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      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, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*
     23  * Copyright 1991-2001, 2003 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #include <string.h>
     30 #include <sys/types.h>
     31 #include <sys/tiuser.h>
     32 #include <rpc/types.h>
     33 #include <rpc/xdr.h>
     34 #include <rpc/auth.h>
     35 #include <rpc/clnt.h>
     36 #include <rpc/rpc_msg.h>
     37 #include "snoop.h"
     38 
     39 #define	RPC_TRANSIENT_START	0x40000000
     40 #define	RPC_TRANSIENT_END	0x5fffffff
     41 
     42 int rpcsec_gss_control_proc(int type, int flags, int xid);
     43 
     44 int rpcsec_gss_pre_proto(int type, int flags, int xid,
     45 				int prog, int vers, int proc);
     46 
     47 void rpcsec_gss_post_proto(int flags, int xid);
     48 
     49 void
     50 protoprint(flags, type, xid, prog, vers, proc, data, len)
     51 	ulong_t xid;
     52 	int flags, type, prog, vers, proc;
     53 	char *data;
     54 	int len;
     55 {
     56 	char *name;
     57 	void (*interpreter)(int, int, int, int, int, char *, int);
     58 
     59 	switch (prog) {
     60 	case 100000:	interpreter = interpret_pmap;		break;
     61 	case 100001:	interpreter = interpret_rstat;		break;
     62 	case 100003:	interpreter = interpret_nfs;		break;
     63 	case 100004:	interpreter = interpret_nis;		break;
     64 	case 100005:	interpreter = interpret_mount;		break;
     65 	case 100007:	interpreter = interpret_nisbind;	break;
     66 	case 100011:	interpreter = interpret_rquota;		break;
     67 	case 100021:	interpreter = interpret_nlm;		break;
     68 	case 100026:	interpreter = interpret_bparam;		break;
     69 	case 100227:	interpreter = interpret_nfs_acl;	break;
     70 	case 100300:	interpreter = interpret_nisplus;	break;
     71 	case 100302:	interpreter = interpret_nisp_cb;	break;
     72 	case 150006:	interpreter = interpret_solarnet_fw;	break;
     73 	default:	interpreter = NULL;
     74 	}
     75 
     76 	/*
     77 	 * if rpc in transient range and proc is 0 or 1, then
     78 	 * guess that it is the nfsv4 callback protocol
     79 	 */
     80 	if (prog >= RPC_TRANSIENT_START && prog <= RPC_TRANSIENT_END &&
     81 	    (proc == 0 || proc == 1))
     82 		interpreter = interpret_nfs4_cb;
     83 
     84 	/*
     85 	 *  If the RPC header indicates it's using the RPCSEC_GSS_*
     86 	 *  control procedure, print it.
     87 	 */
     88 	if (rpcsec_gss_control_proc(type, flags, xid)) {
     89 			return;
     90 	}
     91 
     92 	if (interpreter == NULL) {
     93 		if (!(flags & F_SUM))
     94 			return;
     95 		name = nameof_prog(prog);
     96 		if (*name == '?' || strcmp(name, "transient") == 0)
     97 			return;
     98 		(void) sprintf(get_sum_line(), "%s %c",
     99 			name,
    100 			type == CALL ? 'C' : 'R');
    101 	} else {
    102 		/* Pre-processing based on different RPCSEC_GSS services. */
    103 		if (rpcsec_gss_pre_proto(type, flags, xid, prog, vers, proc))
    104 			return;
    105 
    106 		(*interpreter) (flags, type, xid, vers, proc, data, len);
    107 
    108 		/* Post-processing based on different RPCSEC_GSS services. */
    109 		rpcsec_gss_post_proto(flags, xid);
    110 	}
    111 }
    112