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
42 #include <rpc/types.h>
43 #include <rpc/auth.h>
44 #include <rpc/clnt.h>
45
46 static char *auth_errmsg();
47
48 extern char *strcpy();
49
50 static char *buf;
51
52 static char *
_buf()53 _buf()
54 {
55
56 if (buf == 0)
57 buf = (char *)malloc(256);
58 return (buf);
59 }
60
61 /*
62 * Print reply error info
63 */
64 char *
clnt_sperror(rpch,s)65 clnt_sperror(rpch, s)
66 CLIENT *rpch;
67 char *s;
68 {
69 struct rpc_err e;
70 void clnt_perrno();
71 char *err;
72 char *str = _buf();
73 char *strstart = str;
74
75 if (str == 0)
76 return (0);
77 CLNT_GETERR(rpch, &e);
78
79 (void) sprintf(str, "%s: ", s);
80 str += strlen(str);
81
82 (void) strcpy(str, clnt_sperrno(e.re_status));
83 str += strlen(str);
84
85 switch (e.re_status) {
86 case RPC_SUCCESS:
87 case RPC_CANTENCODEARGS:
88 case RPC_CANTDECODERES:
89 case RPC_TIMEDOUT:
90 case RPC_PROGUNAVAIL:
91 case RPC_PROCUNAVAIL:
92 case RPC_CANTDECODEARGS:
93 case RPC_SYSTEMERROR:
94 case RPC_UNKNOWNHOST:
95 case RPC_UNKNOWNPROTO:
96 case RPC_PMAPFAILURE:
97 case RPC_PROGNOTREGISTERED:
98 case RPC_FAILED:
99 break;
100
101 case RPC_CANTSEND:
102 case RPC_CANTRECV:
103 (void) sprintf(str, "; errno = %s",
104 strerror(e.re_errno));
105 str += strlen(str);
106 break;
107
108 case RPC_VERSMISMATCH:
109 (void) sprintf(str,
110 "; low version = %lu, high version = %lu",
111 e.re_vers.low, e.re_vers.high);
112 str += strlen(str);
113 break;
114
115 case RPC_AUTHERROR:
116 err = auth_errmsg(e.re_why);
117 (void) sprintf(str,"; why = ");
118 str += strlen(str);
119 if (err != NULL) {
120 (void) sprintf(str, "%s",err);
121 } else {
122 (void) sprintf(str,
123 "(unknown authentication error - %d)",
124 (int) e.re_why);
125 }
126 str += strlen(str);
127 break;
128
129 case RPC_PROGVERSMISMATCH:
130 (void) sprintf(str,
131 "; low version = %lu, high version = %lu",
132 e.re_vers.low, e.re_vers.high);
133 str += strlen(str);
134 break;
135
136 default: /* unknown */
137 (void) sprintf(str,
138 "; s1 = %lu, s2 = %lu",
139 e.re_lb.s1, e.re_lb.s2);
140 str += strlen(str);
141 break;
142 }
143 (void) sprintf(str, "\n");
144 return(strstart) ;
145 }
146
147 void
clnt_perror(rpch,s)148 clnt_perror(rpch, s)
149 CLIENT *rpch;
150 char *s;
151 {
152 (void) fprintf(stderr,"%s",clnt_sperror(rpch,s));
153 }
154
155
156 struct rpc_errtab {
157 enum clnt_stat status;
158 char *message;
159 };
160
161 static struct rpc_errtab rpc_errlist[] = {
162 { RPC_SUCCESS,
163 "RPC: Success" },
164 { RPC_CANTENCODEARGS,
165 "RPC: Can't encode arguments" },
166 { RPC_CANTDECODERES,
167 "RPC: Can't decode result" },
168 { RPC_CANTSEND,
169 "RPC: Unable to send" },
170 { RPC_CANTRECV,
171 "RPC: Unable to receive" },
172 { RPC_TIMEDOUT,
173 "RPC: Timed out" },
174 { RPC_VERSMISMATCH,
175 "RPC: Incompatible versions of RPC" },
176 { RPC_AUTHERROR,
177 "RPC: Authentication error" },
178 { RPC_PROGUNAVAIL,
179 "RPC: Program unavailable" },
180 { RPC_PROGVERSMISMATCH,
181 "RPC: Program/version mismatch" },
182 { RPC_PROCUNAVAIL,
183 "RPC: Procedure unavailable" },
184 { RPC_CANTDECODEARGS,
185 "RPC: Server can't decode arguments" },
186 { RPC_SYSTEMERROR,
187 "RPC: Remote system error" },
188 { RPC_UNKNOWNHOST,
189 "RPC: Unknown host" },
190 { RPC_UNKNOWNPROTO,
191 "RPC: Unknown protocol" },
192 { RPC_PMAPFAILURE,
193 "RPC: Port mapper failure" },
194 { RPC_PROGNOTREGISTERED,
195 "RPC: Program not registered"},
196 { RPC_FAILED,
197 "RPC: Failed (unspecified error)"}
198 };
199
200
201 /*
202 * This interface for use by clntrpc
203 */
204 char *
clnt_sperrno(stat)205 clnt_sperrno(stat)
206 enum clnt_stat stat;
207 {
208 int i;
209
210 for (i = 0; i < sizeof(rpc_errlist)/sizeof(struct rpc_errtab); i++) {
211 if (rpc_errlist[i].status == stat) {
212 return (rpc_errlist[i].message);
213 }
214 }
215 return ("RPC: (unknown error code)");
216 }
217
218 void
clnt_perrno(num)219 clnt_perrno(num)
220 enum clnt_stat num;
221 {
222 (void) fprintf(stderr,"%s",clnt_sperrno(num));
223 }
224
225
226 char *
clnt_spcreateerror(s)227 clnt_spcreateerror(s)
228 char *s;
229 {
230 extern int sys_nerr;
231 char *str = _buf();
232
233 if (str == 0)
234 return(0);
235 (void) sprintf(str, "%s: ", s);
236 (void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat));
237 switch (rpc_createerr.cf_stat) {
238 case RPC_PMAPFAILURE:
239 (void) strcat(str, " - ");
240 (void) strcat(str,
241 clnt_sperrno(rpc_createerr.cf_error.re_status));
242 break;
243
244 case RPC_SYSTEMERROR:
245 (void) strcat(str, " - ");
246 if (rpc_createerr.cf_error.re_errno > 0
247 && rpc_createerr.cf_error.re_errno < sys_nerr)
248 (void) strcat(str,
249 strerror(rpc_createerr.cf_error.re_errno));
250 else
251 (void) sprintf(&str[strlen(str)], "Error %d",
252 rpc_createerr.cf_error.re_errno);
253 break;
254 }
255 (void) strcat(str, "\n");
256 return (str);
257 }
258
259 void
clnt_pcreateerror(s)260 clnt_pcreateerror(s)
261 char *s;
262 {
263 (void) fprintf(stderr,"%s",clnt_spcreateerror(s));
264 }
265
266 struct auth_errtab {
267 enum auth_stat status;
268 char *message;
269 };
270
271 static struct auth_errtab auth_errlist[] = {
272 { AUTH_OK,
273 "Authentication OK" },
274 { AUTH_BADCRED,
275 "Invalid client credential" },
276 { AUTH_REJECTEDCRED,
277 "Server rejected credential" },
278 { AUTH_BADVERF,
279 "Invalid client verifier" },
280 { AUTH_REJECTEDVERF,
281 "Server rejected verifier" },
282 { AUTH_TOOWEAK,
283 "Client credential too weak" },
284 { AUTH_INVALIDRESP,
285 "Invalid server verifier" },
286 { AUTH_FAILED,
287 "Failed (unspecified error)" },
288 };
289
290 static char *
auth_errmsg(stat)291 auth_errmsg(stat)
292 enum auth_stat stat;
293 {
294 int i;
295
296 for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) {
297 if (auth_errlist[i].status == stat) {
298 return(auth_errlist[i].message);
299 }
300 }
301 return(NULL);
302 }
303