* SUCH DAMAGE.
*/
-#define NETDISSECT_REWORKED
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.h>
-#include "interface.h"
+#include "netdissect.h"
#include "addrtoname.h"
-#include "extract.h" /* must come after interface.h */
+#include "extract.h"
#include "ip.h"
#ifdef INET6
#include "ip6.h"
#define SCTP_RELIABLE_CNTL 0xc1
#define SCTP_RELIABLE_CNTL_ACK 0xc2
+static const struct tok sctp_chunkid_str[] = {
+ { SCTP_DATA, "DATA" },
+ { SCTP_INITIATION, "INIT" },
+ { SCTP_INITIATION_ACK, "INIT ACK" },
+ { SCTP_SELECTIVE_ACK, "SACK" },
+ { SCTP_HEARTBEAT_REQUEST, "HB REQ" },
+ { SCTP_HEARTBEAT_ACK, "HB ACK" },
+ { SCTP_ABORT_ASSOCIATION, "ABORT" },
+ { SCTP_SHUTDOWN, "SHUTDOWN" },
+ { SCTP_SHUTDOWN_ACK, "SHUTDOWN ACK" },
+ { SCTP_OPERATION_ERR, "OP ERR" },
+ { SCTP_COOKIE_ECHO, "COOKIE ECHO" },
+ { SCTP_COOKIE_ACK, "COOKIE ACK" },
+ { SCTP_ECN_ECHO, "ECN ECHO" },
+ { SCTP_ECN_CWR, "ECN CWR" },
+ { SCTP_SHUTDOWN_COMPLETE, "SHUTDOWN COMPLETE" },
+ { SCTP_FORWARD_CUM_TSN, "FOR CUM TSN" },
+ { SCTP_RELIABLE_CNTL, "REL CTRL" },
+ { SCTP_RELIABLE_CNTL_ACK, "REL CTRL ACK" },
+ { 0, NULL }
+};
+
/* Data Chuck Specific Flags */
#define SCTP_DATA_FRAG_MASK 0x03
#define SCTP_DATA_MIDDLE_FRAG 0x00
/* the sctp common header */
struct sctpHeader{
- u_int16_t source;
- u_int16_t destination;
- u_int32_t verificationTag;
- u_int32_t adler32;
+ uint16_t source;
+ uint16_t destination;
+ uint32_t verificationTag;
+ uint32_t adler32;
};
/* various descriptor parsers */
struct sctpChunkDesc{
- u_int8_t chunkID;
- u_int8_t chunkFlg;
- u_int16_t chunkLength;
+ uint8_t chunkID;
+ uint8_t chunkFlg;
+ uint16_t chunkLength;
};
struct sctpParamDesc{
- u_int16_t paramType;
- u_int16_t paramLength;
+ uint16_t paramType;
+ uint16_t paramLength;
};
struct sctpRelChunkDesc{
struct sctpChunkDesc chk;
- u_int32_t serialNumber;
+ uint32_t serialNumber;
};
struct sctpVendorSpecificParam {
struct sctpParamDesc p; /* type must be 0xfffe */
- u_int32_t vendorId; /* vendor ID from RFC 1700 */
- u_int16_t vendorSpecificType;
- u_int16_t vendorSpecificLen;
+ uint32_t vendorId; /* vendor ID from RFC 1700 */
+ uint16_t vendorSpecificType;
+ uint16_t vendorSpecificLen;
};
/* this is used for init ack, too */
struct sctpInitiation{
- u_int32_t initTag; /* tag of mine */
- u_int32_t rcvWindowCredit; /* rwnd */
- u_int16_t NumPreopenStreams; /* OS */
- u_int16_t MaxInboundStreams; /* MIS */
- u_int32_t initialTSN;
+ uint32_t initTag; /* tag of mine */
+ uint32_t rcvWindowCredit; /* rwnd */
+ uint16_t NumPreopenStreams; /* OS */
+ uint16_t MaxInboundStreams; /* MIS */
+ 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 */
- u_int32_t ipAddress;
+ uint32_t ipAddress;
};
struct sctpV6IpAddress{
struct sctpParamDesc p; /* type is set to SCTP_IPV6_PARAM_TYPE, len=22 */
- u_int8_t ipAddress[16];
+ uint8_t ipAddress[16];
};
struct sctpDNSName{
struct sctpParamDesc param;
- u_int8_t name[1];
+ uint8_t name[1];
};
struct sctpCookiePreserve{
struct sctpParamDesc p; /* type is set to SCTP_COOKIE_PRESERVE, len=8 */
- u_int32_t extraTime;
+ uint32_t extraTime;
};
struct sctpTimeStamp{
- u_int32_t ts_sec;
- u_int32_t ts_usec;
+ uint32_t ts_sec;
+ uint32_t ts_usec;
};
/* wire structure of my cookie */
struct cookieMessage{
- u_int32_t TieTag_curTag; /* copied from assoc if present */
- u_int32_t TieTag_hisTag; /* copied from assoc if present */
+ 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 */
- u_int32_t addressWhereISent[4]; /* I make this 4 ints so I get 128bits for future */
+ uint32_t addressWhereISent[4]; /* I make this 4 ints so I get 128bits for future */
int32_t addrtype; /* address type */
- u_int16_t locScope; /* V6 local scope flag */
- u_int16_t siteScope; /* V6 site scope flag */
+ 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.
*/
struct sctpSelectiveAck{
- u_int32_t highestConseqTSN;
- u_int32_t updatedRwnd;
- u_int16_t numberOfdesc;
- u_int16_t numDupTsns;
+ uint32_t highestConseqTSN;
+ uint32_t updatedRwnd;
+ uint16_t numberOfdesc;
+ uint16_t numDupTsns;
};
struct sctpSelectiveFrag{
- u_int16_t fragmentStart;
- u_int16_t fragmentEnd;
+ uint16_t fragmentStart;
+ uint16_t fragmentEnd;
};
*/
struct sctpHBrequest {
- u_int32_t time_value_1;
- u_int32_t time_value_2;
+ uint32_t time_value_1;
+ uint32_t time_value_2;
};
/* here is what I read and respond with to. */
struct sctpParamDesc hb;
struct sctpHBrequest rtt;
int8_t addrFmt[SCTP_ADDRMAX];
- u_int16_t userreq;
+ uint16_t userreq;
};
struct sctpUnifiedAbortHeavy{
struct sctpHeader mh;
struct sctpChunkDesc uh;
- u_int16_t causeCode;
- u_int16_t causeLen;
+ uint16_t causeCode;
+ uint16_t causeLen;
};
/* For the graceful shutdown we must carry
* the tag (in common header) and the highest consequitive acking value
*/
struct sctpShutdown {
- u_int32_t TSN_Seen;
+ uint32_t TSN_Seen;
};
struct sctpUnifiedShutdown{
* that is defined as a operation error.
*/
struct sctpOpErrorCause{
- u_int16_t cause;
- u_int16_t causeLen;
+ uint16_t cause;
+ uint16_t causeLen;
};
struct sctpUnifiedOpError{
struct sctpHeader mh;
struct sctpChunkDesc uh;
struct sctpOpErrorCause c;
- u_int16_t strmNum;
- u_int16_t reserved;
+ uint16_t strmNum;
+ uint16_t reserved;
};
struct staleCookieMsg{
struct sctpHeader mh;
struct sctpChunkDesc uh;
struct sctpOpErrorCause c;
- u_int32_t moretime;
+ uint32_t moretime;
};
/* the following is used in all sends
};
struct sctpDataPart{
- u_int32_t TSN;
- u_int16_t streamId;
- u_int16_t sequence;
- u_int32_t payloadtype;
+ uint32_t TSN;
+ uint16_t streamId;
+ uint16_t sequence;
+ uint32_t payloadtype;
};
struct sctpUnifiedDatagram{
struct sctpECN_echo{
struct sctpChunkDesc uh;
- u_int32_t Lowest_TSN;
+ uint32_t Lowest_TSN;
};
struct sctpCWR{
struct sctpChunkDesc uh;
- u_int32_t TSN_reduced_at;
+ uint32_t TSN_reduced_at;
};
static const struct tok ForCES_channels[] = {
{ 0, NULL }
};
+/* data chunk's payload protocol identifiers */
+
+#define SCTP_PPID_IUA 1
+#define SCTP_PPID_M2UA 2
+#define SCTP_PPID_M3UA 3
+#define SCTP_PPID_SUA 4
+#define SCTP_PPID_M2PA 5
+#define SCTP_PPID_V5UA 6
+#define SCTP_PPID_H248 7
+#define SCTP_PPID_BICC 8
+#define SCTP_PPID_TALI 9
+#define SCTP_PPID_DUA 10
+#define SCTP_PPID_ASAP 11
+#define SCTP_PPID_ENRP 12
+#define SCTP_PPID_H323 13
+#define SCTP_PPID_QIPC 14
+#define SCTP_PPID_SIMCO 15
+#define SCTP_PPID_DDPSC 16
+#define SCTP_PPID_DDPSSC 17
+#define SCTP_PPID_S1AP 18
+#define SCTP_PPID_RUA 19
+#define SCTP_PPID_HNBAP 20
+#define SCTP_PPID_FORCES_HP 21
+#define SCTP_PPID_FORCES_MP 22
+#define SCTP_PPID_FORCES_LP 23
+#define SCTP_PPID_SBC_AP 24
+#define SCTP_PPID_NBAP 25
+/* 26 */
+#define SCTP_PPID_X2AP 27
+
+static const struct tok PayloadProto_idents[] = {
+ { SCTP_PPID_IUA, "ISDN Q.921" },
+ { SCTP_PPID_M2UA, "M2UA" },
+ { SCTP_PPID_M3UA, "M3UA" },
+ { SCTP_PPID_SUA, "SUA" },
+ { SCTP_PPID_M2PA, "M2PA" },
+ { SCTP_PPID_V5UA, "V5.2" },
+ { SCTP_PPID_H248, "H.248" },
+ { SCTP_PPID_BICC, "BICC" },
+ { SCTP_PPID_TALI, "TALI" },
+ { SCTP_PPID_DUA, "DUA" },
+ { SCTP_PPID_ASAP, "ASAP" },
+ { SCTP_PPID_ENRP, "ENRP" },
+ { SCTP_PPID_H323, "H.323" },
+ { SCTP_PPID_QIPC, "Q.IPC" },
+ { SCTP_PPID_SIMCO, "SIMCO" },
+ { SCTP_PPID_DDPSC, "DDPSC" },
+ { SCTP_PPID_DDPSSC, "DDPSSC" },
+ { SCTP_PPID_S1AP, "S1AP" },
+ { SCTP_PPID_RUA, "RUA" },
+ { SCTP_PPID_HNBAP, "HNBAP" },
+ { SCTP_PPID_FORCES_HP, "ForCES HP" },
+ { SCTP_PPID_FORCES_MP, "ForCES MP" },
+ { SCTP_PPID_FORCES_LP, "ForCES LP" },
+ { SCTP_PPID_SBC_AP, "SBc-AP" },
+ { SCTP_PPID_NBAP, "NBAP" },
+ /* 26 */
+ { SCTP_PPID_X2AP, "X2AP" },
+ { 0, NULL }
+};
+
+
static inline int isForCES_port(u_short Port)
{
if (Port == CHAN_HP)
if( (u_long) endPacketPtr > (u_long) ndo->ndo_snapend)
endPacketPtr = (const void *) ndo->ndo_snapend;
- ip = (struct ip *)bp2;
+ ip = (const struct ip *)bp2;
#ifdef INET6
if (IP_V(ip) == 6)
ip6 = (const struct ip6_hdr *)bp2;
#ifdef INET6
if (ip6) {
ND_PRINT((ndo, "%s.%d > %s.%d: sctp",
- ip6addr_string(&ip6->ip6_src),
+ ip6addr_string(ndo, &ip6->ip6_src),
sourcePort,
- ip6addr_string(&ip6->ip6_dst),
+ ip6addr_string(ndo, &ip6->ip6_dst),
destPort));
} else
#endif /*INET6*/
{
ND_PRINT((ndo, "%s.%d > %s.%d: sctp",
- ipaddr_string(&ip->ip_src),
+ ipaddr_string(ndo, &ip->ip_src),
sourcePort,
- ipaddr_string(&ip->ip_dst),
+ ipaddr_string(ndo, &ip->ip_dst),
destPort));
}
- fflush(stdout);
if (isForCES_port(sourcePort)) {
ND_PRINT((ndo, "[%s]", tok2str(ForCES_channels, NULL, sourcePort)));
chunkDescPtr = (const struct sctpChunkDesc *) nextChunk, chunkCount++)
{
- u_int16_t chunkLength;
+ uint16_t chunkLength;
const u_char *chunkEnd;
- u_int16_t align;
+ uint16_t align;
ND_TCHECK(*chunkDescPtr);
chunkLength = EXTRACT_16BITS(&chunkDescPtr->chunkLength);
break;
}
- ND_TCHECK2(*((u_int8_t *)chunkDescPtr), chunkLength);
+ ND_TCHECK2(*((const uint8_t *)chunkDescPtr), chunkLength);
chunkEnd = ((const u_char*)chunkDescPtr + chunkLength);
align=chunkLength % 4;
nextChunk = (const void *) (chunkEnd + align);
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)
{
case SCTP_DATA :
{
const struct sctpDataPart *dataHdrPtr;
-
- ND_PRINT((ndo, "[DATA] "));
+ uint32_t ppid;
+ const u_char *payloadPtr;
+ u_int payload_size;
if ((chunkDescPtr->chunkFlg & SCTP_DATA_UNORDERED)
== SCTP_DATA_UNORDERED)
dataHdrPtr=(const struct sctpDataPart*)(chunkDescPtr+1);
+ 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 0x%x] ", EXTRACT_32BITS(&dataHdrPtr->payloadtype)));
- fflush(stdout);
- if (isforces) {
- const u_char *payloadPtr;
- u_int chunksize = sizeof(struct sctpDataPart)+
- sizeof(struct sctpChunkDesc);
- payloadPtr = (const u_char *) (dataHdrPtr + 1);
- if (EXTRACT_16BITS(&chunkDescPtr->chunkLength) <
- sizeof(struct sctpDataPart)+
- sizeof(struct sctpChunkDesc)+1) {
- /* Less than 1 byte of chunk payload */
- ND_PRINT((ndo, "bogus ForCES chunk length %u]",
- EXTRACT_16BITS(&chunkDescPtr->chunkLength)));
- return;
- }
+ ND_PRINT((ndo, "[PPID %s] ",
+ tok2str(PayloadProto_idents, "0x%x", ppid)));
+
+ if (!isforces) {
+ isforces = (ppid == SCTP_PPID_FORCES_HP) ||
+ (ppid == SCTP_PPID_FORCES_MP) ||
+ (ppid == SCTP_PPID_FORCES_LP);
+ }
+
+ payloadPtr = (const u_char *) (dataHdrPtr + 1);
+ if (EXTRACT_16BITS(&chunkDescPtr->chunkLength) <
+ sizeof(struct sctpDataPart) + sizeof(struct sctpChunkDesc) + 1) {
+ ND_PRINT((ndo, "bogus chunk length %u]", EXTRACT_16BITS(&chunkDescPtr->chunkLength)));
+ return;
+ }
- forces_print(ndo, payloadPtr, EXTRACT_16BITS(&chunkDescPtr->chunkLength)- chunksize);
- } else if (ndo->ndo_vflag >= 2) { /* if verbose output is specified */
+ payload_size = EXTRACT_16BITS(&chunkDescPtr->chunkLength) -
+ (sizeof(struct sctpDataPart) + sizeof(struct sctpChunkDesc));
+
+ if (isforces) {
+ forces_print(ndo, payloadPtr, payload_size);
+ } else if (ndo->ndo_vflag >= 2) { /* if verbose output is specified */
/* at the command line */
- const u_char *payloadPtr;
-
- ND_PRINT((ndo, "[Payload"));
-
- if (!ndo->ndo_suppress_default_print) {
- payloadPtr = (const u_char *) (++dataHdrPtr);
- ND_PRINT((ndo, ":"));
- if (EXTRACT_16BITS(&chunkDescPtr->chunkLength) <
- sizeof(struct sctpDataPart)+
- sizeof(struct sctpChunkDesc)+1) {
- /* Less than 1 byte of chunk payload */
- ND_PRINT((ndo, "bogus chunk length %u]",
- EXTRACT_16BITS(&chunkDescPtr->chunkLength)));
- return;
+ switch (ppid) {
+ case SCTP_PPID_M3UA :
+ m3ua_print(ndo, payloadPtr, payload_size);
+ break;
+ default:
+ ND_PRINT((ndo, "[Payload"));
+ if (!ndo->ndo_suppress_default_print) {
+ ND_PRINT((ndo, ":"));
+ ND_DEFAULTPRINT(payloadPtr, payload_size);
}
- default_print(payloadPtr,
- EXTRACT_16BITS(&chunkDescPtr->chunkLength) -
- (sizeof(struct sctpDataPart)+
- sizeof(struct sctpChunkDesc)));
- } else
ND_PRINT((ndo, "]"));
- }
+ break;
+ }
+ }
break;
}
case SCTP_INITIATION :
{
const struct sctpInitiation *init;
- ND_PRINT((ndo, "[INIT] "));
init=(const struct sctpInitiation*)(chunkDescPtr+1);
ND_PRINT((ndo, "[init tag: %u] ", EXTRACT_32BITS(&init->initTag)));
ND_PRINT((ndo, "[rwnd: %u] ", EXTRACT_32BITS(&init->rcvWindowCredit)));
{
const struct sctpInitiation *init;
- ND_PRINT((ndo, "[INIT ACK] "));
init=(const struct sctpInitiation*)(chunkDescPtr+1);
ND_PRINT((ndo, "[init tag: %u] ", EXTRACT_32BITS(&init->initTag)));
ND_PRINT((ndo, "[rwnd: %u] ", EXTRACT_32BITS(&init->rcvWindowCredit)));
int fragNo, tsnNo;
const u_char *dupTSN;
- ND_PRINT((ndo, "[SACK] "));
sack=(const struct sctpSelectiveAck*)(chunkDescPtr+1);
ND_PRINT((ndo, "[cum ack %u] ", EXTRACT_32BITS(&sack->highestConseqTSN)));
ND_PRINT((ndo, "[a_rwnd %u] ", EXTRACT_32BITS(&sack->updatedRwnd)));
break;
}
- case SCTP_HEARTBEAT_REQUEST :
- ND_PRINT((ndo, "[HB REQ] "));
- break;
- case SCTP_HEARTBEAT_ACK :
- ND_PRINT((ndo, "[HB ACK] "));
- break;
- case SCTP_ABORT_ASSOCIATION :
- ND_PRINT((ndo, "[ABORT] "));
- break;
- case SCTP_SHUTDOWN :
- ND_PRINT((ndo, "[SHUTDOWN] "));
- break;
- case SCTP_SHUTDOWN_ACK :
- ND_PRINT((ndo, "[SHUTDOWN ACK] "));
- break;
- case SCTP_OPERATION_ERR :
- ND_PRINT((ndo, "[OP ERR] "));
- break;
- case SCTP_COOKIE_ECHO :
- ND_PRINT((ndo, "[COOKIE ECHO] "));
- break;
- case SCTP_COOKIE_ACK :
- ND_PRINT((ndo, "[COOKIE ACK] "));
- break;
- case SCTP_ECN_ECHO :
- ND_PRINT((ndo, "[ECN ECHO] "));
- break;
- case SCTP_ECN_CWR :
- ND_PRINT((ndo, "[ECN CWR] "));
- break;
- case SCTP_SHUTDOWN_COMPLETE :
- ND_PRINT((ndo, "[SHUTDOWN COMPLETE] "));
- break;
- case SCTP_FORWARD_CUM_TSN :
- ND_PRINT((ndo, "[FOR CUM TSN] "));
- break;
- case SCTP_RELIABLE_CNTL :
- ND_PRINT((ndo, "[REL CTRL] "));
- break;
- case SCTP_RELIABLE_CNTL_ACK :
- ND_PRINT((ndo, "[REL CTRL ACK] "));
- break;
- default :
- ND_PRINT((ndo, "[Unknown chunk type: 0x%x]", chunkDescPtr->chunkID));
- return;
}
if (ndo->ndo_vflag < 2)
projects / tcpdump / blobdiff