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   *++str = '\0';
 138   return (strstart);
 139 }
 140
 141 void
 142 clnt_perror (CLIENT * rpch, const char *msg)
 143 {
 144   (void) fputs (clnt_sperror (rpch, msg), stderr);
 145 }
 146
 147
 148 struct rpc_errtab
 149 {
 150   enum clnt_stat status;
 151   const char *message;
 152 };
 153
 154 static const struct rpc_errtab rpc_errlist[] =
 155 {
 156   {RPC_SUCCESS,
 157    N_("RPC: Success")},
 158   {RPC_CANTENCODEARGS,
 159    N_("RPC: Can't encode arguments")},
 160   {RPC_CANTDECODERES,
 161    N_("RPC: Can't decode result")},
 162   {RPC_CANTSEND,
 163    N_("RPC: Unable to send")},
 164   {RPC_CANTRECV,
 165    N_("RPC: Unable to receive")},
 166   {RPC_TIMEDOUT,
 167    N_("RPC: Timed out")},
 168   {RPC_VERSMISMATCH,
 169    N_("RPC: Incompatible versions of RPC")},
 170   {RPC_AUTHERROR,
 171    N_("RPC: Authentication error")},
 172   {RPC_PROGUNAVAIL,
 173    N_("RPC: Program unavailable")},
 174   {RPC_PROGVERSMISMATCH,
 175    N_("RPC: Program/version mismatch")},
 176   {RPC_PROCUNAVAIL,
 177    N_("RPC: Procedure unavailable")},
 178   {RPC_CANTDECODEARGS,
 179    N_("RPC: Server can't decode arguments")},
 180   {RPC_SYSTEMERROR,
 181    N_("RPC: Remote system error")},
 182   {RPC_UNKNOWNHOST,
 183    N_("RPC: Unknown host")},
 184   {RPC_UNKNOWNPROTO,
 185    N_("RPC: Unknown protocol")},
 186   {RPC_PMAPFAILURE,
 187    N_("RPC: Port mapper failure")},
 188   {RPC_PROGNOTREGISTERED,
 189    N_("RPC: Program not registered")},
 190   {RPC_FAILED,
 191    N_("RPC: Failed (unspecified error)")}
 192 };
 193
 194
 195 /*
 196  * This interface for use by clntrpc
 197  */
 198 char *
 199 clnt_sperrno (enum clnt_stat stat)
 200 {
 201   size_t i;
 202
 203   for (i = 0; i < sizeof (rpc_errlist) / sizeof (struct rpc_errtab); i++)
 204     {
 205       if (rpc_errlist[i].status == stat)
 206         {
 207           return _(rpc_errlist[i].message);
 208         }
 209     }
 210   return _("RPC: (unknown error code)");
 211 }
 212
 213 void
 214 clnt_perrno (enum clnt_stat num)
 215 {
 216   (void) fputs (clnt_sperrno (num), stderr);
 217 }
 218
 219
 220 char *
 221 clnt_spcreateerror (const char *msg)
 222 {
 223   char buf[1024];
 224   char *str = _buf ();
 225   char *cp;
 226   int len;
 227
 228   if (str == NULL)
 229     return NULL;
 230   len = sprintf (str, "%s: ", msg);
 231   cp = str + len;
 232   cp = stpcpy (cp, clnt_sperrno (rpc_createerr.cf_stat));
 233   switch (rpc_createerr.cf_stat)
 234     {
 235     case RPC_PMAPFAILURE:
 236       cp = stpcpy (cp, " - ");
 237       cp = stpcpy (cp, clnt_sperrno (rpc_createerr.cf_error.re_status));
 238       break;
 239
 240     case RPC_SYSTEMERROR:
 241       cp = stpcpy (str, " - ");
 242       if (rpc_createerr.cf_error.re_errno > 0
 243           && rpc_createerr.cf_error.re_errno < sys_nerr)
 244         cp = stpcpy (str, strerror_r (rpc_createerr.cf_error.re_errno,
 245                                       buf, sizeof buf));
 246       else
 247         {
 248           len = sprintf (cp, _("Error %d"), rpc_createerr.cf_error.re_errno);
 249           cp += len;
 250         }
 251       break;
 252     default:
 253       break;
 254     }
 255   *cp = '\n';
 256   *++cp = '\0';
 257   return str;
 258 }
 259
 260 void
 261 clnt_pcreateerror (const char *msg)
 262 {
 263   (void) fputs (clnt_spcreateerror (msg), stderr);
 264 }
 265
 266 struct auth_errtab
 267 {
 268   enum auth_stat status;
 269   const char *message;
 270 };
 271
 272 static const struct auth_errtab auth_errlist[] =
 273 {
 274   {AUTH_OK,
 275    N_("Authentication OK")},
 276   {AUTH_BADCRED,
 277    N_("Invalid client credential")},
 278   {AUTH_REJECTEDCRED,
 279    N_("Server rejected credential")},
 280   {AUTH_BADVERF,
 281    N_("Invalid client verifier")},
 282   {AUTH_REJECTEDVERF,
 283    N_("Server rejected verifier")},
 284   {AUTH_TOOWEAK,
 285    N_("Client credential too weak")},
 286   {AUTH_INVALIDRESP,
 287    N_("Invalid server verifier")},
 288   {AUTH_FAILED,
 289    N_("Failed (unspecified error)")},
 290 };
 291
 292 static char *
 293 internal_function
 294 auth_errmsg (enum auth_stat stat)
 295 {
 296   size_t i;
 297
 298   for (i = 0; i < sizeof (auth_errlist) / sizeof (struct auth_errtab); i++)
 299     {
 300       if (auth_errlist[i].status == stat)
 301         {
 302           return _(auth_errlist[i].message);
 303         }
 304     }
 305   return NULL;
 306 }