SCTP support: add parsing of sctp

This patch adds support of SCTP in all part of the code in charge
of decoding packets.

src/decode-icmpv4.h

@@ -26,6 +26,7 @@
 
 #include "decode.h"
 #include "decode-tcp.h"
+#include "decode-sctp.h"
 #include "decode-udp.h"
 
 #define ICMPV4_HEADER_LEN       8

src/decode-icmpv6.c

@@ -27,6 +27,7 @@
 #include "decode-icmpv6.h"
 #include "decode.h"
 #include "decode-tcp.h"
+#include "decode-sctp.h"
 #include "decode-udp.h"
 #include "decode-events.h"
 #include "util-unittest.h"

src/decode-icmpv6.h

@@ -25,6 +25,7 @@
 #define __DECODE_ICMPV6_H__
 
 #include "decode-tcp.h"
+#include "decode-sctp.h"
 #include "decode-udp.h"
 #include "decode-ipv6.h"
 

src/decode-ipv4.c

@@ -556,6 +556,10 @@ void DecodeIPV4(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, uint8_t *pkt,
             DecodeICMPV4(tv, dtv, p, pkt + IPV4_GET_HLEN(p),
                          IPV4_GET_IPLEN(p) - IPV4_GET_HLEN(p), pq);
             break;
+        case IPPROTO_SCTP:
+            DecodeSCTP(tv, dtv, p, pkt + IPV4_GET_HLEN(p),
+                      IPV4_GET_IPLEN(p) - IPV4_GET_HLEN(p), pq);
+            break;
         case IPPROTO_IPV6:
             {
                 if (pq != NULL) {

src/decode-ipv6.c

@@ -73,6 +73,11 @@ DecodeIPV6ExtHdrs(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, uint8_t *pkt
                 DecodeICMPV6(tv, dtv, p, pkt, plen, pq);
                 SCReturn;
 
+            case IPPROTO_SCTP:
+                IPV6_SET_L4PROTO(p,nh);
+                DecodeSCTP(tv, dtv, p, pkt, plen, pq);
+                SCReturn;
+
             case IPPROTO_ROUTING:
                 hdrextlen = sizeof(IPV6RouteHdr);
                 hdrextlen += (*(pkt+1) * 8);  /* 8 octet units */
@@ -441,6 +446,8 @@ void DecodeIPV6(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, uint8_t *pkt,
             break;
         case IPPROTO_ICMPV6:
             return DecodeICMPV6(tv, dtv, p, pkt + IPV6_HEADER_LEN, IPV6_GET_PLEN(p), pq);
+        case IPPROTO_SCTP:
+            return DecodeSCTP(tv, dtv, p, pkt + IPV6_HEADER_LEN, IPV6_GET_PLEN(p), pq);
         case IPPROTO_FRAGMENT:
         case IPPROTO_HOPOPTS:
         case IPPROTO_ROUTING:

src/decode.h

@@ -45,6 +45,7 @@
 #include "decode-icmpv6.h"
 #include "decode-tcp.h"
 #include "decode-udp.h"
+#include "decode-sctp.h"
 #include "decode-raw.h"
 #include "decode-vlan.h"
 
@@ -702,6 +703,7 @@ void DecodeICMPV4(ThreadVars *, DecodeThreadVars *, Packet *, uint8_t *, uint16_
 void DecodeICMPV6(ThreadVars *, DecodeThreadVars *, Packet *, uint8_t *, uint16_t, PacketQueue *);
 void DecodeTCP(ThreadVars *, DecodeThreadVars *, Packet *, uint8_t *, uint16_t, PacketQueue *);
 void DecodeUDP(ThreadVars *, DecodeThreadVars *, Packet *, uint8_t *, uint16_t, PacketQueue *);
+void DecodeSCTP(ThreadVars *, DecodeThreadVars *, Packet *, uint8_t *, uint16_t, PacketQueue *);
 void DecodeGRE(ThreadVars *, DecodeThreadVars *, Packet *, uint8_t *, uint16_t, PacketQueue *);
 void DecodeVLAN(ThreadVars *, DecodeThreadVars *, Packet *, uint8_t *, uint16_t, PacketQueue *);
 

src/respond-reject-libnet11.c

@@ -37,6 +37,7 @@
 #include "decode.h"
 #include "decode-ipv4.h"
 #include "decode-tcp.h"
+#include "decode-sctp.h"
 #include "decode-udp.h"
 #include "packet-queue.h"
 #include "threads.h"