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-rw-r--r--freebsd/contrib/tcpdump/print-decnet.c897
1 files changed, 897 insertions, 0 deletions
diff --git a/freebsd/contrib/tcpdump/print-decnet.c b/freebsd/contrib/tcpdump/print-decnet.c
new file mode 100644
index 00000000..f453381c
--- /dev/null
+++ b/freebsd/contrib/tcpdump/print-decnet.c
@@ -0,0 +1,897 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/*
+ * Copyright (c) 1992, 1993, 1994, 1995, 1996, 1997
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-decnet.c,v 1.39 2005-05-06 02:16:26 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+struct mbuf;
+struct rtentry;
+
+#ifdef HAVE_NETDNET_DNETDB_H
+#include <netdnet/dnetdb.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "decnet.h"
+#include "extract.h"
+#include "interface.h"
+#include "addrtoname.h"
+
+/* Forwards */
+static int print_decnet_ctlmsg(const union routehdr *, u_int, u_int);
+static void print_t_info(int);
+static int print_l1_routes(const char *, u_int);
+static int print_l2_routes(const char *, u_int);
+static void print_i_info(int);
+static int print_elist(const char *, u_int);
+static int print_nsp(const u_char *, u_int);
+static void print_reason(int);
+#ifdef PRINT_NSPDATA
+static void pdata(u_char *, int);
+#endif
+
+#ifndef HAVE_NETDNET_DNETDB_H_DNET_HTOA
+extern char *dnet_htoa(struct dn_naddr *);
+#endif
+
+void
+decnet_print(register const u_char *ap, register u_int length,
+ register u_int caplen)
+{
+ register const union routehdr *rhp;
+ register int mflags;
+ int dst, src, hops;
+ u_int nsplen, pktlen;
+ const u_char *nspp;
+
+ if (length < sizeof(struct shorthdr)) {
+ (void)printf("[|decnet]");
+ return;
+ }
+
+ TCHECK2(*ap, sizeof(short));
+ pktlen = EXTRACT_LE_16BITS(ap);
+ if (pktlen < sizeof(struct shorthdr)) {
+ (void)printf("[|decnet]");
+ return;
+ }
+ if (pktlen > length) {
+ (void)printf("[|decnet]");
+ return;
+ }
+ length = pktlen;
+
+ rhp = (const union routehdr *)&(ap[sizeof(short)]);
+ TCHECK(rhp->rh_short.sh_flags);
+ mflags = EXTRACT_LE_8BITS(rhp->rh_short.sh_flags);
+
+ if (mflags & RMF_PAD) {
+ /* pad bytes of some sort in front of message */
+ u_int padlen = mflags & RMF_PADMASK;
+ if (vflag)
+ (void) printf("[pad:%d] ", padlen);
+ if (length < padlen + 2) {
+ (void)printf("[|decnet]");
+ return;
+ }
+ TCHECK2(ap[sizeof(short)], padlen);
+ ap += padlen;
+ length -= padlen;
+ caplen -= padlen;
+ rhp = (const union routehdr *)&(ap[sizeof(short)]);
+ mflags = EXTRACT_LE_8BITS(rhp->rh_short.sh_flags);
+ }
+
+ if (mflags & RMF_FVER) {
+ (void) printf("future-version-decnet");
+ default_print(ap, min(length, caplen));
+ return;
+ }
+
+ /* is it a control message? */
+ if (mflags & RMF_CTLMSG) {
+ if (!print_decnet_ctlmsg(rhp, length, caplen))
+ goto trunc;
+ return;
+ }
+
+ switch (mflags & RMF_MASK) {
+ case RMF_LONG:
+ if (length < sizeof(struct longhdr)) {
+ (void)printf("[|decnet]");
+ return;
+ }
+ TCHECK(rhp->rh_long);
+ dst =
+ EXTRACT_LE_16BITS(rhp->rh_long.lg_dst.dne_remote.dne_nodeaddr);
+ src =
+ EXTRACT_LE_16BITS(rhp->rh_long.lg_src.dne_remote.dne_nodeaddr);
+ hops = EXTRACT_LE_8BITS(rhp->rh_long.lg_visits);
+ nspp = &(ap[sizeof(short) + sizeof(struct longhdr)]);
+ nsplen = length - sizeof(struct longhdr);
+ break;
+ case RMF_SHORT:
+ TCHECK(rhp->rh_short);
+ dst = EXTRACT_LE_16BITS(rhp->rh_short.sh_dst);
+ src = EXTRACT_LE_16BITS(rhp->rh_short.sh_src);
+ hops = (EXTRACT_LE_8BITS(rhp->rh_short.sh_visits) & VIS_MASK)+1;
+ nspp = &(ap[sizeof(short) + sizeof(struct shorthdr)]);
+ nsplen = length - sizeof(struct shorthdr);
+ break;
+ default:
+ (void) printf("unknown message flags under mask");
+ default_print((u_char *)ap, min(length, caplen));
+ return;
+ }
+
+ (void)printf("%s > %s %d ",
+ dnaddr_string(src), dnaddr_string(dst), pktlen);
+ if (vflag) {
+ if (mflags & RMF_RQR)
+ (void)printf("RQR ");
+ if (mflags & RMF_RTS)
+ (void)printf("RTS ");
+ if (mflags & RMF_IE)
+ (void)printf("IE ");
+ (void)printf("%d hops ", hops);
+ }
+
+ if (!print_nsp(nspp, nsplen))
+ goto trunc;
+ return;
+
+trunc:
+ (void)printf("[|decnet]");
+ return;
+}
+
+static int
+print_decnet_ctlmsg(register const union routehdr *rhp, u_int length,
+ u_int caplen)
+{
+ int mflags = EXTRACT_LE_8BITS(rhp->rh_short.sh_flags);
+ register union controlmsg *cmp = (union controlmsg *)rhp;
+ int src, dst, info, blksize, eco, ueco, hello, other, vers;
+ etheraddr srcea, rtea;
+ int priority;
+ char *rhpx = (char *)rhp;
+ int ret;
+
+ switch (mflags & RMF_CTLMASK) {
+ case RMF_INIT:
+ (void)printf("init ");
+ if (length < sizeof(struct initmsg))
+ goto trunc;
+ TCHECK(cmp->cm_init);
+ src = EXTRACT_LE_16BITS(cmp->cm_init.in_src);
+ info = EXTRACT_LE_8BITS(cmp->cm_init.in_info);
+ blksize = EXTRACT_LE_16BITS(cmp->cm_init.in_blksize);
+ vers = EXTRACT_LE_8BITS(cmp->cm_init.in_vers);
+ eco = EXTRACT_LE_8BITS(cmp->cm_init.in_eco);
+ ueco = EXTRACT_LE_8BITS(cmp->cm_init.in_ueco);
+ hello = EXTRACT_LE_16BITS(cmp->cm_init.in_hello);
+ print_t_info(info);
+ (void)printf(
+ "src %sblksize %d vers %d eco %d ueco %d hello %d",
+ dnaddr_string(src), blksize, vers, eco, ueco,
+ hello);
+ ret = 1;
+ break;
+ case RMF_VER:
+ (void)printf("verification ");
+ if (length < sizeof(struct verifmsg))
+ goto trunc;
+ TCHECK(cmp->cm_ver);
+ src = EXTRACT_LE_16BITS(cmp->cm_ver.ve_src);
+ other = EXTRACT_LE_8BITS(cmp->cm_ver.ve_fcnval);
+ (void)printf("src %s fcnval %o", dnaddr_string(src), other);
+ ret = 1;
+ break;
+ case RMF_TEST:
+ (void)printf("test ");
+ if (length < sizeof(struct testmsg))
+ goto trunc;
+ TCHECK(cmp->cm_test);
+ src = EXTRACT_LE_16BITS(cmp->cm_test.te_src);
+ other = EXTRACT_LE_8BITS(cmp->cm_test.te_data);
+ (void)printf("src %s data %o", dnaddr_string(src), other);
+ ret = 1;
+ break;
+ case RMF_L1ROUT:
+ (void)printf("lev-1-routing ");
+ if (length < sizeof(struct l1rout))
+ goto trunc;
+ TCHECK(cmp->cm_l1rou);
+ src = EXTRACT_LE_16BITS(cmp->cm_l1rou.r1_src);
+ (void)printf("src %s ", dnaddr_string(src));
+ ret = print_l1_routes(&(rhpx[sizeof(struct l1rout)]),
+ length - sizeof(struct l1rout));
+ break;
+ case RMF_L2ROUT:
+ (void)printf("lev-2-routing ");
+ if (length < sizeof(struct l2rout))
+ goto trunc;
+ TCHECK(cmp->cm_l2rout);
+ src = EXTRACT_LE_16BITS(cmp->cm_l2rout.r2_src);
+ (void)printf("src %s ", dnaddr_string(src));
+ ret = print_l2_routes(&(rhpx[sizeof(struct l2rout)]),
+ length - sizeof(struct l2rout));
+ break;
+ case RMF_RHELLO:
+ (void)printf("router-hello ");
+ if (length < sizeof(struct rhellomsg))
+ goto trunc;
+ TCHECK(cmp->cm_rhello);
+ vers = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_vers);
+ eco = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_eco);
+ ueco = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_ueco);
+ memcpy((char *)&srcea, (char *)&(cmp->cm_rhello.rh_src),
+ sizeof(srcea));
+ src = EXTRACT_LE_16BITS(srcea.dne_remote.dne_nodeaddr);
+ info = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_info);
+ blksize = EXTRACT_LE_16BITS(cmp->cm_rhello.rh_blksize);
+ priority = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_priority);
+ hello = EXTRACT_LE_16BITS(cmp->cm_rhello.rh_hello);
+ print_i_info(info);
+ (void)printf(
+ "vers %d eco %d ueco %d src %s blksize %d pri %d hello %d",
+ vers, eco, ueco, dnaddr_string(src),
+ blksize, priority, hello);
+ ret = print_elist(&(rhpx[sizeof(struct rhellomsg)]),
+ length - sizeof(struct rhellomsg));
+ break;
+ case RMF_EHELLO:
+ (void)printf("endnode-hello ");
+ if (length < sizeof(struct ehellomsg))
+ goto trunc;
+ TCHECK(cmp->cm_ehello);
+ vers = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_vers);
+ eco = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_eco);
+ ueco = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_ueco);
+ memcpy((char *)&srcea, (char *)&(cmp->cm_ehello.eh_src),
+ sizeof(srcea));
+ src = EXTRACT_LE_16BITS(srcea.dne_remote.dne_nodeaddr);
+ info = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_info);
+ blksize = EXTRACT_LE_16BITS(cmp->cm_ehello.eh_blksize);
+ /*seed*/
+ memcpy((char *)&rtea, (char *)&(cmp->cm_ehello.eh_router),
+ sizeof(rtea));
+ dst = EXTRACT_LE_16BITS(rtea.dne_remote.dne_nodeaddr);
+ hello = EXTRACT_LE_16BITS(cmp->cm_ehello.eh_hello);
+ other = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_data);
+ print_i_info(info);
+ (void)printf(
+ "vers %d eco %d ueco %d src %s blksize %d rtr %s hello %d data %o",
+ vers, eco, ueco, dnaddr_string(src),
+ blksize, dnaddr_string(dst), hello, other);
+ ret = 1;
+ break;
+
+ default:
+ (void)printf("unknown control message");
+ default_print((u_char *)rhp, min(length, caplen));
+ ret = 1;
+ break;
+ }
+ return (ret);
+
+trunc:
+ return (0);
+}
+
+static void
+print_t_info(int info)
+{
+ int ntype = info & 3;
+ switch (ntype) {
+ case 0: (void)printf("reserved-ntype? "); break;
+ case TI_L2ROUT: (void)printf("l2rout "); break;
+ case TI_L1ROUT: (void)printf("l1rout "); break;
+ case TI_ENDNODE: (void)printf("endnode "); break;
+ }
+ if (info & TI_VERIF)
+ (void)printf("verif ");
+ if (info & TI_BLOCK)
+ (void)printf("blo ");
+}
+
+static int
+print_l1_routes(const char *rp, u_int len)
+{
+ int count;
+ int id;
+ int info;
+
+ /* The last short is a checksum */
+ while (len > (3 * sizeof(short))) {
+ TCHECK2(*rp, 3 * sizeof(short));
+ count = EXTRACT_LE_16BITS(rp);
+ if (count > 1024)
+ return (1); /* seems to be bogus from here on */
+ rp += sizeof(short);
+ len -= sizeof(short);
+ id = EXTRACT_LE_16BITS(rp);
+ rp += sizeof(short);
+ len -= sizeof(short);
+ info = EXTRACT_LE_16BITS(rp);
+ rp += sizeof(short);
+ len -= sizeof(short);
+ (void)printf("{ids %d-%d cost %d hops %d} ", id, id + count,
+ RI_COST(info), RI_HOPS(info));
+ }
+ return (1);
+
+trunc:
+ return (0);
+}
+
+static int
+print_l2_routes(const char *rp, u_int len)
+{
+ int count;
+ int area;
+ int info;
+
+ /* The last short is a checksum */
+ while (len > (3 * sizeof(short))) {
+ TCHECK2(*rp, 3 * sizeof(short));
+ count = EXTRACT_LE_16BITS(rp);
+ if (count > 1024)
+ return (1); /* seems to be bogus from here on */
+ rp += sizeof(short);
+ len -= sizeof(short);
+ area = EXTRACT_LE_16BITS(rp);
+ rp += sizeof(short);
+ len -= sizeof(short);
+ info = EXTRACT_LE_16BITS(rp);
+ rp += sizeof(short);
+ len -= sizeof(short);
+ (void)printf("{areas %d-%d cost %d hops %d} ", area, area + count,
+ RI_COST(info), RI_HOPS(info));
+ }
+ return (1);
+
+trunc:
+ return (0);
+}
+
+static void
+print_i_info(int info)
+{
+ int ntype = info & II_TYPEMASK;
+ switch (ntype) {
+ case 0: (void)printf("reserved-ntype? "); break;
+ case II_L2ROUT: (void)printf("l2rout "); break;
+ case II_L1ROUT: (void)printf("l1rout "); break;
+ case II_ENDNODE: (void)printf("endnode "); break;
+ }
+ if (info & II_VERIF)
+ (void)printf("verif ");
+ if (info & II_NOMCAST)
+ (void)printf("nomcast ");
+ if (info & II_BLOCK)
+ (void)printf("blo ");
+}
+
+static int
+print_elist(const char *elp _U_, u_int len _U_)
+{
+ /* Not enough examples available for me to debug this */
+ return (1);
+}
+
+static int
+print_nsp(const u_char *nspp, u_int nsplen)
+{
+ const struct nsphdr *nsphp = (struct nsphdr *)nspp;
+ int dst, src, flags;
+
+ if (nsplen < sizeof(struct nsphdr))
+ goto trunc;
+ TCHECK(*nsphp);
+ flags = EXTRACT_LE_8BITS(nsphp->nh_flags);
+ dst = EXTRACT_LE_16BITS(nsphp->nh_dst);
+ src = EXTRACT_LE_16BITS(nsphp->nh_src);
+
+ switch (flags & NSP_TYPEMASK) {
+ case MFT_DATA:
+ switch (flags & NSP_SUBMASK) {
+ case MFS_BOM:
+ case MFS_MOM:
+ case MFS_EOM:
+ case MFS_BOM+MFS_EOM:
+ printf("data %d>%d ", src, dst);
+ {
+ 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) { /* ackoth field */
+ if ((ack & SGQ_ONAK) == SGQ_ONAK)
+ (void)printf("onak %d ", ack & SGQ_MASK);
+ else
+ (void)printf("oack %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+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
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-30 18:33:04 +0000