rpc.subproj/clnt_perror.c

   1 /*
   2  * Copyright (c) 1999-2018 Apple 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 1.4 2003/06/23 17:24:59 majka Exp $";
  57 #endif
  58
  59 /*
  60  * clnt_perror.c
  61  *
  62  * Copyright (C) 1984, Sun Microsystems, Inc.
  63  *
  64  */
  65 #include "libinfo_common.h"
  66
  67 #include <stdio.h>
  68 #include <stdlib.h>
  69 #include <string.h>
  70 #include <rpc/rpc.h>
  71 #include <rpc/types.h>
  72 #include <rpc/auth.h>
  73 #include <rpc/clnt.h>
  74
  75 static char *auth_errmsg();
  76
  77 static char *buf;
  78
  79 static char *
  80 _buf()
  81 {
  82
  83         if (buf == 0)
  84                 buf = (char *)malloc(256);
  85         return (buf);
  86 }
  87
  88 /*
  89  * Print reply error info
  90  */
  91 LIBINFO_EXPORT
  92 char *
  93 clnt_sperror(rpch, s)
  94         CLIENT *rpch;
  95         char *s;
  96 {
  97         struct rpc_err e;
  98         void clnt_perrno();
  99         char *err;
 100         char *str = _buf();
 101         char *strstart = str;
 102
 103         if (str == 0)
 104                 return (0);
 105         CLNT_GETERR(rpch, &e);
 106
 107         (void) sprintf(str, "%s: ", s);
 108         str += strlen(str);
 109
 110         (void) strcpy(str, clnt_sperrno(e.re_status));
 111         str += strlen(str);
 112
 113         switch (e.re_status) {
 114         case RPC_SUCCESS:
 115         case RPC_CANTENCODEARGS:
 116         case RPC_CANTDECODERES:
 117         case RPC_TIMEDOUT:
 118         case RPC_PROGUNAVAIL:
 119         case RPC_PROCUNAVAIL:
 120         case RPC_CANTDECODEARGS:
 121         case RPC_SYSTEMERROR:
 122         case RPC_UNKNOWNHOST:
 123         case RPC_UNKNOWNPROTO:
 124         case RPC_PMAPFAILURE:
 125         case RPC_PROGNOTREGISTERED:
 126         case RPC_FAILED:
 127                 break;
 128
 129         case RPC_CANTSEND:
 130         case RPC_CANTRECV:
 131                 (void) sprintf(str, "; errno = %s",
 132                     strerror(e.re_errno));
 133                 str += strlen(str);
 134                 break;
 135
 136         case RPC_VERSMISMATCH:
 137 #ifdef __LP64__
 138                 (void) sprintf(str, "; low version = %u, high version = %u", e.re_vers.low, e.re_vers.high);
 139 #else
 140                 (void) sprintf(str, "; low version = %lu, high version = %lu", e.re_vers.low, e.re_vers.high);
 141 #endif
 142                 str += strlen(str);
 143                 break;
 144
 145         case RPC_AUTHERROR:
 146                 err = auth_errmsg(e.re_why);
 147                 (void) sprintf(str,"; why = ");
 148                 str += strlen(str);
 149                 if (err != NULL) {
 150                         (void) sprintf(str, "%s",err);
 151                 } else {
 152                         (void) sprintf(str,
 153                                 "(unknown authentication error - %d)",
 154                                 (int) e.re_why);
 155                 }
 156                 str += strlen(str);
 157                 break;
 158
 159         case RPC_PROGVERSMISMATCH:
 160 #ifdef __LP64__
 161                 (void) sprintf(str, "; low version = %u, high version = %u",  e.re_vers.low, e.re_vers.high);
 162 #else
 163                 (void) sprintf(str, "; low version = %lu, high version = %lu",  e.re_vers.low, e.re_vers.high);
 164 #endif
 165                 str += strlen(str);
 166                 break;
 167
 168         default:        /* unknown */
 169 #ifdef __LP64__
 170                 (void) sprintf(str, "; s1 = %u, s2 = %u", e.re_lb.s1, e.re_lb.s2);
 171 #else
 172                 (void) sprintf(str, "; s1 = %lu, s2 = %lu", e.re_lb.s1, e.re_lb.s2);
 173 #endif
 174                 str += strlen(str);
 175                 break;
 176         }
 177         (void) sprintf(str, "\n");
 178         return(strstart) ;
 179 }
 180
 181 LIBINFO_EXPORT
 182 void
 183 clnt_perror(rpch, s)
 184         CLIENT *rpch;
 185         char *s;
 186 {
 187         (void) fprintf(stderr,"%s",clnt_sperror(rpch,s));
 188 }
 189
 190
 191 struct rpc_errtab {
 192         enum clnt_stat status;
 193         char *message;
 194 };
 195
 196 static struct rpc_errtab  rpc_errlist[] = {
 197         { RPC_SUCCESS,
 198                 "RPC: Success" },
 199         { RPC_CANTENCODEARGS,
 200                 "RPC: Can't encode arguments" },
 201         { RPC_CANTDECODERES,
 202                 "RPC: Can't decode result" },
 203         { RPC_CANTSEND,
 204                 "RPC: Unable to send" },
 205         { RPC_CANTRECV,
 206                 "RPC: Unable to receive" },
 207         { RPC_TIMEDOUT,
 208                 "RPC: Timed out" },
 209         { RPC_VERSMISMATCH,
 210                 "RPC: Incompatible versions of RPC" },
 211         { RPC_AUTHERROR,
 212                 "RPC: Authentication error" },
 213         { RPC_PROGUNAVAIL,
 214                 "RPC: Program unavailable" },
 215         { RPC_PROGVERSMISMATCH,
 216                 "RPC: Program/version mismatch" },
 217         { RPC_PROCUNAVAIL,
 218                 "RPC: Procedure unavailable" },
 219         { RPC_CANTDECODEARGS,
 220                 "RPC: Server can't decode arguments" },
 221         { RPC_SYSTEMERROR,
 222                 "RPC: Remote system error" },
 223         { RPC_UNKNOWNHOST,
 224                 "RPC: Unknown host" },
 225         { RPC_UNKNOWNPROTO,
 226                 "RPC: Unknown protocol" },
 227         { RPC_PMAPFAILURE,
 228                 "RPC: Port mapper failure" },
 229         { RPC_PROGNOTREGISTERED,
 230                 "RPC: Program not registered"},
 231         { RPC_FAILED,
 232                 "RPC: Failed (unspecified error)"}
 233 };
 234
 235
 236 /*
 237  * This interface for use by clntrpc
 238  */
 239 LIBINFO_EXPORT
 240 char *
 241 clnt_sperrno(stat)
 242         enum clnt_stat stat;
 243 {
 244         int i;
 245
 246         for (i = 0; i < sizeof(rpc_errlist)/sizeof(struct rpc_errtab); i++) {
 247                 if (rpc_errlist[i].status == stat) {
 248                         return (rpc_errlist[i].message);
 249                 }
 250         }
 251         return ("RPC: (unknown error code)");
 252 }
 253
 254 LIBINFO_EXPORT
 255 void
 256 clnt_perrno(num)
 257         enum clnt_stat num;
 258 {
 259         (void) fprintf(stderr,"%s",clnt_sperrno(num));
 260 }
 261
 262
 263 LIBINFO_EXPORT
 264 char *
 265 clnt_spcreateerror(s)
 266         char *s;
 267 {
 268         char *str = _buf();
 269
 270         if (str == 0)
 271                 return(0);
 272         (void) sprintf(str, "%s: ", s);
 273         (void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat));
 274         switch (rpc_createerr.cf_stat) {
 275         case RPC_PMAPFAILURE:
 276                 (void) strcat(str, " - ");
 277                 (void) strcat(str,
 278                     clnt_sperrno(rpc_createerr.cf_error.re_status));
 279                 break;
 280
 281         case RPC_SYSTEMERROR:
 282                 (void) strcat(str, " - ");
 283                 if (rpc_createerr.cf_error.re_errno > 0
 284                     && rpc_createerr.cf_error.re_errno < sys_nerr)
 285                         (void) strcat(str,
 286                             strerror(rpc_createerr.cf_error.re_errno));
 287                 else
 288                         (void) sprintf(&str[strlen(str)], "Error %d",
 289                             rpc_createerr.cf_error.re_errno);
 290                 break;
 291     default: break;
 292         }
 293         (void) strcat(str, "\n");
 294         return (str);
 295 }
 296
 297 LIBINFO_EXPORT
 298 void
 299 clnt_pcreateerror(s)
 300         char *s;
 301 {
 302         (void) fprintf(stderr,"%s",clnt_spcreateerror(s));
 303 }
 304
 305 struct auth_errtab {
 306         enum auth_stat status;
 307         char *message;
 308 };
 309
 310 static struct auth_errtab auth_errlist[] = {
 311         { AUTH_OK,
 312                 "Authentication OK" },
 313         { AUTH_BADCRED,
 314                 "Invalid client credential" },
 315         { AUTH_REJECTEDCRED,
 316                 "Server rejected credential" },
 317         { AUTH_BADVERF,
 318                 "Invalid client verifier" },
 319         { AUTH_REJECTEDVERF,
 320                 "Server rejected verifier" },
 321         { AUTH_TOOWEAK,
 322                 "Client credential too weak" },
 323         { AUTH_INVALIDRESP,
 324                 "Invalid server verifier" },
 325         { AUTH_FAILED,
 326                 "Failed (unspecified error)" },
 327 };
 328
 329 static char *
 330 auth_errmsg(stat)
 331         enum auth_stat stat;
 332 {
 333         int i;
 334
 335         for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) {
 336                 if (auth_errlist[i].status == stat) {
 337                         return(auth_errlist[i].message);
 338                 }
 339         }
 340         return(NULL);
 341 }