1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char *rcsid = "$OpenBSD: clnt_perror.c,v 1.9 1998/11/22 07:40:12 deraadt Exp $";
#endif /* LIBC_SCCS and not lint */
/*
* clnt_perror.c
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rpc/rpc.h>
#include <rpc/types.h>
#include <rpc/auth.h>
#include <rpc/clnt.h>
static char *auth_errmsg();
#define CLNT_PERROR_BUFLEN 256
static char *buf;
static char *
_buf()
{
if (buf == 0)
buf = (char *)malloc(CLNT_PERROR_BUFLEN);
return (buf);
}
/*
* Print reply error info
*/
char *
clnt_sperror(rpch, s)
CLIENT *rpch;
char *s;
{
struct rpc_err e;
char *err;
char *str = _buf();
char *strstart = str;
int ret;
if (str == 0)
return (0);
CLNT_GETERR(rpch, &e);
ret = snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s", s,
clnt_sperrno(e.re_status));
str += ret;
if (str > strstart + CLNT_PERROR_BUFLEN)
goto truncated;
switch (e.re_status) {
case RPC_SUCCESS:
case RPC_CANTENCODEARGS:
case RPC_CANTDECODERES:
case RPC_TIMEDOUT:
case RPC_PROGUNAVAIL:
case RPC_PROCUNAVAIL:
case RPC_CANTDECODEARGS:
case RPC_SYSTEMERROR:
case RPC_UNKNOWNHOST:
case RPC_UNKNOWNPROTO:
case RPC_PMAPFAILURE:
case RPC_PROGNOTREGISTERED:
case RPC_FAILED:
break;
case RPC_CANTSEND:
case RPC_CANTRECV:
ret = snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart),
"; errno = %s\n", strerror(e.re_errno));
break;
case RPC_VERSMISMATCH:
ret = snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart),
"; low version = %u, high version = %u\n",
e.re_vers.low, e.re_vers.high);
break;
case RPC_AUTHERROR:
err = auth_errmsg(e.re_why);
ret = snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart),
"; why = ");
str += ret;
if (str > strstart + CLNT_PERROR_BUFLEN)
goto truncated;
if (err != NULL) {
ret = snprintf(str, CLNT_PERROR_BUFLEN -
(str - strstart), "%s\n", err);
} else {
ret = snprintf(str, CLNT_PERROR_BUFLEN -
(str - strstart),
"(unknown authentication error - %d)\n",
(int) e.re_why);
}
break;
case RPC_PROGVERSMISMATCH:
ret = snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart),
"; low version = %u, high version = %u\n",
e.re_vers.low, e.re_vers.high);
break;
default: /* unknown */
ret = snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart),
"; s1 = %u, s2 = %u\n", e.re_lb.s1, e.re_lb.s2);
break;
}
strstart[CLNT_PERROR_BUFLEN-2] = '\n';
strstart[CLNT_PERROR_BUFLEN-1] = '\0';
return (strstart);
truncated:
snprintf(strstart + CLNT_PERROR_BUFLEN - 5, 5, "...\n");
return (strstart);
}
void
clnt_perror(rpch, s)
CLIENT *rpch;
char *s;
{
(void) fprintf(stderr, "%s\n", clnt_sperror(rpch, s));
}
static const char *const rpc_errlist[] = {
"RPC: Success", /* 0 - RPC_SUCCESS */
"RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */
"RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */
"RPC: Unable to send", /* 3 - RPC_CANTSEND */
"RPC: Unable to receive", /* 4 - RPC_CANTRECV */
"RPC: Timed out", /* 5 - RPC_TIMEDOUT */
"RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */
"RPC: Authentication error", /* 7 - RPC_AUTHERROR */
"RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */
"RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */
"RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */
"RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */
"RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */
"RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */
"RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */
"RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */
"RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */
"RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */
};
/*
* This interface for use by clntrpc
*/
char *
clnt_sperrno(stat)
enum clnt_stat stat;
{
unsigned int errnum = stat;
if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0])))
return (char *)rpc_errlist[errnum];
return ("RPC: (unknown error code)");
}
void
clnt_perrno(num)
enum clnt_stat num;
{
(void) fprintf(stderr, "%s\n", clnt_sperrno(num));
}
char *
clnt_spcreateerror(s)
char *s;
{
char *str = _buf();
if (str == 0)
return (0);
switch (rpc_createerr.cf_stat) {
case RPC_PMAPFAILURE:
(void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s - %s\n", s,
clnt_sperrno(rpc_createerr.cf_stat),
clnt_sperrno(rpc_createerr.cf_error.re_status));
break;
case RPC_SYSTEMERROR:
(void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s - %s\n", s,
clnt_sperrno(rpc_createerr.cf_stat),
strerror(rpc_createerr.cf_error.re_errno));
break;
default:
(void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s\n", s,
clnt_sperrno(rpc_createerr.cf_stat));
break;
}
str[CLNT_PERROR_BUFLEN-2] = '\n';
str[CLNT_PERROR_BUFLEN-1] = '\0';
return (str);
}
void
clnt_pcreateerror(s)
char *s;
{
(void) fprintf(stderr, "%s", clnt_spcreateerror(s));
}
static const char *const auth_errlist[] = {
"Authentication OK", /* 0 - AUTH_OK */
"Invalid client credential", /* 1 - AUTH_BADCRED */
"Server rejected credential", /* 2 - AUTH_REJECTEDCRED */
"Invalid client verifier", /* 3 - AUTH_BADVERF */
"Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */
"Client credential too weak", /* 5 - AUTH_TOOWEAK */
"Invalid server verifier", /* 6 - AUTH_INVALIDRESP */
"Failed (unspecified error)" /* 7 - AUTH_FAILED */
};
static char *
auth_errmsg(stat)
enum auth_stat stat;
{
unsigned int errnum = stat;
if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0])))
return (char *)auth_errlist[errnum];
return (NULL);
}
|
