X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/bef667db65b15c89ec6f1cf325b76acd3c0b8748..c39d40a767a1ae36171e5bcbf6f157ff3e80fb6c:/print-sctp.c

diff --git a/print-sctp.c b/print-sctp.c
index 9384a93d..6a2a5b60 100644
--- a/print-sctp.c
+++ b/print-sctp.c
@@ -41,6 +41,7 @@
 
 #include "netdissect-stdinc.h"
 
+#define ND_LONGJMP_FROM_TCHECK
 #include "netdissect.h"
 #include "addrtoname.h"
 #include "extract.h"
@@ -467,9 +468,9 @@ sctp_print(netdissect_options *ndo,
   ndo->ndo_protocol = "sctp";
   if (sctpPacketLength < sizeof(struct sctpHeader))
     {
-      ND_PRINT("truncated-sctp - %ld bytes missing!",
-		   (long)(sizeof(struct sctpHeader) - sctpPacketLength));
-      return;
+      ND_PRINT("truncated-sctp - %zu bytes missing!",
+               sizeof(struct sctpHeader) - sctpPacketLength);
+      goto invalid;
     }
   sctpPktHdr = (const struct sctpHeader*) bp;
   ND_TCHECK_SIZE(sctpPktHdr);
@@ -486,16 +487,15 @@ sctp_print(netdissect_options *ndo,
 
   if (ip6) {
     ND_PRINT("%s.%u > %s.%u: sctp",
-      ip6addr_string(ndo, ip6->ip6_src),
+      GET_IP6ADDR_STRING(ip6->ip6_src),
       sourcePort,
-      ip6addr_string(ndo, ip6->ip6_dst),
+      GET_IP6ADDR_STRING(ip6->ip6_dst),
       destPort);
-  } else
-  {
+  } else {
     ND_PRINT("%s.%u > %s.%u: sctp",
-      ipaddr_string(ndo, ip->ip_src),
+      GET_IPADDR_STRING(ip->ip_src),
       sourcePort,
-      ipaddr_string(ndo, ip->ip_dst),
+      GET_IPADDR_STRING(ip->ip_dst),
       destPort);
   }
 
@@ -581,7 +581,7 @@ sctp_print(netdissect_options *ndo,
 
 	    if (chunkLengthRemaining < sizeof(*dataHdrPtr)) {
 		ND_PRINT("bogus chunk length %u]", chunkLength);
-		return;
+		goto invalid;
 	    }
 	    dataHdrPtr=(const struct sctpDataPart*)bp;
 
@@ -604,7 +604,7 @@ sctp_print(netdissect_options *ndo,
 	    payload_size = chunkLengthRemaining;
 	    if (payload_size == 0) {
 		ND_PRINT("bogus chunk length %u]", chunkLength);
-		return;
+		goto invalid;
 	    }
 
 	    if (isforces) {
@@ -640,7 +640,7 @@ sctp_print(netdissect_options *ndo,
 
 	    if (chunkLengthRemaining < sizeof(*init)) {
 		ND_PRINT("bogus chunk length %u]", chunkLength);
-		return;
+		goto invalid;
 	    }
 	    init=(const struct sctpInitiation*)bp;
 	    ND_PRINT("[init tag: %u] ", GET_BE_U_4(init->initTag));
@@ -668,7 +668,7 @@ sctp_print(netdissect_options *ndo,
 
 	    if (chunkLengthRemaining < sizeof(*init)) {
 		ND_PRINT("bogus chunk length %u]", chunkLength);
-		return;
+		goto invalid;
 	    }
 	    init=(const struct sctpInitiation*)bp;
 	    ND_PRINT("[init tag: %u] ", GET_BE_U_4(init->initTag));
@@ -699,7 +699,7 @@ sctp_print(netdissect_options *ndo,
 
 	    if (chunkLengthRemaining < sizeof(*sack)) {
 	      ND_PRINT("bogus chunk length %u]", chunkLength);
-	      return;
+	      goto invalid;
 	    }
 	    sack=(const struct sctpSelectiveAck*)bp;
 	    ND_PRINT("[cum ack %u] ", GET_BE_U_4(sack->highestConseqTSN));
@@ -717,7 +717,7 @@ sctp_print(netdissect_options *ndo,
 		 bp += sizeof(*frag), sctpPacketLengthRemaining -= sizeof(*frag), chunkLengthRemaining -= sizeof(*frag), fragNo++) {
 	      if (chunkLengthRemaining < sizeof(*frag)) {
 		ND_PRINT("bogus chunk length %u]", chunkLength);
-		return;
+		goto invalid;
 	      }
 	      frag = (const struct sctpSelectiveFrag *)bp;
 	      ND_PRINT("\n\t\t[gap ack block #%u: start = %u, end = %u] ",
@@ -732,7 +732,7 @@ sctp_print(netdissect_options *ndo,
 		 bp += 4, sctpPacketLengthRemaining -= 4, chunkLengthRemaining -= 4, tsnNo++) {
 	      if (chunkLengthRemaining < 4) {
 		ND_PRINT("bogus chunk length %u]", chunkLength);
-		return;
+		goto invalid;
 	      }
 	      dupTSN = (const u_char *)bp;
 	      ND_PRINT("\n\t\t[dup TSN #%u: %u] ", tsnNo+1,
@@ -770,7 +770,6 @@ sctp_print(netdissect_options *ndo,
       }
     }
     return;
-
-trunc:
-    nd_print_trunc(ndo);
+invalid:
+    nd_print_invalid(ndo);
 }