896 lines
24 KiB
C
896 lines
24 KiB
C
/*
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* Copyright (c) 1992, 1993, 1994, 1995, 1996, 1997
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution, and (3) all advertising materials mentioning
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* features or use of this software display the following acknowledgement:
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* ``This product includes software developed by the University of California,
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* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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* the University nor the names of its contributors may be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef lint
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static const char rcsid[] _U_ =
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"@(#) $Header: /tcpdump/master/tcpdump/print-decnet.c,v 1.38.2.1 2005/05/06 02:16:53 guy Exp $ (LBL)";
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tcpdump-stdinc.h>
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struct mbuf;
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struct rtentry;
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#ifdef HAVE_NETDNET_DNETDB_H
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#include <netdnet/dnetdb.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "decnet.h"
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#include "extract.h"
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#include "interface.h"
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#include "addrtoname.h"
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/* Forwards */
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static int print_decnet_ctlmsg(const union routehdr *, u_int, u_int);
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static void print_t_info(int);
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static int print_l1_routes(const char *, u_int);
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static int print_l2_routes(const char *, u_int);
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static void print_i_info(int);
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static int print_elist(const char *, u_int);
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static int print_nsp(const u_char *, u_int);
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static void print_reason(int);
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#ifdef PRINT_NSPDATA
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static void pdata(u_char *, int);
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#endif
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#ifndef HAVE_NETDNET_DNETDB_H_DNET_HTOA
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extern char *dnet_htoa(struct dn_naddr *);
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#endif
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void
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decnet_print(register const u_char *ap, register u_int length,
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register u_int caplen)
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{
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register const union routehdr *rhp;
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register int mflags;
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int dst, src, hops;
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u_int nsplen, pktlen;
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const u_char *nspp;
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if (length < sizeof(struct shorthdr)) {
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(void)printf("[|decnet]");
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return;
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}
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TCHECK2(*ap, sizeof(short));
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pktlen = EXTRACT_LE_16BITS(ap);
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if (pktlen < sizeof(struct shorthdr)) {
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(void)printf("[|decnet]");
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return;
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}
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if (pktlen > length) {
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(void)printf("[|decnet]");
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return;
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}
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length = pktlen;
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rhp = (const union routehdr *)&(ap[sizeof(short)]);
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TCHECK(rhp->rh_short.sh_flags);
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mflags = EXTRACT_LE_8BITS(rhp->rh_short.sh_flags);
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if (mflags & RMF_PAD) {
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/* pad bytes of some sort in front of message */
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u_int padlen = mflags & RMF_PADMASK;
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if (vflag)
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(void) printf("[pad:%d] ", padlen);
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if (length < padlen + 2) {
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(void)printf("[|decnet]");
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return;
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}
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TCHECK2(ap[sizeof(short)], padlen);
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ap += padlen;
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length -= padlen;
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caplen -= padlen;
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rhp = (const union routehdr *)&(ap[sizeof(short)]);
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mflags = EXTRACT_LE_8BITS(rhp->rh_short.sh_flags);
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}
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if (mflags & RMF_FVER) {
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(void) printf("future-version-decnet");
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default_print(ap, min(length, caplen));
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return;
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}
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/* is it a control message? */
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if (mflags & RMF_CTLMSG) {
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if (!print_decnet_ctlmsg(rhp, length, caplen))
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goto trunc;
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return;
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}
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switch (mflags & RMF_MASK) {
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case RMF_LONG:
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if (length < sizeof(struct longhdr)) {
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(void)printf("[|decnet]");
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return;
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}
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TCHECK(rhp->rh_long);
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dst =
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EXTRACT_LE_16BITS(rhp->rh_long.lg_dst.dne_remote.dne_nodeaddr);
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src =
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EXTRACT_LE_16BITS(rhp->rh_long.lg_src.dne_remote.dne_nodeaddr);
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hops = EXTRACT_LE_8BITS(rhp->rh_long.lg_visits);
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nspp = &(ap[sizeof(short) + sizeof(struct longhdr)]);
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nsplen = length - sizeof(struct longhdr);
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break;
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case RMF_SHORT:
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TCHECK(rhp->rh_short);
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dst = EXTRACT_LE_16BITS(rhp->rh_short.sh_dst);
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src = EXTRACT_LE_16BITS(rhp->rh_short.sh_src);
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hops = (EXTRACT_LE_8BITS(rhp->rh_short.sh_visits) & VIS_MASK)+1;
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nspp = &(ap[sizeof(short) + sizeof(struct shorthdr)]);
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nsplen = length - sizeof(struct shorthdr);
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break;
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default:
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(void) printf("unknown message flags under mask");
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default_print((u_char *)ap, min(length, caplen));
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return;
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}
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(void)printf("%s > %s %d ",
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dnaddr_string(src), dnaddr_string(dst), pktlen);
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if (vflag) {
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if (mflags & RMF_RQR)
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(void)printf("RQR ");
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if (mflags & RMF_RTS)
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(void)printf("RTS ");
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if (mflags & RMF_IE)
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(void)printf("IE ");
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(void)printf("%d hops ", hops);
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}
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if (!print_nsp(nspp, nsplen))
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goto trunc;
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return;
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trunc:
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(void)printf("[|decnet]");
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return;
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}
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static int
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print_decnet_ctlmsg(register const union routehdr *rhp, u_int length,
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u_int caplen)
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{
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int mflags = EXTRACT_LE_8BITS(rhp->rh_short.sh_flags);
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register union controlmsg *cmp = (union controlmsg *)rhp;
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int src, dst, info, blksize, eco, ueco, hello, other, vers;
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etheraddr srcea, rtea;
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int priority;
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char *rhpx = (char *)rhp;
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int ret;
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switch (mflags & RMF_CTLMASK) {
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case RMF_INIT:
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(void)printf("init ");
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if (length < sizeof(struct initmsg))
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goto trunc;
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TCHECK(cmp->cm_init);
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src = EXTRACT_LE_16BITS(cmp->cm_init.in_src);
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info = EXTRACT_LE_8BITS(cmp->cm_init.in_info);
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blksize = EXTRACT_LE_16BITS(cmp->cm_init.in_blksize);
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vers = EXTRACT_LE_8BITS(cmp->cm_init.in_vers);
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eco = EXTRACT_LE_8BITS(cmp->cm_init.in_eco);
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ueco = EXTRACT_LE_8BITS(cmp->cm_init.in_ueco);
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hello = EXTRACT_LE_16BITS(cmp->cm_init.in_hello);
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print_t_info(info);
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(void)printf(
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"src %sblksize %d vers %d eco %d ueco %d hello %d",
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dnaddr_string(src), blksize, vers, eco, ueco,
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hello);
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ret = 1;
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break;
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case RMF_VER:
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(void)printf("verification ");
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if (length < sizeof(struct verifmsg))
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goto trunc;
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TCHECK(cmp->cm_ver);
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src = EXTRACT_LE_16BITS(cmp->cm_ver.ve_src);
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other = EXTRACT_LE_8BITS(cmp->cm_ver.ve_fcnval);
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(void)printf("src %s fcnval %o", dnaddr_string(src), other);
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ret = 1;
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break;
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case RMF_TEST:
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(void)printf("test ");
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if (length < sizeof(struct testmsg))
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goto trunc;
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TCHECK(cmp->cm_test);
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src = EXTRACT_LE_16BITS(cmp->cm_test.te_src);
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other = EXTRACT_LE_8BITS(cmp->cm_test.te_data);
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(void)printf("src %s data %o", dnaddr_string(src), other);
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ret = 1;
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break;
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case RMF_L1ROUT:
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(void)printf("lev-1-routing ");
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if (length < sizeof(struct l1rout))
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goto trunc;
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TCHECK(cmp->cm_l1rou);
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src = EXTRACT_LE_16BITS(cmp->cm_l1rou.r1_src);
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(void)printf("src %s ", dnaddr_string(src));
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ret = print_l1_routes(&(rhpx[sizeof(struct l1rout)]),
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length - sizeof(struct l1rout));
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break;
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case RMF_L2ROUT:
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(void)printf("lev-2-routing ");
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if (length < sizeof(struct l2rout))
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goto trunc;
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TCHECK(cmp->cm_l2rout);
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src = EXTRACT_LE_16BITS(cmp->cm_l2rout.r2_src);
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(void)printf("src %s ", dnaddr_string(src));
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ret = print_l2_routes(&(rhpx[sizeof(struct l2rout)]),
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length - sizeof(struct l2rout));
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break;
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case RMF_RHELLO:
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(void)printf("router-hello ");
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if (length < sizeof(struct rhellomsg))
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goto trunc;
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TCHECK(cmp->cm_rhello);
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vers = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_vers);
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eco = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_eco);
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ueco = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_ueco);
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memcpy((char *)&srcea, (char *)&(cmp->cm_rhello.rh_src),
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sizeof(srcea));
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src = EXTRACT_LE_16BITS(srcea.dne_remote.dne_nodeaddr);
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info = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_info);
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blksize = EXTRACT_LE_16BITS(cmp->cm_rhello.rh_blksize);
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priority = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_priority);
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hello = EXTRACT_LE_16BITS(cmp->cm_rhello.rh_hello);
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print_i_info(info);
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(void)printf(
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"vers %d eco %d ueco %d src %s blksize %d pri %d hello %d",
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vers, eco, ueco, dnaddr_string(src),
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blksize, priority, hello);
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ret = print_elist(&(rhpx[sizeof(struct rhellomsg)]),
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length - sizeof(struct rhellomsg));
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break;
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case RMF_EHELLO:
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(void)printf("endnode-hello ");
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if (length < sizeof(struct ehellomsg))
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goto trunc;
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TCHECK(cmp->cm_ehello);
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vers = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_vers);
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eco = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_eco);
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ueco = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_ueco);
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memcpy((char *)&srcea, (char *)&(cmp->cm_ehello.eh_src),
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sizeof(srcea));
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src = EXTRACT_LE_16BITS(srcea.dne_remote.dne_nodeaddr);
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info = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_info);
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blksize = EXTRACT_LE_16BITS(cmp->cm_ehello.eh_blksize);
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/*seed*/
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memcpy((char *)&rtea, (char *)&(cmp->cm_ehello.eh_router),
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sizeof(rtea));
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dst = EXTRACT_LE_16BITS(rtea.dne_remote.dne_nodeaddr);
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hello = EXTRACT_LE_16BITS(cmp->cm_ehello.eh_hello);
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other = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_data);
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print_i_info(info);
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(void)printf(
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"vers %d eco %d ueco %d src %s blksize %d rtr %s hello %d data %o",
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vers, eco, ueco, dnaddr_string(src),
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blksize, dnaddr_string(dst), hello, other);
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ret = 1;
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break;
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default:
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(void)printf("unknown control message");
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default_print((u_char *)rhp, min(length, caplen));
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ret = 1;
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break;
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}
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return (ret);
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trunc:
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return (0);
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}
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static void
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print_t_info(int info)
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{
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int ntype = info & 3;
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switch (ntype) {
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case 0: (void)printf("reserved-ntype? "); break;
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case TI_L2ROUT: (void)printf("l2rout "); break;
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case TI_L1ROUT: (void)printf("l1rout "); break;
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case TI_ENDNODE: (void)printf("endnode "); break;
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}
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if (info & TI_VERIF)
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(void)printf("verif ");
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if (info & TI_BLOCK)
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(void)printf("blo ");
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}
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static int
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print_l1_routes(const char *rp, u_int len)
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{
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int count;
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int id;
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int info;
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/* The last short is a checksum */
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while (len > (3 * sizeof(short))) {
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TCHECK2(*rp, 3 * sizeof(short));
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count = EXTRACT_LE_16BITS(rp);
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if (count > 1024)
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return (1); /* seems to be bogus from here on */
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rp += sizeof(short);
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len -= sizeof(short);
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id = EXTRACT_LE_16BITS(rp);
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rp += sizeof(short);
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len -= sizeof(short);
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info = EXTRACT_LE_16BITS(rp);
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rp += sizeof(short);
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len -= sizeof(short);
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(void)printf("{ids %d-%d cost %d hops %d} ", id, id + count,
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RI_COST(info), RI_HOPS(info));
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}
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return (1);
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trunc:
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return (0);
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}
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static int
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print_l2_routes(const char *rp, u_int len)
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{
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int count;
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int area;
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int info;
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/* The last short is a checksum */
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while (len > (3 * sizeof(short))) {
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TCHECK2(*rp, 3 * sizeof(short));
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count = EXTRACT_LE_16BITS(rp);
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if (count > 1024)
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return (1); /* seems to be bogus from here on */
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rp += sizeof(short);
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len -= sizeof(short);
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area = EXTRACT_LE_16BITS(rp);
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rp += sizeof(short);
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len -= sizeof(short);
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info = EXTRACT_LE_16BITS(rp);
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rp += sizeof(short);
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len -= sizeof(short);
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(void)printf("{areas %d-%d cost %d hops %d} ", area, area + count,
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RI_COST(info), RI_HOPS(info));
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}
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return (1);
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trunc:
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return (0);
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}
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static void
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print_i_info(int info)
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{
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int ntype = info & II_TYPEMASK;
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switch (ntype) {
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case 0: (void)printf("reserved-ntype? "); break;
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case II_L2ROUT: (void)printf("l2rout "); break;
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case II_L1ROUT: (void)printf("l1rout "); break;
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case II_ENDNODE: (void)printf("endnode "); break;
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}
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if (info & II_VERIF)
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(void)printf("verif ");
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if (info & II_NOMCAST)
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(void)printf("nomcast ");
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if (info & II_BLOCK)
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(void)printf("blo ");
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}
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static int
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print_elist(const char *elp _U_, u_int len _U_)
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{
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/* Not enough examples available for me to debug this */
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return (1);
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}
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static int
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print_nsp(const u_char *nspp, u_int nsplen)
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{
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const struct nsphdr *nsphp = (struct nsphdr *)nspp;
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int dst, src, flags;
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if (nsplen < sizeof(struct nsphdr))
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goto trunc;
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TCHECK(*nsphp);
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flags = EXTRACT_LE_8BITS(nsphp->nh_flags);
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dst = EXTRACT_LE_16BITS(nsphp->nh_dst);
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src = EXTRACT_LE_16BITS(nsphp->nh_src);
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switch (flags & NSP_TYPEMASK) {
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case MFT_DATA:
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switch (flags & NSP_SUBMASK) {
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case MFS_BOM:
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case MFS_MOM:
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case MFS_EOM:
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case MFS_BOM+MFS_EOM:
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printf("data %d>%d ", src, dst);
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{
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struct seghdr *shp = (struct seghdr *)nspp;
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int ack;
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#ifdef PRINT_NSPDATA
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u_char *dp;
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#endif
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u_int data_off = sizeof(struct minseghdr);
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if (nsplen < data_off)
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goto trunc;
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TCHECK(shp->sh_seq[0]);
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ack = EXTRACT_LE_16BITS(shp->sh_seq[0]);
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if (ack & SGQ_ACK) { /* acknum field */
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if ((ack & SGQ_NAK) == SGQ_NAK)
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(void)printf("nak %d ", ack & SGQ_MASK);
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else
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(void)printf("ack %d ", ack & SGQ_MASK);
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data_off += sizeof(short);
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if (nsplen < data_off)
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goto trunc;
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TCHECK(shp->sh_seq[1]);
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ack = EXTRACT_LE_16BITS(shp->sh_seq[1]);
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if (ack & SGQ_OACK) { /* ackoth field */
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if ((ack & SGQ_ONAK) == SGQ_ONAK)
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(void)printf("onak %d ", ack & SGQ_MASK);
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else
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(void)printf("oack %d ", ack & SGQ_MASK);
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data_off += sizeof(short);
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if (nsplen < data_off)
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goto trunc;
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TCHECK(shp->sh_seq[2]);
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ack = EXTRACT_LE_16BITS(shp->sh_seq[2]);
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}
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}
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(void)printf("seg %d ", ack & SGQ_MASK);
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#ifdef PRINT_NSPDATA
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if (nsplen > data_off) {
|
|
dp = &(nspp[data_off]);
|
|
TCHECK2(*dp, nsplen - data_off);
|
|
pdata(dp, nsplen - data_off);
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
case MFS_ILS+MFS_INT:
|
|
printf("intr ");
|
|
{
|
|
struct seghdr *shp = (struct seghdr *)nspp;
|
|
int ack;
|
|
#ifdef PRINT_NSPDATA
|
|
u_char *dp;
|
|
#endif
|
|
u_int data_off = sizeof(struct minseghdr);
|
|
|
|
if (nsplen < data_off)
|
|
goto trunc;
|
|
TCHECK(shp->sh_seq[0]);
|
|
ack = EXTRACT_LE_16BITS(shp->sh_seq[0]);
|
|
if (ack & SGQ_ACK) { /* acknum field */
|
|
if ((ack & SGQ_NAK) == SGQ_NAK)
|
|
(void)printf("nak %d ", ack & SGQ_MASK);
|
|
else
|
|
(void)printf("ack %d ", ack & SGQ_MASK);
|
|
data_off += sizeof(short);
|
|
if (nsplen < data_off)
|
|
goto trunc;
|
|
TCHECK(shp->sh_seq[1]);
|
|
ack = EXTRACT_LE_16BITS(shp->sh_seq[1]);
|
|
if (ack & SGQ_OACK) { /* ackdat field */
|
|
if ((ack & SGQ_ONAK) == SGQ_ONAK)
|
|
(void)printf("nakdat %d ", ack & SGQ_MASK);
|
|
else
|
|
(void)printf("ackdat %d ", ack & SGQ_MASK);
|
|
data_off += sizeof(short);
|
|
if (nsplen < data_off)
|
|
goto trunc;
|
|
TCHECK(shp->sh_seq[2]);
|
|
ack = EXTRACT_LE_16BITS(shp->sh_seq[2]);
|
|
}
|
|
}
|
|
(void)printf("seg %d ", ack & SGQ_MASK);
|
|
#ifdef PRINT_NSPDATA
|
|
if (nsplen > data_off) {
|
|
dp = &(nspp[data_off]);
|
|
TCHECK2(*dp, nsplen - data_off);
|
|
pdata(dp, nsplen - data_off);
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
case MFS_ILS:
|
|
(void)printf("link-service %d>%d ", src, dst);
|
|
{
|
|
struct seghdr *shp = (struct seghdr *)nspp;
|
|
struct lsmsg *lsmp =
|
|
(struct lsmsg *)&(nspp[sizeof(struct seghdr)]);
|
|
int ack;
|
|
int lsflags, fcval;
|
|
|
|
if (nsplen < sizeof(struct seghdr) + sizeof(struct lsmsg))
|
|
goto trunc;
|
|
TCHECK(shp->sh_seq[0]);
|
|
ack = EXTRACT_LE_16BITS(shp->sh_seq[0]);
|
|
if (ack & SGQ_ACK) { /* acknum field */
|
|
if ((ack & SGQ_NAK) == SGQ_NAK)
|
|
(void)printf("nak %d ", ack & SGQ_MASK);
|
|
else
|
|
(void)printf("ack %d ", ack & SGQ_MASK);
|
|
TCHECK(shp->sh_seq[1]);
|
|
ack = EXTRACT_LE_16BITS(shp->sh_seq[1]);
|
|
if (ack & SGQ_OACK) { /* ackdat field */
|
|
if ((ack & SGQ_ONAK) == SGQ_ONAK)
|
|
(void)printf("nakdat %d ", ack & SGQ_MASK);
|
|
else
|
|
(void)printf("ackdat %d ", ack & SGQ_MASK);
|
|
TCHECK(shp->sh_seq[2]);
|
|
ack = EXTRACT_LE_16BITS(shp->sh_seq[2]);
|
|
}
|
|
}
|
|
(void)printf("seg %d ", ack & SGQ_MASK);
|
|
TCHECK(*lsmp);
|
|
lsflags = EXTRACT_LE_8BITS(lsmp->ls_lsflags);
|
|
fcval = EXTRACT_LE_8BITS(lsmp->ls_fcval);
|
|
switch (lsflags & LSI_MASK) {
|
|
case LSI_DATA:
|
|
(void)printf("dat seg count %d ", fcval);
|
|
switch (lsflags & LSM_MASK) {
|
|
case LSM_NOCHANGE:
|
|
break;
|
|
case LSM_DONOTSEND:
|
|
(void)printf("donotsend-data ");
|
|
break;
|
|
case LSM_SEND:
|
|
(void)printf("send-data ");
|
|
break;
|
|
default:
|
|
(void)printf("reserved-fcmod? %x", lsflags);
|
|
break;
|
|
}
|
|
break;
|
|
case LSI_INTR:
|
|
(void)printf("intr req count %d ", fcval);
|
|
break;
|
|
default:
|
|
(void)printf("reserved-fcval-int? %x", lsflags);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
(void)printf("reserved-subtype? %x %d > %d", flags, src, dst);
|
|
break;
|
|
}
|
|
break;
|
|
case MFT_ACK:
|
|
switch (flags & NSP_SUBMASK) {
|
|
case MFS_DACK:
|
|
(void)printf("data-ack %d>%d ", src, dst);
|
|
{
|
|
struct ackmsg *amp = (struct ackmsg *)nspp;
|
|
int ack;
|
|
|
|
if (nsplen < sizeof(struct ackmsg))
|
|
goto trunc;
|
|
TCHECK(*amp);
|
|
ack = EXTRACT_LE_16BITS(amp->ak_acknum[0]);
|
|
if (ack & SGQ_ACK) { /* acknum field */
|
|
if ((ack & SGQ_NAK) == SGQ_NAK)
|
|
(void)printf("nak %d ", ack & SGQ_MASK);
|
|
else
|
|
(void)printf("ack %d ", ack & SGQ_MASK);
|
|
ack = EXTRACT_LE_16BITS(amp->ak_acknum[1]);
|
|
if (ack & SGQ_OACK) { /* ackoth field */
|
|
if ((ack & SGQ_ONAK) == SGQ_ONAK)
|
|
(void)printf("onak %d ", ack & SGQ_MASK);
|
|
else
|
|
(void)printf("oack %d ", ack & SGQ_MASK);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case MFS_IACK:
|
|
(void)printf("ils-ack %d>%d ", src, dst);
|
|
{
|
|
struct ackmsg *amp = (struct ackmsg *)nspp;
|
|
int ack;
|
|
|
|
if (nsplen < sizeof(struct ackmsg))
|
|
goto trunc;
|
|
TCHECK(*amp);
|
|
ack = EXTRACT_LE_16BITS(amp->ak_acknum[0]);
|
|
if (ack & SGQ_ACK) { /* acknum field */
|
|
if ((ack & SGQ_NAK) == SGQ_NAK)
|
|
(void)printf("nak %d ", ack & SGQ_MASK);
|
|
else
|
|
(void)printf("ack %d ", ack & SGQ_MASK);
|
|
TCHECK(amp->ak_acknum[1]);
|
|
ack = EXTRACT_LE_16BITS(amp->ak_acknum[1]);
|
|
if (ack & SGQ_OACK) { /* ackdat field */
|
|
if ((ack & SGQ_ONAK) == SGQ_ONAK)
|
|
(void)printf("nakdat %d ", ack & SGQ_MASK);
|
|
else
|
|
(void)printf("ackdat %d ", ack & SGQ_MASK);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case MFS_CACK:
|
|
(void)printf("conn-ack %d", dst);
|
|
break;
|
|
default:
|
|
(void)printf("reserved-acktype? %x %d > %d", flags, src, dst);
|
|
break;
|
|
}
|
|
break;
|
|
case MFT_CTL:
|
|
switch (flags & NSP_SUBMASK) {
|
|
case MFS_CI:
|
|
case MFS_RCI:
|
|
if ((flags & NSP_SUBMASK) == MFS_CI)
|
|
(void)printf("conn-initiate ");
|
|
else
|
|
(void)printf("retrans-conn-initiate ");
|
|
(void)printf("%d>%d ", src, dst);
|
|
{
|
|
struct cimsg *cimp = (struct cimsg *)nspp;
|
|
int services, info, segsize;
|
|
#ifdef PRINT_NSPDATA
|
|
u_char *dp;
|
|
#endif
|
|
|
|
if (nsplen < sizeof(struct cimsg))
|
|
goto trunc;
|
|
TCHECK(*cimp);
|
|
services = EXTRACT_LE_8BITS(cimp->ci_services);
|
|
info = EXTRACT_LE_8BITS(cimp->ci_info);
|
|
segsize = EXTRACT_LE_16BITS(cimp->ci_segsize);
|
|
|
|
switch (services & COS_MASK) {
|
|
case COS_NONE:
|
|
break;
|
|
case COS_SEGMENT:
|
|
(void)printf("seg ");
|
|
break;
|
|
case COS_MESSAGE:
|
|
(void)printf("msg ");
|
|
break;
|
|
case COS_CRYPTSER:
|
|
(void)printf("crypt ");
|
|
break;
|
|
}
|
|
switch (info & COI_MASK) {
|
|
case COI_32:
|
|
(void)printf("ver 3.2 ");
|
|
break;
|
|
case COI_31:
|
|
(void)printf("ver 3.1 ");
|
|
break;
|
|
case COI_40:
|
|
(void)printf("ver 4.0 ");
|
|
break;
|
|
case COI_41:
|
|
(void)printf("ver 4.1 ");
|
|
break;
|
|
}
|
|
(void)printf("segsize %d ", segsize);
|
|
#ifdef PRINT_NSPDATA
|
|
if (nsplen > sizeof(struct cimsg)) {
|
|
dp = &(nspp[sizeof(struct cimsg)]);
|
|
TCHECK2(*dp, nsplen - sizeof(struct cimsg));
|
|
pdata(dp, nsplen - sizeof(struct cimsg));
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
case MFS_CC:
|
|
(void)printf("conn-confirm %d>%d ", src, dst);
|
|
{
|
|
struct ccmsg *ccmp = (struct ccmsg *)nspp;
|
|
int services, info;
|
|
u_int segsize, optlen;
|
|
#ifdef PRINT_NSPDATA
|
|
u_char *dp;
|
|
#endif
|
|
|
|
if (nsplen < sizeof(struct ccmsg))
|
|
goto trunc;
|
|
TCHECK(*ccmp);
|
|
services = EXTRACT_LE_8BITS(ccmp->cc_services);
|
|
info = EXTRACT_LE_8BITS(ccmp->cc_info);
|
|
segsize = EXTRACT_LE_16BITS(ccmp->cc_segsize);
|
|
optlen = EXTRACT_LE_8BITS(ccmp->cc_optlen);
|
|
|
|
switch (services & COS_MASK) {
|
|
case COS_NONE:
|
|
break;
|
|
case COS_SEGMENT:
|
|
(void)printf("seg ");
|
|
break;
|
|
case COS_MESSAGE:
|
|
(void)printf("msg ");
|
|
break;
|
|
case COS_CRYPTSER:
|
|
(void)printf("crypt ");
|
|
break;
|
|
}
|
|
switch (info & COI_MASK) {
|
|
case COI_32:
|
|
(void)printf("ver 3.2 ");
|
|
break;
|
|
case COI_31:
|
|
(void)printf("ver 3.1 ");
|
|
break;
|
|
case COI_40:
|
|
(void)printf("ver 4.0 ");
|
|
break;
|
|
case COI_41:
|
|
(void)printf("ver 4.1 ");
|
|
break;
|
|
}
|
|
(void)printf("segsize %d ", segsize);
|
|
if (optlen) {
|
|
(void)printf("optlen %d ", optlen);
|
|
#ifdef PRINT_NSPDATA
|
|
if (optlen > nsplen - sizeof(struct ccmsg))
|
|
goto trunc;
|
|
dp = &(nspp[sizeof(struct ccmsg)]);
|
|
TCHECK2(*dp, optlen);
|
|
pdata(dp, optlen);
|
|
#endif
|
|
}
|
|
}
|
|
break;
|
|
case MFS_DI:
|
|
(void)printf("disconn-initiate %d>%d ", src, dst);
|
|
{
|
|
struct dimsg *dimp = (struct dimsg *)nspp;
|
|
int reason;
|
|
u_int optlen;
|
|
#ifdef PRINT_NSPDATA
|
|
u_char *dp;
|
|
#endif
|
|
|
|
if (nsplen < sizeof(struct dimsg))
|
|
goto trunc;
|
|
TCHECK(*dimp);
|
|
reason = EXTRACT_LE_16BITS(dimp->di_reason);
|
|
optlen = EXTRACT_LE_8BITS(dimp->di_optlen);
|
|
|
|
print_reason(reason);
|
|
if (optlen) {
|
|
(void)printf("optlen %d ", optlen);
|
|
#ifdef PRINT_NSPDATA
|
|
if (optlen > nsplen - sizeof(struct dimsg))
|
|
goto trunc;
|
|
dp = &(nspp[sizeof(struct dimsg)]);
|
|
TCHECK2(*dp, optlen);
|
|
pdata(dp, optlen);
|
|
#endif
|
|
}
|
|
}
|
|
break;
|
|
case MFS_DC:
|
|
(void)printf("disconn-confirm %d>%d ", src, dst);
|
|
{
|
|
struct dcmsg *dcmp = (struct dcmsg *)nspp;
|
|
int reason;
|
|
|
|
TCHECK(*dcmp);
|
|
reason = EXTRACT_LE_16BITS(dcmp->dc_reason);
|
|
|
|
print_reason(reason);
|
|
}
|
|
break;
|
|
default:
|
|
(void)printf("reserved-ctltype? %x %d > %d", flags, src, dst);
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
(void)printf("reserved-type? %x %d > %d", flags, src, dst);
|
|
break;
|
|
}
|
|
return (1);
|
|
|
|
trunc:
|
|
return (0);
|
|
}
|
|
|
|
static struct tok reason2str[] = {
|
|
{ UC_OBJREJECT, "object rejected connect" },
|
|
{ UC_RESOURCES, "insufficient resources" },
|
|
{ UC_NOSUCHNODE, "unrecognized node name" },
|
|
{ DI_SHUT, "node is shutting down" },
|
|
{ UC_NOSUCHOBJ, "unrecognized object" },
|
|
{ UC_INVOBJFORMAT, "invalid object name format" },
|
|
{ UC_OBJTOOBUSY, "object too busy" },
|
|
{ DI_PROTOCOL, "protocol error discovered" },
|
|
{ DI_TPA, "third party abort" },
|
|
{ UC_USERABORT, "user abort" },
|
|
{ UC_INVNODEFORMAT, "invalid node name format" },
|
|
{ UC_LOCALSHUT, "local node shutting down" },
|
|
{ DI_LOCALRESRC, "insufficient local resources" },
|
|
{ DI_REMUSERRESRC, "insufficient remote user resources" },
|
|
{ UC_ACCESSREJECT, "invalid access control information" },
|
|
{ DI_BADACCNT, "bad ACCOUNT information" },
|
|
{ UC_NORESPONSE, "no response from object" },
|
|
{ UC_UNREACHABLE, "node unreachable" },
|
|
{ DC_NOLINK, "no link terminate" },
|
|
{ DC_COMPLETE, "disconnect complete" },
|
|
{ DI_BADIMAGE, "bad image data in connect" },
|
|
{ DI_SERVMISMATCH, "cryptographic service mismatch" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static void
|
|
print_reason(register int reason)
|
|
{
|
|
printf("%s ", tok2str(reason2str, "reason-%d", reason));
|
|
}
|
|
|
|
const char *
|
|
dnnum_string(u_short dnaddr)
|
|
{
|
|
char *str;
|
|
size_t siz;
|
|
int area = (u_short)(dnaddr & AREAMASK) >> AREASHIFT;
|
|
int node = dnaddr & NODEMASK;
|
|
|
|
str = (char *)malloc(siz = sizeof("00.0000"));
|
|
if (str == NULL)
|
|
error("dnnum_string: malloc");
|
|
snprintf(str, siz, "%d.%d", area, node);
|
|
return(str);
|
|
}
|
|
|
|
const char *
|
|
dnname_string(u_short dnaddr)
|
|
{
|
|
#ifdef HAVE_DNET_HTOA
|
|
struct dn_naddr dna;
|
|
|
|
dna.a_len = sizeof(short);
|
|
memcpy((char *)dna.a_addr, (char *)&dnaddr, sizeof(short));
|
|
return (strdup(dnet_htoa(&dna)));
|
|
#else
|
|
return(dnnum_string(dnaddr)); /* punt */
|
|
#endif
|
|
}
|
|
|
|
#ifdef PRINT_NSPDATA
|
|
static void
|
|
pdata(u_char *dp, u_int maxlen)
|
|
{
|
|
char c;
|
|
u_int x = maxlen;
|
|
|
|
while (x-- > 0) {
|
|
c = *dp++;
|
|
safeputchar(c);
|
|
}
|
|
}
|
|
#endif
|