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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.
cbd3dceb 9 *
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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.
cbd3dceb 13 *
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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.
cbd3dceb 17 *
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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.
cbd3dceb 21 *
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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.
cbd3dceb 25 *
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26 * Sun Microsystems, Inc.
27 * 2550 Garcia Avenue
28 * Mountain View, California 94043
29 */
30#if !defined(lint) && defined(SCCSIDS)
31static 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>
e7fd8a39 41#include <string.h>
4360eafd 42#include <libintl.h>
f1e4a4a4 43#include <rpc/rpc.h>
28f540f4 44
50304ef0 45#ifdef USE_IN_LIBIO
51028f34 46# include <wchar.h>
50304ef0 47# include <libio/iolibio.h>
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48#endif
49
dfd2257a 50static char *auth_errmsg (enum auth_stat stat) internal_function;
28f540f4 51
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52#ifdef _RPC_THREAD_SAFE_
53/*
54 * Making buf a preprocessor macro requires renaming the local
55 * buf variable in a few functions. Overriding a global variable
56 * with a local variable of the same name is a bad idea, anyway.
57 */
1bc1a2b9 58#define buf RPC_THREAD_VARIABLE(clnt_perr_buf_s)
f1e4a4a4 59#else
28f540f4 60static char *buf;
f1e4a4a4 61#endif
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62
63static char *
e7fd8a39 64_buf (void)
28f540f4 65{
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66 if (buf == NULL)
67 buf = (char *) malloc (256);
68 return buf;
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69}
70
71/*
72 * Print reply error info
73 */
74char *
e7fd8a39 75clnt_sperror (CLIENT * rpch, const char *msg)
28f540f4 76{
f1e4a4a4 77 char chrbuf[1024];
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78 struct rpc_err e;
79 char *err;
80 char *str = _buf ();
81 char *strstart = str;
82 int len;
83
84 if (str == NULL)
85 return NULL;
86 CLNT_GETERR (rpch, &e);
87
88 len = sprintf (str, "%s: ", msg);
89 str += len;
90
91 str = stpcpy (str, clnt_sperrno (e.re_status));
92
93 switch (e.re_status)
94 {
95 case RPC_SUCCESS:
96 case RPC_CANTENCODEARGS:
97 case RPC_CANTDECODERES:
98 case RPC_TIMEDOUT:
99 case RPC_PROGUNAVAIL:
100 case RPC_PROCUNAVAIL:
101 case RPC_CANTDECODEARGS:
102 case RPC_SYSTEMERROR:
103 case RPC_UNKNOWNHOST:
104 case RPC_UNKNOWNPROTO:
105 case RPC_PMAPFAILURE:
106 case RPC_PROGNOTREGISTERED:
107 case RPC_FAILED:
108 break;
109
110 case RPC_CANTSEND:
111 case RPC_CANTRECV:
50304ef0 112 len = sprintf (str, "; errno = %s", __strerror_r (e.re_errno,
f1e4a4a4 113 chrbuf, sizeof chrbuf));
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114 str += len;
115 break;
116
117 case RPC_VERSMISMATCH:
118 len= sprintf (str, _("; low version = %lu, high version = %lu"),
119 e.re_vers.low, e.re_vers.high);
120 str += len;
121 break;
122
123 case RPC_AUTHERROR:
124 err = auth_errmsg (e.re_why);
125 str = stpcpy (str, _ ("; why = "));
126 if (err != NULL)
127 {
128 str = stpcpy (str, err);
129 }
130 else
131 {
132 len = sprintf (str, _("(unknown authentication error - %d)"),
133 (int) e.re_why);
134 str += len;
28f540f4 135 }
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136 break;
137
138 case RPC_PROGVERSMISMATCH:
139 len = sprintf (str, _("; low version = %lu, high version = %lu"),
140 e.re_vers.low, e.re_vers.high);
141 str += len;
142 break;
143
144 default: /* unknown */
145 len = sprintf (str, "; s1 = %lu, s2 = %lu", e.re_lb.s1, e.re_lb.s2);
146 str += len;
147 break;
148 }
149 *str = '\n';
af6f3906 150 *++str = '\0';
e7fd8a39 151 return (strstart);
28f540f4 152}
8784cc18 153libc_hidden_def (clnt_sperror)
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154
155void
e7fd8a39 156clnt_perror (CLIENT * rpch, const char *msg)
28f540f4 157{
0ecb606c 158 (void) __fxprintf (NULL, "%s", clnt_sperror (rpch, msg));
28f540f4 159}
8784cc18 160libc_hidden_def (clnt_perror)
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161
162
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163struct rpc_errtab
164{
165 enum clnt_stat status;
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166 unsigned int message_off;
167};
168
169static const char rpc_errstr[] =
170{
171#define RPC_SUCCESS_IDX 0
172 N_("RPC: Success")
173 "\0"
174#define RPC_CANTENCODEARGS_IDX (RPC_SUCCESS_IDX + sizeof "RPC: Success")
175 N_("RPC: Can't encode arguments")
176 "\0"
177#define RPC_CANTDECODERES_IDX (RPC_CANTENCODEARGS_IDX \
178 + sizeof "RPC: Can't encode arguments")
179 N_("RPC: Can't decode result")
180 "\0"
181#define RPC_CANTSEND_IDX (RPC_CANTDECODERES_IDX \
182 + sizeof "RPC: Can't decode result")
183 N_("RPC: Unable to send")
184 "\0"
185#define RPC_CANTRECV_IDX (RPC_CANTSEND_IDX \
186 + sizeof "RPC: Unable to send")
187 N_("RPC: Unable to receive")
188 "\0"
189#define RPC_TIMEDOUT_IDX (RPC_CANTRECV_IDX \
190 + sizeof "RPC: Unable to receive")
191 N_("RPC: Timed out")
192 "\0"
193#define RPC_VERSMISMATCH_IDX (RPC_TIMEDOUT_IDX \
194 + sizeof "RPC: Timed out")
195 N_("RPC: Incompatible versions of RPC")
196 "\0"
197#define RPC_AUTHERROR_IDX (RPC_VERSMISMATCH_IDX \
198 + sizeof "RPC: Incompatible versions of RPC")
199 N_("RPC: Authentication error")
200 "\0"
201#define RPC_PROGUNAVAIL_IDX (RPC_AUTHERROR_IDX \
202 + sizeof "RPC: Authentication error")
203 N_("RPC: Program unavailable")
204 "\0"
205#define RPC_PROGVERSMISMATCH_IDX (RPC_PROGUNAVAIL_IDX \
206 + sizeof "RPC: Program unavailable")
207 N_("RPC: Program/version mismatch")
208 "\0"
209#define RPC_PROCUNAVAIL_IDX (RPC_PROGVERSMISMATCH_IDX \
210 + sizeof "RPC: Program/version mismatch")
211 N_("RPC: Procedure unavailable")
212 "\0"
213#define RPC_CANTDECODEARGS_IDX (RPC_PROCUNAVAIL_IDX \
214 + sizeof "RPC: Procedure unavailable")
215 N_("RPC: Server can't decode arguments")
216 "\0"
217#define RPC_SYSTEMERROR_IDX (RPC_CANTDECODEARGS_IDX \
218 + sizeof "RPC: Server can't decode arguments")
219 N_("RPC: Remote system error")
220 "\0"
221#define RPC_UNKNOWNHOST_IDX (RPC_SYSTEMERROR_IDX \
222 + sizeof "RPC: Remote system error")
223 N_("RPC: Unknown host")
224 "\0"
225#define RPC_UNKNOWNPROTO_IDX (RPC_UNKNOWNHOST_IDX \
226 + sizeof "RPC: Unknown host")
227 N_("RPC: Unknown protocol")
228 "\0"
229#define RPC_PMAPFAILURE_IDX (RPC_UNKNOWNPROTO_IDX \
230 + sizeof "RPC: Unknown protocol")
231 N_("RPC: Port mapper failure")
232 "\0"
233#define RPC_PROGNOTREGISTERED_IDX (RPC_PMAPFAILURE_IDX \
234 + sizeof "RPC: Port mapper failure")
235 N_("RPC: Program not registered")
236 "\0"
237#define RPC_FAILED_IDX (RPC_PROGNOTREGISTERED_IDX \
238 + sizeof "RPC: Program not registered")
239 N_("RPC: Failed (unspecified error)")
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240};
241
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242static const struct rpc_errtab rpc_errlist[] =
243{
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244 { RPC_SUCCESS, RPC_SUCCESS_IDX },
245 { RPC_CANTENCODEARGS, RPC_CANTENCODEARGS_IDX },
246 { RPC_CANTDECODERES, RPC_CANTDECODERES_IDX },
247 { RPC_CANTSEND, RPC_CANTSEND_IDX },
248 { RPC_CANTRECV, RPC_CANTRECV_IDX },
249 { RPC_TIMEDOUT, RPC_TIMEDOUT_IDX },
250 { RPC_VERSMISMATCH, RPC_VERSMISMATCH_IDX },
251 { RPC_AUTHERROR, RPC_AUTHERROR_IDX },
252 { RPC_PROGUNAVAIL, RPC_PROGUNAVAIL_IDX },
0b9fbf00 253 { RPC_PROGVERSMISMATCH, RPC_PROGVERSMISMATCH_IDX },
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254 { RPC_PROCUNAVAIL, RPC_PROCUNAVAIL_IDX },
255 { RPC_CANTDECODEARGS, RPC_CANTDECODEARGS_IDX },
256 { RPC_SYSTEMERROR, RPC_SYSTEMERROR_IDX },
257 { RPC_UNKNOWNHOST, RPC_UNKNOWNHOST_IDX },
258 { RPC_UNKNOWNPROTO, RPC_UNKNOWNPROTO_IDX },
259 { RPC_PMAPFAILURE, RPC_PMAPFAILURE_IDX },
260 { RPC_PROGNOTREGISTERED, RPC_PROGNOTREGISTERED_IDX },
261 { RPC_FAILED, RPC_FAILED_IDX }
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262};
263
264
265/*
266 * This interface for use by clntrpc
267 */
268char *
e7fd8a39 269clnt_sperrno (enum clnt_stat stat)
28f540f4 270{
bfbc5754 271 size_t i;
28f540f4 272
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273 for (i = 0; i < sizeof (rpc_errlist) / sizeof (struct rpc_errtab); i++)
274 {
275 if (rpc_errlist[i].status == stat)
276 {
c4563d2d 277 return _(rpc_errstr + rpc_errlist[i].message_off);
28f540f4 278 }
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279 }
280 return _("RPC: (unknown error code)");
28f540f4 281}
8784cc18 282libc_hidden_def (clnt_sperrno)
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283
284void
e7fd8a39 285clnt_perrno (enum clnt_stat num)
28f540f4 286{
0ecb606c 287 (void) __fxprintf (NULL, "%s", clnt_sperrno (num));
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288}
289
290
291char *
e7fd8a39 292clnt_spcreateerror (const char *msg)
28f540f4 293{
f1e4a4a4 294 char chrbuf[1024];
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295 char *str = _buf ();
296 char *cp;
297 int len;
543cf8a9 298 struct rpc_createerr *ce;
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299
300 if (str == NULL)
301 return NULL;
543cf8a9 302 ce = &get_rpc_createerr ();
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303 len = sprintf (str, "%s: ", msg);
304 cp = str + len;
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305 cp = stpcpy (cp, clnt_sperrno (ce->cf_stat));
306 switch (ce->cf_stat)
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307 {
308 case RPC_PMAPFAILURE:
50304ef0 309 cp = stpcpy (stpcpy (cp, " - "),
543cf8a9 310 clnt_sperrno (ce->cf_error.re_status));
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311 break;
312
313 case RPC_SYSTEMERROR:
50304ef0 314 cp = stpcpy (stpcpy (cp, " - "),
543cf8a9 315 __strerror_r (ce->cf_error.re_errno,
f1e4a4a4 316 chrbuf, sizeof chrbuf));
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317 break;
318 default:
319 break;
320 }
321 *cp = '\n';
af6f3906 322 *++cp = '\0';
e7fd8a39 323 return str;
28f540f4 324}
8784cc18 325libc_hidden_def (clnt_spcreateerror)
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326
327void
e7fd8a39 328clnt_pcreateerror (const char *msg)
28f540f4 329{
0ecb606c 330 (void) __fxprintf (NULL, "%s", clnt_spcreateerror (msg));
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331}
332
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333struct auth_errtab
334{
335 enum auth_stat status;
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336 unsigned int message_off;
337};
338
339static const char auth_errstr[] =
340{
341#define AUTH_OK_IDX 0
342 N_("Authentication OK")
343 "\0"
344#define AUTH_BADCRED_IDX (AUTH_OK_IDX + sizeof "Authentication OK")
345 N_("Invalid client credential")
346 "\0"
347#define AUTH_REJECTEDCRED_IDX (AUTH_BADCRED_IDX \
348 + sizeof "Invalid client credential")
349 N_("Server rejected credential")
350 "\0"
351#define AUTH_BADVERF_IDX (AUTH_REJECTEDCRED_IDX \
352 + sizeof "Server rejected credential")
353 N_("Invalid client verifier")
354 "\0"
355#define AUTH_REJECTEDVERF_IDX (AUTH_BADVERF_IDX \
356 + sizeof "Invalid client verifier")
357 N_("Server rejected verifier")
358 "\0"
359#define AUTH_TOOWEAK_IDX (AUTH_REJECTEDVERF_IDX \
360 + sizeof "Server rejected verifier")
361 N_("Client credential too weak")
362 "\0"
363#define AUTH_INVALIDRESP_IDX (AUTH_TOOWEAK_IDX \
364 + sizeof "Client credential too weak")
365 N_("Invalid server verifier")
366 "\0"
367#define AUTH_FAILED_IDX (AUTH_INVALIDRESP_IDX \
368 + sizeof "Invalid server verifier")
369 N_("Failed (unspecified error)")
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370};
371
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372static const struct auth_errtab auth_errlist[] =
373{
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374 { AUTH_OK, AUTH_OK_IDX },
375 { AUTH_BADCRED, AUTH_BADCRED_IDX },
376 { AUTH_REJECTEDCRED, AUTH_REJECTEDCRED_IDX },
377 { AUTH_BADVERF, AUTH_BADVERF_IDX },
378 { AUTH_REJECTEDVERF, AUTH_REJECTEDVERF_IDX },
379 { AUTH_TOOWEAK, AUTH_TOOWEAK_IDX },
380 { AUTH_INVALIDRESP, AUTH_INVALIDRESP_IDX },
381 { AUTH_FAILED, AUTH_FAILED_IDX }
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382};
383
384static char *
dfd2257a 385internal_function
e7fd8a39 386auth_errmsg (enum auth_stat stat)
28f540f4 387{
e7fd8a39 388 size_t i;
28f540f4 389
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390 for (i = 0; i < sizeof (auth_errlist) / sizeof (struct auth_errtab); i++)
391 {
392 if (auth_errlist[i].status == stat)
393 {
c4563d2d 394 return _(auth_errstr + auth_errlist[i].message_off);
28f540f4 395 }
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396 }
397 return NULL;
28f540f4 398}
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399
400
c877418f 401libc_freeres_fn (free_mem)
c81459e7 402{
c877418f 403 /* Not libc_freeres_ptr, since buf is a macro. */
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404 free (buf);
405}