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/*
* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994
* 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.
*
* Format and print AppleTalk packets.
*/
#ifndef lint
static char rcsid[] =
"@(#)$Header: print-atalk.c,v 1.36 94/06/20 19:44:34 leres Exp $ (LBL)";
#endif
#include <sys/param.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/if_ether.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
#include <netinet/tcp.h>
#include <netinet/tcpip.h>
#include <stdio.h>
#ifdef __STDC__
#include <stdlib.h>
#endif
#include <string.h>
#include "interface.h"
#include "addrtoname.h"
#include "ethertype.h"
#include "extract.h" /* must come after interface.h */
#include "appletalk.h"
static struct token type2str[] = {
{ ddpRTMP, "rtmp" },
{ ddpRTMPrequest, "rtmpReq" },
{ ddpECHO, "echo" },
{ ddpIP, "IP" },
{ ddpARP, "ARP" },
{ ddpKLAP, "KLAP" },
{ 0, NULL }
};
struct aarp {
u_short htype, ptype;
u_char halen, palen;
u_short op;
u_char hsaddr[6];
u_char psaddr[4];
u_char hdaddr[6];
u_char pdaddr[4];
};
static char tstr[] = "[|atalk]";
static void atp_print(const struct atATP *, int, u_char, u_char);
static void atp_bitmap_print(u_char);
static void nbp_print(const struct atNBP *, int, u_short, u_char, u_char);
static const char *print_cstring(const char *, const u_char *);
static const struct atNBPtuple *nbp_tuple_print(const struct atNBPtuple *,
const u_char *,
u_short, u_char, u_char);
static const struct atNBPtuple *nbp_name_print(const struct atNBPtuple *,
const u_char *);
static const char *ataddr_string(u_short, u_char);
static void ddp_print(const u_char *, int, int, u_short, u_char, u_char,
u_char);
static const char *ddpskt_string(int);
static void zip_print(const struct atZip *, int);
static const u_char * zip_netnumber_print(register const u_char *,
register const u_char *);
static const u_char * zip_zonename_print(register const u_char *,
register const u_char *);
static const u_char * zip_multicast_print(register const u_char *,
register const u_char *);
static void atp_zip_req_print(register const u_char *, int);
static void atp_zip_res_print(register const u_char *, int);
static void rtmp_print(const struct atRtmp *, int);
static void rtmpRequest_print(const struct atRtmpRequest *, int);
static void echo_print(const struct atEcho *, int);
/*
* Print AppleTalk Datagram Delivery Protocol packets.
*/
void
atalk_print(register const u_char *bp, int length)
{
register const struct atDDP *dp;
u_short snet;
int ddp_length;
if (length < ddpSize) {
(void)printf(" [|ddp %d]", length);
return;
}
dp = (const struct atDDP *)bp;
ddp_length = EXTRACT_SHORT(&dp->length) % 1024;
snet = EXTRACT_SHORT(&dp->srcNet);
printf("%s.%s", ataddr_string(snet, dp->srcNode),
ddpskt_string(dp->srcSkt));
printf(" > %s.%s:",
ataddr_string(EXTRACT_SHORT(&dp->dstNet), dp->dstNode),
ddpskt_string(dp->dstSkt));
bp += ddpSize;
length -= ddpSize;
ddp_length -= ddpSize;
ddp_print(bp, ddp_length,
dp->type, snet, dp->srcNode, dp->srcSkt, dp->dstSkt);
}
/*
* Print AppleTalk Datagram Delivery Protocol packets for KIP.
*/
void
atalk_kip_print(register const u_char *bp, int length)
{
register const struct LAP *lp;
register const struct atDDP *dp;
register const struct atShortDDP *sdp;
u_short snet;
int ddp_length;
lp = (struct LAP *)bp;
bp += sizeof(*lp);
length -= sizeof(*lp);
switch (lp->type) {
case lapShortDDP:
if (length < ddpSSize) {
(void)printf(" [|sddp %d]", length);
return;
}
sdp = (const struct atShortDDP *)bp;
ddp_length = EXTRACT_SHORT(&sdp->length) % 1024;
printf("%s.%s",
ataddr_string(0, lp->src), ddpskt_string(sdp->srcSkt));
printf(" > %s.%s:",
ataddr_string(0, lp->dst), ddpskt_string(sdp->dstSkt));
bp += ddpSSize;
length -= ddpSSize;
ddp_length -= ddpSize;
ddp_print(bp, ddp_length,
sdp->type, 0, lp->src, sdp->srcSkt, sdp->dstSkt);
break;
case lapDDP:
if (length < ddpSize) {
(void)printf(" [|ddp %d]", length);
return;
}
dp = (const struct atDDP *)bp;
ddp_length = EXTRACT_SHORT(&dp->length) % 1024;
snet = EXTRACT_SHORT(&dp->srcNet);
printf("%s.%s", ataddr_string(snet, dp->srcNode),
ddpskt_string(dp->srcSkt));
printf(" > %s.%s:",
ataddr_string(EXTRACT_SHORT(&dp->dstNet), dp->dstNode),
ddpskt_string(dp->dstSkt));
bp += ddpSize;
length -= ddpSize;
ddp_length -= ddpSize;
ddp_print(bp, ddp_length,
dp->type, snet, dp->srcNode, dp->srcSkt, dp->dstSkt);
break;
#ifdef notdef
case lapKLAP:
klap_print(bp, length);
break;
#endif
default:
printf("%d > %d at-lap#%d %d",
lp->src, lp->dst, lp->type, length);
break;
}
}
/* XXX should probably pass in the snap header and do checks like arp_print() */
void
aarp_print(register const u_char *bp, int length)
{
register const struct aarp *ap;
#define AT(member) ataddr_string((ap->member[1]<<8)|ap->member[2],ap->member[3])
printf("aarp ");
ap = (const struct aarp *)bp;
if (ap->htype == 1 && ap->ptype == ETHERTYPE_ATALK &&
ap->halen == 6 && ap->palen == 4 )
switch (ap->op) {
case 1: /* request */
(void)printf("who-has %s tell %s",
AT(pdaddr), AT(psaddr));
return;
case 2: /* response */
(void)printf("reply %s is-at %s",
AT(psaddr), etheraddr_string(ap->hsaddr));
return;
case 3: /* probe (oy!) */
(void)printf("probe %s tell %s",
AT(pdaddr), AT(psaddr));
return;
}
(void)printf("len %d op %d htype %d ptype %#x halen %d palen %d",
length, ap->op, ap->htype, ap->ptype, ap->halen, ap->palen );
}
static void
ddp_print(register const u_char *bp, register int length, register int t,
register u_short snet, register u_char snode, u_char sskt,
u_char dskt)
{
switch (t) {
case ddpNBP:
nbp_print((const struct atNBP *)bp, length, snet, snode, sskt);
break;
case ddpATP:
atp_print((const struct atATP *)bp, length, sskt, dskt);
break;
case ddpZIP:
zip_print((const struct atZip *)bp, length);
break;
case ddpRTMP:
rtmp_print((const struct atRtmp *)bp, length);
break;
case ddpRTMPrequest:
rtmpRequest_print((const struct atRtmpRequest *)bp, length);
break;
case ddpECHO:
echo_print((const struct atEcho *)bp, length);
break;
default:
(void)printf(" at-%s %d", tok2str(type2str, NULL, t), length);
break;
}
}
static void
atp_print(register const struct atATP *ap, int length,
u_char sskt, u_char dskt)
{
char c;
u_int32 data;
if ((const u_char *)(ap + 1) > snapend) {
/* Just bail if we don't have the whole chunk. */
fputs(tstr, stdout);
return;
}
length -= sizeof(*ap);
switch (ap->control & 0xc0) {
case atpReqCode:
(void)printf(" atp-req%s %d",
ap->control & atpXO? " " : "*",
EXTRACT_SHORT(&ap->transID));
atp_bitmap_print(ap->bitmap);
if (length != 0)
(void)printf(" [len=%d]", length);
switch (ap->control & (atpEOM|atpSTS)) {
case atpEOM:
(void)printf(" [EOM]");
break;
case atpSTS:
(void)printf(" [STS]");
break;
case atpEOM|atpSTS:
(void)printf(" [EOM,STS]");
break;
}
break;
case atpRspCode:
(void)printf(" atp-resp%s%d:%d (%d)",
ap->control & atpEOM? "*" : " ",
EXTRACT_SHORT(&ap->transID), ap->bitmap, length);
switch (ap->control & (atpXO|atpSTS)) {
case atpXO:
(void)printf(" [XO]");
break;
case atpSTS:
(void)printf(" [STS]");
break;
case atpXO|atpSTS:
(void)printf(" [XO,STS]");
break;
}
break;
case atpRelCode:
(void)printf(" atp-rel %d", EXTRACT_SHORT(&ap->transID));
atp_bitmap_print(ap->bitmap);
/* length should be zero */
if (length)
(void)printf(" [len=%d]", length);
/* there shouldn't be any control flags */
if (ap->control & (atpXO|atpEOM|atpSTS)) {
c = '[';
if (ap->control & atpXO) {
(void)printf("%cXO", c);
c = ',';
}
if (ap->control & atpEOM) {
(void)printf("%cEOM", c);
c = ',';
}
if (ap->control & atpSTS) {
(void)printf("%cSTS", c);
c = ',';
}
(void)printf("]");
}
break;
default:
(void)printf(" atp-0x%x %d (%d)", ap->control,
EXTRACT_SHORT(&ap->transID), length);
break;
}
data = EXTRACT_LONG(&ap->userData);
if (data != 0)
(void)printf(" 0x%x", data);
{
const u_char *cp = (u_char *)&ap->userData;
length -= sizeof(*ap) - sizeof(ap->userData);
switch (ap->control & 0xc0) {
case atpReqCode:
if (dskt == zipSkt)
atp_zip_req_print(cp, length);
break;
case atpRspCode:
if (sskt == zipSkt)
atp_zip_res_print(cp, length);
break;
case atpRelCode:
break;
}
}
}
static void
atp_bitmap_print(register u_char bm)
{
register char c;
register int i;
/*
* The '& 0xff' below is needed for compilers that want to sign
* extend a u_char, which is the case with the Ultrix compiler.
* (gcc is smart enough to eliminate it, at least on the Sparc).
*/
if ((bm + 1) & (bm & 0xff)) {
c = '<';
for (i = 0; bm; ++i) {
if (bm & 1) {
(void)printf("%c%d", c, i);
c = ',';
}
bm >>= 1;
}
(void)printf(">");
} else {
for (i = 0; bm; ++i)
bm >>= 1;
if (i > 1)
(void)printf("<0-%d>", i - 1);
else
(void)printf("<0>");
}
}
static void
nbp_print(register const struct atNBP *np, int length, register u_short snet,
register u_char snode, register u_char skt)
{
register const struct atNBPtuple *tp =
(struct atNBPtuple *)((u_char *)np + nbpHeaderSize);
int i = length;
const u_char *ep;
length -= nbpHeaderSize;
if (length < 8) {
/* must be room for at least one tuple */
(void)printf(" truncated-nbp %d", length + nbpHeaderSize);
return;
}
/* ep points to end of available data */
ep = snapend;
if ((const u_char *)tp > ep) {
fputs(tstr, stdout);
return;
}
switch (i = np->control & 0xf0) {
case nbpBrRq:
case nbpLkUp:
(void)printf(i == nbpLkUp? " nbp-lkup %d:":" nbp-brRq %d:",
np->id);
if ((const u_char *)(tp + 1) > ep) {
fputs(tstr, stdout);
return;
}
(void)nbp_name_print(tp, ep);
/*
* look for anomalies: the spec says there can only
* be one tuple, the address must match the source
* address and the enumerator should be zero.
*/
if ((np->control & 0xf) != 1)
(void)printf(" [ntup=%d]", np->control & 0xf);
if (tp->enumerator)
(void)printf(" [enum=%d]", tp->enumerator);
if (EXTRACT_SHORT(&tp->net) != snet ||
tp->node != snode || tp->skt != skt)
(void)printf(" [addr=%s.%d]",
ataddr_string(EXTRACT_SHORT(&tp->net),
tp->node), tp->skt);
break;
case nbpLkUpReply:
(void)printf(" nbp-reply %d:", np->id);
/* print each of the tuples in the reply */
for (i = np->control & 0xf; --i >= 0 && tp; )
tp = nbp_tuple_print(tp, ep, snet, snode, skt);
break;
default:
(void)printf(" nbp-0x%x %d (%d)", np->control, np->id,
length);
break;
}
}
/* print a counted string */
static const char *
print_cstring(register const char *cp, register const u_char *ep)
{
register int length;
if (cp >= (const char *)ep) {
fputs(tstr, stdout);
return (0);
}
length = *cp++;
/* Spec says string can be at most 32 bytes long */
if (length < 0 || length > 32) {
(void)printf("[len=%d]", length);
return (0);
}
while (--length >= 0) {
if (cp >= (char *)ep) {
fputs(tstr, stdout);
return (0);
}
putchar(*cp++);
}
return (cp);
}
static const struct atNBPtuple *
nbp_tuple_print(register const struct atNBPtuple *tp,
register const u_char *ep,
register u_short snet, register u_char snode,
register u_char skt)
{
register const struct atNBPtuple *tpn;
if ((const u_char *)(tp + 1) > ep) {
fputs(tstr, stdout);
return 0;
}
tpn = nbp_name_print(tp, ep);
/* if the enumerator isn't 1, print it */
if (tp->enumerator != 1)
(void)printf("(%d)", tp->enumerator);
/* if the socket doesn't match the src socket, print it */
if (tp->skt != skt)
(void)printf(" %d", tp->skt);
/* if the address doesn't match the src address, it's an anomaly */
if (EXTRACT_SHORT(&tp->net) != snet || tp->node != snode)
(void)printf(" [addr=%s]",
ataddr_string(EXTRACT_SHORT(&tp->net), tp->node));
return (tpn);
}
static const struct atNBPtuple *
nbp_name_print(const struct atNBPtuple *tp, register const u_char *ep)
{
register const char *cp = (const char *)tp + nbpTupleSize;
putchar(' ');
/* Object */
putchar('"');
if ((cp = print_cstring(cp, ep)) != NULL) {
/* Type */
putchar(':');
if ((cp = print_cstring(cp, ep)) != NULL) {
/* Zone */
putchar('@');
if ((cp = print_cstring(cp, ep)) != NULL)
putchar('"');
}
}
return ((const struct atNBPtuple *)cp);
}
#define HASHNAMESIZE 4096
struct hnamemem {
int addr;
char *name;
struct hnamemem *nxt;
};
static struct hnamemem hnametable[HASHNAMESIZE];
static const char *
ataddr_string(u_short atnet, u_char athost)
{
register struct hnamemem *tp, *tp2;
register int i = (atnet << 8) | athost;
char nambuf[256];
static int first = 1;
FILE *fp;
/*
* if this is the first call, see if there's an AppleTalk
* number to name map file.
*/
if (first && (first = 0, !nflag)
&& (fp = fopen("/etc/atalk.names", "r"))) {
char line[256];
int i1, i2, i3;
while (fgets(line, sizeof(line), fp)) {
if (line[0] == '\n' || line[0] == 0 || line[0] == '#')
continue;
if (sscanf(line, "%d.%d.%d %s", &i1, &i2, &i3,
nambuf) == 4)
/* got a hostname. */
i3 |= ((i1 << 8) | i2) << 8;
else if (sscanf(line, "%d.%d %s", &i1, &i2,
nambuf) == 3)
/* got a net name */
i3 = (((i1 << 8) | i2) << 8) | 255;
else
continue;
for (tp = &hnametable[i3 & (HASHNAMESIZE-1)];
tp->nxt; tp = tp->nxt)
;
tp->addr = i3;
tp->nxt = (struct hnamemem *)calloc(1, sizeof(*tp));
tp->name = savestr(nambuf);
}
fclose(fp);
}
for (tp = &hnametable[i & (HASHNAMESIZE-1)]; tp->nxt; tp = tp->nxt)
if (tp->addr == i)
return (tp->name);
/* didn't have the node name -- see if we've got the net name */
i |= 255;
for (tp2 = &hnametable[i & (HASHNAMESIZE-1)]; tp2->nxt; tp2 = tp2->nxt)
if (tp2->addr == i) {
tp->addr = (atnet << 8) | athost;
tp->nxt = (struct hnamemem *)calloc(1, sizeof(*tp));
(void)sprintf(nambuf, "%s.%d", tp2->name, athost);
tp->name = savestr(nambuf);
return (tp->name);
}
tp->addr = (atnet << 8) | athost;
tp->nxt = (struct hnamemem *)calloc(1, sizeof(*tp));
if (athost != 255)
(void)sprintf(nambuf, "%d.%d.%d",
atnet >> 8, atnet & 0xff, athost);
else
(void)sprintf(nambuf, "%d.%d", atnet >> 8, atnet & 0xff);
i = strlen(nambuf) + 1;
tp->name = strcpy(malloc((u_int) i), nambuf);
return (tp->name);
}
static struct token skt2str[] = {
{ rtmpSkt, "rtmp" }, /* routing table maintenance */
{ nbpSkt, "nis" }, /* name info socket */
{ echoSkt, "echo" }, /* AppleTalk echo protocol */
{ zipSkt, "zip" }, /* zone info protocol */
{ 0, NULL }
};
static const char *
ddpskt_string(register int skt)
{
static char buf[8];
if (nflag) {
(void)sprintf(buf, "%d", skt);
return (buf);
}
return (tok2str(skt2str, "%d", skt));
}
static
void zip_print(const struct atZip * zp, int length)
{
register const u_char *cp = (u_char *)zp + zipHeaderSize;
register const u_char *cp1;
const u_char *ep = snapend;
int i;
char c;
length -= zipHeaderSize;
if (cp >= ep) {
fputs(tstr, stdout);
return;
}
switch (zp->command) {
case zipQuery:
(void)printf(" zip-query: %d (", zp->netcount);
c = 0;
for (i = zp->netcount; --i >= 0 && cp; ) {
if (c != 0)
putchar(c);
cp = zip_netnumber_print(cp, ep);
c = ',';
}
putchar(')');
break;
case zipReply:
case zipExtendedReply:
(void)printf(" %s: %d (",
(zp->command == zipReply) ? "zp-reply" : "zip-extendedReply",
zp->netcount);
c = 0;
while(length > 0) {
if (c != 0)
putchar(c);
cp1 = zip_netnumber_print(cp, ep);
if (cp1 == 0)
break;
length -= cp1 - cp; cp = cp1;
putchar(' ');
cp1 = zip_zonename_print(cp, ep);
if (cp1 == 0)
break;
length -= cp1 - cp; cp = cp1;
c = ',';
}
putchar(')');
break;
case zipGetNetInfo:
(void)printf(" zip-getNetInfo:");
cp += 4;
zip_zonename_print(cp, ep);
break;
case zipGetNetInfoReply:
case zipNotify:
{
int inactive_zone_p = zp->netcount & 0x80;
int use_broadcast_p = zp->netcount & 0x40;
int single_zone_p = zp->netcount & 0x20;
(void)printf(" %s:", (zp->command == zipGetNetInfoReply) ?
"zip-getNetInfoReply" : "zip-notify");
c = '[';
if (inactive_zone_p) {
printf("%cinactive_zone", c);
c = ',';
}
if (use_broadcast_p) {
printf("%cuse_broadcast", c);
c = ',';
}
if (single_zone_p) {
printf("%csingle_zone", c);
c = ',';
}
if (c != '[')
putchar(']');
if (zp->command == zipGetNetInfoReply) {
printf(" net=<");
cp = zip_netnumber_print(cp, ep);
if (cp == 0) {
putchar('>');
break;
}
putchar(',');
cp = zip_netnumber_print(cp, ep);
putchar('>');
if (cp == 0)
break;
printf(",zone=");
cp = zip_zonename_print(cp, ep);
if (cp == 0)
break;
printf(",multicast=");
cp = zip_multicast_print(cp, ep);
if (cp == 0)
break;
if (inactive_zone_p) {
printf(",default_zone=");
cp = zip_zonename_print(cp, ep);
}
}
else {
cp += 4;
printf(" old_zone=");
cp = zip_zonename_print(cp, ep);
if (cp == 0)
break;
printf(",new_multicast=");
cp = zip_multicast_print(cp, ep);
if (cp == 0)
break;
printf(",new_zone=");
cp = zip_zonename_print(cp, ep);
}
}
break;
default:
(void)printf(" zip-0x%x %d (%d)", zp->command, zp->netcount, length);
break;
}
}
static const u_char *
zip_netnumber_print(register const u_char *cp, register const u_char *ep)
{
if (cp + 2 > ep || cp == 0) {
fputs(tstr, stdout);
return 0;
}
printf("%d.%d", (int)(*cp), (int)(*(cp + 1)));
return cp + 2;
}
static const u_char *
zip_zonename_print(register const u_char *cp, register const u_char *ep)
{
int i;
if (cp + 1 > ep || cp == 0) {
fputs(tstr, stdout);
return 0;
}
i = *cp++;
putchar('"');
while (--i >= 0) {
if (cp < ep)
putchar(*cp++);
else {
fputs(tstr, stdout);
putchar('"');
return 0;
}
}
putchar('"');
return cp;
}
static const u_char *
zip_multicast_print(register const u_char *cp, register const u_char *ep)
{
int i;
char c;
if (cp + 1 > ep || cp == 0) {
fputs(tstr, stdout);
return 0;
}
i = *cp++;
if (cp + i > ep) {
fputs(tstr, stdout);
return 0;
}
c = 0;
while (--i >= 0) {
if (cp < ep) {
if (c != 0)
putchar(c);
printf("%d", (int)(*cp++));
c = '.';
}
else {
fputs(tstr, stdout);
return 0;
}
}
return cp;
}
static void
atp_zip_req_print(register const u_char *cp, int length)
{
u_char command;
u_short index;
char *command_name;
const u_char *ep = snapend;
if (cp + 4 > ep) {
fputs(tstr, stdout);
return;
}
command = *cp;
index = EXTRACT_SHORT(cp + 2);
switch (command) {
case GetMyZone:
command_name = "getMyZone";
break;
case GetZoneList:
command_name = "getZoneList";
break;
case GetLocalZones:
command_name = "getLocalZones";
break;
default:
command_name = "<unknown command>";
break;
}
printf(": zip-%s: index=%d", command_name, (int)index);
}
static void
atp_zip_res_print(register const u_char *cp, int length)
{
u_char last_flag;
u_short num_zones;
int i;
char c;
const u_char *ep = snapend;
if (cp + 4 > ep) {
fputs(tstr, stdout);
return;
}
last_flag = *cp;
num_zones = EXTRACT_SHORT(cp + 2);
/* GetZoneListReply or GetLocalZonesReply or GetMyZoneReply */
printf(": zip-getZoneReply: last=%d,#zone=%d,zones=(",
(int)last_flag, (int)num_zones);
cp += 4;
length -= 4;
c = 0;
for (i = num_zones; --i >= 0 && cp; ) {
if (c != 0)
putchar(c);
cp = zip_zonename_print(cp, ep);
c = ',';
}
putchar(')');
}
static void
rtmp_print(const struct atRtmp *rp, int length)
{
register const u_char *cp = (u_char *)rp + rtmpHeaderSize;
const u_char *ep = snapend;
char c;
struct atRtmpTuple *rtp;
length -= rtmpHeaderSize;
if (cp >= ep) {
fputs(tstr, stdout);
return;
}
(void)printf(" rtmp: sender=%s,",
ataddr_string(EXTRACT_SHORT(&rp->snet), rp->snode));
/* Branch according to the network type, non-extened or extended. */
rtp = (struct atRtmpTuple *)cp;
if (cp + rtmpTupleSize > ep) {
fputs(tstr, stdout);
return;
}
if ((rtp->net[0] == 0) && (rtp->net[1] == 0)
&& (rtp->distance == 0x82)) {
/* non-extended netowrk */
cp += rtmpTupleSize;
length -= rtmpTupleSize;
/* Print all tuples. */
c = 0;
while (length > 0) {
rtp = (struct atRtmpTuple *)cp;
if (cp + rtmpTupleSize > ep) {
fputs(tstr, stdout);
return;
}
if (c == 0)
printf("(net,dist)=");
else
putchar(c);
if ((rtp->distance & 0x80) != 0) {
printf("*** mixture extend and non-extended network ? ***");
return;
}
printf("(%d.%d,%d)", (int)rtp->net[0], (int)rtp->net[1],
rtp->distance & 0x1f);
c = ',';
cp += rtmpTupleSize;
length -= rtmpTupleSize;
}
}
else if ((rtp->distance & 0x80) != 0) {
/* extended network */
/* Print all tuples. */
c = 0;
while (length > 0) {
struct atRtmpTupleExt *rtep = (struct atRtmpTupleExt *)cp;
if (cp + rtmpTupleExtSize > ep) {
fputs(tstr, stdout);
return;
}
if (c == 0)
printf("ver=%d,(net,dist)=", rtep->version);
else
putchar(c);
if ((rtep->distance & 0x80) == 0) {
printf("*** mixture extend and non-extended network ? ***");
return;
}
printf("(<%d.%d,%d.%d>,%d)",
(int)rtep->net_start[0], (int)rtep->net_start[1],
(int)rtep->net_end[0], (int)rtep->net_end[1],
rtep->distance & 0x1f);
c = ',';
cp += rtmpTupleExtSize;
length -= rtmpTupleExtSize;
}
}
else {
printf("*** unknown format ***");
return;
}
}
static void
rtmpRequest_print(const struct atRtmpRequest *rp, int length)
{
if ((u_char *)(rp + 1) > snapend) {
fputs(tstr, stdout);
return;
}
switch (rp->command) {
case rtmpRequest:
printf(" rtmp-request");
break;
case rtmpRouteDataRequest_2:
printf(" rtmp-routeDataRequest (2)");
break;
case rtmpRouteDataRequest_3:
printf(" rtmp-routeDataRequest (3)");
break;
default:
printf(" rtmp-#%d %d", rp->command, length);
break;
}
}
static void
echo_print(const struct atEcho *ecp, int length)
{
if ((u_char *)(ecp + 1) > snapend) {
fputs(tstr, stdout);
return;
}
length -= echoSize;
switch (ecp->echoFunction) {
case echoRequest:
printf(" echo-request: ");
break;
case echoReply:
printf(" echo-reply: ");
break;
default:
printf(" echo-#%d: ", ecp->echoFunction);
break;
}
if (length != 0)
printf("[len=%d]", length);
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.