usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_rpcprint.c

   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
  39 int rpcsec_gss_control_proc(int type, int flags, int xid);
  40
  41 int rpcsec_gss_pre_proto(int type, int flags, int xid,
  42                                 int prog, int vers, int proc);
  43
  44 void rpcsec_gss_post_proto(int flags, int xid);
  45
  46 void
  47 protoprint(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 }