1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#include <string.h>
27#include <sys/types.h>
28#include <sys/tiuser.h>
29#include <rpc/types.h>
30#include <rpc/xdr.h>
31#include <rpc/auth.h>
32#include <rpc/clnt.h>
33#include <rpc/rpc_msg.h>
34#include "snoop.h"
35
36#define	RPC_TRANSIENT_START	0x40000000
37#define	RPC_TRANSIENT_END	0x5fffffff
38
39int rpcsec_gss_control_proc(int type, int flags, int xid);
40
41int rpcsec_gss_pre_proto(int type, int flags, int xid,
42				int prog, int vers, int proc);
43
44void rpcsec_gss_post_proto(int flags, int xid);
45
46void
47protoprint(flags, type, xid, prog, vers, proc, data, len)
48	ulong_t xid;
49	int flags, type, prog, vers, proc;
50	char *data;
51	int len;
52{
53	char *name;
54	void (*interpreter)(int, int, int, int, int, char *, int);
55
56	switch (prog) {
57	case 100000:	interpreter = interpret_pmap;		break;
58	case 100001:	interpreter = interpret_rstat;		break;
59	case 100003:	interpreter = interpret_nfs;		break;
60	case 100004:	interpreter = interpret_nis;		break;
61	case 100005:	interpreter = interpret_mount;		break;
62	case 100007:	interpreter = interpret_nisbind;	break;
63	case 100011:	interpreter = interpret_rquota;		break;
64	case 100021:	interpreter = interpret_nlm;		break;
65	case 100026:	interpreter = interpret_bparam;		break;
66	case 100227:	interpreter = interpret_nfs_acl;	break;
67	case 150006:	interpreter = interpret_solarnet_fw;	break;
68	default:	interpreter = NULL;
69	}
70
71	/*
72	 * if rpc in transient range and proc is 0 or 1, then
73	 * guess that it is the nfsv4 callback protocol
74	 */
75	if (prog >= RPC_TRANSIENT_START && prog <= RPC_TRANSIENT_END &&
76	    (proc == 0 || proc == 1))
77		interpreter = interpret_nfs4_cb;
78
79	/*
80	 *  If the RPC header indicates it's using the RPCSEC_GSS_*
81	 *  control procedure, print it.
82	 */
83	if (rpcsec_gss_control_proc(type, flags, xid)) {
84			return;
85	}
86
87	if (interpreter == NULL) {
88		if (!(flags & F_SUM))
89			return;
90		name = nameof_prog(prog);
91		if (*name == '?' || strcmp(name, "transient") == 0)
92			return;
93		(void) sprintf(get_sum_line(), "%s %c",
94			name,
95			type == CALL ? 'C' : 'R');
96	} else {
97		/* Pre-processing based on different RPCSEC_GSS services. */
98		if (rpcsec_gss_pre_proto(type, flags, xid, prog, vers, proc))
99			return;
100
101		(*interpreter) (flags, type, xid, vers, proc, data, len);
102
103		/* Post-processing based on different RPCSEC_GSS services. */
104		rpcsec_gss_post_proto(flags, xid);
105	}
106}
107