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 #include <string.h>
  42 #include <rpc/types.h>
  43 #include <rpc/auth.h>
  44 #include <rpc/clnt.h>
  45
  46 #ifdef USE_IN_LIBIO
  47 # include <libio/iolibio.h>
  48 # define fputs(s, f) _IO_fputs (s, f)
  49 #endif
  50
  51 static char *auth_errmsg (enum auth_stat stat) internal_function;
  52
  53 static char *buf;
  54
  55 static char *
  56 _buf (void)
  57 {
  58   if (buf == NULL)
  59     buf = (char *) malloc (256);
  60   return buf;
  61 }
  62
  63 /*
  64  * Print reply error info
  65  */
  66 char *
  67 clnt_sperror (CLIENT * rpch, const char *msg)
  68 {
  69   char buf[1024];
  70   struct rpc_err e;
  71   char *err;
  72   char *str = _buf ();
  73   char *strstart = str;
  74   int len;
  75
  76   if (str == NULL)
  77     return NULL;
  78   CLNT_GETERR (rpch, &e);
  79
  80   len = sprintf (str, "%s: ", msg);
  81   str += len;
  82
  83   str = stpcpy (str, clnt_sperrno (e.re_status));
  84
  85   switch (e.re_status)
  86     {
  87     case RPC_SUCCESS:
  88     case RPC_CANTENCODEARGS:
  89     case RPC_CANTDECODERES:
  90     case RPC_TIMEDOUT:
  91     case RPC_PROGUNAVAIL:
  92     case RPC_PROCUNAVAIL:
  93     case RPC_CANTDECODEARGS:
  94     case RPC_SYSTEMERROR:
  95     case RPC_UNKNOWNHOST:
  96     case RPC_UNKNOWNPROTO:
  97     case RPC_PMAPFAILURE:
  98     case RPC_PROGNOTREGISTERED:
  99     case RPC_FAILED:
 100       break;
 101
 102     case RPC_CANTSEND:
 103     case RPC_CANTRECV:
 104       len = sprintf (str, "; errno = %s", __strerror_r (e.re_errno,
 105                                                         buf, sizeof buf));
 106       str += len;
 107       break;
 108
 109     case RPC_VERSMISMATCH:
 110       len= sprintf (str, _("; low version = %lu, high version = %lu"),
 111                     e.re_vers.low, e.re_vers.high);
 112       str += len;
 113       break;
 114
 115     case RPC_AUTHERROR:
 116       err = auth_errmsg (e.re_why);
 117       str = stpcpy (str, _ ("; why = "));
 118       if (err != NULL)
 119         {
 120           str = stpcpy (str, err);
 121         }
 122       else
 123         {
 124           len = sprintf (str, _("(unknown authentication error - %d)"),
 125                          (int) e.re_why);
 126           str += len;
 127         }
 128       break;
 129
 130     case RPC_PROGVERSMISMATCH:
 131       len = sprintf (str, _("; low version = %lu, high version = %lu"),
 132                      e.re_vers.low, e.re_vers.high);
 133       str += len;
 134       break;
 135
 136     default:                    /* unknown */
 137       len = sprintf (str, "; s1 = %lu, s2 = %lu", e.re_lb.s1, e.re_lb.s2);
 138       str += len;
 139       break;
 140     }
 141   *str = '\n';
 142   *++str = '\0';
 143   return (strstart);
 144 }
 145
 146 void
 147 clnt_perror (CLIENT * rpch, const char *msg)
 148 {
 149   (void) fputs (clnt_sperror (rpch, msg), stderr);
 150 }
 151
 152
 153 struct rpc_errtab
 154 {
 155   enum clnt_stat status;
 156   const char *message;
 157 };
 158
 159 static const struct rpc_errtab rpc_errlist[] =
 160 {
 161   {RPC_SUCCESS,
 162    N_("RPC: Success")},
 163   {RPC_CANTENCODEARGS,
 164    N_("RPC: Can't encode arguments")},
 165   {RPC_CANTDECODERES,
 166    N_("RPC: Can't decode result")},
 167   {RPC_CANTSEND,
 168    N_("RPC: Unable to send")},
 169   {RPC_CANTRECV,
 170    N_("RPC: Unable to receive")},
 171   {RPC_TIMEDOUT,
 172    N_("RPC: Timed out")},
 173   {RPC_VERSMISMATCH,
 174    N_("RPC: Incompatible versions of RPC")},
 175   {RPC_AUTHERROR,
 176    N_("RPC: Authentication error")},
 177   {RPC_PROGUNAVAIL,
 178    N_("RPC: Program unavailable")},
 179   {RPC_PROGVERSMISMATCH,
 180    N_("RPC: Program/version mismatch")},
 181   {RPC_PROCUNAVAIL,
 182    N_("RPC: Procedure unavailable")},
 183   {RPC_CANTDECODEARGS,
 184    N_("RPC: Server can't decode arguments")},
 185   {RPC_SYSTEMERROR,
 186    N_("RPC: Remote system error")},
 187   {RPC_UNKNOWNHOST,
 188    N_("RPC: Unknown host")},
 189   {RPC_UNKNOWNPROTO,
 190    N_("RPC: Unknown protocol")},
 191   {RPC_PMAPFAILURE,
 192    N_("RPC: Port mapper failure")},
 193   {RPC_PROGNOTREGISTERED,
 194    N_("RPC: Program not registered")},
 195   {RPC_FAILED,
 196    N_("RPC: Failed (unspecified error)")}
 197 };
 198
 199
 200 /*
 201  * This interface for use by clntrpc
 202  */
 203 char *
 204 clnt_sperrno (enum clnt_stat stat)
 205 {
 206   size_t i;
 207
 208   for (i = 0; i < sizeof (rpc_errlist) / sizeof (struct rpc_errtab); i++)
 209     {
 210       if (rpc_errlist[i].status == stat)
 211         {
 212           return _(rpc_errlist[i].message);
 213         }
 214     }
 215   return _("RPC: (unknown error code)");
 216 }
 217
 218 void
 219 clnt_perrno (enum clnt_stat num)
 220 {
 221   (void) fputs (clnt_sperrno (num), stderr);
 222 }
 223
 224
 225 char *
 226 clnt_spcreateerror (const char *msg)
 227 {
 228   char buf[1024];
 229   char *str = _buf ();
 230   char *cp;
 231   int len;
 232
 233   if (str == NULL)
 234     return NULL;
 235   len = sprintf (str, "%s: ", msg);
 236   cp = str + len;
 237   cp = stpcpy (cp, clnt_sperrno (rpc_createerr.cf_stat));
 238   switch (rpc_createerr.cf_stat)
 239     {
 240     case RPC_PMAPFAILURE:
 241       cp = stpcpy (stpcpy (cp, " - "),
 242                    clnt_sperrno (rpc_createerr.cf_error.re_status));
 243       break;
 244
 245     case RPC_SYSTEMERROR:
 246       cp = stpcpy (stpcpy (cp, " - "),
 247                    __strerror_r (rpc_createerr.cf_error.re_errno,
 248                                  buf, sizeof buf));
 249       break;
 250     default:
 251       break;
 252     }
 253   *cp = '\n';
 254   *++cp = '\0';
 255   return str;
 256 }
 257
 258 void
 259 clnt_pcreateerror (const char *msg)
 260 {
 261   (void) fputs (clnt_spcreateerror (msg), stderr);
 262 }
 263
 264 struct auth_errtab
 265 {
 266   enum auth_stat status;
 267   const char *message;
 268 };
 269
 270 static const struct auth_errtab auth_errlist[] =
 271 {
 272   {AUTH_OK,
 273    N_("Authentication OK")},
 274   {AUTH_BADCRED,
 275    N_("Invalid client credential")},
 276   {AUTH_REJECTEDCRED,
 277    N_("Server rejected credential")},
 278   {AUTH_BADVERF,
 279    N_("Invalid client verifier")},
 280   {AUTH_REJECTEDVERF,
 281    N_("Server rejected verifier")},
 282   {AUTH_TOOWEAK,
 283    N_("Client credential too weak")},
 284   {AUTH_INVALIDRESP,
 285    N_("Invalid server verifier")},
 286   {AUTH_FAILED,
 287    N_("Failed (unspecified error)")},
 288 };
 289
 290 static char *
 291 internal_function
 292 auth_errmsg (enum auth_stat stat)
 293 {
 294   size_t i;
 295
 296   for (i = 0; i < sizeof (auth_errlist) / sizeof (struct auth_errtab); i++)
 297     {
 298       if (auth_errlist[i].status == stat)
 299         {
 300           return _(auth_errlist[i].message);
 301         }
 302     }
 303   return NULL;
 304 }