1/*	$OpenBSD: print-sunrpc.c,v 1.23 2023/09/06 05:54:07 jsg Exp $	*/
2
3/*
4 * Copyright (c) 1992, 1993, 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
24#include <sys/time.h>
25#include <sys/socket.h>
26
27#include <net/if.h>
28
29#include <netinet/in.h>
30#include <netinet/if_ether.h>
31#include <netinet/ip.h>
32#include <netinet/ip_var.h>
33
34#include <rpc/rpc.h>
35#ifdef HAVE_RPC_RPCENT_H
36#include <rpc/rpcent.h>
37#endif
38#include <rpc/pmap_prot.h>
39
40#include <ctype.h>
41#include <netdb.h>
42#include <stdio.h>
43#include <string.h>
44
45#include "interface.h"
46#include "addrtoname.h"
47#include "privsep.h"
48
49static struct tok proc2str[] = {
50	{ PMAPPROC_NULL,	"null" },
51	{ PMAPPROC_SET,		"set" },
52	{ PMAPPROC_UNSET,	"unset" },
53	{ PMAPPROC_GETPORT,	"getport" },
54	{ PMAPPROC_DUMP,	"dump" },
55	{ PMAPPROC_CALLIT,	"call" },
56	{ 0,			NULL }
57};
58
59/* Forwards */
60static char *progstr(u_int32_t);
61
62void
63sunrpcrequest_print(const u_char *bp, u_int length, const u_char *bp2)
64{
65	const struct rpc_msg *rp;
66	u_int32_t x;
67
68	rp = (struct rpc_msg *)bp;
69
70	printf("xid 0x%x %d", (u_int32_t)ntohl(rp->rm_xid), length);
71	printf(" %s", tok2str(proc2str, " proc #%u",
72	    (u_int32_t)ntohl(rp->rm_call.cb_proc)));
73	x = ntohl(rp->rm_call.cb_rpcvers);
74	if (x != 2)
75		printf(" [rpcver %u]", x);
76
77	switch (ntohl(rp->rm_call.cb_proc)) {
78
79	case PMAPPROC_SET:
80	case PMAPPROC_UNSET:
81	case PMAPPROC_GETPORT:
82	case PMAPPROC_CALLIT:
83		x = ntohl(rp->rm_call.cb_prog);
84		if (!nflag)
85			printf(" %s", progstr(x));
86		else
87			printf(" %u", x);
88		printf(".%u", (u_int32_t)ntohl(rp->rm_call.cb_vers));
89		break;
90	}
91}
92
93static char *
94progstr(u_int32_t prog)
95{
96	char progname[32];
97	static char buf[32];
98	static int lastprog = 0;
99
100	if (lastprog != 0 && prog == lastprog)
101		return (buf);
102	lastprog = prog;
103        if (priv_getrpcbynumber(prog, progname, sizeof(progname)) == 0)
104		snprintf(buf, sizeof(buf), "#%u", prog);
105	else
106		strlcpy(buf, progname, sizeof(buf));
107	return (buf);
108}
109