83 @@ +/* Copyright (C) 2011 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 Eric Leblond <eric@regit.org> + * + * Decode SCTP + */ + +#include "suricata-common.h" +#include "decode.h" +#include "decode-sctp.h" +#include "decode-events.h" +#include "util-unittest.h" +#include "util-debug.h" +#include "util-optimize.h" +#include "flow.h" + +static int DecodeSCTPPacket(ThreadVars *tv, Packet *p, uint8_t *pkt, uint16_t len) +{ + if (unlikely(len < SCTP_HEADER_LEN)) { + ENGINE_SET_INVALID_EVENT(p, SCTP_PKT_TOO_SMALL); + return -1; + } + + p->sctph = (SCTPHdr *)pkt; + + SET_SCTP_SRC_PORT(p,&p->sp); + SET_SCTP_DST_PORT(p,&p->dp); + + p->payload = pkt + sizeof(SCTPHdr); + p->payload_len = len - sizeof(SCTPHdr); + + p->proto = IPPROTO_SCTP; + + return 0; +} + +int DecodeSCTP(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, uint8_t *pkt, uint16_t len, PacketQueue *pq) +{ + StatsIncr(tv, dtv->counter_sctp); + + if (unlikely(DecodeSCTPPacket(tv, p,pkt,len) < 0)) { + p->sctph = NULL; + return TM_ECODE_FAILED; + } + +#ifdef DEBUG + SCLogDebug("SCTP sp: %" PRIu32 " -> dp: %" PRIu32, + SCTP_GET_SRC_PORT(p), SCTP_GET_DST_PORT(p)); +#endif + + /* Flow is an integral part of us */ + FlowHandlePacket(tv, dtv, p); + + return TM_ECODE_OK; +} +/** + * @} + */ |