sunrpc/clnt_perr.c

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