rpc.subproj/clnt_perror.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.1 (the "License").  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License.
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*
  25  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
  26  * unrestricted use provided that this legend is included on all tape
  27  * media and as a part of the software program in whole or part.  Users
  28  * may copy or modify Sun RPC without charge, but are not authorized
  29  * to license or distribute it to anyone else except as part of a product or
  30  * program developed by the user.
  31  *
  32  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  33  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  34  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  35  *
  36  * Sun RPC is provided with no support and without any obligation on the
  37  * part of Sun Microsystems, Inc. to assist in its use, correction,
  38  * modification or enhancement.
  39  *
  40  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  41  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  42  * OR ANY PART THEREOF.
  43  *
  44  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  45  * or profits or other special, indirect and consequential damages, even if
  46  * Sun has been advised of the possibility of such damages.
  47  *
  48  * Sun Microsystems, Inc.
  49  * 2550 Garcia Avenue
  50  * Mountain View, California  94043
  51  */
  52
  53 #if defined(LIBC_SCCS) && !defined(lint)
  54 /*static char *sccsid = "from: @(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";*/
  55 /*static char *sccsid = "from: @(#)clnt_perror.c        2.1 88/07/29 4.0 RPCSRC";*/
  56 static char *rcsid = "$Id: clnt_perror.c,v 1.3 2002/02/19 20:36:22 epeyton Exp $";
  57 #endif
  58
  59 /*
  60  * clnt_perror.c
  61  *
  62  * Copyright (C) 1984, Sun Microsystems, Inc.
  63  *
  64  */
  65 #include <stdio.h>
  66 #include <stdlib.h>
  67 #include <string.h>
  68 #include <rpc/rpc.h>
  69 #include <rpc/types.h>
  70 #include <rpc/auth.h>
  71 #include <rpc/clnt.h>
  72
  73 static char *auth_errmsg();
  74
  75 static char *buf;
  76
  77 static char *
  78 _buf()
  79 {
  80
  81         if (buf == 0)
  82                 buf = (char *)malloc(256);
  83         return (buf);
  84 }
  85
  86 /*
  87  * Print reply error info
  88  */
  89 char *
  90 clnt_sperror(rpch, s)
  91         CLIENT *rpch;
  92         char *s;
  93 {
  94         struct rpc_err e;
  95         void clnt_perrno();
  96         char *err;
  97         char *str = _buf();
  98         char *strstart = str;
  99
 100         if (str == 0)
 101                 return (0);
 102         CLNT_GETERR(rpch, &e);
 103
 104         (void) sprintf(str, "%s: ", s);
 105         str += strlen(str);
 106
 107         (void) strcpy(str, clnt_sperrno(e.re_status));
 108         str += strlen(str);
 109
 110         switch (e.re_status) {
 111         case RPC_SUCCESS:
 112         case RPC_CANTENCODEARGS:
 113         case RPC_CANTDECODERES:
 114         case RPC_TIMEDOUT:
 115         case RPC_PROGUNAVAIL:
 116         case RPC_PROCUNAVAIL:
 117         case RPC_CANTDECODEARGS:
 118         case RPC_SYSTEMERROR:
 119         case RPC_UNKNOWNHOST:
 120         case RPC_UNKNOWNPROTO:
 121         case RPC_PMAPFAILURE:
 122         case RPC_PROGNOTREGISTERED:
 123         case RPC_FAILED:
 124                 break;
 125
 126         case RPC_CANTSEND:
 127         case RPC_CANTRECV:
 128                 (void) sprintf(str, "; errno = %s",
 129                     strerror(e.re_errno));
 130                 str += strlen(str);
 131                 break;
 132
 133         case RPC_VERSMISMATCH:
 134                 (void) sprintf(str,
 135                         "; low version = %lu, high version = %lu",
 136                         e.re_vers.low, e.re_vers.high);
 137                 str += strlen(str);
 138                 break;
 139
 140         case RPC_AUTHERROR:
 141                 err = auth_errmsg(e.re_why);
 142                 (void) sprintf(str,"; why = ");
 143                 str += strlen(str);
 144                 if (err != NULL) {
 145                         (void) sprintf(str, "%s",err);
 146                 } else {
 147                         (void) sprintf(str,
 148                                 "(unknown authentication error - %d)",
 149                                 (int) e.re_why);
 150                 }
 151                 str += strlen(str);
 152                 break;
 153
 154         case RPC_PROGVERSMISMATCH:
 155                 (void) sprintf(str,
 156                         "; low version = %lu, high version = %lu",
 157                         e.re_vers.low, e.re_vers.high);
 158                 str += strlen(str);
 159                 break;
 160
 161         default:        /* unknown */
 162                 (void) sprintf(str,
 163                         "; s1 = %lu, s2 = %lu",
 164                         e.re_lb.s1, e.re_lb.s2);
 165                 str += strlen(str);
 166                 break;
 167         }
 168         (void) sprintf(str, "\n");
 169         return(strstart) ;
 170 }
 171
 172 void
 173 clnt_perror(rpch, s)
 174         CLIENT *rpch;
 175         char *s;
 176 {
 177         (void) fprintf(stderr,"%s",clnt_sperror(rpch,s));
 178 }
 179
 180
 181 struct rpc_errtab {
 182         enum clnt_stat status;
 183         char *message;
 184 };
 185
 186 static struct rpc_errtab  rpc_errlist[] = {
 187         { RPC_SUCCESS,
 188                 "RPC: Success" },
 189         { RPC_CANTENCODEARGS,
 190                 "RPC: Can't encode arguments" },
 191         { RPC_CANTDECODERES,
 192                 "RPC: Can't decode result" },
 193         { RPC_CANTSEND,
 194                 "RPC: Unable to send" },
 195         { RPC_CANTRECV,
 196                 "RPC: Unable to receive" },
 197         { RPC_TIMEDOUT,
 198                 "RPC: Timed out" },
 199         { RPC_VERSMISMATCH,
 200                 "RPC: Incompatible versions of RPC" },
 201         { RPC_AUTHERROR,
 202                 "RPC: Authentication error" },
 203         { RPC_PROGUNAVAIL,
 204                 "RPC: Program unavailable" },
 205         { RPC_PROGVERSMISMATCH,
 206                 "RPC: Program/version mismatch" },
 207         { RPC_PROCUNAVAIL,
 208                 "RPC: Procedure unavailable" },
 209         { RPC_CANTDECODEARGS,
 210                 "RPC: Server can't decode arguments" },
 211         { RPC_SYSTEMERROR,
 212                 "RPC: Remote system error" },
 213         { RPC_UNKNOWNHOST,
 214                 "RPC: Unknown host" },
 215         { RPC_UNKNOWNPROTO,
 216                 "RPC: Unknown protocol" },
 217         { RPC_PMAPFAILURE,
 218                 "RPC: Port mapper failure" },
 219         { RPC_PROGNOTREGISTERED,
 220                 "RPC: Program not registered"},
 221         { RPC_FAILED,
 222                 "RPC: Failed (unspecified error)"}
 223 };
 224
 225
 226 /*
 227  * This interface for use by clntrpc
 228  */
 229 char *
 230 clnt_sperrno(stat)
 231         enum clnt_stat stat;
 232 {
 233         int i;
 234
 235         for (i = 0; i < sizeof(rpc_errlist)/sizeof(struct rpc_errtab); i++) {
 236                 if (rpc_errlist[i].status == stat) {
 237                         return (rpc_errlist[i].message);
 238                 }
 239         }
 240         return ("RPC: (unknown error code)");
 241 }
 242
 243 void
 244 clnt_perrno(num)
 245         enum clnt_stat num;
 246 {
 247         (void) fprintf(stderr,"%s",clnt_sperrno(num));
 248 }
 249
 250
 251 char *
 252 clnt_spcreateerror(s)
 253         char *s;
 254 {
 255         char *str = _buf();
 256
 257         if (str == 0)
 258                 return(0);
 259         (void) sprintf(str, "%s: ", s);
 260         (void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat));
 261         switch (rpc_createerr.cf_stat) {
 262         case RPC_PMAPFAILURE:
 263                 (void) strcat(str, " - ");
 264                 (void) strcat(str,
 265                     clnt_sperrno(rpc_createerr.cf_error.re_status));
 266                 break;
 267
 268         case RPC_SYSTEMERROR:
 269                 (void) strcat(str, " - ");
 270                 if (rpc_createerr.cf_error.re_errno > 0
 271                     && rpc_createerr.cf_error.re_errno < sys_nerr)
 272                         (void) strcat(str,
 273                             strerror(rpc_createerr.cf_error.re_errno));
 274                 else
 275                         (void) sprintf(&str[strlen(str)], "Error %d",
 276                             rpc_createerr.cf_error.re_errno);
 277                 break;
 278         }
 279         (void) strcat(str, "\n");
 280         return (str);
 281 }
 282
 283 void
 284 clnt_pcreateerror(s)
 285         char *s;
 286 {
 287         (void) fprintf(stderr,"%s",clnt_spcreateerror(s));
 288 }
 289
 290 struct auth_errtab {
 291         enum auth_stat status;
 292         char *message;
 293 };
 294
 295 static struct auth_errtab auth_errlist[] = {
 296         { AUTH_OK,
 297                 "Authentication OK" },
 298         { AUTH_BADCRED,
 299                 "Invalid client credential" },
 300         { AUTH_REJECTEDCRED,
 301                 "Server rejected credential" },
 302         { AUTH_BADVERF,
 303                 "Invalid client verifier" },
 304         { AUTH_REJECTEDVERF,
 305                 "Server rejected verifier" },
 306         { AUTH_TOOWEAK,
 307                 "Client credential too weak" },
 308         { AUTH_INVALIDRESP,
 309                 "Invalid server verifier" },
 310         { AUTH_FAILED,
 311                 "Failed (unspecified error)" },
 312 };
 313
 314 static char *
 315 auth_errmsg(stat)
 316         enum auth_stat stat;
 317 {
 318         int i;
 319
 320         for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) {
 321                 if (auth_errlist[i].status == stat) {
 322                         return(auth_errlist[i].message);
 323                 }
 324         }
 325         return(NULL);
 326 }