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28f540f4 | 1 | /* |
a7ab6ec8 | 2 | * clnt_perror.c |
ab09b221 | 3 | * |
3ce1f295 | 4 | * Copyright (c) 2010, 2011, Oracle America, Inc. |
cb636bb2 | 5 | * |
a7ab6ec8 UD |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions are | |
8 | * met: | |
cb636bb2 | 9 | * |
a7ab6ec8 UD |
10 | * * Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. | |
12 | * * Redistributions in binary form must reproduce the above | |
13 | * copyright notice, this list of conditions and the following | |
14 | * disclaimer in the documentation and/or other materials | |
15 | * provided with the distribution. | |
16 | * * Neither the name of the "Oracle America, Inc." nor the names of its | |
17 | * contributors may be used to endorse or promote products derived | |
18 | * from this software without specific prior written permission. | |
ab09b221 | 19 | * |
a7ab6ec8 UD |
20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
23 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
24 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
25 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE | |
27 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
29 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
30 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
28f540f4 RM |
32 | */ |
33 | #include <stdio.h> | |
e7fd8a39 | 34 | #include <string.h> |
4360eafd | 35 | #include <libintl.h> |
f1e4a4a4 | 36 | #include <rpc/rpc.h> |
3ce1f295 UD |
37 | #include <wchar.h> |
38 | #include <libio/iolibio.h> | |
50304ef0 | 39 | |
dfd2257a | 40 | static char *auth_errmsg (enum auth_stat stat) internal_function; |
28f540f4 | 41 | |
f1e4a4a4 UD |
42 | #ifdef _RPC_THREAD_SAFE_ |
43 | /* | |
44 | * Making buf a preprocessor macro requires renaming the local | |
45 | * buf variable in a few functions. Overriding a global variable | |
46 | * with a local variable of the same name is a bad idea, anyway. | |
47 | */ | |
1bc1a2b9 | 48 | #define buf RPC_THREAD_VARIABLE(clnt_perr_buf_s) |
f1e4a4a4 | 49 | #else |
28f540f4 | 50 | static char *buf; |
f1e4a4a4 | 51 | #endif |
28f540f4 | 52 | |
28f540f4 RM |
53 | /* |
54 | * Print reply error info | |
55 | */ | |
56 | char * | |
e7fd8a39 | 57 | clnt_sperror (CLIENT * rpch, const char *msg) |
28f540f4 | 58 | { |
e7fd8a39 | 59 | struct rpc_err e; |
e7fd8a39 UD |
60 | CLNT_GETERR (rpch, &e); |
61 | ||
aa693c68 | 62 | const char *errstr = clnt_sperrno (e.re_status); |
e7fd8a39 | 63 | |
aa693c68 UD |
64 | char chrbuf[1024]; |
65 | char *str; | |
66 | char *tmpstr; | |
67 | int res; | |
e7fd8a39 UD |
68 | switch (e.re_status) |
69 | { | |
70 | case RPC_SUCCESS: | |
71 | case RPC_CANTENCODEARGS: | |
72 | case RPC_CANTDECODERES: | |
73 | case RPC_TIMEDOUT: | |
74 | case RPC_PROGUNAVAIL: | |
75 | case RPC_PROCUNAVAIL: | |
76 | case RPC_CANTDECODEARGS: | |
77 | case RPC_SYSTEMERROR: | |
78 | case RPC_UNKNOWNHOST: | |
79 | case RPC_UNKNOWNPROTO: | |
80 | case RPC_PMAPFAILURE: | |
81 | case RPC_PROGNOTREGISTERED: | |
82 | case RPC_FAILED: | |
aa693c68 | 83 | res = __asprintf (&str, "%s: %s\n", msg, errstr); |
e7fd8a39 UD |
84 | break; |
85 | ||
86 | case RPC_CANTSEND: | |
87 | case RPC_CANTRECV: | |
aa693c68 UD |
88 | res = __asprintf (&str, "%s: %s; errno = %s\n", |
89 | msg, errstr, __strerror_r (e.re_errno, | |
90 | chrbuf, sizeof chrbuf)); | |
e7fd8a39 UD |
91 | break; |
92 | ||
93 | case RPC_VERSMISMATCH: | |
aa693c68 UD |
94 | res = __asprintf (&str, |
95 | _("%s: %s; low version = %lu, high version = %lu"), | |
96 | msg, errstr, e.re_vers.low, e.re_vers.high); | |
e7fd8a39 UD |
97 | break; |
98 | ||
99 | case RPC_AUTHERROR: | |
aa693c68 UD |
100 | tmpstr = auth_errmsg (e.re_why); |
101 | if (tmpstr != NULL) | |
102 | res = __asprintf (&str, _("%s: %s; why = %s\n"), msg, errstr, tmpstr); | |
e7fd8a39 | 103 | else |
aa693c68 UD |
104 | res = __asprintf (&str, _("\ |
105 | %s: %s; why = (unknown authentication error - %d)\n"), | |
106 | msg, errstr, (int) e.re_why); | |
e7fd8a39 UD |
107 | break; |
108 | ||
109 | case RPC_PROGVERSMISMATCH: | |
aa693c68 UD |
110 | res = __asprintf (&str, |
111 | _("%s: %s; low version = %lu, high version = %lu"), | |
112 | msg, errstr, e.re_vers.low, e.re_vers.high); | |
e7fd8a39 UD |
113 | break; |
114 | ||
115 | default: /* unknown */ | |
aa693c68 UD |
116 | res = __asprintf (&str, "%s: %s; s1 = %lu, s2 = %lu", |
117 | msg, errstr, e.re_lb.s1, e.re_lb.s2); | |
e7fd8a39 UD |
118 | break; |
119 | } | |
aa693c68 UD |
120 | |
121 | if (res < 0) | |
122 | return NULL; | |
123 | ||
124 | char *oldbuf = buf; | |
125 | buf = str; | |
126 | free (oldbuf); | |
127 | ||
128 | return str; | |
28f540f4 | 129 | } |
021db4be | 130 | libc_hidden_nolink_sunrpc (clnt_sperror, GLIBC_2_0) |
28f540f4 RM |
131 | |
132 | void | |
e7fd8a39 | 133 | clnt_perror (CLIENT * rpch, const char *msg) |
28f540f4 | 134 | { |
8a259a23 | 135 | (void) __fxprintf (NULL, "%s", clnt_sperror (rpch, msg)); |
28f540f4 | 136 | } |
7b57bfe5 | 137 | #ifdef EXPORT_RPC_SYMBOLS |
8784cc18 | 138 | libc_hidden_def (clnt_perror) |
7b57bfe5 | 139 | #else |
021db4be | 140 | libc_hidden_nolink_sunrpc (clnt_perror, GLIBC_2_0) |
7b57bfe5 | 141 | #endif |
28f540f4 RM |
142 | |
143 | ||
e7fd8a39 UD |
144 | struct rpc_errtab |
145 | { | |
146 | enum clnt_stat status; | |
c4563d2d UD |
147 | unsigned int message_off; |
148 | }; | |
149 | ||
150 | static const char rpc_errstr[] = | |
151 | { | |
152 | #define RPC_SUCCESS_IDX 0 | |
153 | N_("RPC: Success") | |
154 | "\0" | |
155 | #define RPC_CANTENCODEARGS_IDX (RPC_SUCCESS_IDX + sizeof "RPC: Success") | |
156 | N_("RPC: Can't encode arguments") | |
157 | "\0" | |
158 | #define RPC_CANTDECODERES_IDX (RPC_CANTENCODEARGS_IDX \ | |
159 | + sizeof "RPC: Can't encode arguments") | |
160 | N_("RPC: Can't decode result") | |
161 | "\0" | |
162 | #define RPC_CANTSEND_IDX (RPC_CANTDECODERES_IDX \ | |
163 | + sizeof "RPC: Can't decode result") | |
164 | N_("RPC: Unable to send") | |
165 | "\0" | |
166 | #define RPC_CANTRECV_IDX (RPC_CANTSEND_IDX \ | |
167 | + sizeof "RPC: Unable to send") | |
168 | N_("RPC: Unable to receive") | |
169 | "\0" | |
170 | #define RPC_TIMEDOUT_IDX (RPC_CANTRECV_IDX \ | |
171 | + sizeof "RPC: Unable to receive") | |
172 | N_("RPC: Timed out") | |
173 | "\0" | |
174 | #define RPC_VERSMISMATCH_IDX (RPC_TIMEDOUT_IDX \ | |
175 | + sizeof "RPC: Timed out") | |
176 | N_("RPC: Incompatible versions of RPC") | |
177 | "\0" | |
178 | #define RPC_AUTHERROR_IDX (RPC_VERSMISMATCH_IDX \ | |
179 | + sizeof "RPC: Incompatible versions of RPC") | |
180 | N_("RPC: Authentication error") | |
181 | "\0" | |
182 | #define RPC_PROGUNAVAIL_IDX (RPC_AUTHERROR_IDX \ | |
183 | + sizeof "RPC: Authentication error") | |
184 | N_("RPC: Program unavailable") | |
185 | "\0" | |
186 | #define RPC_PROGVERSMISMATCH_IDX (RPC_PROGUNAVAIL_IDX \ | |
187 | + sizeof "RPC: Program unavailable") | |
188 | N_("RPC: Program/version mismatch") | |
189 | "\0" | |
190 | #define RPC_PROCUNAVAIL_IDX (RPC_PROGVERSMISMATCH_IDX \ | |
191 | + sizeof "RPC: Program/version mismatch") | |
192 | N_("RPC: Procedure unavailable") | |
193 | "\0" | |
194 | #define RPC_CANTDECODEARGS_IDX (RPC_PROCUNAVAIL_IDX \ | |
195 | + sizeof "RPC: Procedure unavailable") | |
196 | N_("RPC: Server can't decode arguments") | |
197 | "\0" | |
198 | #define RPC_SYSTEMERROR_IDX (RPC_CANTDECODEARGS_IDX \ | |
199 | + sizeof "RPC: Server can't decode arguments") | |
200 | N_("RPC: Remote system error") | |
201 | "\0" | |
202 | #define RPC_UNKNOWNHOST_IDX (RPC_SYSTEMERROR_IDX \ | |
203 | + sizeof "RPC: Remote system error") | |
204 | N_("RPC: Unknown host") | |
205 | "\0" | |
206 | #define RPC_UNKNOWNPROTO_IDX (RPC_UNKNOWNHOST_IDX \ | |
207 | + sizeof "RPC: Unknown host") | |
208 | N_("RPC: Unknown protocol") | |
209 | "\0" | |
210 | #define RPC_PMAPFAILURE_IDX (RPC_UNKNOWNPROTO_IDX \ | |
211 | + sizeof "RPC: Unknown protocol") | |
212 | N_("RPC: Port mapper failure") | |
213 | "\0" | |
214 | #define RPC_PROGNOTREGISTERED_IDX (RPC_PMAPFAILURE_IDX \ | |
215 | + sizeof "RPC: Port mapper failure") | |
216 | N_("RPC: Program not registered") | |
217 | "\0" | |
218 | #define RPC_FAILED_IDX (RPC_PROGNOTREGISTERED_IDX \ | |
219 | + sizeof "RPC: Program not registered") | |
220 | N_("RPC: Failed (unspecified error)") | |
28f540f4 RM |
221 | }; |
222 | ||
e7fd8a39 UD |
223 | static const struct rpc_errtab rpc_errlist[] = |
224 | { | |
c4563d2d UD |
225 | { RPC_SUCCESS, RPC_SUCCESS_IDX }, |
226 | { RPC_CANTENCODEARGS, RPC_CANTENCODEARGS_IDX }, | |
227 | { RPC_CANTDECODERES, RPC_CANTDECODERES_IDX }, | |
228 | { RPC_CANTSEND, RPC_CANTSEND_IDX }, | |
229 | { RPC_CANTRECV, RPC_CANTRECV_IDX }, | |
230 | { RPC_TIMEDOUT, RPC_TIMEDOUT_IDX }, | |
231 | { RPC_VERSMISMATCH, RPC_VERSMISMATCH_IDX }, | |
232 | { RPC_AUTHERROR, RPC_AUTHERROR_IDX }, | |
233 | { RPC_PROGUNAVAIL, RPC_PROGUNAVAIL_IDX }, | |
0b9fbf00 | 234 | { RPC_PROGVERSMISMATCH, RPC_PROGVERSMISMATCH_IDX }, |
c4563d2d UD |
235 | { RPC_PROCUNAVAIL, RPC_PROCUNAVAIL_IDX }, |
236 | { RPC_CANTDECODEARGS, RPC_CANTDECODEARGS_IDX }, | |
237 | { RPC_SYSTEMERROR, RPC_SYSTEMERROR_IDX }, | |
238 | { RPC_UNKNOWNHOST, RPC_UNKNOWNHOST_IDX }, | |
239 | { RPC_UNKNOWNPROTO, RPC_UNKNOWNPROTO_IDX }, | |
240 | { RPC_PMAPFAILURE, RPC_PMAPFAILURE_IDX }, | |
241 | { RPC_PROGNOTREGISTERED, RPC_PROGNOTREGISTERED_IDX }, | |
242 | { RPC_FAILED, RPC_FAILED_IDX } | |
28f540f4 RM |
243 | }; |
244 | ||
245 | ||
246 | /* | |
247 | * This interface for use by clntrpc | |
248 | */ | |
249 | char * | |
e7fd8a39 | 250 | clnt_sperrno (enum clnt_stat stat) |
28f540f4 | 251 | { |
bfbc5754 | 252 | size_t i; |
28f540f4 | 253 | |
e7fd8a39 UD |
254 | for (i = 0; i < sizeof (rpc_errlist) / sizeof (struct rpc_errtab); i++) |
255 | { | |
256 | if (rpc_errlist[i].status == stat) | |
257 | { | |
c4563d2d | 258 | return _(rpc_errstr + rpc_errlist[i].message_off); |
28f540f4 | 259 | } |
e7fd8a39 UD |
260 | } |
261 | return _("RPC: (unknown error code)"); | |
28f540f4 | 262 | } |
8784cc18 | 263 | libc_hidden_def (clnt_sperrno) |
28f540f4 RM |
264 | |
265 | void | |
e7fd8a39 | 266 | clnt_perrno (enum clnt_stat num) |
28f540f4 | 267 | { |
8a259a23 | 268 | (void) __fxprintf (NULL, "%s", clnt_sperrno (num)); |
28f540f4 | 269 | } |
4df46dbd L |
270 | #ifdef EXPORT_RPC_SYMBOLS |
271 | libc_hidden_def (clnt_perrno) | |
272 | #else | |
021db4be | 273 | libc_hidden_nolink_sunrpc (clnt_perrno, GLIBC_2_0) |
4df46dbd | 274 | #endif |
28f540f4 RM |
275 | |
276 | char * | |
e7fd8a39 | 277 | clnt_spcreateerror (const char *msg) |
28f540f4 | 278 | { |
aa693c68 | 279 | struct rpc_createerr *ce = &get_rpc_createerr (); |
e7fd8a39 | 280 | |
aa693c68 UD |
281 | char chrbuf[1024]; |
282 | const char *connector = ""; | |
283 | const char *errstr = ""; | |
543cf8a9 | 284 | switch (ce->cf_stat) |
e7fd8a39 UD |
285 | { |
286 | case RPC_PMAPFAILURE: | |
aa693c68 UD |
287 | connector = " - "; |
288 | errstr = clnt_sperrno (ce->cf_error.re_status); | |
e7fd8a39 UD |
289 | break; |
290 | ||
291 | case RPC_SYSTEMERROR: | |
aa693c68 UD |
292 | connector = " - "; |
293 | errstr = __strerror_r (ce->cf_error.re_errno, chrbuf, sizeof chrbuf); | |
e7fd8a39 | 294 | break; |
aa693c68 | 295 | |
e7fd8a39 UD |
296 | default: |
297 | break; | |
298 | } | |
aa693c68 UD |
299 | |
300 | char *str; | |
301 | if (__asprintf (&str, "%s: %s%s%s\n", | |
302 | msg, clnt_sperrno (ce->cf_stat), connector, errstr) < 0) | |
303 | return NULL; | |
304 | ||
305 | char *oldbuf = buf; | |
306 | buf = str; | |
307 | free (oldbuf); | |
308 | ||
e7fd8a39 | 309 | return str; |
28f540f4 | 310 | } |
021db4be | 311 | libc_hidden_nolink_sunrpc (clnt_spcreateerror, GLIBC_2_0) |
28f540f4 RM |
312 | |
313 | void | |
e7fd8a39 | 314 | clnt_pcreateerror (const char *msg) |
28f540f4 | 315 | { |
8a259a23 | 316 | (void) __fxprintf (NULL, "%s", clnt_spcreateerror (msg)); |
28f540f4 | 317 | } |
7b57bfe5 UD |
318 | #ifdef EXPORT_RPC_SYMBOLS |
319 | libc_hidden_def (clnt_pcreateerror) | |
320 | #else | |
021db4be | 321 | libc_hidden_nolink_sunrpc (clnt_pcreateerror, GLIBC_2_0) |
7b57bfe5 | 322 | #endif |
28f540f4 | 323 | |
e7fd8a39 UD |
324 | struct auth_errtab |
325 | { | |
326 | enum auth_stat status; | |
c4563d2d UD |
327 | unsigned int message_off; |
328 | }; | |
329 | ||
330 | static const char auth_errstr[] = | |
331 | { | |
332 | #define AUTH_OK_IDX 0 | |
333 | N_("Authentication OK") | |
334 | "\0" | |
335 | #define AUTH_BADCRED_IDX (AUTH_OK_IDX + sizeof "Authentication OK") | |
336 | N_("Invalid client credential") | |
337 | "\0" | |
338 | #define AUTH_REJECTEDCRED_IDX (AUTH_BADCRED_IDX \ | |
339 | + sizeof "Invalid client credential") | |
340 | N_("Server rejected credential") | |
341 | "\0" | |
342 | #define AUTH_BADVERF_IDX (AUTH_REJECTEDCRED_IDX \ | |
343 | + sizeof "Server rejected credential") | |
344 | N_("Invalid client verifier") | |
345 | "\0" | |
346 | #define AUTH_REJECTEDVERF_IDX (AUTH_BADVERF_IDX \ | |
347 | + sizeof "Invalid client verifier") | |
348 | N_("Server rejected verifier") | |
349 | "\0" | |
350 | #define AUTH_TOOWEAK_IDX (AUTH_REJECTEDVERF_IDX \ | |
351 | + sizeof "Server rejected verifier") | |
352 | N_("Client credential too weak") | |
353 | "\0" | |
354 | #define AUTH_INVALIDRESP_IDX (AUTH_TOOWEAK_IDX \ | |
355 | + sizeof "Client credential too weak") | |
356 | N_("Invalid server verifier") | |
357 | "\0" | |
358 | #define AUTH_FAILED_IDX (AUTH_INVALIDRESP_IDX \ | |
359 | + sizeof "Invalid server verifier") | |
360 | N_("Failed (unspecified error)") | |
28f540f4 RM |
361 | }; |
362 | ||
e7fd8a39 UD |
363 | static const struct auth_errtab auth_errlist[] = |
364 | { | |
c4563d2d UD |
365 | { AUTH_OK, AUTH_OK_IDX }, |
366 | { AUTH_BADCRED, AUTH_BADCRED_IDX }, | |
367 | { AUTH_REJECTEDCRED, AUTH_REJECTEDCRED_IDX }, | |
368 | { AUTH_BADVERF, AUTH_BADVERF_IDX }, | |
369 | { AUTH_REJECTEDVERF, AUTH_REJECTEDVERF_IDX }, | |
370 | { AUTH_TOOWEAK, AUTH_TOOWEAK_IDX }, | |
371 | { AUTH_INVALIDRESP, AUTH_INVALIDRESP_IDX }, | |
372 | { AUTH_FAILED, AUTH_FAILED_IDX } | |
28f540f4 RM |
373 | }; |
374 | ||
375 | static char * | |
dfd2257a | 376 | internal_function |
e7fd8a39 | 377 | auth_errmsg (enum auth_stat stat) |
28f540f4 | 378 | { |
e7fd8a39 | 379 | size_t i; |
28f540f4 | 380 | |
e7fd8a39 UD |
381 | for (i = 0; i < sizeof (auth_errlist) / sizeof (struct auth_errtab); i++) |
382 | { | |
383 | if (auth_errlist[i].status == stat) | |
384 | { | |
c4563d2d | 385 | return _(auth_errstr + auth_errlist[i].message_off); |
28f540f4 | 386 | } |
e7fd8a39 UD |
387 | } |
388 | return NULL; | |
28f540f4 | 389 | } |
c81459e7 UD |
390 | |
391 | ||
c877418f | 392 | libc_freeres_fn (free_mem) |
c81459e7 | 393 | { |
c877418f | 394 | /* Not libc_freeres_ptr, since buf is a macro. */ |
c81459e7 UD |
395 | free (buf); |
396 | } |