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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/tcpdump/print-ipx.c	Lines:	0	78	0.0 %
Date:	2017-11-07	Branches:	0	60	0.0 %


/*	$OpenBSD: print-ipx.c,v 1.15 2015/11/16 00:16:39 mmcc 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).
 */

#include <sys/time.h>
#include <sys/socket.h>

#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
#include <netinet/tcp.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "interface.h"
#include "addrtoname.h"
#include "ipx.h"
#include "extract.h"


static const char *ipxaddr_string(u_int32_t, const u_char *);
void ipx_decode(const struct ipxHdr *, const u_char *, u_int);
void ipx_sap_print(const u_short *, u_int);
void ipx_rip_print(const u_short *, u_int);

/*
 * Print IPX datagram packets.
 */
void
ipx_print(const u_char *p, u_int length)
{
	const struct ipxHdr *ipx = (const struct ipxHdr *)p;

	TCHECK(ipx->srcSkt);
	(void)printf("%s.%x > ",
		     ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode),
		     EXTRACT_16BITS(&ipx->srcSkt));

	(void)printf("%s.%x:",
		     ipxaddr_string(EXTRACT_32BITS(ipx->dstNet), ipx->dstNode),
		     EXTRACT_16BITS(&ipx->dstSkt));

	/* take length from ipx header */
	TCHECK(ipx->length);
	length = EXTRACT_16BITS(&ipx->length);

	ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize);
	return;
trunc:
	printf("[|ipx %d]", length);
}

static const char *
ipxaddr_string(u_int32_t net, const u_char *node)
{
    static char line[256];

    snprintf(line, sizeof(line), "%x.%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, u_int length)
{
    u_short dstSkt;

    dstSkt = EXTRACT_16BITS(&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, u_int length)
{
    int command, i;

    TCHECK(ipx[0]);
    command = EXTRACT_16BITS(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) {
	    TCHECK(ipx[1]);
	    (void)printf(" %x '", EXTRACT_16BITS(&ipx[0]));
	    fn_print((u_char *)&ipx[1], min(snapend, (u_char *)&ipx[1] + 48));
	    putchar('\'');
	}
	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++) {
	    TCHECK2(ipx[27], 1);
	    (void)printf(" %x '", EXTRACT_16BITS(&ipx[0]));
	    fn_print((u_char *)&ipx[1], min(snapend, (u_char *)&ipx[1] + 48));
	    printf("' addr %s",
		ipxaddr_string(EXTRACT_32BITS(&ipx[25]), (u_char *)&ipx[27]));
	    ipx += 32;
	    length -= 64;
	}
	break;
      default:
	    (void)printf("ipx-sap-?%x", command);
	break;
    }
	return;
trunc:
	printf("[|ipx %d]", length);
}

void
ipx_rip_print(const u_short *ipx, u_int length)
{
    int command, i;

    TCHECK(ipx[0]);
    command = EXTRACT_16BITS(ipx);
    ipx++;
    length -= 2;

    switch (command) {
      case 1:
	(void)printf("ipx-rip-req");
	if (length > 0) {
	    TCHECK(ipx[3]);
	    (void)printf(" %u/%d.%d", EXTRACT_32BITS(&ipx[0]),
			 EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3]));
	}
	break;
      case 2:
	(void)printf("ipx-rip-resp");
	for (i = 0; i < 50 && length > 0; i++) {
	    TCHECK(ipx[3]);
	    (void)printf(" %u/%d.%d", EXTRACT_32BITS(&ipx[0]),
			 EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3]));

	    ipx += 4;
	    length -= 8;
	}
	break;
      default:
	    (void)printf("ipx-rip-?%x", command);
    }
	return;
trunc:
	printf("[|ipx %d]", length);
}



Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: print-ipx.c,v 1.15 2015/11/16 00:16:39 mmcc Exp $ */
2
3			/*
4			* Copyright (c) 1994, 1995, 1996
5			* The Regents of the University of California. All rights reserved.
6			*
7			* Redistribution and use in source and binary forms, with or without
8			* modification, are permitted provided that: (1) source code distributions
9			* retain the above copyright notice and this paragraph in its entirety, (2)
10			* distributions including binary code include the above copyright notice and
11			* this paragraph in its entirety in the documentation or other materials
12			* provided with the distribution, and (3) all advertising materials mentioning
13			* features or use of this software display the following acknowledgement:
14			* ``This product includes software developed by the University of California,
15			* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
16			* the University nor the names of its contributors may be used to endorse
17			* or promote products derived from this software without specific prior
18			* written permission.
19			* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
20			* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
21			* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22			*
23			* Format and print Novell IPX packets.
24			* Contributed by Brad Parker (brad@fcr.com).
25			*/
26
27			#include <sys/time.h>
28			#include <sys/socket.h>
29
30			#include <netinet/in.h>
31			#include <netinet/ip.h>
32			#include <netinet/ip_var.h>
33			#include <netinet/udp.h>
34			#include <netinet/udp_var.h>
35			#include <netinet/tcp.h>
36
37			#include <stdio.h>
38			#include <stdlib.h>
39			#include <string.h>
40
41			#include "interface.h"
42			#include "addrtoname.h"
43			#include "ipx.h"
44			#include "extract.h"
45
46
47			static const char ipxaddr_string(u_int32_t, const u_char );
48			void ipx_decode(const struct ipxHdr , const u_char , u_int);
49			void ipx_sap_print(const u_short *, u_int);
50			void ipx_rip_print(const u_short *, u_int);
51
52			/*
53			* Print IPX datagram packets.
54			*/
55			void
56			ipx_print(const u_char *p, u_int length)
57			{
58			const struct ipxHdr ipx = (const struct ipxHdr )p;
59
60			TCHECK(ipx->srcSkt);
61			(void)printf("%s.%x > ",
62			ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode),
63			EXTRACT_16BITS(&ipx->srcSkt));
64
65			(void)printf("%s.%x:",
66			ipxaddr_string(EXTRACT_32BITS(ipx->dstNet), ipx->dstNode),
67			EXTRACT_16BITS(&ipx->dstSkt));
68
69			/* take length from ipx header */
70			TCHECK(ipx->length);
71			length = EXTRACT_16BITS(&ipx->length);
72
73			ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize);
74			return;
75			trunc:
76			printf("[\|ipx %d]", length);
77			}
78
79			static const char *
80			ipxaddr_string(u_int32_t net, const u_char *node)
81			{
82			static char line[256];
83
84			snprintf(line, sizeof(line), "%x.%02x:%02x:%02x:%02x:%02x:%02x",
85			net, node[0], node[1], node[2], node[3], node[4], node[5]);
86
87			return line;
88			}
89
90			void
91			ipx_decode(const struct ipxHdr ipx, const u_char datap, u_int length)
92			{
93			u_short dstSkt;
94
95			dstSkt = EXTRACT_16BITS(&ipx->dstSkt);
96			switch (dstSkt) {
97			case IPX_SKT_NCP:
98			(void)printf(" ipx-ncp %d", length);
99			break;
100			case IPX_SKT_SAP:
101			ipx_sap_print((u_short *)datap, length);
102			break;
103			case IPX_SKT_RIP:
104			ipx_rip_print((u_short *)datap, length);
105			break;
106			case IPX_SKT_NETBIOS:
107			(void)printf(" ipx-netbios %d", length);
108			break;
109			case IPX_SKT_DIAGNOSTICS:
110			(void)printf(" ipx-diags %d", length);
111			break;
112			default:
113			(void)printf(" ipx-#%x %d", dstSkt, length);
114			break;
115			}
116			}
117
118			void
119			ipx_sap_print(const u_short *ipx, u_int length)
120			{
121			int command, i;
122
123			TCHECK(ipx[0]);
124			command = EXTRACT_16BITS(ipx);
125			ipx++;
126			length -= 2;
127
128			switch (command) {
129			case 1:
130			case 3:
131			if (command == 1)
132			(void)printf("ipx-sap-req");
133			else
134			(void)printf("ipx-sap-nearest-req");
135
136			if (length > 0) {
137			TCHECK(ipx[1]);
138			(void)printf(" %x '", EXTRACT_16BITS(&ipx[0]));
139			fn_print((u_char )&ipx[1], min(snapend, (u_char )&ipx[1] + 48));
140			putchar('\'');
141			}
142			break;
143
144			case 2:
145			case 4:
146			if (command == 2)
147			(void)printf("ipx-sap-resp");
148			else
149			(void)printf("ipx-sap-nearest-resp");
150
151			for (i = 0; i < 8 && length > 0; i++) {
152			TCHECK2(ipx[27], 1);
153			(void)printf(" %x '", EXTRACT_16BITS(&ipx[0]));
154			fn_print((u_char )&ipx[1], min(snapend, (u_char )&ipx[1] + 48));
155			printf("' addr %s",
156			ipxaddr_string(EXTRACT_32BITS(&ipx[25]), (u_char *)&ipx[27]));
157			ipx += 32;
158			length -= 64;
159			}
160			break;
161			default:
162			(void)printf("ipx-sap-?%x", command);
163			break;
164			}
165			return;
166			trunc:
167			printf("[\|ipx %d]", length);
168			}
169
170			void
171			ipx_rip_print(const u_short *ipx, u_int length)
172			{
173			int command, i;
174
175			TCHECK(ipx[0]);
176			command = EXTRACT_16BITS(ipx);
177			ipx++;
178			length -= 2;
179
180			switch (command) {
181			case 1:
182			(void)printf("ipx-rip-req");
183			if (length > 0) {
184			TCHECK(ipx[3]);
185			(void)printf(" %u/%d.%d", EXTRACT_32BITS(&ipx[0]),
186			EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3]));
187			}
188			break;
189			case 2:
190			(void)printf("ipx-rip-resp");
191			for (i = 0; i < 50 && length > 0; i++) {
192			TCHECK(ipx[3]);
193			(void)printf(" %u/%d.%d", EXTRACT_32BITS(&ipx[0]),
194			EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3]));
195
196			ipx += 4;
197			length -= 8;
198			}
199			break;
200			default:
201			(void)printf("ipx-rip-?%x", command);
202			}
203			return;
204			trunc:
205			printf("[\|ipx %d]", length);
206			}
207