clnt_perror.c revision 1.5 
1/*	$NetBSD: clnt_perror.c,v 1.5 1995/02/25 03:01:39 cgd Exp $	*/
2
3/*
4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5 * unrestricted use provided that this legend is included on all tape
6 * media and as a part of the software program in whole or part.  Users
7 * may copy or modify Sun RPC without charge, but are not authorized
8 * to license or distribute it to anyone else except as part of a product or
9 * program developed by the user.
10 *
11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14 *
15 * Sun RPC is provided with no support and without any obligation on the
16 * part of Sun Microsystems, Inc. to assist in its use, correction,
17 * modification or enhancement.
18 *
19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
21 * OR ANY PART THEREOF.
22 *
23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
24 * or profits or other special, indirect and consequential damages, even if
25 * Sun has been advised of the possibility of such damages.
26 *
27 * Sun Microsystems, Inc.
28 * 2550 Garcia Avenue
29 * Mountain View, California  94043
30 */
31
32#if defined(LIBC_SCCS) && !defined(lint)
33/*static char *sccsid = "from: @(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";*/
34/*static char *sccsid = "from: @(#)clnt_perror.c	2.1 88/07/29 4.0 RPCSRC";*/
35static char *rcsid = "$NetBSD: clnt_perror.c,v 1.5 1995/02/25 03:01:39 cgd Exp $";
36#endif
37
38/*
39 * clnt_perror.c
40 *
41 * Copyright (C) 1984, Sun Microsystems, Inc.
42 *
43 */
44#include <stdio.h>
45#include <stdlib.h>
46#include <string.h>
47#include <rpc/rpc.h>
48#include <rpc/types.h>
49#include <rpc/auth.h>
50#include <rpc/clnt.h>
51
52static char *auth_errmsg();
53
54static char *buf;
55
56static char *
57_buf()
58{
59
60	if (buf == 0)
61		buf = (char *)malloc(256);
62	return (buf);
63}
64
65/*
66 * Print reply error info
67 */
68char *
69clnt_sperror(rpch, s)
70	CLIENT *rpch;
71	char *s;
72{
73	struct rpc_err e;
74	void clnt_perrno();
75	char *err;
76	char *str = _buf();
77	char *strstart = str;
78
79	if (str == 0)
80		return (0);
81	CLNT_GETERR(rpch, &e);
82
83	(void) sprintf(str, "%s: ", s);
84	str += strlen(str);
85
86	(void) strcpy(str, clnt_sperrno(e.re_status));
87	str += strlen(str);
88
89	switch (e.re_status) {
90	case RPC_SUCCESS:
91	case RPC_CANTENCODEARGS:
92	case RPC_CANTDECODERES:
93	case RPC_TIMEDOUT:
94	case RPC_PROGUNAVAIL:
95	case RPC_PROCUNAVAIL:
96	case RPC_CANTDECODEARGS:
97	case RPC_SYSTEMERROR:
98	case RPC_UNKNOWNHOST:
99	case RPC_UNKNOWNPROTO:
100	case RPC_PMAPFAILURE:
101	case RPC_PROGNOTREGISTERED:
102	case RPC_FAILED:
103		break;
104
105	case RPC_CANTSEND:
106	case RPC_CANTRECV:
107		(void) sprintf(str, "; errno = %s",
108		    strerror(e.re_errno));
109		str += strlen(str);
110		break;
111
112	case RPC_VERSMISMATCH:
113		(void) sprintf(str,
114			"; low version = %lu, high version = %lu",
115			e.re_vers.low, e.re_vers.high);
116		str += strlen(str);
117		break;
118
119	case RPC_AUTHERROR:
120		err = auth_errmsg(e.re_why);
121		(void) sprintf(str,"; why = ");
122		str += strlen(str);
123		if (err != NULL) {
124			(void) sprintf(str, "%s",err);
125		} else {
126			(void) sprintf(str,
127				"(unknown authentication error - %d)",
128				(int) e.re_why);
129		}
130		str += strlen(str);
131		break;
132
133	case RPC_PROGVERSMISMATCH:
134		(void) sprintf(str,
135			"; low version = %lu, high version = %lu",
136			e.re_vers.low, e.re_vers.high);
137		str += strlen(str);
138		break;
139
140	default:	/* unknown */
141		(void) sprintf(str,
142			"; s1 = %lu, s2 = %lu",
143			e.re_lb.s1, e.re_lb.s2);
144		str += strlen(str);
145		break;
146	}
147	(void) sprintf(str, "\n");
148	return(strstart) ;
149}
150
151void
152clnt_perror(rpch, s)
153	CLIENT *rpch;
154	char *s;
155{
156	(void) fprintf(stderr,"%s\n",clnt_sperror(rpch,s));
157}
158
159
160struct rpc_errtab {
161	enum clnt_stat status;
162	char *message;
163};
164
165static const struct rpc_errtab  rpc_errlist[] = {
166	{ RPC_SUCCESS,
167		"RPC: Success" },
168	{ RPC_CANTENCODEARGS,
169		"RPC: Can't encode arguments" },
170	{ RPC_CANTDECODERES,
171		"RPC: Can't decode result" },
172	{ RPC_CANTSEND,
173		"RPC: Unable to send" },
174	{ RPC_CANTRECV,
175		"RPC: Unable to receive" },
176	{ RPC_TIMEDOUT,
177		"RPC: Timed out" },
178	{ RPC_VERSMISMATCH,
179		"RPC: Incompatible versions of RPC" },
180	{ RPC_AUTHERROR,
181		"RPC: Authentication error" },
182	{ RPC_PROGUNAVAIL,
183		"RPC: Program unavailable" },
184	{ RPC_PROGVERSMISMATCH,
185		"RPC: Program/version mismatch" },
186	{ RPC_PROCUNAVAIL,
187		"RPC: Procedure unavailable" },
188	{ RPC_CANTDECODEARGS,
189		"RPC: Server can't decode arguments" },
190	{ RPC_SYSTEMERROR,
191		"RPC: Remote system error" },
192	{ RPC_UNKNOWNHOST,
193		"RPC: Unknown host" },
194	{ RPC_UNKNOWNPROTO,
195		"RPC: Unknown protocol" },
196	{ RPC_PMAPFAILURE,
197		"RPC: Port mapper failure" },
198	{ RPC_PROGNOTREGISTERED,
199		"RPC: Program not registered"},
200	{ RPC_FAILED,
201		"RPC: Failed (unspecified error)"}
202};
203
204
205/*
206 * This interface for use by clntrpc
207 */
208char *
209clnt_sperrno(stat)
210	enum clnt_stat stat;
211{
212	int i;
213
214	for (i = 0; i < sizeof(rpc_errlist)/sizeof(struct rpc_errtab); i++) {
215		if (rpc_errlist[i].status == stat) {
216			return (rpc_errlist[i].message);
217		}
218	}
219	return ("RPC: (unknown error code)");
220}
221
222void
223clnt_perrno(num)
224	enum clnt_stat num;
225{
226	(void) fprintf(stderr,"%s\n",clnt_sperrno(num));
227}
228
229
230char *
231clnt_spcreateerror(s)
232	char *s;
233{
234	char *str = _buf();
235
236	if (str == 0)
237		return(0);
238	(void) sprintf(str, "%s: ", s);
239	(void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat));
240	switch (rpc_createerr.cf_stat) {
241	case RPC_PMAPFAILURE:
242		(void) strcat(str, " - ");
243		(void) strcat(str,
244		    clnt_sperrno(rpc_createerr.cf_error.re_status));
245		break;
246
247	case RPC_SYSTEMERROR:
248		(void) strcat(str, " - ");
249		(void) strcat(str, strerror(rpc_createerr.cf_error.re_errno));
250		break;
251	}
252	(void) strcat(str, "\n");
253	return (str);
254}
255
256void
257clnt_pcreateerror(s)
258	char *s;
259{
260	(void) fprintf(stderr,"%s\n",clnt_spcreateerror(s));
261}
262
263struct auth_errtab {
264	enum auth_stat status;
265	char *message;
266};
267
268static const struct auth_errtab auth_errlist[] = {
269	{ AUTH_OK,
270		"Authentication OK" },
271	{ AUTH_BADCRED,
272		"Invalid client credential" },
273	{ AUTH_REJECTEDCRED,
274		"Server rejected credential" },
275	{ AUTH_BADVERF,
276		"Invalid client verifier" },
277	{ AUTH_REJECTEDVERF,
278		"Server rejected verifier" },
279	{ AUTH_TOOWEAK,
280		"Client credential too weak" },
281	{ AUTH_INVALIDRESP,
282		"Invalid server verifier" },
283	{ AUTH_FAILED,
284		"Failed (unspecified error)" },
285};
286
287static char *
288auth_errmsg(stat)
289	enum auth_stat stat;
290{
291	int i;
292
293	for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) {
294		if (auth_errlist[i].status == stat) {
295			return(auth_errlist[i].message);
296		}
297	}
298	return(NULL);
299}
300