Makefile.in: don't remove configure and config.h.in in make distclean.

[tcpdump] / print-sctp.c

diff --git a/print-sctp.c b/print-sctp.c
index f625dce67b03df12bb578dd600ea3cf918d5d825..cc5bee4ff6f4ebab7cb871e62bd433017dbd2fca 100644 (file)
--- a/print-sctp.c
+++ b/print-sctp.c
@@ -36,11 +36,12 @@
 /* \summary: Stream Control Transmission Protocol (SCTP) printer */
 
 #ifdef HAVE_CONFIG_H
 /* \summary: Stream Control Transmission Protocol (SCTP) printer */
 
 #ifdef HAVE_CONFIG_H

-#include "config.h"
+#include <config.h>

 #endif
 
 #endif
 

-#include <netdissect-stdinc.h>
+#include "netdissect-stdinc.h"

 
 

+#define ND_LONGJMP_FROM_TCHECK

 #include "netdissect.h"
 #include "addrtoname.h"
 #include "extract.h"
 #include "netdissect.h"
 #include "addrtoname.h"
 #include "extract.h"


@@ -89,7 +90,7 @@
  * [email protected]
  *
  * Any bugs reported given to us we will try to fix... any fixes shared will
  * [email protected]
  *
  * Any bugs reported given to us we will try to fix... any fixes shared will

- * be incorperated into the next SCTP release.
+ * be incorporated into the next SCTP release.

  */
 
 /* The valid defines for all message
  */
 
 /* The valid defines for all message


@@ -153,36 +154,36 @@ static const struct tok sctp_chunkid_str[] = {
 /* the sctp common header */
 
 struct sctpHeader{
 /* the sctp common header */
 
 struct sctpHeader{

-  uint16_t source;
-  uint16_t destination;
-  uint32_t verificationTag;
-  uint32_t adler32;
+  nd_uint16_t source;
+  nd_uint16_t destination;
+  nd_uint32_t verificationTag;
+  nd_uint32_t adler32;

 };
 
 /* various descriptor parsers */
 
 struct sctpChunkDesc{
 };
 
 /* various descriptor parsers */
 
 struct sctpChunkDesc{

-  uint8_t chunkID;
-  uint8_t chunkFlg;
-  uint16_t chunkLength;
+  nd_uint8_t  chunkID;
+  nd_uint8_t  chunkFlg;
+  nd_uint16_t chunkLength;

 };
 
 struct sctpParamDesc{
 };
 
 struct sctpParamDesc{

-  uint16_t paramType;
-  uint16_t paramLength;
+  nd_uint16_t paramType;
+  nd_uint16_t paramLength;

 };
 
 
 struct sctpRelChunkDesc{
   struct sctpChunkDesc chk;
 };
 
 
 struct sctpRelChunkDesc{
   struct sctpChunkDesc chk;

-  uint32_t serialNumber;
+  nd_uint32_t serialNumber;

 };
 
 struct sctpVendorSpecificParam {
   struct sctpParamDesc p;  /* type must be 0xfffe */
 };
 
 struct sctpVendorSpecificParam {
   struct sctpParamDesc p;  /* type must be 0xfffe */

-  uint32_t vendorId;      /* vendor ID from RFC 1700 */
-  uint16_t vendorSpecificType;
-  uint16_t vendorSpecificLen;
+  nd_uint32_t vendorId;           /* vendor ID from RFC 1700 */
+  nd_uint16_t vendorSpecificType;
+  nd_uint16_t vendorSpecificLen;

 };
 
 
 };
 
 


@@ -194,57 +195,40 @@ struct sctpVendorSpecificParam {
 
 /* this is used for init ack, too */
 struct sctpInitiation{
 
 /* this is used for init ack, too */
 struct sctpInitiation{

-  uint32_t initTag;            /* tag of mine */
-  uint32_t rcvWindowCredit;    /* rwnd */
-  uint16_t NumPreopenStreams;  /* OS */
-  uint16_t MaxInboundStreams;     /* MIS */
-  uint32_t initialTSN;
+  nd_uint32_t initTag;                 /* tag of mine */
+  nd_uint32_t rcvWindowCredit;         /* rwnd */
+  nd_uint16_t NumPreopenStreams;       /* OS */
+  nd_uint16_t MaxInboundStreams;       /* MIS */
+  nd_uint32_t initialTSN;

   /* optional param's follow in sctpParamDesc form */
 };
 
 struct sctpV4IpAddress{
   struct sctpParamDesc p;      /* type is set to SCTP_IPV4_PARAM_TYPE, len=10 */
   /* optional param's follow in sctpParamDesc form */
 };
 
 struct sctpV4IpAddress{
   struct sctpParamDesc p;      /* type is set to SCTP_IPV4_PARAM_TYPE, len=10 */

-  uint32_t  ipAddress;
+  nd_ipv4  ipAddress;

 };
 
 
 struct sctpV6IpAddress{
   struct sctpParamDesc p;      /* type is set to SCTP_IPV6_PARAM_TYPE, len=22 */
 };
 
 
 struct sctpV6IpAddress{
   struct sctpParamDesc p;      /* type is set to SCTP_IPV6_PARAM_TYPE, len=22 */

-  uint8_t  ipAddress[16];
+  nd_ipv6  ipAddress;

 };
 
 struct sctpDNSName{
   struct sctpParamDesc param;
 };
 
 struct sctpDNSName{
   struct sctpParamDesc param;

-  uint8_t name[1];
+  nd_byte name[1];

 };
 
 
 struct sctpCookiePreserve{
   struct sctpParamDesc p;      /* type is set to SCTP_COOKIE_PRESERVE, len=8 */
 };
 
 
 struct sctpCookiePreserve{
   struct sctpParamDesc p;      /* type is set to SCTP_COOKIE_PRESERVE, len=8 */

-  uint32_t extraTime;
+  nd_uint32_t extraTime;

 };
 
 
 struct sctpTimeStamp{
 };
 
 
 struct sctpTimeStamp{

-  uint32_t ts_sec;
-  uint32_t ts_usec;
-};
-
-/* wire structure of my cookie */
-struct cookieMessage{
-  uint32_t TieTag_curTag;              /* copied from assoc if present */
-  uint32_t TieTag_hisTag;              /* copied from assoc if present */
-  int32_t cookieLife;                  /* life I will award this cookie */
-  struct sctpTimeStamp timeEnteringState; /* the time I built cookie */
-  struct sctpInitiation initAckISent;  /* the INIT-ACK that I sent to my peer */
-  uint32_t addressWhereISent[4];       /* I make this 4 ints so I get 128bits for future */
-  int32_t addrtype;                    /* address type */
-  uint16_t locScope;                   /* V6 local scope flag */
-  uint16_t siteScope;                  /* V6 site scope flag */
-  /* at the end is tacked on the INIT chunk sent in
-   * its entirety and of course our
-   * signature.
-   */
+  nd_uint32_t ts_sec;
+  nd_uint32_t ts_usec;

 };
 
 
 };
 
 


@@ -266,21 +250,21 @@ struct sctpSendableInit{
 
 /* Selective Acknowledgement
  * has the following structure with
 
 /* Selective Acknowledgement
  * has the following structure with

- * a optional ammount of trailing int's
+ * a optional amount of trailing int's

  * on the last part (based on the numberOfDesc
  * field).
  */
 
 struct sctpSelectiveAck{
  * on the last part (based on the numberOfDesc
  * field).
  */
 
 struct sctpSelectiveAck{

-  uint32_t highestConseqTSN;
-  uint32_t updatedRwnd;
-  uint16_t numberOfdesc;
-  uint16_t numDupTsns;
+  nd_uint32_t highestConseqTSN;
+  nd_uint32_t updatedRwnd;
+  nd_uint16_t numberOfdesc;
+  nd_uint16_t numDupTsns;

 };
 
 struct sctpSelectiveFrag{
 };
 
 struct sctpSelectiveFrag{

-  uint16_t fragmentStart;
-  uint16_t fragmentEnd;
+  nd_uint16_t fragmentStart;
+  nd_uint16_t fragmentEnd;

 };
 
 
 };
 
 


@@ -289,33 +273,6 @@ struct sctpUnifiedSack{
   struct sctpSelectiveAck sack;
 };
 
   struct sctpSelectiveAck sack;
 };
 

-/* for both RTT request/response the
- * following is sent
- */
-
-struct sctpHBrequest {
-  uint32_t time_value_1;
-  uint32_t time_value_2;
-};
-
-/* here is what I read and respond with to. */
-struct sctpHBunified{
-  struct sctpChunkDesc hdr;
-  struct sctpParamDesc hb;
-};
-
-
-/* here is what I send */
-struct sctpHBsender{
-  struct sctpChunkDesc hdr;
-  struct sctpParamDesc hb;
-  struct sctpHBrequest rtt;
-  int8_t addrFmt[SCTP_ADDRMAX];
-  uint16_t userreq;
-};
-
-
-

 /* for the abort and shutdown ACK
  * we must carry the init tag in the common header. Just the
  * common header is all that is needed with a chunk descriptor.
 /* for the abort and shutdown ACK
  * we must carry the init tag in the common header. Just the
  * common header is all that is needed with a chunk descriptor.


@@ -332,15 +289,15 @@ struct sctpUnifiedAbortLight{
 struct sctpUnifiedAbortHeavy{
   struct sctpHeader mh;
   struct sctpChunkDesc uh;
 struct sctpUnifiedAbortHeavy{
   struct sctpHeader mh;
   struct sctpChunkDesc uh;

-  uint16_t causeCode;
-  uint16_t causeLen;
+  nd_uint16_t causeCode;
+  nd_uint16_t causeLen;

 };
 
 /* For the graceful shutdown we must carry
  * the tag (in common header)  and the highest consequitive acking value
  */
 struct sctpShutdown {
 };
 
 /* For the graceful shutdown we must carry
  * the tag (in common header)  and the highest consequitive acking value
  */
 struct sctpShutdown {

-  uint32_t TSN_Seen;
+  nd_uint32_t TSN_Seen;

 };
 
 struct sctpUnifiedShutdown{
 };
 
 struct sctpUnifiedShutdown{


@@ -353,8 +310,8 @@ struct sctpUnifiedShutdown{
  * that is defined as a operation error.
  */
 struct sctpOpErrorCause{
  * that is defined as a operation error.
  */
 struct sctpOpErrorCause{

-  uint16_t cause;
-  uint16_t causeLen;
+  nd_uint16_t cause;
+  nd_uint16_t causeLen;

 };
 
 struct sctpUnifiedOpError{
 };
 
 struct sctpUnifiedOpError{


@@ -366,15 +323,15 @@ struct sctpUnifiedStreamError{
   struct sctpHeader mh;
   struct sctpChunkDesc uh;
   struct sctpOpErrorCause c;
   struct sctpHeader mh;
   struct sctpChunkDesc uh;
   struct sctpOpErrorCause c;

-  uint16_t strmNum;
-  uint16_t reserved;
+  nd_uint16_t strmNum;
+  nd_uint16_t reserved;

 };
 
 struct staleCookieMsg{
   struct sctpHeader mh;
   struct sctpChunkDesc uh;
   struct sctpOpErrorCause c;
 };
 
 struct staleCookieMsg{
   struct sctpHeader mh;
   struct sctpChunkDesc uh;
   struct sctpOpErrorCause c;

-  uint32_t moretime;
+  nd_uint32_t moretime;

 };
 
 /* the following is used in all sends
 };
 
 /* the following is used in all sends


@@ -387,10 +344,10 @@ struct sctpUnifiedSingleMsg{
 };
 
 struct sctpDataPart{
 };
 
 struct sctpDataPart{

-  uint32_t TSN;
-  uint16_t streamId;
-  uint16_t sequence;
-  uint32_t payloadtype;
+  nd_uint32_t TSN;
+  nd_uint16_t streamId;
+  nd_uint16_t sequence;
+  nd_uint32_t payloadtype;

 };
 
 struct sctpUnifiedDatagram{
 };
 
 struct sctpUnifiedDatagram{


@@ -400,13 +357,13 @@ struct sctpUnifiedDatagram{
 
 struct sctpECN_echo{
   struct sctpChunkDesc uh;
 
 struct sctpECN_echo{
   struct sctpChunkDesc uh;

-  uint32_t Lowest_TSN;
+  nd_uint32_t Lowest_TSN;

 };
 
 
 struct sctpCWR{
   struct sctpChunkDesc uh;
 };
 
 
 struct sctpCWR{
   struct sctpChunkDesc uh;

-  uint32_t TSN_reduced_at;
+  nd_uint32_t TSN_reduced_at;

 };
 
 static const struct tok ForCES_channels[] = {
 };
 
 static const struct tok ForCES_channels[] = {


@@ -478,7 +435,8 @@ static const struct tok PayloadProto_idents[] = {
 };
 
 
 };
 
 

-static inline int isForCES_port(u_short Port)
+static int
+isForCES_port(u_short Port)

 {
        if (Port == CHAN_HP)
                return 1;
 {
        if (Port == CHAN_HP)
                return 1;


@@ -490,33 +448,31 @@ static inline int isForCES_port(u_short Port)
        return 0;
 }
 
        return 0;
 }
 

-void sctp_print(netdissect_options *ndo,
-                const u_char *bp,        /* beginning of sctp packet */
-                const u_char *bp2,       /* beginning of enclosing */
-                u_int sctpPacketLength)  /* ip packet */
+void
+sctp_print(netdissect_options *ndo,
+          const u_char *bp,        /* beginning of sctp packet */
+          const u_char *bp2,       /* beginning of enclosing */
+          u_int sctpPacketLength)  /* sctp packet */

 {
   u_int sctpPacketLengthRemaining;
   const struct sctpHeader *sctpPktHdr;
   const struct ip *ip;
   const struct ip6_hdr *ip6;
 {
   u_int sctpPacketLengthRemaining;
   const struct sctpHeader *sctpPktHdr;
   const struct ip *ip;
   const struct ip6_hdr *ip6;

+  uint8_t chunkID;

   u_short sourcePort, destPort;
   u_short sourcePort, destPort;

-  int chunkCount;
+  u_int chunkCount;

   const struct sctpChunkDesc *chunkDescPtr;
   const char *sep;
   int isforces = 0;
 
   const struct sctpChunkDesc *chunkDescPtr;
   const char *sep;
   int isforces = 0;
 

-  if (sctpPacketLength < sizeof(struct sctpHeader))
-    {
-      ND_PRINT((ndo, "truncated-sctp - %ld bytes missing!",
-                  (long)(sizeof(struct sctpHeader) - sctpPacketLength)));
-      return;
-    }
+  ndo->ndo_protocol = "sctp";
+  ND_ICHECKMSG_ZU("length", sctpPacketLength, <, sizeof(struct sctpHeader));

   sctpPktHdr = (const struct sctpHeader*) bp;
   sctpPktHdr = (const struct sctpHeader*) bp;

-  ND_TCHECK(*sctpPktHdr);
+  ND_TCHECK_SIZE(sctpPktHdr);

   sctpPacketLengthRemaining = sctpPacketLength;
 
   sctpPacketLengthRemaining = sctpPacketLength;
 

-  sourcePort = EXTRACT_16BITS(&sctpPktHdr->source);
-  destPort = EXTRACT_16BITS(&sctpPktHdr->destination);
+  sourcePort = GET_BE_U_2(sctpPktHdr->source);
+  destPort = GET_BE_U_2(sctpPktHdr->destination);

 
   ip = (const struct ip *)bp2;
   if (IP_V(ip) == 6)
 
   ip = (const struct ip *)bp2;
   if (IP_V(ip) == 6)


@@ -525,27 +481,26 @@ void sctp_print(netdissect_options *ndo,
     ip6 = NULL;
 
   if (ip6) {
     ip6 = NULL;
 
   if (ip6) {

-    ND_PRINT((ndo, "%s.%d > %s.%d: sctp",
-      ip6addr_string(ndo, &ip6->ip6_src),
+    ND_PRINT("%s.%u > %s.%u: sctp",
+      GET_IP6ADDR_STRING(ip6->ip6_src),

       sourcePort,
       sourcePort,

-      ip6addr_string(ndo, &ip6->ip6_dst),
-      destPort));
-  } else
-  {
-    ND_PRINT((ndo, "%s.%d > %s.%d: sctp",
-      ipaddr_string(ndo, &ip->ip_src),
+      GET_IP6ADDR_STRING(ip6->ip6_dst),
+      destPort);
+  } else {
+    ND_PRINT("%s.%u > %s.%u: sctp",
+      GET_IPADDR_STRING(ip->ip_src),

       sourcePort,
       sourcePort,

-      ipaddr_string(ndo, &ip->ip_dst),
-      destPort));
+      GET_IPADDR_STRING(ip->ip_dst),
+      destPort);

   }
 
   if (isForCES_port(sourcePort)) {
   }
 
   if (isForCES_port(sourcePort)) {

-         ND_PRINT((ndo, "[%s]", tok2str(ForCES_channels, NULL, sourcePort)));
-         isforces = 1;
+        ND_PRINT("[%s]", tok2str(ForCES_channels, NULL, sourcePort));
+        isforces = 1;

   }
   if (isForCES_port(destPort)) {
   }
   if (isForCES_port(destPort)) {

-         ND_PRINT((ndo, "[%s]", tok2str(ForCES_channels, NULL, destPort)));
-         isforces = 1;
+        ND_PRINT("[%s]", tok2str(ForCES_channels, NULL, destPort));
+        isforces = 1;

   }
 
   bp += sizeof(struct sctpHeader);
   }
 
   bp += sizeof(struct sctpHeader);


@@ -565,14 +520,14 @@ void sctp_print(netdissect_options *ndo,
 
       chunkDescPtr = (const struct sctpChunkDesc *)bp;
       if (sctpPacketLengthRemaining < sizeof(*chunkDescPtr)) {
 
       chunkDescPtr = (const struct sctpChunkDesc *)bp;
       if (sctpPacketLengthRemaining < sizeof(*chunkDescPtr)) {

-        ND_PRINT((ndo, "%s%d) [chunk descriptor cut off at end of packet]", sep, chunkCount+1));
-        break;
+       ND_PRINT("%s%u) [chunk descriptor cut off at end of packet]", sep, chunkCount+1);
+       break;

       }
       }

-      ND_TCHECK(*chunkDescPtr);
-      chunkLength = EXTRACT_16BITS(&chunkDescPtr->chunkLength);
+      ND_TCHECK_SIZE(chunkDescPtr);
+      chunkLength = GET_BE_U_2(chunkDescPtr->chunkLength);

       if (chunkLength < sizeof(*chunkDescPtr)) {
       if (chunkLength < sizeof(*chunkDescPtr)) {

-        ND_PRINT((ndo, "%s%d) [Bad chunk length %u, < size of chunk descriptor]", sep, chunkCount+1, chunkLength));
-        break;
+       ND_PRINT("%s%u) [Bad chunk length %u, < size of chunk descriptor]", sep, chunkCount+1, chunkLength);
+       break;

       }
       chunkLengthRemaining = chunkLength;
 
       }
       chunkLengthRemaining = chunkLength;
 


@@ -581,61 +536,54 @@ void sctp_print(netdissect_options *ndo,
        align = 4 - align;
 
       if (sctpPacketLengthRemaining < align) {
        align = 4 - align;
 
       if (sctpPacketLengthRemaining < align) {

-        ND_PRINT((ndo, "%s%d) [Bad chunk length %u, > remaining data in packet]", sep, chunkCount+1, chunkLength));
-        break;
+       ND_PRINT("%s%u) [Bad chunk length %u, > remaining data in packet]", sep, chunkCount+1, chunkLength);
+       break;

       }
 
       }
 

-      ND_TCHECK2(*bp, chunkLength);
+      ND_TCHECK_LEN(bp, chunkLength);

 
       bp += sizeof(*chunkDescPtr);
       sctpPacketLengthRemaining -= sizeof(*chunkDescPtr);
       chunkLengthRemaining -= sizeof(*chunkDescPtr);
 
 
       bp += sizeof(*chunkDescPtr);
       sctpPacketLengthRemaining -= sizeof(*chunkDescPtr);
       chunkLengthRemaining -= sizeof(*chunkDescPtr);
 

-      ND_PRINT((ndo, "%s%d) ", sep, chunkCount+1));
-      ND_PRINT((ndo, "[%s] ", tok2str(sctp_chunkid_str, "Unknown chunk type: 0x%x",
-                                      chunkDescPtr->chunkID)));
-      switch (chunkDescPtr->chunkID)
+      ND_PRINT("%s%u) ", sep, chunkCount+1);
+      chunkID = GET_U_1(chunkDescPtr->chunkID);
+      ND_PRINT("[%s] ", tok2str(sctp_chunkid_str, "Unknown chunk type: 0x%x",
+              chunkID));
+      switch (chunkID)

        {
        case SCTP_DATA :
          {
            const struct sctpDataPart *dataHdrPtr;
        {
        case SCTP_DATA :
          {
            const struct sctpDataPart *dataHdrPtr;

+           uint8_t chunkFlg;

            uint32_t ppid;
            uint32_t ppid;

-           u_int payload_size;
-
-           if ((chunkDescPtr->chunkFlg & SCTP_DATA_UNORDERED)
-               == SCTP_DATA_UNORDERED)
-             ND_PRINT((ndo, "(U)"));
-
-           if ((chunkDescPtr->chunkFlg & SCTP_DATA_FIRST_FRAG)
-               == SCTP_DATA_FIRST_FRAG)
-             ND_PRINT((ndo, "(B)"));
-
-           if ((chunkDescPtr->chunkFlg & SCTP_DATA_LAST_FRAG)
-               == SCTP_DATA_LAST_FRAG)
-             ND_PRINT((ndo, "(E)"));
-
-           if( ((chunkDescPtr->chunkFlg & SCTP_DATA_UNORDERED)
-                == SCTP_DATA_UNORDERED)
-               ||
-               ((chunkDescPtr->chunkFlg & SCTP_DATA_FIRST_FRAG)
-                == SCTP_DATA_FIRST_FRAG)
-               ||
-               ((chunkDescPtr->chunkFlg & SCTP_DATA_LAST_FRAG)
-                == SCTP_DATA_LAST_FRAG) )
-             ND_PRINT((ndo, " "));
-
-           if (chunkLengthRemaining < sizeof(*dataHdrPtr)) {
-               ND_PRINT((ndo, "bogus chunk length %u]", chunkLength));
-               return;
-           }
+           uint16_t payload_size;
+
+           chunkFlg = GET_U_1(chunkDescPtr->chunkFlg);
+           if ((chunkFlg & SCTP_DATA_UNORDERED) == SCTP_DATA_UNORDERED)
+             ND_PRINT("(U)");
+
+           if ((chunkFlg & SCTP_DATA_FIRST_FRAG) == SCTP_DATA_FIRST_FRAG)
+             ND_PRINT("(B)");
+
+           if ((chunkFlg & SCTP_DATA_LAST_FRAG) == SCTP_DATA_LAST_FRAG)
+             ND_PRINT("(E)");
+
+           if( ((chunkFlg & SCTP_DATA_UNORDERED) == SCTP_DATA_UNORDERED) ||
+               ((chunkFlg & SCTP_DATA_FIRST_FRAG) == SCTP_DATA_FIRST_FRAG) ||
+               ((chunkFlg & SCTP_DATA_LAST_FRAG) == SCTP_DATA_LAST_FRAG) )
+             ND_PRINT(" ");
+
+           ND_ICHECKMSG_ZU("chunk length", chunkLengthRemaining, <,
+                           sizeof(*dataHdrPtr));

            dataHdrPtr=(const struct sctpDataPart*)bp;
 
            dataHdrPtr=(const struct sctpDataPart*)bp;
 

-           ppid = EXTRACT_32BITS(&dataHdrPtr->payloadtype);
-           ND_PRINT((ndo, "[TSN: %u] ", EXTRACT_32BITS(&dataHdrPtr->TSN)));
-           ND_PRINT((ndo, "[SID: %u] ", EXTRACT_16BITS(&dataHdrPtr->streamId)));
-           ND_PRINT((ndo, "[SSEQ %u] ", EXTRACT_16BITS(&dataHdrPtr->sequence)));
-           ND_PRINT((ndo, "[PPID %s] ",
-                   tok2str(PayloadProto_idents, "0x%x", ppid)));
+           ppid = GET_BE_U_4(dataHdrPtr->payloadtype);
+           ND_PRINT("[TSN: %u] ", GET_BE_U_4(dataHdrPtr->TSN));
+           ND_PRINT("[SID: %u] ", GET_BE_U_2(dataHdrPtr->streamId));
+           ND_PRINT("[SSEQ %u] ", GET_BE_U_2(dataHdrPtr->sequence));
+           ND_PRINT("[PPID %s] ",
+                   tok2str(PayloadProto_idents, "0x%x", ppid));

 
            if (!isforces) {
                isforces = (ppid == SCTP_PPID_FORCES_HP) ||
 
            if (!isforces) {
                isforces = (ppid == SCTP_PPID_FORCES_HP) ||


@@ -646,27 +594,28 @@ void sctp_print(netdissect_options *ndo,
            bp += sizeof(*dataHdrPtr);
            sctpPacketLengthRemaining -= sizeof(*dataHdrPtr);
            chunkLengthRemaining -= sizeof(*dataHdrPtr);
            bp += sizeof(*dataHdrPtr);
            sctpPacketLengthRemaining -= sizeof(*dataHdrPtr);
            chunkLengthRemaining -= sizeof(*dataHdrPtr);

+           ND_ICHECKMSG_U("chunk length", chunkLengthRemaining, ==, 0);

            payload_size = chunkLengthRemaining;
            payload_size = chunkLengthRemaining;

-           if (payload_size == 0) {
-               ND_PRINT((ndo, "bogus chunk length %u]", chunkLength));
-               return;
-           }

 
            if (isforces) {
                forces_print(ndo, bp, payload_size);
 
            if (isforces) {
                forces_print(ndo, bp, payload_size);

+               /* ndo_protocol reassignment after forces_print() call */
+               ndo->ndo_protocol = "sctp";

            } else if (ndo->ndo_vflag >= 2) {   /* if verbose output is specified */
                                        /* at the command line */
                switch (ppid) {
                case SCTP_PPID_M3UA :
                        m3ua_print(ndo, bp, payload_size);
            } else if (ndo->ndo_vflag >= 2) {   /* if verbose output is specified */
                                        /* at the command line */
                switch (ppid) {
                case SCTP_PPID_M3UA :
                        m3ua_print(ndo, bp, payload_size);

+                       /* ndo_protocol reassignment after m3ua_print() call */
+                       ndo->ndo_protocol = "sctp";

                        break;
                default:
                        break;
                default:

-                       ND_PRINT((ndo, "[Payload"));
+                       ND_PRINT("[Payload");

                        if (!ndo->ndo_suppress_default_print) {
                        if (!ndo->ndo_suppress_default_print) {

-                               ND_PRINT((ndo, ":"));
+                               ND_PRINT(":");

                                ND_DEFAULTPRINT(bp, payload_size);
                        }
                                ND_DEFAULTPRINT(bp, payload_size);
                        }

-                       ND_PRINT((ndo, "]"));
+                       ND_PRINT("]");

                        break;
                }
            }
                        break;
                }
            }


@@ -679,113 +628,102 @@ void sctp_print(netdissect_options *ndo,
          {
            const struct sctpInitiation *init;
 
          {
            const struct sctpInitiation *init;
 

-           if (chunkLengthRemaining < sizeof(*init)) {
-               ND_PRINT((ndo, "bogus chunk length %u]", chunkLength));
-               return;
-           }
+           ND_ICHECKMSG_ZU("chunk length", chunkLengthRemaining, <,
+                           sizeof(*init));

            init=(const struct sctpInitiation*)bp;
            init=(const struct sctpInitiation*)bp;

-           ND_PRINT((ndo, "[init tag: %u] ", EXTRACT_32BITS(&init->initTag)));
-           ND_PRINT((ndo, "[rwnd: %u] ", EXTRACT_32BITS(&init->rcvWindowCredit)));
-           ND_PRINT((ndo, "[OS: %u] ", EXTRACT_16BITS(&init->NumPreopenStreams)));
-           ND_PRINT((ndo, "[MIS: %u] ", EXTRACT_16BITS(&init->MaxInboundStreams)));
-           ND_PRINT((ndo, "[init TSN: %u] ", EXTRACT_32BITS(&init->initialTSN)));
+           ND_PRINT("[init tag: %u] ", GET_BE_U_4(init->initTag));
+           ND_PRINT("[rwnd: %u] ", GET_BE_U_4(init->rcvWindowCredit));
+           ND_PRINT("[OS: %u] ", GET_BE_U_2(init->NumPreopenStreams));
+           ND_PRINT("[MIS: %u] ", GET_BE_U_2(init->MaxInboundStreams));
+           ND_PRINT("[init TSN: %u] ", GET_BE_U_4(init->initialTSN));

            bp += sizeof(*init);
            bp += sizeof(*init);

-           sctpPacketLengthRemaining -= sizeof(*init);
+           sctpPacketLengthRemaining -= sizeof(*init);

            chunkLengthRemaining -= sizeof(*init);
 
 #if 0 /* ALC you can add code for optional params here */
            if( chunkLengthRemaining != 0 )
            chunkLengthRemaining -= sizeof(*init);
 
 #if 0 /* ALC you can add code for optional params here */
            if( chunkLengthRemaining != 0 )

-             ND_PRINT((ndo, " @@@@@ UNFINISHED @@@@@@%s\n",
-                    "Optional params present, but not printed."));
+             ND_PRINT(" @@@@@ UNFINISHED @@@@@@%s\n",
+                    "Optional params present, but not printed.");

 #endif
 #endif

-            bp += chunkLengthRemaining;
+           bp += chunkLengthRemaining;

            sctpPacketLengthRemaining -= chunkLengthRemaining;
            sctpPacketLengthRemaining -= chunkLengthRemaining;

-            chunkLengthRemaining = 0;
+           chunkLengthRemaining = 0;

            break;
          }
        case SCTP_INITIATION_ACK :
          {
            const struct sctpInitiation *init;
 
            break;
          }
        case SCTP_INITIATION_ACK :
          {
            const struct sctpInitiation *init;
 

-           if (chunkLengthRemaining < sizeof(*init)) {
-               ND_PRINT((ndo, "bogus chunk length %u]", chunkLength));
-               return;
-           }
+           ND_ICHECKMSG_ZU("chunk length", chunkLengthRemaining, <,
+                           sizeof(*init));

            init=(const struct sctpInitiation*)bp;
            init=(const struct sctpInitiation*)bp;

-           ND_PRINT((ndo, "[init tag: %u] ", EXTRACT_32BITS(&init->initTag)));
-           ND_PRINT((ndo, "[rwnd: %u] ", EXTRACT_32BITS(&init->rcvWindowCredit)));
-           ND_PRINT((ndo, "[OS: %u] ", EXTRACT_16BITS(&init->NumPreopenStreams)));
-           ND_PRINT((ndo, "[MIS: %u] ", EXTRACT_16BITS(&init->MaxInboundStreams)));
-           ND_PRINT((ndo, "[init TSN: %u] ", EXTRACT_32BITS(&init->initialTSN)));
-            bp += sizeof(*init);
-            sctpPacketLengthRemaining -= sizeof(*init);
-            chunkLengthRemaining -= sizeof(*init);
+           ND_PRINT("[init tag: %u] ", GET_BE_U_4(init->initTag));
+           ND_PRINT("[rwnd: %u] ", GET_BE_U_4(init->rcvWindowCredit));
+           ND_PRINT("[OS: %u] ", GET_BE_U_2(init->NumPreopenStreams));
+           ND_PRINT("[MIS: %u] ", GET_BE_U_2(init->MaxInboundStreams));
+           ND_PRINT("[init TSN: %u] ", GET_BE_U_4(init->initialTSN));
+           bp += sizeof(*init);
+           sctpPacketLengthRemaining -= sizeof(*init);
+           chunkLengthRemaining -= sizeof(*init);

 
 #if 0 /* ALC you can add code for optional params here */
            if( chunkLengthRemaining != 0 )
 
 #if 0 /* ALC you can add code for optional params here */
            if( chunkLengthRemaining != 0 )

-             ND_PRINT((ndo, " @@@@@ UNFINISHED @@@@@@%s\n",
-                    "Optional params present, but not printed."));
+             ND_PRINT(" @@@@@ UNFINISHED @@@@@@%s\n",
+                    "Optional params present, but not printed.");

 #endif
 #endif

-            bp += chunkLengthRemaining;
+           bp += chunkLengthRemaining;

            sctpPacketLengthRemaining -= chunkLengthRemaining;
            sctpPacketLengthRemaining -= chunkLengthRemaining;

-            chunkLengthRemaining = 0;
+           chunkLengthRemaining = 0;

            break;
          }
        case SCTP_SELECTIVE_ACK:
          {
            const struct sctpSelectiveAck *sack;
            const struct sctpSelectiveFrag *frag;
            break;
          }
        case SCTP_SELECTIVE_ACK:
          {
            const struct sctpSelectiveAck *sack;
            const struct sctpSelectiveFrag *frag;

-           int fragNo, tsnNo;
+           u_int fragNo, tsnNo;

            const u_char *dupTSN;
 
            const u_char *dupTSN;
 

-           if (chunkLengthRemaining < sizeof(*sack)) {
-             ND_PRINT((ndo, "bogus chunk length %u]", chunkLength));
-             return;
-           }
+           ND_ICHECKMSG_ZU("chunk length", chunkLengthRemaining, <,
+                           sizeof(*sack));

            sack=(const struct sctpSelectiveAck*)bp;
            sack=(const struct sctpSelectiveAck*)bp;

-           ND_PRINT((ndo, "[cum ack %u] ", EXTRACT_32BITS(&sack->highestConseqTSN)));
-           ND_PRINT((ndo, "[a_rwnd %u] ", EXTRACT_32BITS(&sack->updatedRwnd)));
-           ND_PRINT((ndo, "[#gap acks %u] ", EXTRACT_16BITS(&sack->numberOfdesc)));
-           ND_PRINT((ndo, "[#dup tsns %u] ", EXTRACT_16BITS(&sack->numDupTsns)));
-            bp += sizeof(*sack);
+           ND_PRINT("[cum ack %u] ", GET_BE_U_4(sack->highestConseqTSN));
+           ND_PRINT("[a_rwnd %u] ", GET_BE_U_4(sack->updatedRwnd));
+           ND_PRINT("[#gap acks %u] ", GET_BE_U_2(sack->numberOfdesc));
+           ND_PRINT("[#dup tsns %u] ", GET_BE_U_2(sack->numDupTsns));
+           bp += sizeof(*sack);

            sctpPacketLengthRemaining -= sizeof(*sack);
            sctpPacketLengthRemaining -= sizeof(*sack);

-            chunkLengthRemaining -= sizeof(*sack);
+           chunkLengthRemaining -= sizeof(*sack);

 
 
            /* print gaps */
            for (fragNo=0;
 
 
            /* print gaps */
            for (fragNo=0;

-                chunkLengthRemaining != 0 && fragNo < EXTRACT_16BITS(&sack->numberOfdesc);
+                chunkLengthRemaining != 0 && fragNo < GET_BE_U_2(sack->numberOfdesc);

                 bp += sizeof(*frag), sctpPacketLengthRemaining -= sizeof(*frag), chunkLengthRemaining -= sizeof(*frag), fragNo++) {
                 bp += sizeof(*frag), sctpPacketLengthRemaining -= sizeof(*frag), chunkLengthRemaining -= sizeof(*frag), fragNo++) {

-             if (chunkLengthRemaining < sizeof(*frag)) {
-               ND_PRINT((ndo, "bogus chunk length %u]", chunkLength));
-               return;
-             }
+             ND_ICHECKMSG_ZU("chunk length", chunkLengthRemaining, <,
+                           sizeof(*frag));

              frag = (const struct sctpSelectiveFrag *)bp;
              frag = (const struct sctpSelectiveFrag *)bp;

-             ND_PRINT((ndo, "\n\t\t[gap ack block #%d: start = %u, end = %u] ",
+             ND_PRINT("\n\t\t[gap ack block #%u: start = %u, end = %u] ",

                     fragNo+1,
                     fragNo+1,

-                    EXTRACT_32BITS(&sack->highestConseqTSN) + EXTRACT_16BITS(&frag->fragmentStart),
-                    EXTRACT_32BITS(&sack->highestConseqTSN) + EXTRACT_16BITS(&frag->fragmentEnd)));
+                    GET_BE_U_4(sack->highestConseqTSN) + GET_BE_U_2(frag->fragmentStart),
+                    GET_BE_U_4(sack->highestConseqTSN) + GET_BE_U_2(frag->fragmentEnd));

            }
 
            /* print duplicate TSNs */
            for (tsnNo=0;
            }
 
            /* print duplicate TSNs */
            for (tsnNo=0;

-                chunkLengthRemaining != 0 && tsnNo<EXTRACT_16BITS(&sack->numDupTsns);
+                chunkLengthRemaining != 0 && tsnNo<GET_BE_U_2(sack->numDupTsns);

                 bp += 4, sctpPacketLengthRemaining -= 4, chunkLengthRemaining -= 4, tsnNo++) {
                 bp += 4, sctpPacketLengthRemaining -= 4, chunkLengthRemaining -= 4, tsnNo++) {

-             if (chunkLengthRemaining < 4) {
-               ND_PRINT((ndo, "bogus chunk length %u]", chunkLength));
-               return;
-             }
-              dupTSN = (const u_char *)bp;
-             ND_PRINT((ndo, "\n\t\t[dup TSN #%u: %u] ", tsnNo+1,
-               EXTRACT_32BITS(dupTSN)));
+             ND_ICHECKMSG_U("chunk length", chunkLengthRemaining, <, 4);
+             dupTSN = (const u_char *)bp;
+             ND_PRINT("\n\t\t[dup TSN #%u: %u] ", tsnNo+1,
+                      GET_BE_U_4(dupTSN));

            }
            break;
          }
        default :
          {
            }
            break;
          }
        default :
          {

-            bp += chunkLengthRemaining;
-            sctpPacketLengthRemaining -= chunkLengthRemaining;
-            chunkLengthRemaining = 0;
+           bp += chunkLengthRemaining;
+           sctpPacketLengthRemaining -= chunkLengthRemaining;
+           chunkLengthRemaining = 0;

            break;
          }
        }
            break;
          }
        }


@@ -798,20 +736,19 @@ void sctp_print(netdissect_options *ndo,
       sctpPacketLengthRemaining -= chunkLengthRemaining;
 
       if (ndo->ndo_vflag < 2)
       sctpPacketLengthRemaining -= chunkLengthRemaining;
 
       if (ndo->ndo_vflag < 2)

-        sep = ", (";
+       sep = ", (";

 
       if (align != 0) {
        /*
         * Fail if the alignment padding isn't in the captured data.
         * Otherwise, skip it.
         */
 
       if (align != 0) {
        /*
         * Fail if the alignment padding isn't in the captured data.
         * Otherwise, skip it.
         */

-       ND_TCHECK2(*bp, align);
+       ND_TCHECK_LEN(bp, align);

        bp += align;
        sctpPacketLengthRemaining -= align;
       }
     }
     return;
        bp += align;
        sctpPacketLengthRemaining -= align;
       }
     }
     return;

-
-trunc:
-    ND_PRINT((ndo, "[|sctp]"));
+invalid:
+    nd_print_invalid(ndo);

 }
 }