Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/tcpdump/print-vrrp.c	Lines:	0	36	0.0 %
Date:	2017-11-13	Branches:	0	45	0.0 %


/*	$OpenBSD: print-vrrp.c,v 1.4 2015/11/16 00:16:39 mmcc Exp $	*/

/*
 * Copyright (c) 2000 William C. Fenner.
 *                All rights reserved.
 *
 * Kevin Steves <ks@hp.se> July 2000
 * Modified to:
 * - print version, type string and packet length
 * - print IP address count if > 1 (-v)
 * - verify checksum (-v)
 * - print authentication string (-v)
 *
 * 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, and (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.
 * The name of William C. Fenner may not 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.
 *
 * from tcpdump.org:
 * Header: /tcpdump/master/tcpdump/print-vrrp.c,v 1.3 2000/10/10 05:05:08 guy Exp
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

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

#include <netinet/in.h>

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

/*
 * RFC 2338:
 *     0                   1                   2                   3
 *     0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *    |Version| Type  | Virtual Rtr ID|   Priority    | Count IP Addrs|
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *    |   Auth Type   |   Adver Int   |          Checksum             |
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *    |                         IP Address (1)                        |
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *    |                            .                                  |
 *    |                            .                                  |
 *    |                            .                                  |
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *    |                         IP Address (n)                        |
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *    |                     Authentication Data (1)                   |
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *    |                     Authentication Data (2)                   |
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */
void
vrrp_print(const u_char *bp, u_int len, int ttl)
{
	int version, type, auth_type;
	char *type_s;

	TCHECK(bp[0]);
	version = (bp[0] & 0xf0) >> 4;
	type = bp[0] & 0x0f;
	if (type == 1)
		type_s = "advertise";
	else
		type_s = "unknown";
	printf("VRRPv%d-%s %d: ", version, type_s, len);
	if (ttl != 255)
		printf("[ttl=%d!] ", ttl);
	if (version != 2 || type != 1)
		return;
	TCHECK(bp[2]);
	printf("vrid=%d prio=%d", bp[1], bp[2]);
	TCHECK(bp[5]);
	auth_type = bp[4];
	if (auth_type != 0)
		printf(" authtype=%d", auth_type);
	printf(" intvl=%d", bp[5]);
	if (vflag) {
		int naddrs = bp[3];
		int i;
		char c;

		if (TTEST2(bp[0], len) && in_cksum((const u_short*)bp, len, 0))
			printf(" (bad vrrp cksum %x!)",
				EXTRACT_16BITS(&bp[6]));
		printf(" addrs");
		if (naddrs > 1)
			printf("(%d)", naddrs);
		printf(":");
		c = ' ';
		bp += 8;
		for (i = 0; i < naddrs; i++) {
			TCHECK(bp[3]);
			printf("%c%s", c, ipaddr_string(bp));
			c = ',';
			bp += 4;
		}
		if (auth_type == 1) { /* simple text password */
			TCHECK(bp[7]);
			printf(" auth %.8s", bp);
		}
	}
	return;
trunc:
	printf("[|vrrp]");
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: print-vrrp.c,v 1.4 2015/11/16 00:16:39 mmcc Exp $ */
2
3			/*
4			* Copyright (c) 2000 William C. Fenner.
5			* All rights reserved.
6			*
7			* Kevin Steves <ks@hp.se> July 2000
8			* Modified to:
9			* - print version, type string and packet length
10			* - print IP address count if > 1 (-v)
11			* - verify checksum (-v)
12			* - print authentication string (-v)
13			*
14			* Redistribution and use in source and binary forms, with or without
15			* modification, are permitted provided that: (1) source code
16			* distributions retain the above copyright notice and this paragraph
17			* in its entirety, and (2) distributions including binary code include
18			* the above copyright notice and this paragraph in its entirety in
19			* the documentation or other materials provided with the distribution.
20			* The name of William C. Fenner may not be used to endorse or
21			* promote products derived from this software without specific prior
22			* written permission. THIS SOFTWARE IS PROVIDED ``AS IS'' AND
23			* WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
24			* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25			* FOR A PARTICULAR PURPOSE.
26			*
27			* from tcpdump.org:
28			* Header: /tcpdump/master/tcpdump/print-vrrp.c,v 1.3 2000/10/10 05:05:08 guy Exp
29			*/
30
31			#ifdef HAVE_CONFIG_H
32			#include "config.h"
33			#endif
34
35			#include <stdio.h>
36			#include <stdlib.h>
37			#include <unistd.h>
38
39			#include <netinet/in.h>
40
41			#include "interface.h"
42			#include "extract.h"
43			#include "addrtoname.h"
44
45			/*
46			* RFC 2338:
47			* 0 1 2 3
48			* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
49			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
50			* \|Version\| Type \| Virtual Rtr ID\| Priority \| Count IP Addrs\|
51			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
52			* \| Auth Type \| Adver Int \| Checksum \|
53			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
54			* \| IP Address (1) \|
55			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
56			* \| . \|
57			* \| . \|
58			* \| . \|
59			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
60			* \| IP Address (n) \|
61			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
62			* \| Authentication Data (1) \|
63			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
64			* \| Authentication Data (2) \|
65			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
66			*/
67			void
68			vrrp_print(const u_char *bp, u_int len, int ttl)
69			{
70			int version, type, auth_type;
71			char *type_s;
72
73			TCHECK(bp[0]);
74			version = (bp[0] & 0xf0) >> 4;
75			type = bp[0] & 0x0f;
76			if (type == 1)
77			type_s = "advertise";
78			else
79			type_s = "unknown";
80			printf("VRRPv%d-%s %d: ", version, type_s, len);
81			if (ttl != 255)
82			printf("[ttl=%d!] ", ttl);
83			if (version != 2 \|\| type != 1)
84			return;
85			TCHECK(bp[2]);
86			printf("vrid=%d prio=%d", bp[1], bp[2]);
87			TCHECK(bp[5]);
88			auth_type = bp[4];
89			if (auth_type != 0)
90			printf(" authtype=%d", auth_type);
91			printf(" intvl=%d", bp[5]);
92			if (vflag) {
93			int naddrs = bp[3];
94			int i;
95			char c;
96
97			if (TTEST2(bp[0], len) && in_cksum((const u_short*)bp, len, 0))
98			printf(" (bad vrrp cksum %x!)",
99			EXTRACT_16BITS(&bp[6]));
100			printf(" addrs");
101			if (naddrs > 1)
102			printf("(%d)", naddrs);
103			printf(":");
104			c = ' ';
105			bp += 8;
106			for (i = 0; i < naddrs; i++) {
107			TCHECK(bp[3]);
108			printf("%c%s", c, ipaddr_string(bp));
109			c = ',';
110			bp += 4;
111			}
112			if (auth_type == 1) { /* simple text password */
113			TCHECK(bp[7]);
114			printf(" auth %.8s", bp);
115			}
116			}
117			return;
118			trunc:
119			printf("[\|vrrp]");
120			}