1 /*
2 * Copyright (c) 2009, Sun Microsystems, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * - Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * - Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation
11 * and/or other materials provided with the distribution.
12 * - Neither the name of Sun Microsystems, Inc. nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /*
30 #include <sys/cdefs.h>
31 */
32 /*
33 * clnt_perror.c
34 *
35 * Copyright (C) 1984, Sun Microsystems, Inc.
36 *
37 */
38 #include <wintirpc.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42
43 #include <rpc/rpc.h>
44 #include <rpc/types.h>
45 #include <rpc/auth.h>
46 #include <rpc/clnt.h>
47
48 static char *buf;
49
50 static char *_buf(void);
51 static char *auth_errmsg(enum auth_stat);
52 #define CLNT_PERROR_BUFLEN 256
53
54 static char *
_buf()55 _buf()
56 {
57
58 if (buf == 0)
59 buf = (char *)malloc(CLNT_PERROR_BUFLEN);
60 return (buf);
61 }
62
63 /*
64 * Print reply error info
65 */
66 char *
clnt_sperror(rpch,s)67 clnt_sperror(rpch, s)
68 CLIENT *rpch;
69 const char *s;
70 {
71 struct rpc_err e;
72 char *err;
73 char *str;
74 char *strstart;
75 size_t len, i;
76
77 if (rpch == NULL || s == NULL)
78 return(0);
79
80 str = _buf(); /* side effect: sets CLNT_PERROR_BUFLEN */
81 if (str == 0)
82 return (0);
83 len = CLNT_PERROR_BUFLEN;
84 strstart = str;
85 CLNT_GETERR(rpch, &e);
86
87 if (snprintf(str, len, "%s: ", s) > 0) {
88 i = strlen(str);
89 str += i;
90 len -= i;
91 }
92
93 (void)strncpy(str, clnt_sperrno(e.re_status), len - 1);
94 i = strlen(str);
95 str += i;
96 len -= i;
97
98 switch (e.re_status) {
99 case RPC_SUCCESS:
100 case RPC_CANTENCODEARGS:
101 case RPC_CANTDECODERES:
102 case RPC_TIMEDOUT:
103 case RPC_PROGUNAVAIL:
104 case RPC_PROCUNAVAIL:
105 case RPC_CANTDECODEARGS:
106 case RPC_SYSTEMERROR:
107 case RPC_UNKNOWNHOST:
108 case RPC_UNKNOWNPROTO:
109 case RPC_PMAPFAILURE:
110 case RPC_PROGNOTREGISTERED:
111 case RPC_FAILED:
112 break;
113
114 case RPC_CANTSEND:
115 case RPC_CANTRECV:
116 snprintf(str, len, "; errno = %s", strerror(e.re_errno));
117 i = strlen(str);
118 if (i > 0) {
119 str += i;
120 len -= i;
121 }
122 break;
123
124 case RPC_VERSMISMATCH:
125 snprintf(str, len, "; low version = %u, high version = %u",
126 e.re_vers.low, e.re_vers.high);
127 i = strlen(str);
128 if (i > 0) {
129 str += i;
130 len -= i;
131 }
132 break;
133
134 case RPC_AUTHERROR:
135 err = auth_errmsg(e.re_why);
136 snprintf(str, len, "; why = ");
137 i = strlen(str);
138 if (i > 0) {
139 str += i;
140 len -= i;
141 }
142 if (err != NULL) {
143 snprintf(str, len, "%s",err);
144 } else {
145 snprintf(str, len,
146 "(unknown authentication error - %d)",
147 (int) e.re_why);
148 }
149 i = strlen(str);
150 if (i > 0) {
151 str += i;
152 len -= i;
153 }
154 break;
155
156 case RPC_PROGVERSMISMATCH:
157 snprintf(str, len, "; low version = %u, high version = %u",
158 e.re_vers.low, e.re_vers.high);
159 i = strlen(str);
160 if (i > 0) {
161 str += i;
162 len -= i;
163 }
164 break;
165
166 default: /* unknown */
167 snprintf(str, len, "; s1 = %u, s2 = %u",
168 e.re_lb.s1, e.re_lb.s2);
169 i = strlen(str);
170 if (i > 0) {
171 str += i;
172 len -= i;
173 }
174 break;
175 }
176 strstart[CLNT_PERROR_BUFLEN-1] = '\0';
177 return(strstart) ;
178 }
179
180 void
clnt_perror(rpch,s)181 clnt_perror(rpch, s)
182 CLIENT *rpch;
183 const char *s;
184 {
185
186 if (rpch == NULL || s == NULL)
187 return;
188
189 (void) fprintf(stderr, "%s\n", clnt_sperror(rpch,s));
190 }
191
192 static const char *const rpc_errlist[] = {
193 "RPC: Success", /* 0 - RPC_SUCCESS */
194 "RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */
195 "RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */
196 "RPC: Unable to send", /* 3 - RPC_CANTSEND */
197 "RPC: Unable to receive", /* 4 - RPC_CANTRECV */
198 "RPC: Timed out", /* 5 - RPC_TIMEDOUT */
199 "RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */
200 "RPC: Authentication error", /* 7 - RPC_AUTHERROR */
201 "RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */
202 "RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */
203 "RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */
204 "RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */
205 "RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */
206 "RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */
207 "RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */
208 "RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */
209 "RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */
210 "RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */
211 };
212
213
214 /*
215 * This interface for use by clntrpc
216 */
217 char *
clnt_sperrno(stat)218 clnt_sperrno(stat)
219 enum clnt_stat stat;
220 {
221 unsigned int errnum = stat;
222
223 if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0])))
224 /* LINTED interface problem */
225 return (char *)rpc_errlist[errnum];
226
227 return ("RPC: (unknown error code)");
228 }
229
230 void
clnt_perrno(num)231 clnt_perrno(num)
232 enum clnt_stat num;
233 {
234 (void) fprintf(stderr, "%s\n", clnt_sperrno(num));
235 }
236
237
238 char *
clnt_spcreateerror(s)239 clnt_spcreateerror(s)
240 const char *s;
241 {
242 char *str, *err;
243 size_t len, i;
244
245 if (s == NULL)
246 return(0);
247
248 str = _buf(); /* side effect: sets CLNT_PERROR_BUFLEN */
249 if (str == 0)
250 return(0);
251 len = CLNT_PERROR_BUFLEN;
252 snprintf(str, len, "%s: ", s);
253 i = strlen(str);
254 if (i > 0)
255 len -= i;
256 (void)strncat(str, clnt_sperrno(rpc_createerr.cf_stat), len - 1);
257 switch (rpc_createerr.cf_stat) {
258 case RPC_PMAPFAILURE:
259 (void) strncat(str, " - ", len - 1);
260 err = clnt_sperrno(rpc_createerr.cf_error.re_status);
261 if (err)
262 (void) strncat(str, err+5, len-5);
263 switch(rpc_createerr.cf_error.re_status) {
264 case RPC_CANTSEND:
265 case RPC_CANTRECV:
266 i = strlen(str);
267 len -= i;
268 snprintf(str+i, len, ": errno %d (%s)",
269 rpc_createerr.cf_error.re_errno,
270 strerror(rpc_createerr.cf_error.re_errno));
271 break;
272 default:
273 break;
274 }
275 break;
276
277 case RPC_SYSTEMERROR:
278 (void)strncat(str, " - ", len - 1);
279 (void)strncat(str, strerror(rpc_createerr.cf_error.re_errno),
280 len - 4);
281 break;
282
283 case RPC_CANTSEND:
284 case RPC_CANTDECODERES:
285 case RPC_CANTENCODEARGS:
286 case RPC_SUCCESS:
287 case RPC_UNKNOWNPROTO:
288 case RPC_PROGNOTREGISTERED:
289 case RPC_FAILED:
290 case RPC_UNKNOWNHOST:
291 case RPC_CANTDECODEARGS:
292 case RPC_PROCUNAVAIL:
293 case RPC_PROGVERSMISMATCH:
294 case RPC_PROGUNAVAIL:
295 case RPC_AUTHERROR:
296 case RPC_VERSMISMATCH:
297 case RPC_TIMEDOUT:
298 case RPC_CANTRECV:
299 default:
300 break;
301 }
302 str[CLNT_PERROR_BUFLEN-1] = '\0';
303 return (str);
304 }
305
306 void
clnt_pcreateerror(s)307 clnt_pcreateerror(s)
308 const char *s;
309 {
310
311 if (s == NULL)
312 return;
313
314 (void) fprintf(stderr, "%s\n", clnt_spcreateerror(s));
315 }
316
317 static const char *const auth_errlist[] = {
318 "Authentication OK", /* 0 - AUTH_OK */
319 "Invalid client credential", /* 1 - AUTH_BADCRED */
320 "Server rejected credential", /* 2 - AUTH_REJECTEDCRED */
321 "Invalid client verifier", /* 3 - AUTH_BADVERF */
322 "Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */
323 "Client credential too weak", /* 5 - AUTH_TOOWEAK */
324 "Invalid server verifier", /* 6 - AUTH_INVALIDRESP */
325 "Failed (unspecified error)" /* 7 - AUTH_FAILED */
326 };
327
328 static char *
auth_errmsg(stat)329 auth_errmsg(stat)
330 enum auth_stat stat;
331 {
332 unsigned int errnum = stat;
333
334 if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0])))
335 /* LINTED interface problem */
336 return (char *)auth_errlist[errnum];
337
338 return(NULL);
339 }
340