xref: /openbsd/usr.sbin/tcpdump/print-pim.c (revision 76d0caae)
1 /*	$OpenBSD: print-pim.c,v 1.9 2020/01/24 22:46:37 procter Exp $	*/
2 
3 /*
4  * Copyright (c) 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 
24 #include <sys/time.h>
25 #include <sys/socket.h>
26 
27 #include <netinet/in.h>
28 #include <netinet/ip.h>
29 #include <netinet/ip_var.h>
30 #include <netinet/udp.h>
31 #include <netinet/udp_var.h>
32 #include <netinet/tcp.h>
33 
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <unistd.h>
37 
38 #include "interface.h"
39 #include "addrtoname.h"
40 
41 void
42 pim_print(const u_char *bp, u_int len)
43 {
44     const u_char *ep;
45     u_char type;
46 
47     ep = (const u_char *)snapend;
48     if (bp >= ep)
49 	return;
50 
51     type = bp[1];
52 
53     switch (type) {
54     case 0:
55 	printf(" Query");
56 	break;
57 
58     case 1:
59 	printf(" Register");
60 	break;
61 
62     case 2:
63 	printf(" Register-Stop");
64 	break;
65 
66     case 3:
67 	printf(" Join/Prune");
68 	break;
69 
70     case 4:
71 	printf(" RP-reachable");
72 	break;
73 
74     case 5:
75 	printf(" Assert");
76 	break;
77 
78     case 6:
79 	printf(" Graft");
80 	break;
81 
82     case 7:
83 	printf(" Graft-ACK");
84 	break;
85 
86     case 8:
87 	printf(" Mode");
88 	break;
89 
90     default:
91 	printf(" [type %d]", type);
92 	break;
93     }
94 }
95