GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/tcpdump/print-ipx.c Lines: 0 78 0.0 %
Date: 2017-11-13 Branches: 0 60 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: print-ipx.c,v 1.15 2015/11/16 00:16:39 mmcc Exp $	*/
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/*
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 * Copyright (c) 1994, 1995, 1996
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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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 * Format and print Novell IPX packets.
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 * Contributed by Brad Parker (brad@fcr.com).
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 */
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#include <netinet/ip_var.h>
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#include <netinet/udp.h>
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#include <netinet/udp_var.h>
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#include <netinet/tcp.h>
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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 "interface.h"
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#include "addrtoname.h"
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#include "ipx.h"
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#include "extract.h"
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static const char *ipxaddr_string(u_int32_t, const u_char *);
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void ipx_decode(const struct ipxHdr *, const u_char *, u_int);
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void ipx_sap_print(const u_short *, u_int);
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void ipx_rip_print(const u_short *, u_int);
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/*
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 * Print IPX datagram packets.
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 */
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void
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ipx_print(const u_char *p, u_int length)
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{
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	const struct ipxHdr *ipx = (const struct ipxHdr *)p;
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	TCHECK(ipx->srcSkt);
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	(void)printf("%s.%x > ",
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		     ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode),
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		     EXTRACT_16BITS(&ipx->srcSkt));
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	(void)printf("%s.%x:",
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		     ipxaddr_string(EXTRACT_32BITS(ipx->dstNet), ipx->dstNode),
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		     EXTRACT_16BITS(&ipx->dstSkt));
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	/* take length from ipx header */
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	TCHECK(ipx->length);
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	length = EXTRACT_16BITS(&ipx->length);
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	ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize);
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	return;
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trunc:
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	printf("[|ipx %d]", length);
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}
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static const char *
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ipxaddr_string(u_int32_t net, const u_char *node)
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{
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    static char line[256];
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    snprintf(line, sizeof(line), "%x.%02x:%02x:%02x:%02x:%02x:%02x",
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	    net, node[0], node[1], node[2], node[3], node[4], node[5]);
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    return line;
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}
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void
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ipx_decode(const struct ipxHdr *ipx, const u_char *datap, u_int length)
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{
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    u_short dstSkt;
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    dstSkt = EXTRACT_16BITS(&ipx->dstSkt);
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    switch (dstSkt) {
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      case IPX_SKT_NCP:
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	(void)printf(" ipx-ncp %d", length);
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	break;
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      case IPX_SKT_SAP:
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	ipx_sap_print((u_short *)datap, length);
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	break;
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      case IPX_SKT_RIP:
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	ipx_rip_print((u_short *)datap, length);
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	break;
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      case IPX_SKT_NETBIOS:
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	(void)printf(" ipx-netbios %d", length);
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	break;
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      case IPX_SKT_DIAGNOSTICS:
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	(void)printf(" ipx-diags %d", length);
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	break;
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      default:
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	(void)printf(" ipx-#%x %d", dstSkt, length);
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	break;
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    }
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}
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void
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ipx_sap_print(const u_short *ipx, u_int length)
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{
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    int command, i;
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    TCHECK(ipx[0]);
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    command = EXTRACT_16BITS(ipx);
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    ipx++;
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    length -= 2;
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    switch (command) {
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      case 1:
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      case 3:
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	if (command == 1)
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	    (void)printf("ipx-sap-req");
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	else
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	    (void)printf("ipx-sap-nearest-req");
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	if (length > 0) {
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	    TCHECK(ipx[1]);
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	    (void)printf(" %x '", EXTRACT_16BITS(&ipx[0]));
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	    fn_print((u_char *)&ipx[1], min(snapend, (u_char *)&ipx[1] + 48));
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	    putchar('\'');
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	}
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	break;
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      case 2:
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      case 4:
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	if (command == 2)
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	    (void)printf("ipx-sap-resp");
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	else
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	    (void)printf("ipx-sap-nearest-resp");
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	for (i = 0; i < 8 && length > 0; i++) {
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	    TCHECK2(ipx[27], 1);
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	    (void)printf(" %x '", EXTRACT_16BITS(&ipx[0]));
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	    fn_print((u_char *)&ipx[1], min(snapend, (u_char *)&ipx[1] + 48));
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	    printf("' addr %s",
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		ipxaddr_string(EXTRACT_32BITS(&ipx[25]), (u_char *)&ipx[27]));
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	    ipx += 32;
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	    length -= 64;
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	}
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	break;
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      default:
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	    (void)printf("ipx-sap-?%x", command);
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	break;
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    }
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	return;
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trunc:
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	printf("[|ipx %d]", length);
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}
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void
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ipx_rip_print(const u_short *ipx, u_int length)
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{
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    int command, i;
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    TCHECK(ipx[0]);
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    command = EXTRACT_16BITS(ipx);
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    ipx++;
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    length -= 2;
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    switch (command) {
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      case 1:
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	(void)printf("ipx-rip-req");
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	if (length > 0) {
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	    TCHECK(ipx[3]);
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	    (void)printf(" %u/%d.%d", EXTRACT_32BITS(&ipx[0]),
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			 EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3]));
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	}
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	break;
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      case 2:
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	(void)printf("ipx-rip-resp");
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	for (i = 0; i < 50 && length > 0; i++) {
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	    TCHECK(ipx[3]);
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	    (void)printf(" %u/%d.%d", EXTRACT_32BITS(&ipx[0]),
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			 EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3]));
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	    ipx += 4;
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	    length -= 8;
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	}
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	break;
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      default:
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	    (void)printf("ipx-rip-?%x", command);
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    }
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	return;
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trunc:
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	printf("[|ipx %d]", length);
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}
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