1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* Copyright (c) 1992, 1993, 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.
*
* $FreeBSD$
*/
#ifndef lint
static const char rcsid[] =
"@(#) $Header: /tcpdump/master/tcpdump/print-sunrpc.c,v 1.39 2000/10/07 05:53:13 itojun Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/param.h>
#include <sys/time.h>
#include <sys/socket.h>
struct mbuf;
struct rtentry;
#include <netinet/in.h>
#include <rpc/rpc.h>
#ifdef HAVE_RPC_RPCENT_H
#include <rpc/rpcent.h>
#endif
#include <rpc/pmap_prot.h>
#include <ctype.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#include "interface.h"
#include "addrtoname.h"
#include "ip.h"
#ifdef INET6
#include "ip6.h"
#endif
static struct tok proc2str[] = {
{ PMAPPROC_NULL, "null" },
{ PMAPPROC_SET, "set" },
{ PMAPPROC_UNSET, "unset" },
{ PMAPPROC_GETPORT, "getport" },
{ PMAPPROC_DUMP, "dump" },
{ PMAPPROC_CALLIT, "call" },
{ 0, NULL }
};
/* Forwards */
static char *progstr(u_int32_t);
void
sunrpcrequest_print(register const u_char *bp, register u_int length,
register const u_char *bp2)
{
register const struct rpc_msg *rp;
register const struct ip *ip;
#ifdef INET6
register const struct ip6_hdr *ip6;
#endif
u_int32_t x;
char srcid[20], dstid[20]; /*fits 32bit*/
rp = (struct rpc_msg *)bp;
if (!nflag) {
snprintf(srcid, sizeof(srcid), "0x%x",
(u_int32_t)ntohl(rp->rm_xid));
strlcpy(dstid, "sunrpc", sizeof(dstid));
} else {
snprintf(srcid, sizeof(srcid), "0x%x",
(u_int32_t)ntohl(rp->rm_xid));
snprintf(dstid, sizeof(dstid), "0x%x", PMAPPORT);
}
switch (IP_V((struct ip *)bp2)) {
case 4:
ip = (struct ip *)bp2;
printf("%s.%s > %s.%s: %d",
ipaddr_string(&ip->ip_src), srcid,
ipaddr_string(&ip->ip_dst), dstid, length);
break;
#ifdef INET6
case 6:
ip6 = (struct ip6_hdr *)bp2;
printf("%s.%s > %s.%s: %d",
ip6addr_string(&ip6->ip6_src), srcid,
ip6addr_string(&ip6->ip6_dst), dstid, length);
break;
#endif
default:
printf("%s.%s > %s.%s: %d", "?", srcid, "?", dstid, length);
break;
}
printf(" %s", tok2str(proc2str, " proc #%u",
(u_int32_t)ntohl(rp->rm_call.cb_proc)));
x = ntohl(rp->rm_call.cb_rpcvers);
if (x != 2)
printf(" [rpcver %u]", x);
switch (ntohl(rp->rm_call.cb_proc)) {
case PMAPPROC_SET:
case PMAPPROC_UNSET:
case PMAPPROC_GETPORT:
case PMAPPROC_CALLIT:
x = ntohl(rp->rm_call.cb_prog);
if (!nflag)
printf(" %s", progstr(x));
else
printf(" %u", x);
printf(".%u", (u_int32_t)ntohl(rp->rm_call.cb_vers));
break;
}
}
static char *
progstr(prog)
u_int32_t prog;
{
register struct rpcent *rp;
static char buf[32];
static int lastprog = 0;
if (lastprog != 0 && prog == lastprog)
return (buf);
rp = getrpcbynumber(prog);
if (rp == NULL)
(void) snprintf(buf, sizeof(buf), "#%u", prog);
else
strlcpy(buf, rp->r_name, sizeof(buf));
return (buf);
}
|
