1/*
2 * Copyright (c) 1992, 1993, 1994, 1995, 1996
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 *
21 * $FreeBSD: head/contrib/tcpdump/print-sunrpc.c 56896 2000-01-30 01:05:24Z fenner $
22 */
23
24#ifndef lint
25static const char rcsid[] =
26 "@(#) $Header: /tcpdump/master/tcpdump/print-sunrpc.c,v 1.29 1999/11/21 09:37:02 fenner Exp $ (LBL)";
27#endif
28
29#ifdef HAVE_CONFIG_H
30#include "config.h"
31#endif
32
33#include <sys/param.h>
34#include <sys/time.h>
35#include <sys/socket.h>
36
37#if __STDC__
38struct mbuf;
39struct rtentry;
40#endif
41#include <net/if.h>
42
43#include <netinet/in.h>
44#include <net/ethernet.h>
45#include <netinet/in_systm.h>
46#include <netinet/ip.h>
47#include <netinet/ip_var.h>
48
49#include <rpc/rpc.h>
50#ifdef HAVE_RPC_RPCENT_H
51#include <rpc/rpcent.h>
52#endif
53#include <rpc/pmap_prot.h>
54
55#include <ctype.h>
56#include <netdb.h>
57#include <stdio.h>
58#include <string.h>
59
60#include "interface.h"
61#include "addrtoname.h"
62
63static struct tok proc2str[] = {
64 { PMAPPROC_NULL, "null" },
65 { PMAPPROC_SET, "set" },
66 { PMAPPROC_UNSET, "unset" },
67 { PMAPPROC_GETPORT, "getport" },
68 { PMAPPROC_DUMP, "dump" },
69 { PMAPPROC_CALLIT, "call" },
70 { 0, NULL }
71};
72
73/* Forwards */
74static char *progstr(u_int32_t);
75
76void
77sunrpcrequest_print(register const u_char *bp, register u_int length,
78 register const u_char *bp2)
79{
80 register const struct rpc_msg *rp;
81 register const struct ip *ip;
82 u_int32_t x;
83
84 rp = (struct rpc_msg *)bp;
85 ip = (struct ip *)bp2;
86
87 if (!nflag)
88 (void)printf("%s.%x > %s.sunrpc: %d",
89 ipaddr_string(&ip->ip_src),
90 (u_int32_t)ntohl(rp->rm_xid),
91 ipaddr_string(&ip->ip_dst),
92 length);
93 else
94 (void)printf("%s.%x > %s.%x: %d",
95 ipaddr_string(&ip->ip_src),
96 (u_int32_t)ntohl(rp->rm_xid),
97 ipaddr_string(&ip->ip_dst),
98 PMAPPORT,
99 length);
100 printf(" %s", tok2str(proc2str, " proc #%u",
101 (u_int32_t)ntohl(rp->rm_call.cb_proc)));
102 x = ntohl(rp->rm_call.cb_rpcvers);
103 if (x != 2)
104 printf(" [rpcver %u]", x);
105
106 switch (ntohl(rp->rm_call.cb_proc)) {
107
108 case PMAPPROC_SET:
109 case PMAPPROC_UNSET:
110 case PMAPPROC_GETPORT:
111 case PMAPPROC_CALLIT:
112 x = ntohl(rp->rm_call.cb_prog);
113 if (!nflag)
114 printf(" %s", progstr(x));
115 else
116 printf(" %u", x);
117 printf(".%u", (u_int32_t)ntohl(rp->rm_call.cb_vers));
118 break;
119 }
120}
121
122static char *
123progstr(prog)
124 u_int32_t prog;
125{
126 register struct rpcent *rp;
127 static char buf[32];
128 static int lastprog = 0;
129
130 if (lastprog != 0 && prog == lastprog)
131 return (buf);
132 rp = getrpcbynumber(prog);
133 if (rp == NULL)
134 (void) sprintf(buf, "#%u", prog);
135 else
136 strcpy(buf, rp->r_name);
137 return (buf);
138}