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 static char *auth_errmsg (enum auth_stat stat) internal_function;
  47
  48 static char *buf;
  49
  50 static char *
  51 _buf (void)
  52 {
  53   if (buf == NULL)
  54     buf = (char *) malloc (256);
  55   return buf;
  56 }
  57
  58 /*
  59  * Print reply error info
  60  */
  61 char *
  62 clnt_sperror (CLIENT * rpch, const char *msg)
  63 {
  64   char buf[1024];
  65   struct rpc_err e;
  66   char *err;
  67   char *str = _buf ();
  68   char *strstart = str;
  69   int len;
  70
  71   if (str == NULL)
  72     return NULL;
  73   CLNT_GETERR (rpch, &e);
  74
  75   len = sprintf (str, "%s: ", msg);
  76   str += len;
  77
  78   str = stpcpy (str, clnt_sperrno (e.re_status));
  79
  80   switch (e.re_status)
  81     {
  82     case RPC_SUCCESS:
  83     case RPC_CANTENCODEARGS:
  84     case RPC_CANTDECODERES:
  85     case RPC_TIMEDOUT:
  86     case RPC_PROGUNAVAIL:
  87     case RPC_PROCUNAVAIL:
  88     case RPC_CANTDECODEARGS:
  89     case RPC_SYSTEMERROR:
  90     case RPC_UNKNOWNHOST:
  91     case RPC_UNKNOWNPROTO:
  92     case RPC_PMAPFAILURE:
  93     case RPC_PROGNOTREGISTERED:
  94     case RPC_FAILED:
  95       break;
  96
  97     case RPC_CANTSEND:
  98     case RPC_CANTRECV:
  99       len = sprintf (str, "; errno = %s", strerror_r (e.re_errno,
 100                                                       buf, sizeof buf));
 101       str += len;
 102       break;
 103
 104     case RPC_VERSMISMATCH:
 105       len= sprintf (str, _("; low version = %lu, high version = %lu"),
 106                     e.re_vers.low, e.re_vers.high);
 107       str += len;
 108       break;
 109
 110     case RPC_AUTHERROR:
 111       err = auth_errmsg (e.re_why);
 112       str = stpcpy (str, _ ("; why = "));
 113       if (err != NULL)
 114         {
 115           str = stpcpy (str, err);
 116         }
 117       else
 118         {
 119           len = sprintf (str, _("(unknown authentication error - %d)"),
 120                          (int) e.re_why);
 121           str += len;
 122         }
 123       break;
 124
 125     case RPC_PROGVERSMISMATCH:
 126       len = sprintf (str, _("; low version = %lu, high version = %lu"),
 127                      e.re_vers.low, e.re_vers.high);
 128       str += len;
 129       break;
 130
 131     default:                    /* unknown */
 132       len = sprintf (str, "; s1 = %lu, s2 = %lu", e.re_lb.s1, e.re_lb.s2);
 133       str += len;
 134       break;
 135     }
 136   *str = '\n';
 137   return (strstart);
 138 }
 139
 140 void
 141 clnt_perror (CLIENT * rpch, const char *msg)
 142 {
 143   (void) fputs (clnt_sperror (rpch, msg), stderr);
 144 }
 145
 146
 147 struct rpc_errtab
 148 {
 149   enum clnt_stat status;
 150   const char *message;
 151 };
 152
 153 static const struct rpc_errtab rpc_errlist[] =
 154 {
 155   {RPC_SUCCESS,
 156    N_("RPC: Success")},
 157   {RPC_CANTENCODEARGS,
 158    N_("RPC: Can't encode arguments")},
 159   {RPC_CANTDECODERES,
 160    N_("RPC: Can't decode result")},
 161   {RPC_CANTSEND,
 162    N_("RPC: Unable to send")},
 163   {RPC_CANTRECV,
 164    N_("RPC: Unable to receive")},
 165   {RPC_TIMEDOUT,
 166    N_("RPC: Timed out")},
 167   {RPC_VERSMISMATCH,
 168    N_("RPC: Incompatible versions of RPC")},
 169   {RPC_AUTHERROR,
 170    N_("RPC: Authentication error")},
 171   {RPC_PROGUNAVAIL,
 172    N_("RPC: Program unavailable")},
 173   {RPC_PROGVERSMISMATCH,
 174    N_("RPC: Program/version mismatch")},
 175   {RPC_PROCUNAVAIL,
 176    N_("RPC: Procedure unavailable")},
 177   {RPC_CANTDECODEARGS,
 178    N_("RPC: Server can't decode arguments")},
 179   {RPC_SYSTEMERROR,
 180    N_("RPC: Remote system error")},
 181   {RPC_UNKNOWNHOST,
 182    N_("RPC: Unknown host")},
 183   {RPC_UNKNOWNPROTO,
 184    N_("RPC: Unknown protocol")},
 185   {RPC_PMAPFAILURE,
 186    N_("RPC: Port mapper failure")},
 187   {RPC_PROGNOTREGISTERED,
 188    N_("RPC: Program not registered")},
 189   {RPC_FAILED,
 190    N_("RPC: Failed (unspecified error)")}
 191 };
 192
 193
 194 /*
 195  * This interface for use by clntrpc
 196  */
 197 char *
 198 clnt_sperrno (enum clnt_stat stat)
 199 {
 200   size_t i;
 201
 202   for (i = 0; i < sizeof (rpc_errlist) / sizeof (struct rpc_errtab); i++)
 203     {
 204       if (rpc_errlist[i].status == stat)
 205         {
 206           return _(rpc_errlist[i].message);
 207         }
 208     }
 209   return _("RPC: (unknown error code)");
 210 }
 211
 212 void
 213 clnt_perrno (enum clnt_stat num)
 214 {
 215   (void) fputs (clnt_sperrno (num), stderr);
 216 }
 217
 218
 219 char *
 220 clnt_spcreateerror (const char *msg)
 221 {
 222   char buf[1024];
 223   char *str = _buf ();
 224   char *cp;
 225   int len;
 226
 227   if (str == NULL)
 228     return NULL;
 229   len = sprintf (str, "%s: ", msg);
 230   cp = str + len;
 231   cp = stpcpy (cp, clnt_sperrno (rpc_createerr.cf_stat));
 232   switch (rpc_createerr.cf_stat)
 233     {
 234     case RPC_PMAPFAILURE:
 235       cp = stpcpy (cp, " - ");
 236       cp = stpcpy (cp, clnt_sperrno (rpc_createerr.cf_error.re_status));
 237       break;
 238
 239     case RPC_SYSTEMERROR:
 240       cp = stpcpy (str, " - ");
 241       if (rpc_createerr.cf_error.re_errno > 0
 242           && rpc_createerr.cf_error.re_errno < sys_nerr)
 243         cp = stpcpy (str, strerror_r (rpc_createerr.cf_error.re_errno,
 244                                       buf, sizeof buf));
 245       else
 246         {
 247           len = sprintf (cp, _("Error %d"), rpc_createerr.cf_error.re_errno);
 248           cp += len;
 249         }
 250       break;
 251     default:
 252       break;
 253     }
 254   *cp = '\n';
 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 }