rpc.subproj/clnt_perror.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
  27  * unrestricted use provided that this legend is included on all tape
  28  * media and as a part of the software program in whole or part.  Users
  29  * may copy or modify Sun RPC without charge, but are not authorized
  30  * to license or distribute it to anyone else except as part of a product or
  31  * program developed by the user.
  32  *
  33  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  34  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  35  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  36  *
  37  * Sun RPC is provided with no support and without any obligation on the
  38  * part of Sun Microsystems, Inc. to assist in its use, correction,
  39  * modification or enhancement.
  40  *
  41  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  42  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  43  * OR ANY PART THEREOF.
  44  *
  45  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  46  * or profits or other special, indirect and consequential damages, even if
  47  * Sun has been advised of the possibility of such damages.
  48  *
  49  * Sun Microsystems, Inc.
  50  * 2550 Garcia Avenue
  51  * Mountain View, California  94043
  52  */
  53
  54 #if defined(LIBC_SCCS) && !defined(lint)
  55 /*static char *sccsid = "from: @(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";*/
  56 /*static char *sccsid = "from: @(#)clnt_perror.c        2.1 88/07/29 4.0 RPCSRC";*/
  57 static char *rcsid = "$Id: clnt_perror.c,v 1.4 2003/06/23 17:24:59 majka Exp $";
  58 #endif
  59
  60 /*
  61  * clnt_perror.c
  62  *
  63  * Copyright (C) 1984, Sun Microsystems, Inc.
  64  *
  65  */
  66 #include <stdio.h>
  67 #include <stdlib.h>
  68 #include <string.h>
  69 #include <rpc/rpc.h>
  70 #include <rpc/types.h>
  71 #include <rpc/auth.h>
  72 #include <rpc/clnt.h>
  73
  74 static char *auth_errmsg();
  75
  76 static char *buf;
  77
  78 static char *
  79 _buf()
  80 {
  81
  82         if (buf == 0)
  83                 buf = (char *)malloc(256);
  84         return (buf);
  85 }
  86
  87 /*
  88  * Print reply error info
  89  */
  90 char *
  91 clnt_sperror(rpch, s)
  92         CLIENT *rpch;
  93         char *s;
  94 {
  95         struct rpc_err e;
  96         void clnt_perrno();
  97         char *err;
  98         char *str = _buf();
  99         char *strstart = str;
 100
 101         if (str == 0)
 102                 return (0);
 103         CLNT_GETERR(rpch, &e);
 104
 105         (void) sprintf(str, "%s: ", s);
 106         str += strlen(str);
 107
 108         (void) strcpy(str, clnt_sperrno(e.re_status));
 109         str += strlen(str);
 110
 111         switch (e.re_status) {
 112         case RPC_SUCCESS:
 113         case RPC_CANTENCODEARGS:
 114         case RPC_CANTDECODERES:
 115         case RPC_TIMEDOUT:
 116         case RPC_PROGUNAVAIL:
 117         case RPC_PROCUNAVAIL:
 118         case RPC_CANTDECODEARGS:
 119         case RPC_SYSTEMERROR:
 120         case RPC_UNKNOWNHOST:
 121         case RPC_UNKNOWNPROTO:
 122         case RPC_PMAPFAILURE:
 123         case RPC_PROGNOTREGISTERED:
 124         case RPC_FAILED:
 125                 break;
 126
 127         case RPC_CANTSEND:
 128         case RPC_CANTRECV:
 129                 (void) sprintf(str, "; errno = %s",
 130                     strerror(e.re_errno));
 131                 str += strlen(str);
 132                 break;
 133
 134         case RPC_VERSMISMATCH:
 135                 (void) sprintf(str,
 136                         "; low version = %lu, high version = %lu",
 137                         e.re_vers.low, e.re_vers.high);
 138                 str += strlen(str);
 139                 break;
 140
 141         case RPC_AUTHERROR:
 142                 err = auth_errmsg(e.re_why);
 143                 (void) sprintf(str,"; why = ");
 144                 str += strlen(str);
 145                 if (err != NULL) {
 146                         (void) sprintf(str, "%s",err);
 147                 } else {
 148                         (void) sprintf(str,
 149                                 "(unknown authentication error - %d)",
 150                                 (int) e.re_why);
 151                 }
 152                 str += strlen(str);
 153                 break;
 154
 155         case RPC_PROGVERSMISMATCH:
 156                 (void) sprintf(str,
 157                         "; low version = %lu, high version = %lu",
 158                         e.re_vers.low, e.re_vers.high);
 159                 str += strlen(str);
 160                 break;
 161
 162         default:        /* unknown */
 163                 (void) sprintf(str,
 164                         "; s1 = %lu, s2 = %lu",
 165                         e.re_lb.s1, e.re_lb.s2);
 166                 str += strlen(str);
 167                 break;
 168         }
 169         (void) sprintf(str, "\n");
 170         return(strstart) ;
 171 }
 172
 173 void
 174 clnt_perror(rpch, s)
 175         CLIENT *rpch;
 176         char *s;
 177 {
 178         (void) fprintf(stderr,"%s",clnt_sperror(rpch,s));
 179 }
 180
 181
 182 struct rpc_errtab {
 183         enum clnt_stat status;
 184         char *message;
 185 };
 186
 187 static struct rpc_errtab  rpc_errlist[] = {
 188         { RPC_SUCCESS,
 189                 "RPC: Success" },
 190         { RPC_CANTENCODEARGS,
 191                 "RPC: Can't encode arguments" },
 192         { RPC_CANTDECODERES,
 193                 "RPC: Can't decode result" },
 194         { RPC_CANTSEND,
 195                 "RPC: Unable to send" },
 196         { RPC_CANTRECV,
 197                 "RPC: Unable to receive" },
 198         { RPC_TIMEDOUT,
 199                 "RPC: Timed out" },
 200         { RPC_VERSMISMATCH,
 201                 "RPC: Incompatible versions of RPC" },
 202         { RPC_AUTHERROR,
 203                 "RPC: Authentication error" },
 204         { RPC_PROGUNAVAIL,
 205                 "RPC: Program unavailable" },
 206         { RPC_PROGVERSMISMATCH,
 207                 "RPC: Program/version mismatch" },
 208         { RPC_PROCUNAVAIL,
 209                 "RPC: Procedure unavailable" },
 210         { RPC_CANTDECODEARGS,
 211                 "RPC: Server can't decode arguments" },
 212         { RPC_SYSTEMERROR,
 213                 "RPC: Remote system error" },
 214         { RPC_UNKNOWNHOST,
 215                 "RPC: Unknown host" },
 216         { RPC_UNKNOWNPROTO,
 217                 "RPC: Unknown protocol" },
 218         { RPC_PMAPFAILURE,
 219                 "RPC: Port mapper failure" },
 220         { RPC_PROGNOTREGISTERED,
 221                 "RPC: Program not registered"},
 222         { RPC_FAILED,
 223                 "RPC: Failed (unspecified error)"}
 224 };
 225
 226
 227 /*
 228  * This interface for use by clntrpc
 229  */
 230 char *
 231 clnt_sperrno(stat)
 232         enum clnt_stat stat;
 233 {
 234         int i;
 235
 236         for (i = 0; i < sizeof(rpc_errlist)/sizeof(struct rpc_errtab); i++) {
 237                 if (rpc_errlist[i].status == stat) {
 238                         return (rpc_errlist[i].message);
 239                 }
 240         }
 241         return ("RPC: (unknown error code)");
 242 }
 243
 244 void
 245 clnt_perrno(num)
 246         enum clnt_stat num;
 247 {
 248         (void) fprintf(stderr,"%s",clnt_sperrno(num));
 249 }
 250
 251
 252 char *
 253 clnt_spcreateerror(s)
 254         char *s;
 255 {
 256         char *str = _buf();
 257
 258         if (str == 0)
 259                 return(0);
 260         (void) sprintf(str, "%s: ", s);
 261         (void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat));
 262         switch (rpc_createerr.cf_stat) {
 263         case RPC_PMAPFAILURE:
 264                 (void) strcat(str, " - ");
 265                 (void) strcat(str,
 266                     clnt_sperrno(rpc_createerr.cf_error.re_status));
 267                 break;
 268
 269         case RPC_SYSTEMERROR:
 270                 (void) strcat(str, " - ");
 271                 if (rpc_createerr.cf_error.re_errno > 0
 272                     && rpc_createerr.cf_error.re_errno < sys_nerr)
 273                         (void) strcat(str,
 274                             strerror(rpc_createerr.cf_error.re_errno));
 275                 else
 276                         (void) sprintf(&str[strlen(str)], "Error %d",
 277                             rpc_createerr.cf_error.re_errno);
 278                 break;
 279     default: break;
 280         }
 281         (void) strcat(str, "\n");
 282         return (str);
 283 }
 284
 285 void
 286 clnt_pcreateerror(s)
 287         char *s;
 288 {
 289         (void) fprintf(stderr,"%s",clnt_spcreateerror(s));
 290 }
 291
 292 struct auth_errtab {
 293         enum auth_stat status;
 294         char *message;
 295 };
 296
 297 static struct auth_errtab auth_errlist[] = {
 298         { AUTH_OK,
 299                 "Authentication OK" },
 300         { AUTH_BADCRED,
 301                 "Invalid client credential" },
 302         { AUTH_REJECTEDCRED,
 303                 "Server rejected credential" },
 304         { AUTH_BADVERF,
 305                 "Invalid client verifier" },
 306         { AUTH_REJECTEDVERF,
 307                 "Server rejected verifier" },
 308         { AUTH_TOOWEAK,
 309                 "Client credential too weak" },
 310         { AUTH_INVALIDRESP,
 311                 "Invalid server verifier" },
 312         { AUTH_FAILED,
 313                 "Failed (unspecified error)" },
 314 };
 315
 316 static char *
 317 auth_errmsg(stat)
 318         enum auth_stat stat;
 319 {
 320         int i;
 321
 322         for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) {
 323                 if (auth_errlist[i].status == stat) {
 324                         return(auth_errlist[i].message);
 325                 }
 326         }
 327         return(NULL);
 328 }