usr/src/uts/common/rpc/clnt_perr.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, 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 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
  28 /*        All Rights Reserved   */
  29
  30 /*
  31  * Portions of this source code were derived from Berkeley 4.3 BSD
  32  * under license from the Regents of the University of California.
  33  */
  34
  35 /*
  36  * clnt_perror.c
  37  */
  38 #include <sys/types.h>
  39 #include <sys/t_lock.h>
  40 #include <rpc/types.h>
  41 #include <rpc/auth.h>
  42 #include <rpc/clnt.h>
  43 #include <sys/systm.h>
  44 #include <sys/cmn_err.h>
  45 #include <sys/inttypes.h>
  46
  47 /*
  48  * Return an ascii string which matches the RPC clnt stat passed in.
  49  */
  50 const char *
  51 clnt_sperrno(const enum clnt_stat stat)
  52 {
  53         switch (stat) {
  54         case RPC_SUCCESS:
  55                 return ("RPC: Success");
  56         case RPC_CANTENCODEARGS:
  57                 return ("RPC: Can't encode arguments");
  58         case RPC_CANTDECODERES:
  59                 return ("RPC: Can't decode result");
  60         case RPC_CANTSEND:
  61                 return ("RPC: Unable to send");
  62         case RPC_CANTRECV:
  63                 return ("RPC: Unable to receive");
  64         case RPC_TIMEDOUT:
  65                 return ("RPC: Timed out");
  66         case RPC_INTR:
  67                 return ("RPC: Interrupted");
  68         case RPC_UDERROR:
  69                 return ("RPC: Unitdata error");
  70         case RPC_VERSMISMATCH:
  71                 return ("RPC: Incompatible versions of RPC");
  72         case RPC_AUTHERROR:
  73                 return ("RPC: Authentication error");
  74         case RPC_PROGUNAVAIL:
  75                 return ("RPC: Program unavailable");
  76         case RPC_PROGVERSMISMATCH:
  77                 return ("RPC: Program/version mismatch");
  78         case RPC_PROCUNAVAIL:
  79                 return ("RPC: Procedure unavailable");
  80         case RPC_CANTDECODEARGS:
  81                 return ("RPC: Server can't decode arguments");
  82         case RPC_SYSTEMERROR:
  83                 return ("RPC: Remote system error");
  84         case RPC_UNKNOWNHOST:
  85                 return ("RPC: Unknown host");
  86         case RPC_UNKNOWNPROTO:
  87                 return ("RPC: Unknown protocol");
  88         case RPC_UNKNOWNADDR:
  89                 return ("RPC: Remote address unknown");
  90         case RPC_NOBROADCAST:
  91                 return ("RPC: Broadcasting not supported");
  92         case RPC_PMAPFAILURE:
  93                 return ("RPC: Port mapper failure");
  94         case RPC_PROGNOTREGISTERED:
  95                 return ("RPC: Program not registered");
  96         case RPC_N2AXLATEFAILURE:
  97                 return ("RPC: Name to address translation failed");
  98         case RPC_TLIERROR:
  99                 return ("RPC: TLI error");
 100         case RPC_FAILED:
 101                 return ("RPC: Failed (unspecified error)");
 102         case RPC_INPROGRESS:
 103                 return ("RPC: Operation in progress");
 104         case RPC_STALERACHANDLE:
 105                 return ("RPC: Stale RAC handle");
 106         case RPC_CANTCONNECT:
 107                 return ("RPC: Couldn't make connection");
 108         case RPC_XPRTFAILED:
 109                 return ("RPC: Received disconnect from remote");
 110         case RPC_CANTCREATESTREAM:
 111                 return ("RPC: Can't push RPC module");
 112         case RPC_CANTSTORE:
 113                 return ("RPC: Can't store pending message");
 114         }
 115         return ("RPC: (unknown error code)");
 116 }
 117
 118 /*
 119  * Return string reply error info. For use after clnt_call().
 120  * It allocates the  buffer of size MAXPATHLEN and assumes
 121  * caller's responsibility to free the memory after use.
 122  */
 123 char *
 124 clnt_sperror(const CLIENT *cl, const char *s)
 125 {
 126         struct rpc_err e;
 127 #ifdef notyet
 128         char *err;
 129 #endif
 130         char *str;
 131         char *strstart;
 132
 133         str = kmem_alloc(MAXPATHLEN, KM_SLEEP);
 134         strstart = str;
 135
 136         CLNT_GETERR((CLIENT *) cl, &e);
 137
 138         (void) sprintf(str, "%s: ", s);
 139         str += strlen(str);
 140
 141         (void) strcpy(str, clnt_sperrno(e.re_status));
 142         str += strlen(str);
 143
 144         switch (e.re_status) {
 145         case RPC_SUCCESS:
 146         case RPC_CANTENCODEARGS:
 147         case RPC_CANTDECODERES:
 148         case RPC_TIMEDOUT:
 149         case RPC_PROGUNAVAIL:
 150         case RPC_PROCUNAVAIL:
 151         case RPC_CANTDECODEARGS:
 152         case RPC_SYSTEMERROR:
 153         case RPC_UNKNOWNHOST:
 154         case RPC_UNKNOWNPROTO:
 155         case RPC_UNKNOWNADDR:
 156         case RPC_NOBROADCAST:
 157         case RPC_RPCBFAILURE:
 158         case RPC_PROGNOTREGISTERED:
 159         case RPC_FAILED:
 160         case RPC_INPROGRESS:
 161                 break;
 162
 163 #ifdef notyet
 164         case RPC_N2AXLATEFAILURE:
 165                 (void) sprintf(str, "; %s", netdir_sperror());
 166                 break;
 167 #endif
 168
 169         case RPC_TLIERROR:
 170 #ifdef notyet
 171                 (void) sprintf(str, "; %s", t_errlist[e.re_terrno]);
 172 #else
 173                 (void) sprintf(str, "; %d", e.re_terrno);
 174 #endif
 175                 str += strlen(str);
 176                 if (e.re_errno) {
 177 #ifdef notyet
 178                         (void) sprintf(str, "; %s", strerror(e.re_errno));
 179 #else
 180                         (void) sprintf(str, "; %d", e.re_errno);
 181 #endif
 182                 }
 183                 break;
 184
 185         case RPC_CANTSEND:
 186         case RPC_CANTRECV:
 187                 if (e.re_errno) {
 188 #ifdef notyet
 189                         (void) sprintf(str, "; errno = %s",
 190                             strerror(e.re_errno));
 191 #else
 192                         (void) sprintf(str, "; errno = %d", e.re_errno);
 193 #endif
 194                         str += strlen(str);
 195                 }
 196                 if (e.re_terrno) {
 197 #ifdef notyet
 198                         (void) sprintf(str, "; %s", t_errlist[e.re_terrno]);
 199 #else
 200                         (void) sprintf(str, "; %d", e.re_terrno);
 201 #endif
 202                 }
 203                 break;
 204
 205         case RPC_VERSMISMATCH:
 206                 (void) sprintf(str,
 207                     "; low version = %" PRIu32 ", high version = %" PRIu32,
 208                     e.re_vers.low, e.re_vers.high);
 209                 break;
 210
 211 #ifdef notyet
 212         case RPC_AUTHERROR:
 213                 err = auth_errmsg(e.re_why);
 214                 (void) sprintf(str, "; why = ");
 215                 str += strlen(str);
 216                 if (err != NULL) {
 217                         (void) sprintf(str, "%s", err);
 218                 } else {
 219                         (void) sprintf(str,
 220                             "(unknown authentication error - %d)",
 221                             (int)e.re_why);
 222                 }
 223                 break;
 224 #endif
 225
 226         case RPC_PROGVERSMISMATCH:
 227                 (void) sprintf(str,
 228                     "; low version = %" PRIu32 ", high version = %" PRIu32,
 229                     e.re_vers.low, e.re_vers.high);
 230                 break;
 231
 232         default:        /* unknown */
 233                 (void) sprintf(str, "; s1 = %" PRIu32 ", s2 = %" PRIu32,
 234                     e.re_lb.s1, e.re_lb.s2);
 235                 break;
 236         }
 237         return (strstart);
 238 }