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/* $OpenBSD: print-ipx.c,v 1.4 1996/07/13 11:01:24 mickey Exp $ */
/*
* Copyright (c) 1994, 1995, 1996
* 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 Novell IPX packets.
* Contributed by Brad Parker (brad@fcr.com).
*/
#ifndef lint
static char rcsid[] =
"@(#)Header: print-ipx.c,v 1.10 96/05/16 12:46:02 leres Exp";
#endif
#include <sys/param.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
#include <netinet/tcp.h>
#include <netinet/tcpip.h>
#ifdef __STDC__
#include <stdlib.h>
#endif
#include <stdio.h>
#include <string.h>
#include "interface.h"
#include "addrtoname.h"
#include "ipx.h"
#include "extract.h"
static const char *ipxaddr_string(u_int32_t net, const u_char *node);
void ipx_decode(const struct ipxHdr *ipx, const u_char *datap, int length);
void ipx_sap_print(const u_short *ipx, int length);
void ipx_rip_print(const u_short *ipx, int length);
/*
* Print IPX datagram packets.
*/
void
ipx_print(const u_char *p, int length)
{
const struct ipxHdr *ipx = (const struct ipxHdr *)p;
if (length < ipxSize) {
(void)printf(" truncated-ipx %d", length);
return;
}
(void)printf("%s.%x > ",
ipxaddr_string(EXTRACT_LONG(ipx->srcNet), ipx->srcNode),
EXTRACT_SHORT(&ipx->srcSkt));
(void)printf("%s.%x:",
ipxaddr_string(EXTRACT_LONG(ipx->dstNet), ipx->dstNode),
EXTRACT_SHORT(&ipx->dstSkt));
if ((u_char *)(ipx + 1) > snapend) {
printf(" [|ipx]");
return;
}
/* take length from ipx header */
length = EXTRACT_SHORT(&ipx->length);
ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize);
}
static const char *
ipxaddr_string(u_int32_t net, const u_char *node)
{
static char line[256];
sprintf(line, "%u.%02x:%02x:%02x:%02x:%02x:%02x",
net, node[0], node[1], node[2], node[3], node[4], node[5]);
return line;
}
void
ipx_decode(const struct ipxHdr *ipx, const u_char *datap, int length)
{
register u_short dstSkt;
dstSkt = EXTRACT_SHORT(&ipx->dstSkt);
switch (dstSkt) {
case IPX_SKT_NCP:
(void)printf(" ipx-ncp %d", length);
break;
case IPX_SKT_SAP:
ipx_sap_print((u_short *)datap, length);
break;
case IPX_SKT_RIP:
ipx_rip_print((u_short *)datap, length);
break;
case IPX_SKT_NETBIOS:
(void)printf(" ipx-netbios %d", length);
break;
case IPX_SKT_DIAGNOSTICS:
(void)printf(" ipx-diags %d", length);
break;
default:
(void)printf(" ipx-#%x %d", dstSkt, length);
break;
}
}
void
ipx_sap_print(const u_short *ipx, int length)
{
int command, i;
if (length < 2) {
(void)printf(" truncated-sap %d", length);
return;
}
command = EXTRACT_SHORT(ipx);
ipx++;
length -= 2;
switch (command) {
case 1:
case 3:
if (command == 1)
(void)printf("ipx-sap-req");
else
(void)printf("ipx-sap-nearest-req");
if (length > 0)
(void)printf(" %x '%.48s'", EXTRACT_SHORT(&ipx[0]),
(char*)&ipx[1]);
break;
case 2:
case 4:
if (command == 2)
(void)printf("ipx-sap-resp");
else
(void)printf("ipx-sap-nearest-resp");
for (i = 0; i < 8 && length > 0; i++) {
(void)printf(" %x '%.48s' addr %s",
EXTRACT_SHORT(&ipx[0]), (char *)&ipx[1],
ipxaddr_string(EXTRACT_LONG(&ipx[25]),
(u_char *)&ipx[27]));
ipx += 32;
length -= 64;
}
break;
default:
(void)printf("ipx-sap-?%x", command);
break;
}
}
void
ipx_rip_print(const u_short *ipx, int length)
{
int command, i;
if (length < 2) {
(void)printf(" truncated-ipx %d", length);
return;
}
command = EXTRACT_SHORT(ipx);
ipx++;
length -= 2;
switch (command) {
case 1:
(void)printf("ipx-rip-req");
if (length > 0)
(void)printf(" %u/%d.%d", EXTRACT_LONG(&ipx[0]),
EXTRACT_SHORT(&ipx[2]), EXTRACT_SHORT(&ipx[3]));
break;
case 2:
(void)printf("ipx-rip-resp");
for (i = 0; i < 50 && length > 0; i++) {
(void)printf(" %u/%d.%d", EXTRACT_LONG(&ipx[0]),
EXTRACT_SHORT(&ipx[2]), EXTRACT_SHORT(&ipx[3]));
ipx += 4;
length -= 8;
}
break;
default:
(void)printf("ipx-rip-?%x", command);
}
}
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